| /* |
| * 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 "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; |
| |
| AVBufferPool *buf_pool; |
| } 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); |
| |
| |
| /** |
| * Convert level from Vulkan to AV. |
| */ |
| int ff_vk_h264_level_to_av(StdVideoH264LevelIdc level); |
| int ff_vk_h265_level_to_av(StdVideoH265LevelIdc level); |
| |
| typedef struct FFVkVideoBuffer { |
| FFVkBuffer buf; |
| uint8_t *mem; |
| } FFVkVideoBuffer; |
| |
| /** |
| * Get a mapped FFVkPooledBuffer with a specific guaranteed minimum size |
| * from a pool. |
| */ |
| int ff_vk_video_get_buffer(FFVulkanContext *ctx, FFVkVideoCommon *s, |
| AVBufferRef **buf, VkBufferUsageFlags usage, |
| void *create_pNext, size_t size); |
| |
| /** |
| * Initialize video session, allocating and binding necessary memory. |
| */ |
| int ff_vk_video_common_init(void *log, 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 */ |