mirror of https://git.ffmpeg.org/ffmpeg.git
109 lines
3.4 KiB
C
109 lines
3.4 KiB
C
/*
|
|
* This file is part of FFmpeg.
|
|
*
|
|
* FFmpeg is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* FFmpeg is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with FFmpeg; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#ifndef AVCODEC_VULKAN_VIDEO_H
|
|
#define AVCODEC_VULKAN_VIDEO_H
|
|
|
|
#include "avcodec.h"
|
|
#include "libavutil/vulkan.h"
|
|
|
|
#include <vk_video/vulkan_video_codecs_common.h>
|
|
|
|
#define CODEC_VER_MAJ(ver) (ver >> 22)
|
|
#define CODEC_VER_MIN(ver) ((ver >> 12) & ((1 << 10) - 1))
|
|
#define CODEC_VER_PAT(ver) (ver & ((1 << 12) - 1))
|
|
#define CODEC_VER(ver) CODEC_VER_MAJ(ver), CODEC_VER_MIN(ver), CODEC_VER_PAT(ver)
|
|
|
|
typedef struct FFVkVideoSession {
|
|
VkVideoSessionKHR session;
|
|
VkDeviceMemory *mem;
|
|
uint32_t nb_mem;
|
|
|
|
VkSamplerYcbcrConversion yuv_sampler;
|
|
|
|
AVBufferRef *dpb_hwfc_ref;
|
|
int layered_dpb;
|
|
AVFrame *layered_frame;
|
|
VkImageView layered_view;
|
|
VkImageAspectFlags layered_aspect;
|
|
} FFVkVideoCommon;
|
|
|
|
/**
|
|
* Get pixfmt from a Vulkan format.
|
|
*/
|
|
enum AVPixelFormat ff_vk_pix_fmt_from_vkfmt(VkFormat vkf);
|
|
|
|
/**
|
|
* Get aspect bits which include all planes from a VkFormat.
|
|
*/
|
|
VkImageAspectFlags ff_vk_aspect_bits_from_vkfmt(VkFormat vkf);
|
|
|
|
/**
|
|
* Get Vulkan's chroma subsampling from a pixfmt descriptor.
|
|
*/
|
|
VkVideoChromaSubsamplingFlagBitsKHR ff_vk_subsampling_from_av_desc(const AVPixFmtDescriptor *desc);
|
|
|
|
/**
|
|
* Get Vulkan's bit depth from an [8:12] integer.
|
|
*/
|
|
VkVideoComponentBitDepthFlagBitsKHR ff_vk_depth_from_av_depth(int depth);
|
|
|
|
/**
|
|
* Chooses a QF and loads it into a context.
|
|
*/
|
|
int ff_vk_video_qf_init(FFVulkanContext *s, FFVkQueueFamilyCtx *qf,
|
|
VkQueueFlagBits family, VkVideoCodecOperationFlagBitsKHR caps);
|
|
|
|
/**
|
|
* Convert level from Vulkan to AV.
|
|
*/
|
|
int ff_vk_h264_level_to_av(StdVideoH264LevelIdc level);
|
|
int ff_vk_h265_level_to_av(StdVideoH265LevelIdc level);
|
|
|
|
StdVideoH264LevelIdc ff_vk_h264_level_to_vk(int level_idc);
|
|
StdVideoH265LevelIdc ff_vk_h265_level_to_vk(int level_idc);
|
|
|
|
/**
|
|
* Convert profile from/to AV to Vulkan
|
|
*/
|
|
StdVideoH264ProfileIdc ff_vk_h264_profile_to_vk(int profile);
|
|
StdVideoH265ProfileIdc ff_vk_h265_profile_to_vk(int profile);
|
|
int ff_vk_h264_profile_to_av(StdVideoH264ProfileIdc profile);
|
|
int ff_vk_h265_profile_to_av(StdVideoH264ProfileIdc profile);
|
|
|
|
/**
|
|
* Creates image views for video frames.
|
|
*/
|
|
int ff_vk_create_view(FFVulkanContext *s, FFVkVideoCommon *common,
|
|
VkImageView *view, VkImageAspectFlags *aspect,
|
|
AVVkFrame *src, VkFormat vkf, int is_dpb);
|
|
|
|
/**
|
|
* Initialize video session, allocating and binding necessary memory.
|
|
*/
|
|
int ff_vk_video_common_init(AVCodecContext *avctx, FFVulkanContext *s,
|
|
FFVkVideoCommon *common,
|
|
VkVideoSessionCreateInfoKHR *session_create);
|
|
|
|
/**
|
|
* Free video session and required resources.
|
|
*/
|
|
void ff_vk_video_common_uninit(FFVulkanContext *s, FFVkVideoCommon *common);
|
|
|
|
#endif /* AVCODEC_VULKAN_VIDEO_H */
|