Display a copy of the Y'CbCr images instead of an RGB565 copy.

[nageru] / chroma_subsampler.h

diff --git a/chroma_subsampler.h b/chroma_subsampler.h
index 811f901697fc1ae9374962195e924d1a2fceacfa..1bed433cc5863cefc919da6980a921b3b2407f55 100644 (file)
--- a/chroma_subsampler.h
+++ b/chroma_subsampler.h
@@ -17,7 +17,10 @@ public:
        // Subsamples chroma (packed Cb and Cr) 2x2 to yield chroma suitable for
        // NV12 (semiplanar 4:2:0). Chroma positioning is left/center (H.264 convention).
        // width and height are the dimensions (in pixels) of the input texture.
-       void subsample_chroma(GLuint cbcr_tex, unsigned width, unsigned height, GLuint dst_tex);
+       //
+       // You can get two equal copies if you'd like; just set dst2_tex to a texture
+       // number and it will receive an exact copy of what goes into dst_tex.
+       void subsample_chroma(GLuint cbcr_tex, unsigned width, unsigned height, GLuint dst_tex, GLuint dst2_tex = 0);
 
        // Subsamples and interleaves luma and chroma to give 4:2:2 packed Y'CbCr (UYVY).
        // Chroma positioning is left (H.264 convention).