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Appli/TouchGFX/target/generated/HardwareMJPEGDecoder.hpp

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