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Implement absolute and percent-based seek 

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@20076 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
reimar 2006-10-05 21:25:22 +00:00
parent dfce3e3f9c
commit 9b128fa2e4
1 changed files with 12 additions and 1 deletions
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13
libmpdemux/demux_lavf.c
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@ -403,9 +403,20 @@ static int demux_lavf_fill_buffer(demuxer_t *demux, demux_stream_t *dsds){
static void demux_seek_lavf(demuxer_t *demuxer, float rel_seek_secs, float audio_delay, int flags){
lavf_priv_t *priv = demuxer->priv;
int avsflags = 0;
mp_msg(MSGT_DEMUX,MSGL_DBG2,"demux_seek_lavf(%p, %f, %f, %d)\n", demuxer, rel_seek_secs, audio_delay, flags);
av_seek_frame(priv->avfc, -1, priv->last_pts + rel_seek_secs*AV_TIME_BASE, rel_seek_secs < 0 ? AVSEEK_FLAG_BACKWARD : 0);
if (flags & 1) // absolute seek
priv->last_pts = priv->avfc->start_time;
if (flags & 2) { // percent seek
if (priv->avfc->duration == 0 || priv->avfc->duration == AV_NOPTS_VALUE)
return;
priv->last_pts += rel_seek_secs * priv->avfc->duration;
} else {
priv->last_pts += rel_seek_secs * AV_TIME_BASE;
if (rel_seek_secs < 0) avsflags = AVSEEK_FLAG_BACKWARD;
}
av_seek_frame(priv->avfc, -1, priv->last_pts, avsflags);
}
static int demux_lavf_control(demuxer_t *demuxer, int cmd, void *arg)