hwcontext_vulkan.c File Reference

#include <dlfcn.h>
#include <unistd.h>
#include "config.h"
#include "pixdesc.h"
#include "avstring.h"
#include "imgutils.h"
#include "hwcontext.h"
#include "avassert.h"
#include "hwcontext_internal.h"
#include "hwcontext_vulkan.h"
#include "vulkan.h"
#include "vulkan_loader.h"

Go to the source code of this file.

Data Structures
struct	VulkanQueueCtx
struct	VulkanExecCtx
struct	VulkanDevicePriv
struct	VulkanFramesPriv
struct	AVVkFrameInternal
struct	VulkanOptExtension
struct	VulkanDeviceSelection
struct	VulkanMapping
struct	ImageBuffer

Macros
#define	VK_NO_PROTOTYPES
#define	VK_ENABLE_BETA_EXTENSIONS
#define	ADD_VAL_TO_LIST(list, count, val)
#define	RELEASE_PROPS(props, count)
#define	CASE(VAL)   case VAL: return #VAL
#define	SETUP_QUEUE(qf_idx)
#define	COPY_FEATURE(DST, NAME)   (DST).features.NAME = dev_features.features.NAME;
#define	CHECK_QUEUE(type, required, fidx, ctx_qf, qc)

Enumerations
enum	PrepMode { PREP_MODE_WRITE, PREP_MODE_EXTERNAL_EXPORT, PREP_MODE_EXTERNAL_IMPORT }

Functions
const VkFormat *	av_vkfmt_from_pixfmt (enum AVPixelFormat p)
	Returns the format of each image up to the number of planes for a given sw_format. More...
static const void *	vk_find_struct (const void *chain, VkStructureType stype)
static void	vk_link_struct (void *chain, void *in)
static int	pixfmt_is_supported (AVHWDeviceContext *dev_ctx, enum AVPixelFormat p, int linear)
static int	load_libvulkan (AVHWDeviceContext *ctx)
static const char *	vk_ret2str (VkResult res)
static VkBool32	vk_dbg_callback (VkDebugUtilsMessageSeverityFlagBitsEXT severity, VkDebugUtilsMessageTypeFlagsEXT messageType, const VkDebugUtilsMessengerCallbackDataEXT *data, void *priv)
static int	check_extensions (AVHWDeviceContext *ctx, int dev, AVDictionary *opts, const char *const **dst, uint32_t *num, int debug)
static int	check_validation_layers (AVHWDeviceContext *ctx, AVDictionary *opts, const char *const **dst, uint32_t *num, int *debug_mode)
static int	create_instance (AVHWDeviceContext *ctx, AVDictionary *opts)
static const char *	vk_dev_type (enum VkPhysicalDeviceType type)
static int	find_device (AVHWDeviceContext *ctx, VulkanDeviceSelection *select)
static int	pick_queue_family (VkQueueFamilyProperties *qf, uint32_t num_qf, VkQueueFlagBits flags)
static int	setup_queue_families (AVHWDeviceContext *ctx, VkDeviceCreateInfo *cd)
static int	create_exec_ctx (AVHWFramesContext *hwfc, VulkanExecCtx *cmd, int queue_family_index, int num_queues)
static void	free_exec_ctx (AVHWFramesContext *hwfc, VulkanExecCtx *cmd)
static VkCommandBuffer	get_buf_exec_ctx (AVHWFramesContext *hwfc, VulkanExecCtx *cmd)
static void	unref_exec_ctx_deps (AVHWFramesContext *hwfc, VulkanExecCtx *cmd)
static int	wait_start_exec_ctx (AVHWFramesContext *hwfc, VulkanExecCtx *cmd)
static int	add_buf_dep_exec_ctx (AVHWFramesContext *hwfc, VulkanExecCtx *cmd, AVBufferRef *const *deps, int nb_deps)
static int	submit_exec_ctx (AVHWFramesContext *hwfc, VulkanExecCtx *cmd, VkSubmitInfo *s_info, AVVkFrame *f, int synchronous)
static void	vulkan_device_free (AVHWDeviceContext *ctx)
static int	vulkan_device_create_internal (AVHWDeviceContext *ctx, VulkanDeviceSelection *dev_select, AVDictionary *opts, int flags)
static int	vulkan_device_init (AVHWDeviceContext *ctx)
static int	vulkan_device_create (AVHWDeviceContext *ctx, const char *device, AVDictionary *opts, int flags)
static int	vulkan_device_derive (AVHWDeviceContext *ctx, AVHWDeviceContext *src_ctx, AVDictionary *opts, int flags)
static int	vulkan_frames_get_constraints (AVHWDeviceContext *ctx, const void *hwconfig, AVHWFramesConstraints *constraints)
static int	alloc_mem (AVHWDeviceContext *ctx, VkMemoryRequirements *req, VkMemoryPropertyFlagBits req_flags, const void *alloc_extension, VkMemoryPropertyFlagBits *mem_flags, VkDeviceMemory *mem)
static void	vulkan_free_internal (AVVkFrame *f)
static void	vulkan_frame_free (void *opaque, uint8_t *data)
static int	alloc_bind_mem (AVHWFramesContext *hwfc, AVVkFrame *f, void *alloc_pnext, size_t alloc_pnext_stride)
static int	prepare_frame (AVHWFramesContext *hwfc, VulkanExecCtx *ectx, AVVkFrame *frame, enum PrepMode pmode)
static void	get_plane_wh (int *w, int *h, enum AVPixelFormat format, int frame_w, int frame_h, int plane)
static int	create_frame (AVHWFramesContext *hwfc, AVVkFrame **frame, VkImageTiling tiling, VkImageUsageFlagBits usage, void *create_pnext)
static void	try_export_flags (AVHWFramesContext *hwfc, VkExternalMemoryHandleTypeFlags *comp_handle_types, VkExternalMemoryHandleTypeFlagBits *iexp, VkExternalMemoryHandleTypeFlagBits exp)
static AVBufferRef *	vulkan_pool_alloc (void *opaque, size_t size)
static void	vulkan_frames_uninit (AVHWFramesContext *hwfc)
static int	vulkan_frames_init (AVHWFramesContext *hwfc)
static int	vulkan_get_buffer (AVHWFramesContext *hwfc, AVFrame *frame)
static int	vulkan_transfer_get_formats (AVHWFramesContext *hwfc, enum AVHWFrameTransferDirection dir, enum AVPixelFormat **formats)
static void	vulkan_unmap_frame (AVHWFramesContext *hwfc, HWMapDescriptor *hwmap)
static int	vulkan_map_frame_to_mem (AVHWFramesContext *hwfc, AVFrame *dst, const AVFrame *src, int flags)
static int	vulkan_map_to (AVHWFramesContext *hwfc, AVFrame *dst, const AVFrame *src, int flags)
static int	vulkan_map_from (AVHWFramesContext *hwfc, AVFrame *dst, const AVFrame *src, int flags)
static void	free_buf (void *opaque, uint8_t *data)
static size_t	get_req_buffer_size (VulkanDevicePriv *p, int *stride, int height)
static int	create_buf (AVHWDeviceContext *ctx, AVBufferRef **buf, VkBufferUsageFlags usage, VkMemoryPropertyFlagBits flags, size_t size, uint32_t req_memory_bits, int host_mapped, void *create_pnext, void *alloc_pnext)
static int	map_buffers (AVHWDeviceContext *ctx, AVBufferRef **bufs, uint8_t *mem[], int nb_buffers, int invalidate)
static int	unmap_buffers (AVHWDeviceContext *ctx, AVBufferRef **bufs, int nb_buffers, int flush)
static int	transfer_image_buf (AVHWFramesContext *hwfc, const AVFrame *f, AVBufferRef **bufs, size_t *buf_offsets, const int *buf_stride, int w, int h, enum AVPixelFormat pix_fmt, int to_buf)
static int	vulkan_transfer_data (AVHWFramesContext *hwfc, const AVFrame *vkf, const AVFrame *swf, int from)
static int	vulkan_transfer_data_to (AVHWFramesContext *hwfc, AVFrame *dst, const AVFrame *src)
static int	vulkan_transfer_data_from (AVHWFramesContext *hwfc, AVFrame *dst, const AVFrame *src)
static int	vulkan_frames_derive_to (AVHWFramesContext *dst_fc, AVHWFramesContext *src_fc, int flags)
AVVkFrame *	av_vk_frame_alloc (void)
	Allocates a single AVVkFrame and initializes everything as 0. More...

Variables
struct {
enum AVPixelFormat   pixfmt
const VkFormat   vkfmts [4]
}	vk_pixfmt_map []
static const VulkanOptExtension	optional_instance_exts []
static const VulkanOptExtension	optional_device_exts []
const HWContextType	ff_hwcontext_type_vulkan

Macro Definition Documentation

VK_NO_PROTOTYPES

#define VK_NO_PROTOTYPES

Definition at line 19 of file hwcontext_vulkan.c.

VK_ENABLE_BETA_EXTENSIONS

#define VK_ENABLE_BETA_EXTENSIONS

Definition at line 20 of file hwcontext_vulkan.c.

ADD_VAL_TO_LIST

#define ADD_VAL_TO_LIST	(		list,
			count,
			val
	)

Value:

    do {                                                                       \
        list = av_realloc_array(list, sizeof(*list), ++count);                 \
        if (!list) {                                                           \
            err = AVERROR(ENOMEM);                                             \
            goto fail;                                                         \
        }                                                                      \
        list[count - 1] = av_strdup(val);                                      \
        if (!list[count - 1]) {                                                \
            err = AVERROR(ENOMEM);                                             \
            goto fail;                                                         \
        }                                                                      \
    } while(0)

Definition at line 144 of file hwcontext_vulkan.c.

RELEASE_PROPS

#define RELEASE_PROPS	(		props,
			count
	)

Value:

    if (props) {                                                               \
        for (int i = 0; i < count; i++)                                        \
            av_free((void *)((props)[i]));                                     \
        av_free((void *)props);                                                \
    }

Definition at line 158 of file hwcontext_vulkan.c.

CASE

#define CASE

(

VAL

)

case VAL: return #VAL

SETUP_QUEUE

#define SETUP_QUEUE

(

qf_idx

)

COPY_FEATURE

#define COPY_FEATURE	(		DST,
			NAME
	)		(DST).features.NAME = dev_features.features.NAME;

CHECK_QUEUE

#define CHECK_QUEUE	(		type,
			required,
			fidx,
			ctx_qf,
			qc
	)

Value:

    do {                                                                                        \
        if (ctx_qf < 0 && required) {                                                           \
            av_log(ctx, AV_LOG_ERROR, "%s queue family is required, but marked as missing"      \
                   " in the context!\n", type);                                                 \
            return AVERROR(EINVAL);                                                             \
        } else if (fidx < 0 || ctx_qf < 0) {                                                    \
            break;                                                                              \
        } else if (ctx_qf >= queue_num) {                                                       \
            av_log(ctx, AV_LOG_ERROR, "Invalid %s family index %i (device has %i families)!\n", \
                   type, ctx_qf, queue_num);                                                    \
            return AVERROR(EINVAL);                                                             \
        }                                                                                       \
                                                                                                \
        av_log(ctx, AV_LOG_VERBOSE, "Using queue family %i (queues: %i)"                        \
               " for%s%s%s%s%s\n",                                                              \
               ctx_qf, qc,                                                                      \
               ctx_qf == graph_index ? " graphics" : "",                                        \
               ctx_qf == comp_index  ? " compute" : "",                                         \
               ctx_qf == tx_index    ? " transfers" : "",                                       \
               ctx_qf == enc_index   ? " encode" : "",                                          \
               ctx_qf == dec_index   ? " decode" : "");                                         \
        graph_index = (ctx_qf == graph_index) ? -1 : graph_index;                               \
        comp_index  = (ctx_qf == comp_index)  ? -1 : comp_index;                                \
        tx_index    = (ctx_qf == tx_index)    ? -1 : tx_index;                                  \
        enc_index   = (ctx_qf == enc_index)   ? -1 : enc_index;                                 \
        dec_index   = (ctx_qf == dec_index)   ? -1 : dec_index;                                 \
        p->qfs[p->num_qfs++] = ctx_qf;                                                          \
    } while (0)

Enumeration Type Documentation

PrepMode

enum PrepMode

Enumerator
PREP_MODE_WRITE
PREP_MODE_EXTERNAL_EXPORT
PREP_MODE_EXTERNAL_IMPORT

Definition at line 1907 of file hwcontext_vulkan.c.

Function Documentation

av_vkfmt_from_pixfmt()

const VkFormat* av_vkfmt_from_pixfmt

(

enum AVPixelFormat

p

)

Returns the format of each image up to the number of planes for a given sw_format.

Returns NULL on unsupported formats.

Definition at line 238 of file hwcontext_vulkan.c.

Referenced by create_frame(), pixfmt_is_supported(), try_export_flags(), and vulkan_frames_init().

vk_find_struct()

static const void* vk_find_struct ( const void *  chain, VkStructureType  stype  )

static

Definition at line 246 of file hwcontext_vulkan.c.

Referenced by try_export_flags(), and vulkan_frames_init().

vk_link_struct()

static void vk_link_struct ( void *  chain, void *  in  )

static

Definition at line 259 of file hwcontext_vulkan.c.

Referenced by vulkan_frames_init().

pixfmt_is_supported()

static int pixfmt_is_supported ( AVHWDeviceContext *  dev_ctx, enum AVPixelFormat  p, int  linear  )

static

Definition at line 271 of file hwcontext_vulkan.c.

Referenced by vulkan_frames_get_constraints().

load_libvulkan()

static int load_libvulkan ( AVHWDeviceContext *  ctx )

static

Definition at line 298 of file hwcontext_vulkan.c.

Referenced by create_instance().

vk_ret2str()

static const char* vk_ret2str ( VkResult  res )

static

Definition at line 368 of file hwcontext_vulkan.c.

Referenced by alloc_bind_mem(), alloc_mem(), create_buf(), create_exec_ctx(), create_frame(), create_instance(), find_device(), map_buffers(), submit_exec_ctx(), unmap_buffers(), vulkan_device_create_internal(), vulkan_map_frame_to_mem(), vulkan_unmap_frame(), and wait_start_exec_ctx().

vk_dbg_callback()

static VkBool32 vk_dbg_callback ( VkDebugUtilsMessageSeverityFlagBitsEXT  severity, VkDebugUtilsMessageTypeFlagsEXT  messageType, const VkDebugUtilsMessengerCallbackDataEXT *  data, void *  priv  )

static

Definition at line 408 of file hwcontext_vulkan.c.

Referenced by create_instance().

check_extensions()

static int check_extensions ( AVHWDeviceContext *  ctx, int  dev, AVDictionary *  opts, const char *const **  dst, uint32_t *  num, int  debug  )

static

Definition at line 431 of file hwcontext_vulkan.c.

Referenced by create_instance(), and vulkan_device_create_internal().

check_validation_layers()

static int check_validation_layers ( AVHWDeviceContext *  ctx, AVDictionary *  opts, const char *const **  dst, uint32_t *  num, int *  debug_mode  )

static

Definition at line 560 of file hwcontext_vulkan.c.

Referenced by create_instance().

create_instance()

static int create_instance ( AVHWDeviceContext *  ctx, AVDictionary *  opts  )

static

Definition at line 670 of file hwcontext_vulkan.c.

Referenced by vulkan_device_create_internal().

vk_dev_type()

static const char* vk_dev_type ( enum VkPhysicalDeviceType  type )

static

Definition at line 766 of file hwcontext_vulkan.c.

Referenced by find_device().

find_device()

static int find_device ( AVHWDeviceContext *  ctx, VulkanDeviceSelection *  select  )

static

Definition at line 778 of file hwcontext_vulkan.c.

Referenced by vulkan_device_create_internal().

pick_queue_family()

static int pick_queue_family ( VkQueueFamilyProperties *  qf, uint32_t  num_qf, VkQueueFlagBits  flags  )

inlinestatic

Definition at line 907 of file hwcontext_vulkan.c.

Referenced by setup_queue_families().

setup_queue_families()

static int setup_queue_families ( AVHWDeviceContext *  ctx, VkDeviceCreateInfo *  cd  )

static

Definition at line 930 of file hwcontext_vulkan.c.

Referenced by vulkan_device_create_internal().

create_exec_ctx()

static int create_exec_ctx ( AVHWFramesContext *  hwfc, VulkanExecCtx *  cmd, int  queue_family_index, int  num_queues  )

static

Definition at line 1064 of file hwcontext_vulkan.c.

Referenced by ff_vk_create_exec_ctx(), and vulkan_frames_init().

free_exec_ctx()

static void free_exec_ctx ( AVHWFramesContext *  hwfc, VulkanExecCtx *  cmd  )

static

Definition at line 1122 of file hwcontext_vulkan.c.

Referenced by vulkan_frames_uninit().

get_buf_exec_ctx()

static VkCommandBuffer get_buf_exec_ctx ( AVHWFramesContext *  hwfc, VulkanExecCtx *  cmd  )

static

Definition at line 1159 of file hwcontext_vulkan.c.

Referenced by prepare_frame(), and transfer_image_buf().

unref_exec_ctx_deps()

static void unref_exec_ctx_deps ( AVHWFramesContext *  hwfc, VulkanExecCtx *  cmd  )

static

Definition at line 1164 of file hwcontext_vulkan.c.

Referenced by add_buf_dep_exec_ctx(), submit_exec_ctx(), and wait_start_exec_ctx().

wait_start_exec_ctx()

static int wait_start_exec_ctx ( AVHWFramesContext *  hwfc, VulkanExecCtx *  cmd  )

static

Definition at line 1173 of file hwcontext_vulkan.c.

Referenced by prepare_frame(), and transfer_image_buf().

add_buf_dep_exec_ctx()

static int add_buf_dep_exec_ctx ( AVHWFramesContext *  hwfc, VulkanExecCtx *  cmd, AVBufferRef *const *  deps, int  nb_deps  )

static

Definition at line 1216 of file hwcontext_vulkan.c.

Referenced by transfer_image_buf().

submit_exec_ctx()

static int submit_exec_ctx ( AVHWFramesContext *  hwfc, VulkanExecCtx *  cmd, VkSubmitInfo *  s_info, AVVkFrame *  f, int  synchronous  )

static

Definition at line 1246 of file hwcontext_vulkan.c.

Referenced by prepare_frame(), and transfer_image_buf().

vulkan_device_free()

static void vulkan_device_free ( AVHWDeviceContext *  ctx )

static

Definition at line 1291 of file hwcontext_vulkan.c.

Referenced by vulkan_device_create_internal().

vulkan_device_create_internal()

static int vulkan_device_create_internal ( AVHWDeviceContext *  ctx, VulkanDeviceSelection *  dev_select, AVDictionary *  opts, int  flags  )

static

Definition at line 1314 of file hwcontext_vulkan.c.

Referenced by vulkan_device_create(), and vulkan_device_derive().

vulkan_device_init()

static int vulkan_device_init ( AVHWDeviceContext *  ctx )

static

Definition at line 1433 of file hwcontext_vulkan.c.

vulkan_device_create()

static int vulkan_device_create ( AVHWDeviceContext *  ctx, const char *  device, AVDictionary *  opts, int  flags  )

static

Definition at line 1534 of file hwcontext_vulkan.c.

vulkan_device_derive()

static int vulkan_device_derive ( AVHWDeviceContext *  ctx, AVHWDeviceContext *  src_ctx, AVDictionary *  opts, int  flags  )

static

Definition at line 1550 of file hwcontext_vulkan.c.

vulkan_frames_get_constraints()

static int vulkan_frames_get_constraints ( AVHWDeviceContext *  ctx, const void *  hwconfig, AVHWFramesConstraints *  constraints  )

static

Definition at line 1621 of file hwcontext_vulkan.c.

alloc_mem()

static int alloc_mem ( AVHWDeviceContext *  ctx, VkMemoryRequirements *  req, VkMemoryPropertyFlagBits  req_flags, const void *  alloc_extension, VkMemoryPropertyFlagBits *  mem_flags, VkDeviceMemory *  mem  )

static

Definition at line 1667 of file hwcontext_vulkan.c.

Referenced by alloc_bind_mem(), and create_buf().

vulkan_free_internal()

static void vulkan_free_internal ( AVVkFrame *  f )

static

Definition at line 1725 of file hwcontext_vulkan.c.

Referenced by vulkan_frame_free().

vulkan_frame_free()

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

static

Definition at line 1763 of file hwcontext_vulkan.c.

Referenced by create_frame(), vulkan_frames_init(), and vulkan_pool_alloc().

alloc_bind_mem()

static int alloc_bind_mem ( AVHWFramesContext *  hwfc, AVVkFrame *  f, void *  alloc_pnext, size_t  alloc_pnext_stride  )

static

Definition at line 1787 of file hwcontext_vulkan.c.

Referenced by vulkan_pool_alloc().

prepare_frame()

static int prepare_frame ( AVHWFramesContext *  hwfc, VulkanExecCtx *  ectx, AVVkFrame *  frame, enum PrepMode  pmode  )

static

Definition at line 1913 of file hwcontext_vulkan.c.

Referenced by vulkan_pool_alloc().

get_plane_wh()

static void get_plane_wh ( int *  w, int *  h, enum AVPixelFormat  format, int  frame_w, int  frame_h, int  plane  )

inlinestatic

Definition at line 2008 of file hwcontext_vulkan.c.

Referenced by create_frame(), and transfer_image_buf().

create_frame()

static int create_frame ( AVHWFramesContext *  hwfc, AVVkFrame **  frame, VkImageTiling  tiling, VkImageUsageFlagBits  usage, void *  create_pnext  )

static

Definition at line 2025 of file hwcontext_vulkan.c.

Referenced by vulkan_frames_init(), and vulkan_pool_alloc().

try_export_flags()

static void try_export_flags ( AVHWFramesContext *  hwfc, VkExternalMemoryHandleTypeFlags *  comp_handle_types, VkExternalMemoryHandleTypeFlagBits *  iexp, VkExternalMemoryHandleTypeFlagBits  exp  )

static

Definition at line 2131 of file hwcontext_vulkan.c.

Referenced by vulkan_pool_alloc().

vulkan_pool_alloc()

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

static

Definition at line 2193 of file hwcontext_vulkan.c.

Referenced by vulkan_frames_init().

vulkan_frames_uninit()

static void vulkan_frames_uninit ( AVHWFramesContext *  hwfc )

static

Definition at line 2256 of file hwcontext_vulkan.c.

vulkan_frames_init()

static int vulkan_frames_init ( AVHWFramesContext *  hwfc )

static

Definition at line 2271 of file hwcontext_vulkan.c.

Referenced by vulkan_frames_derive_to().

vulkan_get_buffer()

static int vulkan_get_buffer ( AVHWFramesContext *  hwfc, AVFrame *  frame  )

static

Definition at line 2421 of file hwcontext_vulkan.c.

vulkan_transfer_get_formats()

static int vulkan_transfer_get_formats ( AVHWFramesContext *  hwfc, enum AVHWFrameTransferDirection  dir, enum AVPixelFormat **  formats  )

static

Definition at line 2435 of file hwcontext_vulkan.c.

vulkan_unmap_frame()

static void vulkan_unmap_frame ( AVHWFramesContext *  hwfc, HWMapDescriptor *  hwmap  )

static

Definition at line 2455 of file hwcontext_vulkan.c.

Referenced by vulkan_map_frame_to_mem().

vulkan_map_frame_to_mem()

static int vulkan_map_frame_to_mem ( AVHWFramesContext *  hwfc, AVFrame *  dst, const AVFrame *  src, int  flags  )

static

Definition at line 2489 of file hwcontext_vulkan.c.

Referenced by vulkan_map_from().

vulkan_map_to()

static int vulkan_map_to ( AVHWFramesContext *  hwfc, AVFrame *  dst, const AVFrame *  src, int  flags  )

static

Definition at line 3252 of file hwcontext_vulkan.c.

vulkan_map_from()

static int vulkan_map_from ( AVHWFramesContext *  hwfc, AVFrame *  dst, const AVFrame *  src, int  flags  )

static

Definition at line 3439 of file hwcontext_vulkan.c.

free_buf()

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

static

Definition at line 3471 of file hwcontext_vulkan.c.

Referenced by create_buf().

get_req_buffer_size()

static size_t get_req_buffer_size ( VulkanDevicePriv *  p, int *  stride, int  height  )

static

Definition at line 3487 of file hwcontext_vulkan.c.

create_buf()

static int create_buf ( AVHWDeviceContext *  ctx, AVBufferRef **  buf, VkBufferUsageFlags  usage, VkMemoryPropertyFlagBits  flags, size_t  size, uint32_t  req_memory_bits, int  host_mapped, void *  create_pnext, void *  alloc_pnext  )

static

Definition at line 3496 of file hwcontext_vulkan.c.

map_buffers()

static int map_buffers ( AVHWDeviceContext *  ctx, AVBufferRef **  bufs, uint8_t *  mem[], int  nb_buffers, int  invalidate  )

static

Definition at line 3587 of file hwcontext_vulkan.c.

unmap_buffers()

static int unmap_buffers ( AVHWDeviceContext *  ctx, AVBufferRef **  bufs, int  nb_buffers, int  flush  )

static

Definition at line 3645 of file hwcontext_vulkan.c.

transfer_image_buf()

static int transfer_image_buf ( AVHWFramesContext *  hwfc, const AVFrame *  f, AVBufferRef **  bufs, size_t *  buf_offsets, const int *  buf_stride, int  w, int  h, enum AVPixelFormat  pix_fmt, int  to_buf  )

static

Definition at line 3692 of file hwcontext_vulkan.c.

vulkan_transfer_data()

static int vulkan_transfer_data ( AVHWFramesContext *  hwfc, const AVFrame *  vkf, const AVFrame *  swf, int  from  )

static

Definition at line 3822 of file hwcontext_vulkan.c.

Referenced by vulkan_transfer_data_from(), and vulkan_transfer_data_to().

vulkan_transfer_data_to()

static int vulkan_transfer_data_to ( AVHWFramesContext *  hwfc, AVFrame *  dst, const AVFrame *  src  )

static

Definition at line 3979 of file hwcontext_vulkan.c.

vulkan_transfer_data_from()

static int vulkan_transfer_data_from ( AVHWFramesContext *  hwfc, AVFrame *  dst, const AVFrame *  src  )

static

Definition at line 4097 of file hwcontext_vulkan.c.

vulkan_frames_derive_to()

static int vulkan_frames_derive_to ( AVHWFramesContext *  dst_fc, AVHWFramesContext *  src_fc, int  flags  )

static

Definition at line 4122 of file hwcontext_vulkan.c.

av_vk_frame_alloc()

AVVkFrame* av_vk_frame_alloc

(

void

)

Allocates a single AVVkFrame and initializes everything as 0.

Note

Must be freed via av_free()

Definition at line 4128 of file hwcontext_vulkan.c.

Referenced by create_frame().

Variable Documentation

pixfmt

enum AVPixelFormat pixfmt

Definition at line 166 of file hwcontext_vulkan.c.

Referenced by av_vkfmt_from_pixfmt().

vkfmts

const VkFormat vkfmts[4]

Definition at line 167 of file hwcontext_vulkan.c.

vk_pixfmt_map

const { ... } vk_pixfmt_map[]

Referenced by av_vkfmt_from_pixfmt().

optional_instance_exts

const VulkanOptExtension optional_instance_exts[]

static

Initial value:

= {
    
}

Definition at line 337 of file hwcontext_vulkan.c.

Referenced by check_extensions().

optional_device_exts

const VulkanOptExtension optional_device_exts[]

static

Initial value:

= {
    
    { VK_KHR_PUSH_DESCRIPTOR_EXTENSION_NAME,                  FF_VK_EXT_NO_FLAG                },
    { VK_KHR_SAMPLER_YCBCR_CONVERSION_EXTENSION_NAME,         FF_VK_EXT_NO_FLAG                },
    { VK_KHR_SYNCHRONIZATION_2_EXTENSION_NAME,                FF_VK_EXT_NO_FLAG                },
 
    
    { VK_KHR_EXTERNAL_MEMORY_FD_EXTENSION_NAME,               FF_VK_EXT_EXTERNAL_FD_MEMORY     },
    { VK_EXT_EXTERNAL_MEMORY_DMA_BUF_EXTENSION_NAME,          FF_VK_EXT_EXTERNAL_DMABUF_MEMORY },
    { VK_EXT_IMAGE_DRM_FORMAT_MODIFIER_EXTENSION_NAME,        FF_VK_EXT_DRM_MODIFIER_FLAGS     },
    { VK_KHR_EXTERNAL_SEMAPHORE_FD_EXTENSION_NAME,            FF_VK_EXT_EXTERNAL_FD_SEM        },
    { VK_EXT_EXTERNAL_MEMORY_HOST_EXTENSION_NAME,             FF_VK_EXT_EXTERNAL_HOST_MEMORY   },
 
 
 
 
 
    
    { VK_KHR_VIDEO_QUEUE_EXTENSION_NAME,                      FF_VK_EXT_NO_FLAG                },
    { VK_KHR_VIDEO_DECODE_QUEUE_EXTENSION_NAME,               FF_VK_EXT_NO_FLAG                },
    { VK_KHR_VIDEO_ENCODE_QUEUE_EXTENSION_NAME,               FF_VK_EXT_NO_FLAG                },
    { VK_EXT_VIDEO_ENCODE_H264_EXTENSION_NAME,                FF_VK_EXT_NO_FLAG                },
    { VK_EXT_VIDEO_DECODE_H264_EXTENSION_NAME,                FF_VK_EXT_NO_FLAG                },
    { VK_EXT_VIDEO_DECODE_H265_EXTENSION_NAME,                FF_VK_EXT_NO_FLAG                },
}

Definition at line 341 of file hwcontext_vulkan.c.

Referenced by check_extensions(), and vulkan_device_init().

ff_hwcontext_type_vulkan

const HWContextType ff_hwcontext_type_vulkan

Definition at line 4133 of file hwcontext_vulkan.c.