ref: 2c2043aa158806a228309b9a0df6fab0d2b87600
dir: /codec/decoder/plus/src/welsDecoderExt.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.
*
*
* welsDecoderExt.cpp
*
* Abstract
* Cisco OpenH264 decoder extension utilization
*
* History
* 3/12/2009 Created
*
*
************************************************************************/
//#include <assert.h>
#include "welsDecoderExt.h"
#include "welsCodecTrace.h"
#include "codec_def.h"
#include "typedefs.h"
#include "memory_align.h"
#include "utils.h"
#include "version.h"
//#include "macros.h"
#include "decoder.h"
#include "decoder_core.h"
#include "manage_dec_ref.h"
#include "error_concealment.h"
#include "measure_time.h"
extern "C" {
#include "decoder_core.h"
#include "manage_dec_ref.h"
}
#include "error_code.h"
#include "crt_util_safe_x.h" // Safe CRT routines like util for cross platforms
#include <time.h>
#if defined(_WIN32) /*&& defined(_DEBUG)*/
#include <windows.h>
#include <stdio.h>
#include <stdarg.h>
#include <sys/types.h>
#include <malloc.h>
#else
#include <sys/time.h>
#endif
namespace WelsDec {
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
/***************************************************************************
* Description:
* class CWelsDecoder constructor function, do initialization and
* alloc memory required
*
* Input parameters: none
*
* return: none
***************************************************************************/
DECLARE_PROCTHREAD (pThrProcInit, p) {
SWelsDecThreadInfo* sThreadInfo = (SWelsDecThreadInfo*)p;
#if defined(WIN32)
_alloca (WELS_DEC_MAX_THREAD_STACK_SIZE * (sThreadInfo->uiThrNum + 1));
#endif
return sThreadInfo->pThrProcMain (p);
}
static DECODING_STATE ConstructAccessUnit (CWelsDecoder* pWelsDecoder, PWelsDecoderThreadCTX pThrCtx) {
int iRet = dsErrorFree;
//WelsMutexLock (&pWelsDecoder->m_csDecoder);
if (pThrCtx->pCtx->pLastThreadCtx != NULL) {
PWelsDecoderThreadCTX pLastThreadCtx = (PWelsDecoderThreadCTX) (pThrCtx->pCtx->pLastThreadCtx);
WAIT_EVENT (&pLastThreadCtx->sSliceDecodeStart, WELS_DEC_THREAD_WAIT_INFINITE);
RESET_EVENT (&pLastThreadCtx->sSliceDecodeStart);
}
pThrCtx->pDec = NULL;
if (GetThreadCount (pThrCtx->pCtx) > 1) {
RESET_EVENT (&pThrCtx->sSliceDecodeFinish);
}
iRet |= pWelsDecoder->DecodeFrame2WithCtx (pThrCtx->pCtx, NULL, 0, pThrCtx->ppDst, &pThrCtx->sDstInfo);
//WelsMutexUnlock (&pWelsDecoder->m_csDecoder);
return (DECODING_STATE)iRet;
}
DECLARE_PROCTHREAD (pThrProcFrame, p) {
SWelsDecoderThreadCTX* pThrCtx = (SWelsDecoderThreadCTX*)p;
while (1) {
RELEASE_SEMAPHORE (pThrCtx->sThreadInfo.sIsBusy);
RELEASE_SEMAPHORE (&pThrCtx->sThreadInfo.sIsIdle);
WAIT_SEMAPHORE (&pThrCtx->sThreadInfo.sIsActivated, WELS_DEC_THREAD_WAIT_INFINITE);
if (pThrCtx->sThreadInfo.uiCommand == WELS_DEC_THREAD_COMMAND_RUN) {
CWelsDecoder* pWelsDecoder = (CWelsDecoder*)pThrCtx->threadCtxOwner;
ConstructAccessUnit (pWelsDecoder, pThrCtx);
} else if (pThrCtx->sThreadInfo.uiCommand == WELS_DEC_THREAD_COMMAND_ABORT) {
break;
}
}
return 0;
}
CWelsDecoder::CWelsDecoder (void)
: m_pWelsTrace (NULL),
m_uiDecodeTimeStamp (0),
m_bIsBaseline (false),
m_iCpuCount (1),
m_iThreadCount (0),
m_iCtxCount (1),
m_pPicBuff (NULL),
m_bParamSetsLostFlag (false),
m_bFreezeOutput (false),
m_DecCtxActiveCount (0),
m_pDecThrCtx (NULL),
m_pLastDecThrCtx (NULL),
m_iLastBufferedIdx (0) {
#ifdef OUTPUT_BIT_STREAM
char chFileName[1024] = { 0 }; //for .264
int iBufUsed = 0;
int iBufLeft = 1023;
int iCurUsed;
char chFileNameSize[1024] = { 0 }; //for .len
int iBufUsedSize = 0;
int iBufLeftSize = 1023;
int iCurUsedSize;
#endif//OUTPUT_BIT_STREAM
m_pWelsTrace = new welsCodecTrace();
if (m_pWelsTrace != NULL) {
m_pWelsTrace->SetCodecInstance (this);
m_pWelsTrace->SetTraceLevel (WELS_LOG_ERROR);
WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO, "CWelsDecoder::CWelsDecoder() entry");
}
ResetReorderingPictureBuffers (&m_sReoderingStatus, m_sPictInfoList, true);
m_iCpuCount = GetCPUCount();
if (m_iCpuCount > WELS_DEC_MAX_NUM_CPU) {
m_iCpuCount = WELS_DEC_MAX_NUM_CPU;
}
m_pDecThrCtx = new SWelsDecoderThreadCTX[m_iCtxCount];
memset (m_pDecThrCtx, 0, sizeof (SWelsDecoderThreadCTX)*m_iCtxCount);
for (int32_t i = 0; i < WELS_DEC_MAX_NUM_CPU; ++i) {
m_pDecThrCtxActive[i] = NULL;
}
#ifdef OUTPUT_BIT_STREAM
SWelsTime sCurTime;
WelsGetTimeOfDay (&sCurTime);
iCurUsed = WelsSnprintf (chFileName, iBufLeft, "bs_0x%p_", (void*)this);
iCurUsedSize = WelsSnprintf (chFileNameSize, iBufLeftSize, "size_0x%p_", (void*)this);
iBufUsed += iCurUsed;
iBufLeft -= iCurUsed;
if (iBufLeft > 0) {
iCurUsed = WelsStrftime (&chFileName[iBufUsed], iBufLeft, "%y%m%d%H%M%S", &sCurTime);
iBufUsed += iCurUsed;
iBufLeft -= iCurUsed;
}
iBufUsedSize += iCurUsedSize;
iBufLeftSize -= iCurUsedSize;
if (iBufLeftSize > 0) {
iCurUsedSize = WelsStrftime (&chFileNameSize[iBufUsedSize], iBufLeftSize, "%y%m%d%H%M%S", &sCurTime);
iBufUsedSize += iCurUsedSize;
iBufLeftSize -= iCurUsedSize;
}
if (iBufLeft > 0) {
iCurUsed = WelsSnprintf (&chFileName[iBufUsed], iBufLeft, ".%03.3u.264", WelsGetMillisecond (&sCurTime));
iBufUsed += iCurUsed;
iBufLeft -= iCurUsed;
}
if (iBufLeftSize > 0) {
iCurUsedSize = WelsSnprintf (&chFileNameSize[iBufUsedSize], iBufLeftSize, ".%03.3u.len",
WelsGetMillisecond (&sCurTime));
iBufUsedSize += iCurUsedSize;
iBufLeftSize -= iCurUsedSize;
}
m_pFBS = WelsFopen (chFileName, "wb");
m_pFBSSize = WelsFopen (chFileNameSize, "wb");
#endif//OUTPUT_BIT_STREAM
}
/***************************************************************************
* Description:
* class CWelsDecoder destructor function, destroy allocced memory
*
* Input parameters: none
*
* return: none
***************************************************************************/
CWelsDecoder::~CWelsDecoder() {
if (m_pWelsTrace != NULL) {
WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO, "CWelsDecoder::~CWelsDecoder()");
}
CloseDecoderThreads();
UninitDecoder();
#ifdef OUTPUT_BIT_STREAM
if (m_pFBS) {
WelsFclose (m_pFBS);
m_pFBS = NULL;
}
if (m_pFBSSize) {
WelsFclose (m_pFBSSize);
m_pFBSSize = NULL;
}
#endif//OUTPUT_BIT_STREAM
if (m_pWelsTrace != NULL) {
delete m_pWelsTrace;
m_pWelsTrace = NULL;
}
if (m_pDecThrCtx != NULL) {
delete[] m_pDecThrCtx;
m_pDecThrCtx = NULL;
}
}
long CWelsDecoder::Initialize (const SDecodingParam* pParam) {
int iRet = ERR_NONE;
if (m_pWelsTrace == NULL) {
return cmMallocMemeError;
}
if (pParam == NULL) {
WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_ERROR, "CWelsDecoder::Initialize(), invalid input argument.");
return cmInitParaError;
}
// H.264 decoder initialization,including memory allocation,then open it ready to decode
iRet = InitDecoder (pParam);
if (iRet)
return iRet;
return cmResultSuccess;
}
long CWelsDecoder::Uninitialize() {
UninitDecoder();
return ERR_NONE;
}
void CWelsDecoder::UninitDecoder (void) {
for (int32_t i = 0; i < m_iCtxCount; ++i) {
if (m_pDecThrCtx[i].pCtx != NULL) {
if (i > 0) {
WelsResetRefPicWithoutUnRef (m_pDecThrCtx[i].pCtx);
}
UninitDecoderCtx (m_pDecThrCtx[i].pCtx);
}
}
}
void CWelsDecoder::OpenDecoderThreads() {
if (m_iThreadCount >= 1) {
m_uiDecodeTimeStamp = 0;
CREATE_SEMAPHORE (&m_sIsBusy, m_iThreadCount, m_iThreadCount, NULL);
WelsMutexInit (&m_csDecoder);
CREATE_EVENT (&m_sBufferingEvent, 1, 0, NULL);
SET_EVENT (&m_sBufferingEvent);
CREATE_EVENT (&m_sReleaseBufferEvent, 1, 0, NULL);
SET_EVENT (&m_sReleaseBufferEvent);
for (int32_t i = 0; i < m_iThreadCount; ++i) {
m_pDecThrCtx[i].sThreadInfo.uiThrMaxNum = m_iThreadCount;
m_pDecThrCtx[i].sThreadInfo.uiThrNum = i;
m_pDecThrCtx[i].sThreadInfo.uiThrStackSize = WELS_DEC_MAX_THREAD_STACK_SIZE;
m_pDecThrCtx[i].sThreadInfo.pThrProcMain = pThrProcFrame;
m_pDecThrCtx[i].sThreadInfo.sIsBusy = &m_sIsBusy;
m_pDecThrCtx[i].sThreadInfo.uiCommand = WELS_DEC_THREAD_COMMAND_RUN;
m_pDecThrCtx[i].threadCtxOwner = this;
m_pDecThrCtx[i].kpSrc = NULL;
m_pDecThrCtx[i].kiSrcLen = 0;
m_pDecThrCtx[i].ppDst = NULL;
m_pDecThrCtx[i].pDec = NULL;
CREATE_EVENT (&m_pDecThrCtx[i].sImageReady, 1, 0, NULL);
CREATE_EVENT (&m_pDecThrCtx[i].sSliceDecodeStart, 1, 0, NULL);
CREATE_EVENT (&m_pDecThrCtx[i].sSliceDecodeFinish, 1, 0, NULL);
CREATE_SEMAPHORE (&m_pDecThrCtx[i].sThreadInfo.sIsIdle, 0, 1, NULL);
CREATE_SEMAPHORE (&m_pDecThrCtx[i].sThreadInfo.sIsActivated, 0, 1, NULL);
CREATE_THREAD (&m_pDecThrCtx[i].sThreadInfo.sThrHandle, pThrProcInit, (void*) (& (m_pDecThrCtx[i])));
}
}
}
void CWelsDecoder::CloseDecoderThreads() {
if (m_iThreadCount >= 1) {
for (int32_t i = 0; i < m_iThreadCount; i++) { //waiting the completion begun slices
WAIT_SEMAPHORE (&m_pDecThrCtx[i].sThreadInfo.sIsIdle, WELS_DEC_THREAD_WAIT_INFINITE);
m_pDecThrCtx[i].sThreadInfo.uiCommand = WELS_DEC_THREAD_COMMAND_ABORT;
RELEASE_SEMAPHORE (&m_pDecThrCtx[i].sThreadInfo.sIsActivated);
WAIT_THREAD (&m_pDecThrCtx[i].sThreadInfo.sThrHandle);
CLOSE_EVENT (&m_pDecThrCtx[i].sImageReady);
CLOSE_EVENT (&m_pDecThrCtx[i].sSliceDecodeStart);
CLOSE_EVENT (&m_pDecThrCtx[i].sSliceDecodeFinish);
CLOSE_SEMAPHORE (&m_pDecThrCtx[i].sThreadInfo.sIsIdle);
CLOSE_SEMAPHORE (&m_pDecThrCtx[i].sThreadInfo.sIsActivated);
}
WelsMutexDestroy (&m_csDecoder);
CLOSE_EVENT (&m_sBufferingEvent);
CLOSE_EVENT (&m_sReleaseBufferEvent);
CLOSE_SEMAPHORE (&m_sIsBusy);
}
}
void CWelsDecoder::UninitDecoderCtx (PWelsDecoderContext& pCtx) {
if (pCtx != NULL) {
WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO, "CWelsDecoder::UninitDecoderCtx(), openh264 codec version = %s.",
VERSION_NUMBER);
WelsEndDecoder (pCtx);
if (pCtx->pMemAlign != NULL) {
WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO,
"CWelsDecoder::UninitDecoder(), verify memory usage (%d bytes) after free..",
pCtx->pMemAlign->WelsGetMemoryUsage());
delete pCtx->pMemAlign;
pCtx->pMemAlign = NULL;
}
if (NULL != pCtx) {
WelsFree (pCtx, "m_pDecContext");
pCtx = NULL;
}
if (m_iCtxCount <= 1) m_pDecThrCtx[0].pCtx = NULL;
}
}
// the return value of this function is not suitable, it need report failure info to upper layer.
int32_t CWelsDecoder::InitDecoder (const SDecodingParam* pParam) {
WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO,
"CWelsDecoder::init_decoder(), openh264 codec version = %s, ParseOnly = %d",
VERSION_NUMBER, (int32_t)pParam->bParseOnly);
if (m_iThreadCount >= 1 && pParam->bParseOnly) {
m_iThreadCount = 0;
}
OpenDecoderThreads();
//reset decoder context
memset (&m_sDecoderStatistics, 0, sizeof (SDecoderStatistics));
memset (&m_sLastDecPicInfo, 0, sizeof (SWelsLastDecPicInfo));
memset (&m_sVlcTable, 0, sizeof (SVlcTable));
UninitDecoder();
WelsDecoderLastDecPicInfoDefaults (m_sLastDecPicInfo);
for (int32_t i = 0; i < m_iCtxCount; ++i) {
InitDecoderCtx (m_pDecThrCtx[i].pCtx, pParam);
if (m_iThreadCount >= 1) {
m_pDecThrCtx[i].pCtx->pThreadCtx = &m_pDecThrCtx[i];
}
}
m_bParamSetsLostFlag = false;
m_bFreezeOutput = false;
return cmResultSuccess;
}
// the return value of this function is not suitable, it need report failure info to upper layer.
int32_t CWelsDecoder::InitDecoderCtx (PWelsDecoderContext& pCtx, const SDecodingParam* pParam) {
WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO,
"CWelsDecoder::init_decoder(), openh264 codec version = %s, ParseOnly = %d",
VERSION_NUMBER, (int32_t)pParam->bParseOnly);
//reset decoder context
UninitDecoderCtx (pCtx);
pCtx = (PWelsDecoderContext)WelsMallocz (sizeof (SWelsDecoderContext), "m_pDecContext");
if (NULL == pCtx)
return cmMallocMemeError;
int32_t iCacheLineSize = 16; // on chip cache line size in byte
pCtx->pMemAlign = new CMemoryAlign (iCacheLineSize);
WELS_VERIFY_RETURN_PROC_IF (cmMallocMemeError, (NULL == pCtx->pMemAlign), UninitDecoderCtx (pCtx))
if (m_iCtxCount <= 1) m_pDecThrCtx[0].pCtx = pCtx;
//fill in default value into context
pCtx->pLastDecPicInfo = &m_sLastDecPicInfo;
pCtx->pDecoderStatistics = &m_sDecoderStatistics;
pCtx->pVlcTable = &m_sVlcTable;
pCtx->pPictInfoList = m_sPictInfoList;
pCtx->pPictReoderingStatus = &m_sReoderingStatus;
pCtx->pCsDecoder = &m_csDecoder;
WelsDecoderDefaults (pCtx, &m_pWelsTrace->m_sLogCtx);
WelsDecoderSpsPpsDefaults (pCtx->sSpsPpsCtx);
//check param and update decoder context
pCtx->pParam = (SDecodingParam*)pCtx->pMemAlign->WelsMallocz (sizeof (SDecodingParam),
"SDecodingParam");
WELS_VERIFY_RETURN_PROC_IF (cmMallocMemeError, (NULL == pCtx->pParam), UninitDecoderCtx (pCtx));
int32_t iRet = DecoderConfigParam (pCtx, pParam);
WELS_VERIFY_RETURN_IFNEQ (iRet, cmResultSuccess);
//init decoder
WELS_VERIFY_RETURN_PROC_IF (cmMallocMemeError, WelsInitDecoder (pCtx, &m_pWelsTrace->m_sLogCtx),
UninitDecoderCtx (pCtx))
pCtx->pPicBuff = NULL;
return cmResultSuccess;
}
int32_t CWelsDecoder::ResetDecoder (PWelsDecoderContext& pCtx) {
// TBC: need to be modified when context and trace point are null
if (m_iThreadCount >= 1) {
ThreadResetDecoder (pCtx);
} else {
if (pCtx != NULL && m_pWelsTrace != NULL) {
WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO, "ResetDecoder(), context error code is %d",
pCtx->iErrorCode);
SDecodingParam sPrevParam;
memcpy (&sPrevParam, pCtx->pParam, sizeof (SDecodingParam));
WELS_VERIFY_RETURN_PROC_IF (cmInitParaError, InitDecoderCtx (pCtx, &sPrevParam),
UninitDecoderCtx (pCtx));
} else if (m_pWelsTrace != NULL) {
WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_ERROR, "ResetDecoder() failed as decoder context null");
}
ResetReorderingPictureBuffers (&m_sReoderingStatus, m_sPictInfoList, false);
}
return ERR_INFO_UNINIT;
}
int32_t CWelsDecoder::ThreadResetDecoder (PWelsDecoderContext& pCtx) {
// TBC: need to be modified when context and trace point are null
SDecodingParam sPrevParam;
if (pCtx != NULL && m_pWelsTrace != NULL) {
WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO, "ResetDecoder(), context error code is %d", pCtx->iErrorCode);
memcpy (&sPrevParam, pCtx->pParam, sizeof (SDecodingParam));
ResetReorderingPictureBuffers (&m_sReoderingStatus, m_sPictInfoList, true);
CloseDecoderThreads();
UninitDecoder();
InitDecoder (&sPrevParam);
} else if (m_pWelsTrace != NULL) {
WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_ERROR, "ResetDecoder() failed as decoder context null");
}
return ERR_INFO_UNINIT;
}
/*
* Set Option
*/
long CWelsDecoder::SetOption (DECODER_OPTION eOptID, void* pOption) {
int iVal = 0;
if (eOptID == DECODER_OPTION_NUM_OF_THREADS) {
if (pOption != NULL) {
int32_t threadCount = * ((int32_t*)pOption);
if (threadCount < 0) threadCount = 0;
if (threadCount > m_iCpuCount) {
threadCount = m_iCpuCount;
}
if (threadCount > 3) {
threadCount = 3;
}
if (threadCount != m_iThreadCount) {
m_iThreadCount = threadCount;
if (m_pDecThrCtx != NULL) {
delete [] m_pDecThrCtx;
m_iCtxCount = m_iThreadCount == 0 ? 1 : m_iThreadCount;
m_pDecThrCtx = new SWelsDecoderThreadCTX[m_iCtxCount];
memset (m_pDecThrCtx, 0, sizeof (SWelsDecoderThreadCTX)*m_iCtxCount);
}
}
}
return cmResultSuccess;
}
for (int32_t i = 0; i < m_iCtxCount; ++i) {
PWelsDecoderContext pDecContext = m_pDecThrCtx[i].pCtx;
if (pDecContext == NULL && eOptID != DECODER_OPTION_TRACE_LEVEL &&
eOptID != DECODER_OPTION_TRACE_CALLBACK && eOptID != DECODER_OPTION_TRACE_CALLBACK_CONTEXT)
return dsInitialOptExpected;
if (eOptID == DECODER_OPTION_END_OF_STREAM) { // Indicate bit-stream of the final frame to be decoded
if (pOption == NULL)
return cmInitParaError;
iVal = * ((int*)pOption); // boolean value for whether enabled End Of Stream flag
if (pDecContext == NULL) return dsInitialOptExpected;
pDecContext->bEndOfStreamFlag = iVal ? true : false;
return cmResultSuccess;
} else if (eOptID == DECODER_OPTION_ERROR_CON_IDC) { // Indicate error concealment status
if (pOption == NULL)
return cmInitParaError;
if (pDecContext == NULL) return dsInitialOptExpected;
iVal = * ((int*)pOption); // int value for error concealment idc
iVal = WELS_CLIP3 (iVal, (int32_t)ERROR_CON_DISABLE, (int32_t)ERROR_CON_SLICE_MV_COPY_CROSS_IDR_FREEZE_RES_CHANGE);
if ((pDecContext->pParam->bParseOnly) && (iVal != (int32_t)ERROR_CON_DISABLE)) {
WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO,
"CWelsDecoder::SetOption for ERROR_CON_IDC = %d not allowd for parse only!.", iVal);
return cmInitParaError;
}
pDecContext->pParam->eEcActiveIdc = (ERROR_CON_IDC)iVal;
InitErrorCon (pDecContext);
WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO,
"CWelsDecoder::SetOption for ERROR_CON_IDC = %d.", iVal);
return cmResultSuccess;
} else if (eOptID == DECODER_OPTION_TRACE_LEVEL) {
if (m_pWelsTrace) {
uint32_t level = * ((uint32_t*)pOption);
m_pWelsTrace->SetTraceLevel (level);
}
return cmResultSuccess;
} else if (eOptID == DECODER_OPTION_TRACE_CALLBACK) {
if (m_pWelsTrace) {
WelsTraceCallback callback = * ((WelsTraceCallback*)pOption);
m_pWelsTrace->SetTraceCallback (callback);
WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO,
"CWelsDecoder::SetOption():DECODER_OPTION_TRACE_CALLBACK callback = %p.",
callback);
}
return cmResultSuccess;
} else if (eOptID == DECODER_OPTION_TRACE_CALLBACK_CONTEXT) {
if (m_pWelsTrace) {
void* ctx = * ((void**)pOption);
m_pWelsTrace->SetTraceCallbackContext (ctx);
}
return cmResultSuccess;
} else if (eOptID == DECODER_OPTION_GET_STATISTICS) {
WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_WARNING,
"CWelsDecoder::SetOption():DECODER_OPTION_GET_STATISTICS: this option is get-only!");
return cmInitParaError;
} else if (eOptID == DECODER_OPTION_STATISTICS_LOG_INTERVAL) {
if (pOption) {
if (pDecContext == NULL) return dsInitialOptExpected;
pDecContext->pDecoderStatistics->iStatisticsLogInterval = (* ((unsigned int*)pOption));
return cmResultSuccess;
}
} else if (eOptID == DECODER_OPTION_GET_SAR_INFO) {
WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_WARNING,
"CWelsDecoder::SetOption():DECODER_OPTION_GET_SAR_INFO: this option is get-only!");
return cmInitParaError;
}
}
return cmInitParaError;
}
/*
* Get Option
*/
long CWelsDecoder::GetOption (DECODER_OPTION eOptID, void* pOption) {
int iVal = 0;
if (DECODER_OPTION_NUM_OF_THREADS == eOptID) {
* ((int*)pOption) = m_iThreadCount;
return cmResultSuccess;
}
PWelsDecoderContext pDecContext = m_pDecThrCtx[0].pCtx;
if (pDecContext == NULL)
return cmInitExpected;
if (pOption == NULL)
return cmInitParaError;
if (DECODER_OPTION_END_OF_STREAM == eOptID) {
iVal = pDecContext->bEndOfStreamFlag;
* ((int*)pOption) = iVal;
return cmResultSuccess;
}
#ifdef LONG_TERM_REF
else if (DECODER_OPTION_IDR_PIC_ID == eOptID) {
iVal = pDecContext->uiCurIdrPicId;
* ((int*)pOption) = iVal;
return cmResultSuccess;
} else if (DECODER_OPTION_FRAME_NUM == eOptID) {
iVal = pDecContext->iFrameNum;
* ((int*)pOption) = iVal;
return cmResultSuccess;
} else if (DECODER_OPTION_LTR_MARKING_FLAG == eOptID) {
iVal = pDecContext->bCurAuContainLtrMarkSeFlag;
* ((int*)pOption) = iVal;
return cmResultSuccess;
} else if (DECODER_OPTION_LTR_MARKED_FRAME_NUM == eOptID) {
iVal = pDecContext->iFrameNumOfAuMarkedLtr;
* ((int*)pOption) = iVal;
return cmResultSuccess;
}
#endif
else if (DECODER_OPTION_VCL_NAL == eOptID) { //feedback whether or not have VCL NAL in current AU
iVal = pDecContext->iFeedbackVclNalInAu;
* ((int*)pOption) = iVal;
return cmResultSuccess;
} else if (DECODER_OPTION_TEMPORAL_ID == eOptID) { //if have VCL NAL in current AU, then feedback the temporal ID
iVal = pDecContext->iFeedbackTidInAu;
* ((int*)pOption) = iVal;
return cmResultSuccess;
} else if (DECODER_OPTION_IS_REF_PIC == eOptID) {
iVal = pDecContext->iFeedbackNalRefIdc;
if (iVal > 0)
iVal = 1;
* ((int*)pOption) = iVal;
return cmResultSuccess;
} else if (DECODER_OPTION_ERROR_CON_IDC == eOptID) {
iVal = (int)pDecContext->pParam->eEcActiveIdc;
* ((int*)pOption) = iVal;
return cmResultSuccess;
} else if (DECODER_OPTION_GET_STATISTICS == eOptID) { // get decoder statistics info for real time debugging
SDecoderStatistics* pDecoderStatistics = (static_cast<SDecoderStatistics*> (pOption));
memcpy (pDecoderStatistics, pDecContext->pDecoderStatistics, sizeof (SDecoderStatistics));
if (pDecContext->pDecoderStatistics->uiDecodedFrameCount != 0) { //not original status
pDecoderStatistics->fAverageFrameSpeedInMs = (float) (pDecContext->dDecTime) /
(pDecContext->pDecoderStatistics->uiDecodedFrameCount);
pDecoderStatistics->fActualAverageFrameSpeedInMs = (float) (pDecContext->dDecTime) /
(pDecContext->pDecoderStatistics->uiDecodedFrameCount + pDecContext->pDecoderStatistics->uiFreezingIDRNum +
pDecContext->pDecoderStatistics->uiFreezingNonIDRNum);
}
return cmResultSuccess;
} else if (eOptID == DECODER_OPTION_STATISTICS_LOG_INTERVAL) {
if (pOption) {
iVal = pDecContext->pDecoderStatistics->iStatisticsLogInterval;
* ((unsigned int*)pOption) = iVal;
return cmResultSuccess;
}
} else if (DECODER_OPTION_GET_SAR_INFO == eOptID) { //get decoder SAR info in VUI
PVuiSarInfo pVuiSarInfo = (static_cast<PVuiSarInfo> (pOption));
memset (pVuiSarInfo, 0, sizeof (SVuiSarInfo));
if (!pDecContext->pSps) {
return cmInitExpected;
} else {
pVuiSarInfo->uiSarWidth = pDecContext->pSps->sVui.uiSarWidth;
pVuiSarInfo->uiSarHeight = pDecContext->pSps->sVui.uiSarHeight;
pVuiSarInfo->bOverscanAppropriateFlag = pDecContext->pSps->sVui.bOverscanAppropriateFlag;
return cmResultSuccess;
}
} else if (DECODER_OPTION_PROFILE == eOptID) {
if (!pDecContext->pSps) {
return cmInitExpected;
}
iVal = (int)pDecContext->pSps->uiProfileIdc;
* ((int*)pOption) = iVal;
return cmResultSuccess;
} else if (DECODER_OPTION_LEVEL == eOptID) {
if (!pDecContext->pSps) {
return cmInitExpected;
}
iVal = (int)pDecContext->pSps->uiLevelIdc;
* ((int*)pOption) = iVal;
return cmResultSuccess;
} else if (DECODER_OPTION_NUM_OF_FRAMES_REMAINING_IN_BUFFER == eOptID) {
for (int32_t activeThread = 0; activeThread < m_DecCtxActiveCount; ++activeThread) {
WAIT_SEMAPHORE (&m_pDecThrCtxActive[activeThread]->sThreadInfo.sIsIdle, WELS_DEC_THREAD_WAIT_INFINITE);
RELEASE_SEMAPHORE (&m_pDecThrCtxActive[activeThread]->sThreadInfo.sIsIdle);
}
* ((int*)pOption) = m_sReoderingStatus.iNumOfPicts;
return cmResultSuccess;
}
return cmInitParaError;
}
DECODING_STATE CWelsDecoder::DecodeFrameNoDelay (const unsigned char* kpSrc,
const int kiSrcLen,
unsigned char** ppDst,
SBufferInfo* pDstInfo) {
int iRet = dsErrorFree;
if (m_iThreadCount >= 1) {
iRet = ThreadDecodeFrameInternal (kpSrc, kiSrcLen, ppDst, pDstInfo);
if (m_sReoderingStatus.iNumOfPicts) {
WAIT_EVENT (&m_sBufferingEvent, WELS_DEC_THREAD_WAIT_INFINITE);
RESET_EVENT (&m_sReleaseBufferEvent);
ReleaseBufferedReadyPicture (NULL, ppDst, pDstInfo);
SET_EVENT (&m_sReleaseBufferEvent);
}
return (DECODING_STATE)iRet;
}
//SBufferInfo sTmpBufferInfo;
//unsigned char* ppTmpDst[3] = {NULL, NULL, NULL};
iRet = (int)DecodeFrame2 (kpSrc, kiSrcLen, ppDst, pDstInfo);
//memcpy (&sTmpBufferInfo, pDstInfo, sizeof (SBufferInfo));
//ppTmpDst[0] = ppDst[0];
//ppTmpDst[1] = ppDst[1];
//ppTmpDst[2] = ppDst[2];
iRet |= DecodeFrame2 (NULL, 0, ppDst, pDstInfo);
//if ((pDstInfo->iBufferStatus == 0) && (sTmpBufferInfo.iBufferStatus == 1)) {
//memcpy (pDstInfo, &sTmpBufferInfo, sizeof (SBufferInfo));
//ppDst[0] = ppTmpDst[0];
//ppDst[1] = ppTmpDst[1];
//ppDst[2] = ppTmpDst[2];
//}
return (DECODING_STATE)iRet;
}
DECODING_STATE CWelsDecoder::DecodeFrame2WithCtx (PWelsDecoderContext pDecContext, const unsigned char* kpSrc,
const int kiSrcLen,
unsigned char** ppDst,
SBufferInfo* pDstInfo) {
if (pDecContext == NULL || pDecContext->pParam == NULL) {
if (m_pWelsTrace != NULL) {
WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_ERROR, "Call DecodeFrame2 without Initialize.\n");
}
return dsInitialOptExpected;
}
if (pDecContext->pParam->bParseOnly) {
WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_ERROR, "bParseOnly should be false for this API calling! \n");
pDecContext->iErrorCode |= dsInvalidArgument;
return dsInvalidArgument;
}
if (CheckBsBuffer (pDecContext, kiSrcLen)) {
if (ResetDecoder (pDecContext))
return dsOutOfMemory;
return dsErrorFree;
}
if (kiSrcLen > 0 && kpSrc != NULL) {
#ifdef OUTPUT_BIT_STREAM
if (m_pFBS) {
WelsFwrite (kpSrc, sizeof (unsigned char), kiSrcLen, m_pFBS);
WelsFflush (m_pFBS);
}
if (m_pFBSSize) {
WelsFwrite (&kiSrcLen, sizeof (int), 1, m_pFBSSize);
WelsFflush (m_pFBSSize);
}
#endif//OUTPUT_BIT_STREAM
pDecContext->bEndOfStreamFlag = false;
if (GetThreadCount (pDecContext) <= 0) {
pDecContext->uiDecodingTimeStamp = ++m_uiDecodeTimeStamp;
}
} else {
//For application MODE, the error detection should be added for safe.
//But for CONSOLE MODE, when decoding LAST AU, kiSrcLen==0 && kpSrc==NULL.
pDecContext->bEndOfStreamFlag = true;
pDecContext->bInstantDecFlag = true;
}
int64_t iStart, iEnd;
iStart = WelsTime();
if (GetThreadCount (pDecContext) <= 1) {
ppDst[0] = ppDst[1] = ppDst[2] = NULL;
}
pDecContext->iErrorCode = dsErrorFree; //initialize at the starting of AU decoding.
pDecContext->iFeedbackVclNalInAu = FEEDBACK_UNKNOWN_NAL; //initialize
unsigned long long uiInBsTimeStamp = pDstInfo->uiInBsTimeStamp;
if (GetThreadCount (pDecContext) <= 1) {
memset (pDstInfo, 0, sizeof (SBufferInfo));
}
pDstInfo->uiInBsTimeStamp = uiInBsTimeStamp;
#ifdef LONG_TERM_REF
pDecContext->bReferenceLostAtT0Flag = false; //initialize for LTR
pDecContext->bCurAuContainLtrMarkSeFlag = false;
pDecContext->iFrameNumOfAuMarkedLtr = 0;
pDecContext->iFrameNum = -1; //initialize
#endif
pDecContext->iFeedbackTidInAu = -1; //initialize
pDecContext->iFeedbackNalRefIdc = -1; //initialize
if (pDstInfo) {
pDstInfo->uiOutYuvTimeStamp = 0;
pDecContext->uiTimeStamp = pDstInfo->uiInBsTimeStamp;
} else {
pDecContext->uiTimeStamp = 0;
}
WelsDecodeBs (pDecContext, kpSrc, kiSrcLen, ppDst,
pDstInfo, NULL); //iErrorCode has been modified in this function
pDecContext->bInstantDecFlag = false; //reset no-delay flag
if (pDecContext->iErrorCode) {
EWelsNalUnitType eNalType =
NAL_UNIT_UNSPEC_0; //for NBR, IDR frames are expected to decode as followed if error decoding an IDR currently
eNalType = pDecContext->sCurNalHead.eNalUnitType;
if (pDecContext->iErrorCode & dsOutOfMemory) {
if (ResetDecoder (pDecContext)) {
return dsOutOfMemory;
}
return dsErrorFree;
}
if (pDecContext->iErrorCode & dsRefListNullPtrs) {
if (ResetDecoder (pDecContext)) {
return dsRefListNullPtrs;
}
return dsErrorFree;
}
//for AVC bitstream (excluding AVC with temporal scalability, including TP), as long as error occur, SHOULD notify upper layer key frame loss.
if ((IS_PARAM_SETS_NALS (eNalType) || NAL_UNIT_CODED_SLICE_IDR == eNalType) ||
(VIDEO_BITSTREAM_AVC == pDecContext->eVideoType)) {
if (pDecContext->pParam->eEcActiveIdc == ERROR_CON_DISABLE) {
#ifdef LONG_TERM_REF
pDecContext->bParamSetsLostFlag = true;
#else
pDecContext->bReferenceLostAtT0Flag = true;
#endif
}
}
if (pDecContext->bPrintFrameErrorTraceFlag) {
WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO, "decode failed, failure type:%d \n",
pDecContext->iErrorCode);
pDecContext->bPrintFrameErrorTraceFlag = false;
} else {
pDecContext->iIgnoredErrorInfoPacketCount++;
if (pDecContext->iIgnoredErrorInfoPacketCount == INT_MAX) {
WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_WARNING, "continuous error reached INT_MAX! Restart as 0.");
pDecContext->iIgnoredErrorInfoPacketCount = 0;
}
}
if ((pDecContext->pParam->eEcActiveIdc != ERROR_CON_DISABLE) && (pDstInfo->iBufferStatus == 1)) {
//TODO after dec status updated
pDecContext->iErrorCode |= dsDataErrorConcealed;
pDecContext->pDecoderStatistics->uiDecodedFrameCount++;
if (pDecContext->pDecoderStatistics->uiDecodedFrameCount == 0) { //exceed max value of uint32_t
ResetDecStatNums (pDecContext->pDecoderStatistics);
pDecContext->pDecoderStatistics->uiDecodedFrameCount++;
}
int32_t iMbConcealedNum = pDecContext->iMbEcedNum + pDecContext->iMbEcedPropNum;
pDecContext->pDecoderStatistics->uiAvgEcRatio = pDecContext->iMbNum == 0 ?
(pDecContext->pDecoderStatistics->uiAvgEcRatio * pDecContext->pDecoderStatistics->uiEcFrameNum) : ((
pDecContext->pDecoderStatistics->uiAvgEcRatio * pDecContext->pDecoderStatistics->uiEcFrameNum) + ((
iMbConcealedNum * 100) / pDecContext->iMbNum));
pDecContext->pDecoderStatistics->uiAvgEcPropRatio = pDecContext->iMbNum == 0 ?
(pDecContext->pDecoderStatistics->uiAvgEcPropRatio * pDecContext->pDecoderStatistics->uiEcFrameNum) : ((
pDecContext->pDecoderStatistics->uiAvgEcPropRatio * pDecContext->pDecoderStatistics->uiEcFrameNum) + ((
pDecContext->iMbEcedPropNum * 100) / pDecContext->iMbNum));
pDecContext->pDecoderStatistics->uiEcFrameNum += (iMbConcealedNum == 0 ? 0 : 1);
pDecContext->pDecoderStatistics->uiAvgEcRatio = pDecContext->pDecoderStatistics->uiEcFrameNum == 0 ? 0 :
pDecContext->pDecoderStatistics->uiAvgEcRatio / pDecContext->pDecoderStatistics->uiEcFrameNum;
pDecContext->pDecoderStatistics->uiAvgEcPropRatio = pDecContext->pDecoderStatistics->uiEcFrameNum == 0 ? 0 :
pDecContext->pDecoderStatistics->uiAvgEcPropRatio / pDecContext->pDecoderStatistics->uiEcFrameNum;
}
iEnd = WelsTime();
pDecContext->dDecTime += (iEnd - iStart) / 1e3;
OutputStatisticsLog (*pDecContext->pDecoderStatistics);
if (GetThreadCount (pDecContext) >= 1) {
WAIT_EVENT (&m_sReleaseBufferEvent, WELS_DEC_THREAD_WAIT_INFINITE);
RESET_EVENT (&m_sBufferingEvent);
BufferingReadyPicture (pDecContext, ppDst, pDstInfo);
SET_EVENT (&m_sBufferingEvent);
} else {
ReorderPicturesInDisplay (pDecContext, ppDst, pDstInfo);
}
return (DECODING_STATE)pDecContext->iErrorCode;
}
// else Error free, the current codec works well
if (pDstInfo->iBufferStatus == 1) {
pDecContext->pDecoderStatistics->uiDecodedFrameCount++;
if (pDecContext->pDecoderStatistics->uiDecodedFrameCount == 0) { //exceed max value of uint32_t
ResetDecStatNums (pDecContext->pDecoderStatistics);
pDecContext->pDecoderStatistics->uiDecodedFrameCount++;
}
OutputStatisticsLog (*pDecContext->pDecoderStatistics);
}
iEnd = WelsTime();
pDecContext->dDecTime += (iEnd - iStart) / 1e3;
if (GetThreadCount (pDecContext) >= 1) {
WAIT_EVENT (&m_sReleaseBufferEvent, WELS_DEC_THREAD_WAIT_INFINITE);
RESET_EVENT (&m_sBufferingEvent);
BufferingReadyPicture (pDecContext, ppDst, pDstInfo);
SET_EVENT (&m_sBufferingEvent);
} else {
ReorderPicturesInDisplay (pDecContext, ppDst, pDstInfo);
}
return dsErrorFree;
}
DECODING_STATE CWelsDecoder::DecodeFrame2 (const unsigned char* kpSrc,
const int kiSrcLen,
unsigned char** ppDst,
SBufferInfo* pDstInfo) {
PWelsDecoderContext pDecContext = m_pDecThrCtx[0].pCtx;
return DecodeFrame2WithCtx (pDecContext, kpSrc, kiSrcLen, ppDst, pDstInfo);
}
DECODING_STATE CWelsDecoder::FlushFrame (unsigned char** ppDst,
SBufferInfo* pDstInfo) {
bool bEndOfStreamFlag = true;
if (m_iThreadCount <= 1) {
for (int32_t j = 0; j < m_iCtxCount; ++j) {
if (!m_pDecThrCtx[j].pCtx->bEndOfStreamFlag) {
bEndOfStreamFlag = false;
}
}
}
if (bEndOfStreamFlag && m_sReoderingStatus.iNumOfPicts > 0) {
m_sReoderingStatus.iMinPOC = IMinInt32;
if (m_bIsBaseline) {
uint32_t uiDecodingTimeStamp = 0;
int32_t firstValidIdx = -1;
for (int32_t i = 0; i <= m_sReoderingStatus.iLargestBufferedPicIndex; ++i) {
if (m_sPictInfoList[i].iPOC > IMinInt32) {
uiDecodingTimeStamp = m_sPictInfoList[i].uiDecodingTimeStamp;
m_sReoderingStatus.iMinPOC = m_sPictInfoList[i].iPOC;
m_sReoderingStatus.iPictInfoIndex = i;
firstValidIdx = i;
break;
}
}
for (int32_t i = 0; i <= m_sReoderingStatus.iLargestBufferedPicIndex; ++i) {
if (i == firstValidIdx) continue;
if (m_sPictInfoList[i].iPOC > IMinInt32 && m_sPictInfoList[i].uiDecodingTimeStamp < uiDecodingTimeStamp) {
uiDecodingTimeStamp = m_sPictInfoList[i].uiDecodingTimeStamp;
m_sReoderingStatus.iMinPOC = m_sPictInfoList[i].iPOC;
m_sReoderingStatus.iPictInfoIndex = i;
}
}
} else {
int32_t firstValidIdx = -1;
for (int32_t i = 0; i <= m_sReoderingStatus.iLargestBufferedPicIndex; ++i) {
if (m_sReoderingStatus.iMinPOC == IMinInt32 && m_sPictInfoList[i].iPOC > IMinInt32) {
m_sReoderingStatus.iMinPOC = m_sPictInfoList[i].iPOC;
m_sReoderingStatus.iPictInfoIndex = i;
firstValidIdx = i;
break;
}
}
for (int32_t i = 0; i <= m_sReoderingStatus.iLargestBufferedPicIndex; ++i) {
if (i == firstValidIdx) continue;
if (m_sPictInfoList[i].iPOC > IMinInt32 && m_sPictInfoList[i].iPOC < m_sReoderingStatus.iMinPOC) {
m_sReoderingStatus.iMinPOC = m_sPictInfoList[i].iPOC;
m_sReoderingStatus.iPictInfoIndex = i;
}
}
}
}
if (m_sReoderingStatus.iMinPOC > IMinInt32) {
m_sReoderingStatus.iLastWrittenPOC = m_sReoderingStatus.iMinPOC;
#if defined (_DEBUG)
#ifdef _MOTION_VECTOR_DUMP_
fprintf (stderr, "Output POC: #%d uiDecodingTimeStamp=%d\n", m_sReoderingStatus.iLastWrittenPOC,
m_sPictInfoList[m_sReoderingStatus.iPictInfoIndex].uiDecodingTimeStamp);
#endif
#endif
memcpy (pDstInfo, &m_sPictInfoList[m_sReoderingStatus.iPictInfoIndex].sBufferInfo, sizeof (SBufferInfo));
ppDst[0] = pDstInfo->pDst[0];
ppDst[1] = pDstInfo->pDst[1];
ppDst[2] = pDstInfo->pDst[2];
m_sPictInfoList[m_sReoderingStatus.iPictInfoIndex].iPOC = IMinInt32;
PPicBuff pPicBuff = m_iThreadCount <= 1 ? m_pDecThrCtx[0].pCtx->pPicBuff : m_pPicBuff;
if (m_sPictInfoList[m_sReoderingStatus.iPictInfoIndex].iPicBuffIdx < pPicBuff->iCapacity) {
PPicture pPic = pPicBuff->ppPic[m_sPictInfoList[m_sReoderingStatus.iPictInfoIndex].iPicBuffIdx];
--pPic->iRefCount;
}
m_sPictInfoList[m_sReoderingStatus.iPictInfoIndex].bLastGOP = false;
m_sReoderingStatus.iMinPOC = IMinInt32;
--m_sReoderingStatus.iNumOfPicts;
}
return dsErrorFree;
}
void CWelsDecoder::OutputStatisticsLog (SDecoderStatistics& sDecoderStatistics) {
if ((sDecoderStatistics.uiDecodedFrameCount > 0) && (sDecoderStatistics.iStatisticsLogInterval > 0)
&& ((sDecoderStatistics.uiDecodedFrameCount % sDecoderStatistics.iStatisticsLogInterval) == 0)) {
WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO,
"DecoderStatistics: uiWidth=%d, uiHeight=%d, fAverageFrameSpeedInMs=%.1f, fActualAverageFrameSpeedInMs=%.1f, \
uiDecodedFrameCount=%d, uiResolutionChangeTimes=%d, uiIDRCorrectNum=%d, \
uiAvgEcRatio=%d, uiAvgEcPropRatio=%d, uiEcIDRNum=%d, uiEcFrameNum=%d, \
uiIDRLostNum=%d, uiFreezingIDRNum=%d, uiFreezingNonIDRNum=%d, iAvgLumaQp=%d, \
iSpsReportErrorNum=%d, iSubSpsReportErrorNum=%d, iPpsReportErrorNum=%d, iSpsNoExistNalNum=%d, iSubSpsNoExistNalNum=%d, iPpsNoExistNalNum=%d, \
uiProfile=%d, uiLevel=%d, \
iCurrentActiveSpsId=%d, iCurrentActivePpsId=%d,",
sDecoderStatistics.uiWidth,
sDecoderStatistics.uiHeight,
sDecoderStatistics.fAverageFrameSpeedInMs,
sDecoderStatistics.fActualAverageFrameSpeedInMs,
sDecoderStatistics.uiDecodedFrameCount,
sDecoderStatistics.uiResolutionChangeTimes,
sDecoderStatistics.uiIDRCorrectNum,
sDecoderStatistics.uiAvgEcRatio,
sDecoderStatistics.uiAvgEcPropRatio,
sDecoderStatistics.uiEcIDRNum,
sDecoderStatistics.uiEcFrameNum,
sDecoderStatistics.uiIDRLostNum,
sDecoderStatistics.uiFreezingIDRNum,
sDecoderStatistics.uiFreezingNonIDRNum,
sDecoderStatistics.iAvgLumaQp,
sDecoderStatistics.iSpsReportErrorNum,
sDecoderStatistics.iSubSpsReportErrorNum,
sDecoderStatistics.iPpsReportErrorNum,
sDecoderStatistics.iSpsNoExistNalNum,
sDecoderStatistics.iSubSpsNoExistNalNum,
sDecoderStatistics.iPpsNoExistNalNum,
sDecoderStatistics.uiProfile,
sDecoderStatistics.uiLevel,
sDecoderStatistics.iCurrentActiveSpsId,
sDecoderStatistics.iCurrentActivePpsId);
}
}
void CWelsDecoder::BufferingReadyPicture (PWelsDecoderContext pCtx, unsigned char** ppDst,
SBufferInfo* pDstInfo) {
if (pDstInfo->iBufferStatus == 0) {
return;
}
m_bIsBaseline = pCtx->pSps->uiProfileIdc == 66 || pCtx->pSps->uiProfileIdc == 83;
if (!m_bIsBaseline) {
if (m_sReoderingStatus.iNumOfPicts && pCtx->pLastDecPicInfo->pPreviousDecodedPictureInDpb
&& pCtx->pLastDecPicInfo->pPreviousDecodedPictureInDpb->bNewSeqBegin) {
m_sReoderingStatus.iLastGOPRemainPicts = m_sReoderingStatus.iNumOfPicts;
for (int32_t i = 0; i <= m_sReoderingStatus.iLargestBufferedPicIndex; ++i) {
if (m_sPictInfoList[i].iPOC > IMinInt32) {
m_sPictInfoList[i].bLastGOP = true;
}
}
} else {
if (m_sReoderingStatus.iNumOfPicts > 0) {
//This can happen when decoder moves to next GOP without being able to decoder first picture PicOrderCntLsb = 0
bool hasGOPChanged = false;
for (int32_t i = 0; i <= m_sReoderingStatus.iLargestBufferedPicIndex; ++i) {
if (m_sPictInfoList[i].iPOC == pCtx->pSliceHeader->iPicOrderCntLsb) {
hasGOPChanged = true;
break;
}
}
if (hasGOPChanged) {
m_sReoderingStatus.iLastGOPRemainPicts = m_sReoderingStatus.iNumOfPicts;
for (int32_t i = 0; i <= m_sReoderingStatus.iLargestBufferedPicIndex; ++i) {
if (m_sPictInfoList[i].iPOC > IMinInt32) {
m_sPictInfoList[i].bLastGOP = true;
}
}
}
}
}
}
for (int32_t i = 0; i < 16; ++i) {
if (m_sPictInfoList[i].iPOC == IMinInt32) {
memcpy (&m_sPictInfoList[i].sBufferInfo, pDstInfo, sizeof (SBufferInfo));
m_sPictInfoList[i].iPOC = pCtx->pSliceHeader->iPicOrderCntLsb;
m_sPictInfoList[i].uiDecodingTimeStamp = pCtx->uiDecodingTimeStamp;
m_sPictInfoList[i].iPicBuffIdx = pCtx->pLastDecPicInfo->pPreviousDecodedPictureInDpb->iPicBuffIdx;
if (GetThreadCount (pCtx) <= 1) ++pCtx->pLastDecPicInfo->pPreviousDecodedPictureInDpb->iRefCount;
m_sPictInfoList[i].bLastGOP = false;
m_iLastBufferedIdx = i;
pDstInfo->iBufferStatus = 0;
++m_sReoderingStatus.iNumOfPicts;
if (i > m_sReoderingStatus.iLargestBufferedPicIndex) {
m_sReoderingStatus.iLargestBufferedPicIndex = i;
}
break;
}
}
}
void CWelsDecoder::ReleaseBufferedReadyPicture (PWelsDecoderContext pCtx, unsigned char** ppDst,
SBufferInfo* pDstInfo) {
PPicBuff pPicBuff = pCtx ? pCtx->pPicBuff : m_pPicBuff;
if (pCtx == NULL && m_iThreadCount <= 1) {
pCtx = m_pDecThrCtx[0].pCtx;
}
if (!m_bIsBaseline && m_sReoderingStatus.iLastGOPRemainPicts > 0) {
m_sReoderingStatus.iMinPOC = IMinInt32;
int32_t firstValidIdx = -1;
for (int32_t i = 0; i <= m_sReoderingStatus.iLargestBufferedPicIndex; ++i) {
if (m_sReoderingStatus.iMinPOC == IMinInt32 && m_sPictInfoList[i].iPOC > IMinInt32 && m_sPictInfoList[i].bLastGOP) {
m_sReoderingStatus.iMinPOC = m_sPictInfoList[i].iPOC;
m_sReoderingStatus.iPictInfoIndex = i;
firstValidIdx = i;
break;
}
}
for (int32_t i = 0; i <= m_sReoderingStatus.iLargestBufferedPicIndex; ++i) {
if (i == firstValidIdx) continue;
if (m_sPictInfoList[i].iPOC > IMinInt32 && m_sPictInfoList[i].iPOC < m_sReoderingStatus.iMinPOC
&& m_sPictInfoList[i].bLastGOP) {
m_sReoderingStatus.iMinPOC = m_sPictInfoList[i].iPOC;
m_sReoderingStatus.iPictInfoIndex = i;
}
}
m_sReoderingStatus.iLastWrittenPOC = m_sReoderingStatus.iMinPOC;
#if defined (_DEBUG)
#ifdef _MOTION_VECTOR_DUMP_
fprintf (stderr, "Output POC: #%d uiDecodingTimeStamp=%d\n", m_sReoderingStatus.iLastWrittenPOC,
m_sPictInfoList[m_sReoderingStatus.iPictInfoIndex].uiDecodingTimeStamp);
#endif
#endif
memcpy (pDstInfo, &m_sPictInfoList[m_sReoderingStatus.iPictInfoIndex].sBufferInfo, sizeof (SBufferInfo));
ppDst[0] = pDstInfo->pDst[0];
ppDst[1] = pDstInfo->pDst[1];
ppDst[2] = pDstInfo->pDst[2];
m_sPictInfoList[m_sReoderingStatus.iPictInfoIndex].iPOC = IMinInt32;
PPicture pPic = pPicBuff->ppPic[m_sPictInfoList[m_sReoderingStatus.iPictInfoIndex].iPicBuffIdx];
--pPic->iRefCount;
m_sPictInfoList[m_sReoderingStatus.iPictInfoIndex].bLastGOP = false;
m_sReoderingStatus.iMinPOC = IMinInt32;
--m_sReoderingStatus.iNumOfPicts;
--m_sReoderingStatus.iLastGOPRemainPicts;
if (m_sReoderingStatus.iLastGOPRemainPicts == 0) {
m_sReoderingStatus.iLastWrittenPOC = IMinInt32;
}
return;
}
if (m_sReoderingStatus.iNumOfPicts && m_bIsBaseline) {
uint32_t uiDecodingTimeStamp = 0;
int32_t firstValidIdx = -1;
for (int32_t i = 0; i <= m_sReoderingStatus.iLargestBufferedPicIndex; ++i) {
if (m_sPictInfoList[i].iPOC > IMinInt32) {
uiDecodingTimeStamp = m_sPictInfoList[i].uiDecodingTimeStamp;
m_sReoderingStatus.iPictInfoIndex = i;
firstValidIdx = i;
break;
}
}
for (int32_t i = 0; i <= m_sReoderingStatus.iLargestBufferedPicIndex; ++i) {
if (i == firstValidIdx) continue;
if (m_sPictInfoList[i].iPOC > IMinInt32 && m_sPictInfoList[i].uiDecodingTimeStamp < uiDecodingTimeStamp) {
uiDecodingTimeStamp = m_sPictInfoList[i].uiDecodingTimeStamp;
m_sReoderingStatus.iPictInfoIndex = i;
}
}
if (uiDecodingTimeStamp > 0) {
#if defined (_DEBUG)
#ifdef _MOTION_VECTOR_DUMP_
fprintf (stderr, "Output POC: #%d uiDecodingTimeStamp=%d\n", m_sPictInfoList[m_sReoderingStatus.iPictInfoIndex].iPOC,
uiDecodingTimeStamp);
#endif
#endif
memcpy (pDstInfo, &m_sPictInfoList[m_sReoderingStatus.iPictInfoIndex].sBufferInfo, sizeof (SBufferInfo));
ppDst[0] = pDstInfo->pDst[0];
ppDst[1] = pDstInfo->pDst[1];
ppDst[2] = pDstInfo->pDst[2];
m_sPictInfoList[m_sReoderingStatus.iPictInfoIndex].iPOC = IMinInt32;
PPicture pPic = pPicBuff->ppPic[m_sPictInfoList[m_sReoderingStatus.iPictInfoIndex].iPicBuffIdx];
--pPic->iRefCount;
--m_sReoderingStatus.iNumOfPicts;
}
return;
}
if (m_sReoderingStatus.iNumOfPicts > 0) {
m_sReoderingStatus.iMinPOC = IMinInt32;
int32_t firstValidIdx = -1;
for (int32_t i = 0; i <= m_sReoderingStatus.iLargestBufferedPicIndex; ++i) {
if (m_sReoderingStatus.iMinPOC == IMinInt32 && m_sPictInfoList[i].iPOC > IMinInt32) {
m_sReoderingStatus.iMinPOC = m_sPictInfoList[i].iPOC;
m_sReoderingStatus.iPictInfoIndex = i;
firstValidIdx = i;
break;
}
}
for (int32_t i = 0; i <= m_sReoderingStatus.iLargestBufferedPicIndex; ++i) {
if (i == firstValidIdx) continue;
if (m_sPictInfoList[i].iPOC > IMinInt32 && m_sPictInfoList[i].iPOC < m_sReoderingStatus.iMinPOC) {
m_sReoderingStatus.iMinPOC = m_sPictInfoList[i].iPOC;
m_sReoderingStatus.iPictInfoIndex = i;
}
}
}
if (m_sReoderingStatus.iMinPOC > IMinInt32) {
int32_t iLastPOC = pCtx != NULL ? pCtx->pSliceHeader->iPicOrderCntLsb : m_sPictInfoList[m_iLastBufferedIdx].iPOC;
bool isReady = (m_sReoderingStatus.iLastWrittenPOC > IMinInt32
&& m_sReoderingStatus.iMinPOC - m_sReoderingStatus.iLastWrittenPOC <= 1)
|| m_sReoderingStatus.iMinPOC < iLastPOC;
if (isReady) {
m_sReoderingStatus.iLastWrittenPOC = m_sReoderingStatus.iMinPOC;
#if defined (_DEBUG)
#ifdef _MOTION_VECTOR_DUMP_
fprintf (stderr, "Output POC: #%d uiDecodingTimeStamp=%d\n", m_sReoderingStatus.iLastWrittenPOC,
m_sPictInfoList[m_sReoderingStatus.iPictInfoIndex].uiDecodingTimeStamp);
#endif
#endif
memcpy (pDstInfo, &m_sPictInfoList[m_sReoderingStatus.iPictInfoIndex].sBufferInfo, sizeof (SBufferInfo));
ppDst[0] = pDstInfo->pDst[0];
ppDst[1] = pDstInfo->pDst[1];
ppDst[2] = pDstInfo->pDst[2];
m_sPictInfoList[m_sReoderingStatus.iPictInfoIndex].iPOC = IMinInt32;
PPicture pPic = pPicBuff->ppPic[m_sPictInfoList[m_sReoderingStatus.iPictInfoIndex].iPicBuffIdx];
--pPic->iRefCount;
m_sPictInfoList[m_sReoderingStatus.iPictInfoIndex].bLastGOP = false;
m_sReoderingStatus.iMinPOC = IMinInt32;
--m_sReoderingStatus.iNumOfPicts;
}
}
}
DECODING_STATE CWelsDecoder::ReorderPicturesInDisplay (PWelsDecoderContext pDecContext, unsigned char** ppDst,
SBufferInfo* pDstInfo) {
DECODING_STATE iRet = dsErrorFree;
if (pDstInfo->iBufferStatus == 1) {
m_bIsBaseline = pDecContext->pSps->uiProfileIdc == 66 || pDecContext->pSps->uiProfileIdc == 83;
if (!m_bIsBaseline) {
BufferingReadyPicture (pDecContext, ppDst, pDstInfo);
ReleaseBufferedReadyPicture (pDecContext, ppDst, pDstInfo);
}
}
return iRet;
}
DECODING_STATE CWelsDecoder::DecodeParser (const unsigned char* kpSrc, const int kiSrcLen, SParserBsInfo* pDstInfo) {
PWelsDecoderContext pDecContext = m_pDecThrCtx[0].pCtx;
if (pDecContext == NULL || pDecContext->pParam == NULL) {
if (m_pWelsTrace != NULL) {
WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_ERROR, "Call DecodeParser without Initialize.\n");
}
return dsInitialOptExpected;
}
if (!pDecContext->pParam->bParseOnly) {
WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_ERROR, "bParseOnly should be true for this API calling! \n");
pDecContext->iErrorCode |= dsInvalidArgument;
return dsInvalidArgument;
}
int64_t iEnd, iStart = WelsTime();
if (CheckBsBuffer (pDecContext, kiSrcLen)) {
if (ResetDecoder (pDecContext))
return dsOutOfMemory;
return dsErrorFree;
}
if (kiSrcLen > 0 && kpSrc != NULL) {
#ifdef OUTPUT_BITSTREAM
if (m_pFBS) {
WelsFwrite (kpSrc, sizeof (unsigned char), kiSrcLen, m_pFBS);
WelsFflush (m_pFBS);
}
#endif//OUTPUT_BIT_STREAM
pDecContext->bEndOfStreamFlag = false;
} else {
//For application MODE, the error detection should be added for safe.
//But for CONSOLE MODE, when decoding LAST AU, kiSrcLen==0 && kpSrc==NULL.
pDecContext->bEndOfStreamFlag = true;
pDecContext->bInstantDecFlag = true;
}
pDecContext->iErrorCode = dsErrorFree; //initialize at the starting of AU decoding.
pDecContext->pParam->eEcActiveIdc = ERROR_CON_DISABLE; //add protection to disable EC here.
pDecContext->iFeedbackNalRefIdc = -1; //initialize
if (!pDecContext->bFramePending) { //frame complete
pDecContext->pParserBsInfo->iNalNum = 0;
memset (pDecContext->pParserBsInfo->pNalLenInByte, 0, MAX_NAL_UNITS_IN_LAYER);
}
pDstInfo->iNalNum = 0;
pDstInfo->iSpsWidthInPixel = pDstInfo->iSpsHeightInPixel = 0;
if (pDstInfo) {
pDecContext->uiTimeStamp = pDstInfo->uiInBsTimeStamp;
pDstInfo->uiOutBsTimeStamp = 0;
} else {
pDecContext->uiTimeStamp = 0;
}
WelsDecodeBs (pDecContext, kpSrc, kiSrcLen, NULL, NULL, pDstInfo);
if (pDecContext->iErrorCode & dsOutOfMemory) {
if (ResetDecoder (pDecContext))
return dsOutOfMemory;
return dsErrorFree;
}
if (!pDecContext->bFramePending && pDecContext->pParserBsInfo->iNalNum) {
memcpy (pDstInfo, pDecContext->pParserBsInfo, sizeof (SParserBsInfo));
if (pDecContext->iErrorCode == ERR_NONE) { //update statistics: decoding frame count
pDecContext->pDecoderStatistics->uiDecodedFrameCount++;
if (pDecContext->pDecoderStatistics->uiDecodedFrameCount == 0) { //exceed max value of uint32_t
ResetDecStatNums (pDecContext->pDecoderStatistics);
pDecContext->pDecoderStatistics->uiDecodedFrameCount++;
}
}
}
pDecContext->bInstantDecFlag = false; //reset no-delay flag
if (pDecContext->iErrorCode && pDecContext->bPrintFrameErrorTraceFlag) {
WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO, "decode failed, failure type:%d \n", pDecContext->iErrorCode);
pDecContext->bPrintFrameErrorTraceFlag = false;
}
iEnd = WelsTime();
pDecContext->dDecTime += (iEnd - iStart) / 1e3;
return (DECODING_STATE)pDecContext->iErrorCode;
}
DECODING_STATE CWelsDecoder::DecodeFrame (const unsigned char* kpSrc,
const int kiSrcLen,
unsigned char** ppDst,
int* pStride,
int& iWidth,
int& iHeight) {
DECODING_STATE eDecState = dsErrorFree;
SBufferInfo DstInfo;
memset (&DstInfo, 0, sizeof (SBufferInfo));
DstInfo.UsrData.sSystemBuffer.iStride[0] = pStride[0];
DstInfo.UsrData.sSystemBuffer.iStride[1] = pStride[1];
DstInfo.UsrData.sSystemBuffer.iWidth = iWidth;
DstInfo.UsrData.sSystemBuffer.iHeight = iHeight;
eDecState = DecodeFrame2 (kpSrc, kiSrcLen, ppDst, &DstInfo);
if (eDecState == dsErrorFree) {
pStride[0] = DstInfo.UsrData.sSystemBuffer.iStride[0];
pStride[1] = DstInfo.UsrData.sSystemBuffer.iStride[1];
iWidth = DstInfo.UsrData.sSystemBuffer.iWidth;
iHeight = DstInfo.UsrData.sSystemBuffer.iHeight;
}
return eDecState;
}
DECODING_STATE CWelsDecoder::DecodeFrameEx (const unsigned char* kpSrc,
const int kiSrcLen,
unsigned char* pDst,
int iDstStride,
int& iDstLen,
int& iWidth,
int& iHeight,
int& iColorFormat) {
DECODING_STATE state = dsErrorFree;
return state;
}
DECODING_STATE CWelsDecoder::ParseAccessUnit (SWelsDecoderThreadCTX& sThreadCtx) {
sThreadCtx.pCtx->bHasNewSps = false;
sThreadCtx.pCtx->bParamSetsLostFlag = m_bParamSetsLostFlag;
sThreadCtx.pCtx->bFreezeOutput = m_bFreezeOutput;
sThreadCtx.pCtx->uiDecodingTimeStamp = ++m_uiDecodeTimeStamp;
bool bPicBuffChanged = false;
if (m_pLastDecThrCtx != NULL && sThreadCtx.pCtx->sSpsPpsCtx.iSeqId < m_pLastDecThrCtx->pCtx->sSpsPpsCtx.iSeqId) {
CopySpsPps (m_pLastDecThrCtx->pCtx, sThreadCtx.pCtx);
sThreadCtx.pCtx->iPicQueueNumber = m_pLastDecThrCtx->pCtx->iPicQueueNumber;
if (sThreadCtx.pCtx->pPicBuff != m_pPicBuff) {
bPicBuffChanged = true;
sThreadCtx.pCtx->pPicBuff = m_pPicBuff;
sThreadCtx.pCtx->bHaveGotMemory = m_pPicBuff != NULL;
sThreadCtx.pCtx->iImgWidthInPixel = m_pLastDecThrCtx->pCtx->iImgWidthInPixel;
sThreadCtx.pCtx->iImgHeightInPixel = m_pLastDecThrCtx->pCtx->iImgHeightInPixel;
}
}
//if threadCount > 1, then each thread must contain exact one complete frame.
if (GetThreadCount (sThreadCtx.pCtx) > 1) {
sThreadCtx.pCtx->pAccessUnitList->uiAvailUnitsNum = 0;
sThreadCtx.pCtx->pAccessUnitList->uiActualUnitsNum = 0;
}
int32_t iRet = DecodeFrame2WithCtx (sThreadCtx.pCtx, sThreadCtx.kpSrc, sThreadCtx.kiSrcLen, sThreadCtx.ppDst,
&sThreadCtx.sDstInfo);
int32_t iErr = InitConstructAccessUnit (sThreadCtx.pCtx, &sThreadCtx.sDstInfo);
if (ERR_NONE != iErr) {
return (DECODING_STATE) (iRet | iErr);
}
if (sThreadCtx.pCtx->bNewSeqBegin) {
m_pPicBuff = sThreadCtx.pCtx->pPicBuff;
} else if (bPicBuffChanged) {
InitialDqLayersContext (sThreadCtx.pCtx, sThreadCtx.pCtx->pSps->iMbWidth << 4, sThreadCtx.pCtx->pSps->iMbHeight << 4);
}
m_bParamSetsLostFlag = sThreadCtx.pCtx->bNewSeqBegin ? false : sThreadCtx.pCtx->bParamSetsLostFlag;
m_bFreezeOutput = sThreadCtx.pCtx->bNewSeqBegin ? false : sThreadCtx.pCtx->bFreezeOutput;
return (DECODING_STATE)iErr;
}
/*
* Run decoding picture in separate thread.
*/
int CWelsDecoder::ThreadDecodeFrameInternal (const unsigned char* kpSrc, const int kiSrcLen, unsigned char** ppDst,
SBufferInfo* pDstInfo) {
int state = dsErrorFree;
int32_t i, j;
int32_t signal = 0;
//serial using of threads
if (m_DecCtxActiveCount < m_iThreadCount) {
signal = m_DecCtxActiveCount;
} else {
signal = m_pDecThrCtxActive[0]->sThreadInfo.uiThrNum;
}
WAIT_SEMAPHORE (&m_pDecThrCtx[signal].sThreadInfo.sIsIdle, WELS_DEC_THREAD_WAIT_INFINITE);
for (i = 0; i < m_DecCtxActiveCount; ++i) {
if (m_pDecThrCtxActive[i] == &m_pDecThrCtx[signal]) {
m_pDecThrCtxActive[i] = NULL;
for (j = i; j < m_DecCtxActiveCount - 1; j++) {
m_pDecThrCtxActive[j] = m_pDecThrCtxActive[j + 1];
m_pDecThrCtxActive[j + 1] = NULL;
}
--m_DecCtxActiveCount;
break;
}
}
m_pDecThrCtxActive[m_DecCtxActiveCount++] = &m_pDecThrCtx[signal];
if (m_pLastDecThrCtx != NULL) {
m_pDecThrCtx[signal].pCtx->pLastThreadCtx = m_pLastDecThrCtx;
}
m_pDecThrCtx[signal].kpSrc = const_cast<uint8_t*> (kpSrc);
m_pDecThrCtx[signal].kiSrcLen = kiSrcLen;
m_pDecThrCtx[signal].ppDst = ppDst;
memcpy (&m_pDecThrCtx[signal].sDstInfo, pDstInfo, sizeof (SBufferInfo));
ParseAccessUnit (m_pDecThrCtx[signal]);
if (m_iThreadCount > 1) {
m_pLastDecThrCtx = &m_pDecThrCtx[signal];
}
m_pDecThrCtx[signal].sThreadInfo.uiCommand = WELS_DEC_THREAD_COMMAND_RUN;
RELEASE_SEMAPHORE (&m_pDecThrCtx[signal].sThreadInfo.sIsActivated);
// wait early picture
if (m_DecCtxActiveCount >= m_iThreadCount) {
WAIT_SEMAPHORE (&m_pDecThrCtxActive[0]->sThreadInfo.sIsIdle, WELS_DEC_THREAD_WAIT_INFINITE);
RELEASE_SEMAPHORE (&m_pDecThrCtxActive[0]->sThreadInfo.sIsIdle);
}
return state;
}
} // namespace WelsDec
using namespace WelsDec;
/*
* WelsGetDecoderCapability
* @return: DecCapability information
*/
int WelsGetDecoderCapability (SDecoderCapability* pDecCapability) {
memset (pDecCapability, 0, sizeof (SDecoderCapability));
pDecCapability->iProfileIdc = 66; //Baseline
pDecCapability->iProfileIop = 0xE0; //11100000b
pDecCapability->iLevelIdc = 32; //level_idc = 3.2
pDecCapability->iMaxMbps = 216000; //from level_idc = 3.2
pDecCapability->iMaxFs = 5120; //from level_idc = 3.2
pDecCapability->iMaxCpb = 20000; //from level_idc = 3.2
pDecCapability->iMaxDpb = 20480; //from level_idc = 3.2
pDecCapability->iMaxBr = 20000; //from level_idc = 3.2
pDecCapability->bRedPicCap = 0; //not support redundant pic
return ERR_NONE;
}
/* WINAPI is indeed in prefix due to sync to application layer callings!! */
/*
* WelsCreateDecoder
* @return: success in return 0, otherwise failed.
*/
long WelsCreateDecoder (ISVCDecoder** ppDecoder) {
if (NULL == ppDecoder) {
return ERR_INVALID_PARAMETERS;
}
*ppDecoder = new CWelsDecoder();
if (NULL == *ppDecoder) {
return ERR_MALLOC_FAILED;
}
return ERR_NONE;
}
/*
* WelsDestroyDecoder
*/
void WelsDestroyDecoder (ISVCDecoder* pDecoder) {
if (NULL != pDecoder) {
delete (CWelsDecoder*)pDecoder;
}
}