/***** convenience functions *****/
+int mlt_convert_yuv422_to_rgb24a( uint8_t *yuv, uint8_t *rgba, unsigned int total )
+{
+ int ret = 0;
+ int yy, uu, vv;
+ int r,g,b;
+ total /= 2;
+ while (total--)
+ {
+ yy = yuv[0];
+ uu = yuv[1];
+ vv = yuv[3];
+ YUV2RGB(yy, uu, vv, r, g, b);
+ rgba[0] = r;
+ rgba[1] = g;
+ rgba[2] = b;
+ rgba[3] = 255;
+ yy = yuv[2];
+ YUV2RGB(yy, uu, vv, r, g, b);
+ rgba[4] = r;
+ rgba[5] = g;
+ rgba[6] = b;
+ rgba[7] = 255;
+ yuv += 4;
+ rgba += 8;
+ }
+ return ret;
+}
+
int mlt_convert_rgb24a_to_yuv422( uint8_t *rgba, int width, int height, int stride, uint8_t *yuv, uint8_t *alpha )
{
int ret = 0;
return ret;
}
+int mlt_convert_argb_to_yuv422( uint8_t *rgba, int width, int height, int stride, uint8_t *yuv, uint8_t *alpha )
+{
+ int ret = 0;
+ register int y0, y1, u0, u1, v0, v1;
+ register int r, g, b;
+ register uint8_t *d = yuv;
+ register int i, j;
+
+ for ( i = 0; i < height; i++ )
+ {
+ register uint8_t *s = rgba + ( stride * i );
+ for ( j = 0; j < ( width / 2 ); j++ )
+ {
+ *alpha++ = *s++;
+ r = *s++;
+ g = *s++;
+ b = *s++;
+ RGB2YUV (r, g, b, y0, u0 , v0);
+ *alpha++ = *s++;
+ r = *s++;
+ g = *s++;
+ b = *s++;
+ RGB2YUV (r, g, b, y1, u1 , v1);
+ *d++ = y0;
+ *d++ = (u0+u1) >> 1;
+ *d++ = y1;
+ *d++ = (v0+v1) >> 1;
+ }
+ if ( width % 2 )
+ {
+ *alpha++ = *s++;
+ r = *s++;
+ g = *s++;
+ b = *s++;
+ RGB2YUV (r, g, b, y0, u0 , v0);
+ *d++ = y0;
+ *d++ = u0;
+ }
+ }
+ return ret;
+}
+
int mlt_convert_yuv420p_to_yuv422( uint8_t *yuv420p, int width, int height, int stride, uint8_t *yuv )
{
int ret = 0;