acldvppChannelDescParamType

Data Format

Description

ACL_DVPP_CSC_MATRIX_UINT32 = 0

CSC matrix attribute. The value is of the uint32_t type. For details about the attribute value, see acldvppCscMatrix.

The Atlas training product does not support this mode.

ACL_DVPP_MODE_UINT32

Channel mode in the channel description, which specifies the function to be implemented by the image data processing channel. Currently, the VPC, JPEGD, JPEGE, and PNGD functions are supported. For details about the attribute values, see acldvppChannelMode.

The Atlas training product does not support this mode.

ACL_DVPP_CHANNEL_ID_UINT64

Channel ID.

ACL_DVPP_CHANNEL_HEIGHT_UINT32

Channel height. Currently, this attribute can be used only in the JPEGE function.

For the Atlas inference product, the default value and maximum value are 8192.

For the Atlas A2 training product/Atlas A2 inference product, the default value and maximum value are 8192.

For the Atlas 200I/500 A2 inference product, the default value is 8192, and the maximum value is 16384. If the input image height is greater than 8192, call acl.media.dvpp_set_channel_desc_param to set the channel height.

For the Atlas A3 training product/Atlas A3 inference product, the default value and maximum value are 8192.

The Atlas training product does not support this mode.

ACL_DVPP_CHANNEL_WIDTH_UINT32

Channel width. Currently, this attribute can be used only in the JPEGE function.

For the Atlas inference product, the default value and maximum value are 8192.

For the Atlas A2 training product/Atlas A2 inference product, the default value and maximum value are 8192.

For the Atlas 200I/500 A2 inference product, the default value is 8192, and the maximum value is 16384. If the width of the input image is greater than 8192, call acl.media.dvpp_set_channel_desc_param to set the channel width.

The Atlas training product does not support this mode.

ACL_DVPP_JPEGD_PRECISION_MODE_ENUM

Alignment mode of the width and height of the JPEGD output image. For details about the mode options, see acldvppJpegdPrecisionMode.

Currently, this attribute can be used only in the JPEGD function. Setting this attribute in other functions is invalid.

The Atlas training product does not support this mode.