mirror of
https://git.ffmpeg.org/ffmpeg.git
synced 2024-12-28 02:12:28 +00:00
179 lines
5.8 KiB
C
179 lines
5.8 KiB
C
/*
|
|
* 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 */
|
|
int external_fg; /* Oddity #2 - hardware can't apply film grain */
|
|
uint32_t frame_id_alloc_mask; /* For AV1 only */
|
|
|
|
/* 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 */
|