forked from FFmpeg/FFmpeg
Lynne
2e06b84e27
We recently introduced a public field which was a superset of the queue context we used to have. Switch to using it entirely. This also allows us to get rid of the NIH function which was valid only for video queues.
102 lines
3.2 KiB
C
102 lines
3.2 KiB
C
/*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVCODEC_VULKAN_VIDEO_H
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#define AVCODEC_VULKAN_VIDEO_H
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#include "avcodec.h"
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#include "libavutil/vulkan.h"
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#include <vk_video/vulkan_video_codecs_common.h>
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#define CODEC_VER_MAJ(ver) (ver >> 22)
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#define CODEC_VER_MIN(ver) ((ver >> 12) & ((1 << 10) - 1))
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#define CODEC_VER_PAT(ver) (ver & ((1 << 12) - 1))
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#define CODEC_VER(ver) CODEC_VER_MAJ(ver), CODEC_VER_MIN(ver), CODEC_VER_PAT(ver)
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typedef struct FFVkVideoSession {
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VkVideoSessionKHR session;
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VkDeviceMemory *mem;
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uint32_t nb_mem;
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VkSamplerYcbcrConversion yuv_sampler;
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AVBufferRef *dpb_hwfc_ref;
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int layered_dpb;
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AVFrame *layered_frame;
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VkImageView layered_view;
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VkImageAspectFlags layered_aspect;
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} FFVkVideoCommon;
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/**
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* Get pixfmt from a Vulkan format.
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*/
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enum AVPixelFormat ff_vk_pix_fmt_from_vkfmt(VkFormat vkf);
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/**
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* Get aspect bits which include all planes from a VkFormat.
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*/
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VkImageAspectFlags ff_vk_aspect_bits_from_vkfmt(VkFormat vkf);
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/**
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* Get Vulkan's chroma subsampling from a pixfmt descriptor.
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*/
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VkVideoChromaSubsamplingFlagBitsKHR ff_vk_subsampling_from_av_desc(const AVPixFmtDescriptor *desc);
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/**
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* Get Vulkan's bit depth from an [8:12] integer.
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*/
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VkVideoComponentBitDepthFlagBitsKHR ff_vk_depth_from_av_depth(int depth);
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/**
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* Convert level from Vulkan to AV.
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*/
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int ff_vk_h264_level_to_av(StdVideoH264LevelIdc level);
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int ff_vk_h265_level_to_av(StdVideoH265LevelIdc level);
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StdVideoH264LevelIdc ff_vk_h264_level_to_vk(int level_idc);
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StdVideoH265LevelIdc ff_vk_h265_level_to_vk(int level_idc);
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/**
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* Convert profile from/to AV to Vulkan
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*/
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StdVideoH264ProfileIdc ff_vk_h264_profile_to_vk(int profile);
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StdVideoH265ProfileIdc ff_vk_h265_profile_to_vk(int profile);
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int ff_vk_h264_profile_to_av(StdVideoH264ProfileIdc profile);
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int ff_vk_h265_profile_to_av(StdVideoH264ProfileIdc profile);
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/**
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* Creates image views for video frames.
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*/
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int ff_vk_create_view(FFVulkanContext *s, FFVkVideoCommon *common,
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VkImageView *view, VkImageAspectFlags *aspect,
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AVVkFrame *src, VkFormat vkf, int is_dpb);
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/**
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* Initialize video session, allocating and binding necessary memory.
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*/
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int ff_vk_video_common_init(AVCodecContext *avctx, FFVulkanContext *s,
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FFVkVideoCommon *common,
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VkVideoSessionCreateInfoKHR *session_create);
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/**
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* Free video session and required resources.
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*/
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void ff_vk_video_common_uninit(FFVulkanContext *s, FFVkVideoCommon *common);
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#endif /* AVCODEC_VULKAN_VIDEO_H */
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