Support switching Y'CbCr coefficients midway, which will allow doing the Right Thing...

[nageru] / decklink_output.h

diff --git a/decklink_output.h b/decklink_output.h
index d5e743aa2e801cc91d1156f082c2fe15e34a17ef..5581c392860f67c89576e788ee59976b919d875a 100644 (file)
--- a/decklink_output.h
+++ b/decklink_output.h
@@ -2,6 +2,7 @@
 #define _DECKLINK_OUTPUT_H 1
 
 #include <epoxy/gl.h>
+#include <movit/image_format.h>
 #include <stdint.h>
 #include <atomic>
 #include <chrono>
@@ -40,7 +41,7 @@ public:
        void start_output(uint32_t mode, int64_t base_pts);  // Mode comes from get_available_video_modes().
        void end_output();
 
-       void send_frame(GLuint y_tex, GLuint cbcr_tex, const std::vector<RefCountedFrame> &input_frames, int64_t pts, int64_t duration);
+       void send_frame(GLuint y_tex, GLuint cbcr_tex, movit::YCbCrLumaCoefficients ycbcr_coefficients, const std::vector<RefCountedFrame> &input_frames, int64_t pts, int64_t duration);
        void send_audio(int64_t pts, const std::vector<float> &samples);
 
        // NOTE: The returned timestamp is undefined for preroll.
@@ -59,6 +60,9 @@ public:
        // If the given mode is supported, return it. If not, pick some “best” valid mode.
        uint32_t pick_video_mode(uint32_t mode) const;
 
+       // Desired Y'CbCr coefficients for the current mode. Undefined before start_output().
+       movit::YCbCrLumaCoefficients preferred_ycbcr_coefficients() const;
+
        // IUnknown.
        HRESULT STDMETHODCALLTYPE QueryInterface(REFIID iid, LPVOID *ppv) override;
        ULONG STDMETHODCALLTYPE AddRef() override;
@@ -132,6 +136,8 @@ private:
        std::condition_variable frame_queues_changed;
        bool playback_initiated = false, playback_started = false;
        int64_t base_pts, frame_duration;
+       BMDDisplayModeFlags current_mode_flags = 0;
+       bool last_frame_had_mode_mismatch = false;
 
        movit::ResourcePool *resource_pool;
        IDeckLinkOutput *output = nullptr;