nvdsinfer_conversion.h File Reference

Go to the source code of this file.

Typedefs
typedef void(*	NvDsInferConvertFcn) (float *outBuffer, unsigned char *inBuffer, unsigned int width, unsigned int height, unsigned int pitch, float scaleFactor, float *meanDataBuffer, cudaStream_t stream)
	Function pointer type to which any of the NvDsInferConvert functions can be assigned. More...
typedef void(*	NvDsInferConvertFcnFloat) (float *outBuffer, float *inBuffer, unsigned int width, unsigned int height, unsigned int pitch, float scaleFactor, float *meanDataBuffer, cudaStream_t stream)

Functions
void	NvDsInferConvert_C3ToP3Float (float *outBuffer, unsigned char *inBuffer, unsigned int width, unsigned int height, unsigned int pitch, float scaleFactor, float *meanDataBuffer, cudaStream_t stream)
	This is a header file for pre-processing cuda kernels with normalization and mean subtraction required by nvdsinfer. More...
void	NvDsInferConvert_C3ToL3Float (float *outBuffer, unsigned char *inBuffer, unsigned int width, unsigned int height, unsigned int pitch, float scaleFactor, float *meanDataBuffer, cudaStream_t stream)
	Converts an input packed 3 channel buffer of width x height resolution into an linear 3-channel float buffer of width x height resolution. More...
void	NvDsInferConvert_C4ToP3Float (float *outBuffer, unsigned char *inBuffer, unsigned int width, unsigned int height, unsigned int pitch, float scaleFactor, float *meanDataBuffer, cudaStream_t stream)
	Converts an input packed 3 channel buffer of width x height resolution into an planar 3-channel float buffer of width x height resolution. More...
void	NvDsInferConvert_C4ToL3Float (float *outBuffer, unsigned char *inBuffer, unsigned int width, unsigned int height, unsigned int pitch, float scaleFactor, float *meanDataBuffer, cudaStream_t stream)
	Converts an input packed 3 channel buffer of width x height resolution into an linear 3-channel float buffer of width x height resolution. More...
void	NvDsInferConvert_C3ToP3RFloat (float *outBuffer, unsigned char *inBuffer, unsigned int width, unsigned int height, unsigned int pitch, float scaleFactor, float *meanDataBuffer, cudaStream_t stream)
	Converts an input packed 3 channel buffer of width x height resolution into an planar 3-channel float buffer of width x height resolution with plane order reversed. More...
void	NvDsInferConvert_C3ToL3RFloat (float *outBuffer, unsigned char *inBuffer, unsigned int width, unsigned int height, unsigned int pitch, float scaleFactor, float *meanDataBuffer, cudaStream_t stream)
	Converts an input packed 3 channel buffer of width x height resolution into an linear 3-channel float buffer of width x height resolution with plane order reversed. More...
void	NvDsInferConvert_C4ToP3RFloat (float *outBuffer, unsigned char *inBuffer, unsigned int width, unsigned int height, unsigned int pitch, float scaleFactor, float *meanDataBuffer, cudaStream_t stream)
	Converts an input packed 4 channel buffer of width x height resolution into an planar 3-channel float buffer of width x height resolution with plane order reversed. More...
void	NvDsInferConvert_C4ToL3RFloat (float *outBuffer, unsigned char *inBuffer, unsigned int width, unsigned int height, unsigned int pitch, float scaleFactor, float *meanDataBuffer, cudaStream_t stream)
	Converts an input packed 4 channel buffer of width x height resolution into an linear 3-channel float buffer of width x height resolution with plane order reversed. More...
void	NvDsInferConvert_C1ToP1Float (float *outBuffer, unsigned char *inBuffer, unsigned int width, unsigned int height, unsigned int pitch, float scaleFactor, float *meanDataBuffer, cudaStream_t stream)
	Converts an 1 channel UINT8 input of width x height resolution into an 1 channel float buffer of width x height resolution. More...
void	NvDsInferConvert_FtFTensor (float *outBuffer, float *inBuffer, unsigned int width, unsigned int height, unsigned int pitch, float scaleFactor, float *meanDataBuffer, cudaStream_t stream)

Typedef Documentation

NvDsInferConvertFcn

typedef void(* NvDsInferConvertFcn) (float *outBuffer, unsigned char *inBuffer, unsigned int width, unsigned int height, unsigned int pitch, float scaleFactor, float *meanDataBuffer, cudaStream_t stream)

Function pointer type to which any of the NvDsInferConvert functions can be assigned.

Definition at line 313 of file nvdsinfer_conversion.h.

NvDsInferConvertFcnFloat

typedef void(* NvDsInferConvertFcnFloat) (float *outBuffer, float *inBuffer, unsigned int width, unsigned int height, unsigned int pitch, float scaleFactor, float *meanDataBuffer, cudaStream_t stream)

Definition at line 323 of file nvdsinfer_conversion.h.

Function Documentation

NvDsInferConvert_C1ToP1Float()

void NvDsInferConvert_C1ToP1Float	(	float *	outBuffer,
		unsigned char *	inBuffer,
		unsigned int	width,
		unsigned int	height,
		unsigned int	pitch,
		float	scaleFactor,
		float *	meanDataBuffer,
		cudaStream_t	stream
	)

Converts an 1 channel UINT8 input of width x height resolution into an 1 channel float buffer of width x height resolution.

The input buffer can have a pitch > width . The cuda kernel supports normalization and mean image subtraction.

Parameters

outBuffer	Cuda device buffer for float output. Should be at least (width * height * sizeof(float)) bytes.
inBuffer	Cuda device buffer for UINT8 input. Should be at least (pitch * height) bytes.
width	Width of the buffers in pixels.
height	Height of the buffers in pixels.
pitch	Pitch of the input buffer in bytes.
scaleFactor	Normalization factor.
meanDataBuffer	Mean Image Data buffer. Should be at least (width * height * sizeof(float)) bytes.
stream	Cuda stream identifier.

NvDsInferConvert_C3ToL3Float()

void NvDsInferConvert_C3ToL3Float	(	float *	outBuffer,
		unsigned char *	inBuffer,
		unsigned int	width,
		unsigned int	height,
		unsigned int	pitch,
		float	scaleFactor,
		float *	meanDataBuffer,
		cudaStream_t	stream
	)

Converts an input packed 3 channel buffer of width x height resolution into an linear 3-channel float buffer of width x height resolution.

The input buffer can have a pitch > (width * 3). The cuda kernel supports normalization and mean image subtraction.

This kernel can be used for RGB -> RGB and BGR -> BGR conversions.

Parameters

outBuffer	Cuda device buffer for planar float output. Should be at least (width * height * 3 * sizeof(float)) bytes.
inBuffer	Cuda device buffer for packed input. Should be at least (pitch * height) bytes.
width	Width of the buffers in pixels.
height	Height of the buffers in pixels.
pitch	Pitch of the input buffer in bytes.
scaleFactor	Normalization factor.
meanDataBuffer	Mean Image Data buffer. Should be at least (width * height * 3 * sizeof(float)) bytes.
stream	Cuda stream identifier.

NvDsInferConvert_C3ToL3RFloat()

void NvDsInferConvert_C3ToL3RFloat	(	float *	outBuffer,
		unsigned char *	inBuffer,
		unsigned int	width,
		unsigned int	height,
		unsigned int	pitch,
		float	scaleFactor,
		float *	meanDataBuffer,
		cudaStream_t	stream
	)

Converts an input packed 3 channel buffer of width x height resolution into an linear 3-channel float buffer of width x height resolution with plane order reversed.

The input buffer can have a pitch > (width * 3). The cuda kernel supports normalization and mean image subtraction.

This kernel can be used for BGR -> RGB and RGB -> BGR conversions.

Parameters

outBuffer	Cuda device buffer for planar float output. Should be at least (width * height * 3 * sizeof(float)) bytes.
inBuffer	Cuda device buffer for packed input. Should be at least (pitch * height) bytes.
width	Width of the buffers in pixels.
height	Height of the buffers in pixels.
pitch	Pitch of the input buffer in bytes.
scaleFactor	Normalization factor.
meanDataBuffer	Mean Image Data buffer. Should be at least (width * height * 3 * sizeof(float)) bytes.
stream	Cuda stream identifier.

NvDsInferConvert_C3ToP3Float()

void NvDsInferConvert_C3ToP3Float	(	float *	outBuffer,
		unsigned char *	inBuffer,
		unsigned int	width,
		unsigned int	height,
		unsigned int	pitch,
		float	scaleFactor,
		float *	meanDataBuffer,
		cudaStream_t	stream
	)

This is a header file for pre-processing cuda kernels with normalization and mean subtraction required by nvdsinfer.

Converts an input packed 3 channel buffer of width x height resolution into an planar 3-channel float buffer of width x height resolution. The input buffer can have a pitch > (width * 3). The cuda kernel supports normalization and mean image subtraction.

This kernel can be used for RGB -> RGB and BGR -> BGR conversions.

Parameters

outBuffer	Cuda device buffer for planar float output. Should be at least (width * height * 3 * sizeof(float)) bytes.
inBuffer	Cuda device buffer for packed input. Should be at least (pitch * height) bytes.
width	Width of the buffers in pixels.
height	Height of the buffers in pixels.
pitch	Pitch of the input buffer in bytes.
scaleFactor	Normalization factor.
meanDataBuffer	Mean Image Data buffer. Should be at least (width * height * 3 * sizeof(float)) bytes.
stream	Cuda stream identifier.

NvDsInferConvert_C3ToP3RFloat()

void NvDsInferConvert_C3ToP3RFloat	(	float *	outBuffer,
		unsigned char *	inBuffer,
		unsigned int	width,
		unsigned int	height,
		unsigned int	pitch,
		float	scaleFactor,
		float *	meanDataBuffer,
		cudaStream_t	stream
	)

Converts an input packed 3 channel buffer of width x height resolution into an planar 3-channel float buffer of width x height resolution with plane order reversed.

The input buffer can have a pitch > (width * 3). The cuda kernel supports normalization and mean image subtraction.

This kernel can be used for BGR -> RGB and RGB -> BGR conversions.

Parameters

outBuffer	Cuda device buffer for planar float output. Should be at least (width * height * 3 * sizeof(float)) bytes.
inBuffer	Cuda device buffer for packed input. Should be at least (pitch * height) bytes.
width	Width of the buffers in pixels.
height	Height of the buffers in pixels.
pitch	Pitch of the input buffer in bytes.
scaleFactor	Normalization factor.
meanDataBuffer	Mean Image Data buffer. Should be at least (width * height * 3 * sizeof(float)) bytes.
stream	Cuda stream identifier.

NvDsInferConvert_C4ToL3Float()

void NvDsInferConvert_C4ToL3Float	(	float *	outBuffer,
		unsigned char *	inBuffer,
		unsigned int	width,
		unsigned int	height,
		unsigned int	pitch,
		float	scaleFactor,
		float *	meanDataBuffer,
		cudaStream_t	stream
	)

Converts an input packed 3 channel buffer of width x height resolution into an linear 3-channel float buffer of width x height resolution.

The input buffer can have a pitch > (width * 3). The cuda kernel supports normalization and mean image subtraction.

This kernel can be used for RGBA -> RGB and BGRx -> BGR conversions.

Parameters

outBuffer	Cuda device buffer for linear float output. Should be at least (width * height * 3 * sizeof(float)) bytes.
inBuffer	Cuda device buffer for packed input. Should be at least (pitch * height) bytes.
width	Width of the buffers in pixels.
height	Height of the buffers in pixels.
pitch	Pitch of the input buffer in bytes.
scaleFactor	Normalization factor.
meanDataBuffer	Mean Image Data buffer. Should be at least (width * height * 3 * sizeof(float)) bytes.
stream	Cuda stream identifier.

NvDsInferConvert_C4ToL3RFloat()

void NvDsInferConvert_C4ToL3RFloat	(	float *	outBuffer,
		unsigned char *	inBuffer,
		unsigned int	width,
		unsigned int	height,
		unsigned int	pitch,
		float	scaleFactor,
		float *	meanDataBuffer,
		cudaStream_t	stream
	)

Converts an input packed 4 channel buffer of width x height resolution into an linear 3-channel float buffer of width x height resolution with plane order reversed.

The input buffer can have a pitch > (width * 3). The cuda kernel supports normalization and mean image subtraction.

This kernel can be used for BGRx -> RGB and RGBA -> BGR conversions.

Parameters

outBuffer	Cuda device buffer for planar float output. Should be at least (width * height * 3 * sizeof(float)) bytes.
inBuffer	Cuda device buffer for packed input. Should be at least (pitch * height) bytes.
width	Width of the buffers in pixels.
height	Height of the buffers in pixels.
pitch	Pitch of the input buffer in bytes.
scaleFactor	Normalization factor.
meanDataBuffer	Mean Image Data buffer. Should be at least (width * height * 3 * sizeof(float)) bytes.
stream	Cuda stream identifier.

NvDsInferConvert_C4ToP3Float()

void NvDsInferConvert_C4ToP3Float	(	float *	outBuffer,
		unsigned char *	inBuffer,
		unsigned int	width,
		unsigned int	height,
		unsigned int	pitch,
		float	scaleFactor,
		float *	meanDataBuffer,
		cudaStream_t	stream
	)

Converts an input packed 3 channel buffer of width x height resolution into an planar 3-channel float buffer of width x height resolution.

The input buffer can have a pitch > (width * 3). The cuda kernel supports normalization and mean image subtraction.

This kernel can be used for RGBA -> RGB and BGRx -> BGR conversions.

Parameters

outBuffer	Cuda device buffer for planar float output. Should be at least (width * height * 3 * sizeof(float)) bytes.
inBuffer	Cuda device buffer for packed input. Should be at least (pitch * height) bytes.
width	Width of the buffers in pixels.
height	Height of the buffers in pixels.
pitch	Pitch of the input buffer in bytes.
scaleFactor	Normalization factor.
meanDataBuffer	Mean Image Data buffer. Should be at least (width * height * 3 * sizeof(float)) bytes.
stream	Cuda stream identifier.

NvDsInferConvert_C4ToP3RFloat()

void NvDsInferConvert_C4ToP3RFloat	(	float *	outBuffer,
		unsigned char *	inBuffer,
		unsigned int	width,
		unsigned int	height,
		unsigned int	pitch,
		float	scaleFactor,
		float *	meanDataBuffer,
		cudaStream_t	stream
	)

Converts an input packed 4 channel buffer of width x height resolution into an planar 3-channel float buffer of width x height resolution with plane order reversed.

The input buffer can have a pitch > (width * 3). The cuda kernel supports normalization and mean image subtraction.

This kernel can be used for BGRx -> RGB and RGBA -> BGR conversions.

Parameters

outBuffer	Cuda device buffer for planar float output. Should be at least (width * height * 3 * sizeof(float)) bytes.
inBuffer	Cuda device buffer for packed input. Should be at least (pitch * height) bytes.
width	Width of the buffers in pixels.
height	Height of the buffers in pixels.
pitch	Pitch of the input buffer in bytes.
scaleFactor	Normalization factor.
meanDataBuffer	Mean Image Data buffer. Should be at least (width * height * 3 * sizeof(float)) bytes.
stream	Cuda stream identifier.

NvDsInferConvert_FtFTensor()

void NvDsInferConvert_FtFTensor	(	float *	outBuffer,
		float *	inBuffer,
		unsigned int	width,
		unsigned int	height,
		unsigned int	pitch,
		float	scaleFactor,
		float *	meanDataBuffer,
		cudaStream_t	stream
	)