1 #pragma once 2 3 #include <string> 4 #include <kms++/kms++.h> 5 6 class VideoStreamer; 7 8 class VideoDevice 9 { 10 public: 11 struct VideoFrameSize 12 { 13 uint32_t min_w, max_w, step_w; 14 uint32_t min_h, max_h, step_h; 15 }; 16 17 VideoDevice(const std::string& dev); 18 VideoDevice(int fd); 19 ~VideoDevice(); 20 21 VideoDevice(const VideoDevice& other) = delete; 22 VideoDevice& operator=(const VideoDevice& other) = delete; 23 24 VideoStreamer* get_capture_streamer(); 25 VideoStreamer* get_output_streamer(); 26 27 std::vector<std::tuple<uint32_t, uint32_t>> get_discrete_frame_sizes(kms::PixelFormat fmt); 28 VideoFrameSize get_frame_sizes(kms::PixelFormat fmt); 29 30 int fd() const { return m_fd; } 31 bool has_capture() const { return m_has_capture; } 32 bool has_output() const { return m_has_output; } 33 bool has_m2m() const { return m_has_m2m; } 34 35 static std::vector<std::string> get_capture_devices(); 36 static std::vector<std::string> get_m2m_devices(); 37 38 private: 39 int m_fd; 40 41 bool m_has_capture; 42 bool m_has_mplane_capture; 43 44 bool m_has_output; 45 bool m_has_mplane_output; 46 47 bool m_has_m2m; 48 bool m_has_mplane_m2m; 49 50 std::vector<kms::DumbFramebuffer*> m_capture_fbs; 51 std::vector<kms::DumbFramebuffer*> m_output_fbs; 52 53 VideoStreamer* m_capture_streamer; 54 VideoStreamer* m_output_streamer; 55 }; 56 57 class VideoStreamer 58 { 59 public: 60 enum class StreamerType { 61 CaptureSingle, 62 CaptureMulti, 63 OutputSingle, 64 OutputMulti, 65 }; 66 67 VideoStreamer(int fd, StreamerType type); 68 69 std::vector<std::string> get_ports(); 70 void set_port(uint32_t index); 71 72 std::vector<kms::PixelFormat> get_formats(); 73 void set_format(kms::PixelFormat fmt, uint32_t width, uint32_t height); 74 void set_queue_size(uint32_t queue_size); 75 void queue(kms::DumbFramebuffer* fb); 76 kms::DumbFramebuffer* dequeue(); 77 void stream_on(); 78 void stream_off(); 79 80 int fd() const { return m_fd; } 81 82 private: 83 int m_fd; 84 StreamerType m_type; 85 std::vector<kms::DumbFramebuffer*> m_fbs; 86 }; 87
