#include "refstruct.h"
#include "vulkan_video.h"
#include "vulkan_decode.h"
#include "config_components.h"
#include "libavutil/avassert.h"
#include "libavutil/mem.h"
#include "libavutil/vulkan_loader.h"

Functions
static const FFVulkanDecodeDescriptor *	get_codecdesc (enum AVCodecID codec_id)

static const VkVideoProfileInfoKHR *	get_video_profile (FFVulkanDecodeShared *ctx, enum AVCodecID codec_id)

int	ff_vk_update_thread_context (AVCodecContext dst, const AVCodecContext src)
	Synchronize the contexts between 2 threads. More...

int	ff_vk_params_invalidate (AVCodecContext avctx, int t, const uint8_t b, uint32_t s)
	Removes current session parameters to recreate them. More...

static int	vk_decode_create_view (FFVulkanDecodeContext dec, VkImageView dst_view, VkImageAspectFlags aspect, AVVkFrame src, VkFormat vkf, int is_current)

static AVFrame *	vk_get_dpb_pool (FFVulkanDecodeShared *ctx)

int	ff_vk_decode_prepare_frame (FFVulkanDecodeContext dec, AVFrame pic, FFVulkanDecodePicture *vkpic, int is_current, int alloc_dpb)
	Prepare a frame, creates the image view, and sets up the dpb fields. More...

int	ff_vk_decode_add_slice (AVCodecContext avctx, FFVulkanDecodePicture vp, const uint8_t data, size_t size, int add_startcode, uint32_t nb_slices, const uint32_t **offsets)
	Add slice data to frame. More...

void	ff_vk_decode_flush (AVCodecContext *avctx)
	Flush decoder. More...

int	ff_vk_decode_frame (AVCodecContext avctx, AVFrame pic, FFVulkanDecodePicture vp, AVFrame rpic[], FFVulkanDecodePicture *rvkp[])
	Decode a frame. More...

void	ff_vk_decode_free_frame (AVHWDeviceContext dev_ctx, FFVulkanDecodePicture vp)
	Free a frame and its state. More...

static void	free_common (FFRefStructOpaque unused, void *obj)

static int	vulkan_decode_bootstrap (AVCodecContext avctx, AVBufferRef frames_ref)

static VkResult	vulkan_setup_profile (AVCodecContext avctx, FFVulkanDecodeProfileData prof, AVVulkanDeviceContext hwctx, FFVulkanFunctions vk, const FFVulkanDecodeDescriptor vk_desc, VkVideoDecodeH264CapabilitiesKHR h264_caps, VkVideoDecodeH265CapabilitiesKHR h265_caps, VkVideoDecodeAV1CapabilitiesKHR av1_caps, VkVideoCapabilitiesKHR caps, VkVideoDecodeCapabilitiesKHR dec_caps, int cur_profile)

static int	vulkan_decode_get_profile (AVCodecContext avctx, AVBufferRef frames_ref, enum AVPixelFormat pix_fmt, VkFormat vk_fmt, FFVulkanDecodeProfileData prof, int dpb_dedicate)

static void	free_profile_data (AVHWFramesContext *hwfc)

int	ff_vk_frame_params (AVCodecContext avctx, AVBufferRef hw_frames_ctx)
	Initialize hw_frames_ctx with the parameters needed to decode the stream using the parameters from avctx. More...

static void	vk_decode_free_params (void opaque, uint8_t data)

int	ff_vk_decode_create_params (AVBufferRef *par_ref, void logctx, FFVulkanDecodeShared ctx, const VkVideoSessionParametersCreateInfoKHR session_params_create)
	Create VkVideoSessionParametersKHR wrapped in an AVBufferRef. More...

int	ff_vk_decode_uninit (AVCodecContext *avctx)
	Free decoder. More...

int	ff_vk_decode_init (AVCodecContext *avctx)
	Initialize decoder. More...

Variables
static const FFVulkanDecodeDescriptor *	dec_descs []

Function Documentation

◆ get_codecdesc()

static const FFVulkanDecodeDescriptor* get_codecdesc ( enum AVCodecID codec_id )

static

Definition at line 49 of file vulkan_decode.c.

Referenced by ff_vk_decode_init(), and vulkan_decode_get_profile().

◆ get_video_profile()

static const VkVideoProfileInfoKHR* get_video_profile	(	FFVulkanDecodeShared *	ctx,
		enum AVCodecID	codec_id
	)

static

Definition at line 58 of file vulkan_decode.c.

Referenced by ff_vk_decode_init(), and ff_vk_update_thread_context().

◆ ff_vk_update_thread_context()

int ff_vk_update_thread_context	(	AVCodecContext *	dst,
		const AVCodecContext *	src
	)

Synchronize the contexts between 2 threads.

Definition at line 80 of file vulkan_decode.c.

◆ ff_vk_params_invalidate()

int ff_vk_params_invalidate	(	AVCodecContext *	avctx,
		int	t,
		const uint8_t *	b,
		uint32_t	s
	)

Removes current session parameters to recreate them.

Definition at line 121 of file vulkan_decode.c.

◆ vk_decode_create_view()

static int vk_decode_create_view	(	FFVulkanDecodeContext *	dec,
		VkImageView *	dst_view,
		VkImageAspectFlags *	aspect,
		AVVkFrame *	src,
		VkFormat	vkf,
		int	is_current
	)

static

Definition at line 128 of file vulkan_decode.c.

Referenced by ff_vk_decode_init(), and ff_vk_decode_prepare_frame().

◆ vk_get_dpb_pool()

static AVFrame* vk_get_dpb_pool ( FFVulkanDecodeShared * ctx )

static

Definition at line 173 of file vulkan_decode.c.

Referenced by ff_vk_decode_init(), and ff_vk_decode_prepare_frame().

◆ ff_vk_decode_prepare_frame()

int ff_vk_decode_prepare_frame	(	FFVulkanDecodeContext *	dec,
		AVFrame *	pic,
		FFVulkanDecodePicture *	vkpic,
		int	is_current,
		int	alloc_dpb
	)

Prepare a frame, creates the image view, and sets up the dpb fields.

Definition at line 187 of file vulkan_decode.c.

Referenced by vk_av1_fill_pict(), vk_h264_fill_pict(), and vk_hevc_fill_pict().

◆ ff_vk_decode_add_slice()

int ff_vk_decode_add_slice	(	AVCodecContext *	avctx,
		FFVulkanDecodePicture *	vp,
		const uint8_t *	data,
		size_t	size,
		int	add_startcode,
		uint32_t *	nb_slices,
		const uint32_t **	offsets
	)

Add slice data to frame.

Definition at line 251 of file vulkan_decode.c.

Referenced by vk_av1_decode_slice(), vk_h264_decode_slice(), and vk_hevc_decode_slice().

◆ ff_vk_decode_flush()

void ff_vk_decode_flush ( AVCodecContext * avctx )

Flush decoder.

Definition at line 313 of file vulkan_decode.c.

Referenced by ff_vk_decode_init().

◆ ff_vk_decode_frame()

int ff_vk_decode_frame	(	AVCodecContext *	avctx,
		AVFrame *	pic,
		FFVulkanDecodePicture *	vp,
		AVFrame *	rpic[],
		FFVulkanDecodePicture *	rvkp[]
	)

Decode a frame.

Definition at line 343 of file vulkan_decode.c.

Referenced by vk_av1_end_frame(), vk_h264_end_frame(), and vk_hevc_end_frame().

◆ ff_vk_decode_free_frame()

void ff_vk_decode_free_frame	(	AVHWDeviceContext *	dev_ctx,
		FFVulkanDecodePicture *	vp
	)

Free a frame and its state.

Definition at line 573 of file vulkan_decode.c.

Referenced by vk_av1_free_frame_priv(), vk_h264_free_frame_priv(), and vk_hevc_free_frame_priv().

◆ free_common()

static void free_common	(	FFRefStructOpaque	unused,
		void *	obj
	)

static

Definition at line 604 of file vulkan_decode.c.

Referenced by vulkan_decode_bootstrap().

◆ vulkan_decode_bootstrap()

static int vulkan_decode_bootstrap	(	AVCodecContext *	avctx,
		AVBufferRef *	frames_ref
	)

static

Definition at line 633 of file vulkan_decode.c.

Referenced by ff_vk_frame_params().

◆ vulkan_setup_profile()

static VkResult vulkan_setup_profile	(	AVCodecContext *	avctx,
		FFVulkanDecodeProfileData *	prof,
		AVVulkanDeviceContext *	hwctx,
		FFVulkanFunctions *	vk,
		const FFVulkanDecodeDescriptor *	vk_desc,
		VkVideoDecodeH264CapabilitiesKHR *	h264_caps,
		VkVideoDecodeH265CapabilitiesKHR *	h265_caps,
		VkVideoDecodeAV1CapabilitiesKHR *	av1_caps,
		VkVideoCapabilitiesKHR *	caps,
		VkVideoDecodeCapabilitiesKHR *	dec_caps,
		int	cur_profile
	)

static

Definition at line 671 of file vulkan_decode.c.

Referenced by vulkan_decode_get_profile().

◆ vulkan_decode_get_profile()

static int vulkan_decode_get_profile	(	AVCodecContext *	avctx,
		AVBufferRef *	frames_ref,
		enum AVPixelFormat *	pix_fmt,
		VkFormat *	vk_fmt,
		FFVulkanDecodeProfileData *	prof,
		int *	dpb_dedicate
	)

static

Definition at line 746 of file vulkan_decode.c.

Referenced by ff_vk_frame_params().

◆ free_profile_data()

static void free_profile_data ( AVHWFramesContext * hwfc )

static

Definition at line 1002 of file vulkan_decode.c.

Referenced by ff_vk_frame_params().

◆ ff_vk_frame_params()

int ff_vk_frame_params	(	AVCodecContext *	avctx,
		AVBufferRef *	hw_frames_ctx
	)

Initialize hw_frames_ctx with the parameters needed to decode the stream using the parameters from avctx.

NOTE: if avctx->internal->hwaccel_priv_data exists, will partially initialize the context.

Definition at line 1007 of file vulkan_decode.c.

◆ vk_decode_free_params()

static void vk_decode_free_params	(	void *	opaque,
		uint8_t *	data
	)

static

Definition at line 1054 of file vulkan_decode.c.

Referenced by ff_vk_decode_create_params().

◆ ff_vk_decode_create_params()

int ff_vk_decode_create_params	(	AVBufferRef **	par_ref,
		void *	logctx,
		FFVulkanDecodeShared *	ctx,
		const VkVideoSessionParametersCreateInfoKHR *	session_params_create
	)

Create VkVideoSessionParametersKHR wrapped in an AVBufferRef.

Definition at line 1064 of file vulkan_decode.c.

Referenced by vk_av1_create_params(), vk_h264_create_params(), and vk_hevc_create_params().

◆ ff_vk_decode_uninit()

int ff_vk_decode_uninit ( AVCodecContext * avctx )

Free decoder.

Definition at line 1093 of file vulkan_decode.c.

Referenced by ff_vk_decode_init().

◆ ff_vk_decode_init()

int ff_vk_decode_init ( AVCodecContext * avctx )

Initialize decoder.

Definition at line 1108 of file vulkan_decode.c.

Variable Documentation

◆ dec_descs

const FFVulkanDecodeDescriptor* dec_descs[]

static

Initial value:

= {
 
}

Definition at line 37 of file vulkan_decode.c.

Referenced by get_codecdesc().

Functions

Variables

Function Documentation

◆ get_codecdesc()

◆ get_video_profile()

◆ ff_vk_update_thread_context()

◆ ff_vk_params_invalidate()

◆ vk_decode_create_view()

◆ vk_get_dpb_pool()

◆ ff_vk_decode_prepare_frame()

◆ ff_vk_decode_add_slice()

◆ ff_vk_decode_flush()

◆ ff_vk_decode_frame()

◆ ff_vk_decode_free_frame()

◆ free_common()

◆ vulkan_decode_bootstrap()

◆ vulkan_setup_profile()

◆ vulkan_decode_get_profile()

◆ free_profile_data()

◆ ff_vk_frame_params()

◆ vk_decode_free_params()

◆ ff_vk_decode_create_params()

◆ ff_vk_decode_uninit()

◆ ff_vk_decode_init()

Variable Documentation

◆ dec_descs