ref: a1a3873a62b8dbaed584b5b02e73ceae69f26ba0
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 "picture_handle.h"
#include "svc_motion_estimate.h"
namespace WelsEnc {
/*!
* \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 bNeedMbInfo, int32_t iNeedFeatureStorage) {
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->pRefMbQp");
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));
}
if (iNeedFeatureStorage) {
pPic->pScreenBlockFeatureStorage = static_cast<SScreenBlockFeatureStorage*> (pMa->WelsMallocz (sizeof (
SScreenBlockFeatureStorage), "pScreenBlockFeatureStorage"));
int32_t iReturn = RequestScreenBlockFeatureStorage (pMa, kiWidth, kiHeight, iNeedFeatureStorage,
pPic->pScreenBlockFeatureStorage);
WELS_VERIFY_RETURN_PROC_IF (NULL, ENC_RETURN_SUCCESS != iReturn, FreePicture (pMa, &pPic));
} else {
pPic->pScreenBlockFeatureStorage = NULL;
}
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->uiRefMbType");
pPic->uiRefMbType = NULL;
}
if (pPic->pRefMbQp) {
pMa->WelsFree (pPic->pRefMbQp, "pPic->pRefMbQp");
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;
}
if (pPic->pScreenBlockFeatureStorage) {
ReleaseScreenBlockFeatureStorage (pMa, pPic->pScreenBlockFeatureStorage);
pMa->WelsFree (pPic->pScreenBlockFeatureStorage, "pPic->pScreenBlockFeatureStorage");
pPic->pScreenBlockFeatureStorage = NULL;
}
pMa->WelsFree (*ppPic, "pPic");
*ppPic = NULL;
}
}
} // namespace WelsEnc