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88 lines
2.6 KiB
C++
88 lines
2.6 KiB
C++
#include "videosurface.h"
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#include "core.h"
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#include <QVideoFrame>
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#include <QDebug>
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VideoSurface::VideoSurface()
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: QAbstractVideoSurface()
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{
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vpx_img_alloc(&input, VPX_IMG_FMT_YV12, TOXAV_VIDEO_WIDTH, TOXAV_VIDEO_HEIGHT, 1);
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}
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bool VideoSurface::start(const QVideoSurfaceFormat &format)
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{
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mVideoFormat = format;
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//start only if format is UYVY, dont handle other format now
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if( format.pixelFormat() == QVideoFrame::Format_YV12 ){
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QAbstractVideoSurface::start(format);
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return true;
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} else {
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return false;
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}
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}
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bool VideoSurface::present(const QVideoFrame &frame)
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{
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/*
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mFrame = frame;
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qDebug() << QString("Video: Frame format is %1").arg(mFrame.pixelFormat());
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stop();
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//this is necessary to get valid data from frame
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mFrame.map(QAbstractVideoBuffer::ReadOnly);
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uchar* data = new uchar[frame.mappedBytes()];
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memcpy(data, frame.bits(), frame.mappedBytes());
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input.planes[VPX_PLANE_Y] = data;
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input.planes[VPX_PLANE_U] = data + (frame.bytesPerLine() * frame.height());
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input.planes[VPX_PLANE_V] = input.planes[VPX_PLANE_U] + (frame.bytesPerLine()/2 * frame.height()/2);
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input.planes[VPX_PLANE_ALPHA] = nullptr;
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//qDebug() << QString("Got %1 bytes, first plane is %2 bytes long")
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// .arg(frame.mappedBytes()).arg(frame.bytesPerLine() * frame.height());
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// Slots MUST be called with a direct or blocking connection, or input may die before they return !
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emit videoFrameReady(input);
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QImage lastImage( mFrame.size(), QImage::Format_RGB16);
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const uchar *src = mFrame.bits();
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uchar *dst = lastImage.bits();
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const int srcLineStep = mFrame.bytesPerLine();
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const int dstLineStep = lastImage.bytesPerLine();
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const int h = mFrame.height();
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const int w = mFrame.width();
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for (int y=0; y < h; y++) {
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//this function you can find in qgraphicsvideoitem_maemo5.cpp,
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//link is mentioned above
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uyvy422_to_rgb16_line_neon(dst, src, w);
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src += srcLineStep;
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dst += dstLineStep;
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}
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mLastFrame = QPixmap::fromImage(lastImage);
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//emit signal, other can handle it and do necessary processing
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emit frameUpdated(mLastFrame);
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delete[] data;
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mFrame.unmap();
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*/
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return true;
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}
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QList<QVideoFrame::PixelFormat> VideoSurface::supportedPixelFormats(QAbstractVideoBuffer::HandleType handleType) const
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{
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if (handleType == QAbstractVideoBuffer::NoHandle) {
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qDebug() << "Video: No handle";
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return QList<QVideoFrame::PixelFormat>() << QVideoFrame::Format_YV12;
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} else {
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qDebug() << "Video: Handle type is not NoHandle";
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return QList<QVideoFrame::PixelFormat>();
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}
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}
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