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Refactor V4L2 grabber (part 1) (#62)

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This commit is contained in:
Paulchen Panther
2021-02-05 21:52:02 +01:00
committed by GitHub
parent c5a2b808cd
commit c5065e76b5
10 changed files with 211 additions and 91 deletions
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1
include/grabber/MFGrabber.h
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@@ -61,6 +61,7 @@ public:
bool getCecDetectionEnabled() const { return _cecDetectionEnabled; }
QStringList getDevices() const override;
QString getDeviceName(const QString& devicePath) const override { return devicePath; }
QMultiMap<QString, int> getDeviceInputs(const QString& devicePath) const override { return {{ devicePath, 0}}; }
QStringList getAvailableEncodingFormats(const QString& devicePath, const int& /*deviceInput*/) const override;
QStringList getAvailableDeviceResolutions(const QString& devicePath, const int& /*deviceInput*/, const PixelFormat& encFormat) const override;
QStringList getAvailableDeviceFramerates(const QString& devicePath, const int& /*deviceInput*/, const PixelFormat& encFormat, const unsigned width, const unsigned height) const override;

38
include/grabber/V4L2Grabber.h
View File

@@ -35,9 +35,10 @@
#include <turbojpeg.h>
#endif
///
/// Capture class for V4L2 devices
///
/// @see http://linuxtv.org/downloads/v4l-dvb-apis/capture-example.html
class V4L2Grabber : public Grabber
{
Q_OBJECT
@@ -45,10 +46,19 @@ class V4L2Grabber : public Grabber
public:
struct DeviceProperties
{
QString name = QString();
QMultiMap<QString, int> inputs = QMultiMap<QString, int>();
QStringList resolutions = QStringList();
QStringList framerates = QStringList();
QString name = QString();
struct InputProperties
{
QString inputName = QString();
struct EncodingProperties
{
unsigned int width = 0;
unsigned int height = 0;
QList<int> framerates = QList<int>();
};
QMultiMap<PixelFormat, EncodingProperties> encodingFormats = QMultiMap<PixelFormat, EncodingProperties>();
};
QMap<int, InputProperties> inputs = QMap<int, InputProperties>();
};
V4L2Grabber(const QString & device, const unsigned width, const unsigned height, const unsigned fps, const unsigned input, VideoStandard videoStandard, PixelFormat pixelFormat, int pixelDecimation);
@@ -120,27 +130,33 @@ public:
///
/// @brief overwrite Grabber.h implementation
///
QStringList getV4L2devices() const override;
QStringList getDevices() const override;
///
/// @brief overwrite Grabber.h implementation
///
QString getV4L2deviceName(const QString& devicePath) const override;
QString getDeviceName(const QString& devicePath) const override;
///
/// @brief overwrite Grabber.h implementation
///
QMultiMap<QString, int> getV4L2deviceInputs(const QString& devicePath) const override;
QMultiMap<QString, int> getDeviceInputs(const QString& devicePath) const override;
///
/// @brief overwrite Grabber.h implementation
///
QStringList getResolutions(const QString& devicePath) const override;
QStringList getAvailableEncodingFormats(const QString& devicePath, const int& deviceInput) const override;
///
/// @brief overwrite Grabber.h implementation
///
QStringList getFramerates(const QString& devicePath) const override;
QMultiMap<int, int> getAvailableDeviceResolutions(const QString& devicePath, const int& deviceInput, const PixelFormat& encFormat) const override;
///
/// @brief overwrite Grabber.h implementation
///
QStringList getAvailableDeviceFramerates(const QString& devicePath, const int& deviceInput, const PixelFormat& encFormat, const unsigned width, const unsigned height) const override;
public slots:
@@ -275,5 +291,5 @@ private:
bool _deviceAutoDiscoverEnabled;
protected:
void enumFrameIntervals(QStringList &framerates, int fileDescriptor, int pixelformat, int width, int height);
void enumFrameIntervals(QList<int> &framerates, int fileDescriptor, int pixelformat, int width, int height);
};