Fix invalid white balance from nonconnected FFmpeg inputs.

[nageru] / nageru / mixer.h

diff --git a/nageru/mixer.h b/nageru/mixer.h
index 69b28f58826bb7c4603107d3f7efa668b97e196c..49afa7f1f2f7a0e1ce7254e05e0bef3b2b6f8027 100644 (file)
--- a/nageru/mixer.h
+++ b/nageru/mixer.h
@@ -23,6 +23,7 @@
 #include <thread>
 #include <vector>
 
+#include <movit/effect.h>
 #include <movit/image_format.h>
 
 #include "audio_mixer.h"
@@ -288,6 +289,11 @@ public:
                theme->set_wb(channel, r, g, b);
        }
 
+       std::string format_status_line(const std::string &disk_space_left_text, double file_length_seconds)
+       {
+               return theme->format_status_line(disk_space_left_text, file_length_seconds);
+       }
+
        // Note: You can also get this through the global variable global_audio_mixer.
        AudioMixer *get_audio_mixer() { return audio_mixer.get(); }
        const AudioMixer *get_audio_mixer() const { return audio_mixer.get(); }
@@ -532,6 +538,7 @@ private:
                        std::function<void()> upload_func;  // Needs to be called to actually upload the texture to OpenGL.
                        unsigned dropped_frames = 0;  // Number of dropped frames before this one.
                        std::chrono::steady_clock::time_point received_timestamp = std::chrono::steady_clock::time_point::min();
+                       movit::RGBTriplet neutral_color{1.0f, 1.0f, 1.0f};
 
                        // Used for MJPEG encoding. (upload_func packs everything it needs
                        // into the functor, but would otherwise also use these.)
@@ -570,6 +577,7 @@ private:
        JitterHistory output_jitter_history;
        CaptureCard cards[MAX_VIDEO_CARDS];  // Protected by <card_mutex>.
        YCbCrInterpretation ycbcr_interpretation[MAX_VIDEO_CARDS];  // Protected by <card_mutex>.
+       movit::RGBTriplet last_received_neutral_color[MAX_VIDEO_CARDS];  // Used by the mixer thread only. Constructor-initialiezd.
        std::unique_ptr<AudioMixer> audio_mixer;  // Same as global_audio_mixer (see audio_mixer.h).
        bool input_card_is_master_clock(unsigned card_index, unsigned master_card_index) const;
        struct OutputFrameInfo {