void mlt_frame_close( mlt_frame self )
{
if ( self != NULL && mlt_properties_dec_ref( MLT_FRAME_PROPERTIES( self ) ) <= 0 )
{
mlt_deque_close( self->stack_image );
mlt_deque_close( self->stack_audio );
while( mlt_deque_peek_back( self->stack_service ) )
mlt_service_close( mlt_deque_pop_back( self->stack_service ) );
mlt_deque_close( self->stack_service );
mlt_properties_close( &self->parent );
free( self );
}
}
void consumer_purge( mlt_consumer parent )
{
consumer_sdl self = parent->child;
if ( self->running )
{
pthread_mutex_lock( &self->video_mutex );
mlt_frame frame = MLT_FRAME( mlt_deque_peek_back( self->queue ) );
// When playing rewind or fast forward then we need to keep one
// frame in the queue to prevent playback stalling.
double speed = frame? mlt_properties_get_double( MLT_FRAME_PROPERTIES(frame), "_speed" ) : 0;
int n = ( speed == 0.0 || speed == 1.0 ) ? 0 : 1;
while ( mlt_deque_count( self->queue ) > n )
mlt_frame_close( mlt_deque_pop_back( self->queue ) );
self->is_purge = 1;
pthread_cond_broadcast( &self->video_cond );
pthread_mutex_unlock( &self->video_mutex );
}
}
static track_info *peek( mlt_parser self )
{
mlt_properties properties = mlt_parser_properties( self );
mlt_deque stack = mlt_properties_get_data( properties, "stack", NULL );
return mlt_deque_peek_back( stack );
}
