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-rw-r--r--kms++util/inc/kms++util/videodevice.h86
1 files changed, 86 insertions, 0 deletions
diff --git a/kms++util/inc/kms++util/videodevice.h b/kms++util/inc/kms++util/videodevice.h
new file mode 100644
index 0000000..68e2b01
--- /dev/null
+++ b/kms++util/inc/kms++util/videodevice.h
@@ -0,0 +1,86 @@
+#pragma once
+
+#include <string>
+#include <kms++/kms++.h>
+
+class VideoStreamer;
+
+class VideoDevice
+{
+public:
+ struct VideoFrameSize
+ {
+ uint32_t min_w, max_w, step_w;
+ uint32_t min_h, max_h, step_h;
+ };
+
+ VideoDevice(const std::string& dev);
+ VideoDevice(int fd);
+ ~VideoDevice();
+
+ VideoDevice(const VideoDevice& other) = delete;
+ VideoDevice& operator=(const VideoDevice& other) = delete;
+
+ VideoStreamer* get_capture_streamer();
+ VideoStreamer* get_output_streamer();
+
+ std::vector<std::tuple<uint32_t, uint32_t>> get_discrete_frame_sizes(kms::PixelFormat fmt);
+ VideoFrameSize get_frame_sizes(kms::PixelFormat fmt);
+
+ int fd() const { return m_fd; }
+ bool has_capture() const { return m_has_capture; }
+ bool has_output() const { return m_has_output; }
+ bool has_m2m() const { return m_has_m2m; }
+
+ static std::vector<std::string> get_capture_devices();
+ static std::vector<std::string> get_m2m_devices();
+
+private:
+ int m_fd;
+
+ bool m_has_capture;
+ bool m_has_mplane_capture;
+
+ bool m_has_output;
+ bool m_has_mplane_output;
+
+ bool m_has_m2m;
+ bool m_has_mplane_m2m;
+
+ std::vector<kms::DumbFramebuffer*> m_capture_fbs;
+ std::vector<kms::DumbFramebuffer*> m_output_fbs;
+
+ VideoStreamer* m_capture_streamer;
+ VideoStreamer* m_output_streamer;
+};
+
+class VideoStreamer
+{
+public:
+ enum class StreamerType {
+ CaptureSingle,
+ CaptureMulti,
+ OutputSingle,
+ OutputMulti,
+ };
+
+ VideoStreamer(int fd, StreamerType type);
+
+ std::vector<std::string> get_ports();
+ void set_port(uint32_t index);
+
+ std::vector<kms::PixelFormat> get_formats();
+ void set_format(kms::PixelFormat fmt, uint32_t width, uint32_t height);
+ void set_queue_size(uint32_t queue_size);
+ void queue(kms::DumbFramebuffer* fb);
+ kms::DumbFramebuffer* dequeue();
+ void stream_on();
+ void stream_off();
+
+ int fd() const { return m_fd; }
+
+private:
+ int m_fd;
+ StreamerType m_type;
+ std::vector<kms::DumbFramebuffer*> m_fbs;
+};