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enc: set hw frame context's sw format. vaapi works

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wang-bin
2016-08-28 21:55:52 +08:00
parent d888ad79db
commit a0e58de60f
2 changed files with 50 additions and 25 deletions
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examples/simpletranscode/main.cpp
+7 -1
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@@ -30,7 +30,7 @@ int main(int argc, char *argv[])
{
QApplication a(argc, argv);
qDebug("QtAV simpletranscode");
qDebug("./simpletranscode -i infile -o outfile [-async] [-c:v video_codec (default: libx264)] [-f format] [-an] [-ss HH:mm:ss.z]");
qDebug("./simpletranscode -i infile -o outfile [-async] [-c:v video_codec (default: libx264)] [-hwdev dev] [-f format] [-an] [-ss HH:mm:ss.z]");
qDebug("-an: disable audio");
qDebug() << "examples:\n"
<< "./simpletranscode -i test.mp4 -o /tmp/test-%05d.png -f image2 -c:v png\n"
@@ -62,6 +62,10 @@ int main(int argc, char *argv[])
idx = a.arguments().indexOf(QLatin1String("-f"));
if (idx > 0)
fmt = a.arguments().at(idx + 1);
QString hwdev;
idx = a.arguments().indexOf(QLatin1String("-hwdev"));
if (idx > 0)
hwdev = a.arguments().at(idx + 1);
const bool an = a.arguments().contains(QLatin1String("-an"));
const bool async = a.arguments().contains(QLatin1String("-async"));
qint64 ss = 0;
@@ -94,6 +98,8 @@ int main(int argc, char *argv[])
VideoEncoder *venc = avt.videoEncoder();
venc->setCodecName(cv); // "png"
venc->setBitRate(1024*1024);
if (!hwdev.isEmpty())
venc->setProperty("hwdevice", hwdev);
if (fmt == QLatin1String("image2"))
venc->setPixelFormat(VideoFormat::Format_RGBA32);
if (an) {