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GStreamer: port to 1.0.

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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
Download Patch File Download Diff File Expand all files Collapse all files

58
src/gsttools/qgstreamervideoprobecontrol.cpp
View File

@@ -32,7 +32,8 @@
****************************************************************************/
#include "qgstreamervideoprobecontrol_p.h"
#include <private/qvideosurfacegstsink_p.h>
#include "qgstutils_p.h"
#include <private/qgstvideobuffer_p.h>
QGstreamerVideoProbeControl::QGstreamerVideoProbeControl(QObject *parent)
@@ -40,12 +41,10 @@ QGstreamerVideoProbeControl::QGstreamerVideoProbeControl(QObject *parent)
, m_flushing(false)
, m_frameProbed(false)
{
}
QGstreamerVideoProbeControl::~QGstreamerVideoProbeControl()
{
}
void QGstreamerVideoProbeControl::startFlushing()
@@ -67,33 +66,49 @@ void QGstreamerVideoProbeControl::stopFlushing()
m_flushing = false;
}
void QGstreamerVideoProbeControl::bufferProbed(GstBuffer* buffer)
void QGstreamerVideoProbeControl::probeCaps(GstCaps *caps)
{
if (m_flushing)
return;
GstCaps* caps = gst_buffer_get_caps(buffer);
if (!caps)
return;
#if GST_CHECK_VERSION(1,0,0)
GstVideoInfo videoInfo;
QVideoSurfaceFormat format = QGstUtils::formatForCaps(caps, &videoInfo);
QMutexLocker locker(&m_frameMutex);
m_videoInfo = videoInfo;
#else
int bytesPerLine = 0;
QVideoSurfaceFormat format = QVideoSurfaceGstSink::formatForCaps(caps, &bytesPerLine);
gst_caps_unref(caps);
if (!format.isValid() || !bytesPerLine)
return;
QVideoSurfaceFormat format = QGstUtils::formatForCaps(caps, &bytesPerLine);
QVideoFrame frame = QVideoFrame(new QGstVideoBuffer(buffer, bytesPerLine),
format.frameSize(), format.pixelFormat());
QMutexLocker locker(&m_frameMutex);
m_bytesPerLine = bytesPerLine;
#endif
m_format = format;
}
QVideoSurfaceGstSink::setFrameTimeStamps(&frame, buffer);
bool QGstreamerVideoProbeControl::probeBuffer(GstBuffer *buffer)
{
QMutexLocker locker(&m_frameMutex);
if (m_flushing || !m_format.isValid())
return true;
QVideoFrame frame(
#if GST_CHECK_VERSION(1,0,0)
new QGstVideoBuffer(buffer, m_videoInfo),
#else
new QGstVideoBuffer(buffer, m_bytesPerLine),
#endif
m_format.frameSize(),
m_format.pixelFormat());
QGstUtils::setFrameTimeStamps(&frame, buffer);
m_frameProbed = true;
{
QMutexLocker locker(&m_frameMutex);
m_pendingFrame = frame;
if (!m_pendingFrame.isValid())
QMetaObject::invokeMethod(this, "frameProbed", Qt::QueuedConnection);
}
m_pendingFrame = frame;
return true;
}
void QGstreamerVideoProbeControl::frameProbed()
@@ -104,6 +119,7 @@ void QGstreamerVideoProbeControl::frameProbed()
if (!m_pendingFrame.isValid())
return;
frame = m_pendingFrame;
m_pendingFrame = QVideoFrame();
}
emit videoFrameProbed(frame);
}