In resizing effects, add the notion of a “virtual output size”.

[movit] / resample_effect.h

diff --git a/resample_effect.h b/resample_effect.h
index 5867f25a60a8f041d404565b0c738aea0b8b7732..a0ae1a8c156176da9ed41d222cfff4d09318c402 100644 (file)
--- a/resample_effect.h
+++ b/resample_effect.h
@@ -70,9 +70,9 @@ public:
        }
        virtual bool changes_output_size() const { return true; }
 
-       virtual void get_output_size(unsigned *width, unsigned *height) const {
-               *width = this->output_width;
-               *height = this->output_height;
+       virtual void get_output_size(unsigned *width, unsigned *height, unsigned *virtual_width, unsigned *virtual_height) const {
+               *virtual_width = *width = this->output_width;
+               *virtual_height = *height = this->output_height;
        }
 
        void set_gl_state(GLuint glsl_program_num, const std::string &prefix, unsigned *sampler_num);