/*
* free memory dynamically allocated during decoder
*/
void WelsFreeDynamicMemory (PWelsDecoderContext pCtx) {
int32_t iListIdx = 0;
CMemoryAlign* pMa = pCtx->pMemAlign;
//free dq layer memory
UninitialDqLayersContext (pCtx);
//free FMO memory
ResetFmoList (pCtx);
//free ref-pic list & picture memory
WelsResetRefPic (pCtx);
for (iListIdx = LIST_0; iListIdx < LIST_A; ++ iListIdx) {
PPicBuff* pPicBuff = &pCtx->pPicBuff[iListIdx];
if (NULL != pPicBuff && NULL != *pPicBuff) {
DestroyPicBuff (pPicBuff, pMa);
}
}
// added for safe memory
pCtx->iImgWidthInPixel = 0;
pCtx->iImgHeightInPixel = 0;
pCtx->iLastImgWidthInPixel = 0;
pCtx->iLastImgHeightInPixel = 0;
pCtx->bFreezeOutput = true;
pCtx->bHaveGotMemory = false;
//free CABAC memory
pMa->WelsFree (pCtx->pCabacDecEngine, "pCtx->pCabacDecEngine");
}
//Tests of WelsGetCacheLineSize Begin
TEST (MemoryAlignTest, GetCacheLineSize_LoopWithin16K) {
const unsigned int kuiTestBoundary16K = 16 * 1024;
unsigned int uiTargetAlign = 1;
while (uiTargetAlign < kuiTestBoundary16K) {
CMemoryAlign cTestMa (uiTargetAlign);
ASSERT_EQ ((uiTargetAlign & 0x0F) ? 16 : uiTargetAlign, cTestMa.WelsGetCacheLineSize());
++ uiTargetAlign;
}
}
//Tests of WelsGetCacheLineSize End
//Tests of WelsMallocAndFree Begin
TEST (MemoryAlignTest, WelsMallocAndFreeOnceFunctionVerify) {
const uint32_t kuiTargetAlignSize[4] = {32, 16, 64, 8};
const uint32_t kuiZero = 0;
for (int i = 0; i < 4; i++) {
const uint32_t kuiTestAlignSize = kuiTargetAlignSize[i];
const uint32_t kuiTestDataSize = abs (rand());
CMemoryAlign cTestMa (kuiTestAlignSize);
const uint32_t uiSize = kuiTestDataSize;
const char strUnitTestTag[100] = "pUnitTestData";
const uint32_t kuiUsedCacheLineSize = ((kuiTestAlignSize == 0)
|| (kuiTestAlignSize & 0x0F)) ? (16) : (kuiTestAlignSize);
const uint32_t kuiExtraAlignSize = kuiUsedCacheLineSize - 1;
const uint32_t kuiExpectedSize = sizeof (void**) + sizeof (int32_t) + kuiExtraAlignSize + uiSize;
uint8_t* pUnitTestData = static_cast<uint8_t*> (cTestMa.WelsMalloc (uiSize, strUnitTestTag));
if (pUnitTestData != NULL) {
ASSERT_TRUE ((((uintptr_t) (pUnitTestData)) & kuiExtraAlignSize) == 0);
EXPECT_EQ (kuiExpectedSize, cTestMa.WelsGetMemoryUsage());
cTestMa.WelsFree (pUnitTestData, strUnitTestTag);
EXPECT_EQ (kuiZero, cTestMa.WelsGetMemoryUsage());
} else {
EXPECT_EQ (NULL, pUnitTestData);
EXPECT_EQ (kuiZero, cTestMa.WelsGetMemoryUsage());
cTestMa.WelsFree (pUnitTestData, strUnitTestTag);
EXPECT_EQ (kuiZero, cTestMa.WelsGetMemoryUsage());
}
}
}
int32_t RequestMtResource (sWelsEncCtx** ppCtx, SWelsSvcCodingParam* pCodingParam, const int32_t iCountBsLen,
const int32_t iTargetSpatialBsSize) {
CMemoryAlign* pMa = NULL;
SWelsSvcCodingParam* pPara = NULL;
SSliceThreading* pSmt = NULL;
SWelsSliceBs* pSliceB = NULL;
uint8_t* pBsBase = NULL;
int32_t iNumSpatialLayers = 0;
int32_t iThreadNum = 0;
int32_t iIdx = 0;
int32_t iSliceBsBufferSize = 0;
int16_t iMaxSliceNum = 1;
int32_t iReturn = ENC_RETURN_SUCCESS;
if (NULL == ppCtx || NULL == pCodingParam || NULL == *ppCtx || iCountBsLen <= 0)
return 1;
pMa = (*ppCtx)->pMemAlign;
pPara = pCodingParam;
iNumSpatialLayers = pPara->iSpatialLayerNum;
iThreadNum = pPara->iCountThreadsNum;
iMaxSliceNum = (*ppCtx)->iMaxSliceCount;
pSmt = (SSliceThreading*)pMa->WelsMalloc (sizeof (SSliceThreading), "SSliceThreading");
WELS_VERIFY_RETURN_PROC_IF (1, (NULL == pSmt), FreeMemorySvc (ppCtx))
(*ppCtx)->pSliceThreading = pSmt;
pSmt->pThreadPEncCtx = (SSliceThreadPrivateData*)pMa->WelsMalloc (sizeof (SSliceThreadPrivateData) * iThreadNum,
"pThreadPEncCtx");
WELS_VERIFY_RETURN_PROC_IF (1, (NULL == pSmt->pThreadPEncCtx), FreeMemorySvc (ppCtx))
#ifdef _WIN32
// Dummy event namespace, the windows events don't actually use this
WelsSnprintf (pSmt->eventNamespace, sizeof (pSmt->eventNamespace), "%p", (void*) *ppCtx);
#else
WelsSnprintf (pSmt->eventNamespace, sizeof (pSmt->eventNamespace), "%p%x", (void*) *ppCtx, getpid());
#endif//!_WIN32
iIdx = 0;
while (iIdx < iNumSpatialLayers) {
SSliceConfig* pMso = &pPara->sSpatialLayers[iIdx].sSliceCfg;
const int32_t kiSliceNum = pMso->sSliceArgument.uiSliceNum;
if (((pMso->uiSliceMode == SM_FIXEDSLCNUM_SLICE) || (pMso->uiSliceMode == SM_AUTO_SLICE))
&& pPara->iMultipleThreadIdc > 1
&& pPara->iMultipleThreadIdc >= kiSliceNum) {
pSmt->pSliceConsumeTime[iIdx] = (uint32_t*)pMa->WelsMallocz (kiSliceNum * sizeof (uint32_t), "pSliceConsumeTime[]");
WELS_VERIFY_RETURN_PROC_IF (1, (NULL == pSmt->pSliceConsumeTime[iIdx]), FreeMemorySvc (ppCtx))
pSmt->pSliceComplexRatio[iIdx] = (int32_t*)pMa->WelsMalloc (kiSliceNum * sizeof (int32_t), "pSliceComplexRatio[]");
WELS_VERIFY_RETURN_PROC_IF (1, (NULL == pSmt->pSliceComplexRatio[iIdx]), FreeMemorySvc (ppCtx))
} else {
static int32_t CreatePicBuff (PWelsDecoderContext pCtx, PPicBuff* ppPicBuf, const int32_t kiSize,
const int32_t kiPicWidth, const int32_t kiPicHeight) {
PPicBuff pPicBuf = NULL;
int32_t iPicIdx = 0;
if (kiSize <= 0 || kiPicWidth <= 0 || kiPicHeight <= 0) {
return 1;
}
CMemoryAlign* pMa = pCtx->pMemAlign;
pPicBuf = (PPicBuff)pMa->WelsMallocz (sizeof (SPicBuff), "PPicBuff");
if (NULL == pPicBuf) {
return 1;
}
pPicBuf->ppPic = (PPicture*)pMa->WelsMallocz (kiSize * sizeof (PPicture), "PPicture*");
if (NULL == pPicBuf->ppPic) {
pPicBuf->iCapacity = 0;
DestroyPicBuff (&pPicBuf, pMa);
return 1;
}
for (iPicIdx = 0; iPicIdx < kiSize; ++ iPicIdx) {
PPicture pPic = AllocPicture (pCtx, kiPicWidth, kiPicHeight);
if (NULL == pPic) {
// init capacity first for free memory
pPicBuf->iCapacity = iPicIdx;
DestroyPicBuff (&pPicBuf, pMa);
return 1;
}
pPicBuf->ppPic[iPicIdx] = pPic;
}
// initialize context in queue
pPicBuf->iCapacity = kiSize;
pPicBuf->iCurrentIdx = 0;
* ppPicBuf = pPicBuf;
return 0;
}
TEST (MemoryAlignTest, GetCacheLineSize_MaxUINT) {
CMemoryAlign cTestMa (0xFFFFFFFF);
const uint32_t kuiSixteen = 16;
ASSERT_EQ (kuiSixteen, cTestMa.WelsGetCacheLineSize());
}
void ReleaseMtResource (sWelsEncCtx** ppCtx) {
SWelsSliceBs* pSliceB = NULL;
SSliceThreading* pSmt = NULL;
CMemoryAlign* pMa = NULL;
int32_t iIdx = 0;
int32_t iThreadNum = 0;
int16_t uiSliceNum = 0;
if (NULL == ppCtx || NULL == *ppCtx)
return;
pMa = (*ppCtx)->pMemAlign;
uiSliceNum = (*ppCtx)->iMaxSliceCount;
iThreadNum = (*ppCtx)->pSvcParam->iCountThreadsNum;
pSmt = (*ppCtx)->pSliceThreading;
if (NULL == pSmt)
return;
char ename[SEM_NAME_MAX] = {0};
while (iIdx < iThreadNum) {
// length of semaphore name should be system constrained at least on mac 10.7
WelsSnprintf (ename, SEM_NAME_MAX, "ee%d%s", iIdx, pSmt->eventNamespace);
WelsEventClose (&pSmt->pExitEncodeEvent[iIdx], ename);
WelsSnprintf (ename, SEM_NAME_MAX, "tm%d%s", iIdx, pSmt->eventNamespace);
WelsEventClose (&pSmt->pThreadMasterEvent[iIdx], ename);
WelsSnprintf (ename, SEM_NAME_MAX, "sc%d%s", iIdx, pSmt->eventNamespace);
WelsEventClose (&pSmt->pSliceCodedEvent[iIdx], ename);
WelsSnprintf (ename, SEM_NAME_MAX, "rc%d%s", iIdx, pSmt->eventNamespace);
WelsEventClose (&pSmt->pReadySliceCodingEvent[iIdx], ename);
WelsSnprintf (ename, SEM_NAME_MAX, "ud%d%s", iIdx, pSmt->eventNamespace);
WelsEventClose (&pSmt->pUpdateMbListEvent[iIdx], ename);
WelsSnprintf (ename, SEM_NAME_MAX, "fu%d%s", iIdx, pSmt->eventNamespace);
WelsEventClose (&pSmt->pFinUpdateMbListEvent[iIdx], ename);
++ iIdx;
}
WelsSnprintf (ename, SEM_NAME_MAX, "scm%s", pSmt->eventNamespace);
WelsEventClose (&pSmt->pSliceCodedMasterEvent, ename);
WelsMutexDestroy (&pSmt->mutexSliceNumUpdate);
WelsMutexDestroy (&pSmt->mutexThreadBsBufferUsage);
WelsMutexDestroy (& ((*ppCtx)->mutexEncoderError));
if (pSmt->pThreadPEncCtx != NULL) {
pMa->WelsFree (pSmt->pThreadPEncCtx, "pThreadPEncCtx");
pSmt->pThreadPEncCtx = NULL;
}
for (int i = 0; i < MAX_THREADS_NUM; i++) {
if (pSmt->pThreadBsBuffer[i]) {
pMa->WelsFree (pSmt->pThreadBsBuffer[i], "pSmt->pThreadBsBuffer");
pSmt->pThreadBsBuffer[i] = NULL;
}
}
memset (&pSmt->bThreadBsBufferUsage, 0, MAX_THREADS_NUM * sizeof (bool));
pSliceB = (*ppCtx)->pSliceBs;
iIdx = 0;
while (pSliceB != NULL && iIdx < uiSliceNum) {
pSliceB->pBsBuffer = NULL;
pSliceB->uiSize = 0;
pSliceB->uiBsPos = 0;
++ iIdx;
++ pSliceB;
}
if ((*ppCtx)->pSliceBs != NULL) {
pMa->WelsFree ((*ppCtx)->pSliceBs, "pSliceBs");
(*ppCtx)->pSliceBs = NULL;
}
if ((*ppCtx)->pTaskManage != NULL) {
delete (*ppCtx)->pTaskManage;
(*ppCtx)->pTaskManage = NULL;
}
#ifdef MT_DEBUG
// file handle for debug
if (pSmt->pFSliceDiff) {
fclose (pSmt->pFSliceDiff);
pSmt->pFSliceDiff = NULL;
}
#endif//MT_DEBUG
pMa->WelsFree ((*ppCtx)->pSliceThreading, "SSliceThreading");
(*ppCtx)->pSliceThreading = NULL;
}
int32_t RequestMtResource (sWelsEncCtx** ppCtx, SWelsSvcCodingParam* pCodingParam, const int32_t iCountBsLen,
const int32_t iMaxSliceBufferSize, bool bDynamicSlice) {
CMemoryAlign* pMa = NULL;
SWelsSvcCodingParam* pPara = NULL;
SSliceThreading* pSmt = NULL;
int32_t iNumSpatialLayers = 0;
int32_t iThreadNum = 0;
int32_t iIdx = 0;
int16_t iMaxSliceNum = 1;
int32_t iReturn = ENC_RETURN_SUCCESS;
bool bWillUseTaskManage = false;
if (NULL == ppCtx || NULL == pCodingParam || NULL == *ppCtx || iCountBsLen <= 0)
return 1;
pMa = (*ppCtx)->pMemAlign;
pPara = pCodingParam;
iNumSpatialLayers = pPara->iSpatialLayerNum;
iThreadNum = pPara->iCountThreadsNum;
iMaxSliceNum = (*ppCtx)->iMaxSliceCount;
pSmt = (SSliceThreading*)pMa->WelsMalloc (sizeof (SSliceThreading), "SSliceThreading");
WELS_VERIFY_RETURN_PROC_IF (1, (NULL == pSmt), FreeMemorySvc (ppCtx))
(*ppCtx)->pSliceThreading = pSmt;
pSmt->pThreadPEncCtx = (SSliceThreadPrivateData*)pMa->WelsMalloc (sizeof (SSliceThreadPrivateData) * iThreadNum,
"pThreadPEncCtx");
WELS_VERIFY_RETURN_PROC_IF (1, (NULL == pSmt->pThreadPEncCtx), FreeMemorySvc (ppCtx))
#ifdef _WIN32
// Dummy event namespace, the windows events don't actually use this
WelsSnprintf (pSmt->eventNamespace, sizeof (pSmt->eventNamespace), "%p", (void*) *ppCtx);
#else
WelsSnprintf (pSmt->eventNamespace, sizeof (pSmt->eventNamespace), "%p%x", (void*) *ppCtx, getpid());
#endif//!_WIN32
iIdx = 0;
while (iIdx < iNumSpatialLayers) {
SSliceArgument* pSliceArgument = &pPara->sSpatialLayers[iIdx].sSliceArgument;
if (pSliceArgument->uiSliceMode == SM_FIXEDSLCNUM_SLICE || pSliceArgument->uiSliceMode == SM_RASTER_SLICE) {
bWillUseTaskManage = true;
}
++ iIdx;
}
#ifdef MT_DEBUG
// file handle for MT debug
pSmt->pFSliceDiff = NULL;
if (pSmt->pFSliceDiff) {
fclose (pSmt->pFSliceDiff);
pSmt->pFSliceDiff = NULL;
}
pSmt->pFSliceDiff = fopen ("slice_time.txt", "wt+");
#endif//MT_DEBUG
MT_TRACE_LOG (*ppCtx, WELS_LOG_INFO, "encpEncCtx= 0x%p", (void*) *ppCtx);
char name[SEM_NAME_MAX] = {0};
WELS_GCC_UNUSED WELS_THREAD_ERROR_CODE err = 0;
iIdx = 0;
while (iIdx < iThreadNum) {
pSmt->pThreadPEncCtx[iIdx].pWelsPEncCtx = (void*) *ppCtx;
pSmt->pThreadPEncCtx[iIdx].iSliceIndex = iIdx;
pSmt->pThreadPEncCtx[iIdx].iThreadIndex = iIdx;
pSmt->pThreadHandles[iIdx] = 0;
WelsSnprintf (name, SEM_NAME_MAX, "ee%d%s", iIdx, pSmt->eventNamespace);
err = WelsEventOpen (&pSmt->pExitEncodeEvent[iIdx], name);
MT_TRACE_LOG (*ppCtx, WELS_LOG_INFO, "[MT] Open pExitEncodeEvent%d named(%s) ret%d err%d", iIdx, name, err, errno);
WelsSnprintf (name, SEM_NAME_MAX, "tm%d%s", iIdx, pSmt->eventNamespace);
err = WelsEventOpen (&pSmt->pThreadMasterEvent[iIdx], name);
MT_TRACE_LOG (*ppCtx, WELS_LOG_INFO, "[MT] Open pThreadMasterEvent%d named(%s) ret%d err%d", iIdx, name, err, errno);
// length of semaphore name should be system constrained at least on mac 10.7
WelsSnprintf (name, SEM_NAME_MAX, "ud%d%s", iIdx, pSmt->eventNamespace);
err = WelsEventOpen (&pSmt->pUpdateMbListEvent[iIdx], name);
MT_TRACE_LOG (*ppCtx, WELS_LOG_INFO, "[MT] Open pUpdateMbListEvent%d named(%s) ret%d err%d", iIdx, name, err, errno);
WelsSnprintf (name, SEM_NAME_MAX, "fu%d%s", iIdx, pSmt->eventNamespace);
err = WelsEventOpen (&pSmt->pFinUpdateMbListEvent[iIdx], name);
MT_TRACE_LOG (*ppCtx, WELS_LOG_INFO, "[MT] Open pFinUpdateMbListEvent%d named(%s) ret%d err%d", iIdx, name, err,
errno);
WelsSnprintf (name, SEM_NAME_MAX, "sc%d%s", iIdx, pSmt->eventNamespace);
err = WelsEventOpen (&pSmt->pSliceCodedEvent[iIdx], name);
MT_TRACE_LOG (*ppCtx, WELS_LOG_INFO, "[MT] Open pSliceCodedEvent%d named(%s) ret%d err%d", iIdx, name, err, errno);
WelsSnprintf (name, SEM_NAME_MAX, "rc%d%s", iIdx, pSmt->eventNamespace);
err = WelsEventOpen (&pSmt->pReadySliceCodingEvent[iIdx], name);
MT_TRACE_LOG (*ppCtx, WELS_LOG_INFO, "[MT] Open pReadySliceCodingEvent%d = 0x%p named(%s) ret%d err%d", iIdx,
(void*)pSmt->pReadySliceCodingEvent[iIdx], name, err, errno);
pSmt->pThreadBsBuffer[iIdx] = (uint8_t*)pMa->WelsMalloc (iCountBsLen, "pSmt->pThreadBsBuffer");
WELS_VERIFY_RETURN_PROC_IF (1, (NULL == pSmt->pThreadBsBuffer[iIdx]), FreeMemorySvc (ppCtx))
++ iIdx;
}
for (; iIdx < MAX_THREADS_NUM; iIdx++) {
pSmt->pThreadBsBuffer[iIdx] = NULL;
}
//previous conflict
WelsSnprintf (name, SEM_NAME_MAX, "scm%s", pSmt->eventNamespace);
err = WelsEventOpen (&pSmt->pSliceCodedMasterEvent, name);
MT_TRACE_LOG (*ppCtx, WELS_LOG_INFO, "[MT] Open pSliceCodedMasterEvent named(%s) ret%d err%d", name, err, errno);
//previous conflict ends
iReturn = SetMultiSliceBuffer (ppCtx, pMa, pSmt, iMaxSliceNum,
iMaxSliceBufferSize,
iCountBsLen,
bDynamicSlice);
WELS_VERIFY_RETURN_PROC_IF (iReturn, (ENC_RETURN_SUCCESS != iReturn), FreeMemorySvc (ppCtx))
iReturn = WelsMutexInit (&pSmt->mutexSliceNumUpdate);
WELS_VERIFY_RETURN_PROC_IF (1, (WELS_THREAD_ERROR_OK != iReturn), FreeMemorySvc (ppCtx))
if (bWillUseTaskManage) {
(*ppCtx)->pTaskManage = IWelsTaskManage::CreateTaskManage (*ppCtx, iNumSpatialLayers, bDynamicSlice);
WELS_VERIFY_RETURN_PROC_IF (iReturn, (NULL == (*ppCtx)->pTaskManage), FreeMemorySvc (ppCtx))
}
memset (&pSmt->bThreadBsBufferUsage, 0, MAX_THREADS_NUM * sizeof (bool));
iReturn = WelsMutexInit (&pSmt->mutexThreadBsBufferUsage);
WELS_VERIFY_RETURN_PROC_IF (1, (WELS_THREAD_ERROR_OK != iReturn), FreeMemorySvc (ppCtx))
iReturn = WelsMutexInit (& (*ppCtx)->mutexEncoderError);
WELS_VERIFY_RETURN_PROC_IF (1, (WELS_THREAD_ERROR_OK != iReturn), FreeMemorySvc (ppCtx))
MT_TRACE_LOG (*ppCtx, WELS_LOG_INFO, "RequestMtResource(), iThreadNum=%d, iCountSliceNum= %d",
pPara->iCountThreadsNum,
iMaxSliceNum);
return 0;
}
/*
* request memory blocks for decoder avc part
*/
int32_t WelsRequestMem (PWelsDecoderContext pCtx, const int32_t kiMbWidth, const int32_t kiMbHeight,
bool& bReallocFlag) {
const int32_t kiPicWidth = kiMbWidth << 4;
const int32_t kiPicHeight = kiMbHeight << 4;
int32_t iErr = ERR_NONE;
int32_t iListIdx = 0; //, mb_blocks = 0;
int32_t iPicQueueSize = 0; // adaptive size of picture queue, = (pSps->iNumRefFrames x 2)
bReallocFlag = false;
bool bNeedChangePicQueue = true;
CMemoryAlign* pMa = pCtx->pMemAlign;
WELS_VERIFY_RETURN_IF (ERR_INFO_INVALID_PARAM, (NULL == pCtx || kiPicWidth <= 0 || kiPicHeight <= 0))
// Fixed the issue about different gop size over last, 5/17/2010
// get picture queue size currently
iPicQueueSize = GetTargetRefListSize (pCtx); // adaptive size of picture queue, = (pSps->iNumRefFrames x 2)
pCtx->iPicQueueNumber = iPicQueueSize;
if (pCtx->pPicBuff[LIST_0] != NULL
&& pCtx->pPicBuff[LIST_0]->iCapacity ==
iPicQueueSize) // comparing current picture queue size requested and previous allocation picture queue
bNeedChangePicQueue = false;
// HD based pic buffer need consider memory size consumed when switch from 720p to other lower size
WELS_VERIFY_RETURN_IF (ERR_NONE, pCtx->bHaveGotMemory && (kiPicWidth == pCtx->iImgWidthInPixel
&& kiPicHeight == pCtx->iImgHeightInPixel) && (!bNeedChangePicQueue)) // have same scaled buffer
// sync update pRefList
WelsResetRefPic (pCtx); // added to sync update ref list due to pictures are free
if (pCtx->bHaveGotMemory && (kiPicWidth == pCtx->iImgWidthInPixel && kiPicHeight == pCtx->iImgHeightInPixel)
&& pCtx->pPicBuff[LIST_0] != NULL && pCtx->pPicBuff[LIST_0]->iCapacity != iPicQueueSize) {
// currently only active for LIST_0 due to have no B frames
WelsLog (& (pCtx->sLogCtx), WELS_LOG_INFO,
"WelsRequestMem(): memory re-alloc for no resolution change (size = %d * %d), ref list size change from %d to %d",
kiPicWidth, kiPicHeight, pCtx->pPicBuff[LIST_0]->iCapacity, iPicQueueSize);
if (pCtx->pPicBuff[LIST_0]->iCapacity < iPicQueueSize) {
iErr = IncreasePicBuff (pCtx, &pCtx->pPicBuff[LIST_0], pCtx->pPicBuff[LIST_0]->iCapacity, kiPicWidth, kiPicHeight,
iPicQueueSize);
} else {
iErr = DecreasePicBuff (pCtx, &pCtx->pPicBuff[LIST_0], pCtx->pPicBuff[LIST_0]->iCapacity, kiPicWidth, kiPicHeight,
iPicQueueSize);
}
} else {
if (pCtx->bHaveGotMemory)
WelsLog (& (pCtx->sLogCtx), WELS_LOG_INFO,
"WelsRequestMem(): memory re-alloc for resolution change, size change from %d * %d to %d * %d, ref list size change from %d to %d",
pCtx->iImgWidthInPixel, pCtx->iImgHeightInPixel, kiPicWidth, kiPicHeight, pCtx->pPicBuff[LIST_0]->iCapacity,
iPicQueueSize);
else
WelsLog (& (pCtx->sLogCtx), WELS_LOG_INFO, "WelsRequestMem(): memory alloc size = %d * %d, ref list size = %d",
kiPicWidth, kiPicHeight, iPicQueueSize);
// for Recycled_Pic_Queue
for (iListIdx = LIST_0; iListIdx < LIST_A; ++ iListIdx) {
PPicBuff* ppPic = &pCtx->pPicBuff[iListIdx];
if (NULL != ppPic && NULL != *ppPic) {
DestroyPicBuff (ppPic, pMa);
}
}
pCtx->pPreviousDecodedPictureInDpb = NULL;
// currently only active for LIST_0 due to have no B frames
iErr = CreatePicBuff (pCtx, &pCtx->pPicBuff[LIST_0], iPicQueueSize, kiPicWidth, kiPicHeight);
}
if (iErr != ERR_NONE)
return iErr;
pCtx->iImgWidthInPixel = kiPicWidth; // target width of image to be reconstruted while decoding
pCtx->iImgHeightInPixel = kiPicHeight; // target height of image to be reconstruted while decoding
pCtx->bHaveGotMemory = true; // global memory for decoder context related is requested
pCtx->pDec = NULL; // need prefetch a new pic due to spatial size changed
if (pCtx->pCabacDecEngine == NULL)
pCtx->pCabacDecEngine = (SWelsCabacDecEngine*) pMa->WelsMallocz (sizeof (SWelsCabacDecEngine), "pCtx->pCabacDecEngine");
WELS_VERIFY_RETURN_IF (ERR_INFO_OUT_OF_MEMORY, (NULL == pCtx->pCabacDecEngine))
bReallocFlag = true; // memory re-allocation successfully finished
return ERR_NONE;
}
static int32_t DecreasePicBuff (PWelsDecoderContext pCtx, PPicBuff* ppPicBuf, const int32_t kiOldSize,
const int32_t kiPicWidth, const int32_t kiPicHeight, const int32_t kiNewSize) {
PPicBuff pPicOldBuf = *ppPicBuf;
PPicBuff pPicNewBuf = NULL;
int32_t iPicIdx = 0;
if (kiOldSize <= 0 || kiNewSize <= 0 || kiPicWidth <= 0 || kiPicHeight <= 0) {
return 1;
}
CMemoryAlign* pMa = pCtx->pMemAlign;
pPicNewBuf = (PPicBuff)pMa->WelsMallocz (sizeof (SPicBuff), "PPicBuff");
if (NULL == pPicNewBuf) {
return 1;
}
pPicNewBuf->ppPic = (PPicture*)pMa->WelsMallocz (kiNewSize * sizeof (PPicture), "PPicture*");
if (NULL == pPicNewBuf->ppPic) {
pPicNewBuf->iCapacity = 0;
DestroyPicBuff (&pPicNewBuf, pMa);
return 1;
}
int32_t iPrevPicIdx = -1;
for (iPrevPicIdx = 0; iPrevPicIdx < kiOldSize; ++iPrevPicIdx) {
if (pCtx->pPreviousDecodedPictureInDpb == pPicOldBuf->ppPic[iPrevPicIdx]) {
break;
}
}
int32_t iDelIdx;
if (iPrevPicIdx < kiOldSize && iPrevPicIdx >= kiNewSize) {
// found pPreviousDecodedPictureInDpb,
pPicNewBuf->ppPic[0] = pPicOldBuf->ppPic[iPrevPicIdx];
pPicNewBuf->iCurrentIdx = 0;
memcpy (pPicNewBuf->ppPic + 1, pPicOldBuf->ppPic, (kiNewSize - 1) * sizeof (PPicture));
iDelIdx = kiNewSize - 1;
} else {
memcpy (pPicNewBuf->ppPic, pPicOldBuf->ppPic, kiNewSize * sizeof (PPicture));
pPicNewBuf->iCurrentIdx = iPrevPicIdx < kiNewSize ? iPrevPicIdx : 0;
iDelIdx = kiNewSize;
}
for (iPicIdx = iDelIdx; iPicIdx < kiOldSize; iPicIdx++) {
if (iPrevPicIdx != iPicIdx) {
if (pPicOldBuf->ppPic[iPicIdx] != NULL) {
FreePicture (pPicOldBuf->ppPic[iPicIdx], pMa);
pPicOldBuf->ppPic[iPicIdx] = NULL;
}
}
}
// initialize context in queue
pPicNewBuf->iCapacity = kiNewSize;
*ppPicBuf = pPicNewBuf;
for (int32_t i = 0; i < pPicNewBuf->iCapacity; i++) {
pPicNewBuf->ppPic[i]->bUsedAsRef = false;
pPicNewBuf->ppPic[i]->bIsLongRef = false;
pPicNewBuf->ppPic[i]->uiRefCount = 0;
pPicNewBuf->ppPic[i]->bAvailableFlag = true;
pPicNewBuf->ppPic[i]->bIsComplete = false;
}
// remove old PicBuf
if (pPicOldBuf->ppPic != NULL) {
pMa->WelsFree (pPicOldBuf->ppPic, "pPicOldBuf->queue");
pPicOldBuf->ppPic = NULL;
}
pPicOldBuf->iCapacity = 0;
pPicOldBuf->iCurrentIdx = 0;
pMa->WelsFree (pPicOldBuf, "pPicOldBuf");
pPicOldBuf = NULL;
return 0;
}
static int32_t IncreasePicBuff (PWelsDecoderContext pCtx, PPicBuff* ppPicBuf, const int32_t kiOldSize,
const int32_t kiPicWidth, const int32_t kiPicHeight, const int32_t kiNewSize) {
PPicBuff pPicOldBuf = *ppPicBuf;
PPicBuff pPicNewBuf = NULL;
int32_t iPicIdx = 0;
if (kiOldSize <= 0 || kiNewSize <= 0 || kiPicWidth <= 0 || kiPicHeight <= 0) {
return 1;
}
CMemoryAlign* pMa = pCtx->pMemAlign;
pPicNewBuf = (PPicBuff)pMa->WelsMallocz (sizeof (SPicBuff), "PPicBuff");
if (NULL == pPicNewBuf) {
return 1;
}
pPicNewBuf->ppPic = (PPicture*)pMa->WelsMallocz (kiNewSize * sizeof (PPicture), "PPicture*");
if (NULL == pPicNewBuf->ppPic) {
pPicNewBuf->iCapacity = 0;
DestroyPicBuff (&pPicNewBuf, pMa);
return 1;
}
// increase new PicBuf
for (iPicIdx = kiOldSize; iPicIdx < kiNewSize; ++ iPicIdx) {
PPicture pPic = AllocPicture (pCtx, kiPicWidth, kiPicHeight);
if (NULL == pPic) {
// Set maximum capacity as the new malloc memory at the tail
pPicNewBuf->iCapacity = iPicIdx;
DestroyPicBuff (&pPicNewBuf, pMa);
return 1;
}
pPicNewBuf->ppPic[iPicIdx] = pPic;
}
// copy old PicBuf to new PicBuf
memcpy (pPicNewBuf->ppPic, pPicOldBuf->ppPic, kiOldSize * sizeof (PPicture));
// initialize context in queue
pPicNewBuf->iCapacity = kiNewSize;
pPicNewBuf->iCurrentIdx = pPicOldBuf->iCurrentIdx;
* ppPicBuf = pPicNewBuf;
for (int32_t i = 0; i < pPicNewBuf->iCapacity; i++) {
pPicNewBuf->ppPic[i]->bUsedAsRef = false;
pPicNewBuf->ppPic[i]->bIsLongRef = false;
pPicNewBuf->ppPic[i]->uiRefCount = 0;
pPicNewBuf->ppPic[i]->bAvailableFlag = true;
pPicNewBuf->ppPic[i]->bIsComplete = false;
}
// remove old PicBuf
if (pPicOldBuf->ppPic != NULL) {
pMa->WelsFree (pPicOldBuf->ppPic, "pPicOldBuf->queue");
pPicOldBuf->ppPic = NULL;
}
pPicOldBuf->iCapacity = 0;
pPicOldBuf->iCurrentIdx = 0;
pMa->WelsFree (pPicOldBuf, "pPicOldBuf");
pPicOldBuf = NULL;
return 0;
}
