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Originally committed as revision 2703 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2004-01-14 18:32:49 +00:00
parent 82b9e4a286
commit a602556e06
1 changed files with 4 additions and 15 deletions
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19
libavformat/asf.c
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@ -1378,27 +1378,13 @@ static int64_t asf_read_pts(AVFormatContext *s, int64_t *ppos, int stream_index)
static int asf_read_seek(AVFormatContext *s, int stream_index, int64_t pts)
{
ASFContext *asf = s->priv_data;
AVStream *st;
AVPacket pkt1, *pkt;
int block_align;
int64_t pos;
int64_t pos_min, pos_max, pts_min, pts_max, cur_pts, pos_limit;
pkt = &pkt1;
// Validate pts
if (pts < 0)
pts = 0;
if (stream_index == -1)
stream_index= av_find_default_stream_index(s);
st = s->streams[stream_index];
// ASF files have fixed block sizes, store this to determine offset
block_align = asf->packet_size;
if (block_align <= 0)
if (asf->packet_size <= 0)
return -1;
pos_min = 0;
@ -1413,6 +1399,9 @@ static int asf_read_seek(AVFormatContext *s, int stream_index, int64_t pts)
int64_t start_pos;
assert(pos_limit <= pos_max);
assert(pos_limit % asf->packet_size == 0);
assert(pos_max % asf->packet_size == 0);
assert(pos_min % asf->packet_size == 0);
// interpolate position (better than dichotomy)
pos = (int64_t)((double)(pos_limit - pos_min) *