/*! * \copy *     Copyright (c)  2009-2013, Cisco Systems *     All rights reserved. * *     Redistribution and use in source and binary forms, with or without *     modification, are permitted provided that the following conditions *     are met: * *        * Redistributions of source code must retain the above copyright *          notice, this list of conditions and the following disclaimer. * *        * Redistributions in binary form must reproduce the above copyright *          notice, this list of conditions and the following disclaimer in *          the documentation and/or other materials provided with the *          distribution. * *     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS *     "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT *     LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS *     FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE *     COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, *     INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, *     BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; *     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER *     CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT *     LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN *     ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE *     POSSIBILITY OF SUCH DAMAGE. * * *  WelsDecoderExt.h * *  Abstract *      Cisco OpenH264 decoder extension utilization interface * *  History *      3/12/2009 Created * * *************************************************************************/#if !defined(WELS_PLUS_WELSDECODEREXT_H)#define WELS_PLUS_WELSDECODEREXT_H #include "codec_api.h"#include "codec_app_def.h"#include "decoder_context.h"#include "welsCodecTrace.h"#include "cpu.h" class ISVCDecoder; namespace WelsDec { //#define OUTPUT_BIT_STREAM  ////for test to output bitstream class CWelsDecoder : public ISVCDecoder { public:  CWelsDecoder (void);  virtual ~CWelsDecoder();   virtual long EXTAPI Initialize (const SDecodingParam* pParam);  virtual long EXTAPI Uninitialize();   /***************************************************************************  *   Description:  *       Decompress one frame, and output I420 or RGB24(in the future) decoded stream and its length.  *   Input parameters:  *       Parameter       TYPE                   Description  *       pSrc            unsigned char*         the h264 stream to decode  *       srcLength       int                    the length of h264 steam  *       pDst            unsigned char*         buffer pointer of decoded data  *       pDstInfo        SBufferInfo&           information provided to API including width, height, SW/HW option, etc  *  *   return: if decode frame success return 0, otherwise corresponding error returned.  ***************************************************************************/  virtual DECODING_STATE EXTAPI DecodeFrame (const unsigned char* kpSrc,      const int kiSrcLen,      unsigned char** ppDst,      int* pStride,      int& iWidth,      int& iHeight);   virtual DECODING_STATE EXTAPI DecodeFrameNoDelay (const unsigned char* kpSrc,      const int kiSrcLen,      unsigned char** ppDst,      SBufferInfo* pDstInfo);   virtual DECODING_STATE EXTAPI DecodeFrame2 (const unsigned char* kpSrc,      const int kiSrcLen,      unsigned char** ppDst,      SBufferInfo* pDstInfo);   virtual DECODING_STATE EXTAPI FlushFrame (unsigned char** ppDst,      SBufferInfo* pDstInfo);   virtual DECODING_STATE EXTAPI DecodeParser (const unsigned char* kpSrc,      const int kiSrcLen,      SParserBsInfo* pDstInfo);  virtual DECODING_STATE EXTAPI DecodeFrameEx (const unsigned char* kpSrc,      const int kiSrcLen,      unsigned char* pDst,      int iDstStride,      int& iDstLen,      int& iWidth,      int& iHeight,      int& color_format);   virtual long EXTAPI SetOption (DECODER_OPTION eOptID, void* pOption);  virtual long EXTAPI GetOption (DECODER_OPTION eOptID, void* pOption);  public:  DECODING_STATE DecodeFrame2WithCtx (PWelsDecoderContext pCtx, const unsigned char* kpSrc, const int kiSrcLen,                                      unsigned char** ppDst, SBufferInfo* pDstInfo);  DECODING_STATE ParseAccessUnit (SWelsDecoderThreadCTX& sThreadCtx);  private:  welsCodecTrace*         m_pWelsTrace;  uint32_t                m_uiDecodeTimeStamp;  bool                    m_bIsBaseline;  int32_t                 m_iCpuCount;  int32_t                 m_iThreadCount;  int32_t                 m_iCtxCount;  PPicBuff                m_pPicBuff;  bool                    m_bParamSetsLostFlag;  bool                    m_bFreezeOutput;  int32_t                 m_DecCtxActiveCount;  PWelsDecoderThreadCTX   m_pDecThrCtx;  PWelsDecoderThreadCTX   m_pLastDecThrCtx;  int32_t                 m_iLastBufferedIdx;  WELS_MUTEX              m_csDecoder;  SWelsDecEvent           m_sBufferingEvent;  SWelsDecEvent           m_sReleaseBufferEvent;  SWelsDecSemphore        m_sIsBusy;  SPictInfo               m_sPictInfoList[16];  SPictReoderingStatus    m_sReoderingStatus;  PWelsDecoderThreadCTX   m_pDecThrCtxActive[WELS_DEC_MAX_NUM_CPU];  SVlcTable               m_sVlcTable;  SWelsLastDecPicInfo     m_sLastDecPicInfo;  SDecoderStatistics      m_sDecoderStatistics;// For real time debugging  private:  int32_t InitDecoder (const SDecodingParam* pParam);  void UninitDecoder (void);  int32_t InitDecoderCtx (PWelsDecoderContext& pCtx, const SDecodingParam* pParam);  void UninitDecoderCtx (PWelsDecoderContext& pCtx);  int32_t ResetDecoder (PWelsDecoderContext& pCtx);  int32_t ThreadResetDecoder (PWelsDecoderContext& pCtx);   void OutputStatisticsLog (SDecoderStatistics& sDecoderStatistics);  DECODING_STATE ReorderPicturesInDisplay (PWelsDecoderContext pCtx, unsigned char** ppDst, SBufferInfo* pDstInfo);  int ThreadDecodeFrameInternal (const unsigned char* kpSrc, const int kiSrcLen, unsigned char** ppDst,                                 SBufferInfo* pDstInfo);  void BufferingReadyPicture (PWelsDecoderContext pCtx, unsigned char** ppDst, SBufferInfo* pDstInfo);  void ReleaseBufferedReadyPicture (PWelsDecoderContext pCtx, unsigned char** ppDst, SBufferInfo* pDstInfo);   void OpenDecoderThreads();  void CloseDecoderThreads();#ifdef OUTPUT_BIT_STREAM  WelsFileHandle* m_pFBS;  WelsFileHandle* m_pFBSSize;#endif//OUTPUT_BIT_STREAM }; } // namespace WelsDec #endif // !defined(WELS_PLUS_WELSDECODEREXT_H)