MixChannels

Functions

NVCVStatus pvaMixChannelsCreate(NVCVOperatorHandle *handle, NVCVTensorRequirements **inTensorReqPtrs, NVCVTensorRequirements **outTensorReqPtrs, int inTensorCount, int outTensorCount, PVAMixChannelsCode code)

Constructs an instance of the MixChannels operator.

NVCVStatus pvaMixChannelsSubmit(NVCVOperatorHandle handle, cupvaStream_t stream, NVCVTensorHandle *inHandles, NVCVTensorHandle *outHandles, int inTensorCount, int outTensorCount)

Executes the mix channels operation on image.

Functions

NVCVStatus pvaMixChannelsCreate(

NVCVOperatorHandle *handle,

NVCVTensorRequirements **inTensorReqPtrs,

NVCVTensorRequirements **outTensorReqPtrs,

int inTensorCount,

int outTensorCount,

PVAMixChannelsCode code,

)

Constructs an instance of the MixChannels operator.

Limitations: height >= 64, width >= 64

Input: for each case, all input tensors must have the same height and width.

PVAMixChannelsCode	inTensorCount	dtype	rank	layout	shape
SPLIT_RGBA8_TO_U8	1	NVCV_DATA_TYPE_U8	3	HWC	[h, w, 4]
MERGE_U8_TO_RGBA8	4	NVCV_DATA_TYPE_U8	3	HWC	[h, w, 1]

Output: for each case, all output tensors must have the same height and width.

PVAMixChannelsCode	outTensorCount	dtype	rank	layout	shape
SPLIT_RGBA8_TO_U8	4	NVCV_DATA_TYPE_U8	3	HWC	[h, w, 1]
MERGE_U8_TO_RGBA8	1	NVCV_DATA_TYPE_U8	3	HWC	[h, w, 4]

Parameters:

• handle – [out] Where the operator instance handle will be written to.

  • Must not be NULL.

• inTensorReqPtrs – [in] Pointer to array of input NVCVTensorRequirements pointers.

• outTensorReqPtrs – [in] Pointer to array of output NVCVTensorRequirements pointers.

• inTensorCount – [in] Number of input tensors.

• outTensorCount – [in] Number of output tensors.

• code – [in] Mix channels case code.

Return values:

• NVCV_ERROR_INVALID_ARGUMENT – Handle is null.

• NVCV_ERROR_OUT_OF_MEMORY – Not enough memory to create the operator.

• NVCV_SUCCESS – Operation executed successfully.

NVCVStatus pvaMixChannelsSubmit(

NVCVOperatorHandle handle,

cupvaStream_t stream,

NVCVTensorHandle *inHandles,

NVCVTensorHandle *outHandles,

int inTensorCount,

int outTensorCount,

)

Executes the mix channels operation on image.

Parameters:

• handle – [in] Handle to the operator.

  • Must not be NULL.

• stream – [in] Handle to a valid CUPVA stream.

• inHandles – [in] Pointer to array of input NVCVTensorHandle.

• outHandles – [out] Pointer to array of output NVCVTensorHandle.

• inTensorCount – [in] Number of input tensors.

• outTensorCount – [in] Number of output tensors.

Return values:

• NVCV_ERROR_INVALID_ARGUMENT – Some parameter is outside valid range.

• NVCV_ERROR_INTERNAL – Internal error in the operator, invalid types passed in.

• NVCV_SUCCESS – Operation executed successfully.