| /* |
| * Muxer internal APIs - should not be included outside of ffmpeg_mux* |
| * |
| * 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 |
| */ |
| |
| #ifndef FFTOOLS_FFMPEG_MUX_H |
| #define FFTOOLS_FFMPEG_MUX_H |
| |
| #include <stdatomic.h> |
| #include <stdint.h> |
| |
| #include "ffmpeg_sched.h" |
| |
| #include "libavformat/avformat.h" |
| |
| #include "libavcodec/packet.h" |
| |
| #include "libavutil/dict.h" |
| #include "libavutil/fifo.h" |
| |
| typedef struct MuxStream { |
| OutputStream ost; |
| |
| // name used for logging |
| char log_name[32]; |
| |
| AVBSFContext *bsf_ctx; |
| AVPacket *bsf_pkt; |
| |
| AVPacket *pkt; |
| |
| EncStats stats; |
| |
| int sch_idx; |
| int sch_idx_enc; |
| int sch_idx_src; |
| |
| int sq_idx_mux; |
| |
| int64_t max_frames; |
| |
| // timestamp from which the streamcopied streams should start, |
| // in AV_TIME_BASE_Q; |
| // everything before it should be discarded |
| int64_t ts_copy_start; |
| |
| /* dts of the last packet sent to the muxer, in the stream timebase |
| * used for making up missing dts values */ |
| int64_t last_mux_dts; |
| |
| int64_t stream_duration; |
| AVRational stream_duration_tb; |
| |
| // state for av_rescale_delta() call for audio in write_packet() |
| int64_t ts_rescale_delta_last; |
| |
| // combined size of all the packets sent to the muxer |
| uint64_t data_size_mux; |
| |
| int copy_initial_nonkeyframes; |
| int copy_prior_start; |
| int streamcopy_started; |
| #if FFMPEG_OPT_VSYNC_DROP |
| int ts_drop; |
| #endif |
| |
| char *apad; |
| } MuxStream; |
| |
| typedef struct Muxer { |
| OutputFile of; |
| |
| // name used for logging |
| char log_name[32]; |
| |
| AVFormatContext *fc; |
| |
| Scheduler *sch; |
| unsigned sch_idx; |
| |
| // OutputStream indices indexed by scheduler stream indices |
| int *sch_stream_idx; |
| int nb_sch_stream_idx; |
| |
| AVDictionary *opts; |
| |
| /* filesize limit expressed in bytes */ |
| int64_t limit_filesize; |
| atomic_int_least64_t last_filesize; |
| int header_written; |
| |
| SyncQueue *sq_mux; |
| AVPacket *sq_pkt; |
| } Muxer; |
| |
| int mux_check_init(void *arg); |
| |
| static MuxStream *ms_from_ost(OutputStream *ost) |
| { |
| return (MuxStream*)ost; |
| } |
| |
| #endif /* FFTOOLS_FFMPEG_MUX_H */ |