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108 lines
3.4 KiB
108 lines
3.4 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 "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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* Chooses a QF and loads it into a context. |
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*/ |
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int ff_vk_video_qf_init(FFVulkanContext *s, FFVkQueueFamilyCtx *qf, |
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VkQueueFlagBits family, VkVideoCodecOperationFlagBitsKHR caps); |
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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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