ref: a893e2231152216d5a6cd262a153f17d2ee1eb50
dir: /codec/decoder/plus/inc/welsDecoderExt.h/
/*!
* \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 DecodeFrame2 (const unsigned char* kpSrc,
const int kiSrcLen,
unsigned char** ppDst,
SBufferInfo* 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);
private:
PWelsDecoderContext m_pDecContext;
welsCodecTrace* m_pWelsTrace;
void InitDecoder (void);
void UninitDecoder (void);
#ifdef OUTPUT_BIT_STREAM
WelsFileHandle* m_pFBS;
WelsFileHandle* m_pFBSSize;
#endif//OUTPUT_BIT_STREAM
};
} // namespace WelsDec
#endif // !defined(WELS_PLUS_WELSDECODEREXT_H)