git.sesse.net Git - nageru/blob - fake_capture.h

   1 #ifndef _FAKE_CAPTURE_H
   2 #define _FAKE_CAPTURE_H 1
   3
   4 #include <stdint.h>
   5 #include <functional>
   6 #include <string>
   7
   8 #include "bmusb/bmusb.h"
   9
  10 class FakeCapture : public CaptureInterface
  11 {
  12 public:
  13         FakeCapture(int card_index);
  14         ~FakeCapture();
  15
  16         // CaptureInterface.
  17         void set_video_frame_allocator(FrameAllocator *allocator) override
  18         {
  19                 video_frame_allocator = allocator;
  20                 if (owned_video_frame_allocator.get() != allocator) {
  21                         owned_video_frame_allocator.reset();
  22                 }
  23         }
  24
  25         FrameAllocator *get_video_frame_allocator() override
  26         {
  27                 return video_frame_allocator;
  28         }
  29
  30         // Does not take ownership.
  31         void set_audio_frame_allocator(FrameAllocator *allocator) override
  32         {
  33                 audio_frame_allocator = allocator;
  34                 if (owned_audio_frame_allocator.get() != allocator) {
  35                         owned_audio_frame_allocator.reset();
  36                 }
  37         }
  38
  39         FrameAllocator *get_audio_frame_allocator() override
  40         {
  41                 return audio_frame_allocator;
  42         }
  43
  44         void set_frame_callback(frame_callback_t callback) override
  45         {
  46                 frame_callback = callback;
  47         }
  48
  49         void set_dequeue_thread_callbacks(std::function<void()> init, std::function<void()> cleanup) override
  50         {
  51                 dequeue_init_callback = init;
  52                 dequeue_cleanup_callback = cleanup;
  53                 has_dequeue_callbacks = true;
  54         }
  55
  56         std::string get_description() const override
  57         {
  58                 return description;
  59         }
  60
  61         void configure_card() override;
  62         void start_bm_capture() override;
  63         void stop_dequeue_thread() override;
  64         bool get_disconnected() const override { return false; }
  65
  66         std::map<uint32_t, VideoMode> get_available_video_modes() const override;
  67         void set_video_mode(uint32_t video_mode_id) override;
  68         uint32_t get_current_video_mode() const override { return 0; }
  69
  70         std::map<uint32_t, std::string> get_available_video_inputs() const override;
  71         void set_video_input(uint32_t video_input_id) override;
  72         uint32_t get_current_video_input() const override { return 0; }
  73
  74         std::map<uint32_t, std::string> get_available_audio_inputs() const override;
  75         void set_audio_input(uint32_t audio_input_id) override;
  76         uint32_t get_current_audio_input() const override { return 0; }
  77
  78 private:
  79         void producer_thread_func();
  80
  81         uint8_t y, cb, cr;
  82
  83         bool has_dequeue_callbacks = false;
  84         std::function<void()> dequeue_init_callback = nullptr;
  85         std::function<void()> dequeue_cleanup_callback = nullptr;
  86
  87         FrameAllocator *video_frame_allocator = nullptr;
  88         FrameAllocator *audio_frame_allocator = nullptr;
  89         std::unique_ptr<FrameAllocator> owned_video_frame_allocator;
  90         std::unique_ptr<FrameAllocator> owned_audio_frame_allocator;
  91         frame_callback_t frame_callback = nullptr;
  92
  93         std::string description;
  94
  95         std::atomic<bool> producer_thread_should_quit{false};
  96         std::thread producer_thread;
  97 };
  98
  99 #endif  // !defined(_FAKE_CAPTURE_H)