Allow setting the video and audio inputs runtime.

[bmusb] / bmusb.h

diff --git a/bmusb.h b/bmusb.h
index 9ba27bcc111234040d807bbcd0fafbb3f3cd9275..9ee6617a6e7874164a8a53603a47d974acf01694 100644 (file)
--- a/bmusb.h
+++ b/bmusb.h
@@ -13,6 +13,7 @@
 #include <thread>
 #include <vector>
 
+struct libusb_device_handle;
 struct libusb_transfer;
 
 // An interface for frame allocators; if you do not specify one
@@ -117,6 +118,14 @@ class CaptureInterface {
        virtual uint32_t get_current_video_mode() const = 0;
        virtual void set_video_mode(uint32_t video_mode_id) = 0;
 
+       virtual std::map<uint32_t, std::string> get_available_video_inputs() const = 0;
+       virtual void set_video_input(uint32_t video_input_id) = 0;
+       virtual uint32_t get_current_video_input() const = 0;
+
+       virtual std::map<uint32_t, std::string> get_available_audio_inputs() const = 0;
+       virtual void set_audio_input(uint32_t audio_input_id) = 0;
+       virtual uint32_t get_current_audio_input() const = 0;
+
        // Does not take ownership.
        virtual void set_video_frame_allocator(FrameAllocator *allocator) = 0;
 
@@ -156,6 +165,14 @@ class BMUSBCapture : public CaptureInterface {
        uint32_t get_current_video_mode() const override;
        void set_video_mode(uint32_t video_mode_id) override;
 
+       virtual std::map<uint32_t, std::string> get_available_video_inputs() const override;
+       virtual void set_video_input(uint32_t video_input_id) override;
+       virtual uint32_t get_current_video_input() const override { return current_video_input; }
+
+       virtual std::map<uint32_t, std::string> get_available_audio_inputs() const override;
+       virtual void set_audio_input(uint32_t audio_input_id) override;
+       virtual uint32_t get_current_audio_input() const override { return current_audio_input; }
+
        // Does not take ownership.
        void set_video_frame_allocator(FrameAllocator *allocator) override
        {
@@ -220,6 +237,8 @@ class BMUSBCapture : public CaptureInterface {
        static void usb_thread_func();
        static void cb_xfr(struct libusb_transfer *xfr);
 
+       void update_capture_mode();
+
        std::string description;
 
        FrameAllocator::Frame current_video_frame;
@@ -248,6 +267,10 @@ class BMUSBCapture : public CaptureInterface {
        int card_index;
        std::vector<libusb_transfer *> iso_xfrs;
        int assumed_frame_width = 1280;
+
+       libusb_device_handle *devh = nullptr;
+       uint32_t current_video_input = 0x00000000;  // HDMI/SDI.
+       uint32_t current_audio_input = 0x00000000;  // Embedded.
 };
 
 // Get details for the given video format; returns false if detection was incomplete.