VAAPI encode path that keeps converted frames in GPU memory. More...

Inheritance diagram for va::va_vram_t:

Collaboration diagram for va::va_vram_t:

Public Member Functions
int	convert (platf::img_t &img) override
	Convert a captured VAAPI frame into GPU encoder input.

int	init (int in_width, int in_height, file_t &&render_device, int offset_x, int offset_y)
	Initialize VAAPI GPU-frame conversion for the selected display.

Public Member Functions inherited from va::va_t
void	apply_colorspace () override
	Apply the configured colorspace metadata to the active frame.

VAProfile	get_va_profile (AVCodecContext *ctx)
	Determines the matching VA profile for the codec configuration.

int	init (int in_width, int in_height, file_t &&render_device)
	Initialize VAAPI display, EGL, and conversion resources.

void	init_codec_options (AVCodecContext ctx, AVDictionary *options) override
	Initialize codec options.

bool	is_va_profile_supported (VAProfile profile)
	Determines if a given VA profile is supported.

VAEntrypoint	select_va_entrypoint (VAProfile profile)
	Finds a supported VA entrypoint for the given VA profile.

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

Public Member Functions inherited from platf::avcodec_encode_device_t
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	offset_x
	Horizontal offset in physical pixels.

int	offset_y
	Vertical offset in physical pixels.

egl::rgb_t	rgb
	Imported RGB image used before VAAPI conversion.

std::uint64_t	sequence
	Monotonic sequence used to recreate imported EGL resources.

Public Attributes inherited from va::va_t
egl::ctx_t	ctx
	EGL context used for VA-API frame conversion.

egl::display_t	display
	EGL display created from the DRM render node.

file_t	file
	DRM render-node file descriptor used by VAAPI and EGL.

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 a VAAPI surface.

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

egl::sws_t	sws
	EGL/OpenGL conversion pipeline for VA-API frames.

va::display_t::pointer	va_display
	VA display used to allocate and destroy surfaces.

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

VAAPI encode path that keeps converted frames in GPU memory.

Member Function Documentation

int va::va_vram_t::convert ( platf::img_t & img )

inlineoverridevirtual

Convert a captured VAAPI frame into GPU encoder input.

Parameters

img	Image or frame object to read from or populate.

inline

Initialize VAAPI GPU-frame conversion for the selected display.

Parameters

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