mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-23 12:43:46 +02:00
libavcodec: add Vulkan common video decoding code
This commit is contained in:
Lynne
parent
023ae6103f
commit
1e8fefff93
@ -1291,7 +1291,7 @@ SKIPHEADERS-$(CONFIG_XVMC) += xvmc.h
|
||||
SKIPHEADERS-$(CONFIG_VAAPI) += vaapi_decode.h vaapi_hevc.h vaapi_encode.h
|
||||
SKIPHEADERS-$(CONFIG_VDPAU) += vdpau.h vdpau_internal.h
|
||||
SKIPHEADERS-$(CONFIG_VIDEOTOOLBOX) += videotoolbox.h vt_internal.h
|
||||
SKIPHEADERS-$(CONFIG_VULKAN) += vulkan.h vulkan_video.h
|
||||
SKIPHEADERS-$(CONFIG_VULKAN) += vulkan.h vulkan_video.h vulkan_decode.h
|
||||
SKIPHEADERS-$(CONFIG_V4L2_M2M) += v4l2_buffers.h v4l2_context.h v4l2_m2m.h
|
||||
SKIPHEADERS-$(CONFIG_ZLIB) += zlib_wrapper.h
|
||||
|
||||
|
||||
1167
libavcodec/vulkan_decode.c
Normal file
1167
libavcodec/vulkan_decode.c
Normal file
File diff suppressed because it is too large
Load Diff
176
libavcodec/vulkan_decode.h
Normal file
176
libavcodec/vulkan_decode.h
Normal file
@ -0,0 +1,176 @@
|
||||
/*
|
||||
* 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_DECODE_H
|
||||
#define AVCODEC_VULKAN_DECODE_H
|
||||
|
||||
#include "decode.h"
|
||||
#include "hwconfig.h"
|
||||
#include "internal.h"
|
||||
|
||||
#include "vulkan_video.h"
|
||||
|
||||
typedef struct FFVulkanDecodeProfileData {
|
||||
VkVideoCapabilitiesKHR caps;
|
||||
VkVideoDecodeCapabilitiesKHR dec_caps;
|
||||
VkVideoDecodeH264ProfileInfoKHR h264_profile;
|
||||
VkVideoDecodeH264ProfileInfoKHR h265_profile;
|
||||
VkVideoDecodeAV1ProfileInfoMESA av1_profile;
|
||||
VkVideoDecodeUsageInfoKHR usage;
|
||||
VkVideoProfileInfoKHR profile;
|
||||
VkVideoProfileListInfoKHR profile_list;
|
||||
} FFVulkanDecodeProfileData;
|
||||
|
||||
typedef struct FFVulkanDecodeShared {
|
||||
FFVulkanContext s;
|
||||
FFVkVideoCommon common;
|
||||
FFVkExecPool exec_pool;
|
||||
FFVulkanDecodeProfileData profile_data;
|
||||
|
||||
AVBufferRef *dpb_hwfc_ref; /* Only used for dedicated_dpb */
|
||||
|
||||
AVFrame *layered_frame; /* Only used for layered_dpb */
|
||||
VkImageView layered_view;
|
||||
VkImageAspectFlags layered_aspect;
|
||||
|
||||
VkVideoSessionParametersKHR empty_session_params;
|
||||
|
||||
VkSamplerYcbcrConversion yuv_sampler;
|
||||
} FFVulkanDecodeShared;
|
||||
|
||||
typedef struct FFVulkanDecodeContext {
|
||||
AVBufferRef *shared_ref;
|
||||
AVBufferRef *session_params;
|
||||
|
||||
int dedicated_dpb; /* Oddity #1 - separate DPB images */
|
||||
int layered_dpb; /* Madness #1 - layered DPB images */
|
||||
|
||||
/* Thread-local state below */
|
||||
AVBufferPool *tmp_pool; /* Pool for temporary data, if needed (HEVC) */
|
||||
size_t tmp_pool_ele_size;
|
||||
int params_changed;
|
||||
} FFVulkanDecodeContext;
|
||||
|
||||
typedef struct FFVulkanDecodePicture {
|
||||
AVFrame *dpb_frame; /* Only used for out-of-place decoding. */
|
||||
|
||||
VkImageView img_view_ref; /* Image representation view (reference) */
|
||||
VkImageView img_view_out; /* Image representation view (output-only) */
|
||||
VkImageView img_view_dest; /* Set to img_view_out if no layered refs are used */
|
||||
VkImageAspectFlags img_aspect; /* Image plane mask bits */
|
||||
VkImageAspectFlags img_aspect_ref; /* Only used for out-of-place decoding */
|
||||
|
||||
VkSemaphore sem;
|
||||
uint64_t sem_value;
|
||||
|
||||
/* State */
|
||||
int update_params;
|
||||
AVBufferRef *session_params;
|
||||
|
||||
/* Current picture */
|
||||
VkVideoPictureResourceInfoKHR ref;
|
||||
VkVideoReferenceSlotInfoKHR ref_slot;
|
||||
|
||||
/* Picture refs. H264 has the maximum number of refs (36) of any supported codec. */
|
||||
VkVideoPictureResourceInfoKHR refs [36];
|
||||
VkVideoReferenceSlotInfoKHR ref_slots[36];
|
||||
|
||||
/* Main decoding struct */
|
||||
AVBufferRef *params_buf;
|
||||
VkVideoDecodeInfoKHR decode_info;
|
||||
|
||||
/* Slice data */
|
||||
AVBufferRef *slices_buf;
|
||||
size_t slices_size;
|
||||
uint32_t *slice_off;
|
||||
unsigned int slice_off_max;
|
||||
uint32_t nb_slices;
|
||||
} FFVulkanDecodePicture;
|
||||
|
||||
/**
|
||||
* Initialize decoder.
|
||||
*/
|
||||
int ff_vk_decode_init(AVCodecContext *avctx);
|
||||
|
||||
/**
|
||||
* Synchronize the contexts between 2 threads.
|
||||
*/
|
||||
int ff_vk_update_thread_context(AVCodecContext *dst, const AVCodecContext *src);
|
||||
|
||||
/**
|
||||
* Initialize hw_frames_ctx with the parameters needed to decode the stream
|
||||
* using the parameters from avctx.
|
||||
*
|
||||
* NOTE: if avctx->internal->hwaccel_priv_data exists, will partially initialize
|
||||
* the context.
|
||||
*/
|
||||
int ff_vk_frame_params(AVCodecContext *avctx, AVBufferRef *hw_frames_ctx);
|
||||
|
||||
/**
|
||||
* Sets FFVulkanDecodeContext.params_changed to 1.
|
||||
*/
|
||||
int ff_vk_params_changed(AVCodecContext *avctx, int t, const uint8_t *b, uint32_t s);
|
||||
|
||||
/**
|
||||
* Prepare a frame, creates the image view, and sets up the dpb fields.
|
||||
*/
|
||||
int ff_vk_decode_prepare_frame(FFVulkanDecodeContext *dec, AVFrame *pic,
|
||||
FFVulkanDecodePicture *vkpic, int is_current,
|
||||
int alloc_dpb);
|
||||
|
||||
/**
|
||||
* Add slice data to frame.
|
||||
*/
|
||||
int ff_vk_decode_add_slice(AVCodecContext *avctx, FFVulkanDecodePicture *vp,
|
||||
const uint8_t *data, size_t size, int add_startcode,
|
||||
uint32_t *nb_slices, const uint32_t **offsets);
|
||||
|
||||
/**
|
||||
* Decode a frame.
|
||||
*/
|
||||
int ff_vk_decode_frame(AVCodecContext *avctx,
|
||||
AVFrame *pic, FFVulkanDecodePicture *vp,
|
||||
AVFrame *rpic[], FFVulkanDecodePicture *rvkp[]);
|
||||
|
||||
/**
|
||||
* Free a frame and its state.
|
||||
*/
|
||||
void ff_vk_decode_free_frame(AVHWDeviceContext *dev_ctx, FFVulkanDecodePicture *vp);
|
||||
|
||||
/**
|
||||
* Get an FFVkBuffer suitable for decoding from.
|
||||
*/
|
||||
int ff_vk_get_decode_buffer(FFVulkanDecodeContext *ctx, AVBufferRef **buf,
|
||||
void *create_pNext, size_t size);
|
||||
|
||||
/**
|
||||
* Free VkVideoSessionParametersKHR.
|
||||
*/
|
||||
void ff_vk_decode_free_params(void *opaque, uint8_t *data);
|
||||
|
||||
/**
|
||||
* Flush decoder.
|
||||
*/
|
||||
void ff_vk_decode_flush(AVCodecContext *avctx);
|
||||
|
||||
/**
|
||||
* Free decoder.
|
||||
*/
|
||||
int ff_vk_decode_uninit(AVCodecContext *avctx);
|
||||
|
||||
#endif /* AVCODEC_VULKAN_DECODE_H */
|
||||
Loading…
Reference in New Issue
Block a user