return mlt_service_properties( &this->parent );
}
+/** Convert frame position to timecode.
+*/
+
+mlt_timecode mlt_producer_time( mlt_producer this, int64_t frame )
+{
+ if ( frame < 0 )
+ return -1;
+ else
+ return ( mlt_timecode )frame / mlt_producer_get_fps( this );
+}
+
+/** Convert timecode to frame position.
+*/
+
+int64_t mlt_producer_frame_position( mlt_producer this, mlt_timecode position )
+{
+ if ( position < 0 )
+ return -1;
+ else
+ return ( int64_t )( floor( position * mlt_producer_get_fps( this ) + 0.5 ) );
+}
+
/** Seek to a specified time code.
*/
/** Seek to a specified absolute frame.
*/
-int mlt_producer_seek_frame( mlt_producer this, uint64_t frame )
+int mlt_producer_seek_frame( mlt_producer this, int64_t frame )
{
// Calculate the time code
double timecode = ( frame / mlt_producer_get_fps( this ) ) - mlt_producer_get_in( this );
// If timecode is invalid, then seek on time
- if ( timecode < 0 )
+ if ( frame < 0 || timecode < 0 )
{
// Seek to the in point
mlt_producer_seek( this, 0 );