Refactor controls

src/state.h

@@ -19,6 +19,11 @@ typedef struct state_main {
         int burst_length;
 
         // Control state
+        bool control_gain;
+        bool control_exposure;
+        bool control_flash;
+        bool control_focus;
+
         bool gain_is_manual;
         int gain;
         int gain_max;
@@ -30,4 +35,39 @@ typedef struct state_main {
 
         bool has_auto_focus_continuous;
         bool has_auto_focus_start;
-} mp_state_main;
+} mp_state_main;
+
+typedef struct cstate {
+        uint32_t control;
+        int32_t value;
+        int32_t value_req;
+        int32_t max;
+        bool manual;
+        bool manual_req;
+} controlstate;
+
+typedef struct state_io {
+        libmegapixels_camera *camera;
+        libmegapixels_mode *mode_capture;
+        libmegapixels_mode *mode_preview;
+
+        int burst_length;
+        int captures_remaining;
+        bool flush_pipeline;
+        int blank_frame_count;
+
+        // Control state
+        controlstate gain;
+        controlstate exposure;
+        controlstate focus;
+        controlstate red;
+        controlstate blue;
+        bool can_af_trigger;
+        bool trigger_af;
+        bool flash_enabled;
+
+        // State passed through to the process pipeline
+        int preview_width;
+        int preview_height;
+        int device_rotation;
+} mp_state_io;