// 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);
//reset decoder context
if (m_pDecContext) //free
UninitDecoder();
m_pDecContext = (PWelsDecoderContext)WelsMallocz (sizeof (SWelsDecoderContext), "m_pDecContext");
if (NULL == m_pDecContext)
return cmMallocMemeError;
int32_t iCacheLineSize = 16; // on chip cache line size in byte
m_pDecContext->pMemAlign = new CMemoryAlign (iCacheLineSize);
WELS_VERIFY_RETURN_PROC_IF (1, (NULL == m_pDecContext->pMemAlign), UninitDecoder())
//fill in default value into context
WelsDecoderDefaults (m_pDecContext, &m_pWelsTrace->m_sLogCtx);
//check param and update decoder context
m_pDecContext->pParam = (SDecodingParam*) m_pDecContext->pMemAlign->WelsMallocz (sizeof (SDecodingParam),
"SDecodingParam");
WELS_VERIFY_RETURN_PROC_IF (cmMallocMemeError, (NULL == m_pDecContext->pParam), UninitDecoder());
int32_t iRet = DecoderConfigParam (m_pDecContext, pParam);
WELS_VERIFY_RETURN_IFNEQ (iRet, cmResultSuccess);
//init decoder
WELS_VERIFY_RETURN_PROC_IF (cmInitParaError, WelsInitDecoder (m_pDecContext, &m_pWelsTrace->m_sLogCtx), UninitDecoder())
return cmResultSuccess;
}
long CWelsDecoder::Initialize (const SDecodingParam* pParam) {
if (pParam == NULL) {
IWelsTrace::WelsVTrace (m_pTrace, IWelsTrace::WELS_LOG_INFO, "CWelsDecoder::Initialize(), invalid input argument.");
return cmInitParaError;
}
// H.264 decoder initialization,including memory allocation,then open it ready to decode
InitDecoder();
DecoderConfigParam (m_pDecContext, pParam);
return cmResultSuccess;
}
long CWelsDecoder::Initialize (void_t* pParam, const INIT_TYPE keInitType) {
if (pParam == NULL || keInitType != INIT_TYPE_PARAMETER_BASED) {
IWelsTrace::WelsVTrace (m_pTrace, IWelsTrace::WELS_LOG_INFO, "CWelsDecoder::Initialize(), invalid input argument.");
return cmInitParaError;
}
// H.264 decoder initialization,including memory allocation,then open it ready to decode
InitDecoder();
DecoderConfigParam (m_pDecContext, pParam);
return cmResultSuccess;
}
long CWelsDecoder::Initialize (const SDecodingParam* pParam) {
if (m_pWelsTrace == NULL) {
return cmMallocMemeError;
}
if (pParam == NULL) {
WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO, "CWelsDecoder::Initialize(), invalid input argument.");
return cmInitParaError;
}
// H.264 decoder initialization,including memory allocation,then open it ready to decode
InitDecoder();
DecoderConfigParam (m_pDecContext, pParam);
return cmResultSuccess;
}
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->bParseOnly);
if (iRet)
return iRet;
iRet = DecoderConfigParam (m_pDecContext, pParam);
if (iRet)
return iRet;
return cmResultSuccess;
}
