Ejemplo n.º 1
0
/*
static void dump_stream_format(AVFormatContext *ic, int i, int index, int is_output)
{
	char buf[256];
	int flags = (is_output ? ic->oformat->flags : ic->iformat->flags);
	AVStream *st = ic->streams[i];
	int g = av_gcd(st->time_base.num, st->time_base.den);
	AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL, 0);
	avcodec_string(buf, sizeof(buf), st->codec, is_output);
	av_log(NULL, AV_LOG_INFO, "    Stream #%d.%d", index, i);
	// the pid is an important information, so we display it
	// XXX: add a generic system
	if (flags & AVFMT_SHOW_IDS)
		av_log(NULL, AV_LOG_INFO, "[0x%x]", st->id);
	if (lang)
		av_log(NULL, AV_LOG_INFO, "(%s)", lang->value);
	av_log(NULL, AV_LOG_DEBUG, ", %d, %d/%d", st->codec_info_nb_frames, st->time_base.num/g, st->time_base.den/g);
	av_log(NULL, AV_LOG_INFO, ": %s", buf);
	if (st->sample_aspect_ratio.num && // default
		av_cmp_q(st->sample_aspect_ratio, st->codec->sample_aspect_ratio)) {
		AVRational display_aspect_ratio;
		av_reduce(&display_aspect_ratio.num, &display_aspect_ratio.den,
				  st->codec->width*st->sample_aspect_ratio.num,
				  st->codec->height*st->sample_aspect_ratio.den,
				  1024*1024);
		av_log(NULL, AV_LOG_INFO, ", PAR %d:%d DAR %d:%d",
				 st->sample_aspect_ratio.num, st->sample_aspect_ratio.den,
				 display_aspect_ratio.num, display_aspect_ratio.den);
	}
	if(st->codec->codec_type == AVMEDIA_TYPE_VIDEO){
		if(st->avg_frame_rate.den && st->avg_frame_rate.num)
			print_fps(av_q2d(st->avg_frame_rate), "fps");
		if(st->r_frame_rate.den && st->r_frame_rate.num)
			print_fps(av_q2d(st->r_frame_rate), "tbr");
		if(st->time_base.den && st->time_base.num)
			print_fps(1/av_q2d(st->time_base), "tbn");
		if(st->codec->time_base.den && st->codec->time_base.num)
			print_fps(1/av_q2d(st->codec->time_base), "tbc");
	}
	if (st->disposition & AV_DISPOSITION_DEFAULT)
		av_log(NULL, AV_LOG_INFO, " (default)");
	if (st->disposition & AV_DISPOSITION_DUB)
		av_log(NULL, AV_LOG_INFO, " (dub)");
	if (st->disposition & AV_DISPOSITION_ORIGINAL)
		av_log(NULL, AV_LOG_INFO, " (original)");
	if (st->disposition & AV_DISPOSITION_COMMENT)
		av_log(NULL, AV_LOG_INFO, " (comment)");
	if (st->disposition & AV_DISPOSITION_LYRICS)
		av_log(NULL, AV_LOG_INFO, " (lyrics)");
	if (st->disposition & AV_DISPOSITION_KARAOKE)
		av_log(NULL, AV_LOG_INFO, " (karaoke)");
	if (st->disposition & AV_DISPOSITION_FORCED)
		av_log(NULL, AV_LOG_INFO, " (forced)");
	if (st->disposition & AV_DISPOSITION_HEARING_IMPAIRED)
		av_log(NULL, AV_LOG_INFO, " (hearing impaired)");
	if (st->disposition & AV_DISPOSITION_VISUAL_IMPAIRED)
		av_log(NULL, AV_LOG_INFO, " (visual impaired)");
	if (st->disposition & AV_DISPOSITION_CLEAN_EFFECTS)
		av_log(NULL, AV_LOG_INFO, " (clean effects)");
	av_log(NULL, AV_LOG_INFO, "\n");
	dump_metadata(NULL, st->metadata, "    ");
}*/
void AVInfo::dump()
{
	qDebug("Version\n"
		   "libavcodec: %#x\n"
		   "libavformat: %#x\n"
//	       "libavdevice: %#x\n"
		   "libavutil: %#x"
		   ,avcodec_version()
		   ,avformat_version()
//	       ,avdevice_version()
		   ,avutil_version());
	av_dump_format(_format_context, 0, qPrintable(_file_name), false);
	qDebug("video format: %s [%s]", qPrintable(videoFormatName()), qPrintable(videoFormatLongName()));
	qDebug("Audio: %s [%s]", qPrintable(audioCodecName()), qPrintable(audioCodecLongName()));
	qDebug("sample rate: %d, channels: %d", a_codec_context->sample_rate, a_codec_context->channels);
}
Ejemplo n.º 2
0
/*
static void dump_stream_format(AVFormatContext *ic, int i, int index, int is_output)
{
    char buf[256];
    int flags = (is_output ? ic->oformat->flags : ic->iformat->flags);
    AVStream *st = ic->streams[i];
    int g = av_gcd(st->time_base.num, st->time_base.den);
    AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL, 0);
    avcodec_string(buf, sizeof(buf), st->codec, is_output);
    av_log(NULL, AV_LOG_INFO, "    Stream #%d.%d", index, i);
    // the pid is an important information, so we display it
    // XXX: add a generic system
    if (flags & AVFMT_SHOW_IDS)
        av_log(NULL, AV_LOG_INFO, "[0x%x]", st->id);
    if (lang)
        av_log(NULL, AV_LOG_INFO, "(%s)", lang->value);
    av_log(NULL, AV_LOG_DEBUG, ", %d, %d/%d", st->codec_info_nb_frames, st->time_base.num/g, st->time_base.den/g);
    av_log(NULL, AV_LOG_INFO, ": %s", buf);
    if (st->sample_aspect_ratio.num && // default
        av_cmp_q(st->sample_aspect_ratio, st->codec->sample_aspect_ratio)) {
        AVRational display_aspect_ratio;
        av_reduce(&display_aspect_ratio.num, &display_aspect_ratio.den,
                  st->codec->width*st->sample_aspect_ratio.num,
                  st->codec->height*st->sample_aspect_ratio.den,
                  1024*1024);
        av_log(NULL, AV_LOG_INFO, ", PAR %d:%d DAR %d:%d",
                 st->sample_aspect_ratio.num, st->sample_aspect_ratio.den,
                 display_aspect_ratio.num, display_aspect_ratio.den);
    }
    if(st->codec->codec_type == AVMEDIA_TYPE_VIDEO){
        if(st->avg_frame_rate.den && st->avg_frame_rate.num)
            print_fps(av_q2d(st->avg_frame_rate), "fps");
        if(st->r_frame_rate.den && st->r_frame_rate.num)
            print_fps(av_q2d(st->r_frame_rate), "tbr");
        if(st->time_base.den && st->time_base.num)
            print_fps(1/av_q2d(st->time_base), "tbn");
        if(st->codec->time_base.den && st->codec->time_base.num)
            print_fps(1/av_q2d(st->codec->time_base), "tbc");
    }
    if (st->disposition & AV_DISPOSITION_DEFAULT)
        av_log(NULL, AV_LOG_INFO, " (default)");
    if (st->disposition & AV_DISPOSITION_DUB)
        av_log(NULL, AV_LOG_INFO, " (dub)");
    if (st->disposition & AV_DISPOSITION_ORIGINAL)
        av_log(NULL, AV_LOG_INFO, " (original)");
    if (st->disposition & AV_DISPOSITION_COMMENT)
        av_log(NULL, AV_LOG_INFO, " (comment)");
    if (st->disposition & AV_DISPOSITION_LYRICS)
        av_log(NULL, AV_LOG_INFO, " (lyrics)");
    if (st->disposition & AV_DISPOSITION_KARAOKE)
        av_log(NULL, AV_LOG_INFO, " (karaoke)");
    if (st->disposition & AV_DISPOSITION_FORCED)
        av_log(NULL, AV_LOG_INFO, " (forced)");
    if (st->disposition & AV_DISPOSITION_HEARING_IMPAIRED)
        av_log(NULL, AV_LOG_INFO, " (hearing impaired)");
    if (st->disposition & AV_DISPOSITION_VISUAL_IMPAIRED)
        av_log(NULL, AV_LOG_INFO, " (visual impaired)");
    if (st->disposition & AV_DISPOSITION_CLEAN_EFFECTS)
        av_log(NULL, AV_LOG_INFO, " (clean effects)");
    av_log(NULL, AV_LOG_INFO, "\n");
    dump_metadata(NULL, st->metadata, "    ");
}*/
void AVDemuxer::dump()
{
    av_dump_format(format_context, 0, qPrintable(_file_name), false);
    fflush(0);
    qDebug("[AVFormatContext::duration = %lld]", duration());
    qDebug("video format: %s [%s]", qPrintable(videoFormatName()), qPrintable(videoFormatLongName()));
    qDebug("Audio: %s [%s]", qPrintable(audioCodecName()), qPrintable(audioCodecLongName()));
    if (a_codec_context)
        qDebug("sample rate: %d, channels: %d", a_codec_context->sample_rate, a_codec_context->channels);
    struct stream_info {
        int index;
        AVCodecContext* ctx;
        const char* name;
    };

    stream_info stream_infos[] = {
          {audioStream(),    a_codec_context, "audio stream"}
        , {videoStream(),    v_codec_context, "video_stream"}
        , {0,                0,               0}
    };
    AVStream *stream = 0;
    for (int idx = 0; stream_infos[idx].name != 0; ++idx) {
        qDebug("%s: %d", stream_infos[idx].name, stream_infos[idx].index);
        if (stream_infos[idx].index < 0 || !(stream = format_context->streams[idx])) {
            qDebug("stream not available: index = %d, stream = %p", stream_infos[idx].index, stream);
            continue;
        }
        //why not fixed for video without audio?
        //qDebug("[AVStream::start_time = %lld]", stream->start_time);
        AVCodecContext *ctx = stream_infos[idx].ctx;
        if (ctx) {
            qDebug("[AVCodecContext::time_base = %d / %d = %f]", ctx->time_base.num, ctx->time_base.den, av_q2d(ctx->time_base));
        }
        ////why avg_frame_rate is not fixed for the same video?
        //qDebug("[AVStream::avg_frame_rate = %d / %d = %f]", stream->avg_frame_rate.num, stream->avg_frame_rate.den, av_q2d(stream->avg_frame_rate));
        //qDebug("[AVStream::time_base = %d / %d = %f]", stream->time_base.num, stream->time_base.den, av_q2d(stream->time_base));
    }

}