ref: 2edc251ded2d7d7c8d9f82f99b3d072aa2581131
dir: /codec/encoder/core/src/picture_handle.cpp/
/*!
* \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 picture_handle.c
*
* \brief picture pData handling
*
* \date 5/20/2009 Created
*
*************************************************************************************/
#include <string.h>
#include <assert.h>
#include "picture_handle.h"
#include "wels_const.h"
#include "utils.h"
#include "macros.h"
namespace WelsSVCEnc {
/*!
* \brief alloc picture pData with borders for each plane based width and height of picture
* \param cx width of picture in pixels
* \param cy height of picture in pixels
* \param need_data need pData allocation
* \pram need_expand need borders expanding
* \return successful if effective picture pointer returned, otherwise failed with NULL
*/
SPicture *AllocPicture( CMemoryAlign *pMa, const int32_t kiWidth , const int32_t kiHeight, bool_t bNeedMbInfo )
{
SPicture *pPic = NULL;
int32_t iPicWidth = 0;
int32_t iPicHeight= 0;
int32_t iPicChromaWidth = 0;
int32_t iPicChromaHeight = 0;
int32_t iLumaSize = 0;
int32_t iChromaSize = 0;
pPic = static_cast<SPicture*>(pMa->WelsMallocz( sizeof(SPicture), "pPic" ));
WELS_VERIFY_RETURN_IF( NULL, NULL == pPic );
iPicWidth = WELS_ALIGN(kiWidth, MB_WIDTH_LUMA) + (PADDING_LENGTH<<1); // with width of horizon
iPicHeight = WELS_ALIGN(kiHeight, MB_HEIGHT_LUMA) + (PADDING_LENGTH<<1); // with height of vertical
iPicChromaWidth = iPicWidth >> 1;
iPicChromaHeight = iPicHeight >> 1;
iPicWidth = WELS_ALIGN( iPicWidth, 32 ); // 32(or 16 for chroma below) to match original imp. here instead of cache_line_size
iPicChromaWidth = WELS_ALIGN( iPicChromaWidth, 16 );
iLumaSize = iPicWidth * iPicHeight;
iChromaSize = iPicChromaWidth * iPicChromaHeight;
pPic->pBuffer = (uint8_t*)pMa->WelsMalloc( iLumaSize /* luma */
+ (iChromaSize << 1) /* Cb,Cr */
, "pPic->pBuffer" );
WELS_VERIFY_RETURN_PROC_IF( NULL, NULL == pPic->pBuffer, FreePicture(pMa, &pPic) );
pPic->iLineSize[0] = iPicWidth;
pPic->iLineSize[1] = pPic->iLineSize[2] = iPicChromaWidth;
pPic->pData[0] = pPic->pBuffer + (1+pPic->iLineSize[0]) * PADDING_LENGTH;
pPic->pData[1] = pPic->pBuffer + iLumaSize + ( ((1+pPic->iLineSize[1]) * PADDING_LENGTH) >> 1 );
pPic->pData[2] = pPic->pBuffer + iLumaSize + iChromaSize + ( ((1+pPic->iLineSize[2]) * PADDING_LENGTH) >> 1 );
pPic->iWidthInPixel = kiWidth;
pPic->iHeightInPixel = kiHeight;
pPic->iFrameNum = -1;
pPic->bIsLongRef = false;
pPic->iLongTermPicNum = -1;
pPic->uiRecieveConfirmed = 0;
pPic->iMarkFrameNum = -1;
if ( bNeedMbInfo )
{
const uint32_t kuiCountMbNum = ((15+kiWidth) >> 4) * ((15+kiHeight) >> 4);
pPic->uiRefMbType = (uint32_t *)pMa->WelsMallocz( kuiCountMbNum * sizeof(uint32_t), "pPic->uiRefMbType" );
WELS_VERIFY_RETURN_PROC_IF( NULL, NULL == pPic->uiRefMbType, FreePicture(pMa, &pPic) );
pPic->pRefMbQp = (uint8_t *)pMa->WelsMallocz( kuiCountMbNum * sizeof(uint8_t), "pPic->bgd_mb_qp" );
WELS_VERIFY_RETURN_PROC_IF( NULL, NULL == pPic->pRefMbQp, FreePicture(pMa, &pPic) );
pPic->sMvList = static_cast<SMVUnitXY *>(pMa->WelsMallocz( kuiCountMbNum*sizeof(SMVUnitXY), "pPic->sMvList" ));
WELS_VERIFY_RETURN_PROC_IF( NULL, NULL == pPic->sMvList, FreePicture(pMa, &pPic) );
pPic->pMbSkipSad = (int32_t *)pMa->WelsMallocz( kuiCountMbNum*sizeof(int32_t), "pPic->pMbSkipSad" );
WELS_VERIFY_RETURN_PROC_IF( NULL, NULL == pPic->pMbSkipSad, FreePicture(pMa, &pPic) );
}
return pPic;
}
/*!
* \brief free picture pData planes
* \param pPic picture pointer to be destoryed
* \return none
*/
void FreePicture( CMemoryAlign *pMa, SPicture **ppPic )
{
if ( NULL != ppPic && NULL != *ppPic )
{
SPicture *pPic = *ppPic;
if ( NULL != pPic->pBuffer )
{
pMa->WelsFree( pPic->pBuffer, "pPic->pBuffer" );
pPic->pBuffer = NULL;
}
pPic->pBuffer = NULL;
pPic->pData[0] =
pPic->pData[1] =
pPic->pData[2] = NULL;
pPic->iLineSize[0] =
pPic->iLineSize[1] =
pPic->iLineSize[2] = 0;
pPic->iWidthInPixel = 0;
pPic->iHeightInPixel = 0;
pPic->iFrameNum = -1;
pPic->bIsLongRef = false;
pPic->uiRecieveConfirmed = 0;
pPic->iLongTermPicNum = -1;
pPic->iMarkFrameNum = -1;
if ( pPic->uiRefMbType)
{
pMa->WelsFree( pPic->uiRefMbType, "pPic->bgd_mb_type" );
pPic->uiRefMbType = NULL;
}
if ( pPic->pRefMbQp)
{
pMa->WelsFree( pPic->pRefMbQp, "pPic->bgd_mb_qp" );
pPic->pRefMbQp = NULL;
}
if ( pPic->sMvList )
{
pMa->WelsFree( pPic->sMvList, "pPic->sMvList" );
pPic->sMvList = NULL;
}
if ( pPic->pMbSkipSad )
{
pMa->WelsFree( pPic->pMbSkipSad, "pPic->pMbSkipSad" );
pPic->pMbSkipSad = NULL;
}
pMa->WelsFree( *ppPic, "pPic" );
*ppPic = NULL;
}
}
/*!
* \brief exchange two picture pData planes
* \param ppPic1 picture pointer to picture 1
* \param ppPic2 picture pointer to picture 2
* \return none
*/
void WelsExchangeSpatialPictures( SPicture **ppPic1, SPicture **ppPic2 )
{
SPicture *tmp = *ppPic1;
assert( *ppPic1 != *ppPic2 );
*ppPic1 = *ppPic2;
*ppPic2 = tmp;
}
} // namespace WelsSVCEnc