yading@10: /* yading@10: * Copyright (c) 2007-2010 Stefano Sabatini yading@10: * yading@10: * This file is part of FFmpeg. yading@10: * yading@10: * FFmpeg is free software; you can redistribute it and/or yading@10: * modify it under the terms of the GNU Lesser General Public yading@10: * License as published by the Free Software Foundation; either yading@10: * version 2.1 of the License, or (at your option) any later version. yading@10: * yading@10: * FFmpeg is distributed in the hope that it will be useful, yading@10: * but WITHOUT ANY WARRANTY; without even the implied warranty of yading@10: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU yading@10: * Lesser General Public License for more details. yading@10: * yading@10: * You should have received a copy of the GNU Lesser General Public yading@10: * License along with FFmpeg; if not, write to the Free Software yading@10: * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA yading@10: */ yading@10: yading@10: /** yading@10: * @file yading@10: * simple media prober based on the FFmpeg libraries yading@10: */ yading@10: yading@10: #include "config.h" yading@10: #include "version.h" yading@10: yading@10: #include yading@10: yading@10: #include "libavformat/avformat.h" yading@10: #include "libavcodec/avcodec.h" yading@10: #include "libavutil/avassert.h" yading@10: #include "libavutil/avstring.h" yading@10: #include "libavutil/bprint.h" yading@10: #include "libavutil/opt.h" yading@10: #include "libavutil/pixdesc.h" yading@10: #include "libavutil/dict.h" yading@10: #include "libavutil/libm.h" yading@10: #include "libavutil/timecode.h" yading@10: #include "libavdevice/avdevice.h" yading@10: #include "libswscale/swscale.h" yading@10: #include "libswresample/swresample.h" yading@10: #include "libpostproc/postprocess.h" yading@10: #include "cmdutils.h" yading@10: yading@10: const char program_name[] = "ffprobe"; yading@10: const int program_birth_year = 2007; yading@10: yading@10: static int do_bitexact = 0; yading@10: static int do_count_frames = 0; yading@10: static int do_count_packets = 0; yading@10: static int do_read_frames = 0; yading@10: static int do_read_packets = 0; yading@10: static int do_show_error = 0; yading@10: static int do_show_format = 0; yading@10: static int do_show_frames = 0; yading@10: static int do_show_packets = 0; yading@10: static int do_show_streams = 0; yading@10: static int do_show_stream_disposition = 0; yading@10: static int do_show_data = 0; yading@10: static int do_show_program_version = 0; yading@10: static int do_show_library_versions = 0; yading@10: yading@10: static int show_value_unit = 0; yading@10: static int use_value_prefix = 0; yading@10: static int use_byte_value_binary_prefix = 0; yading@10: static int use_value_sexagesimal_format = 0; yading@10: static int show_private_data = 1; yading@10: yading@10: static char *print_format; yading@10: static char *stream_specifier; yading@10: yading@10: /* section structure definition */ yading@10: yading@10: #define SECTION_MAX_NB_CHILDREN 10 yading@10: yading@10: struct section { yading@10: int id; ///< unique id identifying a section yading@10: const char *name; yading@10: yading@10: #define SECTION_FLAG_IS_WRAPPER 1 ///< the section only contains other sections, but has no data at its own level yading@10: #define SECTION_FLAG_IS_ARRAY 2 ///< the section contains an array of elements of the same type yading@10: #define SECTION_FLAG_HAS_VARIABLE_FIELDS 4 ///< the section may contain a variable number of fields with variable keys. yading@10: /// For these sections the element_name field is mandatory. yading@10: int flags; yading@10: int children_ids[SECTION_MAX_NB_CHILDREN+1]; ///< list of children section IDS, terminated by -1 yading@10: const char *element_name; ///< name of the contained element, if provided yading@10: const char *unique_name; ///< unique section name, in case the name is ambiguous yading@10: AVDictionary *entries_to_show; yading@10: int show_all_entries; yading@10: }; yading@10: yading@10: typedef enum { yading@10: SECTION_ID_NONE = -1, yading@10: SECTION_ID_ERROR, yading@10: SECTION_ID_FORMAT, yading@10: SECTION_ID_FORMAT_TAGS, yading@10: SECTION_ID_FRAME, yading@10: SECTION_ID_FRAMES, yading@10: SECTION_ID_FRAME_TAGS, yading@10: SECTION_ID_LIBRARY_VERSION, yading@10: SECTION_ID_LIBRARY_VERSIONS, yading@10: SECTION_ID_PACKET, yading@10: SECTION_ID_PACKETS, yading@10: SECTION_ID_PACKETS_AND_FRAMES, yading@10: SECTION_ID_PROGRAM_VERSION, yading@10: SECTION_ID_ROOT, yading@10: SECTION_ID_STREAM, yading@10: SECTION_ID_STREAM_DISPOSITION, yading@10: SECTION_ID_STREAMS, yading@10: SECTION_ID_STREAM_TAGS, yading@10: } SectionID; yading@10: yading@10: static struct section sections[] = { yading@10: [SECTION_ID_ERROR] = { SECTION_ID_ERROR, "error", 0, { -1 } }, yading@10: [SECTION_ID_FORMAT] = { SECTION_ID_FORMAT, "format", 0, { SECTION_ID_FORMAT_TAGS, -1 } }, yading@10: [SECTION_ID_FORMAT_TAGS] = { SECTION_ID_FORMAT_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "format_tags" }, yading@10: [SECTION_ID_FRAMES] = { SECTION_ID_FRAMES, "frames", SECTION_FLAG_IS_ARRAY, { SECTION_ID_FRAME, -1 } }, yading@10: [SECTION_ID_FRAME] = { SECTION_ID_FRAME, "frame", 0, { SECTION_ID_FRAME_TAGS, -1 } }, yading@10: [SECTION_ID_FRAME_TAGS] = { SECTION_ID_FRAME_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "frame_tags" }, yading@10: [SECTION_ID_LIBRARY_VERSIONS] = { SECTION_ID_LIBRARY_VERSIONS, "library_versions", SECTION_FLAG_IS_ARRAY, { SECTION_ID_LIBRARY_VERSION, -1 } }, yading@10: [SECTION_ID_LIBRARY_VERSION] = { SECTION_ID_LIBRARY_VERSION, "library_version", 0, { -1 } }, yading@10: [SECTION_ID_PACKETS] = { SECTION_ID_PACKETS, "packets", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PACKET, -1} }, yading@10: [SECTION_ID_PACKETS_AND_FRAMES] = { SECTION_ID_PACKETS_AND_FRAMES, "packets_and_frames", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PACKET, -1} }, yading@10: [SECTION_ID_PACKET] = { SECTION_ID_PACKET, "packet", 0, { -1 } }, yading@10: [SECTION_ID_PROGRAM_VERSION] = { SECTION_ID_PROGRAM_VERSION, "program_version", 0, { -1 } }, yading@10: [SECTION_ID_ROOT] = { SECTION_ID_ROOT, "root", SECTION_FLAG_IS_WRAPPER, yading@10: { SECTION_ID_FORMAT, SECTION_ID_FRAMES, SECTION_ID_STREAMS, SECTION_ID_PACKETS, yading@10: SECTION_ID_ERROR, SECTION_ID_PROGRAM_VERSION, SECTION_ID_LIBRARY_VERSIONS, -1} }, yading@10: [SECTION_ID_STREAMS] = { SECTION_ID_STREAMS, "streams", SECTION_FLAG_IS_ARRAY, { SECTION_ID_STREAM, -1 } }, yading@10: [SECTION_ID_STREAM] = { SECTION_ID_STREAM, "stream", 0, { SECTION_ID_STREAM_DISPOSITION, SECTION_ID_STREAM_TAGS, -1 } }, yading@10: [SECTION_ID_STREAM_DISPOSITION] = { SECTION_ID_STREAM_DISPOSITION, "disposition", 0, { -1 }, .unique_name = "stream_disposition" }, yading@10: [SECTION_ID_STREAM_TAGS] = { SECTION_ID_STREAM_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "stream_tags" }, yading@10: }; yading@10: yading@10: static const OptionDef *options; yading@10: yading@10: /* FFprobe context */ yading@10: static const char *input_filename; yading@10: static AVInputFormat *iformat = NULL; yading@10: yading@10: static const char *const binary_unit_prefixes [] = { "", "Ki", "Mi", "Gi", "Ti", "Pi" }; yading@10: static const char *const decimal_unit_prefixes[] = { "", "K" , "M" , "G" , "T" , "P" }; yading@10: yading@10: static const char unit_second_str[] = "s" ; yading@10: static const char unit_hertz_str[] = "Hz" ; yading@10: static const char unit_byte_str[] = "byte" ; yading@10: static const char unit_bit_per_second_str[] = "bit/s"; yading@10: yading@10: static uint64_t *nb_streams_packets; yading@10: static uint64_t *nb_streams_frames; yading@10: static int *selected_streams; yading@10: yading@10: static void exit_program(void) yading@10: { yading@10: int i; yading@10: for (i = 0; i < FF_ARRAY_ELEMS(sections); i++) yading@10: av_dict_free(&(sections[i].entries_to_show)); yading@10: } yading@10: yading@10: struct unit_value { yading@10: union { double d; long long int i; } val; yading@10: const char *unit; yading@10: }; yading@10: yading@10: static char *value_string(char *buf, int buf_size, struct unit_value uv) yading@10: { yading@10: double vald; yading@10: long long int vali; yading@10: int show_float = 0; yading@10: yading@10: if (uv.unit == unit_second_str) { yading@10: vald = uv.val.d; yading@10: show_float = 1; yading@10: } else { yading@10: vald = vali = uv.val.i; yading@10: } yading@10: yading@10: if (uv.unit == unit_second_str && use_value_sexagesimal_format) { yading@10: double secs; yading@10: int hours, mins; yading@10: secs = vald; yading@10: mins = (int)secs / 60; yading@10: secs = secs - mins * 60; yading@10: hours = mins / 60; yading@10: mins %= 60; yading@10: snprintf(buf, buf_size, "%d:%02d:%09.6f", hours, mins, secs); yading@10: } else { yading@10: const char *prefix_string = ""; yading@10: yading@10: if (use_value_prefix && vald > 1) { yading@10: long long int index; yading@10: yading@10: if (uv.unit == unit_byte_str && use_byte_value_binary_prefix) { yading@10: index = (long long int) (log2(vald)) / 10; yading@10: index = av_clip(index, 0, FF_ARRAY_ELEMS(binary_unit_prefixes) - 1); yading@10: vald /= exp2(index * 10); yading@10: prefix_string = binary_unit_prefixes[index]; yading@10: } else { yading@10: index = (long long int) (log10(vald)) / 3; yading@10: index = av_clip(index, 0, FF_ARRAY_ELEMS(decimal_unit_prefixes) - 1); yading@10: vald /= pow(10, index * 3); yading@10: prefix_string = decimal_unit_prefixes[index]; yading@10: } yading@10: } yading@10: yading@10: if (show_float || (use_value_prefix && vald != (long long int)vald)) yading@10: snprintf(buf, buf_size, "%f", vald); yading@10: else yading@10: snprintf(buf, buf_size, "%lld", vali); yading@10: av_strlcatf(buf, buf_size, "%s%s%s", *prefix_string || show_value_unit ? " " : "", yading@10: prefix_string, show_value_unit ? uv.unit : ""); yading@10: } yading@10: yading@10: return buf; yading@10: } yading@10: yading@10: /* WRITERS API */ yading@10: yading@10: typedef struct WriterContext WriterContext; yading@10: yading@10: #define WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS 1 yading@10: #define WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER 2 yading@10: yading@10: typedef struct Writer { yading@10: const AVClass *priv_class; ///< private class of the writer, if any yading@10: int priv_size; ///< private size for the writer context yading@10: const char *name; yading@10: yading@10: int (*init) (WriterContext *wctx); yading@10: void (*uninit)(WriterContext *wctx); yading@10: yading@10: void (*print_section_header)(WriterContext *wctx); yading@10: void (*print_section_footer)(WriterContext *wctx); yading@10: void (*print_integer) (WriterContext *wctx, const char *, long long int); yading@10: void (*print_rational) (WriterContext *wctx, AVRational *q, char *sep); yading@10: void (*print_string) (WriterContext *wctx, const char *, const char *); yading@10: int flags; ///< a combination or WRITER_FLAG_* yading@10: } Writer; yading@10: yading@10: #define SECTION_MAX_NB_LEVELS 10 yading@10: yading@10: struct WriterContext { yading@10: const AVClass *class; ///< class of the writer yading@10: const Writer *writer; ///< the Writer of which this is an instance yading@10: char *name; ///< name of this writer instance yading@10: void *priv; ///< private data for use by the filter yading@10: yading@10: const struct section *sections; ///< array containing all sections yading@10: int nb_sections; ///< number of sections yading@10: yading@10: int level; ///< current level, starting from 0 yading@10: yading@10: /** number of the item printed in the given section, starting from 0 */ yading@10: unsigned int nb_item[SECTION_MAX_NB_LEVELS]; yading@10: yading@10: /** section per each level */ yading@10: const struct section *section[SECTION_MAX_NB_LEVELS]; yading@10: AVBPrint section_pbuf[SECTION_MAX_NB_LEVELS]; ///< generic print buffer dedicated to each section, yading@10: /// used by various writers yading@10: yading@10: unsigned int nb_section_packet; ///< number of the packet section in case we are in "packets_and_frames" section yading@10: unsigned int nb_section_frame; ///< number of the frame section in case we are in "packets_and_frames" section yading@10: unsigned int nb_section_packet_frame; ///< nb_section_packet or nb_section_frame according if is_packets_and_frames yading@10: }; yading@10: yading@10: static const char *writer_get_name(void *p) yading@10: { yading@10: WriterContext *wctx = p; yading@10: return wctx->writer->name; yading@10: } yading@10: yading@10: static const AVClass writer_class = { yading@10: "Writer", yading@10: writer_get_name, yading@10: NULL, yading@10: LIBAVUTIL_VERSION_INT, yading@10: }; yading@10: yading@10: static void writer_close(WriterContext **wctx) yading@10: { yading@10: int i; yading@10: yading@10: if (!*wctx) yading@10: return; yading@10: yading@10: if ((*wctx)->writer->uninit) yading@10: (*wctx)->writer->uninit(*wctx); yading@10: for (i = 0; i < SECTION_MAX_NB_LEVELS; i++) yading@10: av_bprint_finalize(&(*wctx)->section_pbuf[i], NULL); yading@10: if ((*wctx)->writer->priv_class) yading@10: av_opt_free((*wctx)->priv); yading@10: av_freep(&((*wctx)->priv)); yading@10: av_freep(wctx); yading@10: } yading@10: yading@10: static int writer_open(WriterContext **wctx, const Writer *writer, const char *args, yading@10: const struct section *sections, int nb_sections) yading@10: { yading@10: int i, ret = 0; yading@10: yading@10: if (!(*wctx = av_mallocz(sizeof(WriterContext)))) { yading@10: ret = AVERROR(ENOMEM); yading@10: goto fail; yading@10: } yading@10: yading@10: if (!((*wctx)->priv = av_mallocz(writer->priv_size))) { yading@10: ret = AVERROR(ENOMEM); yading@10: goto fail; yading@10: } yading@10: yading@10: (*wctx)->class = &writer_class; yading@10: (*wctx)->writer = writer; yading@10: (*wctx)->level = -1; yading@10: (*wctx)->sections = sections; yading@10: (*wctx)->nb_sections = nb_sections; yading@10: yading@10: if (writer->priv_class) { yading@10: void *priv_ctx = (*wctx)->priv; yading@10: *((const AVClass **)priv_ctx) = writer->priv_class; yading@10: av_opt_set_defaults(priv_ctx); yading@10: yading@10: if (args && yading@10: (ret = av_set_options_string(priv_ctx, args, "=", ":")) < 0) yading@10: goto fail; yading@10: } yading@10: yading@10: for (i = 0; i < SECTION_MAX_NB_LEVELS; i++) yading@10: av_bprint_init(&(*wctx)->section_pbuf[i], 1, AV_BPRINT_SIZE_UNLIMITED); yading@10: yading@10: if ((*wctx)->writer->init) yading@10: ret = (*wctx)->writer->init(*wctx); yading@10: if (ret < 0) yading@10: goto fail; yading@10: yading@10: return 0; yading@10: yading@10: fail: yading@10: writer_close(wctx); yading@10: return ret; yading@10: } yading@10: yading@10: static inline void writer_print_section_header(WriterContext *wctx, yading@10: int section_id) yading@10: { yading@10: int parent_section_id; yading@10: wctx->level++; yading@10: av_assert0(wctx->level < SECTION_MAX_NB_LEVELS); yading@10: parent_section_id = wctx->level ? yading@10: (wctx->section[wctx->level-1])->id : SECTION_ID_NONE; yading@10: yading@10: wctx->nb_item[wctx->level] = 0; yading@10: wctx->section[wctx->level] = &wctx->sections[section_id]; yading@10: yading@10: if (section_id == SECTION_ID_PACKETS_AND_FRAMES) { yading@10: wctx->nb_section_packet = wctx->nb_section_frame = yading@10: wctx->nb_section_packet_frame = 0; yading@10: } else if (parent_section_id == SECTION_ID_PACKETS_AND_FRAMES) { yading@10: wctx->nb_section_packet_frame = section_id == SECTION_ID_PACKET ? yading@10: wctx->nb_section_packet : wctx->nb_section_frame; yading@10: } yading@10: yading@10: if (wctx->writer->print_section_header) yading@10: wctx->writer->print_section_header(wctx); yading@10: } yading@10: yading@10: static inline void writer_print_section_footer(WriterContext *wctx) yading@10: { yading@10: int section_id = wctx->section[wctx->level]->id; yading@10: int parent_section_id = wctx->level ? yading@10: wctx->section[wctx->level-1]->id : SECTION_ID_NONE; yading@10: yading@10: if (parent_section_id != SECTION_ID_NONE) yading@10: wctx->nb_item[wctx->level-1]++; yading@10: if (parent_section_id == SECTION_ID_PACKETS_AND_FRAMES) { yading@10: if (section_id == SECTION_ID_PACKET) wctx->nb_section_packet++; yading@10: else wctx->nb_section_frame++; yading@10: } yading@10: if (wctx->writer->print_section_footer) yading@10: wctx->writer->print_section_footer(wctx); yading@10: wctx->level--; yading@10: } yading@10: yading@10: static inline void writer_print_integer(WriterContext *wctx, yading@10: const char *key, long long int val) yading@10: { yading@10: const struct section *section = wctx->section[wctx->level]; yading@10: yading@10: if (section->show_all_entries || av_dict_get(section->entries_to_show, key, NULL, 0)) { yading@10: wctx->writer->print_integer(wctx, key, val); yading@10: wctx->nb_item[wctx->level]++; yading@10: } yading@10: } yading@10: yading@10: static inline void writer_print_string(WriterContext *wctx, yading@10: const char *key, const char *val, int opt) yading@10: { yading@10: const struct section *section = wctx->section[wctx->level]; yading@10: yading@10: if (opt && !(wctx->writer->flags & WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS)) yading@10: return; yading@10: yading@10: if (section->show_all_entries || av_dict_get(section->entries_to_show, key, NULL, 0)) { yading@10: wctx->writer->print_string(wctx, key, val); yading@10: wctx->nb_item[wctx->level]++; yading@10: } yading@10: } yading@10: yading@10: static inline void writer_print_rational(WriterContext *wctx, yading@10: const char *key, AVRational q, char sep) yading@10: { yading@10: AVBPrint buf; yading@10: av_bprint_init(&buf, 0, AV_BPRINT_SIZE_AUTOMATIC); yading@10: av_bprintf(&buf, "%d%c%d", q.num, sep, q.den); yading@10: writer_print_string(wctx, key, buf.str, 0); yading@10: } yading@10: yading@10: static void writer_print_time(WriterContext *wctx, const char *key, yading@10: int64_t ts, const AVRational *time_base, int is_duration) yading@10: { yading@10: char buf[128]; yading@10: yading@10: if ((!is_duration && ts == AV_NOPTS_VALUE) || (is_duration && ts == 0)) { yading@10: writer_print_string(wctx, key, "N/A", 1); yading@10: } else { yading@10: double d = ts * av_q2d(*time_base); yading@10: struct unit_value uv; yading@10: uv.val.d = d; yading@10: uv.unit = unit_second_str; yading@10: value_string(buf, sizeof(buf), uv); yading@10: writer_print_string(wctx, key, buf, 0); yading@10: } yading@10: } yading@10: yading@10: static void writer_print_ts(WriterContext *wctx, const char *key, int64_t ts, int is_duration) yading@10: { yading@10: if ((!is_duration && ts == AV_NOPTS_VALUE) || (is_duration && ts == 0)) { yading@10: writer_print_string(wctx, key, "N/A", 1); yading@10: } else { yading@10: writer_print_integer(wctx, key, ts); yading@10: } yading@10: } yading@10: yading@10: static void writer_print_data(WriterContext *wctx, const char *name, yading@10: uint8_t *data, int size) yading@10: { yading@10: AVBPrint bp; yading@10: int offset = 0, l, i; yading@10: yading@10: av_bprint_init(&bp, 0, AV_BPRINT_SIZE_UNLIMITED); yading@10: av_bprintf(&bp, "\n"); yading@10: while (size) { yading@10: av_bprintf(&bp, "%08x: ", offset); yading@10: l = FFMIN(size, 16); yading@10: for (i = 0; i < l; i++) { yading@10: av_bprintf(&bp, "%02x", data[i]); yading@10: if (i & 1) yading@10: av_bprintf(&bp, " "); yading@10: } yading@10: av_bprint_chars(&bp, ' ', 41 - 2 * i - i / 2); yading@10: for (i = 0; i < l; i++) yading@10: av_bprint_chars(&bp, data[i] - 32U < 95 ? data[i] : '.', 1); yading@10: av_bprintf(&bp, "\n"); yading@10: offset += l; yading@10: data += l; yading@10: size -= l; yading@10: } yading@10: writer_print_string(wctx, name, bp.str, 0); yading@10: av_bprint_finalize(&bp, NULL); yading@10: } yading@10: yading@10: #define MAX_REGISTERED_WRITERS_NB 64 yading@10: yading@10: static const Writer *registered_writers[MAX_REGISTERED_WRITERS_NB + 1]; yading@10: yading@10: static int writer_register(const Writer *writer) yading@10: { yading@10: static int next_registered_writer_idx = 0; yading@10: yading@10: if (next_registered_writer_idx == MAX_REGISTERED_WRITERS_NB) yading@10: return AVERROR(ENOMEM); yading@10: yading@10: registered_writers[next_registered_writer_idx++] = writer; yading@10: return 0; yading@10: } yading@10: yading@10: static const Writer *writer_get_by_name(const char *name) yading@10: { yading@10: int i; yading@10: yading@10: for (i = 0; registered_writers[i]; i++) yading@10: if (!strcmp(registered_writers[i]->name, name)) yading@10: return registered_writers[i]; yading@10: yading@10: return NULL; yading@10: } yading@10: yading@10: yading@10: /* WRITERS */ yading@10: yading@10: #define DEFINE_WRITER_CLASS(name) \ yading@10: static const char *name##_get_name(void *ctx) \ yading@10: { \ yading@10: return #name ; \ yading@10: } \ yading@10: static const AVClass name##_class = { \ yading@10: #name, \ yading@10: name##_get_name, \ yading@10: name##_options \ yading@10: } yading@10: yading@10: /* Default output */ yading@10: yading@10: typedef struct DefaultContext { yading@10: const AVClass *class; yading@10: int nokey; yading@10: int noprint_wrappers; yading@10: int nested_section[SECTION_MAX_NB_LEVELS]; yading@10: } DefaultContext; yading@10: yading@10: #define OFFSET(x) offsetof(DefaultContext, x) yading@10: yading@10: static const AVOption default_options[] = { yading@10: { "noprint_wrappers", "do not print headers and footers", OFFSET(noprint_wrappers), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 }, yading@10: { "nw", "do not print headers and footers", OFFSET(noprint_wrappers), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 }, yading@10: { "nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 }, yading@10: { "nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 }, yading@10: {NULL}, yading@10: }; yading@10: yading@10: DEFINE_WRITER_CLASS(default); yading@10: yading@10: /* lame uppercasing routine, assumes the string is lower case ASCII */ yading@10: static inline char *upcase_string(char *dst, size_t dst_size, const char *src) yading@10: { yading@10: int i; yading@10: for (i = 0; src[i] && i < dst_size-1; i++) yading@10: dst[i] = av_toupper(src[i]); yading@10: dst[i] = 0; yading@10: return dst; yading@10: } yading@10: yading@10: static void default_print_section_header(WriterContext *wctx) yading@10: { yading@10: DefaultContext *def = wctx->priv; yading@10: char buf[32]; yading@10: const struct section *section = wctx->section[wctx->level]; yading@10: const struct section *parent_section = wctx->level ? yading@10: wctx->section[wctx->level-1] : NULL; yading@10: yading@10: av_bprint_clear(&wctx->section_pbuf[wctx->level]); yading@10: if (parent_section && yading@10: !(parent_section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY))) { yading@10: def->nested_section[wctx->level] = 1; yading@10: av_bprintf(&wctx->section_pbuf[wctx->level], "%s%s:", yading@10: wctx->section_pbuf[wctx->level-1].str, yading@10: upcase_string(buf, sizeof(buf), yading@10: av_x_if_null(section->element_name, section->name))); yading@10: } yading@10: yading@10: if (def->noprint_wrappers || def->nested_section[wctx->level]) yading@10: return; yading@10: yading@10: if (!(section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY))) yading@10: printf("[%s]\n", upcase_string(buf, sizeof(buf), section->name)); yading@10: } yading@10: yading@10: static void default_print_section_footer(WriterContext *wctx) yading@10: { yading@10: DefaultContext *def = wctx->priv; yading@10: const struct section *section = wctx->section[wctx->level]; yading@10: char buf[32]; yading@10: yading@10: if (def->noprint_wrappers || def->nested_section[wctx->level]) yading@10: return; yading@10: yading@10: if (!(section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY))) yading@10: printf("[/%s]\n", upcase_string(buf, sizeof(buf), section->name)); yading@10: } yading@10: yading@10: static void default_print_str(WriterContext *wctx, const char *key, const char *value) yading@10: { yading@10: DefaultContext *def = wctx->priv; yading@10: yading@10: if (!def->nokey) yading@10: printf("%s%s=", wctx->section_pbuf[wctx->level].str, key); yading@10: printf("%s\n", value); yading@10: } yading@10: yading@10: static void default_print_int(WriterContext *wctx, const char *key, long long int value) yading@10: { yading@10: DefaultContext *def = wctx->priv; yading@10: yading@10: if (!def->nokey) yading@10: printf("%s%s=", wctx->section_pbuf[wctx->level].str, key); yading@10: printf("%lld\n", value); yading@10: } yading@10: yading@10: static const Writer default_writer = { yading@10: .name = "default", yading@10: .priv_size = sizeof(DefaultContext), yading@10: .print_section_header = default_print_section_header, yading@10: .print_section_footer = default_print_section_footer, yading@10: .print_integer = default_print_int, yading@10: .print_string = default_print_str, yading@10: .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS, yading@10: .priv_class = &default_class, yading@10: }; yading@10: yading@10: /* Compact output */ yading@10: yading@10: /** yading@10: * Apply C-language-like string escaping. yading@10: */ yading@10: static const char *c_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx) yading@10: { yading@10: const char *p; yading@10: yading@10: for (p = src; *p; p++) { yading@10: switch (*p) { yading@10: case '\b': av_bprintf(dst, "%s", "\\b"); break; yading@10: case '\f': av_bprintf(dst, "%s", "\\f"); break; yading@10: case '\n': av_bprintf(dst, "%s", "\\n"); break; yading@10: case '\r': av_bprintf(dst, "%s", "\\r"); break; yading@10: case '\\': av_bprintf(dst, "%s", "\\\\"); break; yading@10: default: yading@10: if (*p == sep) yading@10: av_bprint_chars(dst, '\\', 1); yading@10: av_bprint_chars(dst, *p, 1); yading@10: } yading@10: } yading@10: return dst->str; yading@10: } yading@10: yading@10: /** yading@10: * Quote fields containing special characters, check RFC4180. yading@10: */ yading@10: static const char *csv_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx) yading@10: { yading@10: char meta_chars[] = { sep, '"', '\n', '\r', '\0' }; yading@10: int needs_quoting = !!src[strcspn(src, meta_chars)]; yading@10: yading@10: if (needs_quoting) yading@10: av_bprint_chars(dst, '"', 1); yading@10: yading@10: for (; *src; src++) { yading@10: if (*src == '"') yading@10: av_bprint_chars(dst, '"', 1); yading@10: av_bprint_chars(dst, *src, 1); yading@10: } yading@10: if (needs_quoting) yading@10: av_bprint_chars(dst, '"', 1); yading@10: return dst->str; yading@10: } yading@10: yading@10: static const char *none_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx) yading@10: { yading@10: return src; yading@10: } yading@10: yading@10: typedef struct CompactContext { yading@10: const AVClass *class; yading@10: char *item_sep_str; yading@10: char item_sep; yading@10: int nokey; yading@10: int print_section; yading@10: char *escape_mode_str; yading@10: const char * (*escape_str)(AVBPrint *dst, const char *src, const char sep, void *log_ctx); yading@10: int nested_section[SECTION_MAX_NB_LEVELS]; yading@10: } CompactContext; yading@10: yading@10: #undef OFFSET yading@10: #define OFFSET(x) offsetof(CompactContext, x) yading@10: yading@10: static const AVOption compact_options[]= { yading@10: {"item_sep", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str="|"}, CHAR_MIN, CHAR_MAX }, yading@10: {"s", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str="|"}, CHAR_MIN, CHAR_MAX }, yading@10: {"nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 }, yading@10: {"nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 }, yading@10: {"escape", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="c"}, CHAR_MIN, CHAR_MAX }, yading@10: {"e", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="c"}, CHAR_MIN, CHAR_MAX }, yading@10: {"print_section", "print section name", OFFSET(print_section), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 }, yading@10: {"p", "print section name", OFFSET(print_section), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 }, yading@10: {NULL}, yading@10: }; yading@10: yading@10: DEFINE_WRITER_CLASS(compact); yading@10: yading@10: static av_cold int compact_init(WriterContext *wctx) yading@10: { yading@10: CompactContext *compact = wctx->priv; yading@10: yading@10: if (strlen(compact->item_sep_str) != 1) { yading@10: av_log(wctx, AV_LOG_ERROR, "Item separator '%s' specified, but must contain a single character\n", yading@10: compact->item_sep_str); yading@10: return AVERROR(EINVAL); yading@10: } yading@10: compact->item_sep = compact->item_sep_str[0]; yading@10: yading@10: if (!strcmp(compact->escape_mode_str, "none")) compact->escape_str = none_escape_str; yading@10: else if (!strcmp(compact->escape_mode_str, "c" )) compact->escape_str = c_escape_str; yading@10: else if (!strcmp(compact->escape_mode_str, "csv" )) compact->escape_str = csv_escape_str; yading@10: else { yading@10: av_log(wctx, AV_LOG_ERROR, "Unknown escape mode '%s'\n", compact->escape_mode_str); yading@10: return AVERROR(EINVAL); yading@10: } yading@10: yading@10: return 0; yading@10: } yading@10: yading@10: static void compact_print_section_header(WriterContext *wctx) yading@10: { yading@10: CompactContext *compact = wctx->priv; yading@10: const struct section *section = wctx->section[wctx->level]; yading@10: const struct section *parent_section = wctx->level ? yading@10: wctx->section[wctx->level-1] : NULL; yading@10: yading@10: av_bprint_clear(&wctx->section_pbuf[wctx->level]); yading@10: if (parent_section && yading@10: !(parent_section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY))) { yading@10: compact->nested_section[wctx->level] = 1; yading@10: av_bprintf(&wctx->section_pbuf[wctx->level], "%s%s:", yading@10: wctx->section_pbuf[wctx->level-1].str, yading@10: (char *)av_x_if_null(section->element_name, section->name)); yading@10: wctx->nb_item[wctx->level] = wctx->nb_item[wctx->level-1]; yading@10: } else if (compact->print_section && yading@10: !(section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY))) yading@10: printf("%s%c", section->name, compact->item_sep); yading@10: } yading@10: yading@10: static void compact_print_section_footer(WriterContext *wctx) yading@10: { yading@10: CompactContext *compact = wctx->priv; yading@10: yading@10: if (!compact->nested_section[wctx->level] && yading@10: !(wctx->section[wctx->level]->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY))) yading@10: printf("\n"); yading@10: } yading@10: yading@10: static void compact_print_str(WriterContext *wctx, const char *key, const char *value) yading@10: { yading@10: CompactContext *compact = wctx->priv; yading@10: AVBPrint buf; yading@10: yading@10: if (wctx->nb_item[wctx->level]) printf("%c", compact->item_sep); yading@10: if (!compact->nokey) yading@10: printf("%s%s=", wctx->section_pbuf[wctx->level].str, key); yading@10: av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED); yading@10: printf("%s", compact->escape_str(&buf, value, compact->item_sep, wctx)); yading@10: av_bprint_finalize(&buf, NULL); yading@10: } yading@10: yading@10: static void compact_print_int(WriterContext *wctx, const char *key, long long int value) yading@10: { yading@10: CompactContext *compact = wctx->priv; yading@10: yading@10: if (wctx->nb_item[wctx->level]) printf("%c", compact->item_sep); yading@10: if (!compact->nokey) yading@10: printf("%s%s=", wctx->section_pbuf[wctx->level].str, key); yading@10: printf("%lld", value); yading@10: } yading@10: yading@10: static const Writer compact_writer = { yading@10: .name = "compact", yading@10: .priv_size = sizeof(CompactContext), yading@10: .init = compact_init, yading@10: .print_section_header = compact_print_section_header, yading@10: .print_section_footer = compact_print_section_footer, yading@10: .print_integer = compact_print_int, yading@10: .print_string = compact_print_str, yading@10: .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS, yading@10: .priv_class = &compact_class, yading@10: }; yading@10: yading@10: /* CSV output */ yading@10: yading@10: #undef OFFSET yading@10: #define OFFSET(x) offsetof(CompactContext, x) yading@10: yading@10: static const AVOption csv_options[] = { yading@10: {"item_sep", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str=","}, CHAR_MIN, CHAR_MAX }, yading@10: {"s", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str=","}, CHAR_MIN, CHAR_MAX }, yading@10: {"nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 }, yading@10: {"nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 }, yading@10: {"escape", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="csv"}, CHAR_MIN, CHAR_MAX }, yading@10: {"e", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="csv"}, CHAR_MIN, CHAR_MAX }, yading@10: {"print_section", "print section name", OFFSET(print_section), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 }, yading@10: {"p", "print section name", OFFSET(print_section), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 }, yading@10: {NULL}, yading@10: }; yading@10: yading@10: DEFINE_WRITER_CLASS(csv); yading@10: yading@10: static const Writer csv_writer = { yading@10: .name = "csv", yading@10: .priv_size = sizeof(CompactContext), yading@10: .init = compact_init, yading@10: .print_section_header = compact_print_section_header, yading@10: .print_section_footer = compact_print_section_footer, yading@10: .print_integer = compact_print_int, yading@10: .print_string = compact_print_str, yading@10: .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS, yading@10: .priv_class = &csv_class, yading@10: }; yading@10: yading@10: /* Flat output */ yading@10: yading@10: typedef struct FlatContext { yading@10: const AVClass *class; yading@10: const char *sep_str; yading@10: char sep; yading@10: int hierarchical; yading@10: } FlatContext; yading@10: yading@10: #undef OFFSET yading@10: #define OFFSET(x) offsetof(FlatContext, x) yading@10: yading@10: static const AVOption flat_options[]= { yading@10: {"sep_char", "set separator", OFFSET(sep_str), AV_OPT_TYPE_STRING, {.str="."}, CHAR_MIN, CHAR_MAX }, yading@10: {"s", "set separator", OFFSET(sep_str), AV_OPT_TYPE_STRING, {.str="."}, CHAR_MIN, CHAR_MAX }, yading@10: {"hierarchical", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 }, yading@10: {"h", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 }, yading@10: {NULL}, yading@10: }; yading@10: yading@10: DEFINE_WRITER_CLASS(flat); yading@10: yading@10: static av_cold int flat_init(WriterContext *wctx) yading@10: { yading@10: FlatContext *flat = wctx->priv; yading@10: yading@10: if (strlen(flat->sep_str) != 1) { yading@10: av_log(wctx, AV_LOG_ERROR, "Item separator '%s' specified, but must contain a single character\n", yading@10: flat->sep_str); yading@10: return AVERROR(EINVAL); yading@10: } yading@10: flat->sep = flat->sep_str[0]; yading@10: yading@10: return 0; yading@10: } yading@10: yading@10: static const char *flat_escape_key_str(AVBPrint *dst, const char *src, const char sep) yading@10: { yading@10: const char *p; yading@10: yading@10: for (p = src; *p; p++) { yading@10: if (!((*p >= '0' && *p <= '9') || yading@10: (*p >= 'a' && *p <= 'z') || yading@10: (*p >= 'A' && *p <= 'Z'))) yading@10: av_bprint_chars(dst, '_', 1); yading@10: else yading@10: av_bprint_chars(dst, *p, 1); yading@10: } yading@10: return dst->str; yading@10: } yading@10: yading@10: static const char *flat_escape_value_str(AVBPrint *dst, const char *src) yading@10: { yading@10: const char *p; yading@10: yading@10: for (p = src; *p; p++) { yading@10: switch (*p) { yading@10: case '\n': av_bprintf(dst, "%s", "\\n"); break; yading@10: case '\r': av_bprintf(dst, "%s", "\\r"); break; yading@10: case '\\': av_bprintf(dst, "%s", "\\\\"); break; yading@10: case '"': av_bprintf(dst, "%s", "\\\""); break; yading@10: case '`': av_bprintf(dst, "%s", "\\`"); break; yading@10: case '$': av_bprintf(dst, "%s", "\\$"); break; yading@10: default: av_bprint_chars(dst, *p, 1); break; yading@10: } yading@10: } yading@10: return dst->str; yading@10: } yading@10: yading@10: static void flat_print_section_header(WriterContext *wctx) yading@10: { yading@10: FlatContext *flat = wctx->priv; yading@10: AVBPrint *buf = &wctx->section_pbuf[wctx->level]; yading@10: const struct section *section = wctx->section[wctx->level]; yading@10: const struct section *parent_section = wctx->level ? yading@10: wctx->section[wctx->level-1] : NULL; yading@10: yading@10: /* build section header */ yading@10: av_bprint_clear(buf); yading@10: if (!parent_section) yading@10: return; yading@10: av_bprintf(buf, "%s", wctx->section_pbuf[wctx->level-1].str); yading@10: yading@10: if (flat->hierarchical || yading@10: !(section->flags & (SECTION_FLAG_IS_ARRAY|SECTION_FLAG_IS_WRAPPER))) { yading@10: av_bprintf(buf, "%s%s", wctx->section[wctx->level]->name, flat->sep_str); yading@10: yading@10: if (parent_section->flags & SECTION_FLAG_IS_ARRAY) { yading@10: int n = parent_section->id == SECTION_ID_PACKETS_AND_FRAMES ? yading@10: wctx->nb_section_packet_frame : wctx->nb_item[wctx->level-1]; yading@10: av_bprintf(buf, "%d%s", n, flat->sep_str); yading@10: } yading@10: } yading@10: } yading@10: yading@10: static void flat_print_int(WriterContext *wctx, const char *key, long long int value) yading@10: { yading@10: printf("%s%s=%lld\n", wctx->section_pbuf[wctx->level].str, key, value); yading@10: } yading@10: yading@10: static void flat_print_str(WriterContext *wctx, const char *key, const char *value) yading@10: { yading@10: FlatContext *flat = wctx->priv; yading@10: AVBPrint buf; yading@10: yading@10: printf("%s", wctx->section_pbuf[wctx->level].str); yading@10: av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED); yading@10: printf("%s=", flat_escape_key_str(&buf, key, flat->sep)); yading@10: av_bprint_clear(&buf); yading@10: printf("\"%s\"\n", flat_escape_value_str(&buf, value)); yading@10: av_bprint_finalize(&buf, NULL); yading@10: } yading@10: yading@10: static const Writer flat_writer = { yading@10: .name = "flat", yading@10: .priv_size = sizeof(FlatContext), yading@10: .init = flat_init, yading@10: .print_section_header = flat_print_section_header, yading@10: .print_integer = flat_print_int, yading@10: .print_string = flat_print_str, yading@10: .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS|WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER, yading@10: .priv_class = &flat_class, yading@10: }; yading@10: yading@10: /* INI format output */ yading@10: yading@10: typedef struct { yading@10: const AVClass *class; yading@10: int hierarchical; yading@10: } INIContext; yading@10: yading@10: #undef OFFSET yading@10: #define OFFSET(x) offsetof(INIContext, x) yading@10: yading@10: static const AVOption ini_options[] = { yading@10: {"hierarchical", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 }, yading@10: {"h", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 }, yading@10: {NULL}, yading@10: }; yading@10: yading@10: DEFINE_WRITER_CLASS(ini); yading@10: yading@10: static char *ini_escape_str(AVBPrint *dst, const char *src) yading@10: { yading@10: int i = 0; yading@10: char c = 0; yading@10: yading@10: while (c = src[i++]) { yading@10: switch (c) { yading@10: case '\b': av_bprintf(dst, "%s", "\\b"); break; yading@10: case '\f': av_bprintf(dst, "%s", "\\f"); break; yading@10: case '\n': av_bprintf(dst, "%s", "\\n"); break; yading@10: case '\r': av_bprintf(dst, "%s", "\\r"); break; yading@10: case '\t': av_bprintf(dst, "%s", "\\t"); break; yading@10: case '\\': yading@10: case '#' : yading@10: case '=' : yading@10: case ':' : av_bprint_chars(dst, '\\', 1); yading@10: default: yading@10: if ((unsigned char)c < 32) yading@10: av_bprintf(dst, "\\x00%02x", c & 0xff); yading@10: else yading@10: av_bprint_chars(dst, c, 1); yading@10: break; yading@10: } yading@10: } yading@10: return dst->str; yading@10: } yading@10: yading@10: static void ini_print_section_header(WriterContext *wctx) yading@10: { yading@10: INIContext *ini = wctx->priv; yading@10: AVBPrint *buf = &wctx->section_pbuf[wctx->level]; yading@10: const struct section *section = wctx->section[wctx->level]; yading@10: const struct section *parent_section = wctx->level ? yading@10: wctx->section[wctx->level-1] : NULL; yading@10: yading@10: av_bprint_clear(buf); yading@10: if (!parent_section) { yading@10: printf("# ffprobe output\n\n"); yading@10: return; yading@10: } yading@10: yading@10: if (wctx->nb_item[wctx->level-1]) yading@10: printf("\n"); yading@10: yading@10: av_bprintf(buf, "%s", wctx->section_pbuf[wctx->level-1].str); yading@10: if (ini->hierarchical || yading@10: !(section->flags & (SECTION_FLAG_IS_ARRAY|SECTION_FLAG_IS_WRAPPER))) { yading@10: av_bprintf(buf, "%s%s", buf->str[0] ? "." : "", wctx->section[wctx->level]->name); yading@10: yading@10: if (parent_section->flags & SECTION_FLAG_IS_ARRAY) { yading@10: int n = parent_section->id == SECTION_ID_PACKETS_AND_FRAMES ? yading@10: wctx->nb_section_packet_frame : wctx->nb_item[wctx->level-1]; yading@10: av_bprintf(buf, ".%d", n); yading@10: } yading@10: } yading@10: yading@10: if (!(section->flags & (SECTION_FLAG_IS_ARRAY|SECTION_FLAG_IS_WRAPPER))) yading@10: printf("[%s]\n", buf->str); yading@10: } yading@10: yading@10: static void ini_print_str(WriterContext *wctx, const char *key, const char *value) yading@10: { yading@10: AVBPrint buf; yading@10: yading@10: av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED); yading@10: printf("%s=", ini_escape_str(&buf, key)); yading@10: av_bprint_clear(&buf); yading@10: printf("%s\n", ini_escape_str(&buf, value)); yading@10: av_bprint_finalize(&buf, NULL); yading@10: } yading@10: yading@10: static void ini_print_int(WriterContext *wctx, const char *key, long long int value) yading@10: { yading@10: printf("%s=%lld\n", key, value); yading@10: } yading@10: yading@10: static const Writer ini_writer = { yading@10: .name = "ini", yading@10: .priv_size = sizeof(INIContext), yading@10: .print_section_header = ini_print_section_header, yading@10: .print_integer = ini_print_int, yading@10: .print_string = ini_print_str, yading@10: .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS|WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER, yading@10: .priv_class = &ini_class, yading@10: }; yading@10: yading@10: /* JSON output */ yading@10: yading@10: typedef struct { yading@10: const AVClass *class; yading@10: int indent_level; yading@10: int compact; yading@10: const char *item_sep, *item_start_end; yading@10: } JSONContext; yading@10: yading@10: #undef OFFSET yading@10: #define OFFSET(x) offsetof(JSONContext, x) yading@10: yading@10: static const AVOption json_options[]= { yading@10: { "compact", "enable compact output", OFFSET(compact), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 }, yading@10: { "c", "enable compact output", OFFSET(compact), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 }, yading@10: { NULL } yading@10: }; yading@10: yading@10: DEFINE_WRITER_CLASS(json); yading@10: yading@10: static av_cold int json_init(WriterContext *wctx) yading@10: { yading@10: JSONContext *json = wctx->priv; yading@10: yading@10: json->item_sep = json->compact ? ", " : ",\n"; yading@10: json->item_start_end = json->compact ? " " : "\n"; yading@10: yading@10: return 0; yading@10: } yading@10: yading@10: static const char *json_escape_str(AVBPrint *dst, const char *src, void *log_ctx) yading@10: { yading@10: static const char json_escape[] = {'"', '\\', '\b', '\f', '\n', '\r', '\t', 0}; yading@10: static const char json_subst[] = {'"', '\\', 'b', 'f', 'n', 'r', 't', 0}; yading@10: const char *p; yading@10: yading@10: for (p = src; *p; p++) { yading@10: char *s = strchr(json_escape, *p); yading@10: if (s) { yading@10: av_bprint_chars(dst, '\\', 1); yading@10: av_bprint_chars(dst, json_subst[s - json_escape], 1); yading@10: } else if ((unsigned char)*p < 32) { yading@10: av_bprintf(dst, "\\u00%02x", *p & 0xff); yading@10: } else { yading@10: av_bprint_chars(dst, *p, 1); yading@10: } yading@10: } yading@10: return dst->str; yading@10: } yading@10: yading@10: #define JSON_INDENT() printf("%*c", json->indent_level * 4, ' ') yading@10: yading@10: static void json_print_section_header(WriterContext *wctx) yading@10: { yading@10: JSONContext *json = wctx->priv; yading@10: AVBPrint buf; yading@10: const struct section *section = wctx->section[wctx->level]; yading@10: const struct section *parent_section = wctx->level ? yading@10: wctx->section[wctx->level-1] : NULL; yading@10: yading@10: if (wctx->level && wctx->nb_item[wctx->level-1]) yading@10: printf(",\n"); yading@10: yading@10: if (section->flags & SECTION_FLAG_IS_WRAPPER) { yading@10: printf("{\n"); yading@10: json->indent_level++; yading@10: } else { yading@10: av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED); yading@10: json_escape_str(&buf, section->name, wctx); yading@10: JSON_INDENT(); yading@10: yading@10: json->indent_level++; yading@10: if (section->flags & SECTION_FLAG_IS_ARRAY) { yading@10: printf("\"%s\": [\n", buf.str); yading@10: } else if (parent_section && !(parent_section->flags & SECTION_FLAG_IS_ARRAY)) { yading@10: printf("\"%s\": {%s", buf.str, json->item_start_end); yading@10: } else { yading@10: printf("{%s", json->item_start_end); yading@10: yading@10: /* this is required so the parser can distinguish between packets and frames */ yading@10: if (parent_section && parent_section->id == SECTION_ID_PACKETS_AND_FRAMES) { yading@10: if (!json->compact) yading@10: JSON_INDENT(); yading@10: printf("\"type\": \"%s\"%s", section->name, json->item_sep); yading@10: } yading@10: } yading@10: av_bprint_finalize(&buf, NULL); yading@10: } yading@10: } yading@10: yading@10: static void json_print_section_footer(WriterContext *wctx) yading@10: { yading@10: JSONContext *json = wctx->priv; yading@10: const struct section *section = wctx->section[wctx->level]; yading@10: yading@10: if (wctx->level == 0) { yading@10: json->indent_level--; yading@10: printf("\n}\n"); yading@10: } else if (section->flags & SECTION_FLAG_IS_ARRAY) { yading@10: printf("\n"); yading@10: json->indent_level--; yading@10: JSON_INDENT(); yading@10: printf("]"); yading@10: } else { yading@10: printf("%s", json->item_start_end); yading@10: json->indent_level--; yading@10: if (!json->compact) yading@10: JSON_INDENT(); yading@10: printf("}"); yading@10: } yading@10: } yading@10: yading@10: static inline void json_print_item_str(WriterContext *wctx, yading@10: const char *key, const char *value) yading@10: { yading@10: AVBPrint buf; yading@10: yading@10: av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED); yading@10: printf("\"%s\":", json_escape_str(&buf, key, wctx)); yading@10: av_bprint_clear(&buf); yading@10: printf(" \"%s\"", json_escape_str(&buf, value, wctx)); yading@10: av_bprint_finalize(&buf, NULL); yading@10: } yading@10: yading@10: static void json_print_str(WriterContext *wctx, const char *key, const char *value) yading@10: { yading@10: JSONContext *json = wctx->priv; yading@10: yading@10: if (wctx->nb_item[wctx->level]) yading@10: printf("%s", json->item_sep); yading@10: if (!json->compact) yading@10: JSON_INDENT(); yading@10: json_print_item_str(wctx, key, value); yading@10: } yading@10: yading@10: static void json_print_int(WriterContext *wctx, const char *key, long long int value) yading@10: { yading@10: JSONContext *json = wctx->priv; yading@10: AVBPrint buf; yading@10: yading@10: if (wctx->nb_item[wctx->level]) yading@10: printf("%s", json->item_sep); yading@10: if (!json->compact) yading@10: JSON_INDENT(); yading@10: yading@10: av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED); yading@10: printf("\"%s\": %lld", json_escape_str(&buf, key, wctx), value); yading@10: av_bprint_finalize(&buf, NULL); yading@10: } yading@10: yading@10: static const Writer json_writer = { yading@10: .name = "json", yading@10: .priv_size = sizeof(JSONContext), yading@10: .init = json_init, yading@10: .print_section_header = json_print_section_header, yading@10: .print_section_footer = json_print_section_footer, yading@10: .print_integer = json_print_int, yading@10: .print_string = json_print_str, yading@10: .flags = WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER, yading@10: .priv_class = &json_class, yading@10: }; yading@10: yading@10: /* XML output */ yading@10: yading@10: typedef struct { yading@10: const AVClass *class; yading@10: int within_tag; yading@10: int indent_level; yading@10: int fully_qualified; yading@10: int xsd_strict; yading@10: } XMLContext; yading@10: yading@10: #undef OFFSET yading@10: #define OFFSET(x) offsetof(XMLContext, x) yading@10: yading@10: static const AVOption xml_options[] = { yading@10: {"fully_qualified", "specify if the output should be fully qualified", OFFSET(fully_qualified), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 }, yading@10: {"q", "specify if the output should be fully qualified", OFFSET(fully_qualified), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 }, yading@10: {"xsd_strict", "ensure that the output is XSD compliant", OFFSET(xsd_strict), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 }, yading@10: {"x", "ensure that the output is XSD compliant", OFFSET(xsd_strict), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 }, yading@10: {NULL}, yading@10: }; yading@10: yading@10: DEFINE_WRITER_CLASS(xml); yading@10: yading@10: static av_cold int xml_init(WriterContext *wctx) yading@10: { yading@10: XMLContext *xml = wctx->priv; yading@10: yading@10: if (xml->xsd_strict) { yading@10: xml->fully_qualified = 1; yading@10: #define CHECK_COMPLIANCE(opt, opt_name) \ yading@10: if (opt) { \ yading@10: av_log(wctx, AV_LOG_ERROR, \ yading@10: "XSD-compliant output selected but option '%s' was selected, XML output may be non-compliant.\n" \ yading@10: "You need to disable such option with '-no%s'\n", opt_name, opt_name); \ yading@10: return AVERROR(EINVAL); \ yading@10: } yading@10: CHECK_COMPLIANCE(show_private_data, "private"); yading@10: CHECK_COMPLIANCE(show_value_unit, "unit"); yading@10: CHECK_COMPLIANCE(use_value_prefix, "prefix"); yading@10: yading@10: if (do_show_frames && do_show_packets) { yading@10: av_log(wctx, AV_LOG_ERROR, yading@10: "Interleaved frames and packets are not allowed in XSD. " yading@10: "Select only one between the -show_frames and the -show_packets options.\n"); yading@10: return AVERROR(EINVAL); yading@10: } yading@10: } yading@10: yading@10: return 0; yading@10: } yading@10: yading@10: static const char *xml_escape_str(AVBPrint *dst, const char *src, void *log_ctx) yading@10: { yading@10: const char *p; yading@10: yading@10: for (p = src; *p; p++) { yading@10: switch (*p) { yading@10: case '&' : av_bprintf(dst, "%s", "&"); break; yading@10: case '<' : av_bprintf(dst, "%s", "<"); break; yading@10: case '>' : av_bprintf(dst, "%s", ">"); break; yading@10: case '"' : av_bprintf(dst, "%s", """); break; yading@10: case '\'': av_bprintf(dst, "%s", "'"); break; yading@10: default: av_bprint_chars(dst, *p, 1); yading@10: } yading@10: } yading@10: yading@10: return dst->str; yading@10: } yading@10: yading@10: #define XML_INDENT() printf("%*c", xml->indent_level * 4, ' ') yading@10: yading@10: static void xml_print_section_header(WriterContext *wctx) yading@10: { yading@10: XMLContext *xml = wctx->priv; yading@10: const struct section *section = wctx->section[wctx->level]; yading@10: const struct section *parent_section = wctx->level ? yading@10: wctx->section[wctx->level-1] : NULL; yading@10: yading@10: if (wctx->level == 0) { yading@10: const char *qual = " xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' " yading@10: "xmlns:ffprobe='http://www.ffmpeg.org/schema/ffprobe' " yading@10: "xsi:schemaLocation='http://www.ffmpeg.org/schema/ffprobe ffprobe.xsd'"; yading@10: yading@10: printf("\n"); yading@10: printf("<%sffprobe%s>\n", yading@10: xml->fully_qualified ? "ffprobe:" : "", yading@10: xml->fully_qualified ? qual : ""); yading@10: return; yading@10: } yading@10: yading@10: if (xml->within_tag) { yading@10: xml->within_tag = 0; yading@10: printf(">\n"); yading@10: } yading@10: if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) { yading@10: xml->indent_level++; yading@10: } else { yading@10: if (parent_section && (parent_section->flags & SECTION_FLAG_IS_WRAPPER) && yading@10: wctx->level && wctx->nb_item[wctx->level-1]) yading@10: printf("\n"); yading@10: xml->indent_level++; yading@10: yading@10: if (section->flags & SECTION_FLAG_IS_ARRAY) { yading@10: XML_INDENT(); printf("<%s>\n", section->name); yading@10: } else { yading@10: XML_INDENT(); printf("<%s ", section->name); yading@10: xml->within_tag = 1; yading@10: } yading@10: } yading@10: } yading@10: yading@10: static void xml_print_section_footer(WriterContext *wctx) yading@10: { yading@10: XMLContext *xml = wctx->priv; yading@10: const struct section *section = wctx->section[wctx->level]; yading@10: yading@10: if (wctx->level == 0) { yading@10: printf("\n", xml->fully_qualified ? "ffprobe:" : ""); yading@10: } else if (xml->within_tag) { yading@10: xml->within_tag = 0; yading@10: printf("/>\n"); yading@10: xml->indent_level--; yading@10: } else if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) { yading@10: xml->indent_level--; yading@10: } else { yading@10: XML_INDENT(); printf("\n", section->name); yading@10: xml->indent_level--; yading@10: } yading@10: } yading@10: yading@10: static void xml_print_str(WriterContext *wctx, const char *key, const char *value) yading@10: { yading@10: AVBPrint buf; yading@10: XMLContext *xml = wctx->priv; yading@10: const struct section *section = wctx->section[wctx->level]; yading@10: yading@10: av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED); yading@10: yading@10: if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) { yading@10: XML_INDENT(); yading@10: printf("<%s key=\"%s\"", yading@10: section->element_name, xml_escape_str(&buf, key, wctx)); yading@10: av_bprint_clear(&buf); yading@10: printf(" value=\"%s\"/>\n", xml_escape_str(&buf, value, wctx)); yading@10: } else { yading@10: if (wctx->nb_item[wctx->level]) yading@10: printf(" "); yading@10: printf("%s=\"%s\"", key, xml_escape_str(&buf, value, wctx)); yading@10: } yading@10: yading@10: av_bprint_finalize(&buf, NULL); yading@10: } yading@10: yading@10: static void xml_print_int(WriterContext *wctx, const char *key, long long int value) yading@10: { yading@10: if (wctx->nb_item[wctx->level]) yading@10: printf(" "); yading@10: printf("%s=\"%lld\"", key, value); yading@10: } yading@10: yading@10: static Writer xml_writer = { yading@10: .name = "xml", yading@10: .priv_size = sizeof(XMLContext), yading@10: .init = xml_init, yading@10: .print_section_header = xml_print_section_header, yading@10: .print_section_footer = xml_print_section_footer, yading@10: .print_integer = xml_print_int, yading@10: .print_string = xml_print_str, yading@10: .flags = WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER, yading@10: .priv_class = &xml_class, yading@10: }; yading@10: yading@10: static void writer_register_all(void) yading@10: { yading@10: static int initialized; yading@10: yading@10: if (initialized) yading@10: return; yading@10: initialized = 1; yading@10: yading@10: writer_register(&default_writer); yading@10: writer_register(&compact_writer); yading@10: writer_register(&csv_writer); yading@10: writer_register(&flat_writer); yading@10: writer_register(&ini_writer); yading@10: writer_register(&json_writer); yading@10: writer_register(&xml_writer); yading@10: } yading@10: yading@10: #define print_fmt(k, f, ...) do { \ yading@10: av_bprint_clear(&pbuf); \ yading@10: av_bprintf(&pbuf, f, __VA_ARGS__); \ yading@10: writer_print_string(w, k, pbuf.str, 0); \ yading@10: } while (0) yading@10: yading@10: #define print_int(k, v) writer_print_integer(w, k, v) yading@10: #define print_q(k, v, s) writer_print_rational(w, k, v, s) yading@10: #define print_str(k, v) writer_print_string(w, k, v, 0) yading@10: #define print_str_opt(k, v) writer_print_string(w, k, v, 1) yading@10: #define print_time(k, v, tb) writer_print_time(w, k, v, tb, 0) yading@10: #define print_ts(k, v) writer_print_ts(w, k, v, 0) yading@10: #define print_duration_time(k, v, tb) writer_print_time(w, k, v, tb, 1) yading@10: #define print_duration_ts(k, v) writer_print_ts(w, k, v, 1) yading@10: #define print_val(k, v, u) do { \ yading@10: struct unit_value uv; \ yading@10: uv.val.i = v; \ yading@10: uv.unit = u; \ yading@10: writer_print_string(w, k, value_string(val_str, sizeof(val_str), uv), 0); \ yading@10: } while (0) yading@10: yading@10: #define print_section_header(s) writer_print_section_header(w, s) yading@10: #define print_section_footer(s) writer_print_section_footer(w, s) yading@10: yading@10: static inline void show_tags(WriterContext *wctx, AVDictionary *tags, int section_id) yading@10: { yading@10: AVDictionaryEntry *tag = NULL; yading@10: yading@10: if (!tags) yading@10: return; yading@10: writer_print_section_header(wctx, section_id); yading@10: while ((tag = av_dict_get(tags, "", tag, AV_DICT_IGNORE_SUFFIX))) yading@10: writer_print_string(wctx, tag->key, tag->value, 0); yading@10: writer_print_section_footer(wctx); yading@10: } yading@10: yading@10: static void show_packet(WriterContext *w, AVFormatContext *fmt_ctx, AVPacket *pkt, int packet_idx) yading@10: { yading@10: char val_str[128]; yading@10: AVStream *st = fmt_ctx->streams[pkt->stream_index]; yading@10: AVBPrint pbuf; yading@10: const char *s; yading@10: yading@10: av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED); yading@10: yading@10: writer_print_section_header(w, SECTION_ID_PACKET); yading@10: yading@10: s = av_get_media_type_string(st->codec->codec_type); yading@10: if (s) print_str ("codec_type", s); yading@10: else print_str_opt("codec_type", "unknown"); yading@10: print_int("stream_index", pkt->stream_index); yading@10: print_ts ("pts", pkt->pts); yading@10: print_time("pts_time", pkt->pts, &st->time_base); yading@10: print_ts ("dts", pkt->dts); yading@10: print_time("dts_time", pkt->dts, &st->time_base); yading@10: print_duration_ts("duration", pkt->duration); yading@10: print_duration_time("duration_time", pkt->duration, &st->time_base); yading@10: print_duration_ts("convergence_duration", pkt->convergence_duration); yading@10: print_duration_time("convergence_duration_time", pkt->convergence_duration, &st->time_base); yading@10: print_val("size", pkt->size, unit_byte_str); yading@10: if (pkt->pos != -1) print_fmt ("pos", "%"PRId64, pkt->pos); yading@10: else print_str_opt("pos", "N/A"); yading@10: print_fmt("flags", "%c", pkt->flags & AV_PKT_FLAG_KEY ? 'K' : '_'); yading@10: if (do_show_data) yading@10: writer_print_data(w, "data", pkt->data, pkt->size); yading@10: writer_print_section_footer(w); yading@10: yading@10: av_bprint_finalize(&pbuf, NULL); yading@10: fflush(stdout); yading@10: } yading@10: yading@10: static void show_frame(WriterContext *w, AVFrame *frame, AVStream *stream, yading@10: AVFormatContext *fmt_ctx) yading@10: { yading@10: AVBPrint pbuf; yading@10: const char *s; yading@10: yading@10: av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED); yading@10: yading@10: writer_print_section_header(w, SECTION_ID_FRAME); yading@10: yading@10: s = av_get_media_type_string(stream->codec->codec_type); yading@10: if (s) print_str ("media_type", s); yading@10: else print_str_opt("media_type", "unknown"); yading@10: print_int("key_frame", frame->key_frame); yading@10: print_ts ("pkt_pts", frame->pkt_pts); yading@10: print_time("pkt_pts_time", frame->pkt_pts, &stream->time_base); yading@10: print_ts ("pkt_dts", frame->pkt_dts); yading@10: print_time("pkt_dts_time", frame->pkt_dts, &stream->time_base); yading@10: print_duration_ts ("pkt_duration", av_frame_get_pkt_duration(frame)); yading@10: print_duration_time("pkt_duration_time", av_frame_get_pkt_duration(frame), &stream->time_base); yading@10: if (av_frame_get_pkt_pos (frame) != -1) print_fmt ("pkt_pos", "%"PRId64, av_frame_get_pkt_pos(frame)); yading@10: else print_str_opt("pkt_pos", "N/A"); yading@10: if (av_frame_get_pkt_size(frame) != -1) print_fmt ("pkt_size", "%d", av_frame_get_pkt_size(frame)); yading@10: else print_str_opt("pkt_size", "N/A"); yading@10: yading@10: switch (stream->codec->codec_type) { yading@10: AVRational sar; yading@10: yading@10: case AVMEDIA_TYPE_VIDEO: yading@10: print_int("width", frame->width); yading@10: print_int("height", frame->height); yading@10: s = av_get_pix_fmt_name(frame->format); yading@10: if (s) print_str ("pix_fmt", s); yading@10: else print_str_opt("pix_fmt", "unknown"); yading@10: sar = av_guess_sample_aspect_ratio(fmt_ctx, stream, frame); yading@10: if (sar.num) { yading@10: print_q("sample_aspect_ratio", sar, ':'); yading@10: } else { yading@10: print_str_opt("sample_aspect_ratio", "N/A"); yading@10: } yading@10: print_fmt("pict_type", "%c", av_get_picture_type_char(frame->pict_type)); yading@10: print_int("coded_picture_number", frame->coded_picture_number); yading@10: print_int("display_picture_number", frame->display_picture_number); yading@10: print_int("interlaced_frame", frame->interlaced_frame); yading@10: print_int("top_field_first", frame->top_field_first); yading@10: print_int("repeat_pict", frame->repeat_pict); yading@10: break; yading@10: yading@10: case AVMEDIA_TYPE_AUDIO: yading@10: s = av_get_sample_fmt_name(frame->format); yading@10: if (s) print_str ("sample_fmt", s); yading@10: else print_str_opt("sample_fmt", "unknown"); yading@10: print_int("nb_samples", frame->nb_samples); yading@10: print_int("channels", av_frame_get_channels(frame)); yading@10: if (av_frame_get_channel_layout(frame)) { yading@10: av_bprint_clear(&pbuf); yading@10: av_bprint_channel_layout(&pbuf, av_frame_get_channels(frame), yading@10: av_frame_get_channel_layout(frame)); yading@10: print_str ("channel_layout", pbuf.str); yading@10: } else yading@10: print_str_opt("channel_layout", "unknown"); yading@10: break; yading@10: } yading@10: show_tags(w, av_frame_get_metadata(frame), SECTION_ID_FRAME_TAGS); yading@10: yading@10: writer_print_section_footer(w); yading@10: yading@10: av_bprint_finalize(&pbuf, NULL); yading@10: fflush(stdout); yading@10: } yading@10: yading@10: static av_always_inline int process_frame(WriterContext *w, yading@10: AVFormatContext *fmt_ctx, yading@10: AVFrame *frame, AVPacket *pkt) yading@10: { yading@10: AVCodecContext *dec_ctx = fmt_ctx->streams[pkt->stream_index]->codec; yading@10: int ret = 0, got_frame = 0; yading@10: yading@10: avcodec_get_frame_defaults(frame); yading@10: if (dec_ctx->codec) { yading@10: switch (dec_ctx->codec_type) { yading@10: case AVMEDIA_TYPE_VIDEO: yading@10: ret = avcodec_decode_video2(dec_ctx, frame, &got_frame, pkt); yading@10: break; yading@10: yading@10: case AVMEDIA_TYPE_AUDIO: yading@10: ret = avcodec_decode_audio4(dec_ctx, frame, &got_frame, pkt); yading@10: break; yading@10: } yading@10: } yading@10: yading@10: if (ret < 0) yading@10: return ret; yading@10: ret = FFMIN(ret, pkt->size); /* guard against bogus return values */ yading@10: pkt->data += ret; yading@10: pkt->size -= ret; yading@10: if (got_frame) { yading@10: nb_streams_frames[pkt->stream_index]++; yading@10: if (do_show_frames) yading@10: show_frame(w, frame, fmt_ctx->streams[pkt->stream_index], fmt_ctx); yading@10: } yading@10: return got_frame; yading@10: } yading@10: yading@10: static void read_packets(WriterContext *w, AVFormatContext *fmt_ctx) yading@10: { yading@10: AVPacket pkt, pkt1; yading@10: AVFrame frame; yading@10: int i = 0; yading@10: yading@10: av_init_packet(&pkt); yading@10: yading@10: while (!av_read_frame(fmt_ctx, &pkt)) { yading@10: if (selected_streams[pkt.stream_index]) { yading@10: if (do_read_packets) { yading@10: if (do_show_packets) yading@10: show_packet(w, fmt_ctx, &pkt, i++); yading@10: nb_streams_packets[pkt.stream_index]++; yading@10: } yading@10: if (do_read_frames) { yading@10: pkt1 = pkt; yading@10: while (pkt1.size && process_frame(w, fmt_ctx, &frame, &pkt1) > 0); yading@10: } yading@10: } yading@10: av_free_packet(&pkt); yading@10: } yading@10: av_init_packet(&pkt); yading@10: pkt.data = NULL; yading@10: pkt.size = 0; yading@10: //Flush remaining frames that are cached in the decoder yading@10: for (i = 0; i < fmt_ctx->nb_streams; i++) { yading@10: pkt.stream_index = i; yading@10: if (do_read_frames) yading@10: while (process_frame(w, fmt_ctx, &frame, &pkt) > 0); yading@10: } yading@10: } yading@10: yading@10: static void show_stream(WriterContext *w, AVFormatContext *fmt_ctx, int stream_idx) yading@10: { yading@10: AVStream *stream = fmt_ctx->streams[stream_idx]; yading@10: AVCodecContext *dec_ctx; yading@10: const AVCodec *dec; yading@10: char val_str[128]; yading@10: const char *s; yading@10: AVRational sar, dar; yading@10: AVBPrint pbuf; yading@10: yading@10: av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED); yading@10: yading@10: writer_print_section_header(w, SECTION_ID_STREAM); yading@10: yading@10: print_int("index", stream->index); yading@10: yading@10: if ((dec_ctx = stream->codec)) { yading@10: const char *profile = NULL; yading@10: dec = dec_ctx->codec; yading@10: if (dec) { yading@10: print_str("codec_name", dec->name); yading@10: if (!do_bitexact) { yading@10: if (dec->long_name) print_str ("codec_long_name", dec->long_name); yading@10: else print_str_opt("codec_long_name", "unknown"); yading@10: } yading@10: } else { yading@10: print_str_opt("codec_name", "unknown"); yading@10: if (!do_bitexact) { yading@10: print_str_opt("codec_long_name", "unknown"); yading@10: } yading@10: } yading@10: yading@10: if (dec && (profile = av_get_profile_name(dec, dec_ctx->profile))) yading@10: print_str("profile", profile); yading@10: else yading@10: print_str_opt("profile", "unknown"); yading@10: yading@10: s = av_get_media_type_string(dec_ctx->codec_type); yading@10: if (s) print_str ("codec_type", s); yading@10: else print_str_opt("codec_type", "unknown"); yading@10: print_q("codec_time_base", dec_ctx->time_base, '/'); yading@10: yading@10: /* print AVI/FourCC tag */ yading@10: av_get_codec_tag_string(val_str, sizeof(val_str), dec_ctx->codec_tag); yading@10: print_str("codec_tag_string", val_str); yading@10: print_fmt("codec_tag", "0x%04x", dec_ctx->codec_tag); yading@10: yading@10: switch (dec_ctx->codec_type) { yading@10: case AVMEDIA_TYPE_VIDEO: yading@10: print_int("width", dec_ctx->width); yading@10: print_int("height", dec_ctx->height); yading@10: print_int("has_b_frames", dec_ctx->has_b_frames); yading@10: sar = av_guess_sample_aspect_ratio(fmt_ctx, stream, NULL); yading@10: if (sar.den) { yading@10: print_q("sample_aspect_ratio", sar, ':'); yading@10: av_reduce(&dar.num, &dar.den, yading@10: dec_ctx->width * sar.num, yading@10: dec_ctx->height * sar.den, yading@10: 1024*1024); yading@10: print_q("display_aspect_ratio", dar, ':'); yading@10: } else { yading@10: print_str_opt("sample_aspect_ratio", "N/A"); yading@10: print_str_opt("display_aspect_ratio", "N/A"); yading@10: } yading@10: s = av_get_pix_fmt_name(dec_ctx->pix_fmt); yading@10: if (s) print_str ("pix_fmt", s); yading@10: else print_str_opt("pix_fmt", "unknown"); yading@10: print_int("level", dec_ctx->level); yading@10: if (dec_ctx->timecode_frame_start >= 0) { yading@10: char tcbuf[AV_TIMECODE_STR_SIZE]; yading@10: av_timecode_make_mpeg_tc_string(tcbuf, dec_ctx->timecode_frame_start); yading@10: print_str("timecode", tcbuf); yading@10: } else { yading@10: print_str_opt("timecode", "N/A"); yading@10: } yading@10: break; yading@10: yading@10: case AVMEDIA_TYPE_AUDIO: yading@10: s = av_get_sample_fmt_name(dec_ctx->sample_fmt); yading@10: if (s) print_str ("sample_fmt", s); yading@10: else print_str_opt("sample_fmt", "unknown"); yading@10: print_val("sample_rate", dec_ctx->sample_rate, unit_hertz_str); yading@10: print_int("channels", dec_ctx->channels); yading@10: print_int("bits_per_sample", av_get_bits_per_sample(dec_ctx->codec_id)); yading@10: break; yading@10: } yading@10: } else { yading@10: print_str_opt("codec_type", "unknown"); yading@10: } yading@10: if (dec_ctx->codec && dec_ctx->codec->priv_class && show_private_data) { yading@10: const AVOption *opt = NULL; yading@10: while (opt = av_opt_next(dec_ctx->priv_data,opt)) { yading@10: uint8_t *str; yading@10: if (opt->flags) continue; yading@10: if (av_opt_get(dec_ctx->priv_data, opt->name, 0, &str) >= 0) { yading@10: print_str(opt->name, str); yading@10: av_free(str); yading@10: } yading@10: } yading@10: } yading@10: yading@10: if (fmt_ctx->iformat->flags & AVFMT_SHOW_IDS) print_fmt ("id", "0x%x", stream->id); yading@10: else print_str_opt("id", "N/A"); yading@10: print_q("r_frame_rate", stream->r_frame_rate, '/'); yading@10: print_q("avg_frame_rate", stream->avg_frame_rate, '/'); yading@10: print_q("time_base", stream->time_base, '/'); yading@10: print_ts ("start_pts", stream->start_time); yading@10: print_time("start_time", stream->start_time, &stream->time_base); yading@10: print_ts ("duration_ts", stream->duration); yading@10: print_time("duration", stream->duration, &stream->time_base); yading@10: if (dec_ctx->bit_rate > 0) print_val ("bit_rate", dec_ctx->bit_rate, unit_bit_per_second_str); yading@10: else print_str_opt("bit_rate", "N/A"); yading@10: if (stream->nb_frames) print_fmt ("nb_frames", "%"PRId64, stream->nb_frames); yading@10: else print_str_opt("nb_frames", "N/A"); yading@10: if (nb_streams_frames[stream_idx]) print_fmt ("nb_read_frames", "%"PRIu64, nb_streams_frames[stream_idx]); yading@10: else print_str_opt("nb_read_frames", "N/A"); yading@10: if (nb_streams_packets[stream_idx]) print_fmt ("nb_read_packets", "%"PRIu64, nb_streams_packets[stream_idx]); yading@10: else print_str_opt("nb_read_packets", "N/A"); yading@10: if (do_show_data) yading@10: writer_print_data(w, "extradata", dec_ctx->extradata, yading@10: dec_ctx->extradata_size); yading@10: yading@10: /* Print disposition information */ yading@10: #define PRINT_DISPOSITION(flagname, name) do { \ yading@10: print_int(name, !!(stream->disposition & AV_DISPOSITION_##flagname)); \ yading@10: } while (0) yading@10: yading@10: if (do_show_stream_disposition) { yading@10: writer_print_section_header(w, SECTION_ID_STREAM_DISPOSITION); yading@10: PRINT_DISPOSITION(DEFAULT, "default"); yading@10: PRINT_DISPOSITION(DUB, "dub"); yading@10: PRINT_DISPOSITION(ORIGINAL, "original"); yading@10: PRINT_DISPOSITION(COMMENT, "comment"); yading@10: PRINT_DISPOSITION(LYRICS, "lyrics"); yading@10: PRINT_DISPOSITION(KARAOKE, "karaoke"); yading@10: PRINT_DISPOSITION(FORCED, "forced"); yading@10: PRINT_DISPOSITION(HEARING_IMPAIRED, "hearing_impaired"); yading@10: PRINT_DISPOSITION(VISUAL_IMPAIRED, "visual_impaired"); yading@10: PRINT_DISPOSITION(CLEAN_EFFECTS, "clean_effects"); yading@10: PRINT_DISPOSITION(ATTACHED_PIC, "attached_pic"); yading@10: writer_print_section_footer(w); yading@10: } yading@10: yading@10: show_tags(w, stream->metadata, SECTION_ID_STREAM_TAGS); yading@10: yading@10: writer_print_section_footer(w); yading@10: av_bprint_finalize(&pbuf, NULL); yading@10: fflush(stdout); yading@10: } yading@10: yading@10: static void show_streams(WriterContext *w, AVFormatContext *fmt_ctx) yading@10: { yading@10: int i; yading@10: writer_print_section_header(w, SECTION_ID_STREAMS); yading@10: for (i = 0; i < fmt_ctx->nb_streams; i++) yading@10: if (selected_streams[i]) yading@10: show_stream(w, fmt_ctx, i); yading@10: writer_print_section_footer(w); yading@10: } yading@10: yading@10: static void show_format(WriterContext *w, AVFormatContext *fmt_ctx) yading@10: { yading@10: char val_str[128]; yading@10: int64_t size = fmt_ctx->pb ? avio_size(fmt_ctx->pb) : -1; yading@10: yading@10: writer_print_section_header(w, SECTION_ID_FORMAT); yading@10: print_str("filename", fmt_ctx->filename); yading@10: print_int("nb_streams", fmt_ctx->nb_streams); yading@10: print_str("format_name", fmt_ctx->iformat->name); yading@10: if (!do_bitexact) { yading@10: if (fmt_ctx->iformat->long_name) print_str ("format_long_name", fmt_ctx->iformat->long_name); yading@10: else print_str_opt("format_long_name", "unknown"); yading@10: } yading@10: print_time("start_time", fmt_ctx->start_time, &AV_TIME_BASE_Q); yading@10: print_time("duration", fmt_ctx->duration, &AV_TIME_BASE_Q); yading@10: if (size >= 0) print_val ("size", size, unit_byte_str); yading@10: else print_str_opt("size", "N/A"); yading@10: if (fmt_ctx->bit_rate > 0) print_val ("bit_rate", fmt_ctx->bit_rate, unit_bit_per_second_str); yading@10: else print_str_opt("bit_rate", "N/A"); yading@10: show_tags(w, fmt_ctx->metadata, SECTION_ID_FORMAT_TAGS); yading@10: yading@10: writer_print_section_footer(w); yading@10: fflush(stdout); yading@10: } yading@10: yading@10: static void show_error(WriterContext *w, int err) yading@10: { yading@10: char errbuf[128]; yading@10: const char *errbuf_ptr = errbuf; yading@10: yading@10: if (av_strerror(err, errbuf, sizeof(errbuf)) < 0) yading@10: errbuf_ptr = strerror(AVUNERROR(err)); yading@10: yading@10: writer_print_section_header(w, SECTION_ID_ERROR); yading@10: print_int("code", err); yading@10: print_str("string", errbuf_ptr); yading@10: writer_print_section_footer(w); yading@10: } yading@10: yading@10: static int open_input_file(AVFormatContext **fmt_ctx_ptr, const char *filename) yading@10: { yading@10: int err, i, orig_nb_streams; yading@10: AVFormatContext *fmt_ctx = NULL; yading@10: AVDictionaryEntry *t; yading@10: AVDictionary **opts; yading@10: yading@10: if ((err = avformat_open_input(&fmt_ctx, filename, yading@10: iformat, &format_opts)) < 0) { yading@10: print_error(filename, err); yading@10: return err; yading@10: } yading@10: if ((t = av_dict_get(format_opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) { yading@10: av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key); yading@10: return AVERROR_OPTION_NOT_FOUND; yading@10: } yading@10: yading@10: /* fill the streams in the format context */ yading@10: opts = setup_find_stream_info_opts(fmt_ctx, codec_opts); yading@10: orig_nb_streams = fmt_ctx->nb_streams; yading@10: yading@10: if ((err = avformat_find_stream_info(fmt_ctx, opts)) < 0) { yading@10: print_error(filename, err); yading@10: return err; yading@10: } yading@10: for (i = 0; i < orig_nb_streams; i++) yading@10: av_dict_free(&opts[i]); yading@10: av_freep(&opts); yading@10: yading@10: av_dump_format(fmt_ctx, 0, filename, 0); yading@10: yading@10: /* bind a decoder to each input stream */ yading@10: for (i = 0; i < fmt_ctx->nb_streams; i++) { yading@10: AVStream *stream = fmt_ctx->streams[i]; yading@10: AVCodec *codec; yading@10: yading@10: if (stream->codec->codec_id == AV_CODEC_ID_PROBE) { yading@10: av_log(NULL, AV_LOG_ERROR, yading@10: "Failed to probe codec for input stream %d\n", yading@10: stream->index); yading@10: } else if (!(codec = avcodec_find_decoder(stream->codec->codec_id))) { yading@10: av_log(NULL, AV_LOG_ERROR, yading@10: "Unsupported codec with id %d for input stream %d\n", yading@10: stream->codec->codec_id, stream->index); yading@10: } else { yading@10: AVDictionary *opts = filter_codec_opts(codec_opts, stream->codec->codec_id, yading@10: fmt_ctx, stream, codec); yading@10: if (avcodec_open2(stream->codec, codec, &opts) < 0) { yading@10: av_log(NULL, AV_LOG_ERROR, "Error while opening codec for input stream %d\n", yading@10: stream->index); yading@10: } yading@10: if ((t = av_dict_get(opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) { yading@10: av_log(NULL, AV_LOG_ERROR, "Option %s for input stream %d not found\n", yading@10: t->key, stream->index); yading@10: return AVERROR_OPTION_NOT_FOUND; yading@10: } yading@10: } yading@10: } yading@10: yading@10: *fmt_ctx_ptr = fmt_ctx; yading@10: return 0; yading@10: } yading@10: yading@10: static void close_input_file(AVFormatContext **ctx_ptr) yading@10: { yading@10: int i; yading@10: AVFormatContext *fmt_ctx = *ctx_ptr; yading@10: yading@10: /* close decoder for each stream */ yading@10: for (i = 0; i < fmt_ctx->nb_streams; i++) yading@10: if (fmt_ctx->streams[i]->codec->codec_id != AV_CODEC_ID_NONE) yading@10: avcodec_close(fmt_ctx->streams[i]->codec); yading@10: yading@10: avformat_close_input(ctx_ptr); yading@10: } yading@10: yading@10: static int probe_file(WriterContext *wctx, const char *filename) yading@10: { yading@10: AVFormatContext *fmt_ctx; yading@10: int ret, i; yading@10: int section_id; yading@10: yading@10: do_read_frames = do_show_frames || do_count_frames; yading@10: do_read_packets = do_show_packets || do_count_packets; yading@10: yading@10: ret = open_input_file(&fmt_ctx, filename); yading@10: if (ret >= 0) { yading@10: nb_streams_frames = av_calloc(fmt_ctx->nb_streams, sizeof(*nb_streams_frames)); yading@10: nb_streams_packets = av_calloc(fmt_ctx->nb_streams, sizeof(*nb_streams_packets)); yading@10: selected_streams = av_calloc(fmt_ctx->nb_streams, sizeof(*selected_streams)); yading@10: yading@10: for (i = 0; i < fmt_ctx->nb_streams; i++) { yading@10: if (stream_specifier) { yading@10: ret = avformat_match_stream_specifier(fmt_ctx, yading@10: fmt_ctx->streams[i], yading@10: stream_specifier); yading@10: if (ret < 0) yading@10: goto end; yading@10: else yading@10: selected_streams[i] = ret; yading@10: } else { yading@10: selected_streams[i] = 1; yading@10: } yading@10: } yading@10: yading@10: if (do_read_frames || do_read_packets) { yading@10: if (do_show_frames && do_show_packets && yading@10: wctx->writer->flags & WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER) yading@10: section_id = SECTION_ID_PACKETS_AND_FRAMES; yading@10: else if (do_show_packets && !do_show_frames) yading@10: section_id = SECTION_ID_PACKETS; yading@10: else // (!do_show_packets && do_show_frames) yading@10: section_id = SECTION_ID_FRAMES; yading@10: if (do_show_frames || do_show_packets) yading@10: writer_print_section_header(wctx, section_id); yading@10: read_packets(wctx, fmt_ctx); yading@10: if (do_show_frames || do_show_packets) yading@10: writer_print_section_footer(wctx); yading@10: } yading@10: if (do_show_streams) yading@10: show_streams(wctx, fmt_ctx); yading@10: if (do_show_format) yading@10: show_format(wctx, fmt_ctx); yading@10: yading@10: end: yading@10: close_input_file(&fmt_ctx); yading@10: av_freep(&nb_streams_frames); yading@10: av_freep(&nb_streams_packets); yading@10: av_freep(&selected_streams); yading@10: } yading@10: return ret; yading@10: } yading@10: yading@10: static void show_usage(void) yading@10: { yading@10: av_log(NULL, AV_LOG_INFO, "Simple multimedia streams analyzer\n"); yading@10: av_log(NULL, AV_LOG_INFO, "usage: %s [OPTIONS] [INPUT_FILE]\n", program_name); yading@10: av_log(NULL, AV_LOG_INFO, "\n"); yading@10: } yading@10: yading@10: static void ffprobe_show_program_version(WriterContext *w) yading@10: { yading@10: AVBPrint pbuf; yading@10: av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED); yading@10: yading@10: writer_print_section_header(w, SECTION_ID_PROGRAM_VERSION); yading@10: print_str("version", FFMPEG_VERSION); yading@10: print_fmt("copyright", "Copyright (c) %d-%d the FFmpeg developers", yading@10: program_birth_year, this_year); yading@10: print_str("build_date", __DATE__); yading@10: print_str("build_time", __TIME__); yading@10: print_str("compiler_ident", CC_IDENT); yading@10: print_str("configuration", FFMPEG_CONFIGURATION); yading@10: writer_print_section_footer(w); yading@10: yading@10: av_bprint_finalize(&pbuf, NULL); yading@10: } yading@10: yading@10: #define SHOW_LIB_VERSION(libname, LIBNAME) \ yading@10: do { \ yading@10: if (CONFIG_##LIBNAME) { \ yading@10: unsigned int version = libname##_version(); \ yading@10: writer_print_section_header(w, SECTION_ID_LIBRARY_VERSION); \ yading@10: print_str("name", "lib" #libname); \ yading@10: print_int("major", LIB##LIBNAME##_VERSION_MAJOR); \ yading@10: print_int("minor", LIB##LIBNAME##_VERSION_MINOR); \ yading@10: print_int("micro", LIB##LIBNAME##_VERSION_MICRO); \ yading@10: print_int("version", version); \ yading@10: print_str("ident", LIB##LIBNAME##_IDENT); \ yading@10: writer_print_section_footer(w); \ yading@10: } \ yading@10: } while (0) yading@10: yading@10: static void ffprobe_show_library_versions(WriterContext *w) yading@10: { yading@10: writer_print_section_header(w, SECTION_ID_LIBRARY_VERSIONS); yading@10: SHOW_LIB_VERSION(avutil, AVUTIL); yading@10: SHOW_LIB_VERSION(avcodec, AVCODEC); yading@10: SHOW_LIB_VERSION(avformat, AVFORMAT); yading@10: SHOW_LIB_VERSION(avdevice, AVDEVICE); yading@10: SHOW_LIB_VERSION(avfilter, AVFILTER); yading@10: SHOW_LIB_VERSION(swscale, SWSCALE); yading@10: SHOW_LIB_VERSION(swresample, SWRESAMPLE); yading@10: SHOW_LIB_VERSION(postproc, POSTPROC); yading@10: writer_print_section_footer(w); yading@10: } yading@10: yading@10: static int opt_format(void *optctx, const char *opt, const char *arg) yading@10: { yading@10: iformat = av_find_input_format(arg); yading@10: if (!iformat) { yading@10: av_log(NULL, AV_LOG_ERROR, "Unknown input format: %s\n", arg); yading@10: return AVERROR(EINVAL); yading@10: } yading@10: return 0; yading@10: } yading@10: yading@10: static inline void mark_section_show_entries(SectionID section_id, yading@10: int show_all_entries, AVDictionary *entries) yading@10: { yading@10: struct section *section = §ions[section_id]; yading@10: yading@10: section->show_all_entries = show_all_entries; yading@10: if (show_all_entries) { yading@10: SectionID *id; yading@10: for (id = section->children_ids; *id != -1; id++) yading@10: mark_section_show_entries(*id, show_all_entries, entries); yading@10: } else { yading@10: av_dict_copy(§ion->entries_to_show, entries, 0); yading@10: } yading@10: } yading@10: yading@10: static int match_section(const char *section_name, yading@10: int show_all_entries, AVDictionary *entries) yading@10: { yading@10: int i, ret = 0; yading@10: yading@10: for (i = 0; i < FF_ARRAY_ELEMS(sections); i++) { yading@10: const struct section *section = §ions[i]; yading@10: if (!strcmp(section_name, section->name) || yading@10: (section->unique_name && !strcmp(section_name, section->unique_name))) { yading@10: av_log(NULL, AV_LOG_DEBUG, yading@10: "'%s' matches section with unique name '%s'\n", section_name, yading@10: (char *)av_x_if_null(section->unique_name, section->name)); yading@10: ret++; yading@10: mark_section_show_entries(section->id, show_all_entries, entries); yading@10: } yading@10: } yading@10: return ret; yading@10: } yading@10: yading@10: static int opt_show_entries(void *optctx, const char *opt, const char *arg) yading@10: { yading@10: const char *p = arg; yading@10: int ret = 0; yading@10: yading@10: while (*p) { yading@10: AVDictionary *entries = NULL; yading@10: char *section_name = av_get_token(&p, "=:"); yading@10: int show_all_entries = 0; yading@10: yading@10: if (!section_name) { yading@10: av_log(NULL, AV_LOG_ERROR, yading@10: "Missing section name for option '%s'\n", opt); yading@10: return AVERROR(EINVAL); yading@10: } yading@10: yading@10: if (*p == '=') { yading@10: p++; yading@10: while (*p && *p != ':') { yading@10: char *entry = av_get_token(&p, ",:"); yading@10: if (!entry) yading@10: break; yading@10: av_log(NULL, AV_LOG_VERBOSE, yading@10: "Adding '%s' to the entries to show in section '%s'\n", yading@10: entry, section_name); yading@10: av_dict_set(&entries, entry, "", AV_DICT_DONT_STRDUP_KEY); yading@10: if (*p == ',') yading@10: p++; yading@10: } yading@10: } else { yading@10: show_all_entries = 1; yading@10: } yading@10: yading@10: ret = match_section(section_name, show_all_entries, entries); yading@10: if (ret == 0) { yading@10: av_log(NULL, AV_LOG_ERROR, "No match for section '%s'\n", section_name); yading@10: ret = AVERROR(EINVAL); yading@10: } yading@10: av_dict_free(&entries); yading@10: av_free(section_name); yading@10: yading@10: if (ret <= 0) yading@10: break; yading@10: if (*p) yading@10: p++; yading@10: } yading@10: yading@10: return ret; yading@10: } yading@10: yading@10: static int opt_show_format_entry(void *optctx, const char *opt, const char *arg) yading@10: { yading@10: char *buf = av_asprintf("format=%s", arg); yading@10: int ret; yading@10: yading@10: av_log(NULL, AV_LOG_WARNING, yading@10: "Option '%s' is deprecated, use '-show_entries format=%s' instead\n", yading@10: opt, arg); yading@10: ret = opt_show_entries(optctx, opt, buf); yading@10: av_free(buf); yading@10: return ret; yading@10: } yading@10: yading@10: static void opt_input_file(void *optctx, const char *arg) yading@10: { yading@10: if (input_filename) { yading@10: av_log(NULL, AV_LOG_ERROR, yading@10: "Argument '%s' provided as input filename, but '%s' was already specified.\n", yading@10: arg, input_filename); yading@10: exit(1); yading@10: } yading@10: if (!strcmp(arg, "-")) yading@10: arg = "pipe:"; yading@10: input_filename = arg; yading@10: } yading@10: yading@10: static int opt_input_file_i(void *optctx, const char *opt, const char *arg) yading@10: { yading@10: opt_input_file(optctx, arg); yading@10: return 0; yading@10: } yading@10: yading@10: void show_help_default(const char *opt, const char *arg) yading@10: { yading@10: av_log_set_callback(log_callback_help); yading@10: show_usage(); yading@10: show_help_options(options, "Main options:", 0, 0, 0); yading@10: printf("\n"); yading@10: yading@10: show_help_children(avformat_get_class(), AV_OPT_FLAG_DECODING_PARAM); yading@10: } yading@10: yading@10: static int opt_pretty(void *optctx, const char *opt, const char *arg) yading@10: { yading@10: show_value_unit = 1; yading@10: use_value_prefix = 1; yading@10: use_byte_value_binary_prefix = 1; yading@10: use_value_sexagesimal_format = 1; yading@10: return 0; yading@10: } yading@10: yading@10: static void print_section(SectionID id, int level) yading@10: { yading@10: const SectionID *pid; yading@10: const struct section *section = §ions[id]; yading@10: printf("%c%c%c", yading@10: section->flags & SECTION_FLAG_IS_WRAPPER ? 'W' : '.', yading@10: section->flags & SECTION_FLAG_IS_ARRAY ? 'A' : '.', yading@10: section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS ? 'V' : '.'); yading@10: printf("%*c %s", level * 4, ' ', section->name); yading@10: if (section->unique_name) yading@10: printf("/%s", section->unique_name); yading@10: printf("\n"); yading@10: yading@10: for (pid = section->children_ids; *pid != -1; pid++) yading@10: print_section(*pid, level+1); yading@10: } yading@10: yading@10: static int opt_sections(void *optctx, const char *opt, const char *arg) yading@10: { yading@10: printf("Sections:\n" yading@10: "W.. = Section is a wrapper (contains other sections, no local entries)\n" yading@10: ".A. = Section contains an array of elements of the same type\n" yading@10: "..V = Section may contain a variable number of fields with variable keys\n" yading@10: "FLAGS NAME/UNIQUE_NAME\n" yading@10: "---\n"); yading@10: print_section(SECTION_ID_ROOT, 0); yading@10: return 0; yading@10: } yading@10: yading@10: static int opt_show_versions(const char *opt, const char *arg) yading@10: { yading@10: mark_section_show_entries(SECTION_ID_PROGRAM_VERSION, 1, NULL); yading@10: mark_section_show_entries(SECTION_ID_LIBRARY_VERSION, 1, NULL); yading@10: return 0; yading@10: } yading@10: yading@10: #define DEFINE_OPT_SHOW_SECTION(section, target_section_id) \ yading@10: static int opt_show_##section(const char *opt, const char *arg) \ yading@10: { \ yading@10: mark_section_show_entries(SECTION_ID_##target_section_id, 1, NULL); \ yading@10: return 0; \ yading@10: } yading@10: yading@10: DEFINE_OPT_SHOW_SECTION(error, ERROR); yading@10: DEFINE_OPT_SHOW_SECTION(format, FORMAT); yading@10: DEFINE_OPT_SHOW_SECTION(frames, FRAMES); yading@10: DEFINE_OPT_SHOW_SECTION(library_versions, LIBRARY_VERSIONS); yading@10: DEFINE_OPT_SHOW_SECTION(packets, PACKETS); yading@10: DEFINE_OPT_SHOW_SECTION(program_version, PROGRAM_VERSION); yading@10: DEFINE_OPT_SHOW_SECTION(streams, STREAMS); yading@10: yading@10: static const OptionDef real_options[] = { yading@10: #include "cmdutils_common_opts.h" yading@10: { "f", HAS_ARG, {.func_arg = opt_format}, "force format", "format" }, yading@10: { "unit", OPT_BOOL, {&show_value_unit}, "show unit of the displayed values" }, yading@10: { "prefix", OPT_BOOL, {&use_value_prefix}, "use SI prefixes for the displayed values" }, yading@10: { "byte_binary_prefix", OPT_BOOL, {&use_byte_value_binary_prefix}, yading@10: "use binary prefixes for byte units" }, yading@10: { "sexagesimal", OPT_BOOL, {&use_value_sexagesimal_format}, yading@10: "use sexagesimal format HOURS:MM:SS.MICROSECONDS for time units" }, yading@10: { "pretty", 0, {.func_arg = opt_pretty}, yading@10: "prettify the format of displayed values, make it more human readable" }, yading@10: { "print_format", OPT_STRING | HAS_ARG, {(void*)&print_format}, yading@10: "set the output printing format (available formats are: default, compact, csv, flat, ini, json, xml)", "format" }, yading@10: { "of", OPT_STRING | HAS_ARG, {(void*)&print_format}, "alias for -print_format", "format" }, yading@10: { "select_streams", OPT_STRING | HAS_ARG, {(void*)&stream_specifier}, "select the specified streams", "stream_specifier" }, yading@10: { "sections", OPT_EXIT, {.func_arg = opt_sections}, "print sections structure and section information, and exit" }, yading@10: { "show_data", OPT_BOOL, {(void*)&do_show_data}, "show packets data" }, yading@10: { "show_error", 0, {(void*)&opt_show_error}, "show probing error" }, yading@10: { "show_format", 0, {(void*)&opt_show_format}, "show format/container info" }, yading@10: { "show_frames", 0, {(void*)&opt_show_frames}, "show frames info" }, yading@10: { "show_format_entry", HAS_ARG, {.func_arg = opt_show_format_entry}, yading@10: "show a particular entry from the format/container info", "entry" }, yading@10: { "show_entries", HAS_ARG, {.func_arg = opt_show_entries}, yading@10: "show a set of specified entries", "entry_list" }, yading@10: { "show_packets", 0, {(void*)&opt_show_packets}, "show packets info" }, yading@10: { "show_streams", 0, {(void*)&opt_show_streams}, "show streams info" }, yading@10: { "count_frames", OPT_BOOL, {(void*)&do_count_frames}, "count the number of frames per stream" }, yading@10: { "count_packets", OPT_BOOL, {(void*)&do_count_packets}, "count the number of packets per stream" }, yading@10: { "show_program_version", 0, {(void*)&opt_show_program_version}, "show ffprobe version" }, yading@10: { "show_library_versions", 0, {(void*)&opt_show_library_versions}, "show library versions" }, yading@10: { "show_versions", 0, {(void*)&opt_show_versions}, "show program and library versions" }, yading@10: { "show_private_data", OPT_BOOL, {(void*)&show_private_data}, "show private data" }, yading@10: { "private", OPT_BOOL, {(void*)&show_private_data}, "same as show_private_data" }, yading@10: { "bitexact", OPT_BOOL, {&do_bitexact}, "force bitexact output" }, yading@10: { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {.func_arg = opt_default}, "generic catch all option", "" }, yading@10: { "i", HAS_ARG, {.func_arg = opt_input_file_i}, "read specified file", "input_file"}, yading@10: { NULL, }, yading@10: }; yading@10: yading@10: static inline int check_section_show_entries(int section_id) yading@10: { yading@10: int *id; yading@10: struct section *section = §ions[section_id]; yading@10: if (sections[section_id].show_all_entries || sections[section_id].entries_to_show) yading@10: return 1; yading@10: for (id = section->children_ids; *id != -1; id++) yading@10: if (check_section_show_entries(*id)) yading@10: return 1; yading@10: return 0; yading@10: } yading@10: yading@10: #define SET_DO_SHOW(id, varname) do { \ yading@10: if (check_section_show_entries(SECTION_ID_##id)) \ yading@10: do_show_##varname = 1; \ yading@10: } while (0) yading@10: yading@10: int main(int argc, char **argv) yading@10: { yading@10: const Writer *w; yading@10: WriterContext *wctx; yading@10: char *buf; yading@10: char *w_name = NULL, *w_args = NULL; yading@10: int ret, i; yading@10: yading@10: av_log_set_flags(AV_LOG_SKIP_REPEATED); yading@10: atexit(exit_program); yading@10: yading@10: options = real_options; yading@10: parse_loglevel(argc, argv, options); yading@10: av_register_all(); yading@10: avformat_network_init(); yading@10: init_opts(); yading@10: #if CONFIG_AVDEVICE yading@10: avdevice_register_all(); yading@10: #endif yading@10: yading@10: show_banner(argc, argv, options); yading@10: parse_options(NULL, argc, argv, options, opt_input_file); yading@10: yading@10: /* mark things to show, based on -show_entries */ yading@10: SET_DO_SHOW(ERROR, error); yading@10: SET_DO_SHOW(FORMAT, format); yading@10: SET_DO_SHOW(FRAMES, frames); yading@10: SET_DO_SHOW(LIBRARY_VERSIONS, library_versions); yading@10: SET_DO_SHOW(PACKETS, packets); yading@10: SET_DO_SHOW(PROGRAM_VERSION, program_version); yading@10: SET_DO_SHOW(STREAMS, streams); yading@10: SET_DO_SHOW(STREAM_DISPOSITION, stream_disposition); yading@10: yading@10: if (do_bitexact && (do_show_program_version || do_show_library_versions)) { yading@10: av_log(NULL, AV_LOG_ERROR, yading@10: "-bitexact and -show_program_version or -show_library_versions " yading@10: "options are incompatible\n"); yading@10: ret = AVERROR(EINVAL); yading@10: goto end; yading@10: } yading@10: yading@10: writer_register_all(); yading@10: yading@10: if (!print_format) yading@10: print_format = av_strdup("default"); yading@10: if (!print_format) { yading@10: ret = AVERROR(ENOMEM); yading@10: goto end; yading@10: } yading@10: w_name = av_strtok(print_format, "=", &buf); yading@10: w_args = buf; yading@10: yading@10: w = writer_get_by_name(w_name); yading@10: if (!w) { yading@10: av_log(NULL, AV_LOG_ERROR, "Unknown output format with name '%s'\n", w_name); yading@10: ret = AVERROR(EINVAL); yading@10: goto end; yading@10: } yading@10: yading@10: if ((ret = writer_open(&wctx, w, w_args, yading@10: sections, FF_ARRAY_ELEMS(sections))) >= 0) { yading@10: writer_print_section_header(wctx, SECTION_ID_ROOT); yading@10: yading@10: if (do_show_program_version) yading@10: ffprobe_show_program_version(wctx); yading@10: if (do_show_library_versions) yading@10: ffprobe_show_library_versions(wctx); yading@10: yading@10: if (!input_filename && yading@10: ((do_show_format || do_show_streams || do_show_packets || do_show_error) || yading@10: (!do_show_program_version && !do_show_library_versions))) { yading@10: show_usage(); yading@10: av_log(NULL, AV_LOG_ERROR, "You have to specify one input file.\n"); yading@10: av_log(NULL, AV_LOG_ERROR, "Use -h to get full help or, even better, run 'man %s'.\n", program_name); yading@10: ret = AVERROR(EINVAL); yading@10: } else if (input_filename) { yading@10: ret = probe_file(wctx, input_filename); yading@10: if (ret < 0 && do_show_error) yading@10: show_error(wctx, ret); yading@10: } yading@10: yading@10: writer_print_section_footer(wctx); yading@10: writer_close(&wctx); yading@10: } yading@10: yading@10: end: yading@10: av_freep(&print_format); yading@10: yading@10: uninit_opts(); yading@10: for (i = 0; i < FF_ARRAY_ELEMS(sections); i++) yading@10: av_dict_free(&(sections[i].entries_to_show)); yading@10: yading@10: avformat_network_deinit(); yading@10: yading@10: return ret; yading@10: }