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n3.4.14
fftools/ffprobe.c
3 692 строки
133 KB
James Almer
Merge commit 'c95169f0ec68bdeeabc5fde8aa4076f406242524'
02 окт 2017, 00:26
02 окт 2017, 00:26
fd5f4ac
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/* * 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/display.h" #include "libavutil/hash.h" #include "libavutil/mastering_display_metadata.h" #include "libavutil/opt.h" #include "libavutil/pixdesc.h" #include "libavutil/spherical.h" #include "libavutil/stereo3d.h" #include "libavutil/dict.h" #include "libavutil/intreadwrite.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" #include "libavutil/thread.h" #if !HAVE_THREADS # ifdef pthread_mutex_lock # undef pthread_mutex_lock # endif # define pthread_mutex_lock(a) do{}while(0) # ifdef pthread_mutex_unlock # undef pthread_mutex_unlock # endif # define pthread_mutex_unlock(a) do{}while(0) #endif typedef struct InputStream { AVStream *st; AVCodecContext *dec_ctx; } InputStream; typedef struct InputFile { AVFormatContext *fmt_ctx; InputStream *streams; int nb_streams; } InputFile; 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_pixel_formats = 0; static int do_show_pixel_format_flags = 0; static int do_show_pixel_format_components = 0; static int do_show_log = 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 do_show_packet_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; static char *show_data_hash; typedef struct ReadInterval { 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; static int find_stream_info = 1; /* 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_FRAME_SIDE_DATA_LIST, SECTION_ID_FRAME_SIDE_DATA, SECTION_ID_FRAME_LOG, SECTION_ID_FRAME_LOGS, SECTION_ID_LIBRARY_VERSION, SECTION_ID_LIBRARY_VERSIONS, SECTION_ID_PACKET, SECTION_ID_PACKET_TAGS, SECTION_ID_PACKETS, SECTION_ID_PACKETS_AND_FRAMES, SECTION_ID_PACKET_SIDE_DATA_LIST, SECTION_ID_PACKET_SIDE_DATA, SECTION_ID_PIXEL_FORMAT, SECTION_ID_PIXEL_FORMAT_FLAGS, SECTION_ID_PIXEL_FORMAT_COMPONENT, SECTION_ID_PIXEL_FORMAT_COMPONENTS, SECTION_ID_PIXEL_FORMATS, 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_STREAM_SIDE_DATA_LIST, SECTION_ID_STREAM_SIDE_DATA, 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, SECTION_ID_FRAME_SIDE_DATA_LIST, SECTION_ID_FRAME_LOGS, -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_FRAME_SIDE_DATA_LIST] ={ SECTION_ID_FRAME_SIDE_DATA_LIST, "side_data_list", SECTION_FLAG_IS_ARRAY, { SECTION_ID_FRAME_SIDE_DATA, -1 }, .element_name = "side_data", .unique_name = "frame_side_data_list" }, [SECTION_ID_FRAME_SIDE_DATA] = { SECTION_ID_FRAME_SIDE_DATA, "side_data", 0, { -1 } }, [SECTION_ID_FRAME_LOGS] = { SECTION_ID_FRAME_LOGS, "logs", SECTION_FLAG_IS_ARRAY, { SECTION_ID_FRAME_LOG, -1 } }, [SECTION_ID_FRAME_LOG] = { SECTION_ID_FRAME_LOG, "log", 0, { -1 }, }, [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, { SECTION_ID_PACKET_TAGS, SECTION_ID_PACKET_SIDE_DATA_LIST, -1 } }, [SECTION_ID_PACKET_TAGS] = { SECTION_ID_PACKET_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "packet_tags" }, [SECTION_ID_PACKET_SIDE_DATA_LIST] ={ SECTION_ID_PACKET_SIDE_DATA_LIST, "side_data_list", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PACKET_SIDE_DATA, -1 }, .element_name = "side_data", .unique_name = "packet_side_data_list" }, [SECTION_ID_PACKET_SIDE_DATA] = { SECTION_ID_PACKET_SIDE_DATA, "side_data", 0, { -1 } }, [SECTION_ID_PIXEL_FORMATS] = { SECTION_ID_PIXEL_FORMATS, "pixel_formats", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PIXEL_FORMAT, -1 } }, [SECTION_ID_PIXEL_FORMAT] = { SECTION_ID_PIXEL_FORMAT, "pixel_format", 0, { SECTION_ID_PIXEL_FORMAT_FLAGS, SECTION_ID_PIXEL_FORMAT_COMPONENTS, -1 } }, [SECTION_ID_PIXEL_FORMAT_FLAGS] = { SECTION_ID_PIXEL_FORMAT_FLAGS, "flags", 0, { -1 }, .unique_name = "pixel_format_flags" }, [SECTION_ID_PIXEL_FORMAT_COMPONENTS] = { SECTION_ID_PIXEL_FORMAT_COMPONENTS, "components", SECTION_FLAG_IS_ARRAY, {SECTION_ID_PIXEL_FORMAT_COMPONENT, -1 }, .unique_name = "pixel_format_components" }, [SECTION_ID_PIXEL_FORMAT_COMPONENT] = { SECTION_ID_PIXEL_FORMAT_COMPONENT, "component", 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, SECTION_ID_PIXEL_FORMATS, -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, SECTION_ID_STREAM_SIDE_DATA_LIST, -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_STREAM_SIDE_DATA_LIST] ={ SECTION_ID_STREAM_SIDE_DATA_LIST, "side_data_list", SECTION_FLAG_IS_ARRAY, { SECTION_ID_STREAM_SIDE_DATA, -1 }, .element_name = "side_data", .unique_name = "stream_side_data_list" }, [SECTION_ID_STREAM_SIDE_DATA] = { SECTION_ID_STREAM_SIDE_DATA, "side_data", 0, { -1 } }, [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 struct AVHashContext *hash; static const struct { double bin_val; double dec_val; const char *bin_str; const char *dec_str; } si_prefixes[] = { { 1.0, 1.0, "", "" }, { 1.024e3, 1e3, "Ki", "K" }, { 1.048576e6, 1e6, "Mi", "M" }, { 1.073741824e9, 1e9, "Gi", "G" }, { 1.099511627776e12, 1e12, "Ti", "T" }, { 1.125899906842624e15, 1e15, "Pi", "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; #if HAVE_THREADS pthread_mutex_t log_mutex; #endif typedef struct LogBuffer { char *context_name; int log_level; char *log_message; AVClassCategory category; char *parent_name; AVClassCategory parent_category; }LogBuffer; static LogBuffer *log_buffer; static int log_buffer_size; static void log_callback(void *ptr, int level, const char *fmt, va_list vl) { AVClass* avc = ptr ? *(AVClass **) ptr : NULL; va_list vl2; char line[1024]; static int print_prefix = 1; void *new_log_buffer; va_copy(vl2, vl); av_log_default_callback(ptr, level, fmt, vl); av_log_format_line(ptr, level, fmt, vl2, line, sizeof(line), &print_prefix); va_end(vl2); #if HAVE_THREADS pthread_mutex_lock(&log_mutex); new_log_buffer = av_realloc_array(log_buffer, log_buffer_size + 1, sizeof(*log_buffer)); if (new_log_buffer) { char *msg; int i; log_buffer = new_log_buffer; memset(&log_buffer[log_buffer_size], 0, sizeof(log_buffer[log_buffer_size])); log_buffer[log_buffer_size].context_name= avc ? av_strdup(avc->item_name(ptr)) : NULL; if (avc) { if (avc->get_category) log_buffer[log_buffer_size].category = avc->get_category(ptr); else log_buffer[log_buffer_size].category = avc->category; } log_buffer[log_buffer_size].log_level = level; msg = log_buffer[log_buffer_size].log_message = av_strdup(line); for (i=strlen(msg) - 1; i>=0 && msg[i] == '\n'; i--) { msg[i] = 0; } if (avc && avc->parent_log_context_offset) { AVClass** parent = *(AVClass ***) (((uint8_t *) ptr) + avc->parent_log_context_offset); if (parent && *parent) { log_buffer[log_buffer_size].parent_name = av_strdup((*parent)->item_name(parent)); log_buffer[log_buffer_size].parent_category = (*parent)->get_category ? (*parent)->get_category(parent) :(*parent)->category; } } log_buffer_size ++; } pthread_mutex_unlock(&log_mutex); #endif } 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)); #if HAVE_THREADS pthread_mutex_destroy(&log_mutex); #endif } 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(si_prefixes) - 1); vald /= si_prefixes[index].bin_val; prefix_string = si_prefixes[index].bin_str; } else { index = (long long int) (log10(vald)) / 3; index = av_clip(index, 0, FF_ARRAY_ELEMS(si_prefixes) - 1); vald /= si_prefixes[index].dec_val; prefix_string = si_prefixes[index].dec_str; } 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 int 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); } static void writer_print_data_hash(WriterContext *wctx, const char *name, uint8_t *data, int size) { char *p, buf[AV_HASH_MAX_SIZE * 2 + 64] = { 0 }; if (!hash) return; av_hash_init(hash); av_hash_update(hash, data, size); snprintf(buf, sizeof(buf), "%s:", av_hash_get_name(hash)); p = buf + strlen(buf); av_hash_final_hex(hash, p, buf + sizeof(buf) - p); writer_print_string(wctx, name, buf, 0); } static void writer_print_integers(WriterContext *wctx, const char *name, uint8_t *data, int size, const char *format, int columns, int bytes, int offset_add) { 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, columns); for (i = 0; i < l; i++) { if (bytes == 1) av_bprintf(&bp, format, *data); else if (bytes == 2) av_bprintf(&bp, format, AV_RN16(data)); else if (bytes == 4) av_bprintf(&bp, format, AV_RN32(data)); data += bytes; size --; } av_bprintf(&bp, "\n"); offset += offset_add; } 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_BOOL, {.i64=0}, 0, 1 }, { "nw", "do not print headers and footers", OFFSET(noprint_wrappers), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 }, { "nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 }, { "nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_BOOL, {.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_BOOL, {.i64=0}, 0, 1 }, {"nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_BOOL, {.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_BOOL, {.i64=1}, 0, 1 }, {"p", "print section name", OFFSET(print_section), AV_OPT_TYPE_BOOL, {.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_BOOL, {.i64=1}, 0, 1 }, {"nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_BOOL, {.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_BOOL, {.i64=1}, 0, 1 }, {"p", "print section name", OFFSET(print_section), AV_OPT_TYPE_BOOL, {.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_BOOL, {.i64=1}, 0, 1 }, {"h", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_BOOL, {.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 INIContext { 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_BOOL, {.i64=1}, 0, 1 }, {"h", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_BOOL, {.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 JSONContext { 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_BOOL, {.i64=0}, 0, 1 }, { "c", "enable compact output", OFFSET(compact), AV_OPT_TYPE_BOOL, {.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 XMLContext { 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_BOOL, {.i64=0}, 0, 1 }, {"q", "specify if the output should be fully qualified", OFFSET(fully_qualified), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 }, {"xsd_strict", "ensure that the output is XSD compliant", OFFSET(xsd_strict), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 }, {"x", "ensure that the output is XSD compliant", OFFSET(xsd_strict), AV_OPT_TYPE_BOOL, {.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 print_pkt_side_data(WriterContext *w, AVCodecParameters *par, const AVPacketSideData *side_data, int nb_side_data, SectionID id_data_list, SectionID id_data) { int i; writer_print_section_header(w, id_data_list); for (i = 0; i < nb_side_data; i++) { const AVPacketSideData *sd = &side_data[i]; const char *name = av_packet_side_data_name(sd->type); writer_print_section_header(w, id_data); print_str("side_data_type", name ? name : "unknown"); if (sd->type == AV_PKT_DATA_DISPLAYMATRIX && sd->size >= 9*4) { writer_print_integers(w, "displaymatrix", sd->data, 9, " %11d", 3, 4, 1); print_int("rotation", av_display_rotation_get((int32_t *)sd->data)); } else if (sd->type == AV_PKT_DATA_STEREO3D) { const AVStereo3D *stereo = (AVStereo3D *)sd->data; print_str("type", av_stereo3d_type_name(stereo->type)); print_int("inverted", !!(stereo->flags & AV_STEREO3D_FLAG_INVERT)); } else if (sd->type == AV_PKT_DATA_SPHERICAL) { const AVSphericalMapping *spherical = (AVSphericalMapping *)sd->data; print_str("projection", av_spherical_projection_name(spherical->projection)); if (spherical->projection == AV_SPHERICAL_CUBEMAP) { print_int("padding", spherical->padding); } else if (spherical->projection == AV_SPHERICAL_EQUIRECTANGULAR_TILE) { size_t l, t, r, b; av_spherical_tile_bounds(spherical, par->width, par->height, &l, &t, &r, &b); print_int("bound_left", l); print_int("bound_top", t); print_int("bound_right", r); print_int("bound_bottom", b); } print_int("yaw", (double) spherical->yaw / (1 << 16)); print_int("pitch", (double) spherical->pitch / (1 << 16)); print_int("roll", (double) spherical->roll / (1 << 16)); } else if (sd->type == AV_PKT_DATA_SKIP_SAMPLES && sd->size == 10) { print_int("skip_samples", AV_RL32(sd->data)); print_int("discard_padding", AV_RL32(sd->data + 4)); print_int("skip_reason", AV_RL8(sd->data + 8)); print_int("discard_reason", AV_RL8(sd->data + 9)); } else if (sd->type == AV_PKT_DATA_MASTERING_DISPLAY_METADATA) { AVMasteringDisplayMetadata *metadata = (AVMasteringDisplayMetadata *)sd->data; if (metadata->has_primaries) { print_q("red_x", metadata->display_primaries[0][0], '/'); print_q("red_y", metadata->display_primaries[0][1], '/'); print_q("green_x", metadata->display_primaries[1][0], '/'); print_q("green_y", metadata->display_primaries[1][1], '/'); print_q("blue_x", metadata->display_primaries[2][0], '/'); print_q("blue_y", metadata->display_primaries[2][1], '/'); print_q("white_point_x", metadata->white_point[0], '/'); print_q("white_point_y", metadata->white_point[1], '/'); } if (metadata->has_luminance) { print_q("min_luminance", metadata->min_luminance, '/'); print_q("max_luminance", metadata->max_luminance, '/'); } } else if (sd->type == AV_PKT_DATA_CONTENT_LIGHT_LEVEL) { AVContentLightMetadata *metadata = (AVContentLightMetadata *)sd->data; print_int("max_content", metadata->MaxCLL); print_int("max_average", metadata->MaxFALL); } writer_print_section_footer(w); } writer_print_section_footer(w); } static void print_color_range(WriterContext *w, enum AVColorRange color_range) { const char *val = av_color_range_name(color_range); if (!val || color_range == AVCOL_RANGE_UNSPECIFIED) { print_str_opt("color_range", "unknown"); } else { print_str("color_range", val); } } static void print_color_space(WriterContext *w, enum AVColorSpace color_space) { const char *val = av_color_space_name(color_space); if (!val || color_space == AVCOL_SPC_UNSPECIFIED) { print_str_opt("color_space", "unknown"); } else { print_str("color_space", val); } } static void print_primaries(WriterContext *w, enum AVColorPrimaries color_primaries) { const char *val = av_color_primaries_name(color_primaries); if (!val || color_primaries == AVCOL_PRI_UNSPECIFIED) { print_str_opt("color_primaries", "unknown"); } else { print_str("color_primaries", val); } } static void print_color_trc(WriterContext *w, enum AVColorTransferCharacteristic color_trc) { const char *val = av_color_transfer_name(color_trc); if (!val || color_trc == AVCOL_TRC_UNSPECIFIED) { print_str_opt("color_transfer", "unknown"); } else { print_str("color_transfer", val); } } static void print_chroma_location(WriterContext *w, enum AVChromaLocation chroma_location) { const char *val = av_chroma_location_name(chroma_location); if (!val || chroma_location == AVCHROMA_LOC_UNSPECIFIED) { print_str_opt("chroma_location", "unspecified"); } else { print_str("chroma_location", val); } } static void clear_log(int need_lock) { int i; if (need_lock) pthread_mutex_lock(&log_mutex); for (i=0; i<log_buffer_size; i++) { av_freep(&log_buffer[i].context_name); av_freep(&log_buffer[i].parent_name); av_freep(&log_buffer[i].log_message); } log_buffer_size = 0; if(need_lock) pthread_mutex_unlock(&log_mutex); } static int show_log(WriterContext *w, int section_ids, int section_id, int log_level) { int i; pthread_mutex_lock(&log_mutex); if (!log_buffer_size) { pthread_mutex_unlock(&log_mutex); return 0; } writer_print_section_header(w, section_ids); for (i=0; i<log_buffer_size; i++) { if (log_buffer[i].log_level <= log_level) { writer_print_section_header(w, section_id); print_str("context", log_buffer[i].context_name); print_int("level", log_buffer[i].log_level); print_int("category", log_buffer[i].category); if (log_buffer[i].parent_name) { print_str("parent_context", log_buffer[i].parent_name); print_int("parent_category", log_buffer[i].parent_category); } else { print_str_opt("parent_context", "N/A"); print_str_opt("parent_category", "N/A"); } print_str("message", log_buffer[i].log_message); writer_print_section_footer(w); } } clear_log(0); pthread_mutex_unlock(&log_mutex); writer_print_section_footer(w); return 0; } static void show_packet(WriterContext *w, InputFile *ifile, AVPacket *pkt, int packet_idx) { char val_str[128]; AVStream *st = ifile->streams[pkt->stream_index].st; 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->codecpar->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%c", pkt->flags & AV_PKT_FLAG_KEY ? 'K' : '_', pkt->flags & AV_PKT_FLAG_DISCARD ? 'D' : '_'); if (pkt->side_data_elems) { int size; const uint8_t *side_metadata; side_metadata = av_packet_get_side_data(pkt, AV_PKT_DATA_STRINGS_METADATA, &size); if (side_metadata && size && do_show_packet_tags) { AVDictionary *dict = NULL; if (av_packet_unpack_dictionary(side_metadata, size, &dict) >= 0) show_tags(w, dict, SECTION_ID_PACKET_TAGS); av_dict_free(&dict); } print_pkt_side_data(w, st->codecpar, pkt->side_data, pkt->side_data_elems, SECTION_ID_PACKET_SIDE_DATA_LIST, SECTION_ID_PACKET_SIDE_DATA); } if (do_show_data) writer_print_data(w, "data", pkt->data, pkt->size); writer_print_data_hash(w, "data_hash", 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; char val_str[128]; const char *s; int i; av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED); writer_print_section_header(w, SECTION_ID_FRAME); s = av_get_media_type_string(stream->codecpar->codec_type); if (s) print_str ("media_type", s); else print_str_opt("media_type", "unknown"); print_int("stream_index", stream->index); print_int("key_frame", frame->key_frame); print_ts ("pkt_pts", frame->pts); print_time("pkt_pts_time", frame->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", frame->best_effort_timestamp); print_time("best_effort_timestamp_time", frame->best_effort_timestamp, &stream->time_base); print_duration_ts ("pkt_duration", frame->pkt_duration); print_duration_time("pkt_duration_time", frame->pkt_duration, &stream->time_base); if (frame->pkt_pos != -1) print_fmt ("pkt_pos", "%"PRId64, frame->pkt_pos); else print_str_opt("pkt_pos", "N/A"); if (frame->pkt_size != -1) print_val ("pkt_size", frame->pkt_size, unit_byte_str); else print_str_opt("pkt_size", "N/A"); switch (stream->codecpar->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); print_color_range(w, frame->color_range); print_color_space(w, frame->colorspace); print_primaries(w, frame->color_primaries); print_color_trc(w, frame->color_trc); print_chroma_location(w, frame->chroma_location); 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", frame->channels); if (frame->channel_layout) { av_bprint_clear(&pbuf); av_bprint_channel_layout(&pbuf, frame->channels, frame->channel_layout); print_str ("channel_layout", pbuf.str); } else print_str_opt("channel_layout", "unknown"); break; } if (do_show_frame_tags) show_tags(w, frame->metadata, SECTION_ID_FRAME_TAGS); if (do_show_log) show_log(w, SECTION_ID_FRAME_LOGS, SECTION_ID_FRAME_LOG, do_show_log); if (frame->nb_side_data) { writer_print_section_header(w, SECTION_ID_FRAME_SIDE_DATA_LIST); for (i = 0; i < frame->nb_side_data; i++) { AVFrameSideData *sd = frame->side_data[i]; const char *name; writer_print_section_header(w, SECTION_ID_FRAME_SIDE_DATA); name = av_frame_side_data_name(sd->type); print_str("side_data_type", name ? name : "unknown"); if (sd->type == AV_FRAME_DATA_DISPLAYMATRIX && sd->size >= 9*4) { writer_print_integers(w, "displaymatrix", sd->data, 9, " %11d", 3, 4, 1); print_int("rotation", av_display_rotation_get((int32_t *)sd->data)); } else if (sd->type == AV_FRAME_DATA_GOP_TIMECODE && sd->size >= 8) { char tcbuf[AV_TIMECODE_STR_SIZE]; av_timecode_make_mpeg_tc_string(tcbuf, *(int64_t *)(sd->data)); print_str("timecode", tcbuf); } else if (sd->type == AV_FRAME_DATA_MASTERING_DISPLAY_METADATA) { AVMasteringDisplayMetadata *metadata = (AVMasteringDisplayMetadata *)sd->data; if (metadata->has_primaries) { print_q("red_x", metadata->display_primaries[0][0], '/'); print_q("red_y", metadata->display_primaries[0][1], '/'); print_q("green_x", metadata->display_primaries[1][0], '/'); print_q("green_y", metadata->display_primaries[1][1], '/'); print_q("blue_x", metadata->display_primaries[2][0], '/'); print_q("blue_y", metadata->display_primaries[2][1], '/'); print_q("white_point_x", metadata->white_point[0], '/'); print_q("white_point_y", metadata->white_point[1], '/'); } if (metadata->has_luminance) { print_q("min_luminance", metadata->min_luminance, '/'); print_q("max_luminance", metadata->max_luminance, '/'); } } else if (sd->type == AV_FRAME_DATA_CONTENT_LIGHT_LEVEL) { AVContentLightMetadata *metadata = (AVContentLightMetadata *)sd->data; print_int("max_content", metadata->MaxCLL); print_int("max_average", metadata->MaxFALL); } else if (sd->type == AV_FRAME_DATA_ICC_PROFILE) { AVDictionaryEntry *tag = av_dict_get(sd->metadata, "name", NULL, AV_DICT_MATCH_CASE); if (tag) print_str(tag->key, tag->value); print_int("size", sd->size); } writer_print_section_footer(w); } writer_print_section_footer(w); } writer_print_section_footer(w); av_bprint_finalize(&pbuf, NULL); fflush(stdout); } static av_always_inline int process_frame(WriterContext *w, InputFile *ifile, AVFrame *frame, AVPacket *pkt, int *packet_new) { AVFormatContext *fmt_ctx = ifile->fmt_ctx; AVCodecContext *dec_ctx = ifile->streams[pkt->stream_index].dec_ctx; AVCodecParameters *par = ifile->streams[pkt->stream_index].st->codecpar; AVSubtitle sub; int ret = 0, got_frame = 0; clear_log(1); if (dec_ctx && dec_ctx->codec) { switch (par->codec_type) { case AVMEDIA_TYPE_VIDEO: case AVMEDIA_TYPE_AUDIO: if (*packet_new) { ret = avcodec_send_packet(dec_ctx, pkt); if (ret == AVERROR(EAGAIN)) { ret = 0; } else if (ret >= 0 || ret == AVERROR_EOF) { ret = 0; *packet_new = 0; } } if (ret >= 0) { ret = avcodec_receive_frame(dec_ctx, frame); if (ret >= 0) { got_frame = 1; } else if (ret == AVERROR(EAGAIN) || ret == AVERROR_EOF) { ret = 0; } } break; case AVMEDIA_TYPE_SUBTITLE: ret = avcodec_decode_subtitle2(dec_ctx, &sub, &got_frame, pkt); *packet_new = 0; break; default: *packet_new = 0; } } else { *packet_new = 0; } if (ret < 0) return ret; if (got_frame) { int is_sub = (par->codec_type == AVMEDIA_TYPE_SUBTITLE); nb_streams_frames[pkt->stream_index]++; if (do_show_frames) if (is_sub) show_subtitle(w, &sub, ifile->streams[pkt->stream_index].st, fmt_ctx); else show_frame(w, frame, ifile->streams[pkt->stream_index].st, fmt_ctx); if (is_sub) avsubtitle_free(&sub); } return got_frame || *packet_new; } 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, InputFile *ifile, const ReadInterval *interval, int64_t *cur_ts) { AVFormatContext *fmt_ctx = ifile->fmt_ctx; AVPacket pkt; 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 (ifile->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 = ifile->nb_streams; } if (selected_streams[pkt.stream_index]) { AVRational tb = ifile->streams[pkt.stream_index].st->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, ifile, &pkt, i++); nb_streams_packets[pkt.stream_index]++; } if (do_read_frames) { int packet_new = 1; while (process_frame(w, ifile, frame, &pkt, &packet_new) > 0); } } av_packet_unref(&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, ifile, frame, &pkt, &(int){1}) > 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, InputFile *ifile) { AVFormatContext *fmt_ctx = ifile->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, ifile, &interval, &cur_ts); } else { for (i = 0; i < read_intervals_nb; i++) { ret = read_interval_packets(w, ifile, &read_intervals[i], &cur_ts); if (ret < 0) break; } } return ret; } static int show_stream(WriterContext *w, AVFormatContext *fmt_ctx, int stream_idx, InputStream *ist, int in_program) { AVStream *stream = ist->st; AVCodecParameters *par; AVCodecContext *dec_ctx; char val_str[128]; const char *s; AVRational sar, dar; AVBPrint pbuf; const AVCodecDescriptor *cd; int ret = 0; const char *profile = NULL; 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); par = stream->codecpar; dec_ctx = ist->dec_ctx; if (cd = avcodec_descriptor_get(par->codec_id)) { print_str("codec_name", cd->name); if (!do_bitexact) { print_str("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 (!do_bitexact && (profile = avcodec_profile_name(par->codec_id, par->profile))) print_str("profile", profile); else { if (par->profile != FF_PROFILE_UNKNOWN) { char profile_num[12]; snprintf(profile_num, sizeof(profile_num), "%d", par->profile); print_str("profile", profile_num); } else print_str_opt("profile", "unknown"); } s = av_get_media_type_string(par->codec_type); if (s) print_str ("codec_type", s); else print_str_opt("codec_type", "unknown"); #if FF_API_LAVF_AVCTX if (dec_ctx) print_q("codec_time_base", dec_ctx->time_base, '/'); #endif /* print AVI/FourCC tag */ print_str("codec_tag_string", av_fourcc2str(par->codec_tag)); print_fmt("codec_tag", "0x%04"PRIx32, par->codec_tag); switch (par->codec_type) { case AVMEDIA_TYPE_VIDEO: print_int("width", par->width); print_int("height", par->height); if (dec_ctx) { print_int("coded_width", dec_ctx->coded_width); print_int("coded_height", dec_ctx->coded_height); } print_int("has_b_frames", par->video_delay); 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, par->width * sar.num, par->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(par->format); if (s) print_str ("pix_fmt", s); else print_str_opt("pix_fmt", "unknown"); print_int("level", par->level); print_color_range(w, par->color_range); print_color_space(w, par->color_space); print_color_trc(w, par->color_trc); print_primaries(w, par->color_primaries); print_chroma_location(w, par->chroma_location); if (par->field_order == AV_FIELD_PROGRESSIVE) print_str("field_order", "progressive"); else if (par->field_order == AV_FIELD_TT) print_str("field_order", "tt"); else if (par->field_order == AV_FIELD_BB) print_str("field_order", "bb"); else if (par->field_order == AV_FIELD_TB) print_str("field_order", "tb"); else if (par->field_order == AV_FIELD_BT) print_str("field_order", "bt"); else print_str_opt("field_order", "unknown"); #if FF_API_PRIVATE_OPT if (dec_ctx && 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"); } #endif if (dec_ctx) print_int("refs", dec_ctx->refs); break; case AVMEDIA_TYPE_AUDIO: s = av_get_sample_fmt_name(par->format); if (s) print_str ("sample_fmt", s); else print_str_opt("sample_fmt", "unknown"); print_val("sample_rate", par->sample_rate, unit_hertz_str); print_int("channels", par->channels); if (par->channel_layout) { av_bprint_clear(&pbuf); av_bprint_channel_layout(&pbuf, par->channels, par->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(par->codec_id)); break; case AVMEDIA_TYPE_SUBTITLE: if (par->width) print_int("width", par->width); else print_str_opt("width", "N/A"); if (par->height) print_int("height", par->height); else print_str_opt("height", "N/A"); break; } if (dec_ctx && 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 (par->bit_rate > 0) print_val ("bit_rate", par->bit_rate, unit_bit_per_second_str); else print_str_opt("bit_rate", "N/A"); #if FF_API_LAVF_AVCTX if (stream->codec->rc_max_rate > 0) print_val ("max_bit_rate", stream->codec->rc_max_rate, unit_bit_per_second_str); else print_str_opt("max_bit_rate", "N/A"); #endif if (dec_ctx && dec_ctx->bits_per_raw_sample > 0) print_fmt("bits_per_raw_sample", "%d", dec_ctx->bits_per_raw_sample); else print_str_opt("bits_per_raw_sample", "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", par->extradata, par->extradata_size); writer_print_data_hash(w, "extradata_hash", par->extradata, par->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"); PRINT_DISPOSITION(TIMED_THUMBNAILS, "timed_thumbnails"); 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); if (stream->nb_side_data) { print_pkt_side_data(w, stream->codecpar, stream->side_data, stream->nb_side_data, SECTION_ID_STREAM_SIDE_DATA_LIST, SECTION_ID_STREAM_SIDE_DATA); } writer_print_section_footer(w); av_bprint_finalize(&pbuf, NULL); fflush(stdout); return ret; } static int show_streams(WriterContext *w, InputFile *ifile) { AVFormatContext *fmt_ctx = ifile->fmt_ctx; int i, ret = 0; writer_print_section_header(w, SECTION_ID_STREAMS); for (i = 0; i < ifile->nb_streams; i++) if (selected_streams[i]) { ret = show_stream(w, fmt_ctx, i, &ifile->streams[i], 0); if (ret < 0) break; } writer_print_section_footer(w); return ret; } static int show_program(WriterContext *w, InputFile *ifile, AVProgram *program) { AVFormatContext *fmt_ctx = ifile->fmt_ctx; 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], &ifile->streams[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, InputFile *ifile) { AVFormatContext *fmt_ctx = ifile->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, ifile, program); if (ret < 0) break; } writer_print_section_footer(w); return ret; } static int show_chapters(WriterContext *w, InputFile *ifile) { AVFormatContext *fmt_ctx = ifile->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, InputFile *ifile) { AVFormatContext *fmt_ctx = ifile->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(InputFile *ifile, const char *filename) { int err, i; AVFormatContext *fmt_ctx = NULL; AVDictionaryEntry *t; int scan_all_pmts_set = 0; fmt_ctx = avformat_alloc_context(); if (!fmt_ctx) { print_error(filename, AVERROR(ENOMEM)); exit_program(1); } fmt_ctx->flags |= AVFMT_FLAG_KEEP_SIDE_DATA; if (!av_dict_get(format_opts, "scan_all_pmts", NULL, AV_DICT_MATCH_CASE)) { av_dict_set(&format_opts, "scan_all_pmts", "1", AV_DICT_DONT_OVERWRITE); scan_all_pmts_set = 1; } if ((err = avformat_open_input(&fmt_ctx, filename, iformat, &format_opts)) < 0) { print_error(filename, err); return err; } ifile->fmt_ctx = fmt_ctx; if (scan_all_pmts_set) av_dict_set(&format_opts, "scan_all_pmts", NULL, AV_DICT_MATCH_CASE); 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; } if (find_stream_info) { AVDictionary **opts = setup_find_stream_info_opts(fmt_ctx, codec_opts); int orig_nb_streams = fmt_ctx->nb_streams; err = avformat_find_stream_info(fmt_ctx, opts); for (i = 0; i < orig_nb_streams; i++) av_dict_free(&opts[i]); av_freep(&opts); if (err < 0) { print_error(filename, err); return err; } } av_dump_format(fmt_ctx, 0, filename, 0); ifile->streams = av_mallocz_array(fmt_ctx->nb_streams, sizeof(*ifile->streams)); if (!ifile->streams) exit(1); ifile->nb_streams = fmt_ctx->nb_streams; /* bind a decoder to each input stream */ for (i = 0; i < fmt_ctx->nb_streams; i++) { InputStream *ist = &ifile->streams[i]; AVStream *stream = fmt_ctx->streams[i]; AVCodec *codec; ist->st = stream; if (stream->codecpar->codec_id == AV_CODEC_ID_PROBE) { av_log(NULL, AV_LOG_WARNING, "Failed to probe codec for input stream %d\n", stream->index); continue; } codec = avcodec_find_decoder(stream->codecpar->codec_id); if (!codec) { av_log(NULL, AV_LOG_WARNING, "Unsupported codec with id %d for input stream %d\n", stream->codecpar->codec_id, stream->index); continue; } { AVDictionary *opts = filter_codec_opts(codec_opts, stream->codecpar->codec_id, fmt_ctx, stream, codec); ist->dec_ctx = avcodec_alloc_context3(codec); if (!ist->dec_ctx) exit(1); err = avcodec_parameters_to_context(ist->dec_ctx, stream->codecpar); if (err < 0) exit(1); if (do_show_log) { // For loging it is needed to disable at least frame threads as otherwise // the log information would need to be reordered and matches up to contexts and frames // That is in fact possible but not trivial av_dict_set(&codec_opts, "threads", "1", 0); } av_codec_set_pkt_timebase(ist->dec_ctx, stream->time_base); ist->dec_ctx->framerate = stream->avg_frame_rate; if (avcodec_open2(ist->dec_ctx, codec, &opts) < 0) { av_log(NULL, AV_LOG_WARNING, "Could not open codec for input stream %d\n", stream->index); exit(1); } 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; } } } ifile->fmt_ctx = fmt_ctx; return 0; } static void close_input_file(InputFile *ifile) { int i; /* close decoder for each stream */ for (i = 0; i < ifile->nb_streams; i++) if (ifile->streams[i].st->codecpar->codec_id != AV_CODEC_ID_NONE) avcodec_free_context(&ifile->streams[i].dec_ctx); av_freep(&ifile->streams); ifile->nb_streams = 0; avformat_close_input(&ifile->fmt_ctx); } static int probe_file(WriterContext *wctx, const char *filename) { InputFile ifile = { 0 }; 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(&ifile, filename); if (ret < 0) goto end; #define CHECK_END if (ret < 0) goto end nb_streams = ifile.fmt_ctx->nb_streams; REALLOCZ_ARRAY_STREAM(nb_streams_frames,0,ifile.fmt_ctx->nb_streams); REALLOCZ_ARRAY_STREAM(nb_streams_packets,0,ifile.fmt_ctx->nb_streams); REALLOCZ_ARRAY_STREAM(selected_streams,0,ifile.fmt_ctx->nb_streams); for (i = 0; i < ifile.fmt_ctx->nb_streams; i++) { if (stream_specifier) { ret = avformat_match_stream_specifier(ifile.fmt_ctx, ifile.fmt_ctx->streams[i], stream_specifier); CHECK_END; else selected_streams[i] = ret; ret = 0; } else { selected_streams[i] = 1; } if (!selected_streams[i]) ifile.fmt_ctx->streams[i]->discard = AVDISCARD_ALL; } 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, &ifile); if (do_show_frames || do_show_packets) writer_print_section_footer(wctx); CHECK_END; } if (do_show_programs) { ret = show_programs(wctx, &ifile); CHECK_END; } if (do_show_streams) { ret = show_streams(wctx, &ifile); CHECK_END; } if (do_show_chapters) { ret = show_chapters(wctx, &ifile); CHECK_END; } if (do_show_format) { ret = show_format(wctx, &ifile); CHECK_END; } end: if (ifile.fmt_ctx) close_input_file(&ifile); 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("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); } #define PRINT_PIX_FMT_FLAG(flagname, name) \ do { \ print_int(name, !!(pixdesc->flags & AV_PIX_FMT_FLAG_##flagname)); \ } while (0) static void ffprobe_show_pixel_formats(WriterContext *w) { const AVPixFmtDescriptor *pixdesc = NULL; int i, n; writer_print_section_header(w, SECTION_ID_PIXEL_FORMATS); while (pixdesc = av_pix_fmt_desc_next(pixdesc)) { writer_print_section_header(w, SECTION_ID_PIXEL_FORMAT); print_str("name", pixdesc->name); print_int("nb_components", pixdesc->nb_components); if ((pixdesc->nb_components >= 3) && !(pixdesc->flags & AV_PIX_FMT_FLAG_RGB)) { print_int ("log2_chroma_w", pixdesc->log2_chroma_w); print_int ("log2_chroma_h", pixdesc->log2_chroma_h); } else { print_str_opt("log2_chroma_w", "N/A"); print_str_opt("log2_chroma_h", "N/A"); } n = av_get_bits_per_pixel(pixdesc); if (n) print_int ("bits_per_pixel", n); else print_str_opt("bits_per_pixel", "N/A"); if (do_show_pixel_format_flags) { writer_print_section_header(w, SECTION_ID_PIXEL_FORMAT_FLAGS); PRINT_PIX_FMT_FLAG(BE, "big_endian"); PRINT_PIX_FMT_FLAG(PAL, "palette"); PRINT_PIX_FMT_FLAG(BITSTREAM, "bitstream"); PRINT_PIX_FMT_FLAG(HWACCEL, "hwaccel"); PRINT_PIX_FMT_FLAG(PLANAR, "planar"); PRINT_PIX_FMT_FLAG(RGB, "rgb"); PRINT_PIX_FMT_FLAG(PSEUDOPAL, "pseudopal"); PRINT_PIX_FMT_FLAG(ALPHA, "alpha"); writer_print_section_footer(w); } if (do_show_pixel_format_components && (pixdesc->nb_components > 0)) { writer_print_section_header(w, SECTION_ID_PIXEL_FORMAT_COMPONENTS); for (i = 0; i < pixdesc->nb_components; i++) { writer_print_section_header(w, SECTION_ID_PIXEL_FORMAT_COMPONENT); print_int("index", i + 1); print_int("bit_depth", pixdesc->comp[i].depth); writer_print_section_footer(w); } writer_print_section_footer(w); } writer_print_section_footer(w); } 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; if (!buf) return AVERROR(ENOMEM); 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); show_help_children(avcodec_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 { interval->duration_frames = 0; 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(pixel_formats, PIXEL_FORMATS) 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[] = { CMDUTILS_COMMON_OPTIONS { "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_data_hash", OPT_STRING | HAS_ARG, {(void*)&show_data_hash}, "show packets data hash" }, { "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" }, #if HAVE_THREADS { "show_log", OPT_INT|HAS_ARG, {(void*)&do_show_log}, "show log" }, #endif { "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_pixel_formats", 0, {(void*)&opt_show_pixel_formats}, "show pixel format descriptions" }, { "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"}, { "find_stream_info", OPT_BOOL | OPT_INPUT | OPT_EXPERT, { &find_stream_info }, "read and decode the streams to fill missing information with heuristics" }, { 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; init_dynload(); #if HAVE_THREADS ret = pthread_mutex_init(&log_mutex, NULL); if (ret != 0) { goto end; } #endif 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); if (do_show_log) av_log_set_callback(log_callback); /* 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(PIXEL_FORMATS, pixel_formats); SET_DO_SHOW(PIXEL_FORMAT_FLAGS, pixel_format_flags); SET_DO_SHOW(PIXEL_FORMAT_COMPONENTS, pixel_format_components); 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); SET_DO_SHOW(PROGRAM_STREAM_TAGS, stream_tags); SET_DO_SHOW(PACKET_TAGS, packet_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); if (!w_name) { av_log(NULL, AV_LOG_ERROR, "No name specified for the output format\n"); ret = AVERROR(EINVAL); goto end; } w_args = buf; if (show_data_hash) { if ((ret = av_hash_alloc(&hash, show_data_hash)) < 0) { if (ret == AVERROR(EINVAL)) { const char *n; av_log(NULL, AV_LOG_ERROR, "Unknown hash algorithm '%s'\nKnown algorithms:", show_data_hash); for (i = 0; (n = av_hash_names(i)); i++) av_log(NULL, AV_LOG_ERROR, " %s", n); av_log(NULL, AV_LOG_ERROR, "\n"); } goto end; } } 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 (do_show_pixel_formats) ffprobe_show_pixel_formats(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 && !do_show_pixel_formats))) { 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); av_hash_freep(&hash); 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; }