diff options
Diffstat (limited to 'avprobe.c')
| -rw-r--r-- | avprobe.c | 455 |
1 files changed, 0 insertions, 455 deletions
diff --git a/avprobe.c b/avprobe.c deleted file mode 100644 index fe2b6e2860..0000000000 --- a/avprobe.c +++ /dev/null @@ -1,455 +0,0 @@ -/* - * avprobe : Simple Media Prober based on the Libav libraries - * Copyright (c) 2007-2010 Stefano Sabatini - * - * This file is part of Libav. - * - * Libav is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * Libav is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with Libav; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include "config.h" - -#include "libavformat/avformat.h" -#include "libavcodec/avcodec.h" -#include "libavutil/opt.h" -#include "libavutil/pixdesc.h" -#include "libavutil/dict.h" -#include "libavdevice/avdevice.h" -#include "cmdutils.h" - -const char program_name[] = "avprobe"; -const int program_birth_year = 2007; - -static int do_show_format = 0; -static int do_show_packets = 0; -static int do_show_streams = 0; - -static int show_value_unit = 0; -static int use_value_prefix = 0; -static int use_byte_value_binary_prefix = 0; -static int use_value_sexagesimal_format = 0; - -/* globals */ -static const OptionDef options[]; - -/* AVprobe context */ -static const char *input_filename; -static AVInputFormat *iformat = NULL; - -static const char *const binary_unit_prefixes [] = { "", "Ki", "Mi", "Gi", "Ti", "Pi" }; -static const char *const decimal_unit_prefixes[] = { "", "K" , "M" , "G" , "T" , "P" }; - -static const char unit_second_str[] = "s" ; -static const char unit_hertz_str[] = "Hz" ; -static const char unit_byte_str[] = "byte" ; -static const char unit_bit_per_second_str[] = "bit/s"; - -void exit_program(int ret) -{ - exit(ret); -} - -static char *value_string(char *buf, int buf_size, double val, const char *unit) -{ - if (unit == unit_second_str && use_value_sexagesimal_format) { - double secs; - int hours, mins; - secs = val; - mins = (int)secs / 60; - secs = secs - mins * 60; - hours = mins / 60; - mins %= 60; - snprintf(buf, buf_size, "%d:%02d:%09.6f", hours, mins, secs); - } else if (use_value_prefix) { - const char *prefix_string; - int index; - - if (unit == unit_byte_str && use_byte_value_binary_prefix) { - index = (int) (log(val)/log(2)) / 10; - index = av_clip(index, 0, FF_ARRAY_ELEMS(binary_unit_prefixes) - 1); - val /= pow(2, index * 10); - prefix_string = binary_unit_prefixes[index]; - } else { - index = (int) (log10(val)) / 3; - index = av_clip(index, 0, FF_ARRAY_ELEMS(decimal_unit_prefixes) - 1); - val /= pow(10, index * 3); - prefix_string = decimal_unit_prefixes[index]; - } - - snprintf(buf, buf_size, "%.3f %s%s", val, prefix_string, - show_value_unit ? unit : ""); - } else { - snprintf(buf, buf_size, "%f %s", val, show_value_unit ? unit : ""); - } - - return buf; -} - -static char *time_value_string(char *buf, int buf_size, int64_t val, - const AVRational *time_base) -{ - if (val == AV_NOPTS_VALUE) { - snprintf(buf, buf_size, "N/A"); - } else { - value_string(buf, buf_size, val * av_q2d(*time_base), unit_second_str); - } - - return buf; -} - -static char *ts_value_string (char *buf, int buf_size, int64_t ts) -{ - if (ts == AV_NOPTS_VALUE) { - snprintf(buf, buf_size, "N/A"); - } else { - snprintf(buf, buf_size, "%"PRId64, ts); - } - - return buf; -} - -static const char *media_type_string(enum AVMediaType media_type) -{ - switch (media_type) { - case AVMEDIA_TYPE_VIDEO: return "video"; - case AVMEDIA_TYPE_AUDIO: return "audio"; - case AVMEDIA_TYPE_DATA: return "data"; - case AVMEDIA_TYPE_SUBTITLE: return "subtitle"; - case AVMEDIA_TYPE_ATTACHMENT: return "attachment"; - default: return "unknown"; - } -} - -static void show_packet(AVFormatContext *fmt_ctx, AVPacket *pkt) -{ - char val_str[128]; - AVStream *st = fmt_ctx->streams[pkt->stream_index]; - - printf("[PACKET]\n"); - printf("codec_type=%s\n", media_type_string(st->codec->codec_type)); - printf("stream_index=%d\n", pkt->stream_index); - printf("pts=%s\n", ts_value_string(val_str, sizeof(val_str), pkt->pts)); - printf("pts_time=%s\n", time_value_string(val_str, sizeof(val_str), - pkt->pts, &st->time_base)); - printf("dts=%s\n", ts_value_string(val_str, sizeof(val_str), pkt->dts)); - printf("dts_time=%s\n", time_value_string(val_str, sizeof(val_str), - pkt->dts, &st->time_base)); - printf("duration=%s\n", ts_value_string(val_str, sizeof(val_str), - pkt->duration)); - printf("duration_time=%s\n", time_value_string(val_str, sizeof(val_str), - pkt->duration, - &st->time_base)); - printf("size=%s\n", value_string(val_str, sizeof(val_str), - pkt->size, unit_byte_str)); - printf("pos=%"PRId64"\n", pkt->pos); - printf("flags=%c\n", pkt->flags & AV_PKT_FLAG_KEY ? 'K' : '_'); - printf("[/PACKET]\n"); -} - -static void show_packets(AVFormatContext *fmt_ctx) -{ - AVPacket pkt; - - av_init_packet(&pkt); - - while (!av_read_frame(fmt_ctx, &pkt)) - show_packet(fmt_ctx, &pkt); -} - -static void show_stream(AVFormatContext *fmt_ctx, int stream_idx) -{ - AVStream *stream = fmt_ctx->streams[stream_idx]; - AVCodecContext *dec_ctx; - AVCodec *dec; - char val_str[128]; - AVDictionaryEntry *tag = NULL; - AVRational display_aspect_ratio; - - printf("[STREAM]\n"); - - printf("index=%d\n", stream->index); - - if ((dec_ctx = stream->codec)) { - if ((dec = dec_ctx->codec)) { - printf("codec_name=%s\n", dec->name); - printf("codec_long_name=%s\n", dec->long_name); - } else { - printf("codec_name=unknown\n"); - } - - printf("codec_type=%s\n", media_type_string(dec_ctx->codec_type)); - printf("codec_time_base=%d/%d\n", - dec_ctx->time_base.num, dec_ctx->time_base.den); - - /* print AVI/FourCC tag */ - av_get_codec_tag_string(val_str, sizeof(val_str), dec_ctx->codec_tag); - printf("codec_tag_string=%s\n", val_str); - printf("codec_tag=0x%04x\n", dec_ctx->codec_tag); - - switch (dec_ctx->codec_type) { - case AVMEDIA_TYPE_VIDEO: - printf("width=%d\n", dec_ctx->width); - printf("height=%d\n", dec_ctx->height); - printf("has_b_frames=%d\n", dec_ctx->has_b_frames); - if (dec_ctx->sample_aspect_ratio.num) { - printf("sample_aspect_ratio=%d:%d\n", - dec_ctx->sample_aspect_ratio.num, - dec_ctx->sample_aspect_ratio.den); - av_reduce(&display_aspect_ratio.num, &display_aspect_ratio.den, - dec_ctx->width * dec_ctx->sample_aspect_ratio.num, - dec_ctx->height * dec_ctx->sample_aspect_ratio.den, - 1024*1024); - printf("display_aspect_ratio=%d:%d\n", - display_aspect_ratio.num, display_aspect_ratio.den); - } - printf("pix_fmt=%s\n", - dec_ctx->pix_fmt != PIX_FMT_NONE ? av_pix_fmt_descriptors[dec_ctx->pix_fmt].name - : "unknown"); - printf("level=%d\n", dec_ctx->level); - break; - - case AVMEDIA_TYPE_AUDIO: - printf("sample_rate=%s\n", value_string(val_str, sizeof(val_str), - dec_ctx->sample_rate, - unit_hertz_str)); - printf("channels=%d\n", dec_ctx->channels); - printf("bits_per_sample=%d\n", - av_get_bits_per_sample(dec_ctx->codec_id)); - break; - } - } else { - printf("codec_type=unknown\n"); - } - - if (fmt_ctx->iformat->flags & AVFMT_SHOW_IDS) - printf("id=0x%x\n", stream->id); - printf("r_frame_rate=%d/%d\n", - stream->r_frame_rate.num, stream->r_frame_rate.den); - printf("avg_frame_rate=%d/%d\n", - stream->avg_frame_rate.num, stream->avg_frame_rate.den); - printf("time_base=%d/%d\n", - stream->time_base.num, stream->time_base.den); - printf("start_time=%s\n", - time_value_string(val_str, sizeof(val_str), - stream->start_time, &stream->time_base)); - printf("duration=%s\n", - time_value_string(val_str, sizeof(val_str), - stream->duration, &stream->time_base)); - if (stream->nb_frames) - printf("nb_frames=%"PRId64"\n", stream->nb_frames); - - while ((tag = av_dict_get(stream->metadata, "", tag, - AV_DICT_IGNORE_SUFFIX))) - printf("TAG:%s=%s\n", tag->key, tag->value); - - printf("[/STREAM]\n"); -} - -static void show_format(AVFormatContext *fmt_ctx) -{ - AVDictionaryEntry *tag = NULL; - char val_str[128]; - int64_t size = fmt_ctx->pb ? avio_size(fmt_ctx->pb) : -1; - - printf("[FORMAT]\n"); - - printf("filename=%s\n", fmt_ctx->filename); - printf("nb_streams=%d\n", fmt_ctx->nb_streams); - printf("format_name=%s\n", fmt_ctx->iformat->name); - printf("format_long_name=%s\n", fmt_ctx->iformat->long_name); - printf("start_time=%s\n", - time_value_string(val_str, sizeof(val_str), - fmt_ctx->start_time, &AV_TIME_BASE_Q)); - printf("duration=%s\n", - time_value_string(val_str, sizeof(val_str), - fmt_ctx->duration, &AV_TIME_BASE_Q)); - printf("size=%s\n", size >= 0 ? value_string(val_str, sizeof(val_str), - size, unit_byte_str) - : "unknown"); - printf("bit_rate=%s\n", - value_string(val_str, sizeof(val_str), - fmt_ctx->bit_rate, unit_bit_per_second_str)); - - while ((tag = av_dict_get(fmt_ctx->metadata, "", tag, - AV_DICT_IGNORE_SUFFIX))) - printf("TAG:%s=%s\n", tag->key, tag->value); - - printf("[/FORMAT]\n"); -} - -static int open_input_file(AVFormatContext **fmt_ctx_ptr, const char *filename) -{ - int err, i; - AVFormatContext *fmt_ctx = NULL; - AVDictionaryEntry *t; - - if ((err = avformat_open_input(&fmt_ctx, filename, - iformat, &format_opts)) < 0) { - print_error(filename, err); - return err; - } - if ((t = av_dict_get(format_opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) { - av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key); - return AVERROR_OPTION_NOT_FOUND; - } - - - /* fill the streams in the format context */ - if ((err = avformat_find_stream_info(fmt_ctx, NULL)) < 0) { - print_error(filename, err); - return err; - } - - av_dump_format(fmt_ctx, 0, filename, 0); - - /* bind a decoder to each input stream */ - for (i = 0; i < fmt_ctx->nb_streams; i++) { - AVStream *stream = fmt_ctx->streams[i]; - AVCodec *codec; - - if (!(codec = avcodec_find_decoder(stream->codec->codec_id))) { - fprintf(stderr, - "Unsupported codec with id %d for input stream %d\n", - stream->codec->codec_id, stream->index); - } else if (avcodec_open2(stream->codec, codec, NULL) < 0) { - fprintf(stderr, "Error while opening codec for input stream %d\n", - stream->index); - } - } - - *fmt_ctx_ptr = fmt_ctx; - return 0; -} - -static int probe_file(const char *filename) -{ - AVFormatContext *fmt_ctx; - int ret, i; - - if ((ret = open_input_file(&fmt_ctx, filename))) - return ret; - - if (do_show_packets) - show_packets(fmt_ctx); - - if (do_show_streams) - for (i = 0; i < fmt_ctx->nb_streams; i++) - show_stream(fmt_ctx, i); - - if (do_show_format) - show_format(fmt_ctx); - - avformat_close_input(&fmt_ctx); - return 0; -} - -static void show_usage(void) -{ - printf("Simple multimedia streams analyzer\n"); - printf("usage: %s [OPTIONS] [INPUT_FILE]\n", program_name); - printf("\n"); -} - -static int opt_format(const char *opt, const char *arg) -{ - iformat = av_find_input_format(arg); - if (!iformat) { - fprintf(stderr, "Unknown input format: %s\n", arg); - return AVERROR(EINVAL); - } - return 0; -} - -static void opt_input_file(void *optctx, const char *arg) -{ - if (input_filename) { - fprintf(stderr, - "Argument '%s' provided as input filename, but '%s' was already specified.\n", - arg, input_filename); - exit(1); - } - if (!strcmp(arg, "-")) - arg = "pipe:"; - input_filename = arg; -} - -static void show_help(void) -{ - av_log_set_callback(log_callback_help); - show_usage(); - show_help_options(options, "Main options:\n", 0, 0); - printf("\n"); - show_help_children(avformat_get_class(), AV_OPT_FLAG_DECODING_PARAM); -} - -static void opt_pretty(void) -{ - show_value_unit = 1; - use_value_prefix = 1; - use_byte_value_binary_prefix = 1; - use_value_sexagesimal_format = 1; -} - -static const OptionDef options[] = { -#include "cmdutils_common_opts.h" - { "f", HAS_ARG, {(void*)opt_format}, "force format", "format" }, - { "unit", OPT_BOOL, {(void*)&show_value_unit}, - "show unit of the displayed values" }, - { "prefix", OPT_BOOL, {(void*)&use_value_prefix}, - "use SI prefixes for the displayed values" }, - { "byte_binary_prefix", OPT_BOOL, {(void*)&use_byte_value_binary_prefix}, - "use binary prefixes for byte units" }, - { "sexagesimal", OPT_BOOL, {(void*)&use_value_sexagesimal_format}, - "use sexagesimal format HOURS:MM:SS.MICROSECONDS for time units" }, - { "pretty", 0, {(void*)&opt_pretty}, - "prettify the format of displayed values, make it more human readable" }, - { "show_format", OPT_BOOL, {(void*)&do_show_format} , "show format/container info" }, - { "show_packets", OPT_BOOL, {(void*)&do_show_packets}, "show packets info" }, - { "show_streams", OPT_BOOL, {(void*)&do_show_streams}, "show streams info" }, - { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, - "generic catch all option", "" }, - { NULL, }, -}; - -int main(int argc, char **argv) -{ - int ret; - - parse_loglevel(argc, argv, options); - av_register_all(); - avformat_network_init(); - init_opts(); -#if CONFIG_AVDEVICE - avdevice_register_all(); -#endif - - show_banner(); - parse_options(NULL, argc, argv, options, opt_input_file); - - if (!input_filename) { - show_usage(); - fprintf(stderr, "You have to specify one input file.\n"); - fprintf(stderr, - "Use -h to get full help or, even better, run 'man %s'.\n", - program_name); - exit(1); - } - - ret = probe_file(input_filename); - - avformat_network_deinit(); - - return ret; -} |