/* * 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 */ #include "libavutil/refstruct.h" #include "vulkan_video.h" #include "vulkan_decode.h" #include "config_components.h" #include "libavutil/avassert.h" #include "libavutil/mem.h" #include "libavutil/vulkan_loader.h" #if CONFIG_H264_VULKAN_HWACCEL extern const FFVulkanDecodeDescriptor ff_vk_dec_h264_desc; #endif #if CONFIG_HEVC_VULKAN_HWACCEL extern const FFVulkanDecodeDescriptor ff_vk_dec_hevc_desc; #endif #if CONFIG_AV1_VULKAN_HWACCEL extern const FFVulkanDecodeDescriptor ff_vk_dec_av1_desc; #endif static const FFVulkanDecodeDescriptor *dec_descs[] = { #if CONFIG_H264_VULKAN_HWACCEL &ff_vk_dec_h264_desc, #endif #if CONFIG_HEVC_VULKAN_HWACCEL &ff_vk_dec_hevc_desc, #endif #if CONFIG_AV1_VULKAN_HWACCEL &ff_vk_dec_av1_desc, #endif }; static const FFVulkanDecodeDescriptor *get_codecdesc(enum AVCodecID codec_id) { for (size_t i = 0; i < FF_ARRAY_ELEMS(dec_descs); i++) if (dec_descs[i]->codec_id == codec_id) return dec_descs[i]; av_assert1(!"no codec descriptor"); return NULL; } static const VkVideoProfileInfoKHR *get_video_profile(FFVulkanDecodeShared *ctx, enum AVCodecID codec_id) { const VkVideoProfileListInfoKHR *profile_list; VkStructureType profile_struct_type = codec_id == AV_CODEC_ID_H264 ? VK_STRUCTURE_TYPE_VIDEO_DECODE_H264_PROFILE_INFO_KHR : codec_id == AV_CODEC_ID_HEVC ? VK_STRUCTURE_TYPE_VIDEO_DECODE_H265_PROFILE_INFO_KHR : codec_id == AV_CODEC_ID_AV1 ? VK_STRUCTURE_TYPE_VIDEO_DECODE_AV1_PROFILE_INFO_KHR : 0; profile_list = ff_vk_find_struct(ctx->s.hwfc->create_pnext, VK_STRUCTURE_TYPE_VIDEO_PROFILE_LIST_INFO_KHR); if (!profile_list) return NULL; for (int i = 0; i < profile_list->profileCount; i++) if (ff_vk_find_struct(profile_list->pProfiles[i].pNext, profile_struct_type)) return &profile_list->pProfiles[i]; return NULL; } int ff_vk_update_thread_context(AVCodecContext *dst, const AVCodecContext *src) { int err; FFVulkanDecodeContext *src_ctx = src->internal->hwaccel_priv_data; FFVulkanDecodeContext *dst_ctx = dst->internal->hwaccel_priv_data; av_refstruct_replace(&dst_ctx->shared_ctx, src_ctx->shared_ctx); if (src_ctx->session_params) { err = av_buffer_replace(&dst_ctx->session_params, src_ctx->session_params); if (err < 0) return err; } dst_ctx->dedicated_dpb = src_ctx->dedicated_dpb; dst_ctx->external_fg = src_ctx->external_fg; dst_ctx->frame_id_alloc_mask = src_ctx->frame_id_alloc_mask; return 0; } int ff_vk_params_invalidate(AVCodecContext *avctx, int t, const uint8_t *b, uint32_t s) { FFVulkanDecodeContext *dec = avctx->internal->hwaccel_priv_data; av_buffer_unref(&dec->session_params); return 0; } static AVFrame *vk_get_dpb_pool(FFVulkanDecodeShared *ctx) { int err; AVFrame *avf = av_frame_alloc(); if (!avf) return NULL; err = av_hwframe_get_buffer(ctx->common.dpb_hwfc_ref, avf, 0x0); if (err < 0) av_frame_free(&avf); return avf; } int ff_vk_decode_prepare_frame(FFVulkanDecodeContext *dec, AVFrame *pic, FFVulkanDecodePicture *vkpic, int is_current, int alloc_dpb) { int err; FFVulkanDecodeShared *ctx = dec->shared_ctx; FFVulkanFunctions *vk = &ctx->s.vkfn; vkpic->slices_size = 0; /* If the decoder made a blank frame to make up for a missing ref, or the * frame is the current frame so it's missing one, create a re-representation */ if (vkpic->img_view_ref) return 0; vkpic->dpb_frame = NULL; vkpic->img_view_ref = VK_NULL_HANDLE; vkpic->img_view_out = VK_NULL_HANDLE; vkpic->img_view_dest = VK_NULL_HANDLE; vkpic->destroy_image_view = vk->DestroyImageView; vkpic->wait_semaphores = vk->WaitSemaphores; if (ctx->common.layered_dpb && alloc_dpb) { vkpic->img_view_ref = ctx->common.layered_view; vkpic->img_aspect_ref = ctx->common.layered_aspect; } else if (alloc_dpb) { AVHWFramesContext *dpb_frames = (AVHWFramesContext *)ctx->common.dpb_hwfc_ref->data; AVVulkanFramesContext *dpb_hwfc = dpb_frames->hwctx; vkpic->dpb_frame = vk_get_dpb_pool(ctx); if (!vkpic->dpb_frame) return AVERROR(ENOMEM); err = ff_vk_create_view(&ctx->s, &ctx->common, &vkpic->img_view_ref, &vkpic->img_aspect_ref, (AVVkFrame *)vkpic->dpb_frame->data[0], dpb_hwfc->format[0], !is_current); if (err < 0) return err; vkpic->img_view_dest = vkpic->img_view_ref; } if (!alloc_dpb || is_current) { AVHWFramesContext *frames = (AVHWFramesContext *)pic->hw_frames_ctx->data; AVVulkanFramesContext *hwfc = frames->hwctx; err = ff_vk_create_view(&ctx->s, &ctx->common, &vkpic->img_view_out, &vkpic->img_aspect, (AVVkFrame *)pic->data[0], hwfc->format[0], !is_current); if (err < 0) return err; if (!alloc_dpb) { vkpic->img_view_ref = vkpic->img_view_out; vkpic->img_aspect_ref = vkpic->img_aspect; } } return 0; } 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) { FFVulkanDecodeContext *dec = avctx->internal->hwaccel_priv_data; FFVulkanDecodeShared *ctx = dec->shared_ctx; static const uint8_t startcode_prefix[3] = { 0x0, 0x0, 0x1 }; const size_t startcode_len = add_startcode ? sizeof(startcode_prefix) : 0; const int nb = *nb_slices; uint8_t *slices; uint32_t *slice_off; FFVkBuffer *vkbuf; size_t new_size = vp->slices_size + startcode_len + size + ctx->caps.minBitstreamBufferSizeAlignment; new_size = FFALIGN(new_size, ctx->caps.minBitstreamBufferSizeAlignment); slice_off = av_fast_realloc(dec->slice_off, &dec->slice_off_max, (nb + 1)*sizeof(slice_off)); if (!slice_off) return AVERROR(ENOMEM); *offsets = dec->slice_off = slice_off; slice_off[nb] = vp->slices_size; vkbuf = vp->slices_buf ? (FFVkBuffer *)vp->slices_buf->data : NULL; if (!vkbuf || vkbuf->size < new_size) { int err; AVBufferRef *new_ref; FFVkBuffer *new_buf; /* No point in requesting anything smaller. */ size_t buf_size = FFMAX(new_size, 1024*1024); /* Align buffer to nearest power of two. Makes fragmentation management * easier, and gives us ample headroom. */ buf_size = 2 << av_log2(buf_size); err = ff_vk_get_pooled_buffer(&ctx->s, &ctx->buf_pool, &new_ref, VK_BUFFER_USAGE_VIDEO_DECODE_SRC_BIT_KHR, ctx->s.hwfc->create_pnext, buf_size, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT); if (err < 0) return err; new_buf = (FFVkBuffer *)new_ref->data; /* Copy data from the old buffer */ if (vkbuf) { memcpy(new_buf->mapped_mem, vkbuf->mapped_mem, vp->slices_size); av_buffer_unref(&vp->slices_buf); } vp->slices_buf = new_ref; vkbuf = new_buf; } slices = vkbuf->mapped_mem; /* Startcode */ memcpy(slices + vp->slices_size, startcode_prefix, startcode_len); /* Slice data */ memcpy(slices + vp->slices_size + startcode_len, data, size); *nb_slices = nb + 1; vp->slices_size += startcode_len + size; return 0; } void ff_vk_decode_flush(AVCodecContext *avctx) { FFVulkanDecodeContext *dec = avctx->internal->hwaccel_priv_data; FFVulkanDecodeShared *ctx = dec->shared_ctx; FFVulkanFunctions *vk = &ctx->s.vkfn; VkVideoBeginCodingInfoKHR decode_start = { .sType = VK_STRUCTURE_TYPE_VIDEO_BEGIN_CODING_INFO_KHR, .videoSession = ctx->common.session, .videoSessionParameters = ctx->empty_session_params, }; VkVideoCodingControlInfoKHR decode_ctrl = { .sType = VK_STRUCTURE_TYPE_VIDEO_CODING_CONTROL_INFO_KHR, .flags = VK_VIDEO_CODING_CONTROL_RESET_BIT_KHR, }; VkVideoEndCodingInfoKHR decode_end = { .sType = VK_STRUCTURE_TYPE_VIDEO_END_CODING_INFO_KHR, }; VkCommandBuffer cmd_buf; FFVkExecContext *exec; int had_submission; exec = ff_vk_exec_get(&ctx->s, &ctx->exec_pool); had_submission = exec->had_submission; ff_vk_exec_start(&ctx->s, exec); cmd_buf = exec->buf; vk->CmdBeginVideoCodingKHR(cmd_buf, &decode_start); vk->CmdControlVideoCodingKHR(cmd_buf, &decode_ctrl); vk->CmdEndVideoCodingKHR(cmd_buf, &decode_end); ff_vk_exec_submit(&ctx->s, exec); /* If this is the very first time this context is used, then remove the * had_submission flag to indicate that no query result is available, * as no decode command was issued. */ exec->had_submission = had_submission; } int ff_vk_decode_frame(AVCodecContext *avctx, AVFrame *pic, FFVulkanDecodePicture *vp, AVFrame *rpic[], FFVulkanDecodePicture *rvkp[]) { int err; VkResult ret; VkCommandBuffer cmd_buf; FFVkBuffer *sd_buf; FFVulkanDecodeContext *dec = avctx->internal->hwaccel_priv_data; FFVulkanDecodeShared *ctx = dec->shared_ctx; FFVulkanFunctions *vk = &ctx->s.vkfn; /* Output */ AVVkFrame *vkf = (AVVkFrame *)pic->buf[0]->data; /* Quirks */ const int layered_dpb = ctx->common.layered_dpb; VkVideoSessionParametersKHR *par = (VkVideoSessionParametersKHR *)dec->session_params->data; VkVideoBeginCodingInfoKHR decode_start = { .sType = VK_STRUCTURE_TYPE_VIDEO_BEGIN_CODING_INFO_KHR, .videoSession = ctx->common.session, .videoSessionParameters = *par, .referenceSlotCount = vp->decode_info.referenceSlotCount, .pReferenceSlots = vp->decode_info.pReferenceSlots, }; VkVideoEndCodingInfoKHR decode_end = { .sType = VK_STRUCTURE_TYPE_VIDEO_END_CODING_INFO_KHR, }; VkImageMemoryBarrier2 img_bar[37]; int nb_img_bar = 0; size_t data_size = FFALIGN(vp->slices_size, ctx->caps.minBitstreamBufferSizeAlignment); FFVkExecContext *exec = ff_vk_exec_get(&ctx->s, &ctx->exec_pool); /* The current decoding reference has to be bound as an inactive reference */ VkVideoReferenceSlotInfoKHR *cur_vk_ref; cur_vk_ref = (void *)&decode_start.pReferenceSlots[decode_start.referenceSlotCount]; cur_vk_ref[0] = vp->ref_slot; cur_vk_ref[0].slotIndex = -1; decode_start.referenceSlotCount++; if (ctx->exec_pool.nb_queries && exec->had_submission) { uint32_t *result; ret = ff_vk_exec_get_query(&ctx->s, exec, (void **)&result, VK_QUERY_RESULT_WAIT_BIT); if (ret != VK_NOT_READY && ret != VK_SUCCESS) { av_log(avctx, AV_LOG_ERROR, "Unable to perform query: %s!\n", ff_vk_ret2str(ret)); return AVERROR_EXTERNAL; } av_log(avctx, result[0] != VK_QUERY_RESULT_STATUS_COMPLETE_KHR ? AV_LOG_ERROR : AV_LOG_DEBUG, "Result of previous frame decoding: %u\n", result[0]); } sd_buf = (FFVkBuffer *)vp->slices_buf->data; /* Flush if needed */ if (!(sd_buf->flags & VK_MEMORY_PROPERTY_HOST_COHERENT_BIT)) { VkMappedMemoryRange flush_buf = { .sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE, .memory = sd_buf->mem, .offset = 0, .size = FFALIGN(vp->slices_size, ctx->s.props.properties.limits.nonCoherentAtomSize), }; ret = vk->FlushMappedMemoryRanges(ctx->s.hwctx->act_dev, 1, &flush_buf); if (ret != VK_SUCCESS) { av_log(avctx, AV_LOG_ERROR, "Failed to flush memory: %s\n", ff_vk_ret2str(ret)); return AVERROR_EXTERNAL; } } vp->decode_info.srcBuffer = sd_buf->buf; vp->decode_info.srcBufferOffset = 0; vp->decode_info.srcBufferRange = data_size; /* Start command buffer recording */ err = ff_vk_exec_start(&ctx->s, exec); if (err < 0) return err; cmd_buf = exec->buf; /* Slices */ err = ff_vk_exec_add_dep_buf(&ctx->s, exec, &vp->slices_buf, 1, 0); if (err < 0) return err; vp->slices_buf = NULL; /* Owned by the exec buffer from now on */ /* Parameters */ err = ff_vk_exec_add_dep_buf(&ctx->s, exec, &dec->session_params, 1, 1); if (err < 0) return err; err = ff_vk_exec_add_dep_frame(&ctx->s, exec, pic, VK_PIPELINE_STAGE_2_VIDEO_DECODE_BIT_KHR, VK_PIPELINE_STAGE_2_VIDEO_DECODE_BIT_KHR); if (err < 0) return err; err = ff_vk_exec_mirror_sem_value(&ctx->s, exec, &vp->sem, &vp->sem_value, pic); if (err < 0) return err; /* Output image - change layout, as it comes from a pool */ img_bar[nb_img_bar] = (VkImageMemoryBarrier2) { .sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER_2, .pNext = NULL, .srcStageMask = VK_PIPELINE_STAGE_2_VIDEO_DECODE_BIT_KHR, .dstStageMask = VK_PIPELINE_STAGE_2_VIDEO_DECODE_BIT_KHR, .srcAccessMask = VK_ACCESS_2_NONE, .dstAccessMask = VK_ACCESS_2_VIDEO_DECODE_WRITE_BIT_KHR, .oldLayout = vkf->layout[0], .newLayout = (layered_dpb || vp->dpb_frame) ? VK_IMAGE_LAYOUT_VIDEO_DECODE_DST_KHR : VK_IMAGE_LAYOUT_VIDEO_DECODE_DPB_KHR, /* Spec, 07252 utter madness */ .srcQueueFamilyIndex = vkf->queue_family[0], .dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED, .image = vkf->img[0], .subresourceRange = (VkImageSubresourceRange) { .aspectMask = vp->img_aspect, .layerCount = 1, .levelCount = 1, }, }; ff_vk_exec_update_frame(&ctx->s, exec, pic, &img_bar[nb_img_bar], &nb_img_bar); /* Reference for the current image, if existing and not layered */ if (vp->dpb_frame) { err = ff_vk_exec_add_dep_frame(&ctx->s, exec, vp->dpb_frame, VK_PIPELINE_STAGE_2_VIDEO_DECODE_BIT_KHR, VK_PIPELINE_STAGE_2_VIDEO_DECODE_BIT_KHR); if (err < 0) return err; } if (!layered_dpb) { /* All references (apart from the current) for non-layered refs */ for (int i = 0; i < vp->decode_info.referenceSlotCount; i++) { AVFrame *ref_frame = rpic[i]; FFVulkanDecodePicture *rvp = rvkp[i]; AVFrame *ref = rvp->dpb_frame ? rvp->dpb_frame : ref_frame; err = ff_vk_exec_add_dep_frame(&ctx->s, exec, ref, VK_PIPELINE_STAGE_2_VIDEO_DECODE_BIT_KHR, VK_PIPELINE_STAGE_2_VIDEO_DECODE_BIT_KHR); if (err < 0) return err; if (err == 0) { err = ff_vk_exec_mirror_sem_value(&ctx->s, exec, &rvp->sem, &rvp->sem_value, ref); if (err < 0) return err; } if (!rvp->dpb_frame) { AVVkFrame *rvkf = (AVVkFrame *)ref->data[0]; img_bar[nb_img_bar] = (VkImageMemoryBarrier2) { .sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER_2, .pNext = NULL, .srcStageMask = VK_PIPELINE_STAGE_2_VIDEO_DECODE_BIT_KHR, .dstStageMask = VK_PIPELINE_STAGE_2_VIDEO_DECODE_BIT_KHR, .srcAccessMask = VK_ACCESS_2_NONE, .dstAccessMask = VK_ACCESS_2_VIDEO_DECODE_READ_BIT_KHR | VK_ACCESS_2_VIDEO_DECODE_WRITE_BIT_KHR, .oldLayout = rvkf->layout[0], .newLayout = VK_IMAGE_LAYOUT_VIDEO_DECODE_DPB_KHR, .srcQueueFamilyIndex = rvkf->queue_family[0], .dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED, .image = rvkf->img[0], .subresourceRange = (VkImageSubresourceRange) { .aspectMask = rvp->img_aspect_ref, .layerCount = 1, .levelCount = 1, }, }; ff_vk_exec_update_frame(&ctx->s, exec, ref, &img_bar[nb_img_bar], &nb_img_bar); } } } else if (vp->decode_info.referenceSlotCount || vp->img_view_out != vp->img_view_ref) { /* Single barrier for a single layered ref */ err = ff_vk_exec_add_dep_frame(&ctx->s, exec, ctx->common.layered_frame, VK_PIPELINE_STAGE_2_VIDEO_DECODE_BIT_KHR, VK_PIPELINE_STAGE_2_VIDEO_DECODE_BIT_KHR); if (err < 0) return err; } /* Change image layout */ vk->CmdPipelineBarrier2(cmd_buf, &(VkDependencyInfo) { .sType = VK_STRUCTURE_TYPE_DEPENDENCY_INFO, .dependencyFlags = VK_DEPENDENCY_BY_REGION_BIT, .pImageMemoryBarriers = img_bar, .imageMemoryBarrierCount = nb_img_bar, }); /* Start, use parameters, decode and end decoding */ vk->CmdBeginVideoCodingKHR(cmd_buf, &decode_start); /* Start status query */ if (ctx->exec_pool.nb_queries) vk->CmdBeginQuery(cmd_buf, ctx->exec_pool.query_pool, exec->query_idx + 0, 0); vk->CmdDecodeVideoKHR(cmd_buf, &vp->decode_info); /* End status query */ if (ctx->exec_pool.nb_queries) vk->CmdEndQuery(cmd_buf, ctx->exec_pool.query_pool, exec->query_idx + 0); vk->CmdEndVideoCodingKHR(cmd_buf, &decode_end); /* End recording and submit for execution */ return ff_vk_exec_submit(&ctx->s, exec); } void ff_vk_decode_free_frame(AVHWDeviceContext *dev_ctx, FFVulkanDecodePicture *vp) { AVVulkanDeviceContext *hwctx = dev_ctx->hwctx; VkSemaphoreWaitInfo sem_wait = (VkSemaphoreWaitInfo) { .sType = VK_STRUCTURE_TYPE_SEMAPHORE_WAIT_INFO, .pSemaphores = &vp->sem, .pValues = &vp->sem_value, .semaphoreCount = 1, }; /* We do not have to lock the frame here because we're not interested * in the actual current semaphore value, but only that it's later than * the time we submitted the image for decoding. */ if (vp->sem) vp->wait_semaphores(hwctx->act_dev, &sem_wait, UINT64_MAX); /* Free slices data */ av_buffer_unref(&vp->slices_buf); /* Destroy image view (out) */ if (vp->img_view_out && vp->img_view_out != vp->img_view_dest) vp->destroy_image_view(hwctx->act_dev, vp->img_view_out, hwctx->alloc); /* Destroy image view (ref, unlayered) */ if (vp->img_view_dest) vp->destroy_image_view(hwctx->act_dev, vp->img_view_dest, hwctx->alloc); av_frame_free(&vp->dpb_frame); } static void free_common(AVRefStructOpaque unused, void *obj) { FFVulkanDecodeShared *ctx = obj; FFVulkanContext *s = &ctx->s; FFVulkanFunctions *vk = &ctx->s.vkfn; /* Wait on and free execution pool */ ff_vk_exec_pool_free(&ctx->s, &ctx->exec_pool); /* This also frees all references from this pool */ av_frame_free(&ctx->common.layered_frame); /* Destroy parameters */ if (ctx->empty_session_params) vk->DestroyVideoSessionParametersKHR(s->hwctx->act_dev, ctx->empty_session_params, s->hwctx->alloc); av_buffer_pool_uninit(&ctx->buf_pool); ff_vk_video_common_uninit(s, &ctx->common); ff_vk_uninit(s); } static int vulkan_decode_bootstrap(AVCodecContext *avctx, AVBufferRef *frames_ref) { int err; FFVulkanDecodeContext *dec = avctx->internal->hwaccel_priv_data; AVHWFramesContext *frames = (AVHWFramesContext *)frames_ref->data; AVHWDeviceContext *device = (AVHWDeviceContext *)frames->device_ref->data; AVVulkanDeviceContext *hwctx = device->hwctx; FFVulkanDecodeShared *ctx; if (dec->shared_ctx) return 0; dec->shared_ctx = av_refstruct_alloc_ext(sizeof(*ctx), 0, NULL, free_common); if (!dec->shared_ctx) return AVERROR(ENOMEM); ctx = dec->shared_ctx; ctx->s.extensions = ff_vk_extensions_to_mask(hwctx->enabled_dev_extensions, hwctx->nb_enabled_dev_extensions); if (!(ctx->s.extensions & FF_VK_EXT_VIDEO_DECODE_QUEUE)) { av_log(avctx, AV_LOG_ERROR, "Device does not support the %s extension!\n", VK_KHR_VIDEO_DECODE_QUEUE_EXTENSION_NAME); av_refstruct_unref(&dec->shared_ctx); return AVERROR(ENOSYS); } err = ff_vk_load_functions(device, &ctx->s.vkfn, ctx->s.extensions, 1, 1); if (err < 0) { av_refstruct_unref(&dec->shared_ctx); return err; } return 0; } static VkResult vulkan_setup_profile(AVCodecContext *avctx, FFVulkanDecodeProfileData *prof, AVVulkanDeviceContext *hwctx, FFVulkanFunctions *vk, const FFVulkanDecodeDescriptor *vk_desc, VkVideoDecodeH264CapabilitiesKHR *h264_caps, VkVideoDecodeH265CapabilitiesKHR *h265_caps, VkVideoDecodeAV1CapabilitiesKHR *av1_caps, VkVideoCapabilitiesKHR *caps, VkVideoDecodeCapabilitiesKHR *dec_caps, int cur_profile) { VkVideoDecodeUsageInfoKHR *usage = &prof->usage; VkVideoProfileInfoKHR *profile = &prof->profile; VkVideoProfileListInfoKHR *profile_list = &prof->profile_list; VkVideoDecodeH264ProfileInfoKHR *h264_profile = &prof->h264_profile; VkVideoDecodeH265ProfileInfoKHR *h265_profile = &prof->h265_profile; VkVideoDecodeAV1ProfileInfoKHR *av1_profile = &prof->av1_profile; const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->sw_pix_fmt); if (!desc) return AVERROR(EINVAL); if (avctx->codec_id == AV_CODEC_ID_H264) { dec_caps->pNext = h264_caps; usage->pNext = h264_profile; h264_profile->sType = VK_STRUCTURE_TYPE_VIDEO_DECODE_H264_PROFILE_INFO_KHR; /* Vulkan transmits all the constrant_set flags, rather than wanting them * merged in the profile IDC */ h264_profile->stdProfileIdc = cur_profile & ~(AV_PROFILE_H264_CONSTRAINED | AV_PROFILE_H264_INTRA); h264_profile->pictureLayout = avctx->field_order == AV_FIELD_UNKNOWN || avctx->field_order == AV_FIELD_PROGRESSIVE ? VK_VIDEO_DECODE_H264_PICTURE_LAYOUT_PROGRESSIVE_KHR : VK_VIDEO_DECODE_H264_PICTURE_LAYOUT_INTERLACED_INTERLEAVED_LINES_BIT_KHR; } else if (avctx->codec_id == AV_CODEC_ID_H265) { dec_caps->pNext = h265_caps; usage->pNext = h265_profile; h265_profile->sType = VK_STRUCTURE_TYPE_VIDEO_DECODE_H265_PROFILE_INFO_KHR; h265_profile->stdProfileIdc = cur_profile; } else if (avctx->codec_id == AV_CODEC_ID_AV1) { dec_caps->pNext = av1_caps; usage->pNext = av1_profile; av1_profile->sType = VK_STRUCTURE_TYPE_VIDEO_DECODE_AV1_PROFILE_INFO_KHR; av1_profile->stdProfile = cur_profile; av1_profile->filmGrainSupport = !(avctx->export_side_data & AV_CODEC_EXPORT_DATA_FILM_GRAIN); } usage->sType = VK_STRUCTURE_TYPE_VIDEO_DECODE_USAGE_INFO_KHR; usage->videoUsageHints = VK_VIDEO_DECODE_USAGE_DEFAULT_KHR; profile->sType = VK_STRUCTURE_TYPE_VIDEO_PROFILE_INFO_KHR; profile->pNext = usage; profile->videoCodecOperation = vk_desc->decode_op; profile->chromaSubsampling = ff_vk_subsampling_from_av_desc(desc); profile->lumaBitDepth = ff_vk_depth_from_av_depth(desc->comp[0].depth); profile->chromaBitDepth = profile->lumaBitDepth; profile_list->sType = VK_STRUCTURE_TYPE_VIDEO_PROFILE_LIST_INFO_KHR; profile_list->profileCount = 1; profile_list->pProfiles = profile; /* Get the capabilities of the decoder for the given profile */ caps->sType = VK_STRUCTURE_TYPE_VIDEO_CAPABILITIES_KHR; caps->pNext = dec_caps; dec_caps->sType = VK_STRUCTURE_TYPE_VIDEO_DECODE_CAPABILITIES_KHR; /* dec_caps->pNext already filled in */ return vk->GetPhysicalDeviceVideoCapabilitiesKHR(hwctx->phys_dev, profile, caps); } static int vulkan_decode_get_profile(AVCodecContext *avctx, AVBufferRef *frames_ref, enum AVPixelFormat *pix_fmt, VkFormat *vk_fmt, FFVulkanDecodeProfileData *prof, int *dpb_dedicate) { VkResult ret; int max_level, base_profile, cur_profile; const FFVulkanDecodeDescriptor *vk_desc = get_codecdesc(avctx->codec_id); AVHWFramesContext *frames = (AVHWFramesContext *)frames_ref->data; AVHWDeviceContext *device = (AVHWDeviceContext *)frames->device_ref->data; AVVulkanDeviceContext *hwctx = device->hwctx; enum AVPixelFormat source_format; enum AVPixelFormat best_format; VkFormat best_vkfmt; FFVulkanDecodeContext *dec = avctx->internal->hwaccel_priv_data; FFVulkanDecodeShared *ctx = dec->shared_ctx; FFVulkanFunctions *vk = &ctx->s.vkfn; VkVideoCapabilitiesKHR *caps = &ctx->caps; VkVideoDecodeCapabilitiesKHR *dec_caps = &ctx->dec_caps; VkVideoDecodeH264CapabilitiesKHR h264_caps = { .sType = VK_STRUCTURE_TYPE_VIDEO_DECODE_H264_CAPABILITIES_KHR, }; VkVideoDecodeH265CapabilitiesKHR h265_caps = { .sType = VK_STRUCTURE_TYPE_VIDEO_DECODE_H265_CAPABILITIES_KHR, }; VkVideoDecodeAV1CapabilitiesKHR av1_caps = { .sType = VK_STRUCTURE_TYPE_VIDEO_DECODE_AV1_CAPABILITIES_KHR, }; VkPhysicalDeviceVideoFormatInfoKHR fmt_info = { .sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_VIDEO_FORMAT_INFO_KHR, .pNext = &prof->profile_list, }; VkVideoFormatPropertiesKHR *ret_info; uint32_t nb_out_fmts = 0; if (!(vk_desc->decode_extension & ctx->s.extensions)) { av_log(avctx, AV_LOG_ERROR, "Device does not support decoding %s!\n", avcodec_get_name(avctx->codec_id)); return AVERROR(ENOSYS); } cur_profile = avctx->profile; base_profile = avctx->codec_id == AV_CODEC_ID_H264 ? AV_PROFILE_H264_CONSTRAINED_BASELINE : avctx->codec_id == AV_CODEC_ID_H265 ? AV_PROFILE_HEVC_MAIN : avctx->codec_id == AV_CODEC_ID_AV1 ? STD_VIDEO_AV1_PROFILE_MAIN : 0; ret = vulkan_setup_profile(avctx, prof, hwctx, vk, vk_desc, &h264_caps, &h265_caps, &av1_caps, caps, dec_caps, cur_profile); if (ret == VK_ERROR_VIDEO_PROFILE_OPERATION_NOT_SUPPORTED_KHR && avctx->flags & AV_HWACCEL_FLAG_ALLOW_PROFILE_MISMATCH && avctx->profile != base_profile) { av_log(avctx, AV_LOG_VERBOSE, "%s profile %s not supported, attempting " "again with profile %s\n", avcodec_get_name(avctx->codec_id), avcodec_profile_name(avctx->codec_id, cur_profile), avcodec_profile_name(avctx->codec_id, base_profile)); cur_profile = base_profile; ret = vulkan_setup_profile(avctx, prof, hwctx, vk, vk_desc, &h264_caps, &h265_caps, &av1_caps, caps, dec_caps, cur_profile); } if (ret == VK_ERROR_VIDEO_PROFILE_OPERATION_NOT_SUPPORTED_KHR) { av_log(avctx, AV_LOG_VERBOSE, "Unable to initialize video session: " "%s profile \"%s\" not supported!\n", avcodec_get_name(avctx->codec_id), avcodec_profile_name(avctx->codec_id, cur_profile)); return AVERROR(EINVAL); } else if (ret == VK_ERROR_VIDEO_PROFILE_FORMAT_NOT_SUPPORTED_KHR) { av_log(avctx, AV_LOG_VERBOSE, "Unable to initialize video session: " "format (%s) not supported!\n", av_get_pix_fmt_name(avctx->sw_pix_fmt)); return AVERROR(EINVAL); } else if (ret == VK_ERROR_FEATURE_NOT_PRESENT || ret == VK_ERROR_FORMAT_NOT_SUPPORTED) { return AVERROR(EINVAL); } else if (ret != VK_SUCCESS) { return AVERROR_EXTERNAL; } max_level = avctx->codec_id == AV_CODEC_ID_H264 ? ff_vk_h264_level_to_av(h264_caps.maxLevelIdc) : avctx->codec_id == AV_CODEC_ID_H265 ? ff_vk_h265_level_to_av(h265_caps.maxLevelIdc) : avctx->codec_id == AV_CODEC_ID_AV1 ? av1_caps.maxLevel : 0; av_log(avctx, AV_LOG_VERBOSE, "Decoder capabilities for %s profile \"%s\":\n", avcodec_get_name(avctx->codec_id), avcodec_profile_name(avctx->codec_id, cur_profile)); av_log(avctx, AV_LOG_VERBOSE, " Maximum level: %i (stream %i)\n", max_level, avctx->level); av_log(avctx, AV_LOG_VERBOSE, " Width: from %i to %i\n", caps->minCodedExtent.width, caps->maxCodedExtent.width); av_log(avctx, AV_LOG_VERBOSE, " Height: from %i to %i\n", caps->minCodedExtent.height, caps->maxCodedExtent.height); av_log(avctx, AV_LOG_VERBOSE, " Width alignment: %i\n", caps->pictureAccessGranularity.width); av_log(avctx, AV_LOG_VERBOSE, " Height alignment: %i\n", caps->pictureAccessGranularity.height); av_log(avctx, AV_LOG_VERBOSE, " Bitstream offset alignment: %"PRIu64"\n", caps->minBitstreamBufferOffsetAlignment); av_log(avctx, AV_LOG_VERBOSE, " Bitstream size alignment: %"PRIu64"\n", caps->minBitstreamBufferSizeAlignment); av_log(avctx, AV_LOG_VERBOSE, " Maximum references: %u\n", caps->maxDpbSlots); av_log(avctx, AV_LOG_VERBOSE, " Maximum active references: %u\n", caps->maxActiveReferencePictures); av_log(avctx, AV_LOG_VERBOSE, " Codec header name: '%s' (driver), '%s' (compiled)\n", caps->stdHeaderVersion.extensionName, vk_desc->ext_props.extensionName); av_log(avctx, AV_LOG_VERBOSE, " Codec header version: %i.%i.%i (driver), %i.%i.%i (compiled)\n", CODEC_VER(caps->stdHeaderVersion.specVersion), CODEC_VER(vk_desc->ext_props.specVersion)); av_log(avctx, AV_LOG_VERBOSE, " Decode modes:%s%s%s\n", dec_caps->flags ? "" : " invalid", dec_caps->flags & VK_VIDEO_DECODE_CAPABILITY_DPB_AND_OUTPUT_COINCIDE_BIT_KHR ? " reuse_dst_dpb" : "", dec_caps->flags & VK_VIDEO_DECODE_CAPABILITY_DPB_AND_OUTPUT_DISTINCT_BIT_KHR ? " dedicated_dpb" : ""); av_log(avctx, AV_LOG_VERBOSE, " Capability flags:%s%s%s\n", caps->flags ? "" : " none", caps->flags & VK_VIDEO_CAPABILITY_PROTECTED_CONTENT_BIT_KHR ? " protected" : "", caps->flags & VK_VIDEO_CAPABILITY_SEPARATE_REFERENCE_IMAGES_BIT_KHR ? " separate_references" : ""); /* Check if decoding is possible with the given parameters */ if (avctx->coded_width < caps->minCodedExtent.width || avctx->coded_height < caps->minCodedExtent.height || avctx->coded_width > caps->maxCodedExtent.width || avctx->coded_height > caps->maxCodedExtent.height) return AVERROR(EINVAL); if (!(avctx->hwaccel_flags & AV_HWACCEL_FLAG_IGNORE_LEVEL) && avctx->level > max_level) return AVERROR(EINVAL); /* Some basic sanity checking */ if (!(dec_caps->flags & (VK_VIDEO_DECODE_CAPABILITY_DPB_AND_OUTPUT_COINCIDE_BIT_KHR | VK_VIDEO_DECODE_CAPABILITY_DPB_AND_OUTPUT_DISTINCT_BIT_KHR))) { av_log(avctx, AV_LOG_ERROR, "Buggy driver signals invalid decoding mode: neither " "VK_VIDEO_DECODE_CAPABILITY_DPB_AND_OUTPUT_COINCIDE_BIT_KHR nor " "VK_VIDEO_DECODE_CAPABILITY_DPB_AND_OUTPUT_DISTINCT_BIT_KHR are set!\n"); return AVERROR_EXTERNAL; } else if ((dec_caps->flags & (VK_VIDEO_DECODE_CAPABILITY_DPB_AND_OUTPUT_COINCIDE_BIT_KHR | VK_VIDEO_DECODE_CAPABILITY_DPB_AND_OUTPUT_DISTINCT_BIT_KHR) == VK_VIDEO_DECODE_CAPABILITY_DPB_AND_OUTPUT_COINCIDE_BIT_KHR) && !(caps->flags & VK_VIDEO_CAPABILITY_SEPARATE_REFERENCE_IMAGES_BIT_KHR)) { av_log(avctx, AV_LOG_ERROR, "Cannot initialize Vulkan decoding session, buggy driver: " "VK_VIDEO_DECODE_CAPABILITY_DPB_AND_OUTPUT_COINCIDE_BIT_KHR set " "but VK_VIDEO_CAPABILITY_SEPARATE_REFERENCE_IMAGES_BIT_KHR is unset!\n"); return AVERROR_EXTERNAL; } dec->dedicated_dpb = !(dec_caps->flags & VK_VIDEO_DECODE_CAPABILITY_DPB_AND_OUTPUT_COINCIDE_BIT_KHR); ctx->common.layered_dpb = !dec->dedicated_dpb ? 0 : !(caps->flags & VK_VIDEO_CAPABILITY_SEPARATE_REFERENCE_IMAGES_BIT_KHR); if (dec->dedicated_dpb) { fmt_info.imageUsage = VK_IMAGE_USAGE_VIDEO_DECODE_DPB_BIT_KHR; } else { fmt_info.imageUsage = VK_IMAGE_USAGE_VIDEO_DECODE_DPB_BIT_KHR | VK_IMAGE_USAGE_VIDEO_DECODE_DST_BIT_KHR | VK_IMAGE_USAGE_TRANSFER_SRC_BIT | VK_IMAGE_USAGE_SAMPLED_BIT; if (ctx->s.extensions & (FF_VK_EXT_VIDEO_ENCODE_QUEUE | FF_VK_EXT_VIDEO_MAINTENANCE_1)) fmt_info.imageUsage |= VK_IMAGE_USAGE_VIDEO_ENCODE_SRC_BIT_KHR; } /* Get the format of the images necessary */ ret = vk->GetPhysicalDeviceVideoFormatPropertiesKHR(hwctx->phys_dev, &fmt_info, &nb_out_fmts, NULL); if (ret == VK_ERROR_FORMAT_NOT_SUPPORTED || (!nb_out_fmts && ret == VK_SUCCESS)) { return AVERROR(EINVAL); } else if (ret != VK_SUCCESS) { av_log(avctx, AV_LOG_ERROR, "Unable to get Vulkan format properties: %s!\n", ff_vk_ret2str(ret)); return AVERROR_EXTERNAL; } ret_info = av_mallocz(sizeof(*ret_info)*nb_out_fmts); if (!ret_info) return AVERROR(ENOMEM); for (int i = 0; i < nb_out_fmts; i++) ret_info[i].sType = VK_STRUCTURE_TYPE_VIDEO_FORMAT_PROPERTIES_KHR; ret = vk->GetPhysicalDeviceVideoFormatPropertiesKHR(hwctx->phys_dev, &fmt_info, &nb_out_fmts, ret_info); if (ret == VK_ERROR_FORMAT_NOT_SUPPORTED || (!nb_out_fmts && ret == VK_SUCCESS)) { av_free(ret_info); return AVERROR(EINVAL); } else if (ret != VK_SUCCESS) { av_log(avctx, AV_LOG_ERROR, "Unable to get Vulkan format properties: %s!\n", ff_vk_ret2str(ret)); av_free(ret_info); return AVERROR_EXTERNAL; } /* Find a format to use */ *pix_fmt = best_format = AV_PIX_FMT_NONE; *vk_fmt = best_vkfmt = VK_FORMAT_UNDEFINED; source_format = avctx->sw_pix_fmt; av_log(avctx, AV_LOG_DEBUG, "Choosing best pixel format for decoding from %i:\n", nb_out_fmts); for (int i = 0; i < nb_out_fmts; i++) { enum AVPixelFormat tmp = ff_vk_pix_fmt_from_vkfmt(ret_info[i].format); if (tmp == AV_PIX_FMT_NONE) { av_log(avctx, AV_LOG_WARNING, "Invalid/unknown Vulkan format %i!\n", ret_info[i].format); continue; } best_format = av_find_best_pix_fmt_of_2(tmp, best_format, source_format, 0, NULL); if (tmp == best_format) best_vkfmt = ret_info[i].format; av_log(avctx, AV_LOG_DEBUG, " %s%s (Vulkan ID: %i)\n", av_get_pix_fmt_name(tmp), tmp == best_format ? "*" : "", ret_info[i].format); } av_free(ret_info); if (best_format == AV_PIX_FMT_NONE) { av_log(avctx, AV_LOG_ERROR, "No valid/compatible pixel format found for decoding!\n"); return AVERROR(EINVAL); } else { av_log(avctx, AV_LOG_VERBOSE, "Chosen frame pixfmt: %s (Vulkan ID: %i)\n", av_get_pix_fmt_name(best_format), best_vkfmt); } *pix_fmt = best_format; *vk_fmt = best_vkfmt; *dpb_dedicate = dec->dedicated_dpb; return 0; } static void free_profile_data(AVHWFramesContext *hwfc) { av_free(hwfc->user_opaque); } int ff_vk_frame_params(AVCodecContext *avctx, AVBufferRef *hw_frames_ctx) { VkFormat vkfmt; int err, dedicated_dpb; AVHWFramesContext *frames_ctx = (AVHWFramesContext*)hw_frames_ctx->data; AVVulkanFramesContext *hwfc = frames_ctx->hwctx; FFVulkanDecodeContext *dec = avctx->internal->hwaccel_priv_data; FFVulkanDecodeProfileData *prof; FFVulkanDecodeShared *ctx; frames_ctx->sw_format = AV_PIX_FMT_NONE; err = vulkan_decode_bootstrap(avctx, hw_frames_ctx); if (err < 0) return err; prof = av_mallocz(sizeof(FFVulkanDecodeProfileData)); if (!prof) return AVERROR(ENOMEM); err = vulkan_decode_get_profile(avctx, hw_frames_ctx, &frames_ctx->sw_format, &vkfmt, prof, &dedicated_dpb); if (err < 0) { av_free(prof); return err; } frames_ctx->user_opaque = prof; frames_ctx->free = free_profile_data; frames_ctx->width = avctx->coded_width; frames_ctx->height = avctx->coded_height; frames_ctx->format = AV_PIX_FMT_VULKAN; hwfc->format[0] = vkfmt; hwfc->create_pnext = &prof->profile_list; hwfc->tiling = VK_IMAGE_TILING_OPTIMAL; hwfc->usage = VK_IMAGE_USAGE_TRANSFER_SRC_BIT | VK_IMAGE_USAGE_SAMPLED_BIT | VK_IMAGE_USAGE_VIDEO_DECODE_DST_BIT_KHR; if (!dec->dedicated_dpb) hwfc->usage |= VK_IMAGE_USAGE_VIDEO_DECODE_DPB_BIT_KHR; ctx = dec->shared_ctx; if (ctx->s.extensions & (FF_VK_EXT_VIDEO_ENCODE_QUEUE | FF_VK_EXT_VIDEO_MAINTENANCE_1)) hwfc->usage |= VK_IMAGE_USAGE_VIDEO_ENCODE_SRC_BIT_KHR; return err; } static void vk_decode_free_params(void *opaque, uint8_t *data) { FFVulkanDecodeShared *ctx = opaque; FFVulkanFunctions *vk = &ctx->s.vkfn; VkVideoSessionParametersKHR *par = (VkVideoSessionParametersKHR *)data; vk->DestroyVideoSessionParametersKHR(ctx->s.hwctx->act_dev, *par, ctx->s.hwctx->alloc); av_free(par); } int ff_vk_decode_create_params(AVBufferRef **par_ref, void *logctx, FFVulkanDecodeShared *ctx, const VkVideoSessionParametersCreateInfoKHR *session_params_create) { VkVideoSessionParametersKHR *par = av_malloc(sizeof(*par)); const FFVulkanFunctions *vk = &ctx->s.vkfn; VkResult ret; if (!par) return AVERROR(ENOMEM); /* Create session parameters */ ret = vk->CreateVideoSessionParametersKHR(ctx->s.hwctx->act_dev, session_params_create, ctx->s.hwctx->alloc, par); if (ret != VK_SUCCESS) { av_log(logctx, AV_LOG_ERROR, "Unable to create Vulkan video session parameters: %s!\n", ff_vk_ret2str(ret)); av_free(par); return AVERROR_EXTERNAL; } *par_ref = av_buffer_create((uint8_t *)par, sizeof(*par), vk_decode_free_params, ctx, 0); if (!*par_ref) { vk_decode_free_params(ctx, (uint8_t *)par); return AVERROR(ENOMEM); } return 0; } int ff_vk_decode_uninit(AVCodecContext *avctx) { FFVulkanDecodeContext *dec = avctx->internal->hwaccel_priv_data; av_freep(&dec->hevc_headers); av_buffer_unref(&dec->session_params); av_refstruct_unref(&dec->shared_ctx); av_freep(&dec->slice_off); return 0; } int ff_vk_decode_init(AVCodecContext *avctx) { int err, nb_q = 0; VkResult ret; FFVulkanDecodeContext *dec = avctx->internal->hwaccel_priv_data; FFVulkanDecodeShared *ctx; FFVulkanContext *s; FFVulkanFunctions *vk; const VkVideoProfileInfoKHR *profile; const FFVulkanDecodeDescriptor *vk_desc; const VkPhysicalDeviceDriverProperties *driver_props; VkVideoDecodeH264SessionParametersCreateInfoKHR h264_params = { .sType = VK_STRUCTURE_TYPE_VIDEO_DECODE_H264_SESSION_PARAMETERS_CREATE_INFO_KHR, }; VkVideoDecodeH265SessionParametersCreateInfoKHR h265_params = { .sType = VK_STRUCTURE_TYPE_VIDEO_DECODE_H265_SESSION_PARAMETERS_CREATE_INFO_KHR, }; StdVideoAV1SequenceHeader av1_empty_seq = { 0 }; VkVideoDecodeAV1SessionParametersCreateInfoKHR av1_params = { .sType = VK_STRUCTURE_TYPE_VIDEO_DECODE_AV1_SESSION_PARAMETERS_CREATE_INFO_KHR, .pStdSequenceHeader = &av1_empty_seq, }; VkVideoSessionParametersCreateInfoKHR session_params_create = { .sType = VK_STRUCTURE_TYPE_VIDEO_SESSION_PARAMETERS_CREATE_INFO_KHR, .pNext = avctx->codec_id == AV_CODEC_ID_H264 ? (void *)&h264_params : avctx->codec_id == AV_CODEC_ID_HEVC ? (void *)&h265_params : avctx->codec_id == AV_CODEC_ID_AV1 ? (void *)&av1_params : NULL, }; VkVideoSessionCreateInfoKHR session_create = { .sType = VK_STRUCTURE_TYPE_VIDEO_SESSION_CREATE_INFO_KHR, }; err = ff_decode_get_hw_frames_ctx(avctx, AV_HWDEVICE_TYPE_VULKAN); if (err < 0) return err; /* Initialize contexts */ ctx = dec->shared_ctx; s = &ctx->s; vk = &ctx->s.vkfn; err = ff_vk_init(s, avctx, NULL, avctx->hw_frames_ctx); if (err < 0) return err; profile = get_video_profile(ctx, avctx->codec_id); if (!profile) { av_log(avctx, AV_LOG_ERROR, "Video profile missing from frames context!"); return AVERROR(EINVAL); } /* Create queue context */ vk_desc = get_codecdesc(avctx->codec_id); ctx->qf = ff_vk_qf_find(s, vk_desc->queue_flags, vk_desc->decode_op); if (!ctx->qf) { av_log(avctx, AV_LOG_ERROR, "Decoding of %s is not supported by this device\n", avcodec_get_name(avctx->codec_id)); return err; } /* Enable queries if supported and usable */ if (s->query_props[ctx->qf->idx].queryResultStatusSupport) nb_q = 1; session_create.flags = 0x0; session_create.queueFamilyIndex = ctx->qf->idx; session_create.maxCodedExtent = ctx->caps.maxCodedExtent; session_create.maxDpbSlots = ctx->caps.maxDpbSlots; session_create.maxActiveReferencePictures = ctx->caps.maxActiveReferencePictures; session_create.pictureFormat = s->hwfc->format[0]; session_create.referencePictureFormat = session_create.pictureFormat; session_create.pStdHeaderVersion = &vk_desc->ext_props; session_create.pVideoProfile = profile; /* Create decode exec context for this specific main thread. * 2 async contexts per thread was experimentally determined to be optimal * for a majority of streams. */ err = ff_vk_exec_pool_init(s, ctx->qf, &ctx->exec_pool, FFMAX(2*ctx->qf->num, avctx->thread_count), nb_q, VK_QUERY_TYPE_RESULT_STATUS_ONLY_KHR, 0, profile); if (err < 0) goto fail; err = ff_vk_video_common_init(avctx, s, &ctx->common, &session_create); if (err < 0) goto fail; /* If doing an out-of-place decoding, create a DPB pool */ if (dec->dedicated_dpb || avctx->codec_id == AV_CODEC_ID_AV1) { AVHWFramesContext *dpb_frames; AVVulkanFramesContext *dpb_hwfc; ctx->common.dpb_hwfc_ref = av_hwframe_ctx_alloc(s->frames->device_ref); if (!ctx->common.dpb_hwfc_ref) { err = AVERROR(ENOMEM); goto fail; } dpb_frames = (AVHWFramesContext *)ctx->common.dpb_hwfc_ref->data; dpb_frames->format = s->frames->format; dpb_frames->sw_format = s->frames->sw_format; dpb_frames->width = avctx->coded_width; dpb_frames->height = avctx->coded_height; dpb_hwfc = dpb_frames->hwctx; dpb_hwfc->create_pnext = (void *)ff_vk_find_struct(ctx->s.hwfc->create_pnext, VK_STRUCTURE_TYPE_VIDEO_PROFILE_LIST_INFO_KHR); dpb_hwfc->format[0] = s->hwfc->format[0]; dpb_hwfc->tiling = VK_IMAGE_TILING_OPTIMAL; dpb_hwfc->usage = VK_IMAGE_USAGE_VIDEO_DECODE_DPB_BIT_KHR | VK_IMAGE_USAGE_SAMPLED_BIT; /* Shuts validator up. */ if (ctx->common.layered_dpb) dpb_hwfc->nb_layers = ctx->caps.maxDpbSlots; err = av_hwframe_ctx_init(ctx->common.dpb_hwfc_ref); if (err < 0) goto fail; if (ctx->common.layered_dpb) { ctx->common.layered_frame = vk_get_dpb_pool(ctx); if (!ctx->common.layered_frame) { err = AVERROR(ENOMEM); goto fail; } err = ff_vk_create_view(&ctx->s, &ctx->common, &ctx->common.layered_view, &ctx->common.layered_aspect, (AVVkFrame *)ctx->common.layered_frame->data[0], s->hwfc->format[0], 1); if (err < 0) goto fail; } } session_params_create.videoSession = ctx->common.session; ret = vk->CreateVideoSessionParametersKHR(s->hwctx->act_dev, &session_params_create, s->hwctx->alloc, &ctx->empty_session_params); if (ret != VK_SUCCESS) { av_log(avctx, AV_LOG_ERROR, "Unable to create empty Vulkan video session parameters: %s!\n", ff_vk_ret2str(ret)); return AVERROR_EXTERNAL; } driver_props = &dec->shared_ctx->s.driver_props; if (driver_props->driverID == VK_DRIVER_ID_NVIDIA_PROPRIETARY && driver_props->conformanceVersion.major == 1 && driver_props->conformanceVersion.minor == 3 && driver_props->conformanceVersion.subminor == 8 && driver_props->conformanceVersion.patch < 3) dec->quirk_av1_offset = 1; ff_vk_decode_flush(avctx); av_log(avctx, AV_LOG_VERBOSE, "Vulkan decoder initialization sucessful\n"); return 0; fail: ff_vk_decode_uninit(avctx); return err; }