static int lvd_crop_plane( uint8_t *D, uint8_t *S, int left, int right, int top, int bottom, int w, int h )
{
int dst_width = ( w - left - right);
int y = h - top - bottom + 1;
if( dst_width < 1 || y < 1)
return 0;
uint8_t *src = S;
uint8_t *dst = D;
while( --y ) {
livido_memcpy( dst, src, dst_width);
dst += dst_width;
src += w;
}
return 1;
}
livido_process_f process_instance( livido_port_t *my_instance, double timecode )
{
int len =0;
int i = 0;
uint8_t *A[4] = {NULL,NULL,NULL,NULL};
uint8_t *O[4]= {NULL,NULL,NULL,NULL};
int palette;
int w;
int h;
int error = lvd_extract_channel_values( my_instance, "out_channels", 0, &w,&h, O,&palette );
if( error != LIVIDO_NO_ERROR )
return LIVIDO_ERROR_HARDWARE;
lvd_extract_channel_values( my_instance, "in_channels" , 0, &w, &h, A, &palette );
int uv_len = lvd_uv_plane_len( palette,w,h );
len = w * h;
int red = lvd_extract_param_index( my_instance,"in_parameters", 0 );
int green = lvd_extract_param_index( my_instance,"in_parameters", 1 );
int blue = lvd_extract_param_index( my_instance,"in_parameters", 2 );
int shift = 1;
if( palette == LIVIDO_PALETTE_YUV444P )
shift = 0;
if( O[0] != A[0] ) {
livido_memcpy( A[0], O[0], len );
}
int y,u,v;
GIMP_rgb2yuv( red, green, blue, y, u, v );
livido_memset( O[1], u, uv_len );
livido_memset( O[2], v, uv_len );
return LIVIDO_NO_ERROR;
}
