| /* |
| * ffmpeg main |
| * Copyright (c) 2000-2003 Fabrice Bellard |
| * |
| * This file is part of FFmpeg. |
| * |
| * FFmpeg is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * FFmpeg is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with FFmpeg; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #include "config.h" |
| #include <ctype.h> |
| #include <string.h> |
| #include <math.h> |
| #include <stdlib.h> |
| #include <errno.h> |
| #include <signal.h> |
| #include <limits.h> |
| #include <unistd.h> |
| #include "libavformat/avformat.h" |
| #include "libavdevice/avdevice.h" |
| #include "libswscale/swscale.h" |
| #include "libavutil/opt.h" |
| #include "libavcodec/audioconvert.h" |
| #include "libavutil/audioconvert.h" |
| #include "libavutil/parseutils.h" |
| #include "libavutil/samplefmt.h" |
| #include "libavutil/colorspace.h" |
| #include "libavutil/fifo.h" |
| #include "libavutil/intreadwrite.h" |
| #include "libavutil/dict.h" |
| #include "libavutil/pixdesc.h" |
| #include "libavutil/avstring.h" |
| #include "libavutil/libm.h" |
| #include "libavformat/os_support.h" |
| |
| #include "libavformat/ffm.h" // not public API |
| |
| #if CONFIG_AVFILTER |
| # include "libavfilter/avcodec.h" |
| # include "libavfilter/avfilter.h" |
| # include "libavfilter/avfiltergraph.h" |
| # include "libavfilter/vsink_buffer.h" |
| # include "libavfilter/vsrc_buffer.h" |
| #endif |
| |
| #if HAVE_SYS_RESOURCE_H |
| #include <sys/types.h> |
| #include <sys/time.h> |
| #include <sys/resource.h> |
| #elif HAVE_GETPROCESSTIMES |
| #include <windows.h> |
| #endif |
| #if HAVE_GETPROCESSMEMORYINFO |
| #include <windows.h> |
| #include <psapi.h> |
| #endif |
| |
| #if HAVE_SYS_SELECT_H |
| #include <sys/select.h> |
| #endif |
| |
| #if HAVE_TERMIOS_H |
| #include <fcntl.h> |
| #include <sys/ioctl.h> |
| #include <sys/time.h> |
| #include <termios.h> |
| #elif HAVE_KBHIT |
| #include <conio.h> |
| #endif |
| #include <time.h> |
| |
| #include "cmdutils.h" |
| |
| #include "libavutil/avassert.h" |
| |
| const char program_name[] = "ffmpeg"; |
| const int program_birth_year = 2000; |
| |
| /* select an input stream for an output stream */ |
| typedef struct AVStreamMap { |
| int file_index; |
| int stream_index; |
| int sync_file_index; |
| int sync_stream_index; |
| } AVStreamMap; |
| |
| /** |
| * select an input file for an output file |
| */ |
| typedef struct AVMetaDataMap { |
| int file; //< file index |
| char type; //< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram |
| int index; //< stream/chapter/program number |
| } AVMetaDataMap; |
| |
| typedef struct AVChapterMap { |
| int in_file; |
| int out_file; |
| } AVChapterMap; |
| |
| static const OptionDef options[]; |
| |
| #define MAX_FILES 100 |
| #define MAX_STREAMS 1024 /* arbitrary sanity check value */ |
| |
| static const char *last_asked_format = NULL; |
| static int64_t input_files_ts_offset[MAX_FILES]; |
| static double *input_files_ts_scale[MAX_FILES] = {NULL}; |
| static AVCodec **input_codecs = NULL; |
| static int nb_input_codecs = 0; |
| static int nb_input_files_ts_scale[MAX_FILES] = {0}; |
| |
| static AVFormatContext *output_files[MAX_FILES]; |
| static int nb_output_files = 0; |
| |
| static AVStreamMap *stream_maps = NULL; |
| static int nb_stream_maps; |
| |
| /* first item specifies output metadata, second is input */ |
| static AVMetaDataMap (*meta_data_maps)[2] = NULL; |
| static int nb_meta_data_maps; |
| static int metadata_global_autocopy = 1; |
| static int metadata_streams_autocopy = 1; |
| static int metadata_chapters_autocopy = 1; |
| |
| static AVChapterMap *chapter_maps = NULL; |
| static int nb_chapter_maps; |
| |
| /* indexed by output file stream index */ |
| static int *streamid_map = NULL; |
| static int nb_streamid_map = 0; |
| |
| static int frame_width = 0; |
| static int frame_height = 0; |
| static float frame_aspect_ratio = 0; |
| static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE; |
| static int frame_bits_per_raw_sample = 0; |
| static enum AVSampleFormat audio_sample_fmt = AV_SAMPLE_FMT_NONE; |
| static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX}; |
| static AVRational frame_rate; |
| static float video_qscale = 0; |
| static uint16_t *intra_matrix = NULL; |
| static uint16_t *inter_matrix = NULL; |
| static const char *video_rc_override_string=NULL; |
| static int video_disable = 0; |
| static int video_discard = 0; |
| static char *video_codec_name = NULL; |
| static unsigned int video_codec_tag = 0; |
| static char *video_language = NULL; |
| static int same_quality = 0; |
| static int do_deinterlace = 0; |
| static int top_field_first = -1; |
| static int me_threshold = 0; |
| static int intra_dc_precision = 8; |
| static int loop_input = 0; |
| static int loop_output = AVFMT_NOOUTPUTLOOP; |
| static int qp_hist = 0; |
| #if CONFIG_AVFILTER |
| static char *vfilters = NULL; |
| #endif |
| |
| static int intra_only = 0; |
| static int audio_sample_rate = 0; |
| static int64_t channel_layout = 0; |
| #define QSCALE_NONE -99999 |
| static float audio_qscale = QSCALE_NONE; |
| static int audio_disable = 0; |
| static int audio_channels = 0; |
| static char *audio_codec_name = NULL; |
| static unsigned int audio_codec_tag = 0; |
| static char *audio_language = NULL; |
| |
| static int subtitle_disable = 0; |
| static char *subtitle_codec_name = NULL; |
| static char *subtitle_language = NULL; |
| static unsigned int subtitle_codec_tag = 0; |
| |
| static int data_disable = 0; |
| static char *data_codec_name = NULL; |
| static unsigned int data_codec_tag = 0; |
| |
| static float mux_preload= 0.5; |
| static float mux_max_delay= 0.7; |
| |
| static int64_t recording_time = INT64_MAX; |
| static int64_t start_time = 0; |
| static int64_t recording_timestamp = 0; |
| static int64_t input_ts_offset = 0; |
| static int file_overwrite = 0; |
| static AVDictionary *metadata; |
| static int do_benchmark = 0; |
| static int do_hex_dump = 0; |
| static int do_pkt_dump = 0; |
| static int do_psnr = 0; |
| static int do_pass = 0; |
| static const char *pass_logfilename_prefix; |
| static int audio_stream_copy = 0; |
| static int video_stream_copy = 0; |
| static int subtitle_stream_copy = 0; |
| static int data_stream_copy = 0; |
| static int video_sync_method= -1; |
| static int audio_sync_method= 0; |
| static float audio_drift_threshold= 0.1; |
| static int copy_ts= 0; |
| static int copy_tb= 0; |
| static int opt_shortest = 0; |
| static char *vstats_filename; |
| static FILE *vstats_file; |
| static int opt_programid = 0; |
| static int copy_initial_nonkeyframes = 0; |
| |
| static int rate_emu = 0; |
| |
| static int video_channel = 0; |
| static char *video_standard; |
| |
| static int audio_volume = 256; |
| |
| static int exit_on_error = 0; |
| static int using_stdin = 0; |
| static int verbose = 1; |
| static int run_as_daemon = 0; |
| static int thread_count= 1; |
| static int q_pressed = 0; |
| static int64_t video_size = 0; |
| static int64_t audio_size = 0; |
| static int64_t extra_size = 0; |
| static int nb_frames_dup = 0; |
| static int nb_frames_drop = 0; |
| static int input_sync; |
| static uint64_t limit_filesize = 0; |
| static int force_fps = 0; |
| static char *forced_key_frames = NULL; |
| |
| static float dts_delta_threshold = 10; |
| |
| static int64_t timer_start; |
| |
| static uint8_t *audio_buf; |
| static uint8_t *audio_out; |
| static unsigned int allocated_audio_out_size, allocated_audio_buf_size; |
| |
| static short *samples; |
| |
| static AVBitStreamFilterContext *video_bitstream_filters=NULL; |
| static AVBitStreamFilterContext *audio_bitstream_filters=NULL; |
| static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL; |
| |
| #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass" |
| |
| struct AVInputStream; |
| |
| typedef struct AVOutputStream { |
| int file_index; /* file index */ |
| int index; /* stream index in the output file */ |
| int source_index; /* AVInputStream index */ |
| AVStream *st; /* stream in the output file */ |
| int encoding_needed; /* true if encoding needed for this stream */ |
| int frame_number; |
| /* input pts and corresponding output pts |
| for A/V sync */ |
| //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */ |
| struct AVInputStream *sync_ist; /* input stream to sync against */ |
| int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number |
| AVBitStreamFilterContext *bitstream_filters; |
| AVCodec *enc; |
| |
| /* video only */ |
| int video_resample; |
| AVFrame resample_frame; /* temporary frame for image resampling */ |
| struct SwsContext *img_resample_ctx; /* for image resampling */ |
| int resample_height; |
| int resample_width; |
| int resample_pix_fmt; |
| AVRational frame_rate; |
| |
| float frame_aspect_ratio; |
| |
| /* forced key frames */ |
| int64_t *forced_kf_pts; |
| int forced_kf_count; |
| int forced_kf_index; |
| |
| /* audio only */ |
| int audio_resample; |
| ReSampleContext *resample; /* for audio resampling */ |
| int resample_sample_fmt; |
| int resample_channels; |
| int resample_sample_rate; |
| int reformat_pair; |
| AVAudioConvert *reformat_ctx; |
| AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */ |
| FILE *logfile; |
| |
| #if CONFIG_AVFILTER |
| AVFilterContext *output_video_filter; |
| AVFilterContext *input_video_filter; |
| AVFilterBufferRef *picref; |
| char *avfilter; |
| AVFilterGraph *graph; |
| #endif |
| |
| int sws_flags; |
| } AVOutputStream; |
| |
| static AVOutputStream **output_streams_for_file[MAX_FILES] = { NULL }; |
| static int nb_output_streams_for_file[MAX_FILES] = { 0 }; |
| |
| typedef struct AVInputStream { |
| int file_index; |
| AVStream *st; |
| int discard; /* true if stream data should be discarded */ |
| int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */ |
| int64_t sample_index; /* current sample */ |
| |
| int64_t start; /* time when read started */ |
| int64_t next_pts; /* synthetic pts for cases where pkt.pts |
| is not defined */ |
| int64_t pts; /* current pts */ |
| int is_start; /* is 1 at the start and after a discontinuity */ |
| int showed_multi_packet_warning; |
| int is_past_recording_time; |
| #if CONFIG_AVFILTER |
| AVFrame *filter_frame; |
| int has_filter_frame; |
| #endif |
| } AVInputStream; |
| |
| typedef struct AVInputFile { |
| AVFormatContext *ctx; |
| int eof_reached; /* true if eof reached */ |
| int ist_index; /* index of first stream in ist_table */ |
| int buffer_size; /* current total buffer size */ |
| int nb_streams; /* nb streams we are aware of */ |
| } AVInputFile; |
| |
| #if HAVE_TERMIOS_H |
| |
| /* init terminal so that we can grab keys */ |
| static struct termios oldtty; |
| #endif |
| |
| static AVInputStream *input_streams = NULL; |
| static int nb_input_streams = 0; |
| static AVInputFile *input_files = NULL; |
| static int nb_input_files = 0; |
| |
| #if CONFIG_AVFILTER |
| |
| static int configure_video_filters(AVInputStream *ist, AVOutputStream *ost) |
| { |
| AVFilterContext *last_filter, *filter; |
| /** filter graph containing all filters including input & output */ |
| AVCodecContext *codec = ost->st->codec; |
| AVCodecContext *icodec = ist->st->codec; |
| enum PixelFormat pix_fmts[] = { codec->pix_fmt, PIX_FMT_NONE }; |
| AVRational sample_aspect_ratio; |
| char args[255]; |
| int ret; |
| |
| ost->graph = avfilter_graph_alloc(); |
| |
| if (ist->st->sample_aspect_ratio.num){ |
| sample_aspect_ratio = ist->st->sample_aspect_ratio; |
| }else |
| sample_aspect_ratio = ist->st->codec->sample_aspect_ratio; |
| |
| snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width, |
| ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE, |
| sample_aspect_ratio.num, sample_aspect_ratio.den); |
| |
| ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"), |
| "src", args, NULL, ost->graph); |
| if (ret < 0) |
| return ret; |
| ret = avfilter_graph_create_filter(&ost->output_video_filter, avfilter_get_by_name("buffersink"), |
| "out", NULL, pix_fmts, ost->graph); |
| if (ret < 0) |
| return ret; |
| last_filter = ost->input_video_filter; |
| |
| if (codec->width != icodec->width || codec->height != icodec->height) { |
| snprintf(args, 255, "%d:%d:flags=0x%X", |
| codec->width, |
| codec->height, |
| ost->sws_flags); |
| if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"), |
| NULL, args, NULL, ost->graph)) < 0) |
| return ret; |
| if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0) |
| return ret; |
| last_filter = filter; |
| } |
| |
| snprintf(args, sizeof(args), "flags=0x%X", ost->sws_flags); |
| ost->graph->scale_sws_opts = av_strdup(args); |
| |
| if (ost->avfilter) { |
| AVFilterInOut *outputs = avfilter_inout_alloc(); |
| AVFilterInOut *inputs = avfilter_inout_alloc(); |
| |
| outputs->name = av_strdup("in"); |
| outputs->filter_ctx = last_filter; |
| outputs->pad_idx = 0; |
| outputs->next = NULL; |
| |
| inputs->name = av_strdup("out"); |
| inputs->filter_ctx = ost->output_video_filter; |
| inputs->pad_idx = 0; |
| inputs->next = NULL; |
| |
| if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, &inputs, &outputs, NULL)) < 0) |
| return ret; |
| av_freep(&ost->avfilter); |
| } else { |
| if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0) |
| return ret; |
| } |
| |
| if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0) |
| return ret; |
| |
| codec->width = ost->output_video_filter->inputs[0]->w; |
| codec->height = ost->output_video_filter->inputs[0]->h; |
| codec->sample_aspect_ratio = ost->st->sample_aspect_ratio = |
| ost->frame_aspect_ratio ? // overriden by the -aspect cli option |
| av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) : |
| ost->output_video_filter->inputs[0]->sample_aspect_ratio; |
| |
| return 0; |
| } |
| #endif /* CONFIG_AVFILTER */ |
| |
| static void term_exit(void) |
| { |
| av_log(NULL, AV_LOG_QUIET, "%s", ""); |
| #if HAVE_TERMIOS_H |
| if(!run_as_daemon) |
| tcsetattr (0, TCSANOW, &oldtty); |
| #endif |
| } |
| |
| static volatile int received_sigterm = 0; |
| |
| static void |
| sigterm_handler(int sig) |
| { |
| received_sigterm = sig; |
| q_pressed++; |
| term_exit(); |
| } |
| |
| static void term_init(void) |
| { |
| #if HAVE_TERMIOS_H |
| if(!run_as_daemon){ |
| struct termios tty; |
| |
| tcgetattr (0, &tty); |
| oldtty = tty; |
| atexit(term_exit); |
| |
| tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP |
| |INLCR|IGNCR|ICRNL|IXON); |
| tty.c_oflag |= OPOST; |
| tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN); |
| tty.c_cflag &= ~(CSIZE|PARENB); |
| tty.c_cflag |= CS8; |
| tty.c_cc[VMIN] = 1; |
| tty.c_cc[VTIME] = 0; |
| |
| tcsetattr (0, TCSANOW, &tty); |
| signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */ |
| } |
| #endif |
| |
| signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */ |
| signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */ |
| #ifdef SIGXCPU |
| signal(SIGXCPU, sigterm_handler); |
| #endif |
| } |
| |
| /* read a key without blocking */ |
| static int read_key(void) |
| { |
| #if HAVE_TERMIOS_H |
| int n = 1; |
| unsigned char ch; |
| struct timeval tv; |
| fd_set rfds; |
| |
| if(run_as_daemon) |
| return -1; |
| |
| FD_ZERO(&rfds); |
| FD_SET(0, &rfds); |
| tv.tv_sec = 0; |
| tv.tv_usec = 0; |
| n = select(1, &rfds, NULL, NULL, &tv); |
| if (n > 0) { |
| n = read(0, &ch, 1); |
| if (n == 1) |
| return ch; |
| |
| return n; |
| } |
| #elif HAVE_KBHIT |
| if(kbhit()) |
| return(getch()); |
| #endif |
| return -1; |
| } |
| |
| static int decode_interrupt_cb(void) |
| { |
| q_pressed += read_key() == 'q'; |
| return q_pressed > 1; |
| } |
| |
| static int ffmpeg_exit(int ret) |
| { |
| int i; |
| |
| /* close files */ |
| for(i=0;i<nb_output_files;i++) { |
| AVFormatContext *s = output_files[i]; |
| if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb) |
| avio_close(s->pb); |
| avformat_free_context(s); |
| av_free(output_streams_for_file[i]); |
| } |
| for(i=0;i<nb_input_files;i++) { |
| av_close_input_file(input_files[i].ctx); |
| av_free(input_files_ts_scale[i]); |
| } |
| |
| av_free(intra_matrix); |
| av_free(inter_matrix); |
| |
| if (vstats_file) |
| fclose(vstats_file); |
| av_free(vstats_filename); |
| |
| av_free(streamid_map); |
| av_free(input_codecs); |
| av_free(stream_maps); |
| av_free(meta_data_maps); |
| |
| av_freep(&input_streams); |
| av_freep(&input_files); |
| |
| av_free(video_codec_name); |
| av_free(audio_codec_name); |
| av_free(subtitle_codec_name); |
| av_free(data_codec_name); |
| |
| av_free(video_standard); |
| |
| uninit_opts(); |
| av_free(audio_buf); |
| av_free(audio_out); |
| allocated_audio_buf_size= allocated_audio_out_size= 0; |
| av_free(samples); |
| |
| #if CONFIG_AVFILTER |
| avfilter_uninit(); |
| #endif |
| |
| if (received_sigterm) { |
| fprintf(stderr, |
| "Received signal %d: terminating.\n", |
| (int) received_sigterm); |
| exit (255); |
| } |
| |
| exit(ret); /* not all OS-es handle main() return value */ |
| return ret; |
| } |
| |
| /* similar to ff_dynarray_add() and av_fast_realloc() */ |
| static void *grow_array(void *array, int elem_size, int *size, int new_size) |
| { |
| if (new_size >= INT_MAX / elem_size) { |
| fprintf(stderr, "Array too big.\n"); |
| ffmpeg_exit(1); |
| } |
| if (*size < new_size) { |
| uint8_t *tmp = av_realloc(array, new_size*elem_size); |
| if (!tmp) { |
| fprintf(stderr, "Could not alloc buffer.\n"); |
| ffmpeg_exit(1); |
| } |
| memset(tmp + *size*elem_size, 0, (new_size-*size) * elem_size); |
| *size = new_size; |
| return tmp; |
| } |
| return array; |
| } |
| |
| static void choose_sample_fmt(AVStream *st, AVCodec *codec) |
| { |
| if(codec && codec->sample_fmts){ |
| const enum AVSampleFormat *p= codec->sample_fmts; |
| for(; *p!=-1; p++){ |
| if(*p == st->codec->sample_fmt) |
| break; |
| } |
| if (*p == -1) { |
| if((codec->capabilities & CODEC_CAP_LOSSLESS) && av_get_sample_fmt_name(st->codec->sample_fmt) > av_get_sample_fmt_name(codec->sample_fmts[0])) |
| av_log(NULL, AV_LOG_ERROR, "Convertion will not be lossless'\n"); |
| av_log(NULL, AV_LOG_WARNING, |
| "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n", |
| av_get_sample_fmt_name(st->codec->sample_fmt), |
| codec->name, |
| av_get_sample_fmt_name(codec->sample_fmts[0])); |
| st->codec->sample_fmt = codec->sample_fmts[0]; |
| } |
| } |
| } |
| |
| static void choose_sample_rate(AVStream *st, AVCodec *codec) |
| { |
| if(codec && codec->supported_samplerates){ |
| const int *p= codec->supported_samplerates; |
| int best=0; |
| int best_dist=INT_MAX; |
| for(; *p; p++){ |
| int dist= abs(st->codec->sample_rate - *p); |
| if(dist < best_dist){ |
| best_dist= dist; |
| best= *p; |
| } |
| } |
| if(best_dist){ |
| av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best); |
| } |
| st->codec->sample_rate= best; |
| } |
| } |
| |
| static void choose_pixel_fmt(AVStream *st, AVCodec *codec) |
| { |
| if(codec && codec->pix_fmts){ |
| const enum PixelFormat *p= codec->pix_fmts; |
| if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){ |
| if(st->codec->codec_id==CODEC_ID_MJPEG){ |
| p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE}; |
| }else if(st->codec->codec_id==CODEC_ID_LJPEG){ |
| p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUVJ444P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_YUV444P, PIX_FMT_BGRA, PIX_FMT_NONE}; |
| } |
| } |
| for(; *p!=-1; p++){ |
| if(*p == st->codec->pix_fmt) |
| break; |
| } |
| if (*p == -1) { |
| if(st->codec->pix_fmt != PIX_FMT_NONE) |
| av_log(NULL, AV_LOG_WARNING, |
| "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n", |
| av_pix_fmt_descriptors[st->codec->pix_fmt].name, |
| codec->name, |
| av_pix_fmt_descriptors[codec->pix_fmts[0]].name); |
| st->codec->pix_fmt = codec->pix_fmts[0]; |
| } |
| } |
| } |
| |
| static AVOutputStream *new_output_stream(AVFormatContext *oc, int file_idx) |
| { |
| int idx = oc->nb_streams - 1; |
| AVOutputStream *ost; |
| |
| output_streams_for_file[file_idx] = |
| grow_array(output_streams_for_file[file_idx], |
| sizeof(*output_streams_for_file[file_idx]), |
| &nb_output_streams_for_file[file_idx], |
| oc->nb_streams); |
| ost = output_streams_for_file[file_idx][idx] = |
| av_mallocz(sizeof(AVOutputStream)); |
| if (!ost) { |
| fprintf(stderr, "Could not alloc output stream\n"); |
| ffmpeg_exit(1); |
| } |
| ost->file_index = file_idx; |
| ost->index = idx; |
| |
| ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL); |
| return ost; |
| } |
| |
| static int read_ffserver_streams(AVFormatContext *s, const char *filename) |
| { |
| int i, err; |
| AVFormatContext *ic; |
| int nopts = 0; |
| |
| err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL); |
| if (err < 0) |
| return err; |
| /* copy stream format */ |
| s->nb_streams = 0; |
| s->streams = av_mallocz(sizeof(AVStream *) * ic->nb_streams); |
| for(i=0;i<ic->nb_streams;i++) { |
| AVStream *st; |
| AVCodec *codec; |
| |
| s->nb_streams++; |
| |
| // FIXME: a more elegant solution is needed |
| st = av_mallocz(sizeof(AVStream)); |
| memcpy(st, ic->streams[i], sizeof(AVStream)); |
| st->info = av_malloc(sizeof(*st->info)); |
| memcpy(st->info, ic->streams[i]->info, sizeof(*st->info)); |
| st->codec = avcodec_alloc_context(); |
| if (!st->codec) { |
| print_error(filename, AVERROR(ENOMEM)); |
| ffmpeg_exit(1); |
| } |
| avcodec_copy_context(st->codec, ic->streams[i]->codec); |
| s->streams[i] = st; |
| |
| codec = avcodec_find_encoder(st->codec->codec_id); |
| if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) { |
| if (audio_stream_copy) { |
| st->stream_copy = 1; |
| } else |
| choose_sample_fmt(st, codec); |
| } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) { |
| if (video_stream_copy) { |
| st->stream_copy = 1; |
| } else |
| choose_pixel_fmt(st, codec); |
| } |
| |
| if(st->codec->flags & CODEC_FLAG_BITEXACT) |
| nopts = 1; |
| |
| new_output_stream(s, nb_output_files); |
| } |
| |
| if (!nopts) |
| s->timestamp = av_gettime(); |
| |
| av_close_input_file(ic); |
| return 0; |
| } |
| |
| static double |
| get_sync_ipts(const AVOutputStream *ost) |
| { |
| const AVInputStream *ist = ost->sync_ist; |
| return (double)(ist->pts - start_time)/AV_TIME_BASE; |
| } |
| |
| static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){ |
| int ret; |
| |
| while(bsfc){ |
| AVPacket new_pkt= *pkt; |
| int a= av_bitstream_filter_filter(bsfc, avctx, NULL, |
| &new_pkt.data, &new_pkt.size, |
| pkt->data, pkt->size, |
| pkt->flags & AV_PKT_FLAG_KEY); |
| if(a>0){ |
| av_free_packet(pkt); |
| new_pkt.destruct= av_destruct_packet; |
| } else if(a<0){ |
| fprintf(stderr, "%s failed for stream %d, codec %s", |
| bsfc->filter->name, pkt->stream_index, |
| avctx->codec ? avctx->codec->name : "copy"); |
| print_error("", a); |
| if (exit_on_error) |
| ffmpeg_exit(1); |
| } |
| *pkt= new_pkt; |
| |
| bsfc= bsfc->next; |
| } |
| |
| ret= av_interleaved_write_frame(s, pkt); |
| if(ret < 0){ |
| print_error("av_interleaved_write_frame()", ret); |
| ffmpeg_exit(1); |
| } |
| } |
| |
| #define MAX_AUDIO_PACKET_SIZE (128 * 1024) |
| |
| static void do_audio_out(AVFormatContext *s, |
| AVOutputStream *ost, |
| AVInputStream *ist, |
| unsigned char *buf, int size) |
| { |
| uint8_t *buftmp; |
| int64_t audio_out_size, audio_buf_size; |
| int64_t allocated_for_size= size; |
| |
| int size_out, frame_bytes, ret, resample_changed; |
| AVCodecContext *enc= ost->st->codec; |
| AVCodecContext *dec= ist->st->codec; |
| int osize = av_get_bytes_per_sample(enc->sample_fmt); |
| int isize = av_get_bytes_per_sample(dec->sample_fmt); |
| const int coded_bps = av_get_bits_per_sample(enc->codec->id); |
| |
| need_realloc: |
| audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels); |
| audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate; |
| audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API |
| audio_buf_size= FFMAX(audio_buf_size, enc->frame_size); |
| audio_buf_size*= osize*enc->channels; |
| |
| audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels); |
| if(coded_bps > 8*osize) |
| audio_out_size= audio_out_size * coded_bps / (8*osize); |
| audio_out_size += FF_MIN_BUFFER_SIZE; |
| |
| if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){ |
| fprintf(stderr, "Buffer sizes too large\n"); |
| ffmpeg_exit(1); |
| } |
| |
| av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size); |
| av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size); |
| if (!audio_buf || !audio_out){ |
| fprintf(stderr, "Out of memory in do_audio_out\n"); |
| ffmpeg_exit(1); |
| } |
| |
| if (enc->channels != dec->channels) |
| ost->audio_resample = 1; |
| |
| resample_changed = ost->resample_sample_fmt != dec->sample_fmt || |
| ost->resample_channels != dec->channels || |
| ost->resample_sample_rate != dec->sample_rate; |
| |
| if ((ost->audio_resample && !ost->resample) || resample_changed) { |
| if (resample_changed) { |
| av_log(NULL, AV_LOG_INFO, "Input stream #%d.%d frame changed from rate:%d fmt:%s ch:%d to rate:%d fmt:%s ch:%d\n", |
| ist->file_index, ist->st->index, |
| ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels, |
| dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels); |
| ost->resample_sample_fmt = dec->sample_fmt; |
| ost->resample_channels = dec->channels; |
| ost->resample_sample_rate = dec->sample_rate; |
| if (ost->resample) |
| audio_resample_close(ost->resample); |
| } |
| /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */ |
| if (audio_sync_method <= 1 && |
| ost->resample_sample_fmt == enc->sample_fmt && |
| ost->resample_channels == enc->channels && |
| ost->resample_sample_rate == enc->sample_rate) { |
| ost->resample = NULL; |
| ost->audio_resample = 0; |
| } else { |
| if (dec->sample_fmt != AV_SAMPLE_FMT_S16) |
| fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n"); |
| ost->resample = av_audio_resample_init(enc->channels, dec->channels, |
| enc->sample_rate, dec->sample_rate, |
| enc->sample_fmt, dec->sample_fmt, |
| 16, 10, 0, 0.8); |
| if (!ost->resample) { |
| fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n", |
| dec->channels, dec->sample_rate, |
| enc->channels, enc->sample_rate); |
| ffmpeg_exit(1); |
| } |
| } |
| } |
| |
| #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b)) |
| if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt && |
| MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) { |
| if (ost->reformat_ctx) |
| av_audio_convert_free(ost->reformat_ctx); |
| ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1, |
| dec->sample_fmt, 1, NULL, 0); |
| if (!ost->reformat_ctx) { |
| fprintf(stderr, "Cannot convert %s sample format to %s sample format\n", |
| av_get_sample_fmt_name(dec->sample_fmt), |
| av_get_sample_fmt_name(enc->sample_fmt)); |
| ffmpeg_exit(1); |
| } |
| ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt); |
| } |
| |
| if(audio_sync_method){ |
| double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts |
| - av_fifo_size(ost->fifo)/(enc->channels * 2); |
| double idelta= delta*dec->sample_rate / enc->sample_rate; |
| int byte_delta= ((int)idelta)*2*dec->channels; |
| |
| //FIXME resample delay |
| if(fabs(delta) > 50){ |
| if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){ |
| if(byte_delta < 0){ |
| byte_delta= FFMAX(byte_delta, -size); |
| size += byte_delta; |
| buf -= byte_delta; |
| if(verbose > 2) |
| fprintf(stderr, "discarding %d audio samples\n", (int)-delta); |
| if(!size) |
| return; |
| ist->is_start=0; |
| }else{ |
| static uint8_t *input_tmp= NULL; |
| input_tmp= av_realloc(input_tmp, byte_delta + size); |
| |
| if(byte_delta > allocated_for_size - size){ |
| allocated_for_size= byte_delta + (int64_t)size; |
| goto need_realloc; |
| } |
| ist->is_start=0; |
| |
| memset(input_tmp, 0, byte_delta); |
| memcpy(input_tmp + byte_delta, buf, size); |
| buf= input_tmp; |
| size += byte_delta; |
| if(verbose > 2) |
| fprintf(stderr, "adding %d audio samples of silence\n", (int)delta); |
| } |
| }else if(audio_sync_method>1){ |
| int comp= av_clip(delta, -audio_sync_method, audio_sync_method); |
| av_assert0(ost->audio_resample); |
| if(verbose > 2) |
| fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate); |
| // fprintf(stderr, "drift:%f len:%d opts:%"PRId64" ipts:%"PRId64" fifo:%d\n", delta, -1, ost->sync_opts, (int64_t)(get_sync_ipts(ost) * enc->sample_rate), av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2)); |
| av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate); |
| } |
| } |
| }else |
| ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate) |
| - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong |
| |
| if (ost->audio_resample) { |
| buftmp = audio_buf; |
| size_out = audio_resample(ost->resample, |
| (short *)buftmp, (short *)buf, |
| size / (dec->channels * isize)); |
| size_out = size_out * enc->channels * osize; |
| } else { |
| buftmp = buf; |
| size_out = size; |
| } |
| |
| if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) { |
| const void *ibuf[6]= {buftmp}; |
| void *obuf[6]= {audio_buf}; |
| int istride[6]= {isize}; |
| int ostride[6]= {osize}; |
| int len= size_out/istride[0]; |
| if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) { |
| printf("av_audio_convert() failed\n"); |
| if (exit_on_error) |
| ffmpeg_exit(1); |
| return; |
| } |
| buftmp = audio_buf; |
| size_out = len*osize; |
| } |
| |
| /* now encode as many frames as possible */ |
| if (enc->frame_size > 1) { |
| /* output resampled raw samples */ |
| if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) { |
| fprintf(stderr, "av_fifo_realloc2() failed\n"); |
| ffmpeg_exit(1); |
| } |
| av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL); |
| |
| frame_bytes = enc->frame_size * osize * enc->channels; |
| |
| while (av_fifo_size(ost->fifo) >= frame_bytes) { |
| AVPacket pkt; |
| av_init_packet(&pkt); |
| |
| av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL); |
| |
| //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio() |
| |
| ret = avcodec_encode_audio(enc, audio_out, audio_out_size, |
| (short *)audio_buf); |
| if (ret < 0) { |
| fprintf(stderr, "Audio encoding failed\n"); |
| ffmpeg_exit(1); |
| } |
| audio_size += ret; |
| pkt.stream_index= ost->index; |
| pkt.data= audio_out; |
| pkt.size= ret; |
| if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE) |
| pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base); |
| pkt.flags |= AV_PKT_FLAG_KEY; |
| write_frame(s, &pkt, enc, ost->bitstream_filters); |
| |
| ost->sync_opts += enc->frame_size; |
| } |
| } else { |
| AVPacket pkt; |
| av_init_packet(&pkt); |
| |
| ost->sync_opts += size_out / (osize * enc->channels); |
| |
| /* output a pcm frame */ |
| /* determine the size of the coded buffer */ |
| size_out /= osize; |
| if (coded_bps) |
| size_out = size_out*coded_bps/8; |
| |
| if(size_out > audio_out_size){ |
| fprintf(stderr, "Internal error, buffer size too small\n"); |
| ffmpeg_exit(1); |
| } |
| |
| //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio() |
| ret = avcodec_encode_audio(enc, audio_out, size_out, |
| (short *)buftmp); |
| if (ret < 0) { |
| fprintf(stderr, "Audio encoding failed\n"); |
| ffmpeg_exit(1); |
| } |
| audio_size += ret; |
| pkt.stream_index= ost->index; |
| pkt.data= audio_out; |
| pkt.size= ret; |
| if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE) |
| pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base); |
| pkt.flags |= AV_PKT_FLAG_KEY; |
| write_frame(s, &pkt, enc, ost->bitstream_filters); |
| } |
| } |
| |
| static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp) |
| { |
| AVCodecContext *dec; |
| AVPicture *picture2; |
| AVPicture picture_tmp; |
| uint8_t *buf = 0; |
| |
| dec = ist->st->codec; |
| |
| /* deinterlace : must be done before any resize */ |
| if (do_deinterlace) { |
| int size; |
| |
| /* create temporary picture */ |
| size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height); |
| buf = av_malloc(size); |
| if (!buf) |
| return; |
| |
| picture2 = &picture_tmp; |
| avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height); |
| |
| if(avpicture_deinterlace(picture2, picture, |
| dec->pix_fmt, dec->width, dec->height) < 0) { |
| /* if error, do not deinterlace */ |
| fprintf(stderr, "Deinterlacing failed\n"); |
| av_free(buf); |
| buf = NULL; |
| picture2 = picture; |
| } |
| } else { |
| picture2 = picture; |
| } |
| |
| if (picture != picture2) |
| *picture = *picture2; |
| *bufp = buf; |
| } |
| |
| /* we begin to correct av delay at this threshold */ |
| #define AV_DELAY_MAX 0.100 |
| |
| static void do_subtitle_out(AVFormatContext *s, |
| AVOutputStream *ost, |
| AVInputStream *ist, |
| AVSubtitle *sub, |
| int64_t pts) |
| { |
| static uint8_t *subtitle_out = NULL; |
| int subtitle_out_max_size = 1024 * 1024; |
| int subtitle_out_size, nb, i; |
| AVCodecContext *enc; |
| AVPacket pkt; |
| |
| if (pts == AV_NOPTS_VALUE) { |
| fprintf(stderr, "Subtitle packets must have a pts\n"); |
| if (exit_on_error) |
| ffmpeg_exit(1); |
| return; |
| } |
| |
| enc = ost->st->codec; |
| |
| if (!subtitle_out) { |
| subtitle_out = av_malloc(subtitle_out_max_size); |
| } |
| |
| /* Note: DVB subtitle need one packet to draw them and one other |
| packet to clear them */ |
| /* XXX: signal it in the codec context ? */ |
| if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) |
| nb = 2; |
| else |
| nb = 1; |
| |
| for(i = 0; i < nb; i++) { |
| sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q); |
| // start_display_time is required to be 0 |
| sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q); |
| sub->end_display_time -= sub->start_display_time; |
| sub->start_display_time = 0; |
| subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out, |
| subtitle_out_max_size, sub); |
| if (subtitle_out_size < 0) { |
| fprintf(stderr, "Subtitle encoding failed\n"); |
| ffmpeg_exit(1); |
| } |
| |
| av_init_packet(&pkt); |
| pkt.stream_index = ost->index; |
| pkt.data = subtitle_out; |
| pkt.size = subtitle_out_size; |
| pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base); |
| if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) { |
| /* XXX: the pts correction is handled here. Maybe handling |
| it in the codec would be better */ |
| if (i == 0) |
| pkt.pts += 90 * sub->start_display_time; |
| else |
| pkt.pts += 90 * sub->end_display_time; |
| } |
| write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters); |
| } |
| } |
| |
| static int bit_buffer_size= 1024*256; |
| static uint8_t *bit_buffer= NULL; |
| |
| static void do_video_out(AVFormatContext *s, |
| AVOutputStream *ost, |
| AVInputStream *ist, |
| AVFrame *in_picture, |
| int *frame_size) |
| { |
| int nb_frames, i, ret, av_unused resample_changed; |
| AVFrame *final_picture, *formatted_picture; |
| AVCodecContext *enc, *dec; |
| double sync_ipts; |
| |
| enc = ost->st->codec; |
| dec = ist->st->codec; |
| |
| sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base); |
| |
| /* by default, we output a single frame */ |
| nb_frames = 1; |
| |
| *frame_size = 0; |
| |
| if(video_sync_method){ |
| double vdelta = sync_ipts - ost->sync_opts; |
| //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c |
| if (vdelta < -1.1) |
| nb_frames = 0; |
| else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){ |
| if(vdelta<=-0.6){ |
| nb_frames=0; |
| }else if(vdelta>0.6) |
| ost->sync_opts= lrintf(sync_ipts); |
| }else if (vdelta > 1.1) |
| nb_frames = lrintf(vdelta); |
| //fprintf(stderr, "vdelta:%f, ost->sync_opts:%"PRId64", ost->sync_ipts:%f nb_frames:%d\n", vdelta, ost->sync_opts, get_sync_ipts(ost), nb_frames); |
| if (nb_frames == 0){ |
| ++nb_frames_drop; |
| if (verbose>2) |
| fprintf(stderr, "*** drop!\n"); |
| }else if (nb_frames > 1) { |
| nb_frames_dup += nb_frames - 1; |
| if (verbose>2) |
| fprintf(stderr, "*** %d dup!\n", nb_frames-1); |
| } |
| }else |
| ost->sync_opts= lrintf(sync_ipts); |
| |
| nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number); |
| if (nb_frames <= 0) |
| return; |
| |
| formatted_picture = in_picture; |
| final_picture = formatted_picture; |
| |
| #if !CONFIG_AVFILTER |
| resample_changed = ost->resample_width != dec->width || |
| ost->resample_height != dec->height || |
| ost->resample_pix_fmt != dec->pix_fmt; |
| |
| if (resample_changed) { |
| av_log(NULL, AV_LOG_INFO, |
| "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n", |
| ist->file_index, ist->st->index, |
| ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt), |
| dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt)); |
| ost->resample_width = dec->width; |
| ost->resample_height = dec->height; |
| ost->resample_pix_fmt = dec->pix_fmt; |
| } |
| |
| ost->video_resample = dec->width != enc->width || |
| dec->height != enc->height || |
| dec->pix_fmt != enc->pix_fmt; |
| |
| if (ost->video_resample) { |
| final_picture = &ost->resample_frame; |
| if (!ost->img_resample_ctx || resample_changed) { |
| /* initialize the destination picture */ |
| if (!ost->resample_frame.data[0]) { |
| avcodec_get_frame_defaults(&ost->resample_frame); |
| if (avpicture_alloc((AVPicture *)&ost->resample_frame, enc->pix_fmt, |
| enc->width, enc->height)) { |
| fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n"); |
| ffmpeg_exit(1); |
| } |
| } |
| /* initialize a new scaler context */ |
| sws_freeContext(ost->img_resample_ctx); |
| ost->img_resample_ctx = sws_getContext(dec->width, dec->height, dec->pix_fmt, |
| enc->width, enc->height, enc->pix_fmt, |
| ost->sws_flags, NULL, NULL, NULL); |
| if (ost->img_resample_ctx == NULL) { |
| fprintf(stderr, "Cannot get resampling context\n"); |
| ffmpeg_exit(1); |
| } |
| } |
| sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize, |
| 0, ost->resample_height, final_picture->data, final_picture->linesize); |
| } |
| #endif |
| |
| /* duplicates frame if needed */ |
| for(i=0;i<nb_frames;i++) { |
| AVPacket pkt; |
| av_init_packet(&pkt); |
| pkt.stream_index= ost->index; |
| |
| if (s->oformat->flags & AVFMT_RAWPICTURE) { |
| /* raw pictures are written as AVPicture structure to |
| avoid any copies. We support temorarily the older |
| method. */ |
| AVFrame* old_frame = enc->coded_frame; |
| enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack |
| pkt.data= (uint8_t *)final_picture; |
| pkt.size= sizeof(AVPicture); |
| pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base); |
| pkt.flags |= AV_PKT_FLAG_KEY; |
| |
| write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters); |
| enc->coded_frame = old_frame; |
| } else { |
| AVFrame big_picture; |
| |
| big_picture= *final_picture; |
| /* better than nothing: use input picture interlaced |
| settings */ |
| big_picture.interlaced_frame = in_picture->interlaced_frame; |
| if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) { |
| if(top_field_first == -1) |
| big_picture.top_field_first = in_picture->top_field_first; |
| else |
| big_picture.top_field_first = top_field_first; |
| } |
| |
| /* handles sameq here. This is not correct because it may |
| not be a global option */ |
| big_picture.quality = same_quality ? ist->st->quality : ost->st->quality; |
| if(!me_threshold) |
| big_picture.pict_type = 0; |
| // big_picture.pts = AV_NOPTS_VALUE; |
| big_picture.pts= ost->sync_opts; |
| // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den); |
| //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts); |
| if (ost->forced_kf_index < ost->forced_kf_count && |
| big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) { |
| big_picture.pict_type = AV_PICTURE_TYPE_I; |
| ost->forced_kf_index++; |
| } |
| ret = avcodec_encode_video(enc, |
| bit_buffer, bit_buffer_size, |
| &big_picture); |
| if (ret < 0) { |
| fprintf(stderr, "Video encoding failed\n"); |
| ffmpeg_exit(1); |
| } |
| |
| if(ret>0){ |
| pkt.data= bit_buffer; |
| pkt.size= ret; |
| if(enc->coded_frame->pts != AV_NOPTS_VALUE) |
| pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base); |
| /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n", |
| pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1, |
| pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/ |
| |
| if(enc->coded_frame->key_frame) |
| pkt.flags |= AV_PKT_FLAG_KEY; |
| write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters); |
| *frame_size = ret; |
| video_size += ret; |
| //fprintf(stderr,"\nFrame: %3d size: %5d type: %d", |
| // enc->frame_number-1, ret, enc->pict_type); |
| /* if two pass, output log */ |
| if (ost->logfile && enc->stats_out) { |
| fprintf(ost->logfile, "%s", enc->stats_out); |
| } |
| } |
| } |
| ost->sync_opts++; |
| ost->frame_number++; |
| } |
| } |
| |
| static double psnr(double d){ |
| return -10.0*log(d)/log(10.0); |
| } |
| |
| static void do_video_stats(AVFormatContext *os, AVOutputStream *ost, |
| int frame_size) |
| { |
| AVCodecContext *enc; |
| int frame_number; |
| double ti1, bitrate, avg_bitrate; |
| |
| /* this is executed just the first time do_video_stats is called */ |
| if (!vstats_file) { |
| vstats_file = fopen(vstats_filename, "w"); |
| if (!vstats_file) { |
| perror("fopen"); |
| ffmpeg_exit(1); |
| } |
| } |
| |
| enc = ost->st->codec; |
| if (enc->codec_type == AVMEDIA_TYPE_VIDEO) { |
| frame_number = ost->frame_number; |
| fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA); |
| if (enc->flags&CODEC_FLAG_PSNR) |
| fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0))); |
| |
| fprintf(vstats_file,"f_size= %6d ", frame_size); |
| /* compute pts value */ |
| ti1 = ost->sync_opts * av_q2d(enc->time_base); |
| if (ti1 < 0.01) |
| ti1 = 0.01; |
| |
| bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0; |
| avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0; |
| fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ", |
| (double)video_size / 1024, ti1, bitrate, avg_bitrate); |
| fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type)); |
| } |
| } |
| |
| static void print_report(AVFormatContext **output_files, |
| AVOutputStream **ost_table, int nb_ostreams, |
| int is_last_report) |
| { |
| char buf[1024]; |
| AVOutputStream *ost; |
| AVFormatContext *oc; |
| int64_t total_size; |
| AVCodecContext *enc; |
| int frame_number, vid, i; |
| double bitrate; |
| int64_t pts = INT64_MAX; |
| static int64_t last_time = -1; |
| static int qp_histogram[52]; |
| |
| if (!is_last_report) { |
| int64_t cur_time; |
| /* display the report every 0.5 seconds */ |
| cur_time = av_gettime(); |
| if (last_time == -1) { |
| last_time = cur_time; |
| return; |
| } |
| if ((cur_time - last_time) < 500000) |
| return; |
| last_time = cur_time; |
| } |
| |
| |
| oc = output_files[0]; |
| |
| total_size = avio_size(oc->pb); |
| if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too |
| total_size= avio_tell(oc->pb); |
| |
| buf[0] = '\0'; |
| vid = 0; |
| for(i=0;i<nb_ostreams;i++) { |
| float q = -1; |
| ost = ost_table[i]; |
| enc = ost->st->codec; |
| if (!ost->st->stream_copy && enc->coded_frame) |
| q = enc->coded_frame->quality/(float)FF_QP2LAMBDA; |
| if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) { |
| snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q); |
| } |
| if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) { |
| float t = (av_gettime()-timer_start) / 1000000.0; |
| |
| frame_number = ost->frame_number; |
| snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ", |
| frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q); |
| if(is_last_report) |
| snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L"); |
| if(qp_hist){ |
| int j; |
| int qp = lrintf(q); |
| if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram)) |
| qp_histogram[qp]++; |
| for(j=0; j<32; j++) |
| snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2))); |
| } |
| if (enc->flags&CODEC_FLAG_PSNR){ |
| int j; |
| double error, error_sum=0; |
| double scale, scale_sum=0; |
| char type[3]= {'Y','U','V'}; |
| snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR="); |
| for(j=0; j<3; j++){ |
| if(is_last_report){ |
| error= enc->error[j]; |
| scale= enc->width*enc->height*255.0*255.0*frame_number; |
| }else{ |
| error= enc->coded_frame->error[j]; |
| scale= enc->width*enc->height*255.0*255.0; |
| } |
| if(j) scale/=4; |
| error_sum += error; |
| scale_sum += scale; |
| snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale)); |
| } |
| snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum)); |
| } |
| vid = 1; |
| } |
| /* compute min output value */ |
| pts = FFMIN(pts, av_rescale_q(ost->st->pts.val, |
| ost->st->time_base, AV_TIME_BASE_Q)); |
| } |
| |
| if (verbose > 0 || is_last_report) { |
| int hours, mins, secs, us; |
| secs = pts / AV_TIME_BASE; |
| us = pts % AV_TIME_BASE; |
| mins = secs / 60; |
| secs %= 60; |
| hours = mins / 60; |
| mins %= 60; |
| |
| bitrate = pts ? total_size * 8 / (pts / 1000.0) : 0; |
| |
| snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), |
| "size=%8.0fkB time=", total_size / 1024.0); |
| snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), |
| "%02d:%02d:%02d.%02d ", hours, mins, secs, |
| (100 * us) / AV_TIME_BASE); |
| snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), |
| "bitrate=%6.1fkbits/s", bitrate); |
| |
| if (nb_frames_dup || nb_frames_drop) |
| snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d", |
| nb_frames_dup, nb_frames_drop); |
| |
| if (verbose >= 0) |
| fprintf(stderr, "%s \r", buf); |
| |
| fflush(stderr); |
| } |
| |
| if (is_last_report && verbose >= 0){ |
| int64_t raw= audio_size + video_size + extra_size; |
| fprintf(stderr, "\n"); |
| fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n", |
| video_size/1024.0, |
| audio_size/1024.0, |
| extra_size/1024.0, |
| 100.0*(total_size - raw)/raw |
| ); |
| } |
| } |
| |
| static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size) |
| { |
| int fill_char = 0x00; |
| if (sample_fmt == AV_SAMPLE_FMT_U8) |
| fill_char = 0x80; |
| memset(buf, fill_char, size); |
| } |
| |
| /* pkt = NULL means EOF (needed to flush decoder buffers) */ |
| static int output_packet(AVInputStream *ist, int ist_index, |
| AVOutputStream **ost_table, int nb_ostreams, |
| const AVPacket *pkt) |
| { |
| AVFormatContext *os; |
| AVOutputStream *ost; |
| int ret, i; |
| int got_output; |
| AVFrame picture; |
| void *buffer_to_free = NULL; |
| static unsigned int samples_size= 0; |
| AVSubtitle subtitle, *subtitle_to_free; |
| int64_t pkt_pts = AV_NOPTS_VALUE; |
| #if CONFIG_AVFILTER |
| int frame_available; |
| #endif |
| |
| AVPacket avpkt; |
| int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt); |
| |
| if(ist->next_pts == AV_NOPTS_VALUE) |
| ist->next_pts= ist->pts; |
| |
| if (pkt == NULL) { |
| /* EOF handling */ |
| av_init_packet(&avpkt); |
| avpkt.data = NULL; |
| avpkt.size = 0; |
| goto handle_eof; |
| } else { |
| avpkt = *pkt; |
| } |
| |
| if(pkt->dts != AV_NOPTS_VALUE) |
| ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q); |
| if(pkt->pts != AV_NOPTS_VALUE) |
| pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q); |
| |
| //while we have more to decode or while the decoder did output something on EOF |
| while (avpkt.size > 0 || (!pkt && got_output)) { |
| uint8_t *data_buf, *decoded_data_buf; |
| int data_size, decoded_data_size; |
| handle_eof: |
| ist->pts= ist->next_pts; |
| |
| if(avpkt.size && avpkt.size != pkt->size && |
| ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){ |
| fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index); |
| ist->showed_multi_packet_warning=1; |
| } |
| |
| /* decode the packet if needed */ |
| decoded_data_buf = NULL; /* fail safe */ |
| decoded_data_size= 0; |
| data_buf = avpkt.data; |
| data_size = avpkt.size; |
| subtitle_to_free = NULL; |
| if (ist->decoding_needed) { |
| switch(ist->st->codec->codec_type) { |
| case AVMEDIA_TYPE_AUDIO:{ |
| if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) { |
| samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE); |
| av_free(samples); |
| samples= av_malloc(samples_size); |
| } |
| decoded_data_size= samples_size; |
| /* XXX: could avoid copy if PCM 16 bits with same |
| endianness as CPU */ |
| ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size, |
| &avpkt); |
| if (ret < 0) |
| goto fail_decode; |
| avpkt.data += ret; |
| avpkt.size -= ret; |
| data_size = ret; |
| got_output = decoded_data_size > 0; |
| /* Some bug in mpeg audio decoder gives */ |
| /* decoded_data_size < 0, it seems they are overflows */ |
| if (!got_output) { |
| /* no audio frame */ |
| continue; |
| } |
| decoded_data_buf = (uint8_t *)samples; |
| ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) / |
| (ist->st->codec->sample_rate * ist->st->codec->channels); |
| break;} |
| case AVMEDIA_TYPE_VIDEO: |
| decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2; |
| /* XXX: allocate picture correctly */ |
| avcodec_get_frame_defaults(&picture); |
| avpkt.pts = pkt_pts; |
| avpkt.dts = ist->pts; |
| pkt_pts = AV_NOPTS_VALUE; |
| |
| ret = avcodec_decode_video2(ist->st->codec, |
| &picture, &got_output, &avpkt); |
| ist->st->quality= picture.quality; |
| if (ret < 0) |
| goto fail_decode; |
| if (!got_output) { |
| /* no picture yet */ |
| goto discard_packet; |
| } |
| ist->next_pts = ist->pts = picture.best_effort_timestamp; |
| if (ist->st->codec->time_base.num != 0) { |
| int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame; |
| ist->next_pts += ((int64_t)AV_TIME_BASE * |
| ist->st->codec->time_base.num * ticks) / |
| ist->st->codec->time_base.den; |
| } |
| avpkt.size = 0; |
| buffer_to_free = NULL; |
| pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free); |
| break; |
| case AVMEDIA_TYPE_SUBTITLE: |
| ret = avcodec_decode_subtitle2(ist->st->codec, |
| &subtitle, &got_output, &avpkt); |
| if (ret < 0) |
| goto fail_decode; |
| if (!got_output) { |
| goto discard_packet; |
| } |
| subtitle_to_free = &subtitle; |
| avpkt.size = 0; |
| break; |
| default: |
| goto fail_decode; |
| } |
| } else { |
| switch(ist->st->codec->codec_type) { |
| case AVMEDIA_TYPE_AUDIO: |
| ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) / |
| ist->st->codec->sample_rate; |
| break; |
| case AVMEDIA_TYPE_VIDEO: |
| if (ist->st->codec->time_base.num != 0) { |
| int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame; |
| ist->next_pts += ((int64_t)AV_TIME_BASE * |
| ist->st->codec->time_base.num * ticks) / |
| ist->st->codec->time_base.den; |
| } |
| break; |
| } |
| ret = avpkt.size; |
| avpkt.size = 0; |
| } |
| |
| #if CONFIG_AVFILTER |
| if(ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) |
| if (start_time == 0 || ist->pts >= start_time) { |
| for(i=0;i<nb_ostreams;i++) { |
| ost = ost_table[i]; |
| if (ost->input_video_filter && ost->source_index == ist_index) { |
| if (!picture.sample_aspect_ratio.num) |
| picture.sample_aspect_ratio = ist->st->sample_aspect_ratio; |
| picture.pts = ist->pts; |
| |
| av_vsrc_buffer_add_frame(ost->input_video_filter, &picture, AV_VSRC_BUF_FLAG_OVERWRITE); |
| } |
| } |
| } |
| #endif |
| |
| // preprocess audio (volume) |
| if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) { |
| if (audio_volume != 256) { |
| short *volp; |
| volp = samples; |
| for(i=0;i<(decoded_data_size / sizeof(short));i++) { |
| int v = ((*volp) * audio_volume + 128) >> 8; |
| if (v < -32768) v = -32768; |
| if (v > 32767) v = 32767; |
| *volp++ = v; |
| } |
| } |
| } |
| |
| /* frame rate emulation */ |
| if (rate_emu) { |
| int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE); |
| int64_t now = av_gettime() - ist->start; |
| if (pts > now) |
| usleep(pts - now); |
| } |
| /* if output time reached then transcode raw format, |
| encode packets and output them */ |
| if (start_time == 0 || ist->pts >= start_time) |
| for(i=0;i<nb_ostreams;i++) { |
| int frame_size; |
| |
| ost = ost_table[i]; |
| if (ost->source_index == ist_index) { |
| #if CONFIG_AVFILTER |
| frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO || |
| !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]); |
| while (frame_available) { |
| if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter) { |
| AVRational ist_pts_tb = ost->output_video_filter->inputs[0]->time_base; |
| if (av_vsink_buffer_get_video_buffer_ref(ost->output_video_filter, &ost->picref, 0) < 0) |
| goto cont; |
| if (ost->picref) { |
| avfilter_fill_frame_from_video_buffer_ref(&picture, ost->picref); |
| ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q); |
| } |
| } |
| #endif |
| os = output_files[ost->file_index]; |
| |
| /* set the input output pts pairs */ |
| //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE; |
| |
| if (ost->encoding_needed) { |
| av_assert0(ist->decoding_needed); |
| switch(ost->st->codec->codec_type) { |
| case AVMEDIA_TYPE_AUDIO: |
| do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size); |
| break; |
| case AVMEDIA_TYPE_VIDEO: |
| #if CONFIG_AVFILTER |
| if (ost->picref->video && !ost->frame_aspect_ratio) |
| ost->st->codec->sample_aspect_ratio = ost->picref->video->sample_aspect_ratio; |
| #endif |
| do_video_out(os, ost, ist, &picture, &frame_size); |
| if (vstats_filename && frame_size) |
| do_video_stats(os, ost, frame_size); |
| break; |
| case AVMEDIA_TYPE_SUBTITLE: |
| do_subtitle_out(os, ost, ist, &subtitle, |
| pkt->pts); |
| break; |
| default: |
| abort(); |
| } |
| } else { |
| AVFrame avframe; //FIXME/XXX remove this |
| AVPicture pict; |
| AVPacket opkt; |
| int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base); |
| |
| av_init_packet(&opkt); |
| |
| if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes) |
| #if !CONFIG_AVFILTER |
| continue; |
| #else |
| goto cont; |
| #endif |
| |
| /* no reencoding needed : output the packet directly */ |
| /* force the input stream PTS */ |
| |
| avcodec_get_frame_defaults(&avframe); |
| ost->st->codec->coded_frame= &avframe; |
| avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY; |
| |
| if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) |
| audio_size += data_size; |
| else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) { |
| video_size += data_size; |
| ost->sync_opts++; |
| } |
| |
| opkt.stream_index= ost->index; |
| if(pkt->pts != AV_NOPTS_VALUE) |
| opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time; |
| else |
| opkt.pts= AV_NOPTS_VALUE; |
| |
| if (pkt->dts == AV_NOPTS_VALUE) |
| opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base); |
| else |
| opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base); |
| opkt.dts -= ost_tb_start_time; |
| |
| opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base); |
| opkt.flags= pkt->flags; |
| |
| //FIXME remove the following 2 lines they shall be replaced by the bitstream filters |
| if( ost->st->codec->codec_id != CODEC_ID_H264 |
| && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO |
| && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO |
| ) { |
| if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY)) |
| opkt.destruct= av_destruct_packet; |
| } else { |
| opkt.data = data_buf; |
| opkt.size = data_size; |
| } |
| |
| if (os->oformat->flags & AVFMT_RAWPICTURE) { |
| /* store AVPicture in AVPacket, as expected by the output format */ |
| avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height); |
| opkt.data = (uint8_t *)&pict; |
| opkt.size = sizeof(AVPicture); |
| opkt.flags |= AV_PKT_FLAG_KEY; |
| } |
| write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters); |
| ost->st->codec->frame_number++; |
| ost->frame_number++; |
| av_free_packet(&opkt); |
| } |
| #if CONFIG_AVFILTER |
| cont: |
| frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) && |
| ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]); |
| avfilter_unref_buffer(ost->picref); |
| } |
| #endif |
| } |
| } |
| |
| av_free(buffer_to_free); |
| /* XXX: allocate the subtitles in the codec ? */ |
| if (subtitle_to_free) { |
| avsubtitle_free(subtitle_to_free); |
| subtitle_to_free = NULL; |
| } |
| } |
| discard_packet: |
| if (pkt == NULL) { |
| /* EOF handling */ |
| |
| for(i=0;i<nb_ostreams;i++) { |
| ost = ost_table[i]; |
| if (ost->source_index == ist_index) { |
| AVCodecContext *enc= ost->st->codec; |
| os = output_files[ost->file_index]; |
| |
| if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1) |
| continue; |
| if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE)) |
| continue; |
| |
| if (ost->encoding_needed) { |
| for(;;) { |
| AVPacket pkt; |
| int fifo_bytes; |
| av_init_packet(&pkt); |
| pkt.stream_index= ost->index; |
| |
| switch(ost->st->codec->codec_type) { |
| case AVMEDIA_TYPE_AUDIO: |
| fifo_bytes = av_fifo_size(ost->fifo); |
| ret = 0; |
| /* encode any samples remaining in fifo */ |
| if (fifo_bytes > 0) { |
| int osize = av_get_bytes_per_sample(enc->sample_fmt); |
| int fs_tmp = enc->frame_size; |
| |
| av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL); |
| if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) { |
| enc->frame_size = fifo_bytes / (osize * enc->channels); |
| } else { /* pad */ |
| int frame_bytes = enc->frame_size*osize*enc->channels; |
| if (allocated_audio_buf_size < frame_bytes) |
| ffmpeg_exit(1); |
| generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes); |
| } |
| |
| ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf); |
| pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den, |
| ost->st->time_base.num, enc->sample_rate); |
| enc->frame_size = fs_tmp; |
| } |
| if(ret <= 0) { |
| ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL); |
| } |
| if (ret < 0) { |
| fprintf(stderr, "Audio encoding failed\n"); |
| ffmpeg_exit(1); |
| } |
| audio_size += ret; |
| pkt.flags |= AV_PKT_FLAG_KEY; |
| break; |
| case AVMEDIA_TYPE_VIDEO: |
| ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL); |
| if (ret < 0) { |
| fprintf(stderr, "Video encoding failed\n"); |
| ffmpeg_exit(1); |
| } |
| video_size += ret; |
| if(enc->coded_frame && enc->coded_frame->key_frame) |
| pkt.flags |= AV_PKT_FLAG_KEY; |
| if (ost->logfile && enc->stats_out) { |
| fprintf(ost->logfile, "%s", enc->stats_out); |
| } |
| break; |
| default: |
| ret=-1; |
| } |
| |
| if(ret<=0) |
| break; |
| pkt.data= bit_buffer; |
| pkt.size= ret; |
| if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE) |
| pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base); |
| write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters); |
| } |
| } |
| } |
| } |
| } |
| |
| return 0; |
| fail_decode: |
| return -1; |
| } |
| |
| static void print_sdp(AVFormatContext **avc, int n) |
| { |
| char sdp[2048]; |
| |
| av_sdp_create(avc, n, sdp, sizeof(sdp)); |
| printf("SDP:\n%s\n", sdp); |
| fflush(stdout); |
| } |
| |
| static int copy_chapters(int infile, int outfile) |
| { |
| AVFormatContext *is = input_files[infile].ctx; |
| AVFormatContext *os = output_files[outfile]; |
| int i; |
| |
| for (i = 0; i < is->nb_chapters; i++) { |
| AVChapter *in_ch = is->chapters[i], *out_ch; |
| int64_t ts_off = av_rescale_q(start_time - input_files_ts_offset[infile], |
| AV_TIME_BASE_Q, in_ch->time_base); |
| int64_t rt = (recording_time == INT64_MAX) ? INT64_MAX : |
| av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base); |
| |
| |
| if (in_ch->end < ts_off) |
| continue; |
| if (rt != INT64_MAX && in_ch->start > rt + ts_off) |
| break; |
| |
| out_ch = av_mallocz(sizeof(AVChapter)); |
| if (!out_ch) |
| return AVERROR(ENOMEM); |
| |
| out_ch->id = in_ch->id; |
| out_ch->time_base = in_ch->time_base; |
| out_ch->start = FFMAX(0, in_ch->start - ts_off); |
| out_ch->end = FFMIN(rt, in_ch->end - ts_off); |
| |
| if (metadata_chapters_autocopy) |
| av_dict_copy(&out_ch->metadata, in_ch->metadata, 0); |
| |
| os->nb_chapters++; |
| os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters); |
| if (!os->chapters) |
| return AVERROR(ENOMEM); |
| os->chapters[os->nb_chapters - 1] = out_ch; |
| } |
| return 0; |
| } |
| |
| static void parse_forced_key_frames(char *kf, AVOutputStream *ost, |
| AVCodecContext *avctx) |
| { |
| char *p; |
| int n = 1, i; |
| int64_t t; |
| |
| for (p = kf; *p; p++) |
| if (*p == ',') |
| n++; |
| ost->forced_kf_count = n; |
| ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n); |
| if (!ost->forced_kf_pts) { |
| av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n"); |
| ffmpeg_exit(1); |
| } |
| for (i = 0; i < n; i++) { |
| p = i ? strchr(p, ',') + 1 : kf; |
| t = parse_time_or_die("force_key_frames", p, 1); |
| ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base); |
| } |
| } |
| |
| /* |
| * The following code is the main loop of the file converter |
| */ |
| static int transcode(AVFormatContext **output_files, |
| int nb_output_files, |
| AVInputFile *input_files, |
| int nb_input_files, |
| AVStreamMap *stream_maps, int nb_stream_maps) |
| { |
| int ret = 0, i, j, k, n, nb_ostreams = 0, step; |
| |
| AVFormatContext *is, *os; |
| AVCodecContext *codec, *icodec; |
| AVOutputStream *ost, **ost_table = NULL; |
| AVInputStream *ist; |
| char error[1024]; |
| int key; |
| int want_sdp = 1; |
| uint8_t no_packet[MAX_FILES]={0}; |
| int no_packet_count=0; |
| int nb_frame_threshold[AVMEDIA_TYPE_NB]={0}; |
| int nb_streams[AVMEDIA_TYPE_NB]={0}; |
| |
| if (rate_emu) |
| for (i = 0; i < nb_input_streams; i++) |
| input_streams[i].start = av_gettime(); |
| |
| /* output stream init */ |
| nb_ostreams = 0; |
| for(i=0;i<nb_output_files;i++) { |
| os = output_files[i]; |
| if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) { |
| av_dump_format(output_files[i], i, output_files[i]->filename, 1); |
| fprintf(stderr, "Output file #%d does not contain any stream\n", i); |
| ret = AVERROR(EINVAL); |
| goto fail; |
| } |
| nb_ostreams += os->nb_streams; |
| } |
| if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) { |
| fprintf(stderr, "Number of stream maps must match number of output streams\n"); |
| ret = AVERROR(EINVAL); |
| goto fail; |
| } |
| |
| /* Sanity check the mapping args -- do the input files & streams exist? */ |
| for(i=0;i<nb_stream_maps;i++) { |
| int fi = stream_maps[i].file_index; |
| int si = stream_maps[i].stream_index; |
| |
| if (fi < 0 || fi > nb_input_files - 1 || |
| si < 0 || si > input_files[fi].nb_streams - 1) { |
| fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si); |
| ret = AVERROR(EINVAL); |
| goto fail; |
| } |
| fi = stream_maps[i].sync_file_index; |
| si = stream_maps[i].sync_stream_index; |
| if (fi < 0 || fi > nb_input_files - 1 || |
| si < 0 || si > input_files[fi].nb_streams - 1) { |
| fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si); |
| ret = AVERROR(EINVAL); |
| goto fail; |
| } |
| } |
| |
| ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams); |
| if (!ost_table) |
| goto fail; |
| |
| for(k=0;k<nb_output_files;k++) { |
| os = output_files[k]; |
| for(i=0;i<os->nb_streams;i++,n++) { |
| nb_streams[os->streams[i]->codec->codec_type]++; |
| } |
| } |
| for(step=1<<30; step; step>>=1){ |
| int found_streams[AVMEDIA_TYPE_NB]={0}; |
| for(j=0; j<AVMEDIA_TYPE_NB; j++) |
| nb_frame_threshold[j] += step; |
| |
| for(j=0; j<nb_input_streams; j++) { |
| int skip=0; |
| ist = &input_streams[j]; |
| if(opt_programid){ |
| int pi,si; |
| AVFormatContext *f= input_files[ ist->file_index ].ctx; |
| skip=1; |
| for(pi=0; pi<f->nb_programs; pi++){ |
| AVProgram *p= f->programs[pi]; |
| if(p->id == opt_programid) |
| for(si=0; si<p->nb_stream_indexes; si++){ |
| if(f->streams[ p->stream_index[si] ] == ist->st) |
| skip=0; |
| } |
| } |
| } |
| if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip |
| && nb_frame_threshold[ist->st->codec->codec_type] <= ist->st->codec_info_nb_frames){ |
| found_streams[ist->st->codec->codec_type]++; |
| } |
| } |
| for(j=0; j<AVMEDIA_TYPE_NB; j++) |
| if(found_streams[j] < nb_streams[j]) |
| nb_frame_threshold[j] -= step; |
| } |
| n = 0; |
| for(k=0;k<nb_output_files;k++) { |
| os = output_files[k]; |
| for(i=0;i<os->nb_streams;i++,n++) { |
| int found; |
| ost = ost_table[n] = output_streams_for_file[k][i]; |
| ost->st = os->streams[i]; |
| if (nb_stream_maps > 0) { |
| ost->source_index = input_files[stream_maps[n].file_index].ist_index + |
| stream_maps[n].stream_index; |
| |
| /* Sanity check that the stream types match */ |
| if (input_streams[ost->source_index].st->codec->codec_type != ost->st->codec->codec_type) { |
| int i= ost->file_index; |
| av_dump_format(output_files[i], i, output_files[i]->filename, 1); |
| fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n", |
| stream_maps[n].file_index, stream_maps[n].stream_index, |
| ost->file_index, ost->index); |
| ffmpeg_exit(1); |
| } |
| |
| } else { |
| /* get corresponding input stream index : we select the first one with the right type */ |
| found = 0; |
| for (j = 0; j < nb_input_streams; j++) { |
| int skip=0; |
| ist = &input_streams[j]; |
| if(opt_programid){ |
| int pi,si; |
| AVFormatContext *f = input_files[ist->file_index].ctx; |
| skip=1; |
| for(pi=0; pi<f->nb_programs; pi++){ |
| AVProgram *p= f->programs[pi]; |
| if(p->id == opt_programid) |
| for(si=0; si<p->nb_stream_indexes; si++){ |
| if(f->streams[ p->stream_index[si] ] == ist->st) |
| skip=0; |
| } |
| } |
| } |
| if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip && |
| ist->st->codec->codec_type == ost->st->codec->codec_type && |
| nb_frame_threshold[ist->st->codec->codec_type] <= ist->st->codec_info_nb_frames) { |
| ost->source_index = j; |
| found = 1; |
| break; |
| } |
| } |
| |
| if (!found) { |
| if(! opt_programid) { |
| /* try again and reuse existing stream */ |
| for (j = 0; j < nb_input_streams; j++) { |
| ist = &input_streams[j]; |
| if ( ist->st->codec->codec_type == ost->st->codec->codec_type |
| && ist->st->discard != AVDISCARD_ALL) { |
| ost->source_index = j; |
| found = 1; |
| } |
| } |
| } |
| if (!found) { |
| int i= ost->file_index; |
| av_dump_format(output_files[i], i, output_files[i]->filename, 1); |
| fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n", |
| ost->file_index, ost->index); |
| ffmpeg_exit(1); |
| } |
| } |
| } |
| ist = &input_streams[ost->source_index]; |
| ist->discard = 0; |
| ost->sync_ist = (nb_stream_maps > 0) ? |
| &input_streams[input_files[stream_maps[n].sync_file_index].ist_index + |
| stream_maps[n].sync_stream_index] : ist; |
| } |
| } |
| |
| /* for each output stream, we compute the right encoding parameters */ |
| for(i=0;i<nb_ostreams;i++) { |
| ost = ost_table[i]; |
| os = output_files[ost->file_index]; |
| ist = &input_streams[ost->source_index]; |
| |
| codec = ost->st->codec; |
| icodec = ist->st->codec; |
| |
| if (metadata_streams_autocopy) |
| av_dict_copy(&ost->st->metadata, ist->st->metadata, |
| AV_DICT_DONT_OVERWRITE); |
| |
| ost->st->disposition = ist->st->disposition; |
| codec->bits_per_raw_sample= icodec->bits_per_raw_sample; |
| codec->chroma_sample_location = icodec->chroma_sample_location; |
| |
| if (ost->st->stream_copy) { |
| uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE; |
| |
| if (extra_size > INT_MAX) |
| goto fail; |
| |
| /* if stream_copy is selected, no need to decode or encode */ |
| codec->codec_id = icodec->codec_id; |
| codec->codec_type = icodec->codec_type; |
| |
| if(!codec->codec_tag){ |
| if( !os->oformat->codec_tag |
| || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id |
| || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0) |
| codec->codec_tag = icodec->codec_tag; |
| } |
| |
| codec->bit_rate = icodec->bit_rate; |
| codec->rc_max_rate = icodec->rc_max_rate; |
| codec->rc_buffer_size = icodec->rc_buffer_size; |
| codec->extradata= av_mallocz(extra_size); |
| if (!codec->extradata) |
| goto fail; |
| memcpy(codec->extradata, icodec->extradata, icodec->extradata_size); |
| codec->extradata_size= icodec->extradata_size; |
| if(!copy_tb && av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/500){ |
| codec->time_base = icodec->time_base; |
| codec->time_base.num *= icodec->ticks_per_frame; |
| av_reduce(&codec->time_base.num, &codec->time_base.den, |
| codec->time_base.num, codec->time_base.den, INT_MAX); |
| }else |
| codec->time_base = ist->st->time_base; |
| switch(codec->codec_type) { |
| case AVMEDIA_TYPE_AUDIO: |
| if(audio_volume != 256) { |
| fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n"); |
| ffmpeg_exit(1); |
| } |
| codec->channel_layout = icodec->channel_layout; |
| codec->sample_rate = icodec->sample_rate; |
| codec->channels = icodec->channels; |
| codec->frame_size = icodec->frame_size; |
| codec->audio_service_type = icodec->audio_service_type; |
| codec->block_align= icodec->block_align; |
| if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3) |
| codec->block_align= 0; |
| if(codec->codec_id == CODEC_ID_AC3) |
| codec->block_align= 0; |
| break; |
| case AVMEDIA_TYPE_VIDEO: |
| codec->pix_fmt = icodec->pix_fmt; |
| codec->width = icodec->width; |
| codec->height = icodec->height; |
| codec->has_b_frames = icodec->has_b_frames; |
| if (!codec->sample_aspect_ratio.num) { |
| codec->sample_aspect_ratio = |
| ost->st->sample_aspect_ratio = |
| ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio : |
| ist->st->codec->sample_aspect_ratio.num ? |
| ist->st->codec->sample_aspect_ratio : (AVRational){0, 1}; |
| } |
| break; |
| case AVMEDIA_TYPE_SUBTITLE: |
| codec->width = icodec->width; |
| codec->height = icodec->height; |
| break; |
| case AVMEDIA_TYPE_DATA: |
| break; |
| default: |
| abort(); |
| } |
| } else { |
| if (!ost->enc) |
| ost->enc = avcodec_find_encoder(ost->st->codec->codec_id); |
| switch(codec->codec_type) { |
| case AVMEDIA_TYPE_AUDIO: |
| ost->fifo= av_fifo_alloc(1024); |
| if(!ost->fifo) |
| goto fail; |
| ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE); |
| if (!codec->sample_rate) { |
| codec->sample_rate = icodec->sample_rate; |
| if (icodec->lowres) |
| codec->sample_rate >>= icodec->lowres; |
| } |
| choose_sample_rate(ost->st, ost->enc); |
| codec->time_base = (AVRational){1, codec->sample_rate}; |
| if (!codec->channels) |
| codec->channels = icodec->channels; |
| if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels) |
| codec->channel_layout = 0; |
| ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1; |
| icodec->request_channels = codec->channels; |
| ist->decoding_needed = 1; |
| ost->encoding_needed = 1; |
| ost->resample_sample_fmt = icodec->sample_fmt; |
| ost->resample_sample_rate = icodec->sample_rate; |
| ost->resample_channels = icodec->channels; |
| break; |
| case AVMEDIA_TYPE_VIDEO: |
| if (codec->pix_fmt == PIX_FMT_NONE) |
| codec->pix_fmt = icodec->pix_fmt; |
| choose_pixel_fmt(ost->st, ost->enc); |
| |
| if (ost->st->codec->pix_fmt == PIX_FMT_NONE) { |
| fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n"); |
| ffmpeg_exit(1); |
| } |
| |
| if (!codec->width || !codec->height) { |
| codec->width = icodec->width; |
| codec->height = icodec->height; |
| } |
| |
| ost->video_resample = codec->width != icodec->width || |
| codec->height != icodec->height || |
| codec->pix_fmt != icodec->pix_fmt; |
| if (ost->video_resample) { |
| codec->bits_per_raw_sample= frame_bits_per_raw_sample; |
| } |
| |
| ost->resample_height = icodec->height; |
| ost->resample_width = icodec->width; |
| ost->resample_pix_fmt= icodec->pix_fmt; |
| ost->encoding_needed = 1; |
| ist->decoding_needed = 1; |
| |
| if (!ost->frame_rate.num) |
| ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1}; |
| if (ost->enc && ost->enc->supported_framerates && !force_fps) { |
| int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates); |
| ost->frame_rate = ost->enc->supported_framerates[idx]; |
| } |
| codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num}; |
| if( av_q2d(codec->time_base) < 0.001 && video_sync_method |
| && (video_sync_method==1 || (video_sync_method<0 && !(os->oformat->flags & AVFMT_VARIABLE_FPS)))){ |
| av_log(os, AV_LOG_WARNING, "Frame rate very high for a muxer not effciciently supporting it.\n" |
| "Please consider specifiying a lower framerate, a different muxer or -vsync 2\n"); |
| } |
| |
| #if CONFIG_AVFILTER |
| if (configure_video_filters(ist, ost)) { |
| fprintf(stderr, "Error opening filters!\n"); |
| exit(1); |
| } |
| #endif |
| break; |
| case AVMEDIA_TYPE_SUBTITLE: |
| ost->encoding_needed = 1; |
| ist->decoding_needed = 1; |
| break; |
| default: |
| abort(); |
| break; |
| } |
| /* two pass mode */ |
| if (ost->encoding_needed && codec->codec_id != CODEC_ID_H264 && |
| (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) { |
| char logfilename[1024]; |
| FILE *f; |
| |
| snprintf(logfilename, sizeof(logfilename), "%s-%d.log", |
| pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX, |
| i); |
| if (codec->flags & CODEC_FLAG_PASS1) { |
| f = fopen(logfilename, "wb"); |
| if (!f) { |
| fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno)); |
| ffmpeg_exit(1); |
| } |
| ost->logfile = f; |
| } else { |
| char *logbuffer; |
| size_t logbuffer_size; |
| if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) { |
| fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename); |
| ffmpeg_exit(1); |
| } |
| codec->stats_in = logbuffer; |
| } |
| } |
| } |
| if(codec->codec_type == AVMEDIA_TYPE_VIDEO){ |
| /* maximum video buffer size is 6-bytes per pixel, plus DPX header size (1664)*/ |
| int size= codec->width * codec->height; |
| bit_buffer_size= FFMAX(bit_buffer_size, 7*size + 10000); |
| } |
| } |
| |
| if (!bit_buffer) |
| bit_buffer = av_malloc(bit_buffer_size); |
| if (!bit_buffer) { |
| fprintf(stderr, "Cannot allocate %d bytes output buffer\n", |
| bit_buffer_size); |
| ret = AVERROR(ENOMEM); |
| goto fail; |
| } |
| |
| /* open each encoder */ |
| for(i=0;i<nb_ostreams;i++) { |
| ost = ost_table[i]; |
| if (ost->encoding_needed) { |
| AVCodec *codec = ost->enc; |
| AVCodecContext *dec = input_streams[ost->source_index].st->codec; |
| if (!codec) { |
| snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d", |
| ost->st->codec->codec_id, ost->file_index, ost->index); |
| ret = AVERROR(EINVAL); |
| goto dump_format; |
| } |
| if (dec->subtitle_header) { |
| ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size); |
| if (!ost->st->codec->subtitle_header) { |
| ret = AVERROR(ENOMEM); |
| goto dump_format; |
| } |
| memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size); |
| ost->st->codec->subtitle_header_size = dec->subtitle_header_size; |
| } |
| if (avcodec_open(ost->st->codec, codec) < 0) { |
| snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height", |
| ost->file_index, ost->index); |
| ret = AVERROR(EINVAL); |
| goto dump_format; |
| } |
| extra_size += ost->st->codec->extradata_size; |
| } |
| } |
| |
| /* open each decoder */ |
| for (i = 0; i < nb_input_streams; i++) { |
| ist = &input_streams[i]; |
| if (ist->decoding_needed) { |
| AVCodec *codec = i < nb_input_codecs ? input_codecs[i] : NULL; |
| if (!codec) |
| codec = avcodec_find_decoder(ist->st->codec->codec_id); |
| if (!codec) { |
| snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d", |
| ist->st->codec->codec_id, ist->file_index, ist->st->index); |
| ret = AVERROR(EINVAL); |
| goto dump_format; |
| } |
| if (avcodec_open(ist->st->codec, codec) < 0) { |
| snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d", |
| ist->file_index, ist->st->index); |
| ret = AVERROR(EINVAL); |
| goto dump_format; |
| } |
| //if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) |
| // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD; |
| } |
| } |
| |
| /* init pts */ |
| for (i = 0; i < nb_input_streams; i++) { |
| AVStream *st; |
| ist = &input_streams[i]; |
| st= ist->st; |
| ist->pts = st->avg_frame_rate.num ? - st->codec->has_b_frames*AV_TIME_BASE / av_q2d(st->avg_frame_rate) : 0; |
| ist->next_pts = AV_NOPTS_VALUE; |
| ist->is_start = 1; |
| } |
| |
| /* set meta data information from input file if required */ |
| for (i=0;i<nb_meta_data_maps;i++) { |
| AVFormatContext *files[2]; |
| AVDictionary **meta[2]; |
| int j; |
| |
| #define METADATA_CHECK_INDEX(index, nb_elems, desc)\ |
| if ((index) < 0 || (index) >= (nb_elems)) {\ |
| snprintf(error, sizeof(error), "Invalid %s index %d while processing metadata maps\n",\ |
| (desc), (index));\ |
| ret = AVERROR(EINVAL);\ |
| goto dump_format;\ |
| } |
| |
| int out_file_index = meta_data_maps[i][0].file; |
| int in_file_index = meta_data_maps[i][1].file; |
| if (in_file_index < 0 || out_file_index < 0) |
| continue; |
| METADATA_CHECK_INDEX(out_file_index, nb_output_files, "output file") |
| METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file") |
| |
| files[0] = output_files[out_file_index]; |
| files[1] = input_files[in_file_index].ctx; |
| |
| for (j = 0; j < 2; j++) { |
| AVMetaDataMap *map = &meta_data_maps[i][j]; |
| |
| switch (map->type) { |
| case 'g': |
| meta[j] = &files[j]->metadata; |
| break; |
| case 's': |
| METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream") |
| meta[j] = &files[j]->streams[map->index]->metadata; |
| break; |
| case 'c': |
| METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter") |
| meta[j] = &files[j]->chapters[map->index]->metadata; |
| break; |
| case 'p': |
| METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program") |
| meta[j] = &files[j]->programs[map->index]->metadata; |
| break; |
| } |
| } |
| |
| av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE); |
| } |
| |
| /* copy global metadata by default */ |
| if (metadata_global_autocopy) { |
| |
| for (i = 0; i < nb_output_files; i++) |
| av_dict_copy(&output_files[i]->metadata, input_files[0].ctx->metadata, |
| AV_DICT_DONT_OVERWRITE); |
| } |
| |
| /* copy chapters according to chapter maps */ |
| for (i = 0; i < nb_chapter_maps; i++) { |
| int infile = chapter_maps[i].in_file; |
| int outfile = chapter_maps[i].out_file; |
| |
| if (infile < 0 || outfile < 0) |
| continue; |
| if (infile >= nb_input_files) { |
| snprintf(error, sizeof(error), "Invalid input file index %d in chapter mapping.\n", infile); |
| ret = AVERROR(EINVAL); |
| goto dump_format; |
| } |
| if (outfile >= nb_output_files) { |
| snprintf(error, sizeof(error), "Invalid output file index %d in chapter mapping.\n",outfile); |
| ret = AVERROR(EINVAL); |
| goto dump_format; |
| } |
| copy_chapters(infile, outfile); |
| } |
| |
| /* copy chapters from the first input file that has them*/ |
| if (!nb_chapter_maps) |
| for (i = 0; i < nb_input_files; i++) { |
| if (!input_files[i].ctx->nb_chapters) |
| continue; |
| |
| for (j = 0; j < nb_output_files; j++) |
| if ((ret = copy_chapters(i, j)) < 0) |
| goto dump_format; |
| break; |
| } |
| |
| /* open files and write file headers */ |
| for(i=0;i<nb_output_files;i++) { |
| os = output_files[i]; |
| if (av_write_header(os) < 0) { |
| snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i); |
| ret = AVERROR(EINVAL); |
| goto dump_format; |
| } |
| if (strcmp(output_files[i]->oformat->name, "rtp")) { |
| want_sdp = 0; |
| } |
| } |
| |
| dump_format: |
| /* dump the file output parameters - cannot be done before in case |
| of stream copy */ |
| for(i=0;i<nb_output_files;i++) { |
| av_dump_format(output_files[i], i, output_files[i]->filename, 1); |
| } |
| |
| /* dump the stream mapping */ |
| if (verbose >= 0) { |
| fprintf(stderr, "Stream mapping:\n"); |
| for(i=0;i<nb_ostreams;i++) { |
| ost = ost_table[i]; |
| fprintf(stderr, " Stream #%d.%d -> #%d.%d", |
| input_streams[ost->source_index].file_index, |
| input_streams[ost->source_index].st->index, |
| ost->file_index, |
| ost->index); |
| if (ost->sync_ist != &input_streams[ost->source_index]) |
| fprintf(stderr, " [sync #%d.%d]", |
| ost->sync_ist->file_index, |
| ost->sync_ist->st->index); |
| fprintf(stderr, "\n"); |
| } |
| } |
| |
| if (ret) { |
| fprintf(stderr, "%s\n", error); |
| goto fail; |
| } |
| |
| if (want_sdp) { |
| print_sdp(output_files, nb_output_files); |
| } |
| |
| if (!using_stdin) { |
| if(verbose >= 0) |
| fprintf(stderr, "Press [q] to stop, [?] for help\n"); |
| avio_set_interrupt_cb(decode_interrupt_cb); |
| } |
| term_init(); |
| |
| timer_start = av_gettime(); |
| |
| for(; received_sigterm == 0;) { |
| int file_index, ist_index; |
| AVPacket pkt; |
| double ipts_min; |
| double opts_min; |
| |
| redo: |
| ipts_min= 1e100; |
| opts_min= 1e100; |
| /* if 'q' pressed, exits */ |
| if (!using_stdin) { |
| if (q_pressed) |
| break; |
| /* read_key() returns 0 on EOF */ |
| key = read_key(); |
| if (key == 'q') |
| break; |
| if (key == '+') verbose++; |
| if (key == '-') verbose--; |
| if (key == 's') qp_hist ^= 1; |
| if (key == 'h'){ |
| if (do_hex_dump){ |
| do_hex_dump = do_pkt_dump = 0; |
| } else if(do_pkt_dump){ |
| do_hex_dump = 1; |
| } else |
| do_pkt_dump = 1; |
| av_log_set_level(AV_LOG_DEBUG); |
| } |
| if (key == 'd' || key == 'D'){ |
| int debug=0; |
| if(key == 'D') { |
| debug = input_streams[0].st->codec->debug<<1; |
| if(!debug) debug = 1; |
| while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash |
| debug += debug; |
| }else |
| scanf("%d", &debug); |
| for(i=0;i<nb_input_streams;i++) { |
| input_streams[i].st->codec->debug = debug; |
| } |
| for(i=0;i<nb_ostreams;i++) { |
| ost = ost_table[i]; |
| ost->st->codec->debug = debug; |
| } |
| if(debug) av_log_set_level(AV_LOG_DEBUG); |
| fprintf(stderr,"debug=%d\n", debug); |
| } |
| if (key == '?'){ |
| fprintf(stderr, "key function\n" |
| "? show this help\n" |
| "+ increase verbosity\n" |
| "- decrease verbosity\n" |
| "D cycle through available debug modes\n" |
| "h dump packets/hex press to cycle through the 3 states\n" |
| "q quit\n" |
| "s Show QP histogram\n" |
| ); |
| } |
| } |
| |
| /* select the stream that we must read now by looking at the |
| smallest output pts */ |
| file_index = -1; |
| for(i=0;i<nb_ostreams;i++) { |
| double ipts, opts; |
| ost = ost_table[i]; |
| os = output_files[ost->file_index]; |
| ist = &input_streams[ost->source_index]; |
| if(ist->is_past_recording_time || no_packet[ist->file_index]) |
| continue; |
| opts = ost->st->pts.val * av_q2d(ost->st->time_base); |
| ipts = (double)ist->pts; |
| if (!input_files[ist->file_index].eof_reached){ |
| if(ipts < ipts_min) { |
| ipts_min = ipts; |
| if(input_sync ) file_index = ist->file_index; |
| } |
| if(opts < opts_min) { |
| opts_min = opts; |
| if(!input_sync) file_index = ist->file_index; |
| } |
| } |
| if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){ |
| file_index= -1; |
| break; |
| } |
| } |
| /* if none, if is finished */ |
| if (file_index < 0) { |
| if(no_packet_count){ |
| no_packet_count=0; |
| memset(no_packet, 0, sizeof(no_packet)); |
| usleep(10000); |
| continue; |
| } |
| break; |
| } |
| |
| /* finish if limit size exhausted */ |
| if (limit_filesize != 0 && limit_filesize <= avio_tell(output_files[0]->pb)) |
| break; |
| |
| /* read a frame from it and output it in the fifo */ |
| is = input_files[file_index].ctx; |
| ret= av_read_frame(is, &pkt); |
| if(ret == AVERROR(EAGAIN)){ |
| no_packet[file_index]=1; |
| no_packet_count++; |
| continue; |
| } |
| if (ret < 0) { |
| input_files[file_index].eof_reached = 1; |
| if (opt_shortest) |
| break; |
| else |
| continue; |
| } |
| |
| no_packet_count=0; |
| memset(no_packet, 0, sizeof(no_packet)); |
| |
| if (do_pkt_dump) { |
| av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump, |
| is->streams[pkt.stream_index]); |
| } |
| /* the following test is needed in case new streams appear |
| dynamically in stream : we ignore them */ |
| if (pkt.stream_index >= input_files[file_index].nb_streams) |
| goto discard_packet; |
| ist_index = input_files[file_index].ist_index + pkt.stream_index; |
| ist = &input_streams[ist_index]; |
| if (ist->discard) |
| goto discard_packet; |
| |
| if (pkt.dts != AV_NOPTS_VALUE) |
| pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base); |
| if (pkt.pts != AV_NOPTS_VALUE) |
| pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base); |
| |
| if (pkt.stream_index < nb_input_files_ts_scale[file_index] |
| && input_files_ts_scale[file_index][pkt.stream_index]){ |
| if(pkt.pts != AV_NOPTS_VALUE) |
| pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index]; |
| if(pkt.dts != AV_NOPTS_VALUE) |
| pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index]; |
| } |
| |
| // fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n", ist->next_pts, pkt.dts, input_files_ts_offset[ist->file_index], ist->st->codec->codec_type); |
| if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE |
| && (is->iformat->flags & AVFMT_TS_DISCONT)) { |
| int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q); |
| int64_t delta= pkt_dts - ist->next_pts; |
| if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){ |
| input_files_ts_offset[ist->file_index]-= delta; |
| if (verbose > 2) |
| fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]); |
| pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base); |
| if(pkt.pts != AV_NOPTS_VALUE) |
| pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base); |
| } |
| } |
| |
| /* finish if recording time exhausted */ |
| if (recording_time != INT64_MAX && |
| (pkt.pts != AV_NOPTS_VALUE ? |
| av_compare_ts(pkt.pts, ist->st->time_base, recording_time + start_time, (AVRational){1, 1000000}) |
| : |
| av_compare_ts(ist->pts, AV_TIME_BASE_Q, recording_time + start_time, (AVRational){1, 1000000}) |
| )>= 0) { |
| ist->is_past_recording_time = 1; |
| goto discard_packet; |
| } |
| |
| //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size); |
| if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) { |
| |
| if (verbose >= 0) |
| fprintf(stderr, "Error while decoding stream #%d.%d\n", |
| ist->file_index, ist->st->index); |
| if (exit_on_error) |
| ffmpeg_exit(1); |
| av_free_packet(&pkt); |
| goto redo; |
| } |
| |
| discard_packet: |
| av_free_packet(&pkt); |
| |
| /* dump report by using the output first video and audio streams */ |
| print_report(output_files, ost_table, nb_ostreams, 0); |
| } |
| |
| /* at the end of stream, we must flush the decoder buffers */ |
| for (i = 0; i < nb_input_streams; i++) { |
| ist = &input_streams[i]; |
| if (ist->decoding_needed) { |
| output_packet(ist, i, ost_table, nb_ostreams, NULL); |
| } |
| } |
| |
| term_exit(); |
| |
| /* write the trailer if needed and close file */ |
| for(i=0;i<nb_output_files;i++) { |
| os = output_files[i]; |
| av_write_trailer(os); |
| } |
| |
| /* dump report by using the first video and audio streams */ |
| print_report(output_files, ost_table, nb_ostreams, 1); |
| |
| /* close each encoder */ |
| for(i=0;i<nb_ostreams;i++) { |
| ost = ost_table[i]; |
| if (ost->encoding_needed) { |
| av_freep(&ost->st->codec->stats_in); |
| avcodec_close(ost->st->codec); |
| } |
| #if CONFIG_AVFILTER |
| avfilter_graph_free(&ost->graph); |
| #endif |
| } |
| |
| /* close each decoder */ |
| for (i = 0; i < nb_input_streams; i++) { |
| ist = &input_streams[i]; |
| if (ist->decoding_needed) { |
| avcodec_close(ist->st->codec); |
| } |
| } |
| |
| /* finished ! */ |
| ret = 0; |
| |
| fail: |
| av_freep(&bit_buffer); |
| |
| if (ost_table) { |
| for(i=0;i<nb_ostreams;i++) { |
| ost = ost_table[i]; |
| if (ost) { |
| if (ost->st->stream_copy) |
| av_freep(&ost->st->codec->extradata); |
| if (ost->logfile) { |
| fclose(ost->logfile); |
| ost->logfile = NULL; |
| } |
| av_fifo_free(ost->fifo); /* works even if fifo is not |
| initialized but set to zero */ |
| av_freep(&ost->st->codec->subtitle_header); |
| av_free(ost->resample_frame.data[0]); |
| av_free(ost->forced_kf_pts); |
| if (ost->video_resample) |
| sws_freeContext(ost->img_resample_ctx); |
| if (ost->resample) |
| audio_resample_close(ost->resample); |
| if (ost->reformat_ctx) |
| av_audio_convert_free(ost->reformat_ctx); |
| av_free(ost); |
| } |
| } |
| av_free(ost_table); |
| } |
| return ret; |
| } |
| |
| static int opt_format(const char *opt, const char *arg) |
| { |
| last_asked_format = arg; |
| return 0; |
| } |
| |
| static int opt_video_rc_override_string(const char *opt, const char *arg) |
| { |
| video_rc_override_string = arg; |
| return 0; |
| } |
| |
| static int opt_me_threshold(const char *opt, const char *arg) |
| { |
| me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX); |
| return 0; |
| } |
| |
| static int opt_verbose(const char *opt, const char *arg) |
| { |
| verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10); |
| return 0; |
| } |
| |
| static int opt_frame_rate(const char *opt, const char *arg) |
| { |
| if (av_parse_video_rate(&frame_rate, arg) < 0) { |
| fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg); |
| ffmpeg_exit(1); |
| } |
| return 0; |
| } |
| |
| static int opt_bitrate(const char *opt, const char *arg) |
| { |
| int codec_type = opt[0]=='a' ? AVMEDIA_TYPE_AUDIO : AVMEDIA_TYPE_VIDEO; |
| |
| opt_default(opt, arg); |
| |
| if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000) |
| fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n"); |
| |
| return 0; |
| } |
| |
| static int opt_frame_crop(const char *opt, const char *arg) |
| { |
| fprintf(stderr, "Option '%s' has been removed, use the crop filter instead\n", opt); |
| return AVERROR(EINVAL); |
| } |
| |
| static int opt_frame_size(const char *opt, const char *arg) |
| { |
| if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) { |
| fprintf(stderr, "Incorrect frame size\n"); |
| return AVERROR(EINVAL); |
| } |
| return 0; |
| } |
| |
| static int opt_pad(const char *opt, const char *arg) { |
| fprintf(stderr, "Option '%s' has been removed, use the pad filter instead\n", opt); |
| return -1; |
| } |
| |
| static int opt_frame_pix_fmt(const char *opt, const char *arg) |
| { |
| if (strcmp(arg, "list")) { |
| frame_pix_fmt = av_get_pix_fmt(arg); |
| if (frame_pix_fmt == PIX_FMT_NONE) { |
| fprintf(stderr, "Unknown pixel format requested: %s\n", arg); |
| return AVERROR(EINVAL); |
| } |
| } else { |
| opt_pix_fmts(NULL, NULL); |
| ffmpeg_exit(0); |
| } |
| return 0; |
| } |
| |
| static int opt_frame_aspect_ratio(const char *opt, const char *arg) |
| { |
| int x = 0, y = 0; |
| double ar = 0; |
| const char *p; |
| char *end; |
| |
| p = strchr(arg, ':'); |
| if (p) { |
| x = strtol(arg, &end, 10); |
| if (end == p) |
| y = strtol(end+1, &end, 10); |
| if (x > 0 && y > 0) |
| ar = (double)x / (double)y; |
| } else |
| ar = strtod(arg, NULL); |
| |
| if (!ar) { |
| fprintf(stderr, "Incorrect aspect ratio specification.\n"); |
| return AVERROR(EINVAL); |
| } |
| frame_aspect_ratio = ar; |
| return 0; |
| } |
| |
| static int opt_metadata(const char *opt, const char *arg) |
| { |
| char *mid= strchr(arg, '='); |
| |
| if(!mid){ |
| fprintf(stderr, "Missing =\n"); |
| ffmpeg_exit(1); |
| } |
| *mid++= 0; |
| |
| av_dict_set(&metadata, arg, mid, 0); |
| |
| return 0; |
| } |
| |
| static int opt_qscale(const char *opt, const char *arg) |
| { |
| video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255); |
| if (video_qscale <= 0 || video_qscale > 255) { |
| fprintf(stderr, "qscale must be > 0.0 and <= 255\n"); |
| return AVERROR(EINVAL); |
| } |
| return 0; |
| } |
| |
| static int opt_top_field_first(const char *opt, const char *arg) |
| { |
| top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1); |
| opt_default(opt, arg); |
| return 0; |
| } |
| |
| static int opt_thread_count(const char *opt, const char *arg) |
| { |
| thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX); |
| #if !HAVE_THREADS |
| if (verbose >= 0) |
| fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n"); |
| #endif |
| return 0; |
| } |
| |
| static int opt_audio_sample_fmt(const char *opt, const char *arg) |
| { |
| if (strcmp(arg, "list")) { |
| audio_sample_fmt = av_get_sample_fmt(arg); |
| if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) { |
| av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg); |
| return AVERROR(EINVAL); |
| } |
| } else { |
| int i; |
| char fmt_str[128]; |
| for (i = -1; i < AV_SAMPLE_FMT_NB; i++) |
| printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i)); |
| ffmpeg_exit(0); |
| } |
| return 0; |
| } |
| |
| static int opt_audio_rate(const char *opt, const char *arg) |
| { |
| audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX); |
| return 0; |
| } |
| |
| static int opt_audio_channels(const char *opt, const char *arg) |
| { |
| audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX); |
| return 0; |
| } |
| |
| static int opt_video_channel(const char *opt, const char *arg) |
| { |
| video_channel = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX); |
| return 0; |
| } |
| |
| static int opt_video_standard(const char *opt, const char *arg) |
| { |
| video_standard = av_strdup(arg); |
| return 0; |
| } |
| |
| static int opt_codec(const char *opt, const char *arg) |
| { |
| int *pstream_copy; char **pcodec_name; enum AVMediaType codec_type; |
| |
| if (!strcmp(opt, "acodec")) { pstream_copy = &audio_stream_copy; pcodec_name = &audio_codec_name; codec_type = AVMEDIA_TYPE_AUDIO; } |
| else if (!strcmp(opt, "vcodec")) { pstream_copy = &video_stream_copy; pcodec_name = &video_codec_name; codec_type = AVMEDIA_TYPE_VIDEO; } |
| else if (!strcmp(opt, "scodec")) { pstream_copy = &subtitle_stream_copy; pcodec_name = &subtitle_codec_name; codec_type = AVMEDIA_TYPE_SUBTITLE; } |
| else if (!strcmp(opt, "dcodec")) { pstream_copy = &data_stream_copy; pcodec_name = &data_codec_name; codec_type = AVMEDIA_TYPE_DATA; } |
| |
| av_freep(pcodec_name); |
| if (!strcmp(arg, "copy")) { |
| *pstream_copy = 1; |
| } else { |
| *pcodec_name = av_strdup(arg); |
| } |
| return 0; |
| } |
| |
| static int opt_codec_tag(const char *opt, const char *arg) |
| { |
| char *tail; |
| uint32_t *codec_tag; |
| |
| codec_tag = !strcmp(opt, "atag") ? &audio_codec_tag : |
| !strcmp(opt, "vtag") ? &video_codec_tag : |
| !strcmp(opt, "stag") ? &subtitle_codec_tag : NULL; |
| if (!codec_tag) |
| return -1; |
| |
| *codec_tag = strtol(arg, &tail, 0); |
| if (!tail || *tail) |
| *codec_tag = AV_RL32(arg); |
| |
| return 0; |
| } |
| |
| static int opt_map(const char *opt, const char *arg) |
| { |
| AVStreamMap *m; |
| char *p; |
| |
| stream_maps = grow_array(stream_maps, sizeof(*stream_maps), &nb_stream_maps, nb_stream_maps + 1); |
| m = &stream_maps[nb_stream_maps-1]; |
| |
| m->file_index = strtol(arg, &p, 0); |
| if (*p) |
| p++; |
| |
| m->stream_index = strtol(p, &p, 0); |
| if (*p) { |
| p++; |
| m->sync_file_index = strtol(p, &p, 0); |
| if (*p) |
| p++; |
| m->sync_stream_index = strtol(p, &p, 0); |
| } else { |
| m->sync_file_index = m->file_index; |
| m->sync_stream_index = m->stream_index; |
| } |
| return 0; |
| } |
| |
| static void parse_meta_type(char *arg, char *type, int *index, char **endptr) |
| { |
| *endptr = arg; |
| if (*arg == ',') { |
| *type = *(++arg); |
| switch (*arg) { |
| case 'g': |
| break; |
| case 's': |
| case 'c': |
| case 'p': |
| *index = strtol(++arg, endptr, 0); |
| break; |
| default: |
| fprintf(stderr, "Invalid metadata type %c.\n", *arg); |
| ffmpeg_exit(1); |
| } |
| } else |
| *type = 'g'; |
| } |
| |
| static int opt_map_metadata(const char *opt, const char *arg) |
| { |
| AVMetaDataMap *m, *m1; |
| char *p; |
| |
| meta_data_maps = grow_array(meta_data_maps, sizeof(*meta_data_maps), |
| &nb_meta_data_maps, nb_meta_data_maps + 1); |
| |
| m = &meta_data_maps[nb_meta_data_maps - 1][0]; |
| m->file = strtol(arg, &p, 0); |
| parse_meta_type(p, &m->type, &m->index, &p); |
| if (*p) |
| p++; |
| |
| m1 = &meta_data_maps[nb_meta_data_maps - 1][1]; |
| m1->file = strtol(p, &p, 0); |
| parse_meta_type(p, &m1->type, &m1->index, &p); |
| |
| if (m->type == 'g' || m1->type == 'g') |
| metadata_global_autocopy = 0; |
| if (m->type == 's' || m1->type == 's') |
| metadata_streams_autocopy = 0; |
| if (m->type == 'c' || m1->type == 'c') |
| metadata_chapters_autocopy = 0; |
| |
| return 0; |
| } |
| |
| static int opt_map_meta_data(const char *opt, const char *arg) |
| { |
| fprintf(stderr, "-map_meta_data is deprecated and will be removed soon. " |
| "Use -map_metadata instead.\n"); |
| return opt_map_metadata(opt, arg); |
| } |
| |
| static int opt_map_chapters(const char *opt, const char *arg) |
| { |
| AVChapterMap *c; |
| char *p; |
| |
| chapter_maps = grow_array(chapter_maps, sizeof(*chapter_maps), &nb_chapter_maps, |
| nb_chapter_maps + 1); |
| c = &chapter_maps[nb_chapter_maps - 1]; |
| c->out_file = strtol(arg, &p, 0); |
| if (*p) |
| p++; |
| |
| c->in_file = strtol(p, &p, 0); |
| return 0; |
| } |
| |
| static int opt_input_ts_scale(const char *opt, const char *arg) |
| { |
| unsigned int stream; |
| double scale; |
| char *p; |
| |
| stream = strtol(arg, &p, 0); |
| if (*p) |
| p++; |
| scale= strtod(p, &p); |
| |
| if(stream >= MAX_STREAMS) |
| ffmpeg_exit(1); |
| |
| input_files_ts_scale[nb_input_files] = grow_array(input_files_ts_scale[nb_input_files], sizeof(*input_files_ts_scale[nb_input_files]), &nb_input_files_ts_scale[nb_input_files], stream + 1); |
| input_files_ts_scale[nb_input_files][stream]= scale; |
| return 0; |
| } |
| |
| static int opt_recording_time(const char *opt, const char *arg) |
| { |
| recording_time = parse_time_or_die(opt, arg, 1); |
| return 0; |
| } |
| |
| static int opt_start_time(const char *opt, const char *arg) |
| { |
| start_time = parse_time_or_die(opt, arg, 1); |
| return 0; |
| } |
| |
| static int opt_recording_timestamp(const char *opt, const char *arg) |
| { |
| recording_timestamp = parse_time_or_die(opt, arg, 0) / 1000000; |
| return 0; |
| } |
| |
| static int opt_input_ts_offset(const char *opt, const char *arg) |
| { |
| input_ts_offset = parse_time_or_die(opt, arg, 1); |
| return 0; |
| } |
| |
| static enum CodecID find_codec_or_die(const char *name, int type, int encoder, int strict) |
| { |
| const char *codec_string = encoder ? "encoder" : "decoder"; |
| AVCodec *codec; |
| |
| if(!name) |
| return CODEC_ID_NONE; |
| codec = encoder ? |
| avcodec_find_encoder_by_name(name) : |
| avcodec_find_decoder_by_name(name); |
| if(!codec) { |
| fprintf(stderr, "Unknown %s '%s'\n", codec_string, name); |
| ffmpeg_exit(1); |
| } |
| if(codec->type != type) { |
| fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name); |
| ffmpeg_exit(1); |
| } |
| if(codec->capabilities & CODEC_CAP_EXPERIMENTAL && |
| strict > FF_COMPLIANCE_EXPERIMENTAL) { |
| fprintf(stderr, "%s '%s' is experimental and might produce bad " |
| "results.\nAdd '-strict experimental' if you want to use it.\n", |
| codec_string, codec->name); |
| codec = encoder ? |
| avcodec_find_encoder(codec->id) : |
| avcodec_find_decoder(codec->id); |
| if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL)) |
| fprintf(stderr, "Or use the non experimental %s '%s'.\n", |
| codec_string, codec->name); |
| ffmpeg_exit(1); |
| } |
| return codec->id; |
| } |
| |
| static int opt_input_file(const char *opt, const char *filename) |
| { |
| AVFormatContext *ic; |
| AVFormatParameters params, *ap = ¶ms; |
| AVInputFormat *file_iformat = NULL; |
| int err, i, ret, rfps, rfps_base; |
| int64_t timestamp; |
| |
| if (last_asked_format) { |
| if (!(file_iformat = av_find_input_format(last_asked_format))) { |
| fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format); |
| ffmpeg_exit(1); |
| } |
| last_asked_format = NULL; |
| } |
| |
| if (!strcmp(filename, "-")) |
| filename = "pipe:"; |
| |
| using_stdin |= !strncmp(filename, "pipe:", 5) || |
| !strcmp(filename, "/dev/stdin"); |
| |
| /* get default parameters from command line */ |
| ic = avformat_alloc_context(); |
| if (!ic) { |
| print_error(filename, AVERROR(ENOMEM)); |
| ffmpeg_exit(1); |
| } |
| |
| memset(ap, 0, sizeof(*ap)); |
| ap->prealloced_context = 1; |
| ap->sample_rate = audio_sample_rate; |
| ap->channels = audio_channels; |
| ap->time_base.den = frame_rate.num; |
| ap->time_base.num = frame_rate.den; |
| ap->width = frame_width; |
| ap->height = frame_height; |
| ap->pix_fmt = frame_pix_fmt; |
| // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat |
| ap->channel = video_channel; |
| ap->standard = video_standard; |
| |
| set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM, NULL); |
| |
| ic->video_codec_id = |
| find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0, |
| avcodec_opts[AVMEDIA_TYPE_VIDEO ]->strict_std_compliance); |
| ic->audio_codec_id = |
| find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0, |
| avcodec_opts[AVMEDIA_TYPE_AUDIO ]->strict_std_compliance); |
| ic->subtitle_codec_id= |
| find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0, |
| avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->strict_std_compliance); |
| ic->flags |= AVFMT_FLAG_NONBLOCK | AVFMT_FLAG_PRIV_OPT; |
| |
| /* open the input file with generic libav function */ |
| err = av_open_input_file(&ic, filename, file_iformat, 0, ap); |
| if(err >= 0){ |
| set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM, NULL); |
| err = av_demuxer_open(ic, ap); |
| if(err < 0) |
| avformat_free_context(ic); |
| } |
| if (err < 0) { |
| print_error(filename, err); |
| ffmpeg_exit(1); |
| } |
| if(opt_programid) { |
| int i, j; |
| int found=0; |
| for(i=0; i<ic->nb_streams; i++){ |
| ic->streams[i]->discard= AVDISCARD_ALL; |
| } |
| for(i=0; i<ic->nb_programs; i++){ |
| AVProgram *p= ic->programs[i]; |
| if(p->id != opt_programid){ |
| p->discard = AVDISCARD_ALL; |
| }else{ |
| found=1; |
| for(j=0; j<p->nb_stream_indexes; j++){ |
| ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT; |
| } |
| } |
| } |
| if(!found){ |
| fprintf(stderr, "Specified program id not found\n"); |
| ffmpeg_exit(1); |
| } |
| opt_programid=0; |
| } |
| |
| ic->loop_input = loop_input; |
| |
| /* If not enough info to get the stream parameters, we decode the |
| first frames to get it. (used in mpeg case for example) */ |
| ret = av_find_stream_info(ic); |
| if (ret < 0 && verbose >= 0) { |
| fprintf(stderr, "%s: could not find codec parameters\n", filename); |
| av_close_input_file(ic); |
| ffmpeg_exit(1); |
| } |
| |
| timestamp = start_time; |
| /* add the stream start time */ |
| if (ic->start_time != AV_NOPTS_VALUE) |
| timestamp += ic->start_time; |
| |
| /* if seeking requested, we execute it */ |
| if (start_time != 0) { |
| ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD); |
| if (ret < 0) { |
| fprintf(stderr, "%s: could not seek to position %0.3f\n", |
| filename, (double)timestamp / AV_TIME_BASE); |
| } |
| /* reset seek info */ |
| start_time = 0; |
| } |
| |
| /* update the current parameters so that they match the one of the input stream */ |
| for(i=0;i<ic->nb_streams;i++) { |
| AVStream *st = ic->streams[i]; |
| AVCodecContext *dec = st->codec; |
| AVInputStream *ist; |
| |
| dec->thread_count = thread_count; |
| input_codecs = grow_array(input_codecs, sizeof(*input_codecs), &nb_input_codecs, nb_input_codecs + 1); |
| |
| input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1); |
| ist = &input_streams[nb_input_streams - 1]; |
| ist->st = st; |
| ist->file_index = nb_input_files; |
| ist->discard = 1; |
| |
| switch (dec->codec_type) { |
| case AVMEDIA_TYPE_AUDIO: |
| input_codecs[nb_input_codecs-1] = avcodec_find_decoder_by_name(audio_codec_name); |
| if(!input_codecs[nb_input_codecs-1]) |
| input_codecs[nb_input_codecs-1] = avcodec_find_decoder(dec->codec_id); |
| set_context_opts(dec, avcodec_opts[AVMEDIA_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM, input_codecs[nb_input_codecs-1]); |
| channel_layout = dec->channel_layout; |
| audio_sample_fmt = dec->sample_fmt; |
| if(audio_disable) |
| st->discard= AVDISCARD_ALL; |
| break; |
| case AVMEDIA_TYPE_VIDEO: |
| input_codecs[nb_input_codecs-1] = avcodec_find_decoder_by_name(video_codec_name); |
| if(!input_codecs[nb_input_codecs-1]) |
| input_codecs[nb_input_codecs-1] = avcodec_find_decoder(dec->codec_id); |
| set_context_opts(dec, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM, input_codecs[nb_input_codecs-1]); |
| rfps = ic->streams[i]->r_frame_rate.num; |
| rfps_base = ic->streams[i]->r_frame_rate.den; |
| if (dec->lowres) { |
| dec->flags |= CODEC_FLAG_EMU_EDGE; |
| dec->height >>= dec->lowres; |
| dec->width >>= dec->lowres; |
| } |
| if(me_threshold) |
| dec->debug |= FF_DEBUG_MV; |
| |
| if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) { |
| |
| if (verbose >= 0) |
| fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n", |
| i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num, |
| |
| (float)rfps / rfps_base, rfps, rfps_base); |
| } |
| |
| if(video_disable) |
| st->discard= AVDISCARD_ALL; |
| else if(video_discard) |
| st->discard= video_discard; |
| break; |
| case AVMEDIA_TYPE_DATA: |
| break; |
| case AVMEDIA_TYPE_SUBTITLE: |
| input_codecs[nb_input_codecs-1] = avcodec_find_decoder_by_name(subtitle_codec_name); |
| if(!input_codecs[nb_input_codecs-1]) |
| input_codecs[nb_input_codecs-1] = avcodec_find_decoder(dec->codec_id); |
| if(subtitle_disable) |
| st->discard = AVDISCARD_ALL; |
| break; |
| case AVMEDIA_TYPE_ATTACHMENT: |
| case AVMEDIA_TYPE_UNKNOWN: |
| break; |
| default: |
| abort(); |
| } |
| } |
| |
| input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp); |
| /* dump the file content */ |
| if (verbose >= 0) |
| av_dump_format(ic, nb_input_files, filename, 0); |
| |
| input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1); |
| input_files[nb_input_files - 1].ctx = ic; |
| input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams; |
| input_files[nb_input_files - 1].nb_streams = ic->nb_streams; |
| |
| top_field_first = -1; |
| video_channel = 0; |
| frame_rate = (AVRational){0, 0}; |
| frame_pix_fmt = PIX_FMT_NONE; |
| frame_height = 0; |
| frame_width = 0; |
| audio_sample_rate = 0; |
| audio_channels = 0; |
| |
| av_freep(&video_codec_name); |
| av_freep(&audio_codec_name); |
| av_freep(&subtitle_codec_name); |
| uninit_opts(); |
| init_opts(); |
| return 0; |
| } |
| |
| static void check_inputs(int *has_video_ptr, |
| int *has_audio_ptr, |
| int *has_subtitle_ptr, |
| int *has_data_ptr) |
| { |
| int has_video, has_audio, has_subtitle, has_data, i, j; |
| AVFormatContext *ic; |
| |
| has_video = 0; |
| has_audio = 0; |
| has_subtitle = 0; |
| has_data = 0; |
| |
| for(j=0;j<nb_input_files;j++) { |
| ic = input_files[j].ctx; |
| for(i=0;i<ic->nb_streams;i++) { |
| AVCodecContext *enc = ic->streams[i]->codec; |
| switch(enc->codec_type) { |
| case AVMEDIA_TYPE_AUDIO: |
| has_audio = 1; |
| break; |
| case AVMEDIA_TYPE_VIDEO: |
| has_video = 1; |
| break; |
| case AVMEDIA_TYPE_SUBTITLE: |
| has_subtitle = 1; |
| break; |
| case AVMEDIA_TYPE_DATA: |
| case AVMEDIA_TYPE_ATTACHMENT: |
| case AVMEDIA_TYPE_UNKNOWN: |
| has_data = 1; |
| break; |
| default: |
| abort(); |
| } |
| } |
| } |
| *has_video_ptr = has_video; |
| *has_audio_ptr = has_audio; |
| *has_subtitle_ptr = has_subtitle; |
| *has_data_ptr = has_data; |
| } |
| |
| static void new_video_stream(AVFormatContext *oc, int file_idx) |
| { |
| AVStream *st; |
| AVOutputStream *ost; |
| AVCodecContext *video_enc; |
| enum CodecID codec_id = CODEC_ID_NONE; |
| AVCodec *codec= NULL; |
| |
| st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0); |
| if (!st) { |
| fprintf(stderr, "Could not alloc stream\n"); |
| ffmpeg_exit(1); |
| } |
| ost = new_output_stream(oc, file_idx); |
| |
| if(!video_stream_copy){ |
| if (video_codec_name) { |
| codec_id = find_codec_or_die(video_codec_name, AVMEDIA_TYPE_VIDEO, 1, |
| avcodec_opts[AVMEDIA_TYPE_VIDEO]->strict_std_compliance); |
| codec = avcodec_find_encoder_by_name(video_codec_name); |
| ost->enc = codec; |
| } else { |
| codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_VIDEO); |
| codec = avcodec_find_encoder(codec_id); |
| } |
| ost->frame_aspect_ratio = frame_aspect_ratio; |
| frame_aspect_ratio = 0; |
| #if CONFIG_AVFILTER |
| ost->avfilter = vfilters; |
| vfilters = NULL; |
| #endif |
| } |
| |
| avcodec_get_context_defaults3(st->codec, codec); |
| ost->bitstream_filters = video_bitstream_filters; |
| video_bitstream_filters= NULL; |
| |
| st->codec->thread_count= thread_count; |
| |
| video_enc = st->codec; |
| |
| if(video_codec_tag) |
| video_enc->codec_tag= video_codec_tag; |
| |
| if(oc->oformat->flags & AVFMT_GLOBALHEADER) { |
| video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER; |
| avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER; |
| } |
| |
| if (video_stream_copy) { |
| st->stream_copy = 1; |
| video_enc->codec_type = AVMEDIA_TYPE_VIDEO; |
| video_enc->sample_aspect_ratio = |
| st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255); |
| } else { |
| const char *p; |
| int i; |
| |
| if (frame_rate.num) |
| ost->frame_rate = frame_rate; |
| video_enc->codec_id = codec_id; |
| set_context_opts(video_enc, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec); |
| |
| video_enc->width = frame_width; |
| video_enc->height = frame_height; |
| video_enc->pix_fmt = frame_pix_fmt; |
| video_enc->bits_per_raw_sample = frame_bits_per_raw_sample; |
| st->sample_aspect_ratio = video_enc->sample_aspect_ratio; |
| |
| if (intra_only) |
| video_enc->gop_size = 0; |
| if (video_qscale || same_quality) { |
| video_enc->flags |= CODEC_FLAG_QSCALE; |
| video_enc->global_quality= |
| st->quality = FF_QP2LAMBDA * video_qscale; |
| } |
| |
| if(intra_matrix) |
| video_enc->intra_matrix = intra_matrix; |
| if(inter_matrix) |
| video_enc->inter_matrix = inter_matrix; |
| |
| p= video_rc_override_string; |
| for(i=0; p; i++){ |
| int start, end, q; |
| int e=sscanf(p, "%d,%d,%d", &start, &end, &q); |
| if(e!=3){ |
| fprintf(stderr, "error parsing rc_override\n"); |
| ffmpeg_exit(1); |
| } |
| video_enc->rc_override= |
| av_realloc(video_enc->rc_override, |
| sizeof(RcOverride)*(i+1)); |
| video_enc->rc_override[i].start_frame= start; |
| video_enc->rc_override[i].end_frame = end; |
| if(q>0){ |
| video_enc->rc_override[i].qscale= q; |
| video_enc->rc_override[i].quality_factor= 1.0; |
| } |
| else{ |
| video_enc->rc_override[i].qscale= 0; |
| video_enc->rc_override[i].quality_factor= -q/100.0; |
| } |
| p= strchr(p, '/'); |
| if(p) p++; |
| } |
| video_enc->rc_override_count=i; |
| if (!video_enc->rc_initial_buffer_occupancy) |
| video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4; |
| video_enc->me_threshold= me_threshold; |
| video_enc->intra_dc_precision= intra_dc_precision - 8; |
| |
| if (do_psnr) |
| video_enc->flags|= CODEC_FLAG_PSNR; |
| |
| /* two pass mode */ |
| if (do_pass) { |
| if (do_pass == 1) { |
| video_enc->flags |= CODEC_FLAG_PASS1; |
| } else { |
| video_enc->flags |= CODEC_FLAG_PASS2; |
| } |
| } |
| |
| if (forced_key_frames) |
| parse_forced_key_frames(forced_key_frames, ost, video_enc); |
| } |
| if (video_language) { |
| av_dict_set(&st->metadata, "language", video_language, 0); |
| av_freep(&video_language); |
| } |
| |
| /* reset some key parameters */ |
| video_disable = 0; |
| av_freep(&video_codec_name); |
| av_freep(&forced_key_frames); |
| video_stream_copy = 0; |
| frame_pix_fmt = PIX_FMT_NONE; |
| } |
| |
| static void new_audio_stream(AVFormatContext *oc, int file_idx) |
| { |
| AVStream *st; |
| AVOutputStream *ost; |
| AVCodec *codec= NULL; |
| AVCodecContext *audio_enc; |
| enum CodecID codec_id = CODEC_ID_NONE; |
| |
| st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0); |
| if (!st) { |
| fprintf(stderr, "Could not alloc stream\n"); |
| ffmpeg_exit(1); |
| } |
| ost = new_output_stream(oc, file_idx); |
| |
| if(!audio_stream_copy){ |
| if (audio_codec_name) { |
| codec_id = find_codec_or_die(audio_codec_name, AVMEDIA_TYPE_AUDIO, 1, |
| avcodec_opts[AVMEDIA_TYPE_AUDIO]->strict_std_compliance); |
| codec = avcodec_find_encoder_by_name(audio_codec_name); |
| ost->enc = codec; |
| } else { |
| codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_AUDIO); |
| codec = avcodec_find_encoder(codec_id); |
| } |
| } |
| |
| avcodec_get_context_defaults3(st->codec, codec); |
| |
| ost->bitstream_filters = audio_bitstream_filters; |
| audio_bitstream_filters= NULL; |
| |
| st->codec->thread_count= thread_count; |
| |
| audio_enc = st->codec; |
| audio_enc->codec_type = AVMEDIA_TYPE_AUDIO; |
| |
| if(audio_codec_tag) |
| audio_enc->codec_tag= audio_codec_tag; |
| |
| if (oc->oformat->flags & AVFMT_GLOBALHEADER) { |
| audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER; |
| avcodec_opts[AVMEDIA_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER; |
| } |
| if (audio_stream_copy) { |
| st->stream_copy = 1; |
| } else { |
| audio_enc->codec_id = codec_id; |
| set_context_opts(audio_enc, avcodec_opts[AVMEDIA_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec); |
| |
| if (audio_qscale > QSCALE_NONE) { |
| audio_enc->flags |= CODEC_FLAG_QSCALE; |
| audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale; |
| } |
| if (audio_channels) |
| audio_enc->channels = audio_channels; |
| audio_enc->sample_fmt = audio_sample_fmt; |
| if (audio_sample_rate) |
| audio_enc->sample_rate = audio_sample_rate; |
| audio_enc->channel_layout = channel_layout; |
| choose_sample_fmt(st, codec); |
| } |
| if (audio_language) { |
| av_dict_set(&st->metadata, "language", audio_language, 0); |
| av_freep(&audio_language); |
| } |
| |
| /* reset some key parameters */ |
| audio_disable = 0; |
| av_freep(&audio_codec_name); |
| audio_stream_copy = 0; |
| } |
| |
| static void new_data_stream(AVFormatContext *oc, int file_idx) |
| { |
| AVStream *st; |
| AVCodec *codec=NULL; |
| AVCodecContext *data_enc; |
| |
| st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0); |
| if (!st) { |
| fprintf(stderr, "Could not alloc stream\n"); |
| ffmpeg_exit(1); |
| } |
| new_output_stream(oc, file_idx); |
| data_enc = st->codec; |
| if (!data_stream_copy) { |
| fprintf(stderr, "Data stream encoding not supported yet (only streamcopy)\n"); |
| ffmpeg_exit(1); |
| } |
| avcodec_get_context_defaults3(st->codec, codec); |
| |
| data_enc->codec_type = AVMEDIA_TYPE_DATA; |
| |
| if (data_codec_tag) |
| data_enc->codec_tag= data_codec_tag; |
| |
| if (oc->oformat->flags & AVFMT_GLOBALHEADER) { |
| data_enc->flags |= CODEC_FLAG_GLOBAL_HEADER; |
| avcodec_opts[AVMEDIA_TYPE_DATA]->flags |= CODEC_FLAG_GLOBAL_HEADER; |
| } |
| if (data_stream_copy) { |
| st->stream_copy = 1; |
| } |
| |
| data_disable = 0; |
| av_freep(&data_codec_name); |
| data_stream_copy = 0; |
| } |
| |
| static void new_subtitle_stream(AVFormatContext *oc, int file_idx) |
| { |
| AVStream *st; |
| AVOutputStream *ost; |
| AVCodec *codec=NULL; |
| AVCodecContext *subtitle_enc; |
| enum CodecID codec_id = CODEC_ID_NONE; |
| |
| st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0); |
| if (!st) { |
| fprintf(stderr, "Could not alloc stream\n"); |
| ffmpeg_exit(1); |
| } |
| ost = new_output_stream(oc, file_idx); |
| subtitle_enc = st->codec; |
| if(!subtitle_stream_copy){ |
| if (subtitle_codec_name) { |
| codec_id = find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 1, |
| avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->strict_std_compliance); |
| codec = avcodec_find_encoder_by_name(subtitle_codec_name); |
| ost->enc = codec; |
| } else { |
| codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_SUBTITLE); |
| codec = avcodec_find_encoder(codec_id); |
| } |
| } |
| avcodec_get_context_defaults3(st->codec, codec); |
| |
| ost->bitstream_filters = subtitle_bitstream_filters; |
| subtitle_bitstream_filters= NULL; |
| |
| subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE; |
| |
| if(subtitle_codec_tag) |
| subtitle_enc->codec_tag= subtitle_codec_tag; |
| |
| if (oc->oformat->flags & AVFMT_GLOBALHEADER) { |
| subtitle_enc->flags |= CODEC_FLAG_GLOBAL_HEADER; |
| avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->flags |= CODEC_FLAG_GLOBAL_HEADER; |
| } |
| if (subtitle_stream_copy) { |
| st->stream_copy = 1; |
| } else { |
| subtitle_enc->codec_id = codec_id; |
| set_context_opts(avcodec_opts[AVMEDIA_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec); |
| } |
| |
| if (subtitle_language) { |
| av_dict_set(&st->metadata, "language", subtitle_language, 0); |
| av_freep(&subtitle_language); |
| } |
| |
| subtitle_disable = 0; |
| av_freep(&subtitle_codec_name); |
| subtitle_stream_copy = 0; |
| } |
| |
| static int opt_new_stream(const char *opt, const char *arg) |
| { |
| AVFormatContext *oc; |
| int file_idx = nb_output_files - 1; |
| if (nb_output_files <= 0) { |
| fprintf(stderr, "At least one output file must be specified\n"); |
| ffmpeg_exit(1); |
| } |
| oc = output_files[file_idx]; |
| |
| if (!strcmp(opt, "newvideo" )) new_video_stream (oc, file_idx); |
| else if (!strcmp(opt, "newaudio" )) new_audio_stream (oc, file_idx); |
| else if (!strcmp(opt, "newsubtitle")) new_subtitle_stream(oc, file_idx); |
| else if (!strcmp(opt, "newdata" )) new_data_stream (oc, file_idx); |
| else av_assert0(0); |
| return 0; |
| } |
| |
| /* arg format is "output-stream-index:streamid-value". */ |
| static int opt_streamid(const char *opt, const char *arg) |
| { |
| int idx; |
| char *p; |
| char idx_str[16]; |
| |
| av_strlcpy(idx_str, arg, sizeof(idx_str)); |
| p = strchr(idx_str, ':'); |
| if (!p) { |
| fprintf(stderr, |
| "Invalid value '%s' for option '%s', required syntax is 'index:value'\n", |
| arg, opt); |
| ffmpeg_exit(1); |
| } |
| *p++ = '\0'; |
| idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1); |
| streamid_map = grow_array(streamid_map, sizeof(*streamid_map), &nb_streamid_map, idx+1); |
| streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX); |
| return 0; |
| } |
| |
| static int opt_output_file(const char *opt, const char *filename) |
| { |
| AVFormatContext *oc; |
| int err, use_video, use_audio, use_subtitle, use_data; |
| int input_has_video, input_has_audio, input_has_subtitle, input_has_data; |
| AVFormatParameters params, *ap = ¶ms; |
| AVOutputFormat *file_oformat; |
| |
| if(nb_output_files >= FF_ARRAY_ELEMS(output_files)){ |
| fprintf(stderr, "Too many output files\n"); |
| ffmpeg_exit(1); |
| } |
| |
| if (!strcmp(filename, "-")) |
| filename = "pipe:"; |
| |
| err = avformat_alloc_output_context2(&oc, NULL, last_asked_format, filename); |
| last_asked_format = NULL; |
| if (!oc) { |
| print_error(filename, err); |
| ffmpeg_exit(1); |
| } |
| file_oformat= oc->oformat; |
| |
| if (!strcmp(file_oformat->name, "ffm") && |
| av_strstart(filename, "http:", NULL)) { |
| /* special case for files sent to ffserver: we get the stream |
| parameters from ffserver */ |
| int err = read_ffserver_streams(oc, filename); |
| if (err < 0) { |
| print_error(filename, err); |
| ffmpeg_exit(1); |
| } |
| } else { |
| use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name; |
| use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name; |
| use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name; |
| use_data = data_stream_copy || data_codec_name; /* XXX once generic data codec will be available add a ->data_codec reference and use it here */ |
| |
| /* disable if no corresponding type found and at least one |
| input file */ |
| if (nb_input_files > 0) { |
| check_inputs(&input_has_video, |
| &input_has_audio, |
| &input_has_subtitle, |
| &input_has_data); |
| |
| if (!input_has_video) |
| use_video = 0; |
| if (!input_has_audio) |
| use_audio = 0; |
| if (!input_has_subtitle) |
| use_subtitle = 0; |
| if (!input_has_data) |
| use_data = 0; |
| } |
| |
| /* manual disable */ |
| if (audio_disable) use_audio = 0; |
| if (video_disable) use_video = 0; |
| if (subtitle_disable) use_subtitle = 0; |
| if (data_disable) use_data = 0; |
| |
| if (use_video) new_video_stream(oc, nb_output_files); |
| if (use_audio) new_audio_stream(oc, nb_output_files); |
| if (use_subtitle) new_subtitle_stream(oc, nb_output_files); |
| if (use_data) new_data_stream(oc, nb_output_files); |
| |
| oc->timestamp = recording_timestamp; |
| |
| av_dict_copy(&oc->metadata, metadata, 0); |
| av_dict_free(&metadata); |
| } |
| |
| output_files[nb_output_files++] = oc; |
| |
| /* check filename in case of an image number is expected */ |
| if (oc->oformat->flags & AVFMT_NEEDNUMBER) { |
| if (!av_filename_number_test(oc->filename)) { |
| print_error(oc->filename, AVERROR(EINVAL)); |
| ffmpeg_exit(1); |
| } |
| } |
| |
| if (!(oc->oformat->flags & AVFMT_NOFILE)) { |
| /* test if it already exists to avoid loosing precious files */ |
| if (!file_overwrite && |
| (strchr(filename, ':') == NULL || |
| filename[1] == ':' || |
| av_strstart(filename, "file:", NULL))) { |
| if (avio_check(filename, 0) == 0) { |
| if (!using_stdin) { |
| fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename); |
| fflush(stderr); |
| if (!read_yesno()) { |
| fprintf(stderr, "Not overwriting - exiting\n"); |
| ffmpeg_exit(1); |
| } |
| } |
| else { |
| fprintf(stderr,"File '%s' already exists. Exiting.\n", filename); |
| ffmpeg_exit(1); |
| } |
| } |
| } |
| |
| /* open the file */ |
| if ((err = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE)) < 0) { |
| print_error(filename, err); |
| ffmpeg_exit(1); |
| } |
| } |
| |
| memset(ap, 0, sizeof(*ap)); |
| if (av_set_parameters(oc, ap) < 0) { |
| fprintf(stderr, "%s: Invalid encoding parameters\n", |
| oc->filename); |
| ffmpeg_exit(1); |
| } |
| |
| oc->preload= (int)(mux_preload*AV_TIME_BASE); |
| oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE); |
| oc->loop_output = loop_output; |
| |
| set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM, NULL); |
| |
| frame_rate = (AVRational){0, 0}; |
| frame_width = 0; |
| frame_height = 0; |
| audio_sample_rate = 0; |
| audio_channels = 0; |
| |
| av_freep(&forced_key_frames); |
| uninit_opts(); |
| init_opts(); |
| return 0; |
| } |
| |
| /* same option as mencoder */ |
| static int opt_pass(const char *opt, const char *arg) |
| { |
| do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2); |
| return 0; |
| } |
| |
| static int64_t getutime(void) |
| { |
| #if HAVE_GETRUSAGE |
| struct rusage rusage; |
| |
| getrusage(RUSAGE_SELF, &rusage); |
| return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec; |
| #elif HAVE_GETPROCESSTIMES |
| HANDLE proc; |
| FILETIME c, e, k, u; |
| proc = GetCurrentProcess(); |
| GetProcessTimes(proc, &c, &e, &k, &u); |
| return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10; |
| #else |
| return av_gettime(); |
| #endif |
| } |
| |
| static int64_t getmaxrss(void) |
| { |
| #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS |
| struct rusage rusage; |
| getrusage(RUSAGE_SELF, &rusage); |
| return (int64_t)rusage.ru_maxrss * 1024; |
| #elif HAVE_GETPROCESSMEMORYINFO |
| HANDLE proc; |
| PROCESS_MEMORY_COUNTERS memcounters; |
| proc = GetCurrentProcess(); |
| memcounters.cb = sizeof(memcounters); |
| GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters)); |
| return memcounters.PeakPagefileUsage; |
| #else |
| return 0; |
| #endif |
| } |
| |
| static void parse_matrix_coeffs(uint16_t *dest, const char *str) |
| { |
| int i; |
| const char *p = str; |
| for(i = 0;; i++) { |
| dest[i] = atoi(p); |
| if(i == 63) |
| break; |
| p = strchr(p, ','); |
| if(!p) { |
| fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i); |
| ffmpeg_exit(1); |
| } |
| p++; |
| } |
| } |
| |
| static int opt_inter_matrix(const char *opt, const char *arg) |
| { |
| inter_matrix = av_mallocz(sizeof(uint16_t) * 64); |
| parse_matrix_coeffs(inter_matrix, arg); |
| return 0; |
| } |
| |
| static int opt_intra_matrix(const char *opt, const char *arg) |
| { |
| intra_matrix = av_mallocz(sizeof(uint16_t) * 64); |
| parse_matrix_coeffs(intra_matrix, arg); |
| return 0; |
| } |
| |
| static void show_usage(void) |
| { |
| printf("Hyper fast Audio and Video encoder\n"); |
| printf("usage: ffmpeg [options] [[infile options] -i infile]... {[outfile options] outfile}...\n"); |
| printf("\n"); |
| } |
| |
| static int opt_help(const char *opt, const char *arg) |
| { |
| AVCodec *c; |
| AVOutputFormat *oformat = NULL; |
| |
| av_log_set_callback(log_callback_help); |
| show_usage(); |
| show_help_options(options, "Main options:\n", |
| OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0); |
| show_help_options(options, "\nAdvanced options:\n", |
| OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, |
| OPT_EXPERT); |
| show_help_options(options, "\nVideo options:\n", |
| OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB, |
| OPT_VIDEO); |
| show_help_options(options, "\nAdvanced Video options:\n", |
| OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB, |
| OPT_VIDEO | OPT_EXPERT); |
| show_help_options(options, "\nAudio options:\n", |
| OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB, |
| OPT_AUDIO); |
| show_help_options(options, "\nAdvanced Audio options:\n", |
| OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB, |
| OPT_AUDIO | OPT_EXPERT); |
| show_help_options(options, "\nSubtitle options:\n", |
| OPT_SUBTITLE | OPT_GRAB, |
| OPT_SUBTITLE); |
| show_help_options(options, "\nAudio/Video grab options:\n", |
| OPT_GRAB, |
| OPT_GRAB); |
| printf("\n"); |
| av_opt_show2(avcodec_opts[0], NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0); |
| printf("\n"); |
| |
| /* individual codec options */ |
| c = NULL; |
| while ((c = av_codec_next(c))) { |
| if (c->priv_class) { |
| av_opt_show2(&c->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0); |
| printf("\n"); |
| } |
| } |
| |
| av_opt_show2(avformat_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0); |
| printf("\n"); |
| |
| /* individual muxer options */ |
| while ((oformat = av_oformat_next(oformat))) { |
| if (oformat->priv_class) { |
| av_opt_show2(&oformat->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM, 0); |
| printf("\n"); |
| } |
| } |
| |
| av_opt_show2(sws_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0); |
| return 0; |
| } |
| |
| static int opt_target(const char *opt, const char *arg) |
| { |
| enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN; |
| static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"}; |
| |
| if(!strncmp(arg, "pal-", 4)) { |
| norm = PAL; |
| arg += 4; |
| } else if(!strncmp(arg, "ntsc-", 5)) { |
| norm = NTSC; |
| arg += 5; |
| } else if(!strncmp(arg, "film-", 5)) { |
| norm = FILM; |
| arg += 5; |
| } else { |
| int fr; |
| /* Calculate FR via float to avoid int overflow */ |
| fr = (int)(frame_rate.num * 1000.0 / frame_rate.den); |
| if(fr == 25000) { |
| norm = PAL; |
| } else if((fr == 29970) || (fr == 23976)) { |
| norm = NTSC; |
| } else { |
| /* Try to determine PAL/NTSC by peeking in the input files */ |
| if(nb_input_files) { |
| int i, j; |
| for (j = 0; j < nb_input_files; j++) { |
| for (i = 0; i < input_files[j].ctx->nb_streams; i++) { |
| AVCodecContext *c = input_files[j].ctx->streams[i]->codec; |
| if(c->codec_type != AVMEDIA_TYPE_VIDEO) |
| continue; |
| fr = c->time_base.den * 1000 / c->time_base.num; |
| if(fr == 25000) { |
| norm = PAL; |
| break; |
| } else if((fr == 29970) || (fr == 23976)) { |
| norm = NTSC; |
| break; |
| } |
| } |
| if(norm != UNKNOWN) |
| break; |
| } |
| } |
| } |
| if(verbose > 0 && norm != UNKNOWN) |
| fprintf(stderr, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC"); |
| } |
| |
| if(norm == UNKNOWN) { |
| fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n"); |
| fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n"); |
| fprintf(stderr, "or set a framerate with \"-r xxx\".\n"); |
| ffmpeg_exit(1); |
| } |
| |
| if(!strcmp(arg, "vcd")) { |
| opt_codec("vcodec", "mpeg1video"); |
| opt_codec("acodec", "mp2"); |
| opt_format("f", "vcd"); |
| |
| opt_frame_size("s", norm == PAL ? "352x288" : "352x240"); |
| opt_frame_rate("r", frame_rates[norm]); |
| opt_default("g", norm == PAL ? "15" : "18"); |
| |
| opt_default("b", "1150000"); |
| opt_default("maxrate", "1150000"); |
| opt_default("minrate", "1150000"); |
| opt_default("bufsize", "327680"); // 40*1024*8; |
| |
| opt_default("ab", "224000"); |
| audio_sample_rate = 44100; |
| audio_channels = 2; |
| |
| opt_default("packetsize", "2324"); |
| opt_default("muxrate", "1411200"); // 2352 * 75 * 8; |
| |
| /* We have to offset the PTS, so that it is consistent with the SCR. |
| SCR starts at 36000, but the first two packs contain only padding |
| and the first pack from the other stream, respectively, may also have |
| been written before. |
| So the real data starts at SCR 36000+3*1200. */ |
| mux_preload= (36000+3*1200) / 90000.0; //0.44 |
| } else if(!strcmp(arg, "svcd")) { |
| |
| opt_codec("vcodec", "mpeg2video"); |
| opt_codec("acodec", "mp2"); |
| opt_format("f", "svcd"); |
| |
| opt_frame_size("s", norm == PAL ? "480x576" : "480x480"); |
| opt_frame_rate("r", frame_rates[norm]); |
| opt_frame_pix_fmt("pix_fmt", "yuv420p"); |
| opt_default("g", norm == PAL ? "15" : "18"); |
| |
| opt_default("b", "2040000"); |
| opt_default("maxrate", "2516000"); |
| opt_default("minrate", "0"); //1145000; |
| opt_default("bufsize", "1835008"); //224*1024*8; |
| opt_default("flags", "+scan_offset"); |
| |
| |
| opt_default("ab", "224000"); |
| audio_sample_rate = 44100; |
| |
| opt_default("packetsize", "2324"); |
| |
| } else if(!strcmp(arg, "dvd")) { |
| |
| opt_codec("vcodec", "mpeg2video"); |
| opt_codec("acodec", "ac3"); |
| opt_format("f", "dvd"); |
| |
| opt_frame_size("vcodec", norm == PAL ? "720x576" : "720x480"); |
| opt_frame_rate("r", frame_rates[norm]); |
| opt_frame_pix_fmt("pix_fmt", "yuv420p"); |
| opt_default("g", norm == PAL ? "15" : "18"); |
| |
| opt_default("b", "6000000"); |
| opt_default("maxrate", "9000000"); |
| opt_default("minrate", "0"); //1500000; |
| opt_default("bufsize", "1835008"); //224*1024*8; |
| |
| opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack. |
| opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8 |
| |
| opt_default("ab", "448000"); |
| audio_sample_rate = 48000; |
| |
| } else if(!strncmp(arg, "dv", 2)) { |
| |
| opt_format("f", "dv"); |
| |
| opt_frame_size("s", norm == PAL ? "720x576" : "720x480"); |
| opt_frame_pix_fmt("pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" : |
| norm == PAL ? "yuv420p" : "yuv411p"); |
| opt_frame_rate("r", frame_rates[norm]); |
| |
| audio_sample_rate = 48000; |
| audio_channels = 2; |
| |
| } else { |
| fprintf(stderr, "Unknown target: %s\n", arg); |
| return AVERROR(EINVAL); |
| } |
| return 0; |
| } |
| |
| static int opt_vstats_file(const char *opt, const char *arg) |
| { |
| av_free (vstats_filename); |
| vstats_filename=av_strdup (arg); |
| return 0; |
| } |
| |
| static int opt_vstats(const char *opt, const char *arg) |
| { |
| char filename[40]; |
| time_t today2 = time(NULL); |
| struct tm *today = localtime(&today2); |
| |
| snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min, |
| today->tm_sec); |
| return opt_vstats_file(opt, filename); |
| } |
| |
| static int opt_bsf(const char *opt, const char *arg) |
| { |
| AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '=' |
| AVBitStreamFilterContext **bsfp; |
| |
| if(!bsfc){ |
| fprintf(stderr, "Unknown bitstream filter %s\n", arg); |
| ffmpeg_exit(1); |
| } |
| |
| bsfp= *opt == 'v' ? &video_bitstream_filters : |
| *opt == 'a' ? &audio_bitstream_filters : |
| &subtitle_bitstream_filters; |
| while(*bsfp) |
| bsfp= &(*bsfp)->next; |
| |
| *bsfp= bsfc; |
| |
| return 0; |
| } |
| |
| static int opt_preset(const char *opt, const char *arg) |
| { |
| FILE *f=NULL; |
| char filename[1000], tmp[1000], tmp2[1000], line[1000]; |
| char *codec_name = *opt == 'v' ? video_codec_name : |
| *opt == 'a' ? audio_codec_name : |
| subtitle_codec_name; |
| |
| if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) { |
| fprintf(stderr, "File for preset '%s' not found\n", arg); |
| ffmpeg_exit(1); |
| } |
| |
| while(!feof(f)){ |
| int e= fscanf(f, "%999[^\n]\n", line) - 1; |
| if(line[0] == '#' && !e) |
| continue; |
| e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2; |
| if(e){ |
| fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line); |
| ffmpeg_exit(1); |
| } |
| if (!strcmp(tmp, "acodec") || |
| !strcmp(tmp, "vcodec") || |
| !strcmp(tmp, "scodec") || |
| !strcmp(tmp, "dcodec")) { |
| opt_codec(tmp, tmp2); |
| }else if(opt_default(tmp, tmp2) < 0){ |
| fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2); |
| ffmpeg_exit(1); |
| } |
| } |
| |
| fclose(f); |
| |
| return 0; |
| } |
| |
| static void log_callback_null(void* ptr, int level, const char* fmt, va_list vl) |
| { |
| } |
| |
| static int opt_passlogfile(const char *opt, const char *arg) |
| { |
| pass_logfilename_prefix = arg; |
| #if CONFIG_LIBX264_ENCODER |
| return opt_default("passlogfile", arg); |
| #else |
| return 0; |
| #endif |
| } |
| |
| static const OptionDef options[] = { |
| /* main options */ |
| #include "cmdutils_common_opts.h" |
| { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" }, |
| { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" }, |
| { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" }, |
| { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file.stream[:syncfile.syncstream]" }, |
| { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "DEPRECATED set meta data information of outfile from infile", |
| "outfile[,metadata]:infile[,metadata]" }, |
| { "map_metadata", HAS_ARG | OPT_EXPERT, {(void*)opt_map_metadata}, "set metadata information of outfile from infile", |
| "outfile[,metadata]:infile[,metadata]" }, |
| { "map_chapters", HAS_ARG | OPT_EXPERT, {(void*)opt_map_chapters}, "set chapters mapping", "outfile:infile" }, |
| { "t", HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" }, |
| { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, // |
| { "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" }, |
| { "itsoffset", HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" }, |
| { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "stream:scale" }, |
| { "timestamp", HAS_ARG, {(void*)opt_recording_timestamp}, "set the recording timestamp ('now' to set the current time)", "time" }, |
| { "metadata", HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" }, |
| { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[AVMEDIA_TYPE_DATA]}, "set the number of data frames to record", "number" }, |
| { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark}, |
| "add timings for benchmarking" }, |
| { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" }, |
| { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump}, |
| "dump each input packet" }, |
| { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump}, |
| "when dumping packets, also dump the payload" }, |
| { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" }, |
| { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" }, |
| { "loop_output", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&loop_output}, "number of times to loop output in formats that support looping (0 loops forever)", "" }, |
| { "v", HAS_ARG, {(void*)opt_verbose}, "set ffmpeg verbosity level", "number" }, |
| { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" }, |
| { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" }, |
| { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" }, |
| { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" }, |
| { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" }, |
| { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" }, |
| { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" }, |
| { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, // |
| { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" }, |
| { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" }, |
| { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" }, |
| { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" }, |
| |
| /* video options */ |
| { "b", HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" }, |
| { "vb", HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" }, |
| { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[AVMEDIA_TYPE_VIDEO]}, "set the number of video frames to record", "number" }, |
| { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" }, |
| { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" }, |
| { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" }, |
| { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_frame_pix_fmt}, "set pixel format, 'list' as argument shows all the pixel formats supported", "format" }, |
| { "bits_per_raw_sample", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&frame_bits_per_raw_sample}, "set the number of bits per raw sample", "number" }, |
| { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" }, |
| { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" }, |
| { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" }, |
| { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" }, |
| { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" }, |
| { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" }, |
| { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" }, |
| { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" }, |
| { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" }, |
| { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"}, |
| { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" }, |
| { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" }, |
| { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" }, |
| { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" }, |
| { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_codec}, "force video codec ('copy' to copy stream)", "codec" }, |
| { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" }, |
| { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality}, |
| "use same quantizer as source (implies VBR)" }, |
| { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" }, |
| { "passlogfile", HAS_ARG | OPT_VIDEO, {(void*)&opt_passlogfile}, "select two pass log file name prefix", "prefix" }, |
| { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace}, |
| "deinterlace pictures" }, |
| { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" }, |
| { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" }, |
| { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" }, |
| #if CONFIG_AVFILTER |
| { "vf", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" }, |
| #endif |
| { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" }, |
| { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" }, |
| { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" }, |
| { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" }, |
| { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_codec_tag}, "force video tag/fourcc", "fourcc/tag" }, |
| { "newvideo", OPT_VIDEO, {(void*)opt_new_stream}, "add a new video stream to the current output stream" }, |
| { "vlang", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void *)&video_language}, "set the ISO 639 language code (3 letters) of the current video stream" , "code" }, |
| { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" }, |
| { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" }, |
| { "streamid", HAS_ARG | OPT_EXPERT, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" }, |
| { "force_key_frames", OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void *)&forced_key_frames}, "force key frames at specified timestamps", "timestamps" }, |
| |
| /* audio options */ |
| { "ab", HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" }, |
| { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[AVMEDIA_TYPE_AUDIO]}, "set the number of audio frames to record", "number" }, |
| { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", }, |
| { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" }, |
| { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" }, |
| { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" }, |
| { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_codec}, "force audio codec ('copy' to copy stream)", "codec" }, |
| { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_codec_tag}, "force audio tag/fourcc", "fourcc/tag" }, |
| { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, // |
| { "newaudio", OPT_AUDIO, {(void*)opt_new_stream}, "add a new audio stream to the current output stream" }, |
| { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" }, |
| { "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_sample_fmt}, "set sample format, 'list' as argument shows all the sample formats supported", "format" }, |
| |
| /* subtitle options */ |
| { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" }, |
| { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_codec}, "force subtitle codec ('copy' to copy stream)", "codec" }, |
| { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_stream}, "add a new subtitle stream to the current output stream" }, |
| { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" }, |
| { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_codec_tag}, "force subtitle tag/fourcc", "fourcc/tag" }, |
| |
| /* grab options */ |
| { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" }, |
| { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" }, |
| { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" }, |
| |
| /* muxer options */ |
| { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" }, |
| { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" }, |
| |
| { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" }, |
| { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" }, |
| { "sbsf", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" }, |
| |
| { "apre", HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" }, |
| { "vpre", HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" }, |
| { "spre", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" }, |
| { "fpre", HAS_ARG | OPT_EXPERT, {(void*)opt_preset}, "set options from indicated preset file", "filename" }, |
| /* data codec support */ |
| { "dcodec", HAS_ARG | OPT_DATA, {(void*)opt_codec}, "force data codec ('copy' to copy stream)", "codec" }, |
| |
| { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" }, |
| { NULL, }, |
| }; |
| |
| int main(int argc, char **argv) |
| { |
| int64_t ti; |
| |
| av_log_set_flags(AV_LOG_SKIP_REPEATED); |
| |
| if(argc>1 && !strcmp(argv[1], "-d")){ |
| run_as_daemon=1; |
| verbose=-1; |
| av_log_set_callback(log_callback_null); |
| argc--; |
| argv++; |
| } |
| |
| avcodec_register_all(); |
| #if CONFIG_AVDEVICE |
| avdevice_register_all(); |
| #endif |
| #if CONFIG_AVFILTER |
| avfilter_register_all(); |
| #endif |
| av_register_all(); |
| |
| #if HAVE_ISATTY |
| if(isatty(STDIN_FILENO)) |
| avio_set_interrupt_cb(decode_interrupt_cb); |
| #endif |
| |
| init_opts(); |
| |
| if(verbose>=0) |
| show_banner(); |
| |
| /* parse options */ |
| parse_options(argc, argv, options, opt_output_file); |
| |
| if(nb_output_files <= 0 && nb_input_files == 0) { |
| show_usage(); |
| fprintf(stderr, "Use -h to get full help or, even better, run 'man ffmpeg'\n"); |
| ffmpeg_exit(1); |
| } |
| |
| /* file converter / grab */ |
| if (nb_output_files <= 0) { |
| fprintf(stderr, "At least one output file must be specified\n"); |
| ffmpeg_exit(1); |
| } |
| |
| if (nb_input_files == 0) { |
| fprintf(stderr, "At least one input file must be specified\n"); |
| ffmpeg_exit(1); |
| } |
| |
| ti = getutime(); |
| if (transcode(output_files, nb_output_files, input_files, nb_input_files, |
| stream_maps, nb_stream_maps) < 0) |
| ffmpeg_exit(1); |
| ti = getutime() - ti; |
| if (do_benchmark) { |
| int maxrss = getmaxrss() / 1024; |
| printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss); |
| } |
| |
| return ffmpeg_exit(0); |
| } |