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| author | Michael Niedermayer <michaelni@gmx.at> | 2014-08-01 22:17:52 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2014-08-04 18:06:26 +0200 |
| commit | 4e855c11b50b2f5b29cfd570d7cf7efeaff558d5 (patch) | |
| tree | 55a6abba16bbdb39d0624299f76346a115501a77 | |
| parent | e8c003edd259feabacef0884ea8a47b22f7cac49 (diff) | |
| download | ffmpeg-4e855c11b50b2f5b29cfd570d7cf7efeaff558d5.tar.gz | |
avformat/util: change av_find_default_stream_index() to use a score based system
Disfavor video streams with unknown resolution and no packets
Fixes seeking in audio-only-speex.flv
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
| -rw-r--r-- | libavformat/utils.c | 25 |
1 files changed, 19 insertions, 6 deletions
diff --git a/libavformat/utils.c b/libavformat/utils.c index 4cfebf23f9..6ebbe6cbd9 100644 --- a/libavformat/utils.c +++ b/libavformat/utils.c @@ -1531,23 +1531,36 @@ static void flush_packet_queue(AVFormatContext *s) int av_find_default_stream_index(AVFormatContext *s) { - int first_audio_index = -1; int i; AVStream *st; + int best_stream = 0; + int best_score = -1; if (s->nb_streams <= 0) return -1; for (i = 0; i < s->nb_streams; i++) { + int score = 0; st = s->streams[i]; if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !(st->disposition & AV_DISPOSITION_ATTACHED_PIC)) { - return i; + if (!st->codec->width && !st->codec->height && !st->codec_info_nb_frames) + score += 25; + else + score += 100; + } + if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) { + if (!st->codec->sample_rate && !st->codec_info_nb_frames) + score += 12; + else + score += 50; + } + + if (score > best_score) { + best_score = score; + best_stream = i; } - if (first_audio_index < 0 && - st->codec->codec_type == AVMEDIA_TYPE_AUDIO) - first_audio_index = i; } - return first_audio_index >= 0 ? first_audio_index : 0; + return best_stream; } /** Flush the frame reader. */ |