static void tt_timings_MergeSequential( const tt_timings_t *p_restrict,
const tt_timings_t *p_prevref, tt_timings_t *p_local )
{
if( tt_time_Valid( &p_local->begin ) )
p_local->begin = tt_time_Add( p_local->begin, p_prevref->end );
else
p_local->begin = p_prevref->end;
if( tt_time_Valid( &p_local->end ) )
{
p_local->end = tt_time_Add( p_local->end, p_prevref->end );
}
else if( tt_time_Valid( &p_local->dur ) && tt_time_Valid( &p_local->begin ) )
{
p_local->end = tt_time_Add( p_local->begin, p_local->dur );
}
/* Enforce contained duration */
if( tt_time_Valid( &p_restrict->end ) && tt_time_Compare( &p_local->end, &p_restrict->end ) > 0 )
p_local->end = p_restrict->end;
/* Just for consistency */
if( tt_time_Valid( &p_local->begin ) && tt_time_Valid( &p_local->end ) )
p_local->dur = tt_time_Sub( p_local->end, p_local->begin );
}
static int Control( demux_t* p_demux, int i_query, va_list args )
{
demux_sys_t *p_sys = p_demux->p_sys;
int64_t *pi64, i64;
double *pf, f;
bool b;
switch( i_query )
{
case DEMUX_CAN_SEEK:
*va_arg( args, bool * ) = true;
return VLC_SUCCESS;
case DEMUX_GET_TIME:
pi64 = va_arg( args, int64_t * );
*pi64 = p_sys->i_next_demux_time;
return VLC_SUCCESS;
case DEMUX_SET_TIME:
i64 = va_arg( args, int64_t );
if( p_sys->times.i_count )
{
tt_time_t t = tt_time_Create( i64 - VLC_TS_0 );
size_t i_index = tt_timings_FindLowerIndex( p_sys->times.p_array,
p_sys->times.i_count, t, &b );
p_sys->times.i_current = i_index;
p_sys->b_first_time = true;
return VLC_SUCCESS;
}
break;
case DEMUX_SET_NEXT_DEMUX_TIME:
i64 = va_arg( args, int64_t );
p_sys->i_next_demux_time = i64;
p_sys->b_slave = true;
return VLC_SUCCESS;
case DEMUX_GET_LENGTH:
pi64 = va_arg( args, int64_t * );
if( p_sys->times.i_count )
{
tt_time_t t = tt_time_Sub( p_sys->times.p_array[p_sys->times.i_count - 1],
p_sys->temporal_extent.begin );
*pi64 = tt_time_Convert( &t );
return VLC_SUCCESS;
}
break;
case DEMUX_GET_POSITION:
pf = va_arg( args, double * );
if( p_sys->times.i_current >= p_sys->times.i_count )
{
*pf = 1.0;
}
else if( p_sys->times.i_count > 0 )
{
i64 = tt_time_Convert( &p_sys->times.p_array[p_sys->times.i_count - 1] );
*pf = (double) p_sys->i_next_demux_time / (i64 + 0.5);
}
else
{
*pf = 0.0;
}
return VLC_SUCCESS;
case DEMUX_SET_POSITION:
f = va_arg( args, double );
if( p_sys->times.i_count )
{
i64 = f * tt_time_Convert( &p_sys->times.p_array[p_sys->times.i_count - 1] );
tt_time_t t = tt_time_Create( i64 );
size_t i_index = tt_timings_FindLowerIndex( p_sys->times.p_array,
p_sys->times.i_count, t, &b );
p_sys->times.i_current = i_index;
p_sys->b_first_time = true;
return VLC_SUCCESS;
}
break;
case DEMUX_GET_PTS_DELAY:
case DEMUX_GET_FPS:
case DEMUX_GET_META:
case DEMUX_GET_ATTACHMENTS:
case DEMUX_GET_TITLE_INFO:
case DEMUX_HAS_UNSUPPORTED_META:
case DEMUX_CAN_RECORD:
default:
break;
}
return VLC_EGENERIC;
}
