GStreamer.h

Go to the documentation of this file.

#pragma once
 
#include <QtCore/QByteArray>
#include <QtCore/qcontainerfwd.h>
 
#include "GStreamerEnvironment.h"
 
class Fact;
class QObject;
class QQuickItem;
class QQuickWindow;
class QVideoSink;
class VideoReceiver;
 
namespace GStreamer {
 
enum VideoDecoderOptions : int
{
    ForceVideoDecoderDefault = 0,
    ForceVideoDecoderSoftware,
    ForceVideoDecoderNVIDIA,
    ForceVideoDecoderVAAPI,
    ForceVideoDecoderDirectX3D,
    ForceVideoDecoderVideoToolbox,
    ForceVideoDecoderIntel,
    ForceVideoDecoderVulkan,
    ForceVideoDecoderHardware
};
 
struct VideoSinkConfig
{
    QByteArray conversionElement;
    bool disablePixelAspectRatio = false;
    bool gpuZeroCopy = false;
};
 
bool completeInit();
void setDebugLevel(int level);
void* createVideoSink(const VideoSinkConfig& config);
void releaseVideoSink(void* sink);
VideoReceiver* createVideoReceiver(QObject* parent = nullptr);
 
bool setupQVideoSinkElement(void* sinkBin, QVideoSink* videoSink, QObject* controllerParent);
 
QList<VideoDecoderOptions> availableDecoderFamilies();
 
// Process/runtime lifecycle. Reached only through VideoBackend, which is the layer that
// no-ops these for the QtMultimedia build; this header is included solely under QGC_GST_STREAMING.
Environment::ValidationResult prepareEnvironment();
bool initialize(const QStringList& arguments, const Environment::ValidationResult& envResult);
void attachAppSink(QObject* receiver, void* sink, QQuickItem* widget);
void bindDebugLevelFact(Fact* fact, QObject* context);
void onMainWindowReady(QQuickWindow* window);
 
}  // namespace GStreamer