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/****************************************************************************
*
* (c) 2009-2020 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.
*
****************************************************************************/
/**
* @file
* @brief QGC Video Streaming Initialization
* @author Gus Grubba <gus@auterion.com>
*/
#include <QDebug>
#include "GStreamer.h"
#include "GstVideoReceiver.h"
QGC_LOGGING_CATEGORY(GStreamerLog, "GStreamerLog")
static void qt_gst_log(GstDebugCategory * category,
GstDebugLevel level,
const gchar * file,
const gchar * function,
gint line,
GObject * object,
GstDebugMessage * message,
gpointer data)
{
Q_UNUSED(data);
if (level > gst_debug_category_get_threshold(category)) {
return;
}
QMessageLogger log(file, line, function);
char* object_info = gst_info_strdup_printf("%" GST_PTR_FORMAT, static_cast<void*>(object));
switch (level) {
default:
case GST_LEVEL_ERROR:
log.critical(GStreamerLog, "%s %s", object_info, gst_debug_message_get(message));
break;
case GST_LEVEL_WARNING:
log.warning(GStreamerLog, "%s %s", object_info, gst_debug_message_get(message));
break;
case GST_LEVEL_FIXME:
case GST_LEVEL_INFO:
log.info(GStreamerLog, "%s %s", object_info, gst_debug_message_get(message));
break;
case GST_LEVEL_DEBUG:
case GST_LEVEL_LOG:
case GST_LEVEL_TRACE:
case GST_LEVEL_MEMDUMP:
log.debug(GStreamerLog, "%s %s", object_info, gst_debug_message_get(message));
break;
}
g_free(object_info);
object_info = nullptr;
}
#if defined(__ios__)
#include "gst_ios_init.h"
#endif
#include "VideoReceiver.h"
G_BEGIN_DECLS
// The static plugins we use
#if defined(__android__) || defined(__ios__)
GST_PLUGIN_STATIC_DECLARE(coreelements);
GST_PLUGIN_STATIC_DECLARE(playback);
GST_PLUGIN_STATIC_DECLARE(libav);
GST_PLUGIN_STATIC_DECLARE(rtp);
GST_PLUGIN_STATIC_DECLARE(rtsp);
GST_PLUGIN_STATIC_DECLARE(udp);
GST_PLUGIN_STATIC_DECLARE(videoparsersbad);
GST_PLUGIN_STATIC_DECLARE(x264);
GST_PLUGIN_STATIC_DECLARE(rtpmanager);
GST_PLUGIN_STATIC_DECLARE(isomp4);
GST_PLUGIN_STATIC_DECLARE(matroska);
GST_PLUGIN_STATIC_DECLARE(mpegtsdemux);
GST_PLUGIN_STATIC_DECLARE(opengl);
GST_PLUGIN_STATIC_DECLARE(tcp);
#if defined(__android__)
GST_PLUGIN_STATIC_DECLARE(androidmedia);
#elif defined(__ios__)
GST_PLUGIN_STATIC_DECLARE(applemedia);
#endif
#endif
GST_PLUGIN_STATIC_DECLARE(qmlgl);
GST_PLUGIN_STATIC_DECLARE(qgc);
G_END_DECLS
#if (defined(Q_OS_MAC) && defined(QGC_INSTALL_RELEASE)) || defined(Q_OS_WIN)
static void qgcputenv(const QString& key, const QString& root, const QString& path)
{
QString value = root + path;
qputenv(key.toStdString().c_str(), QByteArray(value.toStdString().c_str()));
}
#endif
static void
blacklist()
{
GstRegistry* reg;
if ((reg = gst_registry_get()) == nullptr) {
return;
}
GstPluginFeature* plugin;
if ((plugin = gst_registry_lookup_feature(reg, "bcmdec")) != nullptr) {
qCCritical(GStreamerLog) << "Disable bcmdec";
gst_plugin_feature_set_rank(plugin, GST_RANK_NONE);
}
}
void
GStreamer::initialize(int argc, char* argv[], int debuglevel)
{
qRegisterMetaType<VideoReceiver::STATUS>("STATUS");
#ifdef Q_OS_MAC
#ifdef QGC_INSTALL_RELEASE
QString currentDir = QCoreApplication::applicationDirPath();
qgcputenv("GST_PLUGIN_SCANNER", currentDir, "/../Frameworks/GStreamer.framework/Versions/1.0/libexec/gstreamer-1.0/gst-plugin-scanner");
qgcputenv("GTK_PATH", currentDir, "/../Frameworks/GStreamer.framework/Versions/Current");
qgcputenv("GIO_EXTRA_MODULES", currentDir, "/../Frameworks/GStreamer.framework/Versions/Current/lib/gio/modules");
qgcputenv("GST_PLUGIN_SYSTEM_PATH_1_0", currentDir, "/../Frameworks/GStreamer.framework/Versions/Current/lib/gstreamer-1.0");
qgcputenv("GST_PLUGIN_SYSTEM_PATH", currentDir, "/../Frameworks/GStreamer.framework/Versions/Current/lib/gstreamer-1.0");
qgcputenv("GST_PLUGIN_PATH_1_0", currentDir, "/../Frameworks/GStreamer.framework/Versions/Current/lib/gstreamer-1.0");
qgcputenv("GST_PLUGIN_PATH", currentDir, "/../Frameworks/GStreamer.framework/Versions/Current/lib/gstreamer-1.0");
#endif
#elif defined(Q_OS_WIN)
QString currentDir = QCoreApplication::applicationDirPath();
qgcputenv("GST_PLUGIN_PATH", currentDir, "/gstreamer-plugins");
#endif
//-- If gstreamer debugging is not configured via environment then use internal QT logging
if (qEnvironmentVariableIsEmpty("GST_DEBUG")) {
gst_debug_set_default_threshold(static_cast<GstDebugLevel>(debuglevel));
gst_debug_remove_log_function(gst_debug_log_default);
gst_debug_add_log_function(qt_gst_log, nullptr, nullptr);
}
// Initialize GStreamer
#if defined(__ios__)
//-- iOS specific initialization
gst_ios_pre_init();
#endif
GError* error = nullptr;
if (!gst_init_check(&argc, &argv, &error)) {
qCCritical(GStreamerLog) << "gst_init_check() failed: " << error->message;
g_error_free(error);
}
// The static plugins we use
#if defined(__android__) || defined(__ios__)
GST_PLUGIN_STATIC_REGISTER(coreelements);
GST_PLUGIN_STATIC_REGISTER(playback);
GST_PLUGIN_STATIC_REGISTER(libav);
GST_PLUGIN_STATIC_REGISTER(rtp);
GST_PLUGIN_STATIC_REGISTER(rtsp);
GST_PLUGIN_STATIC_REGISTER(udp);
GST_PLUGIN_STATIC_REGISTER(videoparsersbad);
GST_PLUGIN_STATIC_REGISTER(x264);
GST_PLUGIN_STATIC_REGISTER(rtpmanager);
GST_PLUGIN_STATIC_REGISTER(isomp4);
GST_PLUGIN_STATIC_REGISTER(matroska);
GST_PLUGIN_STATIC_REGISTER(mpegtsdemux);
GST_PLUGIN_STATIC_REGISTER(opengl);
GST_PLUGIN_STATIC_REGISTER(tcp);
#if defined(__android__)
GST_PLUGIN_STATIC_REGISTER(androidmedia);
#elif defined(__ios__)
GST_PLUGIN_STATIC_REGISTER(applemedia);
#endif
#endif
#if defined(__ios__)
gst_ios_post_init();
#endif
blacklist();
/* the plugin must be loaded before loading the qml file to register the
* GstGLVideoItem qml item
* FIXME Add a QQmlExtensionPlugin into qmlglsink to register GstGLVideoItem
* with the QML engine, then remove this */
GstElement *sink = gst_element_factory_make("qmlglsink", nullptr);
if (sink == nullptr) {
GST_PLUGIN_STATIC_REGISTER(qmlgl);
sink = gst_element_factory_make("qmlglsink", nullptr);
}
if (sink != nullptr) {
gst_object_unref(sink);
sink = nullptr;
} else {
qCCritical(GStreamerLog) << "unable to find qmlglsink - you need to build it yourself and add to GST_PLUGIN_PATH";
}
GST_PLUGIN_STATIC_REGISTER(qgc);
}
void*
GStreamer::createVideoSink(QObject* parent, QQuickItem* widget)
{
Q_UNUSED(parent)
GstElement* sink;
if ((sink = gst_element_factory_make("qgcvideosinkbin", nullptr)) != nullptr) {
g_object_set(sink, "widget", widget, NULL);
} else {
qCritical() << "gst_element_factory_make('qgcvideosinkbin') failed";
}
return sink;
}
void
GStreamer::releaseVideoSink(void* sink)
{
if (sink != nullptr) {
gst_object_unref(GST_ELEMENT(sink));
}
}
VideoReceiver*
GStreamer::createVideoReceiver(QObject* parent)
{
Q_UNUSED(parent)
return new GstVideoReceiver(nullptr);
}