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Add MMAL renderer for Raspberry Pi

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Cameron Gutman 2019-04-16 01:20:21 -07:00
commit 9c76700f74
4 changed files with 203 additions and 0 deletions
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25
app/streaming/video/ffmpeg-renderers/mmal.h Normal file
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#pragma once
#include "renderer.h"
#include <interface/mmal/mmal.h>
#include <interface/mmal/util/mmal_util.h>
#include <interface/mmal/util/mmal_util_params.h>
#include <interface/mmal/util/mmal_default_components.h>
class MmalRenderer : public IFFmpegRenderer {
public:
MmalRenderer();
virtual ~MmalRenderer() override;
virtual bool initialize(PDECODER_PARAMETERS params) override;
virtual bool prepareDecoderContext(AVCodecContext* context) override;
virtual void renderFrame(AVFrame* frame) override;
virtual enum AVPixelFormat getPreferredPixelFormat(int videoFormat) override;
private:
static void InputPortCallback(MMAL_PORT_T* port, MMAL_BUFFER_HEADER_T* buffer);
MMAL_COMPONENT_T* m_Renderer;
MMAL_PORT_T* m_InputPort;
};