ref: 58cc29225e2f51aa971ae0632d584daa4be986c3
dir: /codec/api/svc/codec_api.h/
/*!
* \copy
* Copyright (c) 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.
*
*/
#ifndef WELS_VIDEO_CODEC_SVC_API_H__
#define WELS_VIDEO_CODEC_SVC_API_H__
#ifndef __cplusplus
#ifdef _MSC_VER
typedef unsigned char bool;
#else
#include <stdbool.h>
#endif
#endif
#include "codec_app_def.h"
#include "codec_def.h"
#if defined(_WIN32) || defined(__cdecl)
#define EXTAPI __cdecl
#else
#define EXTAPI
#endif
#ifdef __cplusplus
class ISVCEncoder {
public:
/*
* return: CM_RETURN: 0 - success; otherwise - failed;
*/
virtual int EXTAPI Initialize (const SEncParamBase* pParam) = 0;
virtual int EXTAPI InitializeExt (const SEncParamExt* pParam) = 0;
virtual int EXTAPI GetDefaultParams (SEncParamExt* pParam) = 0;
virtual int EXTAPI Uninitialize() = 0;
/*
* return: 0 - success; otherwise -failed;
*/
virtual int EXTAPI EncodeFrame (const SSourcePicture* kpSrcPic, SFrameBSInfo* pBsInfo) = 0;
/*
* return: 0 - success; otherwise - failed;
*/
virtual int EXTAPI EncodeParameterSets (SFrameBSInfo* pBsInfo) = 0;
/*
* return: 0 - success; otherwise - failed;
*/
virtual int EXTAPI ForceIntraFrame (bool bIDR) = 0;
/************************************************************************
* InDataFormat, IDRInterval, SVC Encode Param, Frame Rate, Bitrate,..
************************************************************************/
/*
* return: CM_RETURN: 0 - success; otherwise - failed;
*/
virtual int EXTAPI SetOption (ENCODER_OPTION eOptionId, void* pOption) = 0;
virtual int EXTAPI GetOption (ENCODER_OPTION eOptionId, void* pOption) = 0;
virtual ~ISVCEncoder() {}
};
class ISVCDecoder {
public:
virtual long EXTAPI Initialize (const SDecodingParam* pParam) = 0;
virtual long EXTAPI Uninitialize() = 0;
virtual DECODING_STATE EXTAPI DecodeFrame (const unsigned char* pSrc,
const int iSrcLen,
unsigned char** ppDst,
int* pStride,
int& iWidth,
int& iHeight) = 0;
/*
* return: 0 - success; otherwise -failed;
*/
virtual DECODING_STATE EXTAPI DecodeFrame2 (const unsigned char* pSrc,
const int iSrcLen,
unsigned char** ppDst,
SBufferInfo* pDstInfo) = 0;
/*
* This function parse input bitstream only, and rewrite possible SVC syntax to AVC syntax
* return: 0 - success; otherwise -failed;
*/
virtual DECODING_STATE EXTAPI DecodeParser (const unsigned char* pSrc,
const int iSrcLen,
SParserBsInfo* pDstInfo) = 0;
/*
* this API does not work for now!! This is for future use to support non-I420 color format output.
*/
virtual DECODING_STATE EXTAPI DecodeFrameEx (const unsigned char* pSrc,
const int iSrcLen,
unsigned char* pDst,
int iDstStride,
int& iDstLen,
int& iWidth,
int& iHeight,
int& iColorFormat) = 0;
/*************************************************************************
* OutDataFormat, Eos Flag, EC method, ...
*************************************************************************/
virtual long EXTAPI SetOption (DECODER_OPTION eOptionId, void* pOption) = 0;
virtual long EXTAPI GetOption (DECODER_OPTION eOptionId, void* pOption) = 0;
virtual ~ISVCDecoder() {}
};
extern "C"
{
#else
typedef struct ISVCEncoderVtbl ISVCEncoderVtbl;
typedef const ISVCEncoderVtbl* ISVCEncoder;
struct ISVCEncoderVtbl {
int (*Initialize) (ISVCEncoder*, const SEncParamBase* pParam);
int (*InitializeExt) (ISVCEncoder*, const SEncParamExt* pParam);
int (*GetDefaultParams) (ISVCEncoder*, SEncParamExt* pParam);
int (*Uninitialize) (ISVCEncoder*);
int (*EncodeFrame) (ISVCEncoder*, const SSourcePicture* kpSrcPic, SFrameBSInfo* pBsInfo);
int (*EncodeParameterSets) (ISVCEncoder*, SFrameBSInfo* pBsInfo);
int (*ForceIntraFrame) (ISVCEncoder*, bool bIDR);
int (*SetOption) (ISVCEncoder*, ENCODER_OPTION eOptionId, void* pOption);
int (*GetOption) (ISVCEncoder*, ENCODER_OPTION eOptionId, void* pOption);
};
typedef struct ISVCDecoderVtbl ISVCDecoderVtbl;
typedef const ISVCDecoderVtbl* ISVCDecoder;
struct ISVCDecoderVtbl {
long (*Initialize) (ISVCDecoder*, const SDecodingParam* pParam);
long (*Uninitialize) (ISVCDecoder*);
DECODING_STATE (*DecodeFrame) (ISVCDecoder*, const unsigned char* pSrc,
const int iSrcLen,
unsigned char** ppDst,
int* pStride,
int* iWidth,
int* iHeight);
DECODING_STATE (*DecodeFrame2) (ISVCDecoder*, const unsigned char* pSrc,
const int iSrcLen,
unsigned char** ppDst,
SBufferInfo* pDstInfo);
DECODING_STATE (*DecodeParser) (ISVCDecoder*, const unsigned char* pSrc,
const int iSrcLen,
SParserBsInfo* pDstInfo);
DECODING_STATE (*DecodeFrameEx) (ISVCDecoder*, const unsigned char* pSrc,
const int iSrcLen,
unsigned char* pDst,
int iDstStride,
int* iDstLen,
int* iWidth,
int* iHeight,
int* iColorFormat);
long (*SetOption) (ISVCDecoder*, DECODER_OPTION eOptionId, void* pOption);
long (*GetOption) (ISVCDecoder*, DECODER_OPTION eOptionId, void* pOption);
};
#endif
typedef void (*WelsTraceCallback) (void* ctx, int level, const char* string);
int WelsCreateSVCEncoder (ISVCEncoder** ppEncoder);
void WelsDestroySVCEncoder (ISVCEncoder* pEncoder);
int WelsGetDecoderCapability (SDecoderCapability* pDecCapability);
long WelsCreateDecoder (ISVCDecoder** ppDecoder);
void WelsDestroyDecoder (ISVCDecoder* pDecoder);
#ifdef __cplusplus
}
#endif
#endif//WELS_VIDEO_CODEC_SVC_API_H__