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;
}
int process_instance( livido_port_t *my_instance, double timecode )
{
int len =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_NO_OUTPUT_CHANNELS;
error = lvd_extract_channel_values( my_instance, "in_channels" , 0, &w, &h, A, &palette );
if( error != LIVIDO_NO_ERROR )
return LIVIDO_ERROR_NO_INPUT_CHANNELS;
len = w * h;
int src_red = lvd_extract_param_index( my_instance,"in_parameters", 0 );
int src_green = lvd_extract_param_index( my_instance,"in_parameters", 1 );
int src_blue = lvd_extract_param_index( my_instance,"in_parameters", 2 );
int dst_red = lvd_extract_param_index( my_instance,"in_parameters", 3 );
int dst_green = lvd_extract_param_index( my_instance,"in_parameters", 4 );
int dst_blue = lvd_extract_param_index( my_instance,"in_parameters", 5 );
int mode = lvd_extract_param_index( my_instance,"in_parameters", 6 );
int black_incl = lvd_extract_param_index( my_instance,"in_parameters", 7 );
int sy,su,sv;
GIMP_rgb2yuv( src_red, src_green, src_blue, sy,su,sv );
int dy,du,dv;
GIMP_rgb2yuv( dst_red, dst_green, dst_blue, dy,du,dv );
uint8_t *ch0 = A[0];
uint8_t *ch1 = A[1];
uint8_t *ch2 = A[2];
uint8_t *o0 = O[0];
uint8_t *o1 = O[1];
uint8_t *o2 = O[2];
const int minY = ( mode == 1 ? 16: 0 );
const int maxY = ( mode == 1 ? 235: 255 );
const int minUV= ( mode == 1 ? 16: 0 );
const int maxUV= ( mode == 1 ? 240: 255 );
int i;
if( black_incl ) {
for( i = 0; i < len; i ++ )
{
o0[i] = CLAMP( ch0[i] + dy - sy,minY,maxY );
o1[i] = CLAMP( ch1[i] + du - su,minUV,maxUV );
o2[i] = CLAMP( ch2[i] + dv - sv,minUV,maxUV );
}
}
else {
for( i = 0; i < len; i ++ )
{
if(ch0[i] != 0 ) {
o0[i] = CLAMP( ch0[i] + dy - sy,minY,maxY );
o1[i] = CLAMP( ch1[i] + du - su,minUV,maxUV );
o2[i] = CLAMP( ch2[i] + dv - sv,minUV,maxUV );
}
}
}
return LIVIDO_NO_ERROR;
}