#define MLT_FRAME_PROPERTIES( frame ) ( &( frame )->parent )
#define MLT_FRAME_SERVICE_STACK( frame ) ( ( frame )->stack_service )
+#define MLT_FRAME_IMAGE_STACK( frame ) ( ( frame )->stack_image )
+#define MLT_FRAME_AUDIO_STACK( frame ) ( ( frame )->stack_audio )
extern mlt_frame mlt_frame_init( );
extern mlt_properties mlt_frame_properties( mlt_frame self );
extern mlt_frame mlt_frame_pop_frame( mlt_frame self );
extern int mlt_frame_push_service( mlt_frame self, void *that );
extern void *mlt_frame_pop_service( mlt_frame self );
+extern int mlt_frame_push_service_int( mlt_frame self, int that );
+extern int mlt_frame_pop_service_int( mlt_frame self );
extern int mlt_frame_push_audio( mlt_frame self, void *that );
extern void *mlt_frame_pop_audio( mlt_frame self );
extern mlt_deque mlt_frame_service_stack( mlt_frame self );
extern void mlt_resize_yuv422( uint8_t *output, int owidth, int oheight, uint8_t *input, int iwidth, int iheight );
extern int mlt_frame_mix_audio( mlt_frame self, mlt_frame that, float weight_start, float weight_end, int16_t **buffer, mlt_audio_format *format, int *frequency, int *channels, int *samples );
extern int mlt_sample_calculator( float fps, int frequency, int64_t position );
+extern int64_t mlt_sample_calculator_to_now( float fps, int frequency, int64_t position );
/* this macro scales rgb into the yuv gamut, y is scaled by 219/255 and uv by 224/255 */
#define RGB2YUV(r, g, b, y, u, v)\