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Commit 32292bab authored by Gus Grubba's avatar Gus Grubba Committed by GitHub
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Merge pull request #3991 from dogmaphobic/rtspVideo 

RTSP Video, Android x86 and other fixes.
parents 32cfa15c 49e012ae
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Showing with 743 additions and 524 deletions
QGCCommon.pri
View file @ 32292bab
......@@ -30,12 +30,18 @@ linux {
CONFIG += LinuxBuild
DEFINES += __STDC_LIMIT_MACROS __rasp_pi2__
} else : android-g++ {
message("Android build")
CONFIG += AndroidBuild MobileBuild
DEFINES += __android__
DEFINES += __STDC_LIMIT_MACROS
DEFINES += QGC_ENABLE_BLUETOOTH
target.path = $$DESTDIR
equals(ANDROID_TARGET_ARCH, x86) {
CONFIG += Androidx86Build
DEFINES += __androidx86__
message("Android x86 build")
} else {
message("Android Arm build")
}
} else {
error("Unsuported Linux toolchain, only GCC 32- or 64-bit is supported")
}
......@@ -54,11 +60,11 @@ linux {
DEFINES += __macos__
CONFIG += x86_64
CONFIG -= x86
equals(QT_MAJOR_VERSION, 5) | greaterThan(QT_MINOR_VERSION, 5) {
QMAKE_MACOSX_DEPLOYMENT_TARGET = 10.7
} else {
QMAKE_MACOSX_DEPLOYMENT_TARGET = 10.6
}
equals(QT_MAJOR_VERSION, 5) | greaterThan(QT_MINOR_VERSION, 5) {
QMAKE_MACOSX_DEPLOYMENT_TARGET = 10.7
} else {
QMAKE_MACOSX_DEPLOYMENT_TARGET = 10.6
}
QMAKE_MAC_SDK = macosx10.11
QMAKE_CXXFLAGS += -fvisibility=hidden
} else {
......
qgroundcontrol.pro
View file @ 32292bab
......@@ -46,6 +46,15 @@ contains (DEFINES, QGC_DISABLE_BLUETOOTH) {
DEFINES += QGC_ENABLE_BLUETOOTH
}
# USB Camera and UVC Video Sources
contains (DEFINES, QGC_DISABLE_UVC) {
message("Skipping support for UVC devices (manual override from command line)")
DEFINES -= QGC_DISABLE_UVC
} else:exists(user_config.pri):infile(user_config.pri, DEFINES, QGC_DISABLE_UVC) {
message("Skipping support for UVC devices (manual override from user_config.pri)")
DEFINES -= QGC_DISABLE_UVC
}
LinuxBuild {
CONFIG += link_pkgconfig
}
......
qgroundcontrol.qrc
View file @ 32292bab
......@@ -15,6 +15,8 @@
<file alias="LogDownload.qml">src/ViewWidgets/LogDownload.qml</file>
<file alias="FirmwareUpgrade.qml">src/VehicleSetup/FirmwareUpgrade.qml</file>
<file alias="FlightDisplayView.qml">src/FlightDisplay/FlightDisplayView.qml</file>
<file alias="FlightDisplayViewUVC.qml">src/FlightDisplay/FlightDisplayViewUVC.qml</file>
<file alias="FlightDisplayViewDummy.qml">src/FlightDisplay/FlightDisplayViewDummy.qml</file>
<file alias="PX4FlightModes.qml">src/AutoPilotPlugins/PX4/PX4FlightModes.qml</file>
<file alias="PX4AdvancedFlightModes.qml">src/AutoPilotPlugins/PX4/PX4AdvancedFlightModes.qml</file>
<file alias="PX4SimpleFlightModes.qml">src/AutoPilotPlugins/PX4/PX4SimpleFlightModes.qml</file>
......
src/FlightDisplay/FlightDisplayView.qml
View file @ 32292bab
......@@ -184,34 +184,17 @@ QGCView {
}
}
]
//-- UDP Video Streaming
//-- Video Streaming
FlightDisplayViewVideo {
anchors.fill: parent
visible: QGroundControl.videoManager.isGStreamer
}
//-- UVC Video (USB Camera or Video Device)
Rectangle {
id: noVideo
Loader {
id: cameraLoader
anchors.fill: parent
color: Qt.rgba(0,0,0,0.75)
visible: !QGroundControl.videoManager.isGStreamer
Camera {
id: camera
deviceId: QGroundControl.videoManager.videoSourceID
captureMode: Camera.CaptureViewfinder
}
VideoOutput {
id: viewFinder
source: camera
anchors.fill: parent
visible: !QGroundControl.videoManager.isGStreamer
}
onVisibleChanged: {
if(visible)
camera.start()
else
camera.stop()
}
source: QGroundControl.videoManager.uvcEnabled ? "qrc:/qml/FlightDisplayViewUVC.qml" : "qrc:/qml/FlightDisplayViewDummy.qml"
}
}
......
src/FlightDisplay/FlightDisplayViewDummy.qml 0 → 100644
View file @ 32292bab
/****************************************************************************
*
* (c) 2009-2016 QGROUNDCONTROL PROJECT <http://www.qgroundcontrol.org>
*
* QGroundControl is licensed according to the terms in the file
* COPYING.md in the root of the source code directory.
*
****************************************************************************/
import QtQuick 2.5
Rectangle {
anchors.fill: parent
color: Qt.rgba(0,0,0,0.75)
}
src/FlightDisplay/FlightDisplayViewUVC.qml 0 → 100644
View file @ 32292bab
/****************************************************************************
*
* (c) 2009-2016 QGROUNDCONTROL PROJECT <http://www.qgroundcontrol.org>
*
* QGroundControl is licensed according to the terms in the file
* COPYING.md in the root of the source code directory.
*
****************************************************************************/
import QtQuick 2.5
import QtMultimedia 5.5
import QGroundControl 1.0
Rectangle {
anchors.fill: parent
color: Qt.rgba(0,0,0,0.75)
Camera {
id: camera
deviceId: QGroundControl.videoManager.videoSourceID
captureMode: Camera.CaptureViewfinder
}
VideoOutput {
source: camera
anchors.fill: parent
fillMode: VideoOutput.PreserveAspectCrop
visible: !QGroundControl.videoManager.isGStreamer
}
onVisibleChanged: {
if(visible)
camera.start()
else
camera.stop()
}
}
src/FlightDisplay/FlightDisplayViewVideo.qml
View file @ 32292bab
......@@ -41,7 +41,6 @@ Item {
display: QGroundControl.videoManager.videoSurface
receiver: QGroundControl.videoManager.videoReceiver
visible: QGroundControl.videoManager.videoRunning
runVideo: true
/* TODO: Come up with a way to make this an option
QGCAttitudeHUD {
id: attitudeHUD
......
src/FlightDisplay/VideoManager.cc
View file @ 32292bab
......@@ -19,51 +19,36 @@
#include "VideoManager.h"
static const char* kVideoSourceKey = "VideoSource";
static const char* kGStreamerSource = "UDP Video Stream";
static const char* kVideoUDPPortKey = "VideoUDPPort";
static const char* kVideoRTSPUrlKey = "VideoRTSPUrl";
static const char* kUDPStream = "UDP Video Stream";
#if defined(QGC_GST_STREAMING)
static const char* kRTSPStream = "RTSP Video Stream";
#endif
static const char* kNoVideo = "No Video Available";
QGC_LOGGING_CATEGORY(VideoManagerLog, "VideoManagerLog")
//-----------------------------------------------------------------------------
VideoManager::VideoManager(QGCApplication* app)
: QGCTool(app)
, _videoSurface(NULL)
, _videoReceiver(NULL)
, _videoRunning(false)
, _udpPort(5600) //-- Defalut Port 5600 == Solo UDP Port
, _init(false)
{
/*
* This is the receiving end of an UDP RTP stream. The sender can be setup with this command:
*
* gst-launch-1.0 uvch264src initial-bitrate=1000000 average-bitrate=1000000 iframe-period=1000 name=src auto-start=true src.vidsrc ! \
* video/x-h264,width=1280,height=720,framerate=24/1 ! h264parse ! rtph264pay ! udpsink host=192.168.1.9 port=5600
*
* Where the main parameters are:
*
* uvch264src: Your h264 video source (the example above uses a Logitech C920 on an Raspberry PI 2+ or Odroid C1
* host=192.168.1.9 This is the IP address of QGC. You can use Avahi/Zeroconf to find QGC using the "_qgroundcontrol._udp" service.
*
* Advanced settings (you should probably read the gstreamer documentation before changing these):
*
* initial-bitrate=1000000 average-bitrate=1000000
* The bit rate to use. The greater, the better quality at the cost of higher bandwidth.
*
* width=1280,height=720,framerate=24/1
* The video resolution and frame rate. This depends on the camera used.
*
* iframe-period=1000
* Interval between iFrames. The greater the interval the lesser bandwidth at the cost of a longer time to recover from lost packets.
*
* Do not change anything else unless you know what you are doing. Any other change will require a matching change on the receiving end.
*
*/
_videoSurface = new VideoSurface;
_videoReceiver = new VideoReceiver(this);
_videoReceiver->setUri(QLatin1Literal("udp://0.0.0.0:5600")); // Port 5600=Solo UDP port, if you change it, you will break Solo video support
//-- Get saved settings
QSettings settings;
setVideoSource(settings.value(kVideoSourceKey, kUDPStream).toString());
setUdpPort(settings.value(kVideoUDPPortKey, 5600).toUInt());
setRtspURL(settings.value(kVideoRTSPUrlKey, "rtsp://192.168.42.1:554/live").toString()); //-- Example RTSP URL
_init = true;
#if defined(QGC_GST_STREAMING)
_videoReceiver->setVideoSink(_videoSurface->videoSink());
_updateVideo();
connect(&_frameTimer, &QTimer::timeout, this, &VideoManager::_updateTimer);
_frameTimer.start(1000);
#endif
//-- Get saved video source
QSettings settings;
setVideoSource(settings.value(kVideoSourceKey, kGStreamerSource).toString());
}
//-----------------------------------------------------------------------------
......@@ -96,20 +81,32 @@ bool
VideoManager::isGStreamer()
{
#if defined(QGC_GST_STREAMING)
return _videoSource == kGStreamerSource;
return _videoSource == kUDPStream || _videoSource == kRTSPStream;
#else
return false;
#endif
}
//-----------------------------------------------------------------------------
#ifndef QGC_DISABLE_UVC
bool
VideoManager::uvcEnabled()
{
return QCameraInfo::availableCameras().count() > 0;
}
#endif
//-----------------------------------------------------------------------------
void
VideoManager::setVideoSource(QString vSource)
{
if(vSource == kNoVideo)
return;
_videoSource = vSource;
QSettings settings;
settings.setValue(kVideoSourceKey, vSource);
emit videoSourceChanged();
#ifndef QGC_DISABLE_UVC
QList<QCameraInfo> cameras = QCameraInfo::availableCameras();
foreach (const QCameraInfo &cameraInfo, cameras) {
if(cameraInfo.description() == vSource) {
......@@ -119,8 +116,51 @@ VideoManager::setVideoSource(QString vSource)
break;
}
}
#endif
emit isGStreamerChanged();
qCDebug(VideoManagerLog) << "New Video Source:" << vSource;
/*
* Not working. Requires restart for now. (Undef KRTSP/kUDP above when enabling this)
if(isGStreamer())
_updateVideo();
*/
if(_videoReceiver) {
if(isGStreamer()) {
_videoReceiver->start();
} else {
_videoReceiver->stop();
}
}
}
//-----------------------------------------------------------------------------
void
VideoManager::setUdpPort(quint16 port)
{
_udpPort = port;
QSettings settings;
settings.setValue(kVideoUDPPortKey, port);
emit udpPortChanged();
/*
* Not working. Requires restart for now. (Undef KRTSP/kUDP above when enabling this)
if(_videoSource == kUDPStream)
_updateVideo();
*/
}
//-----------------------------------------------------------------------------
void
VideoManager::setRtspURL(QString url)
{
_rtspURL = url;
QSettings settings;
settings.setValue(kVideoRTSPUrlKey, url);
emit rtspURLChanged();
/*
* Not working. Requires restart for now. (Undef KRTSP/kUDP above when enabling this)
if(_videoSource == kRTSPStream)
_updateVideo();
*/
}
//-----------------------------------------------------------------------------
......@@ -129,20 +169,25 @@ VideoManager::videoSourceList()
{
_videoSourceList.clear();
#if defined(QGC_GST_STREAMING)
_videoSourceList.append(kGStreamerSource);
_videoSourceList.append(kUDPStream);
_videoSourceList.append(kRTSPStream);
#endif
#ifndef QGC_DISABLE_UVC
QList<QCameraInfo> cameras = QCameraInfo::availableCameras();
foreach (const QCameraInfo &cameraInfo, cameras) {
qCDebug(VideoManagerLog) << "UVC Video source ID:" << cameraInfo.deviceName() << " Name:" << cameraInfo.description();
_videoSourceList.append(cameraInfo.description());
}
#endif
if(_videoSourceList.count() == 0)
_videoSourceList.append(kNoVideo);
return _videoSourceList;
}
//-----------------------------------------------------------------------------
#if defined(QGC_GST_STREAMING)
void VideoManager::_updateTimer(void)
void VideoManager::_updateTimer()
{
#if defined(QGC_GST_STREAMING)
if(_videoRunning)
{
time_t elapsed = 0;
......@@ -150,7 +195,7 @@ void VideoManager::_updateTimer(void)
{
elapsed = time(0) - _videoSurface->lastFrame();
}
if(elapsed > 2)
if(elapsed > 2 && _videoSurface)
{
_videoRunning = false;
_videoSurface->setLastFrame(0);
......@@ -167,5 +212,26 @@ void VideoManager::_updateTimer(void)
}
}
}
}
#endif
}
//-----------------------------------------------------------------------------
void VideoManager::_updateVideo()
{
if(_init) {
if(_videoReceiver)
delete _videoReceiver;
if(_videoSurface)
delete _videoSurface;
_videoSurface = new VideoSurface;
_videoReceiver = new VideoReceiver(this);
#if defined(QGC_GST_STREAMING)
_videoReceiver->setVideoSink(_videoSurface->videoSink());
if(_videoSource == kUDPStream)
_videoReceiver->setUri(QStringLiteral("udp://0.0.0.0:%1").arg(_udpPort));
else
_videoReceiver->setUri(_rtspURL);
#endif
_videoReceiver->start();
}
}
src/FlightDisplay/VideoManager.h
View file @ 32292bab
......@@ -35,6 +35,9 @@ public:
Q_PROPERTY(QString videoSource READ videoSource WRITE setVideoSource NOTIFY videoSourceChanged)
Q_PROPERTY(QStringList videoSourceList READ videoSourceList NOTIFY videoSourceListChanged)
Q_PROPERTY(bool videoRunning READ videoRunning NOTIFY videoRunningChanged)
Q_PROPERTY(quint16 udpPort READ udpPort WRITE setUdpPort NOTIFY udpPortChanged)
Q_PROPERTY(QString rtspURL READ rtspURL WRITE setRtspURL NOTIFY rtspURLChanged)
Q_PROPERTY(bool uvcEnabled READ uvcEnabled CONSTANT)
Q_PROPERTY(VideoSurface* videoSurface MEMBER _videoSurface CONSTANT)
Q_PROPERTY(VideoReceiver* videoReceiver MEMBER _videoReceiver CONSTANT)
......@@ -44,7 +47,18 @@ public:
QString videoSourceID () { return _videoSourceID; }
QString videoSource () { return _videoSource; }
QStringList videoSourceList ();
quint16 udpPort () { return _udpPort; }
QString rtspURL () { return _rtspURL; }
#if defined(QGC_DISABLE_UVC)
bool uvcEnabled () { return false; }
#else
bool uvcEnabled ();
#endif
void setVideoSource (QString vSource);
void setUdpPort (quint16 port);
void setRtspURL (QString url);
// Override from QGCTool
void setToolbox (QGCToolbox *toolbox);
......@@ -56,9 +70,12 @@ signals:
void videoSourceListChanged ();
void isGStreamerChanged ();
void videoSourceIDChanged ();
void udpPortChanged ();
void rtspURLChanged ();
private:
void _updateTimer(void);
void _updateTimer ();
void _updateVideo ();
private:
VideoSurface* _videoSurface;
......@@ -70,6 +87,9 @@ private:
QString _videoSource;
QString _videoSourceID;
QStringList _videoSourceList;
quint16 _udpPort;
QString _rtspURL;
bool _init;
};
#endif
src/FlightMap/QGCVideoBackground.qml
View file @ 32292bab
......@@ -22,20 +22,5 @@ VideoItem {
id: videoBackground
property var display
property var receiver
property var runVideo: false
surface: display
onRunVideoChanged: {
if(videoBackground.receiver && videoBackground.display) {
if(videoBackground.runVideo) {
videoBackground.receiver.start();
} else {
videoBackground.receiver.stop();
}
}
}
Component.onCompleted: {
if(videoBackground.runVideo && videoBackground.receiver) {
videoBackground.receiver.start();
}
}
}
src/VideoStreaming/VideoReceiver.cc
View file @ 32292bab
......@@ -49,6 +49,23 @@ void VideoReceiver::setVideoSink(GstElement* sink)
}
#endif
#if defined(QGC_GST_STREAMING)
static void newPadCB(GstElement * element, GstPad* pad, gpointer data)
{
gchar *name;
name = gst_pad_get_name(pad);
g_print("A new pad %s was created\n", name);
GstCaps * p_caps = gst_pad_get_pad_template_caps (pad);
gchar * description = gst_caps_to_string(p_caps);
qDebug() << p_caps << ", " << description;
g_free(description);
GstElement * p_rtph264depay = GST_ELEMENT(data);
if(gst_element_link_pads(element, name, p_rtph264depay, "sink") == false)
qCritical() << "newPadCB : failed to link elements\n";
g_free(name);
}
#endif
void VideoReceiver::start()
{
#if defined(QGC_GST_STREAMING)
......@@ -56,7 +73,6 @@ void VideoReceiver::start()
qCritical() << "VideoReceiver::start() failed because URI is not specified";
return;
}
if (_videoSink == NULL) {
qCritical() << "VideoReceiver::start() failed because video sink is not set";
return;
......@@ -72,29 +88,44 @@ void VideoReceiver::start()
GstElement* parser = NULL;
GstElement* decoder = NULL;
bool isUdp = _uri.contains("udp://");
do {
if ((_pipeline = gst_pipeline_new("receiver")) == NULL) {
qCritical() << "VideoReceiver::start() failed. Error with gst_pipeline_new()";
break;
}
if ((dataSource = gst_element_factory_make("udpsrc", "udp-source")) == NULL) {
qCritical() << "VideoReceiver::start() failed. Error with gst_element_factory_make('udpsrc')";
break;
if(isUdp) {
dataSource = gst_element_factory_make("udpsrc", "udp-source");
} else {
dataSource = gst_element_factory_make("rtspsrc", "rtsp-source");
}
if ((caps = gst_caps_from_string("application/x-rtp, media=(string)video, clock-rate=(int)90000, encoding-name=(string)H264")) == NULL) {
qCritical() << "VideoReceiver::start() failed. Error with gst_caps_from_string()";
if (!dataSource) {
qCritical() << "VideoReceiver::start() failed. Error with data source for gst_element_factory_make()";
break;
}
g_object_set(G_OBJECT(dataSource), "uri", qPrintable(_uri), "caps", caps, NULL);
if(isUdp) {
if ((caps = gst_caps_from_string("application/x-rtp, media=(string)video, clock-rate=(int)90000, encoding-name=(string)H264")) == NULL) {
qCritical() << "VideoReceiver::start() failed. Error with gst_caps_from_string()";
break;
}
g_object_set(G_OBJECT(dataSource), "uri", qPrintable(_uri), "caps", caps, NULL);
} else {
g_object_set(G_OBJECT(dataSource), "location", qPrintable(_uri), "latency", 0, NULL);
}
if ((demux = gst_element_factory_make("rtph264depay", "rtp-h264-depacketizer")) == NULL) {
qCritical() << "VideoReceiver::start() failed. Error with gst_element_factory_make('rtph264depay')";
break;
}
if(!isUdp) {
g_signal_connect(dataSource, "pad-added", G_CALLBACK(newPadCB), demux);
}
if ((parser = gst_element_factory_make("h264parse", "h264-parser")) == NULL) {
qCritical() << "VideoReceiver::start() failed. Error with gst_element_factory_make('h264parse')";
break;
......@@ -107,7 +138,15 @@ void VideoReceiver::start()
gst_bin_add_many(GST_BIN(_pipeline), dataSource, demux, parser, decoder, _videoSink, NULL);
if (gst_element_link_many(dataSource, demux, parser, decoder, _videoSink, NULL) != (gboolean)TRUE) {
gboolean res = FALSE;
if(isUdp) {
res = gst_element_link_many(dataSource, demux, parser, decoder, _videoSink, NULL);
} else {
res = gst_element_link_many(demux, parser, decoder, _videoSink, NULL);
}
if (!res) {
qCritical() << "VideoReceiver::start() failed. Error with gst_element_link_many()";
break;
}
......
src/VideoStreaming/VideoStreaming.pri
View file @ 32292bab
......@@ -73,8 +73,12 @@ LinuxBuild {
QMAKE_POST_LINK += $$escape_expand(\\n) xcopy \"$$GST_ROOT_WIN\\lib\\gstreamer-1.0\\validate\\*.dll\" \"$$DESTDIR_WIN\\gstreamer-plugins\\validate\\\" /Y $$escape_expand(\\n)
}
} else:AndroidBuild {
#- gstreamer assumed to be installed in $$PWD/../../android/gstreamer-1.0-android-armv7-1.5.2
GST_ROOT = $$PWD/../../gstreamer-1.0-android-armv7-1.5.2
#- gstreamer assumed to be installed in $$PWD/../../android/gstreamer-1.0-android-armv7-1.5.2 (or x86)
Androidx86Build {
GST_ROOT = $$PWD/../../gstreamer-1.0-android-x86-1.5.2
} else {
GST_ROOT = $$PWD/../../gstreamer-1.0-android-armv7-1.5.2
}
exists($$GST_ROOT) {
QMAKE_CXXFLAGS += -pthread
CONFIG += VideoEnabled
......
src/VideoStreaming/VideoSurface.cc
View file @ 32292bab
......@@ -27,6 +27,7 @@ VideoSurface::VideoSurface(QObject *parent)
#if defined(QGC_GST_STREAMING)
, _data(new VideoSurfacePrivate)
, _lastFrame(0)
, _refed(false)
#endif
{
}
......@@ -34,7 +35,7 @@ VideoSurface::VideoSurface(QObject *parent)
VideoSurface::~VideoSurface()
{
#if defined(QGC_GST_STREAMING)
if (_data->videoSink != NULL) {
if (!_refed && _data->videoSink != NULL) {
gst_element_set_state(_data->videoSink, GST_STATE_NULL);
}
delete _data;
......@@ -42,7 +43,7 @@ VideoSurface::~VideoSurface()
}
#if defined(QGC_GST_STREAMING)
GstElement* VideoSurface::videoSink() const
GstElement* VideoSurface::videoSink()
{
if (_data->videoSink == NULL) {
if ((_data->videoSink = gst_element_factory_make("qtquick2videosink", NULL)) == NULL) {
......@@ -50,6 +51,7 @@ GstElement* VideoSurface::videoSink() const
return NULL;
}
g_signal_connect(_data->videoSink, "update", G_CALLBACK(onUpdateThunk), (void* )this);
_refed = true;
}
return _data->videoSink;
}
......
src/VideoStreaming/VideoSurface.h
View file @ 32292bab
......@@ -40,7 +40,7 @@ public:
* is called. The surface will always keep a reference to this element.
*/
#if defined(QGC_GST_STREAMING)
GstElement* videoSink() const;
GstElement* videoSink();
time_t lastFrame() { return _lastFrame; }
void setLastFrame(time_t t) { _lastFrame = t; }
#endif
......@@ -55,7 +55,8 @@ private:
friend class VideoItem;
#if defined(QGC_GST_STREAMING)
VideoSurfacePrivate * const _data;
time_t _lastFrame;
time_t _lastFrame;
bool _refed;
#endif
};
......
src/VideoStreaming/gstqtvideosink/gstqtvideosinkplugin.cpp
View file @ 32292bab
......@@ -27,7 +27,7 @@
#include "gstqwidgetvideosink.h"
#define PACKAGE "mini-qt-gstreamer"
#define PACKAGE_NAME "QgcQtGStreamer"
#define PACKAGE_NAME "QgcQtGStreamer"
#define PACKAGE_ORIGIN "http://gstreamer.freedesktop.org/"
#define PACKAGE_VERSION "1.2.0"
......@@ -44,7 +44,7 @@ static gboolean plugin_init(GstPlugin *plugin)
G_STRINGIFY(QGC_VIDEOSINK_PLUGIN), 0,
"Debug category for GstQtVideoSink");
if(!gst_element_register(plugin, G_STRINGIFY(QGC_VIDEOSINK_PLUGIN),
if(!gst_element_register(plugin, G_STRINGIFY(QGC_VIDEOSINK_PLUGIN),
GST_RANK_NONE, GST_TYPE_QT_VIDEO_SINK)) {
GST_ERROR("Failed to register " G_STRINGIFY(QGC_VIDEOSINK_PLUGIN));
return FALSE;
......
src/ui/preferences/GeneralSettings.qml
View file @ 32292bab
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