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gst video surface sink: start surface with correct handle type

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The handle type should match one from the currently used buffer pool.

Change-Id: I33f7856a742299ce0640f331898c3cbe5cfbdf97
Reviewed-by: Jonas Rabbe <jonas.rabbe@nokia.com>
This commit is contained in:
Dmytro Poplavskiy
2012-03-14 11:52:43 +10:00
committed by Qt by Nokia
parent 942ff7a3c6
commit 8d63785425
2 changed files with 15 additions and 5 deletions
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16
src/gsttools/qvideosurfacegstsink.cpp
View File

@@ -581,7 +581,11 @@ gboolean QVideoSurfaceGstSink::set_caps(GstBaseSink *base, GstCaps *caps)
return TRUE;
} else {
int bytesPerLine = 0;
QVideoSurfaceFormat format = formatForCaps(caps, &bytesPerLine);
QGstBufferPoolInterface *pool = sink->delegate->pool();
QAbstractVideoBuffer::HandleType handleType =
pool ? pool->handleType() : QAbstractVideoBuffer::NoHandle;
QVideoSurfaceFormat format = formatForCaps(caps, &bytesPerLine, handleType);
if (sink->delegate->isActive()) {
QVideoSurfaceFormat surfaceFormst = sink->delegate->surfaceFormat();
@@ -612,7 +616,7 @@ gboolean QVideoSurfaceGstSink::set_caps(GstBaseSink *base, GstCaps *caps)
return FALSE;
}
QVideoSurfaceFormat QVideoSurfaceGstSink::formatForCaps(GstCaps *caps, int *bytesPerLine)
QVideoSurfaceFormat QVideoSurfaceGstSink::formatForCaps(GstCaps *caps, int *bytesPerLine, QAbstractVideoBuffer::HandleType handleType)
{
const GstStructure *structure = gst_caps_get_structure(caps, 0);
@@ -655,7 +659,7 @@ QVideoSurfaceFormat QVideoSurfaceGstSink::formatForCaps(GstCaps *caps, int *byte
}
if (pixelFormat != QVideoFrame::Format_Invalid) {
QVideoSurfaceFormat format(size, pixelFormat);
QVideoSurfaceFormat format(size, pixelFormat, handleType);
QPair<int, int> rate;
gst_structure_get_fraction(structure, "framerate", &rate.first, &rate.second);
@@ -771,7 +775,11 @@ GstFlowReturn QVideoSurfaceGstSink::buffer_alloc(
if (!sink->delegate->isActive()) {
int bytesPerLine = 0;
QVideoSurfaceFormat format = formatForCaps(intersection, &bytesPerLine);
QGstBufferPoolInterface *pool = sink->delegate->pool();
QAbstractVideoBuffer::HandleType handleType =
pool ? pool->handleType() : QAbstractVideoBuffer::NoHandle;
QVideoSurfaceFormat format = formatForCaps(intersection, &bytesPerLine, handleType);
if (!sink->delegate->start(format, bytesPerLine)) {
qWarning() << "failed to start video surface";

4
src/multimedia/gsttools_headers/qvideosurfacegstsink_p.h
View File

@@ -134,7 +134,9 @@ public:
GstVideoSink parent;
static QVideoSurfaceGstSink *createSink(QAbstractVideoSurface *surface);
static QVideoSurfaceFormat formatForCaps(GstCaps *caps, int *bytesPerLine = 0);
static QVideoSurfaceFormat formatForCaps(GstCaps *caps,
int *bytesPerLine = 0,
QAbstractVideoBuffer::HandleType handleType = QAbstractVideoBuffer::NoHandle);
static void setFrameTimeStamps(QVideoFrame *frame, GstBuffer *buffer);
static void handleShowPrerollChange(GObject *o, GParamSpec *p, gpointer d);