Commit aa9ccaaf authored by François Cartegnie's avatar François Cartegnie 🤞
Browse files

demux: mp4: handle DASH passive seek for now

parent d7912397
......@@ -5035,6 +5035,35 @@ static int DemuxAsLeaf( demux_t *p_demux )
return 1;
}
if( p_sys->b_dash && p_sys->moovfragment.p_moox && p_sys->moovfragment.p_next )
{
/* Detect and Handle Passive Seek */
mp4_fragment_t *lastfrag = p_sys->moovfragment.p_next;
while(lastfrag->p_next)
lastfrag = lastfrag->p_next;
MP4_Box_t *p_mfhd = MP4_BoxGet( p_fragbox, "mfhd" );
MP4_Box_t *p_prevmfhd = MP4_BoxGet( lastfrag->p_moox, "mfhd" );
if( p_mfhd && p_prevmfhd &&
BOXDATA(p_mfhd)->i_sequence_number != p_prevmfhd->data.p_mfhd->i_sequence_number + 1 )
{
msg_Info( p_demux, "Passive DASH Seek detected" );
MP4_Box_t *p_sidx = MP4_BoxGet( p_vroot, "sidx" );
if( p_sidx && BOXDATA(p_sidx) && BOXDATA(p_sidx)->i_timescale )
{
mtime_t i_time_base = BOXDATA(p_sidx)->i_earliest_presentation_time;
for( unsigned int i_track = 0; i_track < p_sys->i_tracks; i_track++ )
{
p_sys->track[i_track].i_time = i_time_base * p_sys->track[i_track].i_timescale
/ BOXDATA(p_sidx)->i_timescale;
}
p_sys->i_time = i_time_base * p_sys->i_timescale / BOXDATA(p_sidx)->i_timescale;
p_sys->i_pcr = VLC_TS_INVALID;
}
}
}
/* detach */
while( p_vroot->p_first )
{
......
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