CUDA encode device path that converts frames through system memory. More...

Inheritance diagram for cuda::cuda_ram_t:

Collaboration diagram for cuda::cuda_ram_t:

Public Member Functions
int	convert (platf::img_t &img) override
	Convert a captured frame through CUDA into system-memory encoder input.

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

Public Member Functions inherited from cuda::cuda_t
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
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
tex_t	tex
	CUDA texture object used as the conversion source.

Public Attributes inherited from cuda::cuda_t
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 path that converts frames through system memory.

Member Function Documentation

int cuda::cuda_ram_t::convert ( platf::img_t & img )

inlineoverridevirtual

Convert a captured frame through CUDA into system-memory encoder input.

Parameters

img	Image or frame object to read from or populate.

int cuda::cuda_ram_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.

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