本文整理汇总了C++中OMX_COMPONENTTYPE::GetConfig方法的典型用法代码示例。如果您正苦于以下问题：C++ OMX_COMPONENTTYPE::GetConfig方法的具体用法？C++ OMX_COMPONENTTYPE::GetConfig怎么用？C++ OMX_COMPONENTTYPE::GetConfig使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类OMX_COMPONENTTYPE的用法示例。
在下文中一共展示了OMX_COMPONENTTYPE::GetConfig方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1:
static OMX_ERRORTYPE OMX_ConfigureDynamicPFramesInH264E( OMX_HANDLETYPE hComponent,
OMX_BUFFERHEADERTYPE * pBufferHdr, OMX_U32 nCurrentFrameRate, OMX_U32 nTargetFrameRate)
{
OMX_ERRORTYPE eError = OMX_ErrorNone;
OMX_U32 remainder = 0;
OMX_U16 nTargetPFrames =0; /* Target Pframes to be provided to Encoder */
OMX_U16 nCurrentPFrames = 0; /* Current pFrame Value configured to Encoder */
OMX_VIDEO_CONFIG_AVCINTRAPERIOD tPframeH264e;
OMX_VIDEO_PARAM_AVCTYPE h264type;
OMX_COMPONENTTYPE *pHandle;
if (hComponent == NULL){
DOMX_ERROR("Component is invalid/ not present ");
return OMX_ErrorBadParameter;
}
pHandle = (OMX_COMPONENTTYPE *) hComponent;
/* Initialise the OMX structures */
OMX_INIT_STRUCT(tPframeH264e, OMX_VIDEO_CONFIG_AVCINTRAPERIOD);
OMX_INIT_STRUCT(h264type,OMX_VIDEO_PARAM_AVCTYPE);
/* Read number of B Frames if not read yet */
if(!nBFrames){
h264type.nPortIndex = 1;
eError = pHandle->GetParameter(hComponent,OMX_IndexParamVideoAvc,&h264type);
if(eError != OMX_ErrorNone) {
DOMX_ERROR(" Error while reading component info = %d",eError);
return eError;
}
nBFrames = h264type.nBFrames;
}
/* Read Current pFrames set in Encoder */
tPframeH264e.nPortIndex = 1;
eError = pHandle->GetConfig(hComponent,OMX_IndexConfigVideoAVCIntraPeriod,&tPframeH264e);
if(eError != OMX_ErrorNone) {
DOMX_ERROR(" Error while Getting PFrame info, Error code = %d",eError);
return eError;
}
nCurrentPFrames = tPframeH264e.nPFrames;
/* Calculate Target P Frames */
nTargetPFrames = (nCurrentPFrames * nTargetFrameRate) /nCurrentFrameRate;
/* Number of pFrames should be multiple of (B FRAMES + 1) */
remainder = nTargetPFrames % (nBFrames + 1);
nTargetPFrames = nTargetPFrames - remainder;
if(nTargetPFrames == nCurrentPFrames){
DOMX_INFO(" No Change in P Frames, No Update required");
return OMX_ErrorNone;
}
/* Update the new PFrames to the Encoder */
tPframeH264e.nPFrames = nTargetPFrames;
eError = pHandle->SetConfig(hComponent,OMX_IndexConfigVideoAVCIntraPeriod,&tPframeH264e);
if(eError != OMX_ErrorNone) {
DOMX_ERROR(" Error while setting PFrame info, Error code = %d",eError);
}
return eError;
}示例2: vcil_in_get_config
void vcil_in_get_config(ILCS_COMMON_T *st, void *call, int clen, void *resp, int *rlen)
{
IL_GET_EXECUTE_T *exe = call;
IL_GET_RESPONSE_T *ret = resp;
OMX_COMPONENTTYPE *pComp = exe->reference;
OMX_U32 size = *((OMX_U32 *) (&exe->param));
ret->func = IL_GET_CONFIG;
if(size > VC_ILCS_MAX_PARAM_SIZE)
{
*rlen = IL_GET_RESPONSE_HEADER_SIZE;
ret->err = OMX_ErrorHardware;
}
else
{
*rlen = size + IL_GET_RESPONSE_HEADER_SIZE;
ret->func = IL_GET_CONFIG;
ret->err = pComp->GetConfig(pComp, exe->index, exe->param);
memcpy(ret->param, exe->param, size);
}
}示例3: OMX_ConfigureDynamicFrameRate
static OMX_ERRORTYPE OMX_ConfigureDynamicFrameRate( OMX_HANDLETYPE hComponent,
OMX_BUFFERHEADERTYPE * pBufferHdr, OMX_STRING hCompName)
{
OMX_ERRORTYPE eError = OMX_ErrorNone;
OMX_U32 nTargetFrameRate = 0; /* Target Frame Rate to be provided to Encoder */
OMX_U32 nCurrentFrameRate = 0; /* Current Frame Rate currently set in Encoder */
OMX_CONFIG_FRAMERATETYPE tFrameRate;
OMX_COMPONENTTYPE *pHandle;
if (hComponent == NULL){
DOMX_ERROR("Component is invalid/ not present ");
return OMX_ErrorBadParameter;
}
pHandle = (OMX_COMPONENTTYPE *) hComponent;
/* Initialise the OMX structures */
OMX_INIT_STRUCT(tFrameRate,OMX_CONFIG_FRAMERATETYPE);
/* Intialise nLastFrameRateUpdateTime for the 1st frame */
if((!nFrameCounter) && (!nLastFrameRateUpdateTime)){
nLastFrameRateUpdateTime = pBufferHdr-> nTimeStamp;
}
/* Increment the Frame Counter and Calculate Frame Rate*/
nFrameCounter++;
nVideoTime = pBufferHdr->nTimeStamp - nLastFrameRateUpdateTime;
if(nVideoTime < 0) {
return OMX_ErrorBadParameter;
}
/*Get Port Frame Rate if not read yet*/
if(!nFrameRateThreshold) {
tFrameRate.nPortIndex = 1; /* Output Port Index */
/* Read Current FrameRate */
eError = pHandle->GetConfig(hComponent,OMX_IndexConfigVideoFramerate,&tFrameRate);
nFrameRateThreshold = tFrameRate.xEncodeFramerate >>16;
nPortFrameRate = nFrameRateThreshold;
DOMX_INFO(" Port Frame Rate is %d ", nPortFrameRate);
}