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97 lines
3.0 KiB
97 lines
3.0 KiB
/* |
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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 "codec_id.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 FFVkCodecMap { |
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FFVulkanExtensions encode_extension; |
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VkVideoCodecOperationFlagBitsKHR encode_op; |
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FFVulkanExtensions decode_extension; |
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VkVideoCodecOperationFlagBitsKHR decode_op; |
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} FFVkCodecMap; |
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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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* Index is codec_id. |
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*/ |
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extern const FFVkCodecMap ff_vk_codec_map[AV_CODEC_ID_FIRST_AUDIO]; |
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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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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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