struct mlt_frame_s
{
- // We're extending properties here
+ /* We're extending properties here */
struct mlt_properties_s parent;
- // Virtual methods
+ /* Virtual methods */
uint8_t * ( *get_alpha_mask )( mlt_frame self );
- // Private properties
+ /* Private properties */
mlt_deque stack_image;
mlt_deque stack_audio;
mlt_deque stack_service;
extern void mlt_frame_close( mlt_frame self );
/* convenience functions */
+extern int mlt_convert_yuv422_to_rgb24a( uint8_t *yuv, uint8_t *rgba, unsigned int total );
extern int mlt_convert_rgb24a_to_yuv422( uint8_t *rgba, int width, int height, int stride, uint8_t *yuv, uint8_t *alpha );
extern int mlt_convert_rgb24_to_yuv422( uint8_t *rgb, int width, int height, int stride, uint8_t *yuv );
+extern int mlt_convert_bgr24a_to_yuv422( uint8_t *rgba, int width, int height, int stride, uint8_t *yuv, uint8_t *alpha );
+extern int mlt_convert_argb_to_yuv422( uint8_t *rgba, int width, int height, int stride, uint8_t *yuv, uint8_t *alpha );
+extern int mlt_convert_bgr24_to_yuv422( uint8_t *rgb, int width, int height, int stride, uint8_t *yuv );
extern int mlt_convert_yuv420p_to_yuv422( uint8_t *yuv420p, int width, int height, int stride, uint8_t *yuv );
extern uint8_t *mlt_frame_resize_yuv422( mlt_frame self, int owidth, int oheight );
extern uint8_t *mlt_frame_rescale_yuv422( mlt_frame self, int owidth, int oheight );
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_frame_combine_audio( mlt_frame self, mlt_frame that, 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)\
- y = ((257*r + 504*g + 98*b) >> 10) + 16;\
- u = ((-148*r - 291*g + 439*b) >> 10) + 128;\
- v = ((439*r - 368*g - 71*b) >> 10) + 128;\
- y = y < 16 ? 16 : y;\
- u = u < 16 ? 16 : u;\
- v = v < 16 ? 16 : v;\
- y = y > 235 ? 235 : y;\
- u = u > 240 ? 240 : u;\
- v = v > 240 ? 240 : v
+ y = ((263*r + 516*g + 100*b) >> 10) + 16;\
+ u = ((-152*r - 298*g + 450*b) >> 10) + 128;\
+ v = ((450*r - 377*g - 73*b) >> 10) + 128;
/* this macro assumes the user has already scaled their rgb down into the broadcast limits */
#define RGB2YUV_UNSCALED(r, g, b, y, u, v)\
u = u > 240 ? 240 : u;\
v = v > 240 ? 240 : v
+#define YUV2RGB( y, u, v, r, g, b ) \
+ r = ((1192 * ( y - 16 ) + 1634 * ( v - 128 ) ) >> 10 ); \
+ g = ((1192 * ( y - 16 ) - 832 * ( v - 128 ) - 400 * ( u - 128 ) ) >> 10 ); \
+ b = ((1192 * ( y - 16 ) + 2066 * ( u - 128 ) ) >> 10 ); \
+ r = r < 0 ? 0 : r > 255 ? 255 : r; \
+ g = g < 0 ? 0 : g > 255 ? 255 : g; \
+ b = b < 0 ? 0 : b > 255 ? 255 : b;
+
#endif