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https://github.com/FFmpeg/FFmpeg.git
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92 lines
2.7 KiB
C
92 lines
2.7 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 "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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AVBufferPool *buf_pool;
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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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typedef struct FFVkVideoBuffer {
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FFVkBuffer buf;
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uint8_t *mem;
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} FFVkVideoBuffer;
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/**
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* Get a mapped FFVkPooledBuffer with a specific guaranteed minimum size
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* from a pool.
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*/
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int ff_vk_video_get_buffer(FFVulkanContext *ctx, FFVkVideoCommon *s,
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AVBufferRef **buf, VkBufferUsageFlags usage,
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void *create_pNext, size_t size);
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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(void *log, 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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