When hot-unplugging capture cards, actually allow making them inactive.

[nageru] / nageru / theme.h

diff --git a/nageru/theme.h b/nageru/theme.h
index fe713ef1f6da48df468d4923c03a5451e23d1f27..024df7a378c2ba50fb1a054068fa8e39087667d4 100644 (file)
--- a/nageru/theme.h
+++ b/nageru/theme.h
@@ -78,13 +78,14 @@ struct InputStateInfo {
        unsigned last_width[MAX_VIDEO_CARDS], last_height[MAX_VIDEO_CARDS];
        bool last_interlaced[MAX_VIDEO_CARDS], last_has_signal[MAX_VIDEO_CARDS], last_is_connected[MAX_VIDEO_CARDS];
        unsigned last_frame_rate_nom[MAX_VIDEO_CARDS], last_frame_rate_den[MAX_VIDEO_CARDS];
+       bmusb::PixelFormat last_pixel_format[MAX_VIDEO_CARDS];
        bool has_last_subtitle[MAX_VIDEO_CARDS];
        std::string last_subtitle[MAX_VIDEO_CARDS];
 };
 
 class Theme {
 public:
-       Theme(const std::string &filename, const std::vector<std::string> &search_dirs, movit::ResourcePool *resource_pool, unsigned num_cards);
+       Theme(const std::string &filename, const std::vector<std::string> &search_dirs, movit::ResourcePool *resource_pool);
        ~Theme();
 
        struct Chain {
@@ -191,6 +192,11 @@ public:
 
        std::string format_status_line(const std::string &disk_space_left_text, double file_length_seconds);
 
+       // Signal that the given card is going away and will not be replaced
+       // with a fake capture card, so remove all connections to it so that
+       // they don't automatically come back on the next frame.
+       void remove_card(unsigned card_index);
+
 private:
        void register_globals();
        void register_class(const char *class_name, const luaL_Reg *funcs, EffectType effect_type = NO_EFFECT_TYPE);
@@ -205,7 +211,6 @@ private:
        const InputState *input_state = nullptr;  // Protected by <m>. Only set temporarily, during chain setup.
        movit::ResourcePool *resource_pool;
        int num_channels = -1;
-       unsigned num_cards;
        bool startup_finished = false;
 
        std::mutex map_m;