CUDA encode device that imports captured frames into CUDA memory. More...

Inheritance diagram for cuda::cuda_t:

Collaboration diagram for cuda::cuda_t:

Public Member Functions
void	apply_colorspace () override
	Apply the configured colorspace metadata to the active frame.

int	init (int in_width, int in_height)
	Initialize the CUDA device context used for frame conversion.

int	set_frame (AVFrame frame, AVBufferRef hw_frames_ctx) override
	Attach frame resources used by the next conversion or encode operation.

cudaTextureObject_t	tex_obj (const tex_t &tex) const
	Select the CUDA texture object for the configured filtering mode.

Public Member Functions inherited from platf::avcodec_encode_device_t
int	convert (platf::img_t &img) override
	Convert a captured image into the encoder input representation.

virtual void	init_codec_options (AVCodecContext ctx, AVDictionary *options)
	Provides a hook for allow platform-specific code to adjust codec options.

virtual void	init_hwframes (AVHWFramesContext *frames)
	Initialize the hwframes context.

virtual int	prepare_to_derive_context (int hw_device_type)
	Prepare to derive a context.

Public Member Functions inherited from platf::encode_device_t

Public Attributes
int	height
	Frame or display height in pixels.

frame_t	hwframe
	FFmpeg hardware frame backed by CUDA resources.

bool	is_yuv444
	Whether the CUDA converter outputs YUV 4:4:4.

bool	linear_interpolation
	Whether the CUDA converter uses linear interpolation.

stream_t	stream
	CUDA stream used for asynchronous conversion work.

sws_t	sws
	Software scaler used for CUDA frame conversion fallback paths.

int	width
	Frame or display width in pixels.

Public Attributes inherited from platf::avcodec_encode_device_t
void *	data {}
	Backend-specific conversion state.

AVFrame *	frame {}
	FFmpeg frame currently owned by the encode device.

Public Attributes inherited from platf::encode_device_t
video::sunshine_colorspace_t	colorspace
	Colorspace metadata expected by the encoder.

Detailed Description

CUDA encode device that imports captured frames into CUDA memory.

Member Function Documentation

void cuda::cuda_t::apply_colorspace ( )

inlineoverridevirtual

Apply the configured colorspace metadata to the active frame.

int cuda::cuda_t::init	(	int	in_width,
		int	in_height )

inline

Initialize the CUDA device context used for frame conversion.

Parameters

in_width	In width.
in_height	In height.

int cuda::cuda_t::set_frame	(	AVFrame *	frame,
		AVBufferRef *	hw_frames_ctx )

inlineoverridevirtual

Attach frame resources used by the next conversion or encode operation.

Parameters

frame	Video or graphics frame being processed.
hw_frames_ctx	FFmpeg hardware frames context associated with the frame.

cudaTextureObject_t cuda::cuda_t::tex_obj ( const tex_t & tex ) const

inline

Select the CUDA texture object for the configured filtering mode.

Parameters

tex	Texture resource used by the converter.

The documentation for this class was generated from the following file: