openh264/codec/encoder/core/inc/extern.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.
 *
 *
 * \file	extern.h
 *
 * \brief	extern interfaces between core and plus of wels encoder
 *
 * \date	4/21/2009 Created
 *
 *************************************************************************************
 */
#if !defined(WELS_ENCODER_EXTERN_H__)
#define WELS_ENCODER_EXTERN_H__

#include "typedefs.h"
#include "encoder_context.h"

namespace WelsSVCEnc {

/*!
 * \brief	initialize source picture body
 * \param	kpSrc		SSourcePicture*
 * \param	kiCsp		internal csp format
 * \param	kiWidth	widht of picture in pixels
 * \param	kiHeight	height of picture in pixels
 * \return	successful - 0; otherwise none 0 for failed
 */
int32_t InitPic (const void* kpSrc, const int32_t kiCsp, const int32_t kiWidth, const int32_t kiHeight);

/*
 *	SVC core encoder external interfaces
 */

/*!
 * \brief	validate checking in parameter configuration
 * \pParam	pParam		SWelsSvcCodingParam*
 * \return	successful - 0; otherwise none 0 for failed
 */
int32_t ParamValidationExt (void* pParam);

// GOM based RC related for uiSliceNum decision
void GomValidCheck (const int32_t kiMbWidth, const int32_t kiMbHeight, int32_t* pSliceNum);

/*!
 * \brief	initialize Wels avc encoder core library
 * \param	ppCtx		sWelsEncCtx**
 * \param	para		SWelsSvcCodingParam*
 * \return	successful - 0; otherwise none 0 for failed
 */
int32_t WelsInitEncoderExt (sWelsEncCtx** ppCtx, SWelsSvcCodingParam* pPara);

/*!
 * \brief	uninitialize Wels encoder core library
 * \param	pEncCtx		sWelsEncCtx*
 * \return	none
 */
void WelsUninitEncoderExt (sWelsEncCtx** ppCtx);

/*!
 * \brief	core svc encoding process
 *
 * \param	h			sWelsEncCtx*, encoder context
 * \param	dst			FrameBSInfo*
 * \param	pSrc			SSourcePicture* for need_ds = true or SSourcePicture** for need_ds = false
 * \param	kiConfiguredLayerNum	=1 in case need_ds = true or >1 in case need_ds = false
 * \param	need_ds		Indicate whether need down sampling desired
 *						[NO in picture list case, YES in console aplication based]
 * \return	EFrameType (WELS_FRAME_TYPE_IDR/WELS_FRAME_TYPE_I/WELS_FRAME_TYPE_P)
 */
int32_t WelsEncoderEncodeExt (sWelsEncCtx*, void* pDst, const SSourcePicture** kppSrcList,
                              const int32_t kiConfiguredLayerNum);

/*
 * Force coding IDR as follows
 */
int32_t ForceCodingIDR (sWelsEncCtx* pCtx);

/*!
 * \brief	Wels SVC encoder parameters adjustment
 *			SVC adjustment results in new requirement in memory blocks adjustment
 */
int32_t WelsEncoderParamAdjust (sWelsEncCtx** ppCtx, SWelsSvcCodingParam* pNew);
void WelsEncoderApplyFrameRate (SWelsSvcCodingParam* pParam);
void WelsEncoderApplyBitRate(SWelsSvcCodingParam* pParam);

int32_t FilterLTRRecoveryRequest (sWelsEncCtx* pCtx, SLTRRecoverRequest* pLTRRecoverRequest);

void FilterLTRMarkingFeedback (sWelsEncCtx* pCtx, SLTRMarkingFeedback* pLTRMarkingFeedback);
}

#endif//WELS_ENCODER_CALLBACK_H__