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Request a test frame for MMAL decoder

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This commit is contained in:
Cameron Gutman
2019-04-24 21:31:52 -07:00
parent f9895c22b6
commit 4e936193c7
2 changed files with 8 additions and 0 deletions
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7
app/streaming/video/ffmpeg-renderers/mmal.cpp
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@@ -125,6 +125,13 @@ enum AVPixelFormat MmalRenderer::getPreferredPixelFormat(int videoFormat)
return AV_PIX_FMT_MMAL;
}
bool MmalRenderer::needsTestFrame()
{
// We won't be able to decode if the GPU memory is 64 MB or lower,
// so we must test before allowing the decoder to be used.
return true;
}
void MmalRenderer::renderFrame(AVFrame* frame)
{
MMAL_BUFFER_HEADER_T* buffer = (MMAL_BUFFER_HEADER_T*)frame->data[3];

1
app/streaming/video/ffmpeg-renderers/mmal.h
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@@ -15,6 +15,7 @@ public:
virtual bool prepareDecoderContext(AVCodecContext* context) override;
virtual void renderFrame(AVFrame* frame) override;
virtual enum AVPixelFormat getPreferredPixelFormat(int videoFormat) override;
virtual bool needsTestFrame() override;
private:
static void InputPortCallback(MMAL_PORT_T* port, MMAL_BUFFER_HEADER_T* buffer);