99 lines
2.5 KiB
C++
99 lines
2.5 KiB
C++
#pragma once
|
|
|
|
// Utils includes
|
|
#include <utils/ColorBgr.h>
|
|
#include <utils/ColorRgba.h>
|
|
#include <hyperion/Grabber.h>
|
|
#include <grabber/FramebufferFrameGrabber.h>
|
|
|
|
///
|
|
///
|
|
class AmlogicGrabber : public Grabber
|
|
{
|
|
public:
|
|
///
|
|
/// Construct a AmlogicGrabber that will capture snapshots with specified dimensions.
|
|
///
|
|
///
|
|
AmlogicGrabber();
|
|
~AmlogicGrabber() override;
|
|
|
|
///
|
|
/// @brief Setup a new capture screen, will free the previous one
|
|
/// @return True on success, false if no screen is found
|
|
///
|
|
bool setupScreen();
|
|
|
|
///
|
|
/// Captures a single snapshot of the display and writes the data to the given image. The
|
|
/// provided image should have the same dimensions as the configured values (_width and
|
|
/// _height)
|
|
///
|
|
/// @param[out] image The snapped screenshot (should be initialized with correct width and
|
|
/// height)
|
|
/// @return Zero on success else negative
|
|
///
|
|
int grabFrame(Image<ColorRgb> & image);
|
|
|
|
///
|
|
/// @brief Discover AmLogic screens available (for configuration).
|
|
///
|
|
/// @param[in] params Parameters used to overwrite discovery default behaviour
|
|
///
|
|
/// @return A JSON structure holding a list of devices found
|
|
///
|
|
QJsonObject discover(const QJsonObject& params);
|
|
|
|
///
|
|
/// Set the video mode (2D/3D)
|
|
/// @param[in] mode The new video mode
|
|
///
|
|
void setVideoMode(VideoMode mode) override;
|
|
|
|
///
|
|
/// @brief Apply new crop values, on errors reject the values
|
|
///
|
|
void setCropping(int cropLeft, int cropRight, int cropTop, int cropBottom) override;
|
|
|
|
///
|
|
/// @brief Apply new width/height values, on errors (collide with cropping) reject the values
|
|
/// @return True on success else false
|
|
///
|
|
bool setWidthHeight(int width, int height) override;
|
|
|
|
///
|
|
/// @brief Apply new framerate
|
|
/// @param fps framesPerSecond
|
|
///
|
|
bool setFramerate(int fps) override;
|
|
|
|
///
|
|
/// @brief Apply new pixelDecimation
|
|
///
|
|
bool setPixelDecimation(int pixelDecimation) override;
|
|
|
|
private:
|
|
/**
|
|
* Returns true if video is playing over the amlogic chip
|
|
* @return True if video is playing else false
|
|
*/
|
|
bool isVideoPlaying();
|
|
void closeDevice(int &fd);
|
|
bool openDevice(int &fd, const char* dev);
|
|
|
|
int grabFrame_amvideocap(Image<ColorRgb> & image);
|
|
|
|
/** The snapshot/capture device of the amlogic video chip */
|
|
int _captureDev;
|
|
int _videoDev;
|
|
|
|
Image<ColorBgr> _image_bgr;
|
|
void* _image_ptr;
|
|
ssize_t _bytesToRead;
|
|
|
|
int _lastError;
|
|
bool _videoPlaying;
|
|
FramebufferFrameGrabber _fbGrabber;
|
|
int _grabbingModeNotification;
|
|
};
|