Cameron Gutman e76780e105 Add a new prepareToRender() callback for renders to perform their initial window clears
This consolidates all the clearing that was strewn across the codebase.
2024-06-25 23:12:18 -05:00

38 lines
1.2 KiB
C++

#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, AVDictionary** options) override;
virtual void prepareToRender() override;
virtual void renderFrame(AVFrame* frame) override;
virtual enum AVPixelFormat getPreferredPixelFormat(int videoFormat) override;
virtual bool needsTestFrame() override;
virtual int getRendererAttributes() override;
virtual int getDecoderColorspace() override;
private:
static void InputPortCallback(MMAL_PORT_T* port, MMAL_BUFFER_HEADER_T* buffer);
bool getDtDeviceStatus(QString name, bool ifUnknown);
bool isMmalOverlaySupported();
void updateDisplayRegion();
MMAL_COMPONENT_T* m_Renderer;
MMAL_PORT_T* m_InputPort;
SDL_Renderer* m_BackgroundRenderer;
SDL_Window* m_Window;
int m_VideoWidth, m_VideoHeight;
int m_LastWindowPosX, m_LastWindowPosY;
};