// 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;
}
// the return value of this function is not suitable, it need report failure info to upper layer.
int32_t CWelsDecoder::InitDecoder (const bool bParseOnly) {
WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO, "CWelsDecoder::init_decoder(), openh264 codec version = %s",
VERSION_NUMBER);
if (m_pDecContext) //free
UninitDecoder();
m_pDecContext = (PWelsDecoderContext)WelsMallocz (sizeof (SWelsDecoderContext), "m_pDecContext");
if (NULL == m_pDecContext)
return cmMallocMemeError;
return WelsInitDecoder (m_pDecContext, bParseOnly, &m_pWelsTrace->m_sLogCtx);
}
int32_t CWelsDecoder::ResetDecoder() {
// TBC: need to be modified when context and trace point are null
if (m_pDecContext != NULL && m_pWelsTrace != NULL) {
WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO, "ResetDecoder(), context error code is %d",
m_pDecContext->iErrorCode);
SDecodingParam sPrevParam;
memcpy (&sPrevParam, m_pDecContext->pParam, sizeof (SDecodingParam));
WELS_VERIFY_RETURN_PROC_IF (cmInitParaError, InitDecoder (&sPrevParam), UninitDecoder());
} else if (m_pWelsTrace != NULL) {
WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_ERROR, "ResetDecoder() failed as decoder context null");
}
return ERR_INFO_UNINIT;
}
/***************************************************************************
* Description:
* class CWelsDecoder destructor function, destroy allocced memory
*
* Input parameters: none
*
* return: none
***************************************************************************/
CWelsDecoder::~CWelsDecoder() {
IWelsTrace::WelsVTrace (m_pTrace, IWelsTrace::WELS_LOG_INFO, "CWelsDecoder::~CWelsDecoder()");
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 (NULL != m_pTrace) {
delete m_pTrace;
m_pTrace = NULL;
}
}
/***************************************************************************
* 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()");
}
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;
}
}
long CWelsDecoder::Uninitialize() {
UninitDecoder();
return ERR_NONE;
}