108 lines
3.9 KiB
C++
108 lines
3.9 KiB
C++
/**
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******************************************************************************
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* File Name : HardwareMJPEGDecoder.hpp
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******************************************************************************
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* This file is generated by TouchGFX Generator 4.26.1. Please, do not edit!
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2026 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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*
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******************************************************************************
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*/
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#ifndef TOUCHGFX_HARDWAREMJPEGDECODER_HPP
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#define TOUCHGFX_HARDWAREMJPEGDECODER_HPP
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#include <MJPEGDecoder.hpp>
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#include <STM32DMA.hpp>
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#include "cmsis_os2.h"
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#if defined(osCMSIS) && (osCMSIS < 0x20000)
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#define MUTEX_CREATE() osMutexCreate(0)
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#define MUTEX_LOCK(m) osMutexWait(m, osWaitForever)
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#define MUTEX_TYPE osMutexId
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#define MUTEX_UNLOCK(m) osMutexRelease(m)
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#define SEM_CREATE() osSemaphoreCreate(0, 1)
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#define SEM_POST(s) osSemaphoreRelease(s)
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#define SEM_TYPE osSemaphoreId
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#define SEM_WAIT(s) osSemaphoreWait(s, osWaitForever)
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#else
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#define MUTEX_CREATE() osMutexNew(0)
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#define MUTEX_LOCK(m) osMutexAcquire(m, osWaitForever)
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#define MUTEX_TYPE osMutexId_t
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#define MUTEX_UNLOCK(m) osMutexRelease(m)
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#define SEM_CREATE() osSemaphoreNew(1, 0, 0)
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#define SEM_POST(s) osSemaphoreRelease(s)
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#define SEM_TYPE osSemaphoreId_t
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#define SEM_WAIT(s) osSemaphoreAcquire(s, osWaitForever)
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#endif
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class HardwareMJPEGDecoder : public MJPEGDecoder
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{
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public:
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HardwareMJPEGDecoder();
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//Set video data for the decoder
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virtual void setVideoData(const uint8_t* movie, const uint32_t length);
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virtual void setVideoData(touchgfx::VideoDataReader& reader);
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virtual bool hasVideo();
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//Increment position to next frame and decode
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virtual bool decodeNextFrame(uint8_t* frameBuffer, uint16_t width, uint16_t height, uint32_t framebuffer_width);
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//Increment position to next frame and decode
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virtual bool gotoNextFrame();
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//Decode part of the current frame
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virtual bool decodeFrame(const touchgfx::Rect& area, uint8_t* frameBuffer, uint32_t framebuffer_width);
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virtual bool decodeThumbnail(uint32_t frameno, uint8_t* buffer, uint16_t width, uint16_t height);
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virtual void gotoFrame(uint32_t frameno);
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virtual uint32_t getCurrentFrameNumber() const
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{
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return frameNumber;
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}
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virtual uint32_t getNumberOfFrames();
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virtual void setRepeatVideo(bool repeat);
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virtual void getVideoInfo(touchgfx::VideoInformation* data);
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void setAVIFileBuffer(uint8_t* buffer, uint32_t size)
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{
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aviBuffer = buffer, aviBufferLength = size;
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}
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virtual AVIErrors getLastError()
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{
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return lastError;
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}
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void addDMA(touchgfx::DMA_Interface& dma)
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{
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this->dma = &dma;
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}
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private:
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void readVideoHeader();
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void decodeMJPEGFrame(const uint8_t* const mjpgdata, const uint32_t length, uint8_t* buffer, uint16_t width, uint16_t height, uint32_t stride);
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int compare(const uint32_t offset, const char* str, uint32_t num);
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uint32_t getU32(const uint32_t offset);
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uint32_t getU16(const uint32_t offset);
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const uint8_t* readData(uint32_t offset, uint32_t length);
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touchgfx::VideoInformation videoInfo;
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uint32_t frameNumber;
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uint32_t currentMovieOffset;
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uint32_t indexOffset;
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uint32_t firstFrameOffset;
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uint32_t lastFrameEnd;
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uint32_t movieLength;
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const uint8_t* movieData;
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touchgfx::VideoDataReader* reader;
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uint8_t* aviBuffer;
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uint32_t aviBufferLength;
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uint32_t aviBufferStartOffset;
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AVIErrors lastError;
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touchgfx::DMA_Interface* dma;
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};
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#endif // TOUCHGFX_HARDWAREMJPEGDECODER_HPP
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