Update an outdated comment.

[movit] / effect_chain.h

diff --git a/effect_chain.h b/effect_chain.h
index 918769b3872451576f329a5252568fc214889a03..c6da2172d1e56b5c9f89a08607522536e9964632 100644 (file)
--- a/effect_chain.h
+++ b/effect_chain.h
@@ -264,8 +264,8 @@ public:
        void add_output(const ImageFormat &format, OutputAlphaFormat alpha_format);
 
        // Adds an YCbCr output. Note that you can only have one output.
-       // Currently, only chunked packed output is supported, and only 4:4:4
-       // (so chroma_subsampling_x and chroma_subsampling_y must both be 1).
+       // Currently, only 4:4:4 output is supported, so chroma_subsampling_x
+       // and chroma_subsampling_y must both be 1.
        //
        // If you have both RGBA and Y'CbCr output, the RGBA output will come
        // in the last draw buffer. Also, <format> and <alpha_format> must be
@@ -274,6 +274,12 @@ public:
                              const YCbCrFormat &ycbcr_format,
                              YCbCrOutputSplitting output_splitting = YCBCR_OUTPUT_INTERLEAVED);
 
+       // Change Y'CbCr output format. (This can be done also after finalize()).
+       // Note that you are not allowed to change subsampling parameters;
+       // however, you can change the color space parameters, ie.,
+       // luma_coefficients, full_range and num_levels.
+       void change_ycbcr_output_format(const YCbCrFormat &ycbcr_format);
+
        // Set number of output bits, to scale the dither.
        // 8 is the right value for most outputs.
        // The default, 0, is a special value that means no dither.
@@ -299,7 +305,7 @@ public:
        // no matter what you specify.
        //
        // Of special interest is GL_SRGB8_ALPHA8, which stores sRGB-encoded RGB
-       // and linear alpha; this is half the memory bandwidth og GL_RGBA16F,
+       // and linear alpha; this is half the memory bandwidth of GL_RGBA16F,
        // while retaining reasonable precision for typical image data. It will,
        // however, cause some gamut clipping if your colorspace is far from sRGB,
        // as it cannot represent values outside [0,1]. NOTE: If you construct
@@ -486,6 +492,7 @@ private:
        std::vector<Node *> nodes;
        std::map<Effect *, Node *> node_map;
        Effect *dither_effect;
+       Node *ycbcr_conversion_effect_node;
 
        std::vector<Input *> inputs;  // Also contained in nodes.
        std::vector<Phase *> phases;