| /* |
| * Copyright (c) 2007-2010 Stefano Sabatini |
| * |
| * 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 |
| */ |
| |
| /** |
| * @file |
| * simple media prober based on the FFmpeg libraries |
| */ |
| |
| #include "config.h" |
| #include "libavutil/ffversion.h" |
| |
| #include <string.h> |
| |
| #include "libavformat/avformat.h" |
| #include "libavcodec/avcodec.h" |
| #include "libavutil/avassert.h" |
| #include "libavutil/avstring.h" |
| #include "libavutil/bprint.h" |
| #include "libavutil/opt.h" |
| #include "libavutil/pixdesc.h" |
| #include "libavutil/dict.h" |
| #include "libavutil/libm.h" |
| #include "libavutil/parseutils.h" |
| #include "libavutil/timecode.h" |
| #include "libavutil/timestamp.h" |
| #include "libavdevice/avdevice.h" |
| #include "libswscale/swscale.h" |
| #include "libswresample/swresample.h" |
| #include "libpostproc/postprocess.h" |
| #include "cmdutils.h" |
| |
| const char program_name[] = "ffprobe"; |
| const int program_birth_year = 2007; |
| |
| static int do_bitexact = 0; |
| static int do_count_frames = 0; |
| static int do_count_packets = 0; |
| static int do_read_frames = 0; |
| static int do_read_packets = 0; |
| static int do_show_chapters = 0; |
| static int do_show_error = 0; |
| static int do_show_format = 0; |
| static int do_show_frames = 0; |
| static int do_show_packets = 0; |
| static int do_show_programs = 0; |
| static int do_show_streams = 0; |
| static int do_show_stream_disposition = 0; |
| static int do_show_data = 0; |
| static int do_show_program_version = 0; |
| static int do_show_library_versions = 0; |
| |
| static int do_show_chapter_tags = 0; |
| static int do_show_format_tags = 0; |
| static int do_show_frame_tags = 0; |
| static int do_show_program_tags = 0; |
| static int do_show_stream_tags = 0; |
| |
| static int show_value_unit = 0; |
| static int use_value_prefix = 0; |
| static int use_byte_value_binary_prefix = 0; |
| static int use_value_sexagesimal_format = 0; |
| static int show_private_data = 1; |
| |
| static char *print_format; |
| static char *stream_specifier; |
| |
| typedef struct { |
| int id; ///< identifier |
| int64_t start, end; ///< start, end in second/AV_TIME_BASE units |
| int has_start, has_end; |
| int start_is_offset, end_is_offset; |
| int duration_frames; |
| } ReadInterval; |
| |
| static ReadInterval *read_intervals; |
| static int read_intervals_nb = 0; |
| |
| /* section structure definition */ |
| |
| #define SECTION_MAX_NB_CHILDREN 10 |
| |
| struct section { |
| int id; ///< unique id identifying a section |
| const char *name; |
| |
| #define SECTION_FLAG_IS_WRAPPER 1 ///< the section only contains other sections, but has no data at its own level |
| #define SECTION_FLAG_IS_ARRAY 2 ///< the section contains an array of elements of the same type |
| #define SECTION_FLAG_HAS_VARIABLE_FIELDS 4 ///< the section may contain a variable number of fields with variable keys. |
| /// For these sections the element_name field is mandatory. |
| int flags; |
| int children_ids[SECTION_MAX_NB_CHILDREN+1]; ///< list of children section IDS, terminated by -1 |
| const char *element_name; ///< name of the contained element, if provided |
| const char *unique_name; ///< unique section name, in case the name is ambiguous |
| AVDictionary *entries_to_show; |
| int show_all_entries; |
| }; |
| |
| typedef enum { |
| SECTION_ID_NONE = -1, |
| SECTION_ID_CHAPTER, |
| SECTION_ID_CHAPTER_TAGS, |
| SECTION_ID_CHAPTERS, |
| SECTION_ID_ERROR, |
| SECTION_ID_FORMAT, |
| SECTION_ID_FORMAT_TAGS, |
| SECTION_ID_FRAME, |
| SECTION_ID_FRAMES, |
| SECTION_ID_FRAME_TAGS, |
| SECTION_ID_LIBRARY_VERSION, |
| SECTION_ID_LIBRARY_VERSIONS, |
| SECTION_ID_PACKET, |
| SECTION_ID_PACKETS, |
| SECTION_ID_PACKETS_AND_FRAMES, |
| SECTION_ID_PROGRAM_STREAM_DISPOSITION, |
| SECTION_ID_PROGRAM_STREAM_TAGS, |
| SECTION_ID_PROGRAM, |
| SECTION_ID_PROGRAM_STREAMS, |
| SECTION_ID_PROGRAM_STREAM, |
| SECTION_ID_PROGRAM_TAGS, |
| SECTION_ID_PROGRAM_VERSION, |
| SECTION_ID_PROGRAMS, |
| SECTION_ID_ROOT, |
| SECTION_ID_STREAM, |
| SECTION_ID_STREAM_DISPOSITION, |
| SECTION_ID_STREAMS, |
| SECTION_ID_STREAM_TAGS, |
| SECTION_ID_SUBTITLE, |
| } SectionID; |
| |
| static struct section sections[] = { |
| [SECTION_ID_CHAPTERS] = { SECTION_ID_CHAPTERS, "chapters", SECTION_FLAG_IS_ARRAY, { SECTION_ID_CHAPTER, -1 } }, |
| [SECTION_ID_CHAPTER] = { SECTION_ID_CHAPTER, "chapter", 0, { SECTION_ID_CHAPTER_TAGS, -1 } }, |
| [SECTION_ID_CHAPTER_TAGS] = { SECTION_ID_CHAPTER_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "chapter_tags" }, |
| [SECTION_ID_ERROR] = { SECTION_ID_ERROR, "error", 0, { -1 } }, |
| [SECTION_ID_FORMAT] = { SECTION_ID_FORMAT, "format", 0, { SECTION_ID_FORMAT_TAGS, -1 } }, |
| [SECTION_ID_FORMAT_TAGS] = { SECTION_ID_FORMAT_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "format_tags" }, |
| [SECTION_ID_FRAMES] = { SECTION_ID_FRAMES, "frames", SECTION_FLAG_IS_ARRAY, { SECTION_ID_FRAME, SECTION_ID_SUBTITLE, -1 } }, |
| [SECTION_ID_FRAME] = { SECTION_ID_FRAME, "frame", 0, { SECTION_ID_FRAME_TAGS, -1 } }, |
| [SECTION_ID_FRAME_TAGS] = { SECTION_ID_FRAME_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "frame_tags" }, |
| [SECTION_ID_LIBRARY_VERSIONS] = { SECTION_ID_LIBRARY_VERSIONS, "library_versions", SECTION_FLAG_IS_ARRAY, { SECTION_ID_LIBRARY_VERSION, -1 } }, |
| [SECTION_ID_LIBRARY_VERSION] = { SECTION_ID_LIBRARY_VERSION, "library_version", 0, { -1 } }, |
| [SECTION_ID_PACKETS] = { SECTION_ID_PACKETS, "packets", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PACKET, -1} }, |
| [SECTION_ID_PACKETS_AND_FRAMES] = { SECTION_ID_PACKETS_AND_FRAMES, "packets_and_frames", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PACKET, -1} }, |
| [SECTION_ID_PACKET] = { SECTION_ID_PACKET, "packet", 0, { -1 } }, |
| [SECTION_ID_PROGRAM_STREAM_DISPOSITION] = { SECTION_ID_PROGRAM_STREAM_DISPOSITION, "disposition", 0, { -1 }, .unique_name = "program_stream_disposition" }, |
| [SECTION_ID_PROGRAM_STREAM_TAGS] = { SECTION_ID_PROGRAM_STREAM_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "program_stream_tags" }, |
| [SECTION_ID_PROGRAM] = { SECTION_ID_PROGRAM, "program", 0, { SECTION_ID_PROGRAM_TAGS, SECTION_ID_PROGRAM_STREAMS, -1 } }, |
| [SECTION_ID_PROGRAM_STREAMS] = { SECTION_ID_PROGRAM_STREAMS, "streams", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PROGRAM_STREAM, -1 }, .unique_name = "program_streams" }, |
| [SECTION_ID_PROGRAM_STREAM] = { SECTION_ID_PROGRAM_STREAM, "stream", 0, { SECTION_ID_PROGRAM_STREAM_DISPOSITION, SECTION_ID_PROGRAM_STREAM_TAGS, -1 }, .unique_name = "program_stream" }, |
| [SECTION_ID_PROGRAM_TAGS] = { SECTION_ID_PROGRAM_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "program_tags" }, |
| [SECTION_ID_PROGRAM_VERSION] = { SECTION_ID_PROGRAM_VERSION, "program_version", 0, { -1 } }, |
| [SECTION_ID_PROGRAMS] = { SECTION_ID_PROGRAMS, "programs", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PROGRAM, -1 } }, |
| [SECTION_ID_ROOT] = { SECTION_ID_ROOT, "root", SECTION_FLAG_IS_WRAPPER, |
| { SECTION_ID_CHAPTERS, SECTION_ID_FORMAT, SECTION_ID_FRAMES, SECTION_ID_PROGRAMS, SECTION_ID_STREAMS, |
| SECTION_ID_PACKETS, SECTION_ID_ERROR, SECTION_ID_PROGRAM_VERSION, SECTION_ID_LIBRARY_VERSIONS, -1} }, |
| [SECTION_ID_STREAMS] = { SECTION_ID_STREAMS, "streams", SECTION_FLAG_IS_ARRAY, { SECTION_ID_STREAM, -1 } }, |
| [SECTION_ID_STREAM] = { SECTION_ID_STREAM, "stream", 0, { SECTION_ID_STREAM_DISPOSITION, SECTION_ID_STREAM_TAGS, -1 } }, |
| [SECTION_ID_STREAM_DISPOSITION] = { SECTION_ID_STREAM_DISPOSITION, "disposition", 0, { -1 }, .unique_name = "stream_disposition" }, |
| [SECTION_ID_STREAM_TAGS] = { SECTION_ID_STREAM_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "stream_tags" }, |
| [SECTION_ID_SUBTITLE] = { SECTION_ID_SUBTITLE, "subtitle", 0, { -1 } }, |
| }; |
| |
| static const OptionDef *options; |
| |
| /* FFprobe context */ |
| static const char *input_filename; |
| static AVInputFormat *iformat = NULL; |
| |
| static const char *const binary_unit_prefixes [] = { "", "Ki", "Mi", "Gi", "Ti", "Pi" }; |
| static const char *const decimal_unit_prefixes[] = { "", "K" , "M" , "G" , "T" , "P" }; |
| |
| static const char unit_second_str[] = "s" ; |
| static const char unit_hertz_str[] = "Hz" ; |
| static const char unit_byte_str[] = "byte" ; |
| static const char unit_bit_per_second_str[] = "bit/s"; |
| |
| static int nb_streams; |
| static uint64_t *nb_streams_packets; |
| static uint64_t *nb_streams_frames; |
| static int *selected_streams; |
| |
| static void ffprobe_cleanup(int ret) |
| { |
| int i; |
| for (i = 0; i < FF_ARRAY_ELEMS(sections); i++) |
| av_dict_free(&(sections[i].entries_to_show)); |
| } |
| |
| struct unit_value { |
| union { double d; long long int i; } val; |
| const char *unit; |
| }; |
| |
| static char *value_string(char *buf, int buf_size, struct unit_value uv) |
| { |
| double vald; |
| long long int vali; |
| int show_float = 0; |
| |
| if (uv.unit == unit_second_str) { |
| vald = uv.val.d; |
| show_float = 1; |
| } else { |
| vald = vali = uv.val.i; |
| } |
| |
| if (uv.unit == unit_second_str && use_value_sexagesimal_format) { |
| double secs; |
| int hours, mins; |
| secs = vald; |
| mins = (int)secs / 60; |
| secs = secs - mins * 60; |
| hours = mins / 60; |
| mins %= 60; |
| snprintf(buf, buf_size, "%d:%02d:%09.6f", hours, mins, secs); |
| } else { |
| const char *prefix_string = ""; |
| |
| if (use_value_prefix && vald > 1) { |
| long long int index; |
| |
| if (uv.unit == unit_byte_str && use_byte_value_binary_prefix) { |
| index = (long long int) (log2(vald)) / 10; |
| index = av_clip(index, 0, FF_ARRAY_ELEMS(binary_unit_prefixes) - 1); |
| vald /= exp2(index * 10); |
| prefix_string = binary_unit_prefixes[index]; |
| } else { |
| index = (long long int) (log10(vald)) / 3; |
| index = av_clip(index, 0, FF_ARRAY_ELEMS(decimal_unit_prefixes) - 1); |
| vald /= pow(10, index * 3); |
| prefix_string = decimal_unit_prefixes[index]; |
| } |
| vali = vald; |
| } |
| |
| if (show_float || (use_value_prefix && vald != (long long int)vald)) |
| snprintf(buf, buf_size, "%f", vald); |
| else |
| snprintf(buf, buf_size, "%lld", vali); |
| av_strlcatf(buf, buf_size, "%s%s%s", *prefix_string || show_value_unit ? " " : "", |
| prefix_string, show_value_unit ? uv.unit : ""); |
| } |
| |
| return buf; |
| } |
| |
| /* WRITERS API */ |
| |
| typedef struct WriterContext WriterContext; |
| |
| #define WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS 1 |
| #define WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER 2 |
| |
| typedef enum { |
| WRITER_STRING_VALIDATION_FAIL, |
| WRITER_STRING_VALIDATION_REPLACE, |
| WRITER_STRING_VALIDATION_IGNORE, |
| WRITER_STRING_VALIDATION_NB |
| } StringValidation; |
| |
| typedef struct Writer { |
| const AVClass *priv_class; ///< private class of the writer, if any |
| int priv_size; ///< private size for the writer context |
| const char *name; |
| |
| int (*init) (WriterContext *wctx); |
| void (*uninit)(WriterContext *wctx); |
| |
| void (*print_section_header)(WriterContext *wctx); |
| void (*print_section_footer)(WriterContext *wctx); |
| void (*print_integer) (WriterContext *wctx, const char *, long long int); |
| void (*print_rational) (WriterContext *wctx, AVRational *q, char *sep); |
| void (*print_string) (WriterContext *wctx, const char *, const char *); |
| int flags; ///< a combination or WRITER_FLAG_* |
| } Writer; |
| |
| #define SECTION_MAX_NB_LEVELS 10 |
| |
| struct WriterContext { |
| const AVClass *class; ///< class of the writer |
| const Writer *writer; ///< the Writer of which this is an instance |
| char *name; ///< name of this writer instance |
| void *priv; ///< private data for use by the filter |
| |
| const struct section *sections; ///< array containing all sections |
| int nb_sections; ///< number of sections |
| |
| int level; ///< current level, starting from 0 |
| |
| /** number of the item printed in the given section, starting from 0 */ |
| unsigned int nb_item[SECTION_MAX_NB_LEVELS]; |
| |
| /** section per each level */ |
| const struct section *section[SECTION_MAX_NB_LEVELS]; |
| AVBPrint section_pbuf[SECTION_MAX_NB_LEVELS]; ///< generic print buffer dedicated to each section, |
| /// used by various writers |
| |
| unsigned int nb_section_packet; ///< number of the packet section in case we are in "packets_and_frames" section |
| unsigned int nb_section_frame; ///< number of the frame section in case we are in "packets_and_frames" section |
| unsigned int nb_section_packet_frame; ///< nb_section_packet or nb_section_frame according if is_packets_and_frames |
| |
| StringValidation string_validation; |
| char *string_validation_replacement; |
| unsigned int string_validation_utf8_flags; |
| }; |
| |
| static const char *writer_get_name(void *p) |
| { |
| WriterContext *wctx = p; |
| return wctx->writer->name; |
| } |
| |
| #define OFFSET(x) offsetof(WriterContext, x) |
| |
| static const AVOption writer_options[] = { |
| { "string_validation", "set string validation mode", |
| OFFSET(string_validation), AV_OPT_TYPE_INT, {.i64=WRITER_STRING_VALIDATION_REPLACE}, 0, WRITER_STRING_VALIDATION_NB-1, .unit = "sv" }, |
| { "sv", "set string validation mode", |
| OFFSET(string_validation), AV_OPT_TYPE_INT, {.i64=WRITER_STRING_VALIDATION_REPLACE}, 0, WRITER_STRING_VALIDATION_NB-1, .unit = "sv" }, |
| { "ignore", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = WRITER_STRING_VALIDATION_IGNORE}, .unit = "sv" }, |
| { "replace", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = WRITER_STRING_VALIDATION_REPLACE}, .unit = "sv" }, |
| { "fail", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = WRITER_STRING_VALIDATION_FAIL}, .unit = "sv" }, |
| { "string_validation_replacement", "set string validation replacement string", OFFSET(string_validation_replacement), AV_OPT_TYPE_STRING, {.str=""}}, |
| { "svr", "set string validation replacement string", OFFSET(string_validation_replacement), AV_OPT_TYPE_STRING, {.str="\xEF\xBF\xBD"}}, |
| { NULL } |
| }; |
| |
| static void *writer_child_next(void *obj, void *prev) |
| { |
| WriterContext *ctx = obj; |
| if (!prev && ctx->writer && ctx->writer->priv_class && ctx->priv) |
| return ctx->priv; |
| return NULL; |
| } |
| |
| static const AVClass writer_class = { |
| .class_name = "Writer", |
| .item_name = writer_get_name, |
| .option = writer_options, |
| .version = LIBAVUTIL_VERSION_INT, |
| .child_next = writer_child_next, |
| }; |
| |
| static void writer_close(WriterContext **wctx) |
| { |
| int i; |
| |
| if (!*wctx) |
| return; |
| |
| if ((*wctx)->writer->uninit) |
| (*wctx)->writer->uninit(*wctx); |
| for (i = 0; i < SECTION_MAX_NB_LEVELS; i++) |
| av_bprint_finalize(&(*wctx)->section_pbuf[i], NULL); |
| if ((*wctx)->writer->priv_class) |
| av_opt_free((*wctx)->priv); |
| av_freep(&((*wctx)->priv)); |
| av_opt_free(*wctx); |
| av_freep(wctx); |
| } |
| |
| static void bprint_bytes(AVBPrint *bp, const uint8_t *ubuf, size_t ubuf_size) |
| { |
| int i; |
| av_bprintf(bp, "0X"); |
| for (i = 0; i < ubuf_size; i++) |
| av_bprintf(bp, "%02X", ubuf[i]); |
| } |
| |
| |
| static int writer_open(WriterContext **wctx, const Writer *writer, const char *args, |
| const struct section *sections, int nb_sections) |
| { |
| int i, ret = 0; |
| |
| if (!(*wctx = av_mallocz(sizeof(WriterContext)))) { |
| ret = AVERROR(ENOMEM); |
| goto fail; |
| } |
| |
| if (!((*wctx)->priv = av_mallocz(writer->priv_size))) { |
| ret = AVERROR(ENOMEM); |
| goto fail; |
| } |
| |
| (*wctx)->class = &writer_class; |
| (*wctx)->writer = writer; |
| (*wctx)->level = -1; |
| (*wctx)->sections = sections; |
| (*wctx)->nb_sections = nb_sections; |
| |
| av_opt_set_defaults(*wctx); |
| |
| if (writer->priv_class) { |
| void *priv_ctx = (*wctx)->priv; |
| *((const AVClass **)priv_ctx) = writer->priv_class; |
| av_opt_set_defaults(priv_ctx); |
| } |
| |
| /* convert options to dictionary */ |
| if (args) { |
| AVDictionary *opts = NULL; |
| AVDictionaryEntry *opt = NULL; |
| |
| if ((ret = av_dict_parse_string(&opts, args, "=", ":", 0)) < 0) { |
| av_log(*wctx, AV_LOG_ERROR, "Failed to parse option string '%s' provided to writer context\n", args); |
| av_dict_free(&opts); |
| goto fail; |
| } |
| |
| while ((opt = av_dict_get(opts, "", opt, AV_DICT_IGNORE_SUFFIX))) { |
| if ((ret = av_opt_set(*wctx, opt->key, opt->value, AV_OPT_SEARCH_CHILDREN)) < 0) { |
| av_log(*wctx, AV_LOG_ERROR, "Failed to set option '%s' with value '%s' provided to writer context\n", |
| opt->key, opt->value); |
| av_dict_free(&opts); |
| goto fail; |
| } |
| } |
| |
| av_dict_free(&opts); |
| } |
| |
| /* validate replace string */ |
| { |
| const uint8_t *p = (*wctx)->string_validation_replacement; |
| const uint8_t *endp = p + strlen(p); |
| while (*p) { |
| const uint8_t *p0 = p; |
| int32_t code; |
| ret = av_utf8_decode(&code, &p, endp, (*wctx)->string_validation_utf8_flags); |
| if (ret < 0) { |
| AVBPrint bp; |
| av_bprint_init(&bp, 0, AV_BPRINT_SIZE_AUTOMATIC); |
| bprint_bytes(&bp, p0, p-p0), |
| av_log(wctx, AV_LOG_ERROR, |
| "Invalid UTF8 sequence %s found in string validation replace '%s'\n", |
| bp.str, (*wctx)->string_validation_replacement); |
| return ret; |
| } |
| } |
| } |
| |
| for (i = 0; i < SECTION_MAX_NB_LEVELS; i++) |
| av_bprint_init(&(*wctx)->section_pbuf[i], 1, AV_BPRINT_SIZE_UNLIMITED); |
| |
| if ((*wctx)->writer->init) |
| ret = (*wctx)->writer->init(*wctx); |
| if (ret < 0) |
| goto fail; |
| |
| return 0; |
| |
| fail: |
| writer_close(wctx); |
| return ret; |
| } |
| |
| static inline void writer_print_section_header(WriterContext *wctx, |
| int section_id) |
| { |
| int parent_section_id; |
| wctx->level++; |
| av_assert0(wctx->level < SECTION_MAX_NB_LEVELS); |
| parent_section_id = wctx->level ? |
| (wctx->section[wctx->level-1])->id : SECTION_ID_NONE; |
| |
| wctx->nb_item[wctx->level] = 0; |
| wctx->section[wctx->level] = &wctx->sections[section_id]; |
| |
| if (section_id == SECTION_ID_PACKETS_AND_FRAMES) { |
| wctx->nb_section_packet = wctx->nb_section_frame = |
| wctx->nb_section_packet_frame = 0; |
| } else if (parent_section_id == SECTION_ID_PACKETS_AND_FRAMES) { |
| wctx->nb_section_packet_frame = section_id == SECTION_ID_PACKET ? |
| wctx->nb_section_packet : wctx->nb_section_frame; |
| } |
| |
| if (wctx->writer->print_section_header) |
| wctx->writer->print_section_header(wctx); |
| } |
| |
| static inline void writer_print_section_footer(WriterContext *wctx) |
| { |
| int section_id = wctx->section[wctx->level]->id; |
| int parent_section_id = wctx->level ? |
| wctx->section[wctx->level-1]->id : SECTION_ID_NONE; |
| |
| if (parent_section_id != SECTION_ID_NONE) |
| wctx->nb_item[wctx->level-1]++; |
| if (parent_section_id == SECTION_ID_PACKETS_AND_FRAMES) { |
| if (section_id == SECTION_ID_PACKET) wctx->nb_section_packet++; |
| else wctx->nb_section_frame++; |
| } |
| if (wctx->writer->print_section_footer) |
| wctx->writer->print_section_footer(wctx); |
| wctx->level--; |
| } |
| |
| static inline void writer_print_integer(WriterContext *wctx, |
| const char *key, long long int val) |
| { |
| const struct section *section = wctx->section[wctx->level]; |
| |
| if (section->show_all_entries || av_dict_get(section->entries_to_show, key, NULL, 0)) { |
| wctx->writer->print_integer(wctx, key, val); |
| wctx->nb_item[wctx->level]++; |
| } |
| } |
| |
| static inline int validate_string(WriterContext *wctx, char **dstp, const char *src) |
| { |
| const uint8_t *p, *endp; |
| AVBPrint dstbuf; |
| int invalid_chars_nb = 0, ret = 0; |
| |
| av_bprint_init(&dstbuf, 0, AV_BPRINT_SIZE_UNLIMITED); |
| |
| endp = src + strlen(src); |
| for (p = (uint8_t *)src; *p;) { |
| uint32_t code; |
| int invalid = 0; |
| const uint8_t *p0 = p; |
| |
| if (av_utf8_decode(&code, &p, endp, wctx->string_validation_utf8_flags) < 0) { |
| AVBPrint bp; |
| av_bprint_init(&bp, 0, AV_BPRINT_SIZE_AUTOMATIC); |
| bprint_bytes(&bp, p0, p-p0); |
| av_log(wctx, AV_LOG_DEBUG, |
| "Invalid UTF-8 sequence %s found in string '%s'\n", bp.str, src); |
| invalid = 1; |
| } |
| |
| if (invalid) { |
| invalid_chars_nb++; |
| |
| switch (wctx->string_validation) { |
| case WRITER_STRING_VALIDATION_FAIL: |
| av_log(wctx, AV_LOG_ERROR, |
| "Invalid UTF-8 sequence found in string '%s'\n", src); |
| ret = AVERROR_INVALIDDATA; |
| goto end; |
| break; |
| |
| case WRITER_STRING_VALIDATION_REPLACE: |
| av_bprintf(&dstbuf, "%s", wctx->string_validation_replacement); |
| break; |
| } |
| } |
| |
| if (!invalid || wctx->string_validation == WRITER_STRING_VALIDATION_IGNORE) |
| av_bprint_append_data(&dstbuf, p0, p-p0); |
| } |
| |
| if (invalid_chars_nb && wctx->string_validation == WRITER_STRING_VALIDATION_REPLACE) { |
| av_log(wctx, AV_LOG_WARNING, |
| "%d invalid UTF-8 sequence(s) found in string '%s', replaced with '%s'\n", |
| invalid_chars_nb, src, wctx->string_validation_replacement); |
| } |
| |
| end: |
| av_bprint_finalize(&dstbuf, dstp); |
| return ret; |
| } |
| |
| #define PRINT_STRING_OPT 1 |
| #define PRINT_STRING_VALIDATE 2 |
| |
| static inline int writer_print_string(WriterContext *wctx, |
| const char *key, const char *val, int flags) |
| { |
| const struct section *section = wctx->section[wctx->level]; |
| int ret = 0; |
| |
| if ((flags & PRINT_STRING_OPT) |
| && !(wctx->writer->flags & WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS)) |
| return 0; |
| |
| if (section->show_all_entries || av_dict_get(section->entries_to_show, key, NULL, 0)) { |
| if (flags & PRINT_STRING_VALIDATE) { |
| char *key1 = NULL, *val1 = NULL; |
| ret = validate_string(wctx, &key1, key); |
| if (ret < 0) goto end; |
| ret = validate_string(wctx, &val1, val); |
| if (ret < 0) goto end; |
| wctx->writer->print_string(wctx, key1, val1); |
| end: |
| if (ret < 0) { |
| av_log(wctx, AV_LOG_ERROR, |
| "Invalid key=value string combination %s=%s in section %s\n", |
| key, val, section->unique_name); |
| } |
| av_free(key1); |
| av_free(val1); |
| } else { |
| wctx->writer->print_string(wctx, key, val); |
| } |
| |
| wctx->nb_item[wctx->level]++; |
| } |
| |
| return ret; |
| } |
| |
| static inline void writer_print_rational(WriterContext *wctx, |
| const char *key, AVRational q, char sep) |
| { |
| AVBPrint buf; |
| av_bprint_init(&buf, 0, AV_BPRINT_SIZE_AUTOMATIC); |
| av_bprintf(&buf, "%d%c%d", q.num, sep, q.den); |
| writer_print_string(wctx, key, buf.str, 0); |
| } |
| |
| static void writer_print_time(WriterContext *wctx, const char *key, |
| int64_t ts, const AVRational *time_base, int is_duration) |
| { |
| char buf[128]; |
| |
| if ((!is_duration && ts == AV_NOPTS_VALUE) || (is_duration && ts == 0)) { |
| writer_print_string(wctx, key, "N/A", PRINT_STRING_OPT); |
| } else { |
| double d = ts * av_q2d(*time_base); |
| struct unit_value uv; |
| uv.val.d = d; |
| uv.unit = unit_second_str; |
| value_string(buf, sizeof(buf), uv); |
| writer_print_string(wctx, key, buf, 0); |
| } |
| } |
| |
| static void writer_print_ts(WriterContext *wctx, const char *key, int64_t ts, int is_duration) |
| { |
| if ((!is_duration && ts == AV_NOPTS_VALUE) || (is_duration && ts == 0)) { |
| writer_print_string(wctx, key, "N/A", PRINT_STRING_OPT); |
| } else { |
| writer_print_integer(wctx, key, ts); |
| } |
| } |
| |
| static void writer_print_data(WriterContext *wctx, const char *name, |
| uint8_t *data, int size) |
| { |
| AVBPrint bp; |
| int offset = 0, l, i; |
| |
| av_bprint_init(&bp, 0, AV_BPRINT_SIZE_UNLIMITED); |
| av_bprintf(&bp, "\n"); |
| while (size) { |
| av_bprintf(&bp, "%08x: ", offset); |
| l = FFMIN(size, 16); |
| for (i = 0; i < l; i++) { |
| av_bprintf(&bp, "%02x", data[i]); |
| if (i & 1) |
| av_bprintf(&bp, " "); |
| } |
| av_bprint_chars(&bp, ' ', 41 - 2 * i - i / 2); |
| for (i = 0; i < l; i++) |
| av_bprint_chars(&bp, data[i] - 32U < 95 ? data[i] : '.', 1); |
| av_bprintf(&bp, "\n"); |
| offset += l; |
| data += l; |
| size -= l; |
| } |
| writer_print_string(wctx, name, bp.str, 0); |
| av_bprint_finalize(&bp, NULL); |
| } |
| |
| #define MAX_REGISTERED_WRITERS_NB 64 |
| |
| static const Writer *registered_writers[MAX_REGISTERED_WRITERS_NB + 1]; |
| |
| static int writer_register(const Writer *writer) |
| { |
| static int next_registered_writer_idx = 0; |
| |
| if (next_registered_writer_idx == MAX_REGISTERED_WRITERS_NB) |
| return AVERROR(ENOMEM); |
| |
| registered_writers[next_registered_writer_idx++] = writer; |
| return 0; |
| } |
| |
| static const Writer *writer_get_by_name(const char *name) |
| { |
| int i; |
| |
| for (i = 0; registered_writers[i]; i++) |
| if (!strcmp(registered_writers[i]->name, name)) |
| return registered_writers[i]; |
| |
| return NULL; |
| } |
| |
| |
| /* WRITERS */ |
| |
| #define DEFINE_WRITER_CLASS(name) \ |
| static const char *name##_get_name(void *ctx) \ |
| { \ |
| return #name ; \ |
| } \ |
| static const AVClass name##_class = { \ |
| .class_name = #name, \ |
| .item_name = name##_get_name, \ |
| .option = name##_options \ |
| } |
| |
| /* Default output */ |
| |
| typedef struct DefaultContext { |
| const AVClass *class; |
| int nokey; |
| int noprint_wrappers; |
| int nested_section[SECTION_MAX_NB_LEVELS]; |
| } DefaultContext; |
| |
| #undef OFFSET |
| #define OFFSET(x) offsetof(DefaultContext, x) |
| |
| static const AVOption default_options[] = { |
| { "noprint_wrappers", "do not print headers and footers", OFFSET(noprint_wrappers), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 }, |
| { "nw", "do not print headers and footers", OFFSET(noprint_wrappers), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 }, |
| { "nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 }, |
| { "nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 }, |
| {NULL}, |
| }; |
| |
| DEFINE_WRITER_CLASS(default); |
| |
| /* lame uppercasing routine, assumes the string is lower case ASCII */ |
| static inline char *upcase_string(char *dst, size_t dst_size, const char *src) |
| { |
| int i; |
| for (i = 0; src[i] && i < dst_size-1; i++) |
| dst[i] = av_toupper(src[i]); |
| dst[i] = 0; |
| return dst; |
| } |
| |
| static void default_print_section_header(WriterContext *wctx) |
| { |
| DefaultContext *def = wctx->priv; |
| char buf[32]; |
| const struct section *section = wctx->section[wctx->level]; |
| const struct section *parent_section = wctx->level ? |
| wctx->section[wctx->level-1] : NULL; |
| |
| av_bprint_clear(&wctx->section_pbuf[wctx->level]); |
| if (parent_section && |
| !(parent_section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY))) { |
| def->nested_section[wctx->level] = 1; |
| av_bprintf(&wctx->section_pbuf[wctx->level], "%s%s:", |
| wctx->section_pbuf[wctx->level-1].str, |
| upcase_string(buf, sizeof(buf), |
| av_x_if_null(section->element_name, section->name))); |
| } |
| |
| if (def->noprint_wrappers || def->nested_section[wctx->level]) |
| return; |
| |
| if (!(section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY))) |
| printf("[%s]\n", upcase_string(buf, sizeof(buf), section->name)); |
| } |
| |
| static void default_print_section_footer(WriterContext *wctx) |
| { |
| DefaultContext *def = wctx->priv; |
| const struct section *section = wctx->section[wctx->level]; |
| char buf[32]; |
| |
| if (def->noprint_wrappers || def->nested_section[wctx->level]) |
| return; |
| |
| if (!(section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY))) |
| printf("[/%s]\n", upcase_string(buf, sizeof(buf), section->name)); |
| } |
| |
| static void default_print_str(WriterContext *wctx, const char *key, const char *value) |
| { |
| DefaultContext *def = wctx->priv; |
| |
| if (!def->nokey) |
| printf("%s%s=", wctx->section_pbuf[wctx->level].str, key); |
| printf("%s\n", value); |
| } |
| |
| static void default_print_int(WriterContext *wctx, const char *key, long long int value) |
| { |
| DefaultContext *def = wctx->priv; |
| |
| if (!def->nokey) |
| printf("%s%s=", wctx->section_pbuf[wctx->level].str, key); |
| printf("%lld\n", value); |
| } |
| |
| static const Writer default_writer = { |
| .name = "default", |
| .priv_size = sizeof(DefaultContext), |
| .print_section_header = default_print_section_header, |
| .print_section_footer = default_print_section_footer, |
| .print_integer = default_print_int, |
| .print_string = default_print_str, |
| .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS, |
| .priv_class = &default_class, |
| }; |
| |
| /* Compact output */ |
| |
| /** |
| * Apply C-language-like string escaping. |
| */ |
| static const char *c_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx) |
| { |
| const char *p; |
| |
| for (p = src; *p; p++) { |
| switch (*p) { |
| case '\b': av_bprintf(dst, "%s", "\\b"); break; |
| case '\f': av_bprintf(dst, "%s", "\\f"); break; |
| case '\n': av_bprintf(dst, "%s", "\\n"); break; |
| case '\r': av_bprintf(dst, "%s", "\\r"); break; |
| case '\\': av_bprintf(dst, "%s", "\\\\"); break; |
| default: |
| if (*p == sep) |
| av_bprint_chars(dst, '\\', 1); |
| av_bprint_chars(dst, *p, 1); |
| } |
| } |
| return dst->str; |
| } |
| |
| /** |
| * Quote fields containing special characters, check RFC4180. |
| */ |
| static const char *csv_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx) |
| { |
| char meta_chars[] = { sep, '"', '\n', '\r', '\0' }; |
| int needs_quoting = !!src[strcspn(src, meta_chars)]; |
| |
| if (needs_quoting) |
| av_bprint_chars(dst, '"', 1); |
| |
| for (; *src; src++) { |
| if (*src == '"') |
| av_bprint_chars(dst, '"', 1); |
| av_bprint_chars(dst, *src, 1); |
| } |
| if (needs_quoting) |
| av_bprint_chars(dst, '"', 1); |
| return dst->str; |
| } |
| |
| static const char *none_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx) |
| { |
| return src; |
| } |
| |
| typedef struct CompactContext { |
| const AVClass *class; |
| char *item_sep_str; |
| char item_sep; |
| int nokey; |
| int print_section; |
| char *escape_mode_str; |
| const char * (*escape_str)(AVBPrint *dst, const char *src, const char sep, void *log_ctx); |
| int nested_section[SECTION_MAX_NB_LEVELS]; |
| int has_nested_elems[SECTION_MAX_NB_LEVELS]; |
| int terminate_line[SECTION_MAX_NB_LEVELS]; |
| } CompactContext; |
| |
| #undef OFFSET |
| #define OFFSET(x) offsetof(CompactContext, x) |
| |
| static const AVOption compact_options[]= { |
| {"item_sep", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str="|"}, CHAR_MIN, CHAR_MAX }, |
| {"s", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str="|"}, CHAR_MIN, CHAR_MAX }, |
| {"nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 }, |
| {"nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 }, |
| {"escape", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="c"}, CHAR_MIN, CHAR_MAX }, |
| {"e", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="c"}, CHAR_MIN, CHAR_MAX }, |
| {"print_section", "print section name", OFFSET(print_section), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 }, |
| {"p", "print section name", OFFSET(print_section), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 }, |
| {NULL}, |
| }; |
| |
| DEFINE_WRITER_CLASS(compact); |
| |
| static av_cold int compact_init(WriterContext *wctx) |
| { |
| CompactContext *compact = wctx->priv; |
| |
| if (strlen(compact->item_sep_str) != 1) { |
| av_log(wctx, AV_LOG_ERROR, "Item separator '%s' specified, but must contain a single character\n", |
| compact->item_sep_str); |
| return AVERROR(EINVAL); |
| } |
| compact->item_sep = compact->item_sep_str[0]; |
| |
| if (!strcmp(compact->escape_mode_str, "none")) compact->escape_str = none_escape_str; |
| else if (!strcmp(compact->escape_mode_str, "c" )) compact->escape_str = c_escape_str; |
| else if (!strcmp(compact->escape_mode_str, "csv" )) compact->escape_str = csv_escape_str; |
| else { |
| av_log(wctx, AV_LOG_ERROR, "Unknown escape mode '%s'\n", compact->escape_mode_str); |
| return AVERROR(EINVAL); |
| } |
| |
| return 0; |
| } |
| |
| static void compact_print_section_header(WriterContext *wctx) |
| { |
| CompactContext *compact = wctx->priv; |
| const struct section *section = wctx->section[wctx->level]; |
| const struct section *parent_section = wctx->level ? |
| wctx->section[wctx->level-1] : NULL; |
| compact->terminate_line[wctx->level] = 1; |
| compact->has_nested_elems[wctx->level] = 0; |
| |
| av_bprint_clear(&wctx->section_pbuf[wctx->level]); |
| if (!(section->flags & SECTION_FLAG_IS_ARRAY) && parent_section && |
| !(parent_section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY))) { |
| compact->nested_section[wctx->level] = 1; |
| compact->has_nested_elems[wctx->level-1] = 1; |
| av_bprintf(&wctx->section_pbuf[wctx->level], "%s%s:", |
| wctx->section_pbuf[wctx->level-1].str, |
| (char *)av_x_if_null(section->element_name, section->name)); |
| wctx->nb_item[wctx->level] = wctx->nb_item[wctx->level-1]; |
| } else { |
| if (parent_section && compact->has_nested_elems[wctx->level-1] && |
| (section->flags & SECTION_FLAG_IS_ARRAY)) { |
| compact->terminate_line[wctx->level-1] = 0; |
| printf("\n"); |
| } |
| if (compact->print_section && |
| !(section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY))) |
| printf("%s%c", section->name, compact->item_sep); |
| } |
| } |
| |
| static void compact_print_section_footer(WriterContext *wctx) |
| { |
| CompactContext *compact = wctx->priv; |
| |
| if (!compact->nested_section[wctx->level] && |
| compact->terminate_line[wctx->level] && |
| !(wctx->section[wctx->level]->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY))) |
| printf("\n"); |
| } |
| |
| static void compact_print_str(WriterContext *wctx, const char *key, const char *value) |
| { |
| CompactContext *compact = wctx->priv; |
| AVBPrint buf; |
| |
| if (wctx->nb_item[wctx->level]) printf("%c", compact->item_sep); |
| if (!compact->nokey) |
| printf("%s%s=", wctx->section_pbuf[wctx->level].str, key); |
| av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED); |
| printf("%s", compact->escape_str(&buf, value, compact->item_sep, wctx)); |
| av_bprint_finalize(&buf, NULL); |
| } |
| |
| static void compact_print_int(WriterContext *wctx, const char *key, long long int value) |
| { |
| CompactContext *compact = wctx->priv; |
| |
| if (wctx->nb_item[wctx->level]) printf("%c", compact->item_sep); |
| if (!compact->nokey) |
| printf("%s%s=", wctx->section_pbuf[wctx->level].str, key); |
| printf("%lld", value); |
| } |
| |
| static const Writer compact_writer = { |
| .name = "compact", |
| .priv_size = sizeof(CompactContext), |
| .init = compact_init, |
| .print_section_header = compact_print_section_header, |
| .print_section_footer = compact_print_section_footer, |
| .print_integer = compact_print_int, |
| .print_string = compact_print_str, |
| .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS, |
| .priv_class = &compact_class, |
| }; |
| |
| /* CSV output */ |
| |
| #undef OFFSET |
| #define OFFSET(x) offsetof(CompactContext, x) |
| |
| static const AVOption csv_options[] = { |
| {"item_sep", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str=","}, CHAR_MIN, CHAR_MAX }, |
| {"s", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str=","}, CHAR_MIN, CHAR_MAX }, |
| {"nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 }, |
| {"nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 }, |
| {"escape", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="csv"}, CHAR_MIN, CHAR_MAX }, |
| {"e", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="csv"}, CHAR_MIN, CHAR_MAX }, |
| {"print_section", "print section name", OFFSET(print_section), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 }, |
| {"p", "print section name", OFFSET(print_section), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 }, |
| {NULL}, |
| }; |
| |
| DEFINE_WRITER_CLASS(csv); |
| |
| static const Writer csv_writer = { |
| .name = "csv", |
| .priv_size = sizeof(CompactContext), |
| .init = compact_init, |
| .print_section_header = compact_print_section_header, |
| .print_section_footer = compact_print_section_footer, |
| .print_integer = compact_print_int, |
| .print_string = compact_print_str, |
| .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS, |
| .priv_class = &csv_class, |
| }; |
| |
| /* Flat output */ |
| |
| typedef struct FlatContext { |
| const AVClass *class; |
| const char *sep_str; |
| char sep; |
| int hierarchical; |
| } FlatContext; |
| |
| #undef OFFSET |
| #define OFFSET(x) offsetof(FlatContext, x) |
| |
| static const AVOption flat_options[]= { |
| {"sep_char", "set separator", OFFSET(sep_str), AV_OPT_TYPE_STRING, {.str="."}, CHAR_MIN, CHAR_MAX }, |
| {"s", "set separator", OFFSET(sep_str), AV_OPT_TYPE_STRING, {.str="."}, CHAR_MIN, CHAR_MAX }, |
| {"hierarchical", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 }, |
| {"h", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 }, |
| {NULL}, |
| }; |
| |
| DEFINE_WRITER_CLASS(flat); |
| |
| static av_cold int flat_init(WriterContext *wctx) |
| { |
| FlatContext *flat = wctx->priv; |
| |
| if (strlen(flat->sep_str) != 1) { |
| av_log(wctx, AV_LOG_ERROR, "Item separator '%s' specified, but must contain a single character\n", |
| flat->sep_str); |
| return AVERROR(EINVAL); |
| } |
| flat->sep = flat->sep_str[0]; |
| |
| return 0; |
| } |
| |
| static const char *flat_escape_key_str(AVBPrint *dst, const char *src, const char sep) |
| { |
| const char *p; |
| |
| for (p = src; *p; p++) { |
| if (!((*p >= '0' && *p <= '9') || |
| (*p >= 'a' && *p <= 'z') || |
| (*p >= 'A' && *p <= 'Z'))) |
| av_bprint_chars(dst, '_', 1); |
| else |
| av_bprint_chars(dst, *p, 1); |
| } |
| return dst->str; |
| } |
| |
| static const char *flat_escape_value_str(AVBPrint *dst, const char *src) |
| { |
| const char *p; |
| |
| for (p = src; *p; p++) { |
| switch (*p) { |
| case '\n': av_bprintf(dst, "%s", "\\n"); break; |
| case '\r': av_bprintf(dst, "%s", "\\r"); break; |
| case '\\': av_bprintf(dst, "%s", "\\\\"); break; |
| case '"': av_bprintf(dst, "%s", "\\\""); break; |
| case '`': av_bprintf(dst, "%s", "\\`"); break; |
| case '$': av_bprintf(dst, "%s", "\\$"); break; |
| default: av_bprint_chars(dst, *p, 1); break; |
| } |
| } |
| return dst->str; |
| } |
| |
| static void flat_print_section_header(WriterContext *wctx) |
| { |
| FlatContext *flat = wctx->priv; |
| AVBPrint *buf = &wctx->section_pbuf[wctx->level]; |
| const struct section *section = wctx->section[wctx->level]; |
| const struct section *parent_section = wctx->level ? |
| wctx->section[wctx->level-1] : NULL; |
| |
| /* build section header */ |
| av_bprint_clear(buf); |
| if (!parent_section) |
| return; |
| av_bprintf(buf, "%s", wctx->section_pbuf[wctx->level-1].str); |
| |
| if (flat->hierarchical || |
| !(section->flags & (SECTION_FLAG_IS_ARRAY|SECTION_FLAG_IS_WRAPPER))) { |
| av_bprintf(buf, "%s%s", wctx->section[wctx->level]->name, flat->sep_str); |
| |
| if (parent_section->flags & SECTION_FLAG_IS_ARRAY) { |
| int n = parent_section->id == SECTION_ID_PACKETS_AND_FRAMES ? |
| wctx->nb_section_packet_frame : wctx->nb_item[wctx->level-1]; |
| av_bprintf(buf, "%d%s", n, flat->sep_str); |
| } |
| } |
| } |
| |
| static void flat_print_int(WriterContext *wctx, const char *key, long long int value) |
| { |
| printf("%s%s=%lld\n", wctx->section_pbuf[wctx->level].str, key, value); |
| } |
| |
| static void flat_print_str(WriterContext *wctx, const char *key, const char *value) |
| { |
| FlatContext *flat = wctx->priv; |
| AVBPrint buf; |
| |
| printf("%s", wctx->section_pbuf[wctx->level].str); |
| av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED); |
| printf("%s=", flat_escape_key_str(&buf, key, flat->sep)); |
| av_bprint_clear(&buf); |
| printf("\"%s\"\n", flat_escape_value_str(&buf, value)); |
| av_bprint_finalize(&buf, NULL); |
| } |
| |
| static const Writer flat_writer = { |
| .name = "flat", |
| .priv_size = sizeof(FlatContext), |
| .init = flat_init, |
| .print_section_header = flat_print_section_header, |
| .print_integer = flat_print_int, |
| .print_string = flat_print_str, |
| .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS|WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER, |
| .priv_class = &flat_class, |
| }; |
| |
| /* INI format output */ |
| |
| typedef struct { |
| const AVClass *class; |
| int hierarchical; |
| } INIContext; |
| |
| #undef OFFSET |
| #define OFFSET(x) offsetof(INIContext, x) |
| |
| static const AVOption ini_options[] = { |
| {"hierarchical", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 }, |
| {"h", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 }, |
| {NULL}, |
| }; |
| |
| DEFINE_WRITER_CLASS(ini); |
| |
| static char *ini_escape_str(AVBPrint *dst, const char *src) |
| { |
| int i = 0; |
| char c = 0; |
| |
| while (c = src[i++]) { |
| switch (c) { |
| case '\b': av_bprintf(dst, "%s", "\\b"); break; |
| case '\f': av_bprintf(dst, "%s", "\\f"); break; |
| case '\n': av_bprintf(dst, "%s", "\\n"); break; |
| case '\r': av_bprintf(dst, "%s", "\\r"); break; |
| case '\t': av_bprintf(dst, "%s", "\\t"); break; |
| case '\\': |
| case '#' : |
| case '=' : |
| case ':' : av_bprint_chars(dst, '\\', 1); |
| default: |
| if ((unsigned char)c < 32) |
| av_bprintf(dst, "\\x00%02x", c & 0xff); |
| else |
| av_bprint_chars(dst, c, 1); |
| break; |
| } |
| } |
| return dst->str; |
| } |
| |
| static void ini_print_section_header(WriterContext *wctx) |
| { |
| INIContext *ini = wctx->priv; |
| AVBPrint *buf = &wctx->section_pbuf[wctx->level]; |
| const struct section *section = wctx->section[wctx->level]; |
| const struct section *parent_section = wctx->level ? |
| wctx->section[wctx->level-1] : NULL; |
| |
| av_bprint_clear(buf); |
| if (!parent_section) { |
| printf("# ffprobe output\n\n"); |
| return; |
| } |
| |
| if (wctx->nb_item[wctx->level-1]) |
| printf("\n"); |
| |
| av_bprintf(buf, "%s", wctx->section_pbuf[wctx->level-1].str); |
| if (ini->hierarchical || |
| !(section->flags & (SECTION_FLAG_IS_ARRAY|SECTION_FLAG_IS_WRAPPER))) { |
| av_bprintf(buf, "%s%s", buf->str[0] ? "." : "", wctx->section[wctx->level]->name); |
| |
| if (parent_section->flags & SECTION_FLAG_IS_ARRAY) { |
| int n = parent_section->id == SECTION_ID_PACKETS_AND_FRAMES ? |
| wctx->nb_section_packet_frame : wctx->nb_item[wctx->level-1]; |
| av_bprintf(buf, ".%d", n); |
| } |
| } |
| |
| if (!(section->flags & (SECTION_FLAG_IS_ARRAY|SECTION_FLAG_IS_WRAPPER))) |
| printf("[%s]\n", buf->str); |
| } |
| |
| static void ini_print_str(WriterContext *wctx, const char *key, const char *value) |
| { |
| AVBPrint buf; |
| |
| av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED); |
| printf("%s=", ini_escape_str(&buf, key)); |
| av_bprint_clear(&buf); |
| printf("%s\n", ini_escape_str(&buf, value)); |
| av_bprint_finalize(&buf, NULL); |
| } |
| |
| static void ini_print_int(WriterContext *wctx, const char *key, long long int value) |
| { |
| printf("%s=%lld\n", key, value); |
| } |
| |
| static const Writer ini_writer = { |
| .name = "ini", |
| .priv_size = sizeof(INIContext), |
| .print_section_header = ini_print_section_header, |
| .print_integer = ini_print_int, |
| .print_string = ini_print_str, |
| .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS|WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER, |
| .priv_class = &ini_class, |
| }; |
| |
| /* JSON output */ |
| |
| typedef struct { |
| const AVClass *class; |
| int indent_level; |
| int compact; |
| const char *item_sep, *item_start_end; |
| } JSONContext; |
| |
| #undef OFFSET |
| #define OFFSET(x) offsetof(JSONContext, x) |
| |
| static const AVOption json_options[]= { |
| { "compact", "enable compact output", OFFSET(compact), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 }, |
| { "c", "enable compact output", OFFSET(compact), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 }, |
| { NULL } |
| }; |
| |
| DEFINE_WRITER_CLASS(json); |
| |
| static av_cold int json_init(WriterContext *wctx) |
| { |
| JSONContext *json = wctx->priv; |
| |
| json->item_sep = json->compact ? ", " : ",\n"; |
| json->item_start_end = json->compact ? " " : "\n"; |
| |
| return 0; |
| } |
| |
| static const char *json_escape_str(AVBPrint *dst, const char *src, void *log_ctx) |
| { |
| static const char json_escape[] = {'"', '\\', '\b', '\f', '\n', '\r', '\t', 0}; |
| static const char json_subst[] = {'"', '\\', 'b', 'f', 'n', 'r', 't', 0}; |
| const char *p; |
| |
| for (p = src; *p; p++) { |
| char *s = strchr(json_escape, *p); |
| if (s) { |
| av_bprint_chars(dst, '\\', 1); |
| av_bprint_chars(dst, json_subst[s - json_escape], 1); |
| } else if ((unsigned char)*p < 32) { |
| av_bprintf(dst, "\\u00%02x", *p & 0xff); |
| } else { |
| av_bprint_chars(dst, *p, 1); |
| } |
| } |
| return dst->str; |
| } |
| |
| #define JSON_INDENT() printf("%*c", json->indent_level * 4, ' ') |
| |
| static void json_print_section_header(WriterContext *wctx) |
| { |
| JSONContext *json = wctx->priv; |
| AVBPrint buf; |
| const struct section *section = wctx->section[wctx->level]; |
| const struct section *parent_section = wctx->level ? |
| wctx->section[wctx->level-1] : NULL; |
| |
| if (wctx->level && wctx->nb_item[wctx->level-1]) |
| printf(",\n"); |
| |
| if (section->flags & SECTION_FLAG_IS_WRAPPER) { |
| printf("{\n"); |
| json->indent_level++; |
| } else { |
| av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED); |
| json_escape_str(&buf, section->name, wctx); |
| JSON_INDENT(); |
| |
| json->indent_level++; |
| if (section->flags & SECTION_FLAG_IS_ARRAY) { |
| printf("\"%s\": [\n", buf.str); |
| } else if (parent_section && !(parent_section->flags & SECTION_FLAG_IS_ARRAY)) { |
| printf("\"%s\": {%s", buf.str, json->item_start_end); |
| } else { |
| printf("{%s", json->item_start_end); |
| |
| /* this is required so the parser can distinguish between packets and frames */ |
| if (parent_section && parent_section->id == SECTION_ID_PACKETS_AND_FRAMES) { |
| if (!json->compact) |
| JSON_INDENT(); |
| printf("\"type\": \"%s\"%s", section->name, json->item_sep); |
| } |
| } |
| av_bprint_finalize(&buf, NULL); |
| } |
| } |
| |
| static void json_print_section_footer(WriterContext *wctx) |
| { |
| JSONContext *json = wctx->priv; |
| const struct section *section = wctx->section[wctx->level]; |
| |
| if (wctx->level == 0) { |
| json->indent_level--; |
| printf("\n}\n"); |
| } else if (section->flags & SECTION_FLAG_IS_ARRAY) { |
| printf("\n"); |
| json->indent_level--; |
| JSON_INDENT(); |
| printf("]"); |
| } else { |
| printf("%s", json->item_start_end); |
| json->indent_level--; |
| if (!json->compact) |
| JSON_INDENT(); |
| printf("}"); |
| } |
| } |
| |
| static inline void json_print_item_str(WriterContext *wctx, |
| const char *key, const char *value) |
| { |
| AVBPrint buf; |
| |
| av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED); |
| printf("\"%s\":", json_escape_str(&buf, key, wctx)); |
| av_bprint_clear(&buf); |
| printf(" \"%s\"", json_escape_str(&buf, value, wctx)); |
| av_bprint_finalize(&buf, NULL); |
| } |
| |
| static void json_print_str(WriterContext *wctx, const char *key, const char *value) |
| { |
| JSONContext *json = wctx->priv; |
| |
| if (wctx->nb_item[wctx->level]) |
| printf("%s", json->item_sep); |
| if (!json->compact) |
| JSON_INDENT(); |
| json_print_item_str(wctx, key, value); |
| } |
| |
| static void json_print_int(WriterContext *wctx, const char *key, long long int value) |
| { |
| JSONContext *json = wctx->priv; |
| AVBPrint buf; |
| |
| if (wctx->nb_item[wctx->level]) |
| printf("%s", json->item_sep); |
| if (!json->compact) |
| JSON_INDENT(); |
| |
| av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED); |
| printf("\"%s\": %lld", json_escape_str(&buf, key, wctx), value); |
| av_bprint_finalize(&buf, NULL); |
| } |
| |
| static const Writer json_writer = { |
| .name = "json", |
| .priv_size = sizeof(JSONContext), |
| .init = json_init, |
| .print_section_header = json_print_section_header, |
| .print_section_footer = json_print_section_footer, |
| .print_integer = json_print_int, |
| .print_string = json_print_str, |
| .flags = WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER, |
| .priv_class = &json_class, |
| }; |
| |
| /* XML output */ |
| |
| typedef struct { |
| const AVClass *class; |
| int within_tag; |
| int indent_level; |
| int fully_qualified; |
| int xsd_strict; |
| } XMLContext; |
| |
| #undef OFFSET |
| #define OFFSET(x) offsetof(XMLContext, x) |
| |
| static const AVOption xml_options[] = { |
| {"fully_qualified", "specify if the output should be fully qualified", OFFSET(fully_qualified), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 }, |
| {"q", "specify if the output should be fully qualified", OFFSET(fully_qualified), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 }, |
| {"xsd_strict", "ensure that the output is XSD compliant", OFFSET(xsd_strict), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 }, |
| {"x", "ensure that the output is XSD compliant", OFFSET(xsd_strict), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 }, |
| {NULL}, |
| }; |
| |
| DEFINE_WRITER_CLASS(xml); |
| |
| static av_cold int xml_init(WriterContext *wctx) |
| { |
| XMLContext *xml = wctx->priv; |
| |
| if (xml->xsd_strict) { |
| xml->fully_qualified = 1; |
| #define CHECK_COMPLIANCE(opt, opt_name) \ |
| if (opt) { \ |
| av_log(wctx, AV_LOG_ERROR, \ |
| "XSD-compliant output selected but option '%s' was selected, XML output may be non-compliant.\n" \ |
| "You need to disable such option with '-no%s'\n", opt_name, opt_name); \ |
| return AVERROR(EINVAL); \ |
| } |
| CHECK_COMPLIANCE(show_private_data, "private"); |
| CHECK_COMPLIANCE(show_value_unit, "unit"); |
| CHECK_COMPLIANCE(use_value_prefix, "prefix"); |
| |
| if (do_show_frames && do_show_packets) { |
| av_log(wctx, AV_LOG_ERROR, |
| "Interleaved frames and packets are not allowed in XSD. " |
| "Select only one between the -show_frames and the -show_packets options.\n"); |
| return AVERROR(EINVAL); |
| } |
| } |
| |
| return 0; |
| } |
| |
| static const char *xml_escape_str(AVBPrint *dst, const char *src, void *log_ctx) |
| { |
| const char *p; |
| |
| for (p = src; *p; p++) { |
| switch (*p) { |
| case '&' : av_bprintf(dst, "%s", "&"); break; |
| case '<' : av_bprintf(dst, "%s", "<"); break; |
| case '>' : av_bprintf(dst, "%s", ">"); break; |
| case '"' : av_bprintf(dst, "%s", """); break; |
| case '\'': av_bprintf(dst, "%s", "'"); break; |
| default: av_bprint_chars(dst, *p, 1); |
| } |
| } |
| |
| return dst->str; |
| } |
| |
| #define XML_INDENT() printf("%*c", xml->indent_level * 4, ' ') |
| |
| static void xml_print_section_header(WriterContext *wctx) |
| { |
| XMLContext *xml = wctx->priv; |
| const struct section *section = wctx->section[wctx->level]; |
| const struct section *parent_section = wctx->level ? |
| wctx->section[wctx->level-1] : NULL; |
| |
| if (wctx->level == 0) { |
| const char *qual = " xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' " |
| "xmlns:ffprobe='http://www.ffmpeg.org/schema/ffprobe' " |
| "xsi:schemaLocation='http://www.ffmpeg.org/schema/ffprobe ffprobe.xsd'"; |
| |
| printf("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"); |
| printf("<%sffprobe%s>\n", |
| xml->fully_qualified ? "ffprobe:" : "", |
| xml->fully_qualified ? qual : ""); |
| return; |
| } |
| |
| if (xml->within_tag) { |
| xml->within_tag = 0; |
| printf(">\n"); |
| } |
| if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) { |
| xml->indent_level++; |
| } else { |
| if (parent_section && (parent_section->flags & SECTION_FLAG_IS_WRAPPER) && |
| wctx->level && wctx->nb_item[wctx->level-1]) |
| printf("\n"); |
| xml->indent_level++; |
| |
| if (section->flags & SECTION_FLAG_IS_ARRAY) { |
| XML_INDENT(); printf("<%s>\n", section->name); |
| } else { |
| XML_INDENT(); printf("<%s ", section->name); |
| xml->within_tag = 1; |
| } |
| } |
| } |
| |
| static void xml_print_section_footer(WriterContext *wctx) |
| { |
| XMLContext *xml = wctx->priv; |
| const struct section *section = wctx->section[wctx->level]; |
| |
| if (wctx->level == 0) { |
| printf("</%sffprobe>\n", xml->fully_qualified ? "ffprobe:" : ""); |
| } else if (xml->within_tag) { |
| xml->within_tag = 0; |
| printf("/>\n"); |
| xml->indent_level--; |
| } else if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) { |
| xml->indent_level--; |
| } else { |
| XML_INDENT(); printf("</%s>\n", section->name); |
| xml->indent_level--; |
| } |
| } |
| |
| static void xml_print_str(WriterContext *wctx, const char *key, const char *value) |
| { |
| AVBPrint buf; |
| XMLContext *xml = wctx->priv; |
| const struct section *section = wctx->section[wctx->level]; |
| |
| av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED); |
| |
| if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) { |
| XML_INDENT(); |
| printf("<%s key=\"%s\"", |
| section->element_name, xml_escape_str(&buf, key, wctx)); |
| av_bprint_clear(&buf); |
| printf(" value=\"%s\"/>\n", xml_escape_str(&buf, value, wctx)); |
| } else { |
| if (wctx->nb_item[wctx->level]) |
| printf(" "); |
| printf("%s=\"%s\"", key, xml_escape_str(&buf, value, wctx)); |
| } |
| |
| av_bprint_finalize(&buf, NULL); |
| } |
| |
| static void xml_print_int(WriterContext *wctx, const char *key, long long int value) |
| { |
| if (wctx->nb_item[wctx->level]) |
| printf(" "); |
| printf("%s=\"%lld\"", key, value); |
| } |
| |
| static Writer xml_writer = { |
| .name = "xml", |
| .priv_size = sizeof(XMLContext), |
| .init = xml_init, |
| .print_section_header = xml_print_section_header, |
| .print_section_footer = xml_print_section_footer, |
| .print_integer = xml_print_int, |
| .print_string = xml_print_str, |
| .flags = WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER, |
| .priv_class = &xml_class, |
| }; |
| |
| static void writer_register_all(void) |
| { |
| static int initialized; |
| |
| if (initialized) |
| return; |
| initialized = 1; |
| |
| writer_register(&default_writer); |
| writer_register(&compact_writer); |
| writer_register(&csv_writer); |
| writer_register(&flat_writer); |
| writer_register(&ini_writer); |
| writer_register(&json_writer); |
| writer_register(&xml_writer); |
| } |
| |
| #define print_fmt(k, f, ...) do { \ |
| av_bprint_clear(&pbuf); \ |
| av_bprintf(&pbuf, f, __VA_ARGS__); \ |
| writer_print_string(w, k, pbuf.str, 0); \ |
| } while (0) |
| |
| #define print_int(k, v) writer_print_integer(w, k, v) |
| #define print_q(k, v, s) writer_print_rational(w, k, v, s) |
| #define print_str(k, v) writer_print_string(w, k, v, 0) |
| #define print_str_opt(k, v) writer_print_string(w, k, v, PRINT_STRING_OPT) |
| #define print_str_validate(k, v) writer_print_string(w, k, v, PRINT_STRING_VALIDATE) |
| #define print_time(k, v, tb) writer_print_time(w, k, v, tb, 0) |
| #define print_ts(k, v) writer_print_ts(w, k, v, 0) |
| #define print_duration_time(k, v, tb) writer_print_time(w, k, v, tb, 1) |
| #define print_duration_ts(k, v) writer_print_ts(w, k, v, 1) |
| #define print_val(k, v, u) do { \ |
| struct unit_value uv; \ |
| uv.val.i = v; \ |
| uv.unit = u; \ |
| writer_print_string(w, k, value_string(val_str, sizeof(val_str), uv), 0); \ |
| } while (0) |
| |
| #define print_section_header(s) writer_print_section_header(w, s) |
| #define print_section_footer(s) writer_print_section_footer(w, s) |
| |
| #define REALLOCZ_ARRAY_STREAM(ptr, cur_n, new_n) \ |
| { \ |
| ret = av_reallocp_array(&(ptr), (new_n), sizeof(*(ptr))); \ |
| if (ret < 0) \ |
| goto end; \ |
| memset( (ptr) + (cur_n), 0, ((new_n) - (cur_n)) * sizeof(*(ptr)) ); \ |
| } |
| |
| static inline int show_tags(WriterContext *w, AVDictionary *tags, int section_id) |
| { |
| AVDictionaryEntry *tag = NULL; |
| int ret = 0; |
| |
| if (!tags) |
| return 0; |
| writer_print_section_header(w, section_id); |
| |
| while ((tag = av_dict_get(tags, "", tag, AV_DICT_IGNORE_SUFFIX))) { |
| if ((ret = print_str_validate(tag->key, tag->value)) < 0) |
| break; |
| } |
| writer_print_section_footer(w); |
| |
| return ret; |
| } |
| |
| static void show_packet(WriterContext *w, AVFormatContext *fmt_ctx, AVPacket *pkt, int packet_idx) |
| { |
| char val_str[128]; |
| AVStream *st = fmt_ctx->streams[pkt->stream_index]; |
| AVBPrint pbuf; |
| const char *s; |
| |
| av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED); |
| |
| writer_print_section_header(w, SECTION_ID_PACKET); |
| |
| s = av_get_media_type_string(st->codec->codec_type); |
| if (s) print_str ("codec_type", s); |
| else print_str_opt("codec_type", "unknown"); |
| print_int("stream_index", pkt->stream_index); |
| print_ts ("pts", pkt->pts); |
| print_time("pts_time", pkt->pts, &st->time_base); |
| print_ts ("dts", pkt->dts); |
| print_time("dts_time", pkt->dts, &st->time_base); |
| print_duration_ts("duration", pkt->duration); |
| print_duration_time("duration_time", pkt->duration, &st->time_base); |
| print_duration_ts("convergence_duration", pkt->convergence_duration); |
| print_duration_time("convergence_duration_time", pkt->convergence_duration, &st->time_base); |
| print_val("size", pkt->size, unit_byte_str); |
| if (pkt->pos != -1) print_fmt ("pos", "%"PRId64, pkt->pos); |
| else print_str_opt("pos", "N/A"); |
| print_fmt("flags", "%c", pkt->flags & AV_PKT_FLAG_KEY ? 'K' : '_'); |
| if (do_show_data) |
| writer_print_data(w, "data", pkt->data, pkt->size); |
| writer_print_section_footer(w); |
| |
| av_bprint_finalize(&pbuf, NULL); |
| fflush(stdout); |
| } |
| |
| static void show_subtitle(WriterContext *w, AVSubtitle *sub, AVStream *stream, |
| AVFormatContext *fmt_ctx) |
| { |
| AVBPrint pbuf; |
| |
| av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED); |
| |
| writer_print_section_header(w, SECTION_ID_SUBTITLE); |
| |
| print_str ("media_type", "subtitle"); |
| print_ts ("pts", sub->pts); |
| print_time("pts_time", sub->pts, &AV_TIME_BASE_Q); |
| print_int ("format", sub->format); |
| print_int ("start_display_time", sub->start_display_time); |
| print_int ("end_display_time", sub->end_display_time); |
| print_int ("num_rects", sub->num_rects); |
| |
| writer_print_section_footer(w); |
| |
| av_bprint_finalize(&pbuf, NULL); |
| fflush(stdout); |
| } |
| |
| static void show_frame(WriterContext *w, AVFrame *frame, AVStream *stream, |
| AVFormatContext *fmt_ctx) |
| { |
| AVBPrint pbuf; |
| const char *s; |
| |
| av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED); |
| |
| writer_print_section_header(w, SECTION_ID_FRAME); |
| |
| s = av_get_media_type_string(stream->codec->codec_type); |
| if (s) print_str ("media_type", s); |
| else print_str_opt("media_type", "unknown"); |
| print_int("key_frame", frame->key_frame); |
| print_ts ("pkt_pts", frame->pkt_pts); |
| print_time("pkt_pts_time", frame->pkt_pts, &stream->time_base); |
| print_ts ("pkt_dts", frame->pkt_dts); |
| print_time("pkt_dts_time", frame->pkt_dts, &stream->time_base); |
| print_ts ("best_effort_timestamp", av_frame_get_best_effort_timestamp(frame)); |
| print_time("best_effort_timestamp_time", av_frame_get_best_effort_timestamp(frame), &stream->time_base); |
| print_duration_ts ("pkt_duration", av_frame_get_pkt_duration(frame)); |
| print_duration_time("pkt_duration_time", av_frame_get_pkt_duration(frame), &stream->time_base); |
| if (av_frame_get_pkt_pos (frame) != -1) print_fmt ("pkt_pos", "%"PRId64, av_frame_get_pkt_pos(frame)); |
| else print_str_opt("pkt_pos", "N/A"); |
| if (av_frame_get_pkt_size(frame) != -1) print_fmt ("pkt_size", "%d", av_frame_get_pkt_size(frame)); |
| else print_str_opt("pkt_size", "N/A"); |
| |
| switch (stream->codec->codec_type) { |
| AVRational sar; |
| |
| case AVMEDIA_TYPE_VIDEO: |
| print_int("width", frame->width); |
| print_int("height", frame->height); |
| s = av_get_pix_fmt_name(frame->format); |
| if (s) print_str ("pix_fmt", s); |
| else print_str_opt("pix_fmt", "unknown"); |
| sar = av_guess_sample_aspect_ratio(fmt_ctx, stream, frame); |
| if (sar.num) { |
| print_q("sample_aspect_ratio", sar, ':'); |
| } else { |
| print_str_opt("sample_aspect_ratio", "N/A"); |
| } |
| print_fmt("pict_type", "%c", av_get_picture_type_char(frame->pict_type)); |
| print_int("coded_picture_number", frame->coded_picture_number); |
| print_int("display_picture_number", frame->display_picture_number); |
| print_int("interlaced_frame", frame->interlaced_frame); |
| print_int("top_field_first", frame->top_field_first); |
| print_int("repeat_pict", frame->repeat_pict); |
| break; |
| |
| case AVMEDIA_TYPE_AUDIO: |
| s = av_get_sample_fmt_name(frame->format); |
| if (s) print_str ("sample_fmt", s); |
| else print_str_opt("sample_fmt", "unknown"); |
| print_int("nb_samples", frame->nb_samples); |
| print_int("channels", av_frame_get_channels(frame)); |
| if (av_frame_get_channel_layout(frame)) { |
| av_bprint_clear(&pbuf); |
| av_bprint_channel_layout(&pbuf, av_frame_get_channels(frame), |
| av_frame_get_channel_layout(frame)); |
| print_str ("channel_layout", pbuf.str); |
| } else |
| print_str_opt("channel_layout", "unknown"); |
| break; |
| } |
| if (do_show_frame_tags) |
| show_tags(w, av_frame_get_metadata(frame), SECTION_ID_FRAME_TAGS); |
| |
| writer_print_section_footer(w); |
| |
| av_bprint_finalize(&pbuf, NULL); |
| fflush(stdout); |
| } |
| |
| static av_always_inline int process_frame(WriterContext *w, |
| AVFormatContext *fmt_ctx, |
| AVFrame *frame, AVPacket *pkt) |
| { |
| AVCodecContext *dec_ctx = fmt_ctx->streams[pkt->stream_index]->codec; |
| AVSubtitle sub; |
| int ret = 0, got_frame = 0; |
| |
| if (dec_ctx->codec) { |
| switch (dec_ctx->codec_type) { |
| case AVMEDIA_TYPE_VIDEO: |
| ret = avcodec_decode_video2(dec_ctx, frame, &got_frame, pkt); |
| break; |
| |
| case AVMEDIA_TYPE_AUDIO: |
| ret = avcodec_decode_audio4(dec_ctx, frame, &got_frame, pkt); |
| break; |
| |
| case AVMEDIA_TYPE_SUBTITLE: |
| ret = avcodec_decode_subtitle2(dec_ctx, &sub, &got_frame, pkt); |
| break; |
| } |
| } |
| |
| if (ret < 0) |
| return ret; |
| ret = FFMIN(ret, pkt->size); /* guard against bogus return values */ |
| pkt->data += ret; |
| pkt->size -= ret; |
| if (got_frame) { |
| int is_sub = (dec_ctx->codec_type == AVMEDIA_TYPE_SUBTITLE); |
| nb_streams_frames[pkt->stream_index]++; |
| if (do_show_frames) |
| if (is_sub) |
| show_subtitle(w, &sub, fmt_ctx->streams[pkt->stream_index], fmt_ctx); |
| else |
| show_frame(w, frame, fmt_ctx->streams[pkt->stream_index], fmt_ctx); |
| if (is_sub) |
| avsubtitle_free(&sub); |
| } |
| return got_frame; |
| } |
| |
| static void log_read_interval(const ReadInterval *interval, void *log_ctx, int log_level) |
| { |
| av_log(log_ctx, log_level, "id:%d", interval->id); |
| |
| if (interval->has_start) { |
| av_log(log_ctx, log_level, " start:%s%s", interval->start_is_offset ? "+" : "", |
| av_ts2timestr(interval->start, &AV_TIME_BASE_Q)); |
| } else { |
| av_log(log_ctx, log_level, " start:N/A"); |
| } |
| |
| if (interval->has_end) { |
| av_log(log_ctx, log_level, " end:%s", interval->end_is_offset ? "+" : ""); |
| if (interval->duration_frames) |
| av_log(log_ctx, log_level, "#%"PRId64, interval->end); |
| else |
| av_log(log_ctx, log_level, "%s", av_ts2timestr(interval->end, &AV_TIME_BASE_Q)); |
| } else { |
| av_log(log_ctx, log_level, " end:N/A"); |
| } |
| |
| av_log(log_ctx, log_level, "\n"); |
| } |
| |
| static int read_interval_packets(WriterContext *w, AVFormatContext *fmt_ctx, |
| const ReadInterval *interval, int64_t *cur_ts) |
| { |
| AVPacket pkt, pkt1; |
| AVFrame *frame = NULL; |
| int ret = 0, i = 0, frame_count = 0; |
| int64_t start = -INT64_MAX, end = interval->end; |
| int has_start = 0, has_end = interval->has_end && !interval->end_is_offset; |
| |
| av_init_packet(&pkt); |
| |
| av_log(NULL, AV_LOG_VERBOSE, "Processing read interval "); |
| log_read_interval(interval, NULL, AV_LOG_VERBOSE); |
| |
| if (interval->has_start) { |
| int64_t target; |
| if (interval->start_is_offset) { |
| if (*cur_ts == AV_NOPTS_VALUE) { |
| av_log(NULL, AV_LOG_ERROR, |
| "Could not seek to relative position since current " |
| "timestamp is not defined\n"); |
| ret = AVERROR(EINVAL); |
| goto end; |
| } |
| target = *cur_ts + interval->start; |
| } else { |
| target = interval->start; |
| } |
| |
| av_log(NULL, AV_LOG_VERBOSE, "Seeking to read interval start point %s\n", |
| av_ts2timestr(target, &AV_TIME_BASE_Q)); |
| if ((ret = avformat_seek_file(fmt_ctx, -1, -INT64_MAX, target, INT64_MAX, 0)) < 0) { |
| av_log(NULL, AV_LOG_ERROR, "Could not seek to position %"PRId64": %s\n", |
| interval->start, av_err2str(ret)); |
| goto end; |
| } |
| } |
| |
| frame = av_frame_alloc(); |
| if (!frame) { |
| ret = AVERROR(ENOMEM); |
| goto end; |
| } |
| while (!av_read_frame(fmt_ctx, &pkt)) { |
| if (fmt_ctx->nb_streams > nb_streams) { |
| REALLOCZ_ARRAY_STREAM(nb_streams_frames, nb_streams, fmt_ctx->nb_streams); |
| REALLOCZ_ARRAY_STREAM(nb_streams_packets, nb_streams, fmt_ctx->nb_streams); |
| REALLOCZ_ARRAY_STREAM(selected_streams, nb_streams, fmt_ctx->nb_streams); |
| nb_streams = fmt_ctx->nb_streams; |
| } |
| if (selected_streams[pkt.stream_index]) { |
| AVRational tb = fmt_ctx->streams[pkt.stream_index]->time_base; |
| |
| if (pkt.pts != AV_NOPTS_VALUE) |
| *cur_ts = av_rescale_q(pkt.pts, tb, AV_TIME_BASE_Q); |
| |
| if (!has_start && *cur_ts != AV_NOPTS_VALUE) { |
| start = *cur_ts; |
| has_start = 1; |
| } |
| |
| if (has_start && !has_end && interval->end_is_offset) { |
| end = start + interval->end; |
| has_end = 1; |
| } |
| |
| if (interval->end_is_offset && interval->duration_frames) { |
| if (frame_count >= interval->end) |
| break; |
| } else if (has_end && *cur_ts != AV_NOPTS_VALUE && *cur_ts >= end) { |
| break; |
| } |
| |
| frame_count++; |
| if (do_read_packets) { |
| if (do_show_packets) |
| show_packet(w, fmt_ctx, &pkt, i++); |
| nb_streams_packets[pkt.stream_index]++; |
| } |
| if (do_read_frames) { |
| pkt1 = pkt; |
| while (pkt1.size && process_frame(w, fmt_ctx, frame, &pkt1) > 0); |
| } |
| } |
| av_free_packet(&pkt); |
| } |
| av_init_packet(&pkt); |
| pkt.data = NULL; |
| pkt.size = 0; |
| //Flush remaining frames that are cached in the decoder |
| for (i = 0; i < fmt_ctx->nb_streams; i++) { |
| pkt.stream_index = i; |
| if (do_read_frames) |
| while (process_frame(w, fmt_ctx, frame, &pkt) > 0); |
| } |
| |
| end: |
| av_frame_free(&frame); |
| if (ret < 0) { |
| av_log(NULL, AV_LOG_ERROR, "Could not read packets in interval "); |
| log_read_interval(interval, NULL, AV_LOG_ERROR); |
| } |
| return ret; |
| } |
| |
| static int read_packets(WriterContext *w, AVFormatContext *fmt_ctx) |
| { |
| int i, ret = 0; |
| int64_t cur_ts = fmt_ctx->start_time; |
| |
| if (read_intervals_nb == 0) { |
| ReadInterval interval = (ReadInterval) { .has_start = 0, .has_end = 0 }; |
| ret = read_interval_packets(w, fmt_ctx, &interval, &cur_ts); |
| } else { |
| for (i = 0; i < read_intervals_nb; i++) { |
| ret = read_interval_packets(w, fmt_ctx, &read_intervals[i], &cur_ts); |
| if (ret < 0) |
| break; |
| } |
| } |
| |
| return ret; |
| } |
| |
| static int show_stream(WriterContext *w, AVFormatContext *fmt_ctx, int stream_idx, int in_program) |
| { |
| AVStream *stream = fmt_ctx->streams[stream_idx]; |
| AVCodecContext *dec_ctx; |
| const AVCodec *dec; |
| char val_str[128]; |
| const char *s; |
| AVRational sar, dar; |
| AVBPrint pbuf; |
| const AVCodecDescriptor *cd; |
| int ret = 0; |
| |
| av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED); |
| |
| writer_print_section_header(w, in_program ? SECTION_ID_PROGRAM_STREAM : SECTION_ID_STREAM); |
| |
| print_int("index", stream->index); |
| |
| if ((dec_ctx = stream->codec)) { |
| const char *profile = NULL; |
| dec = dec_ctx->codec; |
| if (dec) { |
| print_str("codec_name", dec->name); |
| if (!do_bitexact) { |
| if (dec->long_name) print_str ("codec_long_name", dec->long_name); |
| else print_str_opt("codec_long_name", "unknown"); |
| } |
| } else if ((cd = avcodec_descriptor_get(stream->codec->codec_id))) { |
| print_str_opt("codec_name", cd->name); |
| if (!do_bitexact) { |
| print_str_opt("codec_long_name", |
| cd->long_name ? cd->long_name : "unknown"); |
| } |
| } else { |
| print_str_opt("codec_name", "unknown"); |
| if (!do_bitexact) { |
| print_str_opt("codec_long_name", "unknown"); |
| } |
| } |
| |
| if (dec && (profile = av_get_profile_name(dec, dec_ctx->profile))) |
| print_str("profile", profile); |
| else |
| print_str_opt("profile", "unknown"); |
| |
| s = av_get_media_type_string(dec_ctx->codec_type); |
| if (s) print_str ("codec_type", s); |
| else print_str_opt("codec_type", "unknown"); |
| print_q("codec_time_base", dec_ctx->time_base, '/'); |
| |
| /* print AVI/FourCC tag */ |
| av_get_codec_tag_string(val_str, sizeof(val_str), dec_ctx->codec_tag); |
| print_str("codec_tag_string", val_str); |
| print_fmt("codec_tag", "0x%04x", dec_ctx->codec_tag); |
| |
| switch (dec_ctx->codec_type) { |
| case AVMEDIA_TYPE_VIDEO: |
| print_int("width", dec_ctx->width); |
| print_int("height", dec_ctx->height); |
| print_int("has_b_frames", dec_ctx->has_b_frames); |
| sar = av_guess_sample_aspect_ratio(fmt_ctx, stream, NULL); |
| if (sar.den) { |
| print_q("sample_aspect_ratio", sar, ':'); |
| av_reduce(&dar.num, &dar.den, |
| dec_ctx->width * sar.num, |
| dec_ctx->height * sar.den, |
| 1024*1024); |
| print_q("display_aspect_ratio", dar, ':'); |
| } else { |
| print_str_opt("sample_aspect_ratio", "N/A"); |
| print_str_opt("display_aspect_ratio", "N/A"); |
| } |
| s = av_get_pix_fmt_name(dec_ctx->pix_fmt); |
| if (s) print_str ("pix_fmt", s); |
| else print_str_opt("pix_fmt", "unknown"); |
| print_int("level", dec_ctx->level); |
| if (dec_ctx->color_range != AVCOL_RANGE_UNSPECIFIED) |
| print_str ("color_range", dec_ctx->color_range == AVCOL_RANGE_MPEG ? "tv": "pc"); |
| else |
| print_str_opt("color_range", "N/A"); |
| s = av_get_colorspace_name(dec_ctx->colorspace); |
| if (s) print_str ("color_space", s); |
| else print_str_opt("color_space", "unknown"); |
| if (dec_ctx->timecode_frame_start >= 0) { |
| char tcbuf[AV_TIMECODE_STR_SIZE]; |
| av_timecode_make_mpeg_tc_string(tcbuf, dec_ctx->timecode_frame_start); |
| print_str("timecode", tcbuf); |
| } else { |
| print_str_opt("timecode", "N/A"); |
| } |
| break; |
| |
| case AVMEDIA_TYPE_AUDIO: |
| s = av_get_sample_fmt_name(dec_ctx->sample_fmt); |
| if (s) print_str ("sample_fmt", s); |
| else print_str_opt("sample_fmt", "unknown"); |
| print_val("sample_rate", dec_ctx->sample_rate, unit_hertz_str); |
| print_int("channels", dec_ctx->channels); |
| |
| if (dec_ctx->channel_layout) { |
| av_bprint_clear(&pbuf); |
| av_bprint_channel_layout(&pbuf, dec_ctx->channels, dec_ctx->channel_layout); |
| print_str ("channel_layout", pbuf.str); |
| } else { |
| print_str_opt("channel_layout", "unknown"); |
| } |
| |
| print_int("bits_per_sample", av_get_bits_per_sample(dec_ctx->codec_id)); |
| break; |
| |
| case AVMEDIA_TYPE_SUBTITLE: |
| if (dec_ctx->width) |
| print_int("width", dec_ctx->width); |
| else |
| print_str_opt("width", "N/A"); |
| if (dec_ctx->height) |
| print_int("height", dec_ctx->height); |
| else |
| print_str_opt("height", "N/A"); |
| break; |
| } |
| } else { |
| print_str_opt("codec_type", "unknown"); |
| } |
| if (dec_ctx->codec && dec_ctx->codec->priv_class && show_private_data) { |
| const AVOption *opt = NULL; |
| while (opt = av_opt_next(dec_ctx->priv_data,opt)) { |
| uint8_t *str; |
| if (opt->flags) continue; |
| if (av_opt_get(dec_ctx->priv_data, opt->name, 0, &str) >= 0) { |
| print_str(opt->name, str); |
| av_free(str); |
| } |
| } |
| } |
| |
| if (fmt_ctx->iformat->flags & AVFMT_SHOW_IDS) print_fmt ("id", "0x%x", stream->id); |
| else print_str_opt("id", "N/A"); |
| print_q("r_frame_rate", stream->r_frame_rate, '/'); |
| print_q("avg_frame_rate", stream->avg_frame_rate, '/'); |
| print_q("time_base", stream->time_base, '/'); |
| print_ts ("start_pts", stream->start_time); |
| print_time("start_time", stream->start_time, &stream->time_base); |
| print_ts ("duration_ts", stream->duration); |
| print_time("duration", stream->duration, &stream->time_base); |
| if (dec_ctx->bit_rate > 0) print_val ("bit_rate", dec_ctx->bit_rate, unit_bit_per_second_str); |
| else print_str_opt("bit_rate", "N/A"); |
| if (dec_ctx->rc_max_rate > 0) print_val ("max_bit_rate", dec_ctx->rc_max_rate, unit_bit_per_second_str); |
| else print_str_opt("max_bit_rate", "N/A"); |
| if (stream->nb_frames) print_fmt ("nb_frames", "%"PRId64, stream->nb_frames); |
| else print_str_opt("nb_frames", "N/A"); |
| if (nb_streams_frames[stream_idx]) print_fmt ("nb_read_frames", "%"PRIu64, nb_streams_frames[stream_idx]); |
| else print_str_opt("nb_read_frames", "N/A"); |
| if (nb_streams_packets[stream_idx]) print_fmt ("nb_read_packets", "%"PRIu64, nb_streams_packets[stream_idx]); |
| else print_str_opt("nb_read_packets", "N/A"); |
| if (do_show_data) |
| writer_print_data(w, "extradata", dec_ctx->extradata, |
| dec_ctx->extradata_size); |
| |
| /* Print disposition information */ |
| #define PRINT_DISPOSITION(flagname, name) do { \ |
| print_int(name, !!(stream->disposition & AV_DISPOSITION_##flagname)); \ |
| } while (0) |
| |
| if (do_show_stream_disposition) { |
| writer_print_section_header(w, in_program ? SECTION_ID_PROGRAM_STREAM_DISPOSITION : SECTION_ID_STREAM_DISPOSITION); |
| PRINT_DISPOSITION(DEFAULT, "default"); |
| PRINT_DISPOSITION(DUB, "dub"); |
| PRINT_DISPOSITION(ORIGINAL, "original"); |
| PRINT_DISPOSITION(COMMENT, "comment"); |
| PRINT_DISPOSITION(LYRICS, "lyrics"); |
| PRINT_DISPOSITION(KARAOKE, "karaoke"); |
| PRINT_DISPOSITION(FORCED, "forced"); |
| PRINT_DISPOSITION(HEARING_IMPAIRED, "hearing_impaired"); |
| PRINT_DISPOSITION(VISUAL_IMPAIRED, "visual_impaired"); |
| PRINT_DISPOSITION(CLEAN_EFFECTS, "clean_effects"); |
| PRINT_DISPOSITION(ATTACHED_PIC, "attached_pic"); |
| writer_print_section_footer(w); |
| } |
| |
| if (do_show_stream_tags) |
| ret = show_tags(w, stream->metadata, in_program ? SECTION_ID_PROGRAM_STREAM_TAGS : SECTION_ID_STREAM_TAGS); |
| |
| writer_print_section_footer(w); |
| av_bprint_finalize(&pbuf, NULL); |
| fflush(stdout); |
| |
| return ret; |
| } |
| |
| static int show_streams(WriterContext *w, AVFormatContext *fmt_ctx) |
| { |
| int i, ret = 0; |
| |
| writer_print_section_header(w, SECTION_ID_STREAMS); |
| for (i = 0; i < fmt_ctx->nb_streams; i++) |
| if (selected_streams[i]) { |
| ret = show_stream(w, fmt_ctx, i, 0); |
| if (ret < 0) |
| break; |
| } |
| writer_print_section_footer(w); |
| |
| return ret; |
| } |
| |
| static int show_program(WriterContext *w, AVFormatContext *fmt_ctx, AVProgram *program) |
| { |
| int i, ret = 0; |
| |
| writer_print_section_header(w, SECTION_ID_PROGRAM); |
| print_int("program_id", program->id); |
| print_int("program_num", program->program_num); |
| print_int("nb_streams", program->nb_stream_indexes); |
| print_int("pmt_pid", program->pmt_pid); |
| print_int("pcr_pid", program->pcr_pid); |
| print_ts("start_pts", program->start_time); |
| print_time("start_time", program->start_time, &AV_TIME_BASE_Q); |
| print_ts("end_pts", program->end_time); |
| print_time("end_time", program->end_time, &AV_TIME_BASE_Q); |
| if (do_show_program_tags) |
| ret = show_tags(w, program->metadata, SECTION_ID_PROGRAM_TAGS); |
| if (ret < 0) |
| goto end; |
| |
| writer_print_section_header(w, SECTION_ID_PROGRAM_STREAMS); |
| for (i = 0; i < program->nb_stream_indexes; i++) { |
| if (selected_streams[program->stream_index[i]]) { |
| ret = show_stream(w, fmt_ctx, program->stream_index[i], 1); |
| if (ret < 0) |
| break; |
| } |
| } |
| writer_print_section_footer(w); |
| |
| end: |
| writer_print_section_footer(w); |
| return ret; |
| } |
| |
| static int show_programs(WriterContext *w, AVFormatContext *fmt_ctx) |
| { |
| int i, ret = 0; |
| |
| writer_print_section_header(w, SECTION_ID_PROGRAMS); |
| for (i = 0; i < fmt_ctx->nb_programs; i++) { |
| AVProgram *program = fmt_ctx->programs[i]; |
| if (!program) |
| continue; |
| ret = show_program(w, fmt_ctx, program); |
| if (ret < 0) |
| break; |
| } |
| writer_print_section_footer(w); |
| return ret; |
| } |
| |
| static int show_chapters(WriterContext *w, AVFormatContext *fmt_ctx) |
| { |
| int i, ret = 0; |
| |
| writer_print_section_header(w, SECTION_ID_CHAPTERS); |
| for (i = 0; i < fmt_ctx->nb_chapters; i++) { |
| AVChapter *chapter = fmt_ctx->chapters[i]; |
| |
| writer_print_section_header(w, SECTION_ID_CHAPTER); |
| print_int("id", chapter->id); |
| print_q ("time_base", chapter->time_base, '/'); |
| print_int("start", chapter->start); |
| print_time("start_time", chapter->start, &chapter->time_base); |
| print_int("end", chapter->end); |
| print_time("end_time", chapter->end, &chapter->time_base); |
| if (do_show_chapter_tags) |
| ret = show_tags(w, chapter->metadata, SECTION_ID_CHAPTER_TAGS); |
| writer_print_section_footer(w); |
| } |
| writer_print_section_footer(w); |
| |
| return ret; |
| } |
| |
| static int show_format(WriterContext *w, AVFormatContext *fmt_ctx) |
| { |
| char val_str[128]; |
| int64_t size = fmt_ctx->pb ? avio_size(fmt_ctx->pb) : -1; |
| int ret = 0; |
| |
| writer_print_section_header(w, SECTION_ID_FORMAT); |
| print_str_validate("filename", fmt_ctx->filename); |
| print_int("nb_streams", fmt_ctx->nb_streams); |
| print_int("nb_programs", fmt_ctx->nb_programs); |
| print_str("format_name", fmt_ctx->iformat->name); |
| if (!do_bitexact) { |
| if (fmt_ctx->iformat->long_name) print_str ("format_long_name", fmt_ctx->iformat->long_name); |
| else print_str_opt("format_long_name", "unknown"); |
| } |
| print_time("start_time", fmt_ctx->start_time, &AV_TIME_BASE_Q); |
| print_time("duration", fmt_ctx->duration, &AV_TIME_BASE_Q); |
| if (size >= 0) print_val ("size", size, unit_byte_str); |
| else print_str_opt("size", "N/A"); |
| if (fmt_ctx->bit_rate > 0) print_val ("bit_rate", fmt_ctx->bit_rate, unit_bit_per_second_str); |
| else print_str_opt("bit_rate", "N/A"); |
| print_int("probe_score", av_format_get_probe_score(fmt_ctx)); |
| if (do_show_format_tags) |
| ret = show_tags(w, fmt_ctx->metadata, SECTION_ID_FORMAT_TAGS); |
| |
| writer_print_section_footer(w); |
| fflush(stdout); |
| return ret; |
| } |
| |
| static void show_error(WriterContext *w, int err) |
| { |
| char errbuf[128]; |
| const char *errbuf_ptr = errbuf; |
| |
| if (av_strerror(err, errbuf, sizeof(errbuf)) < 0) |
| errbuf_ptr = strerror(AVUNERROR(err)); |
| |
| writer_print_section_header(w, SECTION_ID_ERROR); |
| print_int("code", err); |
| print_str("string", errbuf_ptr); |
| writer_print_section_footer(w); |
| } |
| |
| static int open_input_file(AVFormatContext **fmt_ctx_ptr, const char *filename) |
| { |
| int err, i, orig_nb_streams; |
| AVFormatContext *fmt_ctx = NULL; |
| AVDictionaryEntry *t; |
| AVDictionary **opts; |
| |
| if ((err = avformat_open_input(&fmt_ctx, filename, |
| iformat, &format_opts)) < 0) { |
| print_error(filename, err); |
| return err; |
| } |
| if ((t = av_dict_get(format_opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) { |
| av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key); |
| return AVERROR_OPTION_NOT_FOUND; |
| } |
| |
| /* fill the streams in the format context */ |
| opts = setup_find_stream_info_opts(fmt_ctx, codec_opts); |
| orig_nb_streams = fmt_ctx->nb_streams; |
| |
| if ((err = avformat_find_stream_info(fmt_ctx, opts)) < 0) { |
| print_error(filename, err); |
| return err; |
| } |
| for (i = 0; i < orig_nb_streams; i++) |
| av_dict_free(&opts[i]); |
| av_freep(&opts); |
| |
| av_dump_format(fmt_ctx, 0, filename, 0); |
| |
| /* bind a decoder to each input stream */ |
| for (i = 0; i < fmt_ctx->nb_streams; i++) { |
| AVStream *stream = fmt_ctx->streams[i]; |
| AVCodec *codec; |
| |
| if (stream->codec->codec_id == AV_CODEC_ID_PROBE) { |
| av_log(NULL, AV_LOG_WARNING, |
| "Failed to probe codec for input stream %d\n", |
| stream->index); |
| } else if (!(codec = avcodec_find_decoder(stream->codec->codec_id))) { |
| av_log(NULL, AV_LOG_WARNING, |
| "Unsupported codec with id %d for input stream %d\n", |
| stream->codec->codec_id, stream->index); |
| } else { |
| AVDictionary *opts = filter_codec_opts(codec_opts, stream->codec->codec_id, |
| fmt_ctx, stream, codec); |
| if (avcodec_open2(stream->codec, codec, &opts) < 0) { |
| av_log(NULL, AV_LOG_WARNING, "Could not open codec for input stream %d\n", |
| stream->index); |
| } |
| if ((t = av_dict_get(opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) { |
| av_log(NULL, AV_LOG_ERROR, "Option %s for input stream %d not found\n", |
| t->key, stream->index); |
| return AVERROR_OPTION_NOT_FOUND; |
| } |
| } |
| } |
| |
| *fmt_ctx_ptr = fmt_ctx; |
| return 0; |
| } |
| |
| static void close_input_file(AVFormatContext **ctx_ptr) |
| { |
| int i; |
| AVFormatContext *fmt_ctx = *ctx_ptr; |
| |
| /* close decoder for each stream */ |
| for (i = 0; i < fmt_ctx->nb_streams; i++) |
| if (fmt_ctx->streams[i]->codec->codec_id != AV_CODEC_ID_NONE) |
| avcodec_close(fmt_ctx->streams[i]->codec); |
| |
| avformat_close_input(ctx_ptr); |
| } |
| |
| static int probe_file(WriterContext *wctx, const char *filename) |
| { |
| AVFormatContext *fmt_ctx; |
| int ret, i; |
| int section_id; |
| |
| do_read_frames = do_show_frames || do_count_frames; |
| do_read_packets = do_show_packets || do_count_packets; |
| |
| ret = open_input_file(&fmt_ctx, filename); |
| if (ret < 0) |
| return ret; |
| |
| #define CHECK_END if (ret < 0) goto end |
| |
| nb_streams = fmt_ctx->nb_streams; |
| REALLOCZ_ARRAY_STREAM(nb_streams_frames,0,fmt_ctx->nb_streams); |
| REALLOCZ_ARRAY_STREAM(nb_streams_packets,0,fmt_ctx->nb_streams); |
| REALLOCZ_ARRAY_STREAM(selected_streams,0,fmt_ctx->nb_streams); |
| |
| for (i = 0; i < fmt_ctx->nb_streams; i++) { |
| if (stream_specifier) { |
| ret = avformat_match_stream_specifier(fmt_ctx, |
| fmt_ctx->streams[i], |
| stream_specifier); |
| CHECK_END; |
| else |
| selected_streams[i] = ret; |
| ret = 0; |
| } else { |
| selected_streams[i] = 1; |
| } |
| } |
| |
| if (do_read_frames || do_read_packets) { |
| if (do_show_frames && do_show_packets && |
| wctx->writer->flags & WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER) |
| section_id = SECTION_ID_PACKETS_AND_FRAMES; |
| else if (do_show_packets && !do_show_frames) |
| section_id = SECTION_ID_PACKETS; |
| else // (!do_show_packets && do_show_frames) |
| section_id = SECTION_ID_FRAMES; |
| if (do_show_frames || do_show_packets) |
| writer_print_section_header(wctx, section_id); |
| ret = read_packets(wctx, fmt_ctx); |
| if (do_show_frames || do_show_packets) |
| writer_print_section_footer(wctx); |
| CHECK_END; |
| } |
| |
| if (do_show_programs) { |
| ret = show_programs(wctx, fmt_ctx); |
| CHECK_END; |
| } |
| |
| if (do_show_streams) { |
| ret = show_streams(wctx, fmt_ctx); |
| CHECK_END; |
| } |
| if (do_show_chapters) { |
| ret = show_chapters(wctx, fmt_ctx); |
| CHECK_END; |
| } |
| if (do_show_format) { |
| ret = show_format(wctx, fmt_ctx); |
| CHECK_END; |
| } |
| |
| end: |
| close_input_file(&fmt_ctx); |
| av_freep(&nb_streams_frames); |
| av_freep(&nb_streams_packets); |
| av_freep(&selected_streams); |
| |
| return ret; |
| } |
| |
| static void show_usage(void) |
| { |
| av_log(NULL, AV_LOG_INFO, "Simple multimedia streams analyzer\n"); |
| av_log(NULL, AV_LOG_INFO, "usage: %s [OPTIONS] [INPUT_FILE]\n", program_name); |
| av_log(NULL, AV_LOG_INFO, "\n"); |
| } |
| |
| static void ffprobe_show_program_version(WriterContext *w) |
| { |
| AVBPrint pbuf; |
| av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED); |
| |
| writer_print_section_header(w, SECTION_ID_PROGRAM_VERSION); |
| print_str("version", FFMPEG_VERSION); |
| print_fmt("copyright", "Copyright (c) %d-%d the FFmpeg developers", |
| program_birth_year, CONFIG_THIS_YEAR); |
| print_str("build_date", __DATE__); |
| print_str("build_time", __TIME__); |
| print_str("compiler_ident", CC_IDENT); |
| print_str("configuration", FFMPEG_CONFIGURATION); |
| writer_print_section_footer(w); |
| |
| av_bprint_finalize(&pbuf, NULL); |
| } |
| |
| #define SHOW_LIB_VERSION(libname, LIBNAME) \ |
| do { \ |
| if (CONFIG_##LIBNAME) { \ |
| unsigned int version = libname##_version(); \ |
| writer_print_section_header(w, SECTION_ID_LIBRARY_VERSION); \ |
| print_str("name", "lib" #libname); \ |
| print_int("major", LIB##LIBNAME##_VERSION_MAJOR); \ |
| print_int("minor", LIB##LIBNAME##_VERSION_MINOR); \ |
| print_int("micro", LIB##LIBNAME##_VERSION_MICRO); \ |
| print_int("version", version); \ |
| print_str("ident", LIB##LIBNAME##_IDENT); \ |
| writer_print_section_footer(w); \ |
| } \ |
| } while (0) |
| |
| static void ffprobe_show_library_versions(WriterContext *w) |
| { |
| writer_print_section_header(w, SECTION_ID_LIBRARY_VERSIONS); |
| SHOW_LIB_VERSION(avutil, AVUTIL); |
| SHOW_LIB_VERSION(avcodec, AVCODEC); |
| SHOW_LIB_VERSION(avformat, AVFORMAT); |
| SHOW_LIB_VERSION(avdevice, AVDEVICE); |
| SHOW_LIB_VERSION(avfilter, AVFILTER); |
| SHOW_LIB_VERSION(swscale, SWSCALE); |
| SHOW_LIB_VERSION(swresample, SWRESAMPLE); |
| SHOW_LIB_VERSION(postproc, POSTPROC); |
| writer_print_section_footer(w); |
| } |
| |
| static int opt_format(void *optctx, const char *opt, const char *arg) |
| { |
| iformat = av_find_input_format(arg); |
| if (!iformat) { |
| av_log(NULL, AV_LOG_ERROR, "Unknown input format: %s\n", arg); |
| return AVERROR(EINVAL); |
| } |
| return 0; |
| } |
| |
| static inline void mark_section_show_entries(SectionID section_id, |
| int show_all_entries, AVDictionary *entries) |
| { |
| struct section *section = §ions[section_id]; |
| |
| section->show_all_entries = show_all_entries; |
| if (show_all_entries) { |
| SectionID *id; |
| for (id = section->children_ids; *id != -1; id++) |
| mark_section_show_entries(*id, show_all_entries, entries); |
| } else { |
| av_dict_copy(§ion->entries_to_show, entries, 0); |
| } |
| } |
| |
| static int match_section(const char *section_name, |
| int show_all_entries, AVDictionary *entries) |
| { |
| int i, ret = 0; |
| |
| for (i = 0; i < FF_ARRAY_ELEMS(sections); i++) { |
| const struct section *section = §ions[i]; |
| if (!strcmp(section_name, section->name) || |
| (section->unique_name && !strcmp(section_name, section->unique_name))) { |
| av_log(NULL, AV_LOG_DEBUG, |
| "'%s' matches section with unique name '%s'\n", section_name, |
| (char *)av_x_if_null(section->unique_name, section->name)); |
| ret++; |
| mark_section_show_entries(section->id, show_all_entries, entries); |
| } |
| } |
| return ret; |
| } |
| |
| static int opt_show_entries(void *optctx, const char *opt, const char *arg) |
| { |
| const char *p = arg; |
| int ret = 0; |
| |
| while (*p) { |
| AVDictionary *entries = NULL; |
| char *section_name = av_get_token(&p, "=:"); |
| int show_all_entries = 0; |
| |
| if (!section_name) { |
| av_log(NULL, AV_LOG_ERROR, |
| "Missing section name for option '%s'\n", opt); |
| return AVERROR(EINVAL); |
| } |
| |
| if (*p == '=') { |
| p++; |
| while (*p && *p != ':') { |
| char *entry = av_get_token(&p, ",:"); |
| if (!entry) |
| break; |
| av_log(NULL, AV_LOG_VERBOSE, |
| "Adding '%s' to the entries to show in section '%s'\n", |
| entry, section_name); |
| av_dict_set(&entries, entry, "", AV_DICT_DONT_STRDUP_KEY); |
| if (*p == ',') |
| p++; |
| } |
| } else { |
| show_all_entries = 1; |
| } |
| |
| ret = match_section(section_name, show_all_entries, entries); |
| if (ret == 0) { |
| av_log(NULL, AV_LOG_ERROR, "No match for section '%s'\n", section_name); |
| ret = AVERROR(EINVAL); |
| } |
| av_dict_free(&entries); |
| av_free(section_name); |
| |
| if (ret <= 0) |
| break; |
| if (*p) |
| p++; |
| } |
| |
| return ret; |
| } |
| |
| static int opt_show_format_entry(void *optctx, const char *opt, const char *arg) |
| { |
| char *buf = av_asprintf("format=%s", arg); |
| int ret; |
| |
| av_log(NULL, AV_LOG_WARNING, |
| "Option '%s' is deprecated, use '-show_entries format=%s' instead\n", |
| opt, arg); |
| ret = opt_show_entries(optctx, opt, buf); |
| av_free(buf); |
| return ret; |
| } |
| |
| static void opt_input_file(void *optctx, const char *arg) |
| { |
| if (input_filename) { |
| av_log(NULL, AV_LOG_ERROR, |
| "Argument '%s' provided as input filename, but '%s' was already specified.\n", |
| arg, input_filename); |
| exit_program(1); |
| } |
| if (!strcmp(arg, "-")) |
| arg = "pipe:"; |
| input_filename = arg; |
| } |
| |
| static int opt_input_file_i(void *optctx, const char *opt, const char *arg) |
| { |
| opt_input_file(optctx, arg); |
| return 0; |
| } |
| |
| void show_help_default(const char *opt, const char *arg) |
| { |
| av_log_set_callback(log_callback_help); |
| show_usage(); |
| show_help_options(options, "Main options:", 0, 0, 0); |
| printf("\n"); |
| |
| show_help_children(avformat_get_class(), AV_OPT_FLAG_DECODING_PARAM); |
| } |
| |
| /** |
| * Parse interval specification, according to the format: |
| * INTERVAL ::= [START|+START_OFFSET][%[END|+END_OFFSET]] |
| * INTERVALS ::= INTERVAL[,INTERVALS] |
| */ |
| static int parse_read_interval(const char *interval_spec, |
| ReadInterval *interval) |
| { |
| int ret = 0; |
| char *next, *p, *spec = av_strdup(interval_spec); |
| if (!spec) |
| return AVERROR(ENOMEM); |
| |
| if (!*spec) { |
| av_log(NULL, AV_LOG_ERROR, "Invalid empty interval specification\n"); |
| ret = AVERROR(EINVAL); |
| goto end; |
| } |
| |
| p = spec; |
| next = strchr(spec, '%'); |
| if (next) |
| *next++ = 0; |
| |
| /* parse first part */ |
| if (*p) { |
| interval->has_start = 1; |
| |
| if (*p == '+') { |
| interval->start_is_offset = 1; |
| p++; |
| } else { |
| interval->start_is_offset = 0; |
| } |
| |
| ret = av_parse_time(&interval->start, p, 1); |
| if (ret < 0) { |
| av_log(NULL, AV_LOG_ERROR, "Invalid interval start specification '%s'\n", p); |
| goto end; |
| } |
| } else { |
| interval->has_start = 0; |
| } |
| |
| /* parse second part */ |
| p = next; |
| if (p && *p) { |
| int64_t us; |
| interval->has_end = 1; |
| |
| if (*p == '+') { |
| interval->end_is_offset = 1; |
| p++; |
| } else { |
| interval->end_is_offset = 0; |
| } |
| |
| if (interval->end_is_offset && *p == '#') { |
| long long int lli; |
| char *tail; |
| interval->duration_frames = 1; |
| p++; |
| lli = strtoll(p, &tail, 10); |
| if (*tail || lli < 0) { |
| av_log(NULL, AV_LOG_ERROR, |
| "Invalid or negative value '%s' for duration number of frames\n", p); |
| goto end; |
| } |
| interval->end = lli; |
| } else { |
| ret = av_parse_time(&us, p, 1); |
| if (ret < 0) { |
| av_log(NULL, AV_LOG_ERROR, "Invalid interval end/duration specification '%s'\n", p); |
| goto end; |
| } |
| interval->end = us; |
| } |
| } else { |
| interval->has_end = 0; |
| } |
| |
| end: |
| av_free(spec); |
| return ret; |
| } |
| |
| static int parse_read_intervals(const char *intervals_spec) |
| { |
| int ret, n, i; |
| char *p, *spec = av_strdup(intervals_spec); |
| if (!spec) |
| return AVERROR(ENOMEM); |
| |
| /* preparse specification, get number of intervals */ |
| for (n = 0, p = spec; *p; p++) |
| if (*p == ',') |
| n++; |
| n++; |
| |
| read_intervals = av_malloc_array(n, sizeof(*read_intervals)); |
| if (!read_intervals) { |
| ret = AVERROR(ENOMEM); |
| goto end; |
| } |
| read_intervals_nb = n; |
| |
| /* parse intervals */ |
| p = spec; |
| for (i = 0; p; i++) { |
| char *next; |
| |
| av_assert0(i < read_intervals_nb); |
| next = strchr(p, ','); |
| if (next) |
| *next++ = 0; |
| |
| read_intervals[i].id = i; |
| ret = parse_read_interval(p, &read_intervals[i]); |
| if (ret < 0) { |
| av_log(NULL, AV_LOG_ERROR, "Error parsing read interval #%d '%s'\n", |
| i, p); |
| goto end; |
| } |
| av_log(NULL, AV_LOG_VERBOSE, "Parsed log interval "); |
| log_read_interval(&read_intervals[i], NULL, AV_LOG_VERBOSE); |
| p = next; |
| } |
| av_assert0(i == read_intervals_nb); |
| |
| end: |
| av_free(spec); |
| return ret; |
| } |
| |
| static int opt_read_intervals(void *optctx, const char *opt, const char *arg) |
| { |
| return parse_read_intervals(arg); |
| } |
| |
| static int opt_pretty(void *optctx, const char *opt, const char *arg) |
| { |
| show_value_unit = 1; |
| use_value_prefix = 1; |
| use_byte_value_binary_prefix = 1; |
| use_value_sexagesimal_format = 1; |
| return 0; |
| } |
| |
| static void print_section(SectionID id, int level) |
| { |
| const SectionID *pid; |
| const struct section *section = §ions[id]; |
| printf("%c%c%c", |
| section->flags & SECTION_FLAG_IS_WRAPPER ? 'W' : '.', |
| section->flags & SECTION_FLAG_IS_ARRAY ? 'A' : '.', |
| section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS ? 'V' : '.'); |
| printf("%*c %s", level * 4, ' ', section->name); |
| if (section->unique_name) |
| printf("/%s", section->unique_name); |
| printf("\n"); |
| |
| for (pid = section->children_ids; *pid != -1; pid++) |
| print_section(*pid, level+1); |
| } |
| |
| static int opt_sections(void *optctx, const char *opt, const char *arg) |
| { |
| printf("Sections:\n" |
| "W.. = Section is a wrapper (contains other sections, no local entries)\n" |
| ".A. = Section contains an array of elements of the same type\n" |
| "..V = Section may contain a variable number of fields with variable keys\n" |
| "FLAGS NAME/UNIQUE_NAME\n" |
| "---\n"); |
| print_section(SECTION_ID_ROOT, 0); |
| return 0; |
| } |
| |
| static int opt_show_versions(const char *opt, const char *arg) |
| { |
| mark_section_show_entries(SECTION_ID_PROGRAM_VERSION, 1, NULL); |
| mark_section_show_entries(SECTION_ID_LIBRARY_VERSION, 1, NULL); |
| return 0; |
| } |
| |
| #define DEFINE_OPT_SHOW_SECTION(section, target_section_id) \ |
| static int opt_show_##section(const char *opt, const char *arg) \ |
| { \ |
| mark_section_show_entries(SECTION_ID_##target_section_id, 1, NULL); \ |
| return 0; \ |
| } |
| |
| DEFINE_OPT_SHOW_SECTION(chapters, CHAPTERS); |
| DEFINE_OPT_SHOW_SECTION(error, ERROR); |
| DEFINE_OPT_SHOW_SECTION(format, FORMAT); |
| DEFINE_OPT_SHOW_SECTION(frames, FRAMES); |
| DEFINE_OPT_SHOW_SECTION(library_versions, LIBRARY_VERSIONS); |
| DEFINE_OPT_SHOW_SECTION(packets, PACKETS); |
| DEFINE_OPT_SHOW_SECTION(program_version, PROGRAM_VERSION); |
| DEFINE_OPT_SHOW_SECTION(streams, STREAMS); |
| DEFINE_OPT_SHOW_SECTION(programs, PROGRAMS); |
| |
| static const OptionDef real_options[] = { |
| #include "cmdutils_common_opts.h" |
| { "f", HAS_ARG, {.func_arg = opt_format}, "force format", "format" }, |
| { "unit", OPT_BOOL, {&show_value_unit}, "show unit of the displayed values" }, |
| { "prefix", OPT_BOOL, {&use_value_prefix}, "use SI prefixes for the displayed values" }, |
| { "byte_binary_prefix", OPT_BOOL, {&use_byte_value_binary_prefix}, |
| "use binary prefixes for byte units" }, |
| { "sexagesimal", OPT_BOOL, {&use_value_sexagesimal_format}, |
| "use sexagesimal format HOURS:MM:SS.MICROSECONDS for time units" }, |
| { "pretty", 0, {.func_arg = opt_pretty}, |
| "prettify the format of displayed values, make it more human readable" }, |
| { "print_format", OPT_STRING | HAS_ARG, {(void*)&print_format}, |
| "set the output printing format (available formats are: default, compact, csv, flat, ini, json, xml)", "format" }, |
| { "of", OPT_STRING | HAS_ARG, {(void*)&print_format}, "alias for -print_format", "format" }, |
| { "select_streams", OPT_STRING | HAS_ARG, {(void*)&stream_specifier}, "select the specified streams", "stream_specifier" }, |
| { "sections", OPT_EXIT, {.func_arg = opt_sections}, "print sections structure and section information, and exit" }, |
| { "show_data", OPT_BOOL, {(void*)&do_show_data}, "show packets data" }, |
| { "show_error", 0, {(void*)&opt_show_error}, "show probing error" }, |
| { "show_format", 0, {(void*)&opt_show_format}, "show format/container info" }, |
| { "show_frames", 0, {(void*)&opt_show_frames}, "show frames info" }, |
| { "show_format_entry", HAS_ARG, {.func_arg = opt_show_format_entry}, |
| "show a particular entry from the format/container info", "entry" }, |
| { "show_entries", HAS_ARG, {.func_arg = opt_show_entries}, |
| "show a set of specified entries", "entry_list" }, |
| { "show_packets", 0, {(void*)&opt_show_packets}, "show packets info" }, |
| { "show_programs", 0, {(void*)&opt_show_programs}, "show programs info" }, |
| { "show_streams", 0, {(void*)&opt_show_streams}, "show streams info" }, |
| { "show_chapters", 0, {(void*)&opt_show_chapters}, "show chapters info" }, |
| { "count_frames", OPT_BOOL, {(void*)&do_count_frames}, "count the number of frames per stream" }, |
| { "count_packets", OPT_BOOL, {(void*)&do_count_packets}, "count the number of packets per stream" }, |
| { "show_program_version", 0, {(void*)&opt_show_program_version}, "show ffprobe version" }, |
| { "show_library_versions", 0, {(void*)&opt_show_library_versions}, "show library versions" }, |
| { "show_versions", 0, {(void*)&opt_show_versions}, "show program and library versions" }, |
| { "show_private_data", OPT_BOOL, {(void*)&show_private_data}, "show private data" }, |
| { "private", OPT_BOOL, {(void*)&show_private_data}, "same as show_private_data" }, |
| { "bitexact", OPT_BOOL, {&do_bitexact}, "force bitexact output" }, |
| { "read_intervals", HAS_ARG, {.func_arg = opt_read_intervals}, "set read intervals", "read_intervals" }, |
| { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {.func_arg = opt_default}, "generic catch all option", "" }, |
| { "i", HAS_ARG, {.func_arg = opt_input_file_i}, "read specified file", "input_file"}, |
| { NULL, }, |
| }; |
| |
| static inline int check_section_show_entries(int section_id) |
| { |
| int *id; |
| struct section *section = §ions[section_id]; |
| if (sections[section_id].show_all_entries || sections[section_id].entries_to_show) |
| return 1; |
| for (id = section->children_ids; *id != -1; id++) |
| if (check_section_show_entries(*id)) |
| return 1; |
| return 0; |
| } |
| |
| #define SET_DO_SHOW(id, varname) do { \ |
| if (check_section_show_entries(SECTION_ID_##id)) \ |
| do_show_##varname = 1; \ |
| } while (0) |
| |
| int main(int argc, char **argv) |
| { |
| const Writer *w; |
| WriterContext *wctx; |
| char *buf; |
| char *w_name = NULL, *w_args = NULL; |
| int ret, i; |
| |
| av_log_set_flags(AV_LOG_SKIP_REPEATED); |
| register_exit(ffprobe_cleanup); |
| |
| options = real_options; |
| parse_loglevel(argc, argv, options); |
| av_register_all(); |
| avformat_network_init(); |
| init_opts(); |
| #if CONFIG_AVDEVICE |
| avdevice_register_all(); |
| #endif |
| |
| show_banner(argc, argv, options); |
| parse_options(NULL, argc, argv, options, opt_input_file); |
| |
| /* mark things to show, based on -show_entries */ |
| SET_DO_SHOW(CHAPTERS, chapters); |
| SET_DO_SHOW(ERROR, error); |
| SET_DO_SHOW(FORMAT, format); |
| SET_DO_SHOW(FRAMES, frames); |
| SET_DO_SHOW(LIBRARY_VERSIONS, library_versions); |
| SET_DO_SHOW(PACKETS, packets); |
| SET_DO_SHOW(PROGRAM_VERSION, program_version); |
| SET_DO_SHOW(PROGRAMS, programs); |
| SET_DO_SHOW(STREAMS, streams); |
| SET_DO_SHOW(STREAM_DISPOSITION, stream_disposition); |
| SET_DO_SHOW(PROGRAM_STREAM_DISPOSITION, stream_disposition); |
| |
| SET_DO_SHOW(CHAPTER_TAGS, chapter_tags); |
| SET_DO_SHOW(FORMAT_TAGS, format_tags); |
| SET_DO_SHOW(FRAME_TAGS, frame_tags); |
| SET_DO_SHOW(PROGRAM_TAGS, program_tags); |
| SET_DO_SHOW(STREAM_TAGS, stream_tags); |
| |
| if (do_bitexact && (do_show_program_version || do_show_library_versions)) { |
| av_log(NULL, AV_LOG_ERROR, |
| "-bitexact and -show_program_version or -show_library_versions " |
| "options are incompatible\n"); |
| ret = AVERROR(EINVAL); |
| goto end; |
| } |
| |
| writer_register_all(); |
| |
| if (!print_format) |
| print_format = av_strdup("default"); |
| if (!print_format) { |
| ret = AVERROR(ENOMEM); |
| goto end; |
| } |
| w_name = av_strtok(print_format, "=", &buf); |
| w_args = buf; |
| |
| w = writer_get_by_name(w_name); |
| if (!w) { |
| av_log(NULL, AV_LOG_ERROR, "Unknown output format with name '%s'\n", w_name); |
| ret = AVERROR(EINVAL); |
| goto end; |
| } |
| |
| if ((ret = writer_open(&wctx, w, w_args, |
| sections, FF_ARRAY_ELEMS(sections))) >= 0) { |
| if (w == &xml_writer) |
| wctx->string_validation_utf8_flags |= AV_UTF8_FLAG_EXCLUDE_XML_INVALID_CONTROL_CODES; |
| |
| writer_print_section_header(wctx, SECTION_ID_ROOT); |
| |
| if (do_show_program_version) |
| ffprobe_show_program_version(wctx); |
| if (do_show_library_versions) |
| ffprobe_show_library_versions(wctx); |
| |
| if (!input_filename && |
| ((do_show_format || do_show_programs || do_show_streams || do_show_chapters || do_show_packets || do_show_error) || |
| (!do_show_program_version && !do_show_library_versions))) { |
| show_usage(); |
| av_log(NULL, AV_LOG_ERROR, "You have to specify one input file.\n"); |
| av_log(NULL, AV_LOG_ERROR, "Use -h to get full help or, even better, run 'man %s'.\n", program_name); |
| ret = AVERROR(EINVAL); |
| } else if (input_filename) { |
| ret = probe_file(wctx, input_filename); |
| if (ret < 0 && do_show_error) |
| show_error(wctx, ret); |
| } |
| |
| writer_print_section_footer(wctx); |
| writer_close(&wctx); |
| } |
| |
| end: |
| av_freep(&print_format); |
| av_freep(&read_intervals); |
| |
| uninit_opts(); |
| for (i = 0; i < FF_ARRAY_ELEMS(sections); i++) |
| av_dict_free(&(sections[i].entries_to_show)); |
| |
| avformat_network_deinit(); |
| |
| return ret < 0; |
| } |