Do some IEEE trickery to help the shader optimizer remove a sub or two in some YCbCr...

[movit] / ycbcr_input.h

diff --git a/ycbcr_input.h b/ycbcr_input.h
index 4c7b3e9a2b6bd8282976f8a759c0061a16c2fb7b..97ad5266bb3b0c9942f39dd3a2964aceedf848c1 100644 (file)
--- a/ycbcr_input.h
+++ b/ycbcr_input.h
@@ -13,30 +13,12 @@
 #include "effect_chain.h"
 #include "image_format.h"
 #include "input.h"
+#include "ycbcr.h"
 
 namespace movit {
 
 class ResourcePool;
 
-struct YCbCrFormat {
-       // Which formula for Y' to use.
-       YCbCrLumaCoefficients luma_coefficients;
-
-       // If true, assume Y'CbCr coefficients are full-range, ie. go from 0 to 255
-       // instead of the limited 220/225 steps in classic MPEG. For instance,
-       // JPEG uses the Rec. 601 luma coefficients, but full range.
-       bool full_range;
-
-       // Sampling factors for chroma components. For no subsampling (4:4:4),
-       // set both to 1.
-       unsigned chroma_subsampling_x, chroma_subsampling_y;
-
-       // Positioning of the chroma samples. MPEG-1 and JPEG is (0.5, 0.5);
-       // MPEG-2 and newer typically are (0.0, 0.5).
-       float cb_x_position, cb_y_position;
-       float cr_x_position, cr_y_position;
-};
-
 class YCbCrInput : public Input {
 public:
        YCbCrInput(const ImageFormat &image_format,