STemWin
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Outline
Includes
#include <string.h>
#include "GUI_Private.h"
#include "GUI_AVI.h"
#include "WM.h"
Exported constants
AVI_VIDS_FLAG_TBL
AVI_AUDS_FLAG_TBL
status
_AVI_SearchID(unsigned char *, unsigned short, unsigned char *)
_AVI_GetStreamInfo(GUI_AVI_HANDLE, unsigned char *)
_AVI_Init(GUI_AVI_HANDLE, unsigned char *, unsigned short)
_GetData(void *, const unsigned char **, unsigned int, unsigned long)
_Stopavi(GUI_AVI_HANDLE)
_DecodeFrame(GUI_AVI_HANDLE)
_OnTimer(GUI_TIMER_MESSAGE *)
GUI_AVI_CreateEx(GUI_GET_DATA_FUNC *, GUI_AVI_FUNC *)
GUI_AVI_Start(GUI_AVI_HANDLE, void *, unsigned long)
GUI_AVI_Stop(GUI_AVI_HANDLE)
GUI_AVI_Create(GUI_AVI_FUNC *)
GUI_AVI_Play(GUI_AVI_HANDLE)
GUI_AVI_Show(GUI_AVI_HANDLE, int, int, int)
GUI_AVI_SelectMode(GUI_AVI_HANDLE, int)
GUI_AVI_SetDevFunc(GUI_AVI_HANDLE, int, void (*)(void))
GUI_AVI_SetBuffers(GUI_AVI_HANDLE, unsigned char *, unsigned short, unsigned char *, unsigned short)
GUI_AVI_Delete(GUI_AVI_HANDLE)
GUI_AVI_Pause(GUI_AVI_HANDLE)
GUI_AVI_GotoFrame(GUI_AVI_HANDLE, unsigned long)
GUI_AVI_GetFrameIndex(GUI_AVI_HANDLE)
GUI_AVI_GetInfo(GUI_AVI_HANDLE, GUI_AVI_INFO *)
Files
loading (3/10)...
SourceVuSTM32 Libraries and SamplesSTemWinModules/videoplayer/GUI_AVI.c
 
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/** ****************************************************************************** * @file GUI_AVI.c * @author MCD Application Team * @brief This file provides routines for AVI decoding. ****************************************************************************** * @attention * * Copyright (c) 2017 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. * ****************************************************************************** *//* ... */ /* Includes ------------------------------------------------------------------*/ #include <string.h> #include "GUI_Private.h" #include "GUI_AVI.h" #if GUI_WINSUPPORT #include "WM.h" #endif Includes /* Exported types ------------------------------------------------------------*/ /* Exported variables --------------------------------------------------------*/ /* Exported constants --------------------------------------------------------*/ U8* const AVI_VIDS_FLAG_TBL[2]={(U8 *)"00dc",(U8 *)"01dc"}; U8* const AVI_AUDS_FLAG_TBL[2]={(U8 *)"00wb",(U8 *)"01wb"}; int status = 0;Exported constants /* Private functions ---------------------------------------------------------*/ /** * @brief Search AVI ID * @param None * @retval ID *//* ... */ U16 _AVI_SearchID(U8* buf,U16 size,U8 *id) { U16 i; size-=4; for(i=0;i<size;i++) { if(buf[i] == id[0]) if(buf[i+1] == id[1]) if(buf[i+2] == id[2]) if(buf[i+3] == id[3]) return i; }for (i=0;i return 0; }{ ... } /** * @brief Get AVI file information * @param havi: AVI handle * @param buf: * @retval AVI status *//* ... */ AVISTATUS _AVI_GetStreamInfo(GUI_AVI_HANDLE havi, U8* buf) { AVI_CONTEXT * pavi; if (havi) { pavi = (AVI_CONTEXT *)GUI_LOCK_H(havi); { pavi->aviInfo.StreamID = MAKEWORD (buf+2); pavi->aviInfo.StreamSize = MAKEDWORD (buf+4); if(pavi->aviInfo.StreamSize%2) pavi->aviInfo.StreamSize++; if((pavi->aviInfo.StreamID == AVI_VIDS_FLAG) || (pavi->aviInfo.StreamID == AVI_AUDS_FLAG)) { GUI_UNLOCK_H(pavi); return AVI_OK; }if ((pavi->aviInfo.StreamID == AVI_VIDS_FLAG) || (pavi->aviInfo.StreamID == AVI_AUDS_FLAG)) { ... } ...} GUI_UNLOCK_H(pavi); }if (havi) { ... } return AVI_STREAM_ERR; }{ ... } /** * @brief Initialize AVI * @param havi: AVI handle * @param buf: * @param size: AVI file size * @retval AVI status *//* ... */ AVISTATUS _AVI_Init(GUI_AVI_HANDLE havi, U8 *buf, U16 size) { U16 offset; U8 *tbuf; AVISTATUS res = AVI_OK; AVI_HEADER *aviheader; LIST_HEADER *listheader; AVIH_HEADER *avihheader; STRH_HEADER *strhheader; STRF_BMPHEADER *bmpheader; STRF_WAVHEADER *wavheader; AVI_CONTEXT * pavi; if (havi) { pavi = (AVI_CONTEXT *)GUI_LOCK_H(havi); { tbuf=buf; aviheader=(AVI_HEADER*)buf; if(aviheader->RiffID != AVI_RIFF_ID) { GUI_UNLOCK_H(pavi); return AVI_RIFF_ERR; }if (aviheader->RiffID != AVI_RIFF_ID) { ... } if(aviheader->AviID != AVI_AVI_ID) { GUI_UNLOCK_H(pavi); return AVI_AVI_ERR; }if (aviheader->AviID != AVI_AVI_ID) { ... } buf+=sizeof(AVI_HEADER); listheader=(LIST_HEADER*)(buf); if(listheader->ListID != AVI_LIST_ID) { GUI_UNLOCK_H(pavi); return AVI_LIST_ERR; }if (listheader->ListID != AVI_LIST_ID) { ... } if(listheader->ListType != AVI_HDRL_ID) { GUI_UNLOCK_H(pavi); return AVI_HDRL_ERR; }if (listheader->ListType != AVI_HDRL_ID) { ... } buf+=sizeof(LIST_HEADER); avihheader=(AVIH_HEADER*)(buf); if(avihheader->BlockID != AVI_AVIH_ID) { GUI_UNLOCK_H(pavi); return AVI_AVIH_ERR; }if (avihheader->BlockID != AVI_AVIH_ID) { ... } pavi->aviInfo.SecPerFrame=avihheader->SecPerFrame; pavi->aviInfo.TotalFrame=avihheader->TotalFrame; buf+=avihheader->BlockSize+8; listheader=(LIST_HEADER*)(buf); if(listheader->ListID != AVI_LIST_ID) { GUI_UNLOCK_H(pavi); return AVI_LIST_ERR; }if (listheader->ListID != AVI_LIST_ID) { ... } if(listheader->ListType != AVI_STRL_ID) { GUI_UNLOCK_H(pavi); return AVI_STRL_ERR; }if (listheader->ListType != AVI_STRL_ID) { ... } strhheader=(STRH_HEADER*)(buf+12); if(strhheader->BlockID != AVI_STRH_ID) { GUI_UNLOCK_H(pavi); return AVI_STRH_ERR; }if (strhheader->BlockID != AVI_STRH_ID) { ... } if(strhheader->StreamType == AVI_VIDS_STREAM) { if(strhheader->Handler != AVI_FORMAT_MJPG) { GUI_UNLOCK_H(pavi); return AVI_FORMAT_ERR; }if (strhheader->Handler != AVI_FORMAT_MJPG) { ... } pavi->aviInfo.VideoFLAG=(U8*)AVI_VIDS_FLAG_TBL[0]; pavi->aviInfo.AudioFLAG=(U8*)AVI_AUDS_FLAG_TBL[1]; bmpheader=(STRF_BMPHEADER*)(buf+12+strhheader->BlockSize+8); if(bmpheader->BlockID != AVI_STRF_ID) { GUI_UNLOCK_H(pavi); return AVI_STRF_ERR; }if (bmpheader->BlockID != AVI_STRF_ID) { ... } pavi->aviInfo.Width=bmpheader->bmiHeader.Width; pavi->aviInfo.Height=bmpheader->bmiHeader.Height; buf+=listheader->BlockSize+8; listheader=(LIST_HEADER*)(buf); if(listheader->ListID != AVI_LIST_ID) { pavi->aviInfo.SampleRate=0; pavi->aviInfo.Channels=0; pavi->aviInfo.AudioType=0; }if (listheader->ListID != AVI_LIST_ID) { ... }else { if(listheader->ListType != AVI_STRL_ID) { GUI_UNLOCK_H(pavi); return AVI_STRL_ERR; }if (listheader->ListType != AVI_STRL_ID) { ... } strhheader=(STRH_HEADER*)(buf+12); if(strhheader->BlockID != AVI_STRH_ID) { GUI_UNLOCK_H(pavi); return AVI_STRH_ERR; }if (strhheader->BlockID != AVI_STRH_ID) { ... } if(strhheader->StreamType != AVI_AUDS_STREAM) { GUI_UNLOCK_H(pavi); return AVI_FORMAT_ERR; }if (strhheader->StreamType != AVI_AUDS_STREAM) { ... } wavheader=(STRF_WAVHEADER*)(buf+12+strhheader->BlockSize+8); if(wavheader->BlockID != AVI_STRF_ID) { GUI_UNLOCK_H(pavi); return AVI_STRF_ERR; }if (wavheader->BlockID != AVI_STRF_ID) { ... } pavi->aviInfo.SampleRate=wavheader->SampleRate; pavi->aviInfo.Channels=wavheader->Channels; pavi->aviInfo.AudioType=wavheader->FormatTag; } }if (strhheader->StreamType == AVI_VIDS_STREAM) { ... }else if(strhheader->StreamType == AVI_AUDS_STREAM) { pavi->aviInfo.VideoFLAG=(U8*)AVI_VIDS_FLAG_TBL[1]; pavi->aviInfo.AudioFLAG=(U8*)AVI_AUDS_FLAG_TBL[0]; wavheader=(STRF_WAVHEADER*)(buf+12+strhheader->BlockSize+8); if(wavheader->BlockID != AVI_STRF_ID) { GUI_UNLOCK_H(pavi); return AVI_STRF_ERR; }if (wavheader->BlockID != AVI_STRF_ID) { ... } pavi->aviInfo.SampleRate=wavheader->SampleRate; pavi->aviInfo.Channels=wavheader->Channels; pavi->aviInfo.AudioType=wavheader->FormatTag; buf+=listheader->BlockSize+8; listheader=(LIST_HEADER*)(buf); if(listheader->ListID != AVI_LIST_ID) { GUI_UNLOCK_H(pavi); return AVI_LIST_ERR; }if (listheader->ListID != AVI_LIST_ID) { ... } if(listheader->ListType != AVI_STRL_ID) { GUI_UNLOCK_H(pavi); return AVI_STRL_ERR; }if (listheader->ListType != AVI_STRL_ID) { ... } strhheader=(STRH_HEADER*)(buf+12); if(strhheader->BlockID != AVI_STRH_ID) { GUI_UNLOCK_H(pavi); return AVI_STRH_ERR; }if (strhheader->BlockID != AVI_STRH_ID) { ... } if(strhheader->StreamType != AVI_VIDS_STREAM) { GUI_UNLOCK_H(pavi); return AVI_FORMAT_ERR; }if (strhheader->StreamType != AVI_VIDS_STREAM) { ... } bmpheader=(STRF_BMPHEADER*)(buf+12+strhheader->BlockSize+8); if(bmpheader->BlockID != AVI_STRF_ID) { GUI_UNLOCK_H(pavi); return AVI_STRF_ERR; }if (bmpheader->BlockID != AVI_STRF_ID) { ... } if(bmpheader->bmiHeader.Compression != AVI_FORMAT_MJPG) { GUI_UNLOCK_H(pavi); return AVI_FORMAT_ERR; }if (bmpheader->bmiHeader.Compression != AVI_FORMAT_MJPG) { ... } pavi->aviInfo.Width=bmpheader->bmiHeader.Width; pavi->aviInfo.Height=bmpheader->bmiHeader.Height; }else if (strhheader->StreamType == AVI_AUDS_STREAM) { ... } offset=_AVI_SearchID(tbuf,size,(U8 *)"movi"); if(offset == 0) { GUI_UNLOCK_H(pavi); return AVI_MOVI_ERR; }if (offset == 0) { ... } if(pavi->aviInfo.SampleRate) { tbuf+=offset; offset=_AVI_SearchID(tbuf,size,pavi->aviInfo.AudioFLAG); if(offset == 0) { GUI_UNLOCK_H(pavi); return AVI_STREAM_ERR; }if (offset == 0) { ... } tbuf+=offset+4; pavi->aviInfo.AudioBufSize=*((U16*)tbuf); }if (pavi->aviInfo.SampleRate) { ... } ...}GUI_UNLOCK_H(pavi); }if (havi) { ... } return res; }{ ... } /** * @brief Get Data * @param * @retval *//* ... */ static int _GetData(void * p, const U8 ** ppData, unsigned NumBytes, U32 Off) { U8 * pSrc; pSrc = (U8 *)p; GUI_MEMCPY((U8 *)*ppData, pSrc + Off, NumBytes); return NumBytes; }{ ... } /** * @brief Stop AVI * @param havi: AVI handle * @retval *//* ... */ static int _Stopavi(GUI_AVI_HANDLE havi) { AVI_CONTEXT * pavi; int r; r = 1; pavi = (AVI_CONTEXT *)GUI_LOCK_H(havi); { if (pavi->hTimer) { GUI_TIMER_Delete(pavi->hTimer); pavi->hTimer = 0; r = 0; }if (pavi->hTimer) { ... } if (pavi->pfNotify) { pavi->pfNotify(havi, GUI_AVI_NOTIFICATION_STOP, pavi->CurrentImage); }if (pavi->pfNotify) { ... } ...} GUI_UNLOCK_H(pavi); return r; }{ ... } /** * @brief Decode AVI frame * @param havi: AVI handle * @retval *//* ... */ static int _DecodeFrame(GUI_AVI_HANDLE havi) { AVI_CONTEXT * pavi; int offset; const U8 *pData; pavi = (AVI_CONTEXT *)GUI_LOCK_H(havi); { pavi->CurrentImage++; if (pavi->CurrentImage == pavi->aviInfo.TotalFrame) { if (pavi->DoLoop) { pavi->CurrentImage = 0; if (pavi->pfGetData(pavi->pParam, &pavi->pVideoBuffer, pavi->VideoBufferSize, 0) != pavi->VideoBufferSize) { return 1; }if (pavi->pfGetData(pavi->pParam, &pavi->pVideoBuffer, pavi->VideoBufferSize, 0) != pavi->VideoBufferSize) { ... } _AVI_Init(havi, (U8 *)pavi->pVideoBuffer, pavi->VideoBufferSize); offset = _AVI_SearchID((U8 *)pavi->pVideoBuffer,pavi->VideoBufferSize,(U8 *)"movi"); _AVI_GetStreamInfo(havi, (U8 *)pavi->pVideoBuffer + offset + 4); if (pavi->pfGetData(pavi->pParam, &pavi->pVideoBuffer, pavi->aviInfo.StreamSize + 8, offset + 12) != (pavi->aviInfo.StreamSize + 8)) { return 1; }if (pavi->pfGetData(pavi->pParam, &pavi->pVideoBuffer, pavi->aviInfo.StreamSize + 8, offset + 12) != (pavi->aviInfo.StreamSize + 8)) { ... } }if (pavi->DoLoop) { ... } else { return 1; }else { ... } }if (pavi->CurrentImage == pavi->aviInfo.TotalFrame) { ... } else /* Not the end of the file */ { if(pavi->aviInfo.StreamID == AVI_VIDS_FLAG) { if(pavi->aviInfo.StreamSize > pavi->VideoBufferSize ) { return 1; }if (pavi->aviInfo.StreamSize > pavi->VideoBufferSize) { ... } if(pavi->pfGetData(pavi->pParam, &pavi->pVideoBuffer, pavi->aviInfo.StreamSize + 8, 0xFFFFFFFF) != pavi->aviInfo.StreamSize + 8) { return 1; }if (pavi->pfGetData(pavi->pParam, &pavi->pVideoBuffer, pavi->aviInfo.StreamSize + 8, 0xFFFFFFFF) != pavi->aviInfo.StreamSize + 8) { ... } _AVI_GetStreamInfo(havi, (U8 *)pavi->pVideoBuffer + pavi->aviInfo.StreamSize); }if (pavi->aviInfo.StreamID == AVI_VIDS_FLAG) { ... } if(pavi->aviInfo.StreamID == AVI_AUDS_FLAG) { do{ if(pavi->aviInfo.StreamSize >= pavi->AudioBufferSize) { return 1; }if (pavi->aviInfo.StreamSize >= pavi->AudioBufferSize) { ... } if(pavi->AudioWdPtr > (pavi->AudioBufferSize - pavi->aviInfo.StreamSize)) { pavi->AudioWdPtr = 0; }if (pavi->AudioWdPtr > (pavi->AudioBufferSize - pavi->aviInfo.StreamSize)) { ... } pData = &pavi->pAudioBuffer[pavi->AudioWdPtr]; if(pavi->pfGetData(pavi->pParam, &pData, pavi->aviInfo.StreamSize + 8, 0xFFFFFFFF) != pavi->aviInfo.StreamSize + 8) { return 1; }if (pavi->pfGetData(pavi->pParam, &pData, pavi->aviInfo.StreamSize + 8, 0xFFFFFFFF) != pavi->aviInfo.StreamSize + 8) { ... } pavi->AudioWdPtr += pavi->aviInfo.StreamSize; _AVI_GetStreamInfo(havi, (U8 *)&pData[pavi->aviInfo.StreamSize]); ...} while (pavi->aviInfo.StreamID == AVI_AUDS_FLAG); }if (pavi->aviInfo.StreamID == AVI_AUDS_FLAG) { ... } }else { ... } ...} GUI_UNLOCK_H(pavi); return 0; }{ ... } /** * @brief timer callback * @param pTM: pointer to the timer * @retval *//* ... */ static void _OnTimer(GUI_TIMER_MESSAGE * pTM) { AVI_CONTEXT * pavi; GUI_AVI_HANDLE havi; int r, Period; havi = pTM->Context; pavi = (AVI_CONTEXT *)GUI_LOCK_H(havi); { if (pavi->pfNotify) { pavi->pfNotify(havi, GUI_AVI_NOTIFICATION_PREDRAW, pavi->CurrentImage); }if (pavi->pfNotify) { ... } /* Handle Video frame */ WM_Deactivate(); WM_SetWindowPos(WM_HBKWIN, 0, 0, LCD_GetXSize(), LCD_GetYSize() ); if (status == 0) { r = pavi->pfDraw(pavi->pVideoBuffer, pavi->VideoBufferSize,pavi->xPos , pavi->yPos); }if (status == 0) { ... } else { r = pavi->pfDraw(pavi->pVideoBuffer, pavi->VideoBufferSize,pavi->xPos + LCD_GetXSize()/2 , pavi->yPos); }else { ... } WM_Activate(); WM_SetWindowPos(WM_HBKWIN, -LCD_GetXSize()/2, 0, 2 * LCD_GetXSize() + 20, 2 * LCD_GetYSize() ); if (pavi->pfNotify) { pavi->pfNotify(havi, GUI_AVI_NOTIFICATION_POSTDRAW, pavi->CurrentImage); }if (pavi->pfNotify) { ... } if (r) { pavi->CurrentImage = 0; pavi->pfNotify(havi, GUI_AVI_NOTIFICATION_EOF, pavi->aviInfo.TotalFrame); GUI_UNLOCK_H(pavi); return; }if (r) { ... } /* Go to Next Frame */ if (_DecodeFrame(havi)) { pavi->CurrentImage = 0; pavi->pfNotify(havi, GUI_AVI_NOTIFICATION_EOF, pavi->aviInfo.TotalFrame); GUI_UNLOCK_H(pavi); return; }if (_DecodeFrame(havi)) { ... } /* Skip images if require more time */ while ((U32)GUI_GetTime() > pavi->TimeNextFrame) { pavi->TimeNextFrame += pavi->aviInfo.SecPerFrame/ 1000; if (_DecodeFrame(havi)) { pavi->CurrentImage = 0; pavi->pfNotify(havi, GUI_AVI_NOTIFICATION_EOF, pavi->aviInfo.TotalFrame); GUI_UNLOCK_H(pavi); return; }if (_DecodeFrame(havi)) { ... } }while ((U32)GUI_GetTime() > pavi->TimeNextFrame) { ... } Period = pavi->TimeNextFrame - GUI_GetTime(); if (Period < 0) { Period = 0; }if (Period < 0) { ... } GUI_TIMER_SetPeriod(pTM->hTimer, Period); GUI_TIMER_Restart(pTM->hTimer); ...} GUI_UNLOCK_H(pavi); }{ ... } /** * @brief Creates a movie handle * @param pfGetData: pointer to GetData function * @param pfNotify: pointer to Notification callback function * @retval AVI status *//* ... */ GUI_AVI_HANDLE GUI_AVI_CreateEx(GUI_GET_DATA_FUNC * pfGetData, GUI_AVI_FUNC * pfNotify) { AVI_CONTEXT * pavi; GUI_AVI_HANDLE havi; /* Allocate context for drawing operation */ GUI_LOCK(); havi = GUI_ALLOC_AllocZero(sizeof(AVI_CONTEXT)); if (havi == 0) { GUI_UNLOCK(); return 0; }if (havi == 0) { ... } pavi = (AVI_CONTEXT *)GUI_LOCK_H(havi); { /* Save parameters */ pavi->pfNotify = pfNotify; pavi->pfGetData = pfGetData; pavi->pfDraw = (U32(*)(const void * , U32 ,U32, U32))GUI_JPEG_Draw; ...} GUI_UNLOCK_H(pavi); GUI_UNLOCK(); return havi; }{ ... } /** * @brief Starts movies showing * @param havi: AVI handle * @param pParam: AVI file params * @param FileSize: AVI file size * @retval AVI status *//* ... */ int GUI_AVI_Start(GUI_AVI_HANDLE havi, void * pParam, U32 FileSize) { AVI_CONTEXT * pavi; U32 offset; int r = 1; const U8 *pData; if (havi) { GUI_LOCK(); pavi = (AVI_CONTEXT *)GUI_LOCK_H(havi); { /* Save parameters */ pavi->pParam = pParam; pavi->FileSize = FileSize; pavi->CurrentImage = 0; if (pavi->pfGetData(pavi->pParam, &pavi->pVideoBuffer, pavi->VideoBufferSize, 0) == pavi->VideoBufferSize) { /* Parse AVI container */ _AVI_Init(havi, (U8 *)pavi->pVideoBuffer, pavi->VideoBufferSize); offset = _AVI_SearchID((U8 *)pavi->pVideoBuffer,pavi->VideoBufferSize,(U8 *)"movi"); _AVI_GetStreamInfo(havi, (U8 *)pavi->pVideoBuffer + offset + 4); /* Init Hardware */ if(pavi->pfJpegInit) { pavi->pfJpegInit(); }if (pavi->pfJpegInit) { ... } /* Read first stream */ if(pavi->aviInfo.StreamID == AVI_VIDS_FLAG) { if (pavi->pfGetData(pavi->pParam, &pavi->pVideoBuffer, pavi->aviInfo.StreamSize + 8, offset + 12) == (pavi->aviInfo.StreamSize + 8)) { _AVI_GetStreamInfo(havi, (U8 *)pavi->pVideoBuffer + pavi->aviInfo.StreamSize); }if (pavi->pfGetData(pavi->pParam, &pavi->pVideoBuffer, pavi->aviInfo.StreamSize + 8, offset + 12) == (pavi->aviInfo.StreamSize + 8)) { ... } }if (pavi->aviInfo.StreamID == AVI_VIDS_FLAG) { ... } pavi->AudioWdPtr = pavi->AudioBufferSize / 2; if(pavi->aviInfo.StreamID == AVI_AUDS_FLAG) { do{ if(pavi->AudioWdPtr >= pavi->AudioBufferSize - pavi->aviInfo.StreamSize - 8) { pavi->AudioWdPtr = 0; }if (pavi->AudioWdPtr >= pavi->AudioBufferSize - pavi->aviInfo.StreamSize - 8) { ... } pData = &pavi->pAudioBuffer[pavi->AudioWdPtr]; if(pavi->pfGetData(pavi->pParam, &pData, pavi->aviInfo.StreamSize + 8, 0xFFFFFFFF) == pavi->aviInfo.StreamSize + 8) { pavi->AudioWdPtr += pavi->aviInfo.StreamSize; }if (pavi->pfGetData(pavi->pParam, &pData, pavi->aviInfo.StreamSize + 8, 0xFFFFFFFF) == pavi->aviInfo.StreamSize + 8) { ... } _AVI_GetStreamInfo(havi, (U8 *)pData + pavi->aviInfo.StreamSize); ...} while (pavi->aviInfo.StreamID == AVI_AUDS_FLAG); }if (pavi->aviInfo.StreamID == AVI_AUDS_FLAG) { ... } }if (pavi->pfGetData(pavi->pParam, &pavi->pVideoBuffer, pavi->VideoBufferSize, 0) == pavi->VideoBufferSize) { ... } ...} GUI_UNLOCK_H(pavi); GUI_UNLOCK(); }if (havi) { ... } return r; }{ ... } /** * @brief Stop movies showing * @param havi: AVI handle * @retval AVI status *//* ... */ int GUI_AVI_Stop(GUI_AVI_HANDLE havi) { AVI_CONTEXT * pavi; int r = 1; if (havi) { GUI_LOCK(); pavi = (AVI_CONTEXT *)GUI_LOCK_H(havi); { if(pavi->pfJpegDeInit) { pavi->pfJpegDeInit(); }if (pavi->pfJpegDeInit) { ... } _Stopavi(havi); ...} GUI_UNLOCK_H(pavi); GUI_UNLOCK(); }if (havi) { ... } return r; }{ ... } /** * @brief Creates a movie handle * @param pfNotify: pointer to notification callback function * @retval AVI status *//* ... */ GUI_AVI_HANDLE GUI_AVI_Create(GUI_AVI_FUNC * pfNotify) { GUI_AVI_HANDLE havi; havi = GUI_AVI_CreateEx(_GetData, pfNotify); return havi; }{ ... } /** * @brief Starts playing a movie from the current frame * @param havi: AVI handle * @retval AVI status *//* ... */ int GUI_AVI_Play(GUI_AVI_HANDLE havi) { AVI_CONTEXT * pavi; int r; r = 1; if (havi) { GUI_LOCK(); pavi = (AVI_CONTEXT *)GUI_LOCK_H(havi); { /* Initialize timer */ if (pavi->hTimer == 0) { pavi->hTimer = GUI_TIMER_Create(_OnTimer, 0, havi, 0); if (pavi->hTimer == 0) { GUI_UNLOCK_H(pavi); GUI_UNLOCK(); GUI_ALLOC_Free(havi); return 0; }if (pavi->hTimer == 0) { ... } if (pavi->pfNotify) { pavi->pfNotify(havi, GUI_AVI_NOTIFICATION_START, pavi->CurrentImage); }if (pavi->pfNotify) { ... } pavi->TimeNextFrame = GUI_GetTime(); r = 0; }if (pavi->hTimer == 0) { ... } ...} GUI_UNLOCK_H(pavi); GUI_UNLOCK(); }if (havi) { ... } return r; }{ ... } /** * @brief Starts playing a movie starting at the first frame. * @param havi: AVI handle * @param xPos: X-position in screen coordinates to be used * @param yPos: Y-position in screen coordinates to be used * @param DoLoop: - 1 for endless loop, 0 for single loop * @retval AVI status *//* ... */ int GUI_AVI_Show(GUI_AVI_HANDLE havi, int xPos, int yPos, int DoLoop) { AVI_CONTEXT * pavi; int r; r = 1; if (havi) { GUI_LOCK(); pavi = (AVI_CONTEXT *)GUI_LOCK_H(havi); { /* Save parameters */ pavi->xPos = xPos; pavi->yPos = yPos; pavi->DoLoop = DoLoop ? 1 : 0; /* Start playing */ r = GUI_AVI_Play(havi); ...} GUI_UNLOCK_H(pavi); GUI_UNLOCK(); }if (havi) { ... } return r; }{ ... } /** * @brief Selects AVI decoding mode. * @param havi: AVI handle * @param Mode: decoding mode * @retval AVI status *//* ... */ int GUI_AVI_SelectMode (GUI_AVI_HANDLE havi, int Mode) { AVI_CONTEXT * pavi; int r = 1; if (havi) { GUI_LOCK(); pavi = (AVI_CONTEXT *)GUI_LOCK_H(havi); { if(Mode == 0) { pavi->pfDraw = (U32(*)(const void * , U32 ,U32, U32))GUI_JPEG_Draw; }if (Mode == 0) { ... } else { pavi->pfDraw = pavi->pfJpegDraw; }else { ... } r = 0; ...} GUI_UNLOCK_H(pavi); GUI_UNLOCK(); }if (havi) { ... } return r; }{ ... } /** * @brief register HW JPEG/Audio decoder functions. * @param havi: AVI handle * @retval AVI status *//* ... */ void GUI_AVI_SetDevFunc (GUI_AVI_HANDLE havi, int IdFunc, void (* pDriverFunc)(void)) { AVI_CONTEXT * pavi; if (havi) { GUI_LOCK(); pavi = (AVI_CONTEXT *)GUI_LOCK_H(havi); { switch (IdFunc) { case GUI_AVI_JPEG_INIT: pavi->pfJpegInit = pDriverFunc; break; case GUI_AVI_JPEG_INIT: case GUI_AVI_JPEG_DEINIT: pavi->pfJpegDeInit = pDriverFunc; break; case GUI_AVI_JPEG_DEINIT: case GUI_AVI_JPEG_DRAW: pavi->pfJpegDraw = (U32(*)(const void * , U32 ,U32, U32))pDriverFunc; break; case GUI_AVI_JPEG_DRAW: default: break; default }switch (IdFunc) { ... } ...} GUI_UNLOCK_H(pavi); GUI_UNLOCK(); }if (havi) { ... } }{ ... } /** * @brief Add Video/Audio decoder Buffer. * @param havi: AVI handle * @retval AVI status *//* ... */ void GUI_AVI_SetBuffers (GUI_AVI_HANDLE havi, U8 *pVidBuff, U16 VidBuffSize, U8 *pAudBuff, U16 AudBuffSize) { AVI_CONTEXT * pavi; if (havi) { GUI_LOCK(); pavi = (AVI_CONTEXT *)GUI_LOCK_H(havi); { pavi->pVideoBuffer = pVidBuff; pavi->VideoBufferSize = VidBuffSize; pavi->pAudioBuffer = pAudBuff; pavi->AudioBufferSize = AudBuffSize; ...} GUI_UNLOCK_H(pavi); GUI_UNLOCK(); }if (havi) { ... } }{ ... } /** * @brief Removes a movie data structure and associated elements like timers * from memory. * @param havi: AVI handle * @retval AVI status *//* ... */ int GUI_AVI_Delete(GUI_AVI_HANDLE havi) { AVI_CONTEXT * pavi; GUI_AVI_FUNC * pfNotify; int r; r = 1; if (havi) { GUI_LOCK(); pavi = (AVI_CONTEXT *)GUI_LOCK_H(havi); { pfNotify = pavi->pfNotify; if (pavi->hTimer) { GUI_TIMER_Delete(pavi->hTimer); pavi->hTimer = 0; }if (pavi->hTimer) { ... } if(pavi->pfJpegDeInit) { pavi->pfJpegDeInit(); }if (pavi->pfJpegDeInit) { ... } if (pfNotify) { pfNotify(havi, GUI_AVI_NOTIFICATION_DELETE, 0); }if (pfNotify) { ... } r = 0; ...} GUI_UNLOCK_H(pavi); GUI_ALLOC_Free(havi); GUI_UNLOCK(); }if (havi) { ... } return r; }{ ... } /** * @brief Stops playing. Can be restarted with GUI_AVI_Play() * @param havi: AVI handle * @retval AVI status *//* ... */ int GUI_AVI_Pause(GUI_AVI_HANDLE havi) { int r; GUI_LOCK(); r = 1; if (havi) { r = _Stopavi(havi); }if (havi) { ... } GUI_UNLOCK(); return r; }{ ... } /** * @brief Jumps to the given frame index * @param havi: AVI handle * @param Frame: frame index * @retval AVI status *//* ... */ int GUI_AVI_GotoFrame(GUI_AVI_HANDLE havi, U32 Frame) { AVI_CONTEXT * pavi; int r, pos; U16 offset; const U8 *pData; r = 0; if (havi) { GUI_LOCK(); pavi = (AVI_CONTEXT *)GUI_LOCK_H(havi); { pos = Frame * (pavi->FileSize/ pavi->aviInfo.TotalFrame); pavi->CurrentImage = Frame; if (pavi->pfGetData(pavi->pParam, &pavi->pVideoBuffer, pavi->VideoBufferSize, pos) != pavi->VideoBufferSize) { GUI_UNLOCK_H(pavi); GUI_UNLOCK(); GUI_ALLOC_Free(havi); return 0; }if (pavi->pfGetData(pavi->pParam, &pavi->pVideoBuffer, pavi->VideoBufferSize, pos) != pavi->VideoBufferSize) { ... } if(pos == 0) { offset = _AVI_SearchID((U8 *)pavi->pVideoBuffer, pavi->VideoBufferSize, (U8 *)"movi"); }if (pos == 0) { ... } else { offset = 0; }else { ... } offset += _AVI_SearchID((U8 *)pavi->pVideoBuffer + offset,pavi->VideoBufferSize, pavi->aviInfo.VideoFLAG); _AVI_GetStreamInfo(havi,(U8 *)pavi->pVideoBuffer + offset); if(pavi->aviInfo.StreamID == AVI_VIDS_FLAG) { if (pavi->pfGetData(pavi->pParam, &pavi->pVideoBuffer, pavi->aviInfo.StreamSize + 8, pos +offset + 8) == (pavi->aviInfo.StreamSize + 8)) { _AVI_GetStreamInfo(havi, (U8 *)pavi->pVideoBuffer + pavi->aviInfo.StreamSize); }if (pavi->pfGetData(pavi->pParam, &pavi->pVideoBuffer, pavi->aviInfo.StreamSize + 8, pos +offset + 8) == (pavi->aviInfo.StreamSize + 8)) { ... } }if (pavi->aviInfo.StreamID == AVI_VIDS_FLAG) { ... } if(pavi->aviInfo.StreamID == AVI_AUDS_FLAG) { do{ if(pavi->AudioWdPtr >= (pavi->AudioBufferSize - pavi->aviInfo.StreamSize - 8)) { pavi->AudioWdPtr = 0; }if (pavi->AudioWdPtr >= (pavi->AudioBufferSize - pavi->aviInfo.StreamSize - 8)) { ... } pData = &pavi->pAudioBuffer[pavi->AudioWdPtr]; if(pavi->pfGetData(pavi->pParam, &pData, pavi->aviInfo.StreamSize + 8, 0xFFFFFFFF) == pavi->aviInfo.StreamSize + 8) { pavi->AudioWdPtr += pavi->aviInfo.StreamSize; _AVI_GetStreamInfo(havi, (U8 *)&pData[pavi->aviInfo.StreamSize]); }if (pavi->pfGetData(pavi->pParam, &pData, pavi->aviInfo.StreamSize + 8, 0xFFFFFFFF) == pavi->aviInfo.StreamSize + 8) { ... } ...} while (pavi->aviInfo.StreamID == AVI_AUDS_FLAG); }if (pavi->aviInfo.StreamID == AVI_AUDS_FLAG) { ... } if (pavi->pfNotify) { pavi->pfNotify(havi, GUI_AVI_NOTIFICATION_PREDRAW, pavi->CurrentImage); }if (pavi->pfNotify) { ... } /* Handle Video frame */ WM_Deactivate(); r = pavi->pfDraw(pavi->pVideoBuffer, pavi->VideoBufferSize, pavi->xPos, pavi->yPos); WM_Activate(); if (pavi->pfNotify) { pavi->pfNotify(havi, GUI_AVI_NOTIFICATION_POSTDRAW, pavi->CurrentImage); }if (pavi->pfNotify) { ... } ...} GUI_UNLOCK_H(pavi); GUI_UNLOCK(); }if (havi) { ... } return r; }{ ... } /** * @brief Get frame index * @param havi: AVI handle * @retval Returns the current frame index. *//* ... */ U32 GUI_AVI_GetFrameIndex(GUI_AVI_HANDLE havi) { AVI_CONTEXT * pavi; U32 r; r = 0xFFFFFFFF; if (havi) { GUI_LOCK(); pavi = (AVI_CONTEXT *)GUI_LOCK_H(havi); { r = pavi->CurrentImage; ...} GUI_UNLOCK_H(pavi); GUI_UNLOCK(); }if (havi) { ... } return r; }{ ... } /** * @brief Fills a GUI_AVI_INFO structure of a movie file not located in * addressable memory area. * @param havi: AVI handle * @param pInfo: pointer to the file information * @retval Returns the current frame index. *//* ... */ int GUI_AVI_GetInfo(GUI_AVI_HANDLE havi, GUI_AVI_INFO * pInfo) { AVI_CONTEXT * pavi; pavi = (AVI_CONTEXT *)GUI_LOCK_H(havi); { pInfo->msPerFrame = pavi->aviInfo.SecPerFrame/ 1000; pInfo->NumFrames = pavi->aviInfo.TotalFrame; pInfo->xSize = pavi->aviInfo.Width; pInfo->ySize = pavi->aviInfo.Height; ...} GUI_UNLOCK_H(pavi); return 0; }{ ... }
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