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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

47
src/gsttools/qgstreameraudioprobecontrol.cpp
View File

@@ -37,32 +37,48 @@
QGstreamerAudioProbeControl::QGstreamerAudioProbeControl(QObject *parent)
: QMediaAudioProbeControl(parent)
{
}
QGstreamerAudioProbeControl::~QGstreamerAudioProbeControl()
{
}
void QGstreamerAudioProbeControl::bufferProbed(GstBuffer* buffer)
void QGstreamerAudioProbeControl::probeCaps(GstCaps *caps)
{
GstCaps* caps = gst_buffer_get_caps(buffer);
if (!caps)
return;
QAudioFormat format = QGstUtils::audioFormatForCaps(caps);
gst_caps_unref(caps);
if (!format.isValid())
return;
QAudioBuffer audioBuffer = QAudioBuffer(QByteArray((const char*)buffer->data, buffer->size), format);
QMutexLocker locker(&m_bufferMutex);
m_format = format;
}
{
QMutexLocker locker(&m_bufferMutex);
m_pendingBuffer = audioBuffer;
QMetaObject::invokeMethod(this, "bufferProbed", Qt::QueuedConnection);
bool QGstreamerAudioProbeControl::probeBuffer(GstBuffer *buffer)
{
qint64 position = GST_BUFFER_TIMESTAMP(buffer);
position = position >= 0
? position / G_GINT64_CONSTANT(1000) // microseconds
: -1;
QByteArray data;
#if GST_CHECK_VERSION(1,0,0)
GstMapInfo info;
if (gst_buffer_map(buffer, &info, GST_MAP_READ)) {
data = QByteArray(reinterpret_cast<const char *>(info.data), info.size);
gst_buffer_unmap(buffer, &info);
} else {
return true;
}
#else
data = QByteArray(reinterpret_cast<const char *>(buffer->data), buffer->size);
#endif
QMutexLocker locker(&m_bufferMutex);
if (m_format.isValid()) {
if (!m_pendingBuffer.isValid())
QMetaObject::invokeMethod(this, "bufferProbed", Qt::QueuedConnection);
m_pendingBuffer = QAudioBuffer(data, m_format, position);
}
return true;
}
void QGstreamerAudioProbeControl::bufferProbed()
@@ -73,6 +89,7 @@ void QGstreamerAudioProbeControl::bufferProbed()
if (!m_pendingBuffer.isValid())
return;
audioBuffer = m_pendingBuffer;
m_pendingBuffer = QAudioBuffer();
}
emit audioBufferProbed(audioBuffer);
}