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| author | ami_stuff <ami_stuff@o2.pl> | 2011-07-18 13:59:30 +0200 |
|---|---|---|
| committer | Stefano Sabatini <stefano.sabatini-lala@poste.it> | 2011-07-18 14:11:04 +0200 |
| commit | 93263dc19e441f347baf9c36b5bc83693f16d084 (patch) | |
| tree | 867d8c70d52017972f11ff2086e7a50a36a27149 /libavformat | |
| parent | 78accb876c173c881082018b169b5cf9fa13e6e1 (diff) | |
| download | ffmpeg-93263dc19e441f347baf9c36b5bc83693f16d084.tar.gz | |
au: add computation for duration
Signed-off-by: Stefano Sabatini <stefano.sabatini-lala@poste.it>
Diffstat (limited to 'libavformat')
| -rw-r--r-- | libavformat/au.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/libavformat/au.c b/libavformat/au.c index f01c853a59..593442807c 100644 --- a/libavformat/au.c +++ b/libavformat/au.c @@ -120,7 +120,7 @@ static int au_probe(AVProbeData *p) static int au_read_header(AVFormatContext *s, AVFormatParameters *ap) { - int size; + int size, data_size = 0; unsigned int tag; AVIOContext *pb = s->pb; unsigned int id, channels, rate; @@ -132,7 +132,12 @@ static int au_read_header(AVFormatContext *s, if (tag != MKTAG('.', 's', 'n', 'd')) return -1; size = avio_rb32(pb); /* header size */ - avio_rb32(pb); /* data size */ + data_size = avio_rb32(pb); /* data size in bytes */ + + if (data_size < 0) { + av_log(s, AV_LOG_ERROR, "Invalid negative data size '%d' found\n", data_size); + return AVERROR_INVALIDDATA; + } id = avio_rb32(pb); rate = avio_rb32(pb); @@ -159,6 +164,7 @@ static int au_read_header(AVFormatContext *s, st->codec->codec_id = codec; st->codec->channels = channels; st->codec->sample_rate = rate; + st->duration = (((int64_t)data_size)<<3) / (st->codec->channels * av_get_bits_per_sample(codec)); av_set_pts_info(st, 64, 1, rate); return 0; } |