Allow adjusting the output Y'CbCr coefficients after finalize.

[movit] / ycbcr_input.cpp

diff --git a/ycbcr_input.cpp b/ycbcr_input.cpp
index 4c824c6d092ddc94617a2ecf18e96be4c3a51202..b0ca69291198fc69b7badc37b35b30d92741930c 100644 (file)
--- a/ycbcr_input.cpp
+++ b/ycbcr_input.cpp
@@ -30,15 +30,8 @@ YCbCrInput::YCbCrInput(const ImageFormat &image_format,
        pbos[0] = pbos[1] = pbos[2] = 0;
        texture_num[0] = texture_num[1] = texture_num[2] = 0;
 
-       assert(width % ycbcr_format.chroma_subsampling_x == 0);
-       pitch[0] = widths[0] = width;
-       pitch[1] = widths[1] = width / ycbcr_format.chroma_subsampling_x;
-       pitch[2] = widths[2] = width / ycbcr_format.chroma_subsampling_x;
-
-       assert(height % ycbcr_format.chroma_subsampling_y == 0);
-       heights[0] = height;
-       heights[1] = height / ycbcr_format.chroma_subsampling_y;
-       heights[2] = height / ycbcr_format.chroma_subsampling_y;
+       set_width(width);
+       set_height(height);
 
        pixel_data[0] = pixel_data[1] = pixel_data[2] = NULL;
        owns_texture[0] = owns_texture[1] = owns_texture[2] = false;
@@ -69,7 +62,7 @@ void YCbCrInput::set_gl_state(GLuint glsl_program_num, const string& prefix, uns
                glActiveTexture(GL_TEXTURE0 + *sampler_num + channel);
                check_error();
 
-               if (texture_num[channel] == 0) {
+               if (texture_num[channel] == 0 && (pbos[channel] != 0 || pixel_data[channel] != NULL)) {
                        GLenum format, internal_format;
                        if (channel == 1 && ycbcr_input_splitting == YCBCR_INPUT_SPLIT_Y_AND_CBCR) {
                                format = GL_RG;