vulkan_h264.c File Reference

#include "libavutil/mem.h"
#include "h264dec.h"
#include "h264_ps.h"
#include "vulkan_decode.h"

Go to the source code of this file.

Data Structures
struct	H264VulkanDecodePicture
struct	VulkanH264Params

Functions
static int	vk_h264_fill_pict (AVCodecContext *avctx, H264Picture **ref_src, VkVideoReferenceSlotInfoKHR *ref_slot, VkVideoPictureResourceInfoKHR *ref, VkVideoDecodeH264DpbSlotInfoKHR *vkh264_ref, StdVideoDecodeH264ReferenceInfo *h264_ref, H264Picture *pic, int is_current, int is_field, int picture_structure, int dpb_slot_index)
static StdVideoH264LevelIdc	convert_to_vk_level_idc (int level_idc)
static void	set_sps (const SPS *sps, StdVideoH264ScalingLists *vksps_scaling, StdVideoH264HrdParameters *vksps_vui_header, StdVideoH264SequenceParameterSetVui *vksps_vui, StdVideoH264SequenceParameterSet *vksps)
static void	set_pps (const PPS *pps, const SPS *sps, StdVideoH264ScalingLists *vkpps_scaling, StdVideoH264PictureParameterSet *vkpps)
static int	vk_h264_create_params (AVCodecContext *avctx, VkVideoSessionParametersKHR **buf)
static int	vk_h264_start_frame (AVCodecContext *avctx, av_unused const AVBufferRef *buffer_ref, av_unused const uint8_t *buffer, av_unused uint32_t size)
static int	vk_h264_decode_slice (AVCodecContext *avctx, const uint8_t *data, uint32_t size)
static int	vk_h264_end_frame (AVCodecContext *avctx)
static void	vk_h264_free_frame_priv (AVRefStructOpaque _hwctx, void *data)

Variables
const FFVulkanDecodeDescriptor	ff_vk_dec_h264_desc
static const int	h264_scaling_list8_order [] = { 0, 3, 1, 4, 2, 5 }
const FFHWAccel	ff_h264_vulkan_hwaccel

Function Documentation

vk_h264_fill_pict()

static int vk_h264_fill_pict ( AVCodecContext * avctx, H264Picture ** ref_src, VkVideoReferenceSlotInfoKHR * ref_slot, VkVideoPictureResourceInfoKHR * ref, VkVideoDecodeH264DpbSlotInfoKHR * vkh264_ref, StdVideoDecodeH264ReferenceInfo * h264_ref, H264Picture * pic, int is_current, int is_field, int picture_structure, int dpb_slot_index )

static

Definition at line 56 of file vulkan_h264.c.

Referenced by vk_h264_start_frame().

convert_to_vk_level_idc()

static StdVideoH264LevelIdc convert_to_vk_level_idc ( int level_idc )

static

Definition at line 119 of file vulkan_h264.c.

Referenced by set_sps().

set_sps()

static void set_sps ( const SPS * sps, StdVideoH264ScalingLists * vksps_scaling, StdVideoH264HrdParameters * vksps_vui_header, StdVideoH264SequenceParameterSetVui * vksps_vui, StdVideoH264SequenceParameterSet * vksps )

static

Definition at line 145 of file vulkan_h264.c.

Referenced by vk_h264_create_params(), and vk_h264_end_frame().

set_pps()

static void set_pps ( const PPS * pps, const SPS * sps, StdVideoH264ScalingLists * vkpps_scaling, StdVideoH264PictureParameterSet * vkpps )

static

Definition at line 253 of file vulkan_h264.c.

Referenced by vk_h264_create_params(), and vk_h264_end_frame().

vk_h264_create_params()

static int vk_h264_create_params ( AVCodecContext * avctx, VkVideoSessionParametersKHR ** buf )

static

Definition at line 308 of file vulkan_h264.c.

Referenced by vk_h264_end_frame().

vk_h264_start_frame()

static int vk_h264_start_frame ( AVCodecContext * avctx, av_unused const AVBufferRef * buffer_ref, av_unused const uint8_t * buffer, av_unused uint32_t size )

static

Definition at line 372 of file vulkan_h264.c.

vk_h264_decode_slice()

static int vk_h264_decode_slice ( AVCodecContext * avctx, const uint8_t * data, uint32_t size )

static

Definition at line 487 of file vulkan_h264.c.

vk_h264_end_frame()

static int vk_h264_end_frame ( AVCodecContext * avctx )

static

Definition at line 512 of file vulkan_h264.c.

vk_h264_free_frame_priv()

static void vk_h264_free_frame_priv ( AVRefStructOpaque _hwctx, void * data )

static

Definition at line 576 of file vulkan_h264.c.

Variable Documentation

ff_vk_dec_h264_desc

const FFVulkanDecodeDescriptor ff_vk_dec_h264_desc

Initial value:

= {
    .codec_id         = AV_CODEC_ID_H264,
    .decode_extension = FF_VK_EXT_VIDEO_DECODE_H264,
    .queue_flags      = VK_QUEUE_VIDEO_DECODE_BIT_KHR,
    .decode_op        = VK_VIDEO_CODEC_OPERATION_DECODE_H264_BIT_KHR,
    .ext_props = {
        .extensionName = VK_STD_VULKAN_VIDEO_CODEC_H264_DECODE_EXTENSION_NAME,
        .specVersion   = VK_STD_VULKAN_VIDEO_CODEC_H264_DECODE_SPEC_VERSION,
    },
}

Definition at line 26 of file vulkan_h264.c.

h264_scaling_list8_order

const int h264_scaling_list8_order[] = { 0, 3, 1, 4, 2, 5 }

static

Definition at line 54 of file vulkan_h264.c.

Referenced by set_pps(), and set_sps().

ff_h264_vulkan_hwaccel

const FFHWAccel ff_h264_vulkan_hwaccel

Initial value:

= {
    .p.name                = "h264_vulkan",
    .p.type                = AVMEDIA_TYPE_VIDEO,
    .p.id                  = AV_CODEC_ID_H264,
    .p.pix_fmt             = AV_PIX_FMT_VULKAN,
    .start_frame           = &vk_h264_start_frame,
    .decode_slice          = &vk_h264_decode_slice,
    .end_frame             = &vk_h264_end_frame,
    .free_frame_priv       = &vk_h264_free_frame_priv,
    .frame_priv_data_size  = sizeof(H264VulkanDecodePicture),
    .init                  = &ff_vk_decode_init,
    .update_thread_context = &ff_vk_update_thread_context,
    .decode_params         = &ff_vk_params_invalidate,
    .uninit                = &ff_vk_decode_uninit,
    .frame_params          = &ff_vk_frame_params,
    .priv_data_size        = sizeof(FFVulkanDecodeContext),
    .caps_internal         = HWACCEL_CAP_ASYNC_SAFE,
}

Definition at line 585 of file vulkan_h264.c.