2010-02-21 13:43:01 +02:00
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/*
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* FFprobe : Simple Media Prober based on the FFmpeg libraries
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* Copyright (c) 2007-2010 Stefano Sabatini
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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2010-03-06 15:06:45 +02:00
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#include "config.h"
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2010-02-21 13:43:01 +02:00
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#include "libavformat/avformat.h"
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#include "libavcodec/avcodec.h"
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#include "libavcodec/opt.h"
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#include "libavutil/pixdesc.h"
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2010-03-06 15:06:45 +02:00
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#include "libavdevice/avdevice.h"
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2010-02-21 13:43:01 +02:00
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#include "cmdutils.h"
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const char program_name[] = "FFprobe";
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const int program_birth_year = 2007;
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static int do_show_format = 0;
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2010-07-29 02:17:59 +03:00
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static int do_show_packets = 0;
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2010-02-21 13:43:01 +02:00
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static int do_show_streams = 0;
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2010-03-28 13:04:10 +03:00
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static int convert_tags = 0;
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2010-02-21 13:43:01 +02:00
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static int show_value_unit = 0;
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static int use_value_prefix = 0;
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static int use_byte_value_binary_prefix = 0;
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static int use_value_sexagesimal_format = 0;
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/* globals */
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static const OptionDef options[];
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/* FFprobe context */
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static const char *input_filename;
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2010-02-21 20:33:24 +02:00
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static AVInputFormat *iformat = NULL;
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2010-02-21 13:43:01 +02:00
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static const char *binary_unit_prefixes [] = { "", "Ki", "Mi", "Gi", "Ti", "Pi" };
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static const char *decimal_unit_prefixes[] = { "", "K" , "M" , "G" , "T" , "P" };
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static const char *unit_second_str = "s" ;
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static const char *unit_hertz_str = "Hz" ;
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static const char *unit_byte_str = "byte" ;
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static const char *unit_bit_per_second_str = "bit/s";
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static char *value_string(char *buf, int buf_size, double val, const char *unit)
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{
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if (unit == unit_second_str && use_value_sexagesimal_format) {
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double secs;
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int hours, mins;
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secs = val;
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mins = (int)secs / 60;
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secs = secs - mins * 60;
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hours = mins / 60;
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mins %= 60;
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snprintf(buf, buf_size, "%d:%02d:%09.6f", hours, mins, secs);
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} else if (use_value_prefix) {
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const char *prefix_string;
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int index;
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if (unit == unit_byte_str && use_byte_value_binary_prefix) {
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2010-02-21 18:24:05 +02:00
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index = (int) (log(val)/log(2)) / 10;
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2010-02-21 13:43:01 +02:00
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index = av_clip(index, 0, FF_ARRAY_ELEMS(binary_unit_prefixes) -1);
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val /= pow(2, index*10);
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prefix_string = binary_unit_prefixes[index];
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} else {
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index = (int) (log10(val)) / 3;
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index = av_clip(index, 0, FF_ARRAY_ELEMS(decimal_unit_prefixes) -1);
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val /= pow(10, index*3);
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prefix_string = decimal_unit_prefixes[index];
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}
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snprintf(buf, buf_size, "%.3f %s%s", val, prefix_string, show_value_unit ? unit : "");
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} else {
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snprintf(buf, buf_size, "%f %s", val, show_value_unit ? unit : "");
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}
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return buf;
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}
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static char *time_value_string(char *buf, int buf_size, int64_t val, const AVRational *time_base)
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{
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if (val == AV_NOPTS_VALUE) {
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snprintf(buf, buf_size, "N/A");
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} else {
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value_string(buf, buf_size, val * av_q2d(*time_base), unit_second_str);
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}
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return buf;
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}
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2010-07-29 02:17:59 +03:00
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static char *ts_value_string (char *buf, int buf_size, int64_t ts)
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{
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if (ts == AV_NOPTS_VALUE) {
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snprintf(buf, buf_size, "N/A");
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} else {
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snprintf(buf, buf_size, "%"PRId64, ts);
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}
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return buf;
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}
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2010-03-31 02:30:55 +03:00
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static const char *media_type_string(enum AVMediaType media_type)
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2010-02-21 13:43:01 +02:00
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{
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2010-03-31 02:30:55 +03:00
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switch (media_type) {
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case AVMEDIA_TYPE_VIDEO: return "video";
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case AVMEDIA_TYPE_AUDIO: return "audio";
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case AVMEDIA_TYPE_DATA: return "data";
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case AVMEDIA_TYPE_SUBTITLE: return "subtitle";
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case AVMEDIA_TYPE_ATTACHMENT: return "attachment";
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2010-02-21 13:43:01 +02:00
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default: return "unknown";
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}
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}
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2010-07-29 02:17:59 +03:00
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static void show_packet(AVFormatContext *fmt_ctx, AVPacket *pkt)
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{
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char val_str[128];
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AVStream *st = fmt_ctx->streams[pkt->stream_index];
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printf("[PACKET]\n");
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printf("codec_type=%s\n" , media_type_string(st->codec->codec_type));
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printf("stream_index=%d\n" , pkt->stream_index);
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printf("pts=%s\n" , ts_value_string (val_str, sizeof(val_str), pkt->pts));
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printf("pts_time=%s\n" , time_value_string(val_str, sizeof(val_str), pkt->pts, &st->time_base));
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printf("dts=%s\n" , ts_value_string (val_str, sizeof(val_str), pkt->dts));
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printf("dts_time=%s\n" , time_value_string(val_str, sizeof(val_str), pkt->dts, &st->time_base));
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printf("duration=%s\n" , ts_value_string (val_str, sizeof(val_str), pkt->duration));
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printf("duration_time=%s\n", time_value_string(val_str, sizeof(val_str), pkt->duration, &st->time_base));
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printf("size=%s\n" , value_string (val_str, sizeof(val_str), pkt->size, unit_byte_str));
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printf("pos=%"PRId64"\n" , pkt->pos);
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printf("flags=%c\n" , pkt->flags & AV_PKT_FLAG_KEY ? 'K' : '_');
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printf("[/PACKET]\n");
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}
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static void show_packets(AVFormatContext *fmt_ctx)
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{
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AVPacket pkt;
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av_init_packet(&pkt);
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while (!av_read_frame(fmt_ctx, &pkt))
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show_packet(fmt_ctx, &pkt);
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}
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2010-02-21 13:43:01 +02:00
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static void show_stream(AVFormatContext *fmt_ctx, int stream_idx)
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{
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AVStream *stream = fmt_ctx->streams[stream_idx];
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AVCodecContext *dec_ctx;
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AVCodec *dec;
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char val_str[128];
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2010-03-27 14:35:40 +02:00
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AVMetadataTag *tag = NULL;
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2010-04-14 02:41:46 +03:00
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AVRational display_aspect_ratio;
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2010-02-21 13:43:01 +02:00
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printf("[STREAM]\n");
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printf("index=%d\n", stream->index);
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if ((dec_ctx = stream->codec)) {
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if ((dec = dec_ctx->codec)) {
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printf("codec_name=%s\n", dec->name);
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printf("codec_long_name=%s\n", dec->long_name);
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} else {
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printf("codec_name=unknown\n");
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}
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2010-03-31 02:30:55 +03:00
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printf("codec_type=%s\n", media_type_string(dec_ctx->codec_type));
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2010-02-21 13:43:01 +02:00
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printf("codec_time_base=%d/%d\n", dec_ctx->time_base.num, dec_ctx->time_base.den);
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/* print AVI/FourCC tag */
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2010-06-02 13:54:45 +03:00
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av_get_codec_tag_string(val_str, sizeof(val_str), dec_ctx->codec_tag);
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printf("codec_tag_string=%s\n", val_str);
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printf("codec_tag=0x%04x\n", dec_ctx->codec_tag);
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2010-02-21 13:43:01 +02:00
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switch (dec_ctx->codec_type) {
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2010-03-31 02:30:55 +03:00
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case AVMEDIA_TYPE_VIDEO:
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2010-02-21 13:43:01 +02:00
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printf("width=%d\n", dec_ctx->width);
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printf("height=%d\n", dec_ctx->height);
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printf("has_b_frames=%d\n", dec_ctx->has_b_frames);
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2010-04-28 02:22:27 +03:00
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if (dec_ctx->sample_aspect_ratio.num) {
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2010-04-28 02:22:30 +03:00
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printf("sample_aspect_ratio=%d:%d\n", dec_ctx->sample_aspect_ratio.num,
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dec_ctx->sample_aspect_ratio.den);
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av_reduce(&display_aspect_ratio.num, &display_aspect_ratio.den,
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dec_ctx->width * dec_ctx->sample_aspect_ratio.num,
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dec_ctx->height * dec_ctx->sample_aspect_ratio.den,
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1024*1024);
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printf("display_aspect_ratio=%d:%d\n", display_aspect_ratio.num,
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display_aspect_ratio.den);
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2010-04-28 02:22:27 +03:00
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}
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2010-02-21 13:43:01 +02:00
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printf("pix_fmt=%s\n", dec_ctx->pix_fmt != PIX_FMT_NONE ?
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av_pix_fmt_descriptors[dec_ctx->pix_fmt].name : "unknown");
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break;
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2010-03-31 02:30:55 +03:00
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case AVMEDIA_TYPE_AUDIO:
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2010-02-21 13:43:01 +02:00
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printf("sample_rate=%s\n", value_string(val_str, sizeof(val_str),
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dec_ctx->sample_rate,
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unit_hertz_str));
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printf("channels=%d\n", dec_ctx->channels);
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printf("bits_per_sample=%d\n", av_get_bits_per_sample(dec_ctx->codec_id));
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break;
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}
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} else {
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printf("codec_type=unknown\n");
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}
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if (fmt_ctx->iformat->flags & AVFMT_SHOW_IDS)
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printf("id=0x%x\n", stream->id);
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printf("r_frame_rate=%d/%d\n", stream->r_frame_rate.num, stream->r_frame_rate.den);
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printf("avg_frame_rate=%d/%d\n", stream->avg_frame_rate.num, stream->avg_frame_rate.den);
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printf("time_base=%d/%d\n", stream->time_base.num, stream->time_base.den);
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if (stream->language[0])
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printf("language=%s\n", stream->language);
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printf("start_time=%s\n", time_value_string(val_str, sizeof(val_str), stream->start_time,
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&stream->time_base));
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printf("duration=%s\n", time_value_string(val_str, sizeof(val_str), stream->duration,
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&stream->time_base));
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2010-04-26 02:35:56 +03:00
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if (stream->nb_frames)
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printf("nb_frames=%"PRId64"\n", stream->nb_frames);
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2010-02-21 13:43:01 +02:00
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while ((tag = av_metadata_get(stream->metadata, "", tag, AV_METADATA_IGNORE_SUFFIX)))
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2010-02-25 02:16:43 +02:00
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printf("TAG:%s=%s\n", tag->key, tag->value);
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2010-02-21 13:43:01 +02:00
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printf("[/STREAM]\n");
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}
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static void show_format(AVFormatContext *fmt_ctx)
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{
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AVMetadataTag *tag = NULL;
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char val_str[128];
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printf("[FORMAT]\n");
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printf("filename=%s\n", fmt_ctx->filename);
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printf("nb_streams=%d\n", fmt_ctx->nb_streams);
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printf("format_name=%s\n", fmt_ctx->iformat->name);
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printf("format_long_name=%s\n", fmt_ctx->iformat->long_name);
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printf("start_time=%s\n", time_value_string(val_str, sizeof(val_str), fmt_ctx->start_time,
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&AV_TIME_BASE_Q));
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printf("duration=%s\n", time_value_string(val_str, sizeof(val_str), fmt_ctx->duration,
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&AV_TIME_BASE_Q));
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printf("size=%s\n", value_string(val_str, sizeof(val_str), fmt_ctx->file_size,
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unit_byte_str));
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printf("bit_rate=%s\n", value_string(val_str, sizeof(val_str), fmt_ctx->bit_rate,
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unit_bit_per_second_str));
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2010-03-28 13:04:10 +03:00
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if (convert_tags)
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av_metadata_conv(fmt_ctx, NULL, fmt_ctx->iformat->metadata_conv);
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2010-02-21 13:43:01 +02:00
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while ((tag = av_metadata_get(fmt_ctx->metadata, "", tag, AV_METADATA_IGNORE_SUFFIX)))
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printf("TAG:%s=%s\n", tag->key, tag->value);
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printf("[/FORMAT]\n");
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}
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static int open_input_file(AVFormatContext **fmt_ctx_ptr, const char *filename)
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{
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int err, i;
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AVFormatContext *fmt_ctx;
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fmt_ctx = avformat_alloc_context();
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2010-09-30 02:06:51 +03:00
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set_context_opts(fmt_ctx, avformat_opts, AV_OPT_FLAG_DECODING_PARAM, NULL);
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2010-02-21 13:43:01 +02:00
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2010-02-21 20:33:24 +02:00
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if ((err = av_open_input_file(&fmt_ctx, filename, iformat, 0, NULL)) < 0) {
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2010-02-21 13:43:01 +02:00
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print_error(filename, err);
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return err;
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}
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/* fill the streams in the format context */
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if ((err = av_find_stream_info(fmt_ctx)) < 0) {
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print_error(filename, err);
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return err;
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}
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dump_format(fmt_ctx, 0, filename, 0);
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/* bind a decoder to each input stream */
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for (i = 0; i < fmt_ctx->nb_streams; i++) {
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AVStream *stream = fmt_ctx->streams[i];
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AVCodec *codec;
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if (!(codec = avcodec_find_decoder(stream->codec->codec_id))) {
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fprintf(stderr, "Unsupported codec (id=%d) for input stream %d\n",
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stream->codec->codec_id, stream->index);
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} else if (avcodec_open(stream->codec, codec) < 0) {
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fprintf(stderr, "Error while opening codec for input stream %d\n",
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stream->index);
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}
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}
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*fmt_ctx_ptr = fmt_ctx;
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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;
|
|
|
|
|
2010-07-29 02:17:59 +03:00
|
|
|
if (do_show_packets)
|
|
|
|
show_packets(fmt_ctx);
|
|
|
|
|
2010-02-21 13:43:01 +02:00
|
|
|
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);
|
|
|
|
|
|
|
|
av_close_input_file(fmt_ctx);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void show_usage(void)
|
|
|
|
{
|
|
|
|
printf("Simple multimedia streams analyzer\n");
|
|
|
|
printf("usage: ffprobe [OPTIONS] [INPUT_FILE]\n");
|
|
|
|
printf("\n");
|
|
|
|
}
|
|
|
|
|
2010-02-21 20:33:24 +02:00
|
|
|
static void opt_format(const char *arg)
|
|
|
|
{
|
|
|
|
iformat = av_find_input_format(arg);
|
|
|
|
if (!iformat) {
|
|
|
|
fprintf(stderr, "Unknown input format: %s\n", arg);
|
|
|
|
exit(1);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2010-02-25 02:05:01 +02:00
|
|
|
static void opt_input_file(const char *arg)
|
2010-02-21 13:43:01 +02:00
|
|
|
{
|
2010-02-24 08:14:59 +02:00
|
|
|
if (input_filename) {
|
2010-03-02 01:02:56 +02:00
|
|
|
fprintf(stderr, "Argument '%s' provided as input filename, but '%s' was already specified.\n",
|
|
|
|
arg, input_filename);
|
2010-02-24 08:14:59 +02:00
|
|
|
exit(1);
|
|
|
|
}
|
2010-02-25 02:05:01 +02:00
|
|
|
if (!strcmp(arg, "-"))
|
|
|
|
arg = "pipe:";
|
|
|
|
input_filename = arg;
|
2010-02-21 13:43:01 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
static void show_help(void)
|
|
|
|
{
|
2010-09-25 04:32:02 +03:00
|
|
|
av_log_set_callback(log_callback_help);
|
2010-02-21 13:43:01 +02:00
|
|
|
show_usage();
|
|
|
|
show_help_options(options, "Main options:\n", 0, 0);
|
|
|
|
printf("\n");
|
2010-09-25 04:32:02 +03:00
|
|
|
av_opt_show2(avformat_opts, NULL,
|
|
|
|
AV_OPT_FLAG_DECODING_PARAM, 0);
|
2010-02-21 13:43:01 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
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"
|
2010-03-28 13:04:10 +03:00
|
|
|
{ "convert_tags", OPT_BOOL, {(void*)&convert_tags}, "convert tag names to the FFmpeg generic tag names" },
|
2010-02-21 20:33:24 +02:00
|
|
|
{ "f", HAS_ARG, {(void*)opt_format}, "force format", "format" },
|
2010-03-05 01:35:30 +02:00
|
|
|
{ "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" },
|
2010-02-21 13:43:01 +02:00
|
|
|
{ "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" },
|
2010-07-29 02:17:59 +03:00
|
|
|
{ "show_packets", OPT_BOOL, {(void*)&do_show_packets}, "show packets info" },
|
2010-03-05 01:35:30 +02:00
|
|
|
{ "show_streams", OPT_BOOL, {(void*)&do_show_streams}, "show streams info" },
|
2010-09-25 04:32:02 +03:00
|
|
|
{ "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
|
2010-02-21 13:43:01 +02:00
|
|
|
{ NULL, },
|
|
|
|
};
|
|
|
|
|
|
|
|
int main(int argc, char **argv)
|
|
|
|
{
|
2010-09-25 04:32:02 +03:00
|
|
|
int ret;
|
|
|
|
|
2010-02-21 13:43:01 +02:00
|
|
|
av_register_all();
|
2010-03-06 15:06:45 +02:00
|
|
|
#if CONFIG_AVDEVICE
|
|
|
|
avdevice_register_all();
|
|
|
|
#endif
|
2010-02-21 13:43:01 +02:00
|
|
|
|
2010-09-25 04:32:02 +03:00
|
|
|
avformat_opts = avformat_alloc_context();
|
|
|
|
|
2010-02-21 13:43:01 +02:00
|
|
|
show_banner();
|
|
|
|
parse_options(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 ffprobe'.\n");
|
|
|
|
exit(1);
|
|
|
|
}
|
|
|
|
|
2010-09-25 04:32:02 +03:00
|
|
|
ret = probe_file(input_filename);
|
|
|
|
|
|
|
|
av_free(avformat_opts);
|
|
|
|
|
|
|
|
return ret;
|
2010-02-21 13:43:01 +02:00
|
|
|
}
|