OpenGL/CUDA interop resources used for GPU-side frame conversion. More...

Inheritance diagram for cuda::gl_cuda_vram_t:

Collaboration diagram for cuda::gl_cuda_vram_t:

Public Member Functions
void	apply_colorspace () override
	Configures shader parameters for the specified colorspace.

int	convert (platf::img_t &img) override
	Convert the captured image into the target CUDA frame.

int	init (int in_width, int in_height, int offset_x, int offset_y)
	Initialize the GL->CUDA encoding device.

int	set_frame (AVFrame frame, AVBufferRef hw_frames_ctx_buf) override
	Initialize color conversion into target CUDA frame.

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
egl::ctx_t	ctx
	EGL context used to import captured frames.

cu_resources	cu_res
	CUDA graphics resources registered for the current frame.

egl::display_t	display
	EGL display used to import captured frames.

file_t	file
	File descriptor for the imported DMA-BUF.

gbm::gbm_t	gbm
	GBM device used for buffer allocation..

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.

egl::nv12_t	nv12
	EGL/OpenGL resources used for NV12 output frames.

int	offset_x
	Horizontal offset in physical pixels.

int	offset_y
	Vertical offset in physical pixels.

egl::rgb_t	rgb
	Imported RGB source image used before CUDA conversion.

std::uint64_t	sequence
	Capture sequence number associated with the frame.

stream_t	stream
	CUDA stream used for asynchronous conversion work.

AVPixelFormat	sw_format
	FFmpeg software pixel format produced by conversion.

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

int	width
	Frame or display width in pixels.

egl::yuv444_t	yuv444
	EGL/OpenGL resources used for YUV444 output frames.

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

OpenGL/CUDA interop resources used for GPU-side frame conversion.

Member Function Documentation

void cuda::gl_cuda_vram_t::apply_colorspace ( )

inlineoverridevirtual

Configures shader parameters for the specified colorspace.

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

inlineoverridevirtual

Convert the captured image into the target CUDA frame.

Parameters

img	Captured screen image.

inline

Initialize the GL->CUDA encoding device.

Parameters

in_width	Width of captured frames.
in_height	Height of captured frames.
offset_x	Offset of content in captured frame.
offset_y	Offset of content in captured frame.

int cuda::gl_cuda_vram_t::set_frame	(	AVFrame *	frame,
		AVBufferRef *	hw_frames_ctx_buf )

inlineoverridevirtual

Initialize color conversion into target CUDA frame.

Parameters

frame	Destination CUDA frame to write into.
hw_frames_ctx_buf	FFmpeg hardware frame context.

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