FFmpeg: libavcodec/vulkan_video.c File Reference

FFmpeg

libavcodec

#include "libavutil/mem.h"
#include "vulkan_video.h"

Go to the source code of this file.

Data Structures
struct	FFVkFormatMapEntry

Macros
#define	ASPECT_2PLANE (VK_IMAGE_ASPECT_PLANE_0_BIT \| VK_IMAGE_ASPECT_PLANE_1_BIT)

#define	ASPECT_3PLANE (VK_IMAGE_ASPECT_PLANE_0_BIT \| VK_IMAGE_ASPECT_PLANE_1_BIT \| VK_IMAGE_ASPECT_PLANE_2_BIT)

Functions
enum AVPixelFormat	ff_vk_pix_fmt_from_vkfmt (VkFormat vkf)
	Get pixfmt from a Vulkan format. More...

VkImageAspectFlags	ff_vk_aspect_bits_from_vkfmt (VkFormat vkf)
	Get aspect bits which include all planes from a VkFormat. More...

VkVideoChromaSubsamplingFlagBitsKHR	ff_vk_subsampling_from_av_desc (const AVPixFmtDescriptor *desc)
	Get Vulkan's chroma subsampling from a pixfmt descriptor. More...

VkVideoComponentBitDepthFlagBitsKHR	ff_vk_depth_from_av_depth (int depth)
	Get Vulkan's bit depth from an [8:12] integer. More...

int	ff_vk_h264_level_to_av (StdVideoH264LevelIdc level)
	Convert level from Vulkan to AV. More...

int	ff_vk_h265_level_to_av (StdVideoH265LevelIdc level)

static void	free_data_buf (void opaque, uint8_t data)

static AVBufferRef *	alloc_data_buf (void *opaque, size_t size)

int	ff_vk_video_get_buffer (FFVulkanContext ctx, FFVkVideoCommon s, AVBufferRef *buf, VkBufferUsageFlags usage, void create_pNext, size_t size)
	Get a mapped FFVkPooledBuffer with a specific guaranteed minimum size from a pool. More...

av_cold void	ff_vk_video_common_uninit (FFVulkanContext s, FFVkVideoCommon common)
	Free video session and required resources. More...

av_cold int	ff_vk_video_common_init (void log, FFVulkanContext s, FFVkVideoCommon common, VkVideoSessionCreateInfoKHR session_create)
	Initialize video session, allocating and binding necessary memory. More...

Variables
static const struct FFVkFormatMapEntry	vk_format_map []

static const int	nb_vk_format_map = FF_ARRAY_ELEMS(vk_format_map)

Macro Definition Documentation

◆ ASPECT_2PLANE

#define ASPECT_2PLANE (VK_IMAGE_ASPECT_PLANE_0_BIT | VK_IMAGE_ASPECT_PLANE_1_BIT)

Definition at line 22 of file vulkan_video.c.

◆ ASPECT_3PLANE

#define ASPECT_3PLANE (VK_IMAGE_ASPECT_PLANE_0_BIT | VK_IMAGE_ASPECT_PLANE_1_BIT | VK_IMAGE_ASPECT_PLANE_2_BIT)

Definition at line 23 of file vulkan_video.c.

Function Documentation

◆ ff_vk_pix_fmt_from_vkfmt()

enum AVPixelFormat ff_vk_pix_fmt_from_vkfmt ( VkFormat vkf )

Get pixfmt from a Vulkan format.

Definition at line 95 of file vulkan_video.c.

Referenced by vulkan_decode_get_profile().

◆ ff_vk_aspect_bits_from_vkfmt()

VkImageAspectFlags ff_vk_aspect_bits_from_vkfmt ( VkFormat vkf )

Get aspect bits which include all planes from a VkFormat.

Definition at line 103 of file vulkan_video.c.

Referenced by vk_decode_create_view().

◆ ff_vk_subsampling_from_av_desc()

VkVideoChromaSubsamplingFlagBitsKHR ff_vk_subsampling_from_av_desc ( const AVPixFmtDescriptor * desc )

Get Vulkan's chroma subsampling from a pixfmt descriptor.

Definition at line 111 of file vulkan_video.c.

Referenced by vulkan_setup_profile().

◆ ff_vk_depth_from_av_depth()

VkVideoComponentBitDepthFlagBitsKHR ff_vk_depth_from_av_depth ( int depth )

Get Vulkan's bit depth from an [8:12] integer.

Definition at line 124 of file vulkan_video.c.

Referenced by vulkan_setup_profile().

◆ ff_vk_h264_level_to_av()

int ff_vk_h264_level_to_av ( StdVideoH264LevelIdc level )

Convert level from Vulkan to AV.

Definition at line 135 of file vulkan_video.c.

Referenced by vulkan_decode_get_profile().

◆ ff_vk_h265_level_to_av()

int ff_vk_h265_level_to_av ( StdVideoH265LevelIdc level )

Definition at line 161 of file vulkan_video.c.

Referenced by vulkan_decode_get_profile().

◆ free_data_buf()

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

static

Definition at line 180 of file vulkan_video.c.

Referenced by alloc_data_buf().

◆ alloc_data_buf()

static AVBufferRef* alloc_data_buf	(	void *	opaque,
		size_t	size
	)

static

Definition at line 189 of file vulkan_video.c.

Referenced by ff_vk_video_get_buffer().

◆ ff_vk_video_get_buffer()

int ff_vk_video_get_buffer	(	FFVulkanContext *	ctx,
		FFVkVideoCommon *	s,
		AVBufferRef **	buf,
		VkBufferUsageFlags	usage,
		void *	create_pNext,
		size_t	size
	)

Get a mapped FFVkPooledBuffer with a specific guaranteed minimum size from a pool.

Definition at line 202 of file vulkan_video.c.

Referenced by ff_vk_decode_add_slice().

◆ ff_vk_video_common_uninit()

av_cold void ff_vk_video_common_uninit	(	FFVulkanContext *	s,
		FFVkVideoCommon *	common
	)

Free video session and required resources.

Definition at line 260 of file vulkan_video.c.

Referenced by ff_vk_video_common_init(), and free_common().

◆ ff_vk_video_common_init()

av_cold int ff_vk_video_common_init	(	void *	log,
		FFVulkanContext *	s,
		FFVkVideoCommon *	common,
		VkVideoSessionCreateInfoKHR *	session_create
	)

Initialize video session, allocating and binding necessary memory.

Definition at line 280 of file vulkan_video.c.

Referenced by ff_vk_decode_init().

Variable Documentation

◆ vk_format_map

const struct FFVkFormatMapEntry vk_format_map[]

static

Referenced by ff_vk_aspect_bits_from_vkfmt(), and ff_vk_pix_fmt_from_vkfmt().

◆ nb_vk_format_map

const int nb_vk_format_map = FF_ARRAY_ELEMS(vk_format_map)

static

Definition at line 93 of file vulkan_video.c.

Referenced by ff_vk_aspect_bits_from_vkfmt(), and ff_vk_pix_fmt_from_vkfmt().