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fix ffmpeg stream to create quicktime compatible videos

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This commit is contained in:
Erwin Coumans
2016-07-27 09:11:08 -07:00
parent 98c6181ba8
commit daf91de778
1 changed files with 4 additions and 3 deletions
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7
examples/OpenGLWindow/SimpleOpenGL3App.cpp
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@@ -750,7 +750,7 @@ static void writeTextureToFile(int textureWidth, int textureHeight, const char*
void SimpleOpenGL3App::swapBuffer()
{
m_window->endRendering();
if (m_data->m_frameDumpPngFileName)
{
int width = (int)m_window->getRetinaScale()*m_instancingRenderer->getScreenWidth();
@@ -764,7 +764,8 @@ void SimpleOpenGL3App::swapBuffer()
m_data->m_frameDumpPngFileName = 0;
}
}
m_window->startRendering();
m_window->endRendering();
m_window->startRendering();
}
// see also http://blog.mmacklin.com/2013/06/11/real-time-video-capture-with-ffmpeg/
@@ -780,7 +781,7 @@ void SimpleOpenGL3App::dumpFramesToVideo(const char* mp4FileName)
#else
sprintf(cmd, "ffmpeg -r 60 -f rawvideo -pix_fmt rgba -s %dx%d -i - "
"-threads 0 -y -crf 0 -b 50000k -vf vflip %s", width, height, mp4FileName);
"-threads 0 -y -b 50000k -t 20 -c:v libx264 -preset slow -crf 22 -an -pix_fmt yuv420p -vf vflip %s", width, height, mp4FileName);
#endif
//sprintf(cmd,"ffmpeg -r 60 -f rawvideo -pix_fmt rgba -s %dx%d -i - "