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Make frames unsigned.

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Patch by Alexander Kojevnikov, alexander kojevnikov com

Originally committed as revision 24540 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Alexander Kojevnikov 2010-07-27 10:11:05 +00:00 committed by Carl Eugen Hoyos
parent 49d7ef282d
commit 2a758efe31
1 changed files with 3 additions and 3 deletions
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6
libavformat/mp3.c
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@ -83,7 +83,7 @@ static int mp3_read_probe(AVProbeData *p)
static int mp3_parse_vbr_tags(AVFormatContext *s, AVStream *st, int64_t base)
{
uint32_t v, spf;
int frames = -1; /* Total number of frames in file */
unsigned frames = 0; /* Total number of frames in file */
unsigned size = 0; /* Total number of bytes in the stream */
const int64_t xing_offtbl[2][2] = {{32, 17}, {17,9}};
MPADecodeHeader c;
@ -122,14 +122,14 @@ static int mp3_parse_vbr_tags(AVFormatContext *s, AVStream *st, int64_t base)
}
}
if(frames < 0 && !size)
if(!frames && !size)
return -1;
/* Skip the vbr tag frame */
url_fseek(s->pb, base + vbrtag_size, SEEK_SET);
spf = c.lsf ? 576 : 1152; /* Samples per frame, layer 3 */
if(frames >= 0)
if(frames)
st->duration = av_rescale_q(frames, (AVRational){spf, c.sample_rate},
st->time_base);
if(size)