GStreamer: port to 1.0.

0.10 is still used by default.
To enable GStreamer 1.0, pass GST_VERSION=1.0 to qmake
for qtmultimedia.pro.

Contributions from:
Andrew den Exter <andrew.den.exter@qinetic.com.au>
Ilya Smelykh <ilya@videoexpertsgroup.com>
Jim Hodapp <jim.hodapp@canonical.com>
Sergio Schvezov <sergio.schvezov@canonical.com>

Change-Id: I72a46d1170a8794a149bdb5e20767afcc5b7587c
Reviewed-by: Andrew den Exter <andrew.den.exter@qinetic.com.au>
This commit is contained in:
Yoann Lopes
2014-11-20 17:54:18 +01:00
committed by Andrew den Exter
parent 7e3d69668e
commit 108dda7a90
71 changed files with 3669 additions and 1382 deletions

View File

@@ -37,36 +37,49 @@
#include <QtCore/qdebug.h>
#include <gst/gst.h>
#if !GST_CHECK_VERSION(1,0,0)
#include <gst/interfaces/xoverlay.h>
#include <gst/interfaces/propertyprobe.h>
#else
#include <gst/video/videooverlay.h>
#endif
QGstreamerVideoWindow::QGstreamerVideoWindow(QObject *parent, const char *elementName)
: QVideoWindowControl(parent)
, QGstreamerBufferProbe(QGstreamerBufferProbe::ProbeCaps)
, m_videoSink(0)
, m_windowId(0)
, m_aspectRatioMode(Qt::KeepAspectRatio)
, m_fullScreen(false)
, m_colorKey(QColor::Invalid)
{
if (elementName)
if (elementName) {
m_videoSink = gst_element_factory_make(elementName, NULL);
else
} else {
m_videoSink = gst_element_factory_make("xvimagesink", NULL);
}
if (m_videoSink) {
qt_gst_object_ref_sink(GST_OBJECT(m_videoSink)); //Take ownership
GstPad *pad = gst_element_get_static_pad(m_videoSink,"sink");
m_bufferProbeId = gst_pad_add_buffer_probe(pad, G_CALLBACK(padBufferProbe), this);
GstPad *pad = gst_element_get_static_pad(m_videoSink, "sink");
addProbeToPad(pad);
gst_object_unref(GST_OBJECT(pad));
}
else
qDebug() << "No m_videoSink available!";
}
QGstreamerVideoWindow::~QGstreamerVideoWindow()
{
if (m_videoSink)
if (m_videoSink) {
GstPad *pad = gst_element_get_static_pad(m_videoSink,"sink");
removeProbeFromPad(pad);
gst_object_unref(GST_OBJECT(pad));
gst_object_unref(GST_OBJECT(m_videoSink));
}
}
WId QGstreamerVideoWindow::winId() const
@@ -82,11 +95,15 @@ void QGstreamerVideoWindow::setWinId(WId id)
WId oldId = m_windowId;
m_windowId = id;
#if GST_CHECK_VERSION(1,0,0)
if (m_videoSink && GST_IS_VIDEO_OVERLAY(m_videoSink)) {
gst_video_overlay_set_window_handle(GST_VIDEO_OVERLAY(m_videoSink), m_windowId);
}
#else
if (m_videoSink && GST_IS_X_OVERLAY(m_videoSink)) {
gst_x_overlay_set_xwindow_id(GST_X_OVERLAY(m_videoSink), m_windowId);
}
#endif
if (!oldId)
emit readyChanged(true);
@@ -97,20 +114,26 @@ void QGstreamerVideoWindow::setWinId(WId id)
bool QGstreamerVideoWindow::processSyncMessage(const QGstreamerMessage &message)
{
GstMessage* gm = message.rawMessage();
#if GST_CHECK_VERSION(1,0,0)
const GstStructure *s = gst_message_get_structure(gm);
if ((GST_MESSAGE_TYPE(gm) == GST_MESSAGE_ELEMENT) &&
gst_structure_has_name(s, "prepare-window-handle") &&
m_videoSink && GST_IS_VIDEO_OVERLAY(m_videoSink)) {
gst_video_overlay_set_window_handle(GST_VIDEO_OVERLAY(m_videoSink), m_windowId);
return true;
}
#else
if ((GST_MESSAGE_TYPE(gm) == GST_MESSAGE_ELEMENT) &&
gst_structure_has_name(gm->structure, "prepare-xwindow-id") &&
m_videoSink && GST_IS_X_OVERLAY(m_videoSink)) {
gst_x_overlay_set_xwindow_id(GST_X_OVERLAY(m_videoSink), m_windowId);
GstPad *pad = gst_element_get_static_pad(m_videoSink,"sink");
m_bufferProbeId = gst_pad_add_buffer_probe(pad, G_CALLBACK(padBufferProbe), this);
gst_object_unref(GST_OBJECT(pad));
return true;
}
#endif
return false;
}
@@ -122,7 +145,19 @@ QRect QGstreamerVideoWindow::displayRect() const
void QGstreamerVideoWindow::setDisplayRect(const QRect &rect)
{
m_displayRect = rect;
#if GST_CHECK_VERSION(1,0,0)
if (m_videoSink && GST_IS_VIDEO_OVERLAY(m_videoSink)) {
if (m_displayRect.isEmpty())
gst_video_overlay_set_render_rectangle(GST_VIDEO_OVERLAY(m_videoSink), -1, -1, -1, -1);
else
gst_video_overlay_set_render_rectangle(GST_VIDEO_OVERLAY(m_videoSink),
m_displayRect.x(),
m_displayRect.y(),
m_displayRect.width(),
m_displayRect.height());
repaint();
}
#else
if (m_videoSink && GST_IS_X_OVERLAY(m_videoSink)) {
#if GST_VERSION_MICRO >= 29
if (m_displayRect.isEmpty())
@@ -136,6 +171,7 @@ void QGstreamerVideoWindow::setDisplayRect(const QRect &rect)
repaint();
#endif
}
#endif
}
Qt::AspectRatioMode QGstreamerVideoWindow::aspectRatioMode() const
@@ -157,6 +193,16 @@ void QGstreamerVideoWindow::setAspectRatioMode(Qt::AspectRatioMode mode)
void QGstreamerVideoWindow::repaint()
{
#if GST_CHECK_VERSION(1,0,0)
if (m_videoSink && GST_IS_VIDEO_OVERLAY(m_videoSink)) {
//don't call gst_x_overlay_expose if the sink is in null state
GstState state = GST_STATE_NULL;
GstStateChangeReturn res = gst_element_get_state(m_videoSink, &state, NULL, 1000000);
if (res != GST_STATE_CHANGE_FAILURE && state != GST_STATE_NULL) {
gst_video_overlay_expose(GST_VIDEO_OVERLAY(m_videoSink));
}
}
#else
if (m_videoSink && GST_IS_X_OVERLAY(m_videoSink)) {
//don't call gst_x_overlay_expose if the sink is in null state
GstState state = GST_STATE_NULL;
@@ -165,6 +211,7 @@ void QGstreamerVideoWindow::repaint()
gst_x_overlay_expose(GST_X_OVERLAY(m_videoSink));
}
}
#endif
}
QColor QGstreamerVideoWindow::colorKey() const
@@ -296,32 +343,22 @@ QSize QGstreamerVideoWindow::nativeSize() const
return m_nativeSize;
}
void QGstreamerVideoWindow::padBufferProbe(GstPad *pad, GstBuffer * /* buffer */, gpointer user_data)
void QGstreamerVideoWindow::probeCaps(GstCaps *caps)
{
QGstreamerVideoWindow *control = reinterpret_cast<QGstreamerVideoWindow*>(user_data);
QMetaObject::invokeMethod(control, "updateNativeVideoSize", Qt::QueuedConnection);
gst_pad_remove_buffer_probe(pad, control->m_bufferProbeId);
QSize resolution = QGstUtils::capsCorrectedResolution(caps);
QMetaObject::invokeMethod(
this,
"updateNativeVideoSize",
Qt::QueuedConnection,
Q_ARG(QSize, resolution));
}
void QGstreamerVideoWindow::updateNativeVideoSize()
void QGstreamerVideoWindow::updateNativeVideoSize(const QSize &size)
{
const QSize oldSize = m_nativeSize;
m_nativeSize = QSize();
if (m_videoSink) {
//find video native size to update video widget size hint
GstPad *pad = gst_element_get_static_pad(m_videoSink,"sink");
GstCaps *caps = gst_pad_get_negotiated_caps(pad);
gst_object_unref(GST_OBJECT(pad));
if (caps) {
m_nativeSize = QGstUtils::capsCorrectedResolution(caps);
gst_caps_unref(caps);
}
}
if (m_nativeSize != oldSize)
if (m_nativeSize != size) {
m_nativeSize = size;
emit nativeSizeChanged();
}
}
GstElement *QGstreamerVideoWindow::videoSink()