av1dec: add Vulkan hwaccel

1 files changed, 597 insertions, 0 deletions

diff --git a/libavcodec/vulkan_av1.c b/libavcodec/vulkan_av1.c
new file mode 100644
index 0000000000..5dc3e8919c
--- /dev/null
+++ b/libavcodec/vulkan_av1.c
@@ -0,0 +1,597 @@
+/*
+ * 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 "av1dec.h"
+
+#include "vulkan_decode.h"
+
+/* Maximum number of tiles specified by any defined level */
+#define MAX_TILES 256
+
+const VkExtensionProperties ff_vk_dec_av1_ext = {
+    .extensionName = VK_STD_VULKAN_VIDEO_CODEC_AV1_DECODE_EXTENSION_NAME,
+    .specVersion   = VK_STD_VULKAN_VIDEO_CODEC_AV1_DECODE_SPEC_VERSION,
+};
+
+typedef struct AV1VulkanDecodePicture {
+    FFVulkanDecodePicture           vp;
+
+    /* Workaround for a spec issue.
+     *Can be removed once no longer needed, and threading can be enabled. */
+    FFVulkanDecodeContext          *dec;
+
+    StdVideoAV1MESATile            tiles[MAX_TILES];
+    StdVideoAV1MESATileList        tile_list;
+    const uint32_t                *tile_offsets;
+
+    /* Current picture */
+    VkVideoDecodeAV1DpbSlotInfoMESA    vkav1_ref;
+    StdVideoAV1MESAFrameHeader         av1_frame_header;
+    VkVideoDecodeAV1PictureInfoMESA    av1_pic_info;
+
+    /* Picture refs */
+    const AV1Frame                     *ref_src   [AV1_NUM_REF_FRAMES];
+    VkVideoDecodeAV1DpbSlotInfoMESA     vkav1_refs[AV1_NUM_REF_FRAMES];
+
+    uint8_t frame_id_set;
+    uint8_t frame_id;
+} AV1VulkanDecodePicture;
+
+static int vk_av1_fill_pict(AVCodecContext *avctx, const AV1Frame **ref_src,
+                            VkVideoReferenceSlotInfoKHR *ref_slot,      /* Main structure */
+                            VkVideoPictureResourceInfoKHR *ref,         /* Goes in ^ */
+                            VkVideoDecodeAV1DpbSlotInfoMESA *vkav1_ref, /* Goes in ^ */
+                            const AV1Frame *pic, int is_current, int has_grain,
+                            int dpb_slot_index)
+{
+    FFVulkanDecodeContext *dec = avctx->internal->hwaccel_priv_data;
+    AV1VulkanDecodePicture *hp = pic->hwaccel_picture_private;
+    FFVulkanDecodePicture *vkpic = &hp->vp;
+
+    int err = ff_vk_decode_prepare_frame(dec, pic->f, vkpic, is_current,
+                                         has_grain || dec->dedicated_dpb);
+    if (err < 0)
+        return err;
+
+    *vkav1_ref = (VkVideoDecodeAV1DpbSlotInfoMESA) {
+        .sType = VK_STRUCTURE_TYPE_VIDEO_DECODE_AV1_DPB_SLOT_INFO_MESA,
+        .frameIdx = hp->frame_id,
+    };
+
+    for (unsigned i = 0; i < 7; i++) {
+        const int idx = pic->raw_frame_header->ref_frame_idx[i];
+        vkav1_ref->ref_order_hint[i] = pic->raw_frame_header->ref_order_hint[idx];
+    }
+
+    vkav1_ref->disable_frame_end_update_cdf = pic->raw_frame_header->disable_frame_end_update_cdf;
+
+    *ref = (VkVideoPictureResourceInfoKHR) {
+        .sType = VK_STRUCTURE_TYPE_VIDEO_PICTURE_RESOURCE_INFO_KHR,
+        .codedOffset = (VkOffset2D){ 0, 0 },
+        .codedExtent = (VkExtent2D){ pic->f->width, pic->f->height },
+        .baseArrayLayer = ((has_grain || dec->dedicated_dpb) && dec->layered_dpb) ?
+                          dpb_slot_index : 0,
+        .imageViewBinding = vkpic->img_view_ref,
+    };
+
+    *ref_slot = (VkVideoReferenceSlotInfoKHR) {
+        .sType = VK_STRUCTURE_TYPE_VIDEO_REFERENCE_SLOT_INFO_KHR,
+        .pNext = vkav1_ref,
+        .slotIndex = dpb_slot_index,
+        .pPictureResource = ref,
+    };
+
+    if (ref_src)
+        *ref_src = pic;
+
+    return 0;
+}
+
+static int vk_av1_create_params(AVCodecContext *avctx, AVBufferRef **buf)
+{
+    VkResult ret;
+
+    const AV1DecContext *s = avctx->priv_data;
+    FFVulkanDecodeContext *dec = avctx->internal->hwaccel_priv_data;
+    FFVulkanDecodeShared *ctx = (FFVulkanDecodeShared *)dec->shared_ref->data;
+    FFVulkanFunctions *vk = &ctx->s.vkfn;
+
+    const AV1RawSequenceHeader *seq = s->raw_seq;
+
+    StdVideoAV1MESASequenceHeader av1_sequence_header;
+    VkVideoDecodeAV1SessionParametersAddInfoMESA av1_params_info;
+    VkVideoDecodeAV1SessionParametersCreateInfoMESA av1_params;
+    VkVideoSessionParametersCreateInfoKHR session_params_create;
+
+    AVBufferRef *tmp;
+    VkVideoSessionParametersKHR *par = av_malloc(sizeof(*par));
+    if (!par)
+        return AVERROR(ENOMEM);
+
+    av1_sequence_header = (StdVideoAV1MESASequenceHeader) {
+        .flags = (StdVideoAV1MESASequenceHeaderFlags) {
+            .still_picture = seq->still_picture,
+            .reduced_still_picture_header = seq->reduced_still_picture_header,
+            .use_128x128_superblock = seq->use_128x128_superblock,
+            .enable_filter_intra = seq->enable_filter_intra,
+            .enable_intra_edge_filter = seq->enable_intra_edge_filter,
+            .enable_interintra_compound = seq->enable_interintra_compound,
+            .enable_masked_compound = seq->enable_masked_compound,
+            .enable_warped_motion = seq->enable_warped_motion,
+            .enable_dual_filter = seq->enable_dual_filter,
+            .enable_order_hint = seq->enable_order_hint,
+            .enable_jnt_comp = seq->enable_jnt_comp,
+            .enable_ref_frame_mvs = seq->enable_ref_frame_mvs,
+            .frame_id_numbers_present_flag = seq->frame_id_numbers_present_flag,
+            .enable_superres = seq->enable_superres,
+            .enable_cdef = seq->enable_cdef,
+            .enable_restoration = seq->enable_restoration,
+            .film_grain_params_present = seq->film_grain_params_present,
+            .timing_info_present_flag = seq->timing_info_present_flag,
+            .initial_display_delay_present_flag = seq->initial_display_delay_present_flag,
+        },
+        .seq_profile = seq->seq_profile,
+        .frame_width_bits_minus_1 = seq->frame_width_bits_minus_1,
+        .frame_height_bits_minus_1 = seq->frame_height_bits_minus_1,
+        .max_frame_width_minus_1 = seq->max_frame_width_minus_1,
+        .max_frame_height_minus_1 = seq->max_frame_height_minus_1,
+        .delta_frame_id_length_minus_2 = seq->delta_frame_id_length_minus_2,
+        .additional_frame_id_length_minus_1 = seq->additional_frame_id_length_minus_1,
+        .order_hint_bits_minus_1 = seq->order_hint_bits_minus_1,
+        .timing_info = (StdVideoAV1MESATimingInfo) {
+            .flags = (StdVideoAV1MESATimingInfoFlags) {
+                .equal_picture_interval = seq->timing_info.equal_picture_interval,
+            },
+            .num_units_in_display_tick = seq->timing_info.num_units_in_display_tick,
+            .time_scale = seq->timing_info.time_scale,
+            .num_ticks_per_picture_minus_1 = seq->timing_info.num_ticks_per_picture_minus_1,
+        },
+        .color_config = (StdVideoAV1MESAColorConfig) {
+            .flags = (StdVideoAV1MESAColorConfigFlags) {
+                .mono_chrome = seq->color_config.mono_chrome,
+                .color_range = seq->color_config.color_range,
+                .separate_uv_delta_q = seq->color_config.separate_uv_delta_q,
+            },
+            .bit_depth = seq->color_config.twelve_bit ? 12 :
+                         seq->color_config.high_bitdepth ? 10 : 8,
+            .subsampling_x = seq->color_config.subsampling_x,
+            .subsampling_y = seq->color_config.subsampling_y,
+        },
+    };
+
+    av1_params_info = (VkVideoDecodeAV1SessionParametersAddInfoMESA) {
+        .sType = VK_STRUCTURE_TYPE_VIDEO_DECODE_AV1_SESSION_PARAMETERS_ADD_INFO_MESA,
+        .sequence_header = &av1_sequence_header,
+    };
+    av1_params = (VkVideoDecodeAV1SessionParametersCreateInfoMESA) {
+        .sType = VK_STRUCTURE_TYPE_VIDEO_DECODE_AV1_SESSION_PARAMETERS_CREATE_INFO_MESA,
+        .pParametersAddInfo = &av1_params_info,
+    };
+    session_params_create = (VkVideoSessionParametersCreateInfoKHR) {
+        .sType = VK_STRUCTURE_TYPE_VIDEO_SESSION_PARAMETERS_CREATE_INFO_KHR,
+        .pNext = &av1_params,
+        .videoSession = ctx->common.session,
+        .videoSessionParametersTemplate = NULL,
+    };
+
+    /* 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(avctx, AV_LOG_ERROR, "Unable to create Vulkan video session parameters: %s!\n",
+               ff_vk_ret2str(ret));
+        return AVERROR_EXTERNAL;
+    }
+
+    tmp = av_buffer_create((uint8_t *)par, sizeof(*par), ff_vk_decode_free_params,
+                           ctx, 0);
+    if (!tmp) {
+        ff_vk_decode_free_params(ctx, (uint8_t *)par);
+        return AVERROR(ENOMEM);
+    }
+
+    av_log(avctx, AV_LOG_DEBUG, "Created frame parameters\n");
+
+    *buf = tmp;
+
+    return 0;
+}
+
+static int vk_av1_start_frame(AVCodecContext          *avctx,
+                              av_unused const uint8_t *buffer,
+                              av_unused uint32_t       size)
+{
+    int err;
+    int ref_count = 0;
+    AV1DecContext *s = avctx->priv_data;
+    const AV1Frame *pic = &s->cur_frame;
+    FFVulkanDecodeContext *dec = avctx->internal->hwaccel_priv_data;
+    AV1VulkanDecodePicture *ap = pic->hwaccel_picture_private;
+    FFVulkanDecodePicture *vp = &ap->vp;
+
+    const AV1RawFrameHeader *frame_header = s->raw_frame_header;
+    const AV1RawFilmGrainParams *film_grain = &s->cur_frame.film_grain;
+    const int apply_grain = !(avctx->export_side_data & AV_CODEC_EXPORT_DATA_FILM_GRAIN) &&
+                            film_grain->apply_grain;
+
+    if (!dec->session_params || dec->params_changed) {
+        av_buffer_unref(&dec->session_params);
+        err = vk_av1_create_params(avctx, &dec->session_params);
+        if (err < 0)
+            return err;
+        dec->params_changed = 0;
+    }
+
+    if (!ap->frame_id_set) {
+        unsigned slot_idx = 0;
+        for (unsigned i = 0; i < 32; i++) {
+            if (!(dec->frame_id_alloc_mask & (1 << i))) {
+                slot_idx = i;
+                break;
+            }
+        }
+        ap->frame_id = slot_idx;
+        ap->frame_id_set = 1;
+        dec->frame_id_alloc_mask |= (1 << slot_idx);
+    }
+
+    /* Fill in references */
+    for (int i = 0; i < AV1_NUM_REF_FRAMES; i++) {
+        const AV1Frame *ref_frame = &s->ref[i];
+        if (s->ref[i].f->pict_type == AV_PICTURE_TYPE_NONE)
+            continue;
+
+        err = vk_av1_fill_pict(avctx, &ap->ref_src[i], &vp->ref_slots[i],
+                               &vp->refs[i], &ap->vkav1_refs[i],
+                               ref_frame, 0, 0, i);
+        if (err < 0)
+            return err;
+
+        ref_count++;
+    }
+
+    err = vk_av1_fill_pict(avctx, NULL, &vp->ref_slot, &vp->ref,
+                           &ap->vkav1_ref,
+                           pic, 1, apply_grain, 8);
+    if (err < 0)
+        return err;
+
+    ap->tile_list.nb_tiles = 0;
+    ap->tile_list.tile_list = ap->tiles;
+
+    ap->av1_pic_info = (VkVideoDecodeAV1PictureInfoMESA) {
+        .sType = VK_STRUCTURE_TYPE_VIDEO_DECODE_AV1_PICTURE_INFO_MESA,
+        .frame_header = &ap->av1_frame_header,
+        .tile_list = &ap->tile_list,
+    };
+
+    vp->decode_info = (VkVideoDecodeInfoKHR) {
+        .sType = VK_STRUCTURE_TYPE_VIDEO_DECODE_INFO_KHR,
+        .pNext = &ap->av1_pic_info,
+        .flags = 0x0,
+        .pSetupReferenceSlot = &vp->ref_slot,
+        .referenceSlotCount = ref_count,
+        .pReferenceSlots = vp->ref_slots,
+        .dstPictureResource = (VkVideoPictureResourceInfoKHR) {
+            .sType = VK_STRUCTURE_TYPE_VIDEO_PICTURE_RESOURCE_INFO_KHR,
+            .codedOffset = (VkOffset2D){ 0, 0 },
+            .codedExtent = (VkExtent2D){ pic->f->width, pic->f->height },
+            .baseArrayLayer = 0,
+            .imageViewBinding = vp->img_view_out,
+        },
+    };
+
+    /* Setup frame header */
+    ap->av1_frame_header = (StdVideoAV1MESAFrameHeader) {
+        .flags = (StdVideoAV1MESAFrameHeaderFlags) {
+            .error_resilient_mode = frame_header->error_resilient_mode,
+            .disable_cdf_update = frame_header->disable_cdf_update,
+            .use_superres = frame_header->use_superres,
+            .render_and_frame_size_different = frame_header->render_and_frame_size_different,
+            .allow_screen_content_tools = frame_header->allow_screen_content_tools,
+            .is_filter_switchable = frame_header->is_filter_switchable,
+            .force_integer_mv = frame_header->force_integer_mv,
+            .frame_size_override_flag = frame_header->frame_size_override_flag,
+            .buffer_removal_time_present_flag = frame_header->buffer_removal_time_present_flag,
+            .allow_intrabc = frame_header->allow_intrabc,
+            .frame_refs_short_signaling = frame_header->frame_refs_short_signaling,
+            .allow_high_precision_mv = frame_header->allow_high_precision_mv,
+            .is_motion_mode_switchable = frame_header->is_motion_mode_switchable,
+            .use_ref_frame_mvs = frame_header->use_ref_frame_mvs,
+            .disable_frame_end_update_cdf = frame_header->disable_frame_end_update_cdf,
+            .allow_warped_motion = frame_header->allow_warped_motion,
+            .reduced_tx_set = frame_header->reduced_tx_set,
+            .reference_select = frame_header->reference_select,
+            .skip_mode_present = frame_header->skip_mode_present,
+            .delta_q_present = frame_header->delta_q_present,
+        },
+        .frame_to_show_map_idx = frame_header->frame_to_show_map_idx,
+        .frame_presentation_time = frame_header->frame_presentation_time,
+        .display_frame_id = frame_header->display_frame_id,
+        .frame_type = frame_header->frame_type,
+        .current_frame_id = frame_header->current_frame_id,
+        .order_hint = frame_header->order_hint,
+        .primary_ref_frame = frame_header->primary_ref_frame,
+        .frame_width_minus_1 = frame_header->frame_width_minus_1,
+        .frame_height_minus_1 = frame_header->frame_height_minus_1,
+        .coded_denom = frame_header->coded_denom,
+        .render_width_minus_1 = frame_header->render_width_minus_1,
+        .render_height_minus_1 = frame_header->render_height_minus_1,
+        .refresh_frame_flags = frame_header->refresh_frame_flags,
+        .interpolation_filter = frame_header->interpolation_filter,
+        .tx_mode = frame_header->tx_mode,
+        .tiling = (StdVideoAV1MESATileInfo) {
+            .flags = (StdVideoAV1MESATileInfoFlags) {
+                .uniform_tile_spacing_flag = frame_header->uniform_tile_spacing_flag,
+            },
+            .tile_cols = frame_header->tile_cols,
+            .tile_rows = frame_header->tile_rows,
+            .context_update_tile_id = frame_header->context_update_tile_id,
+            .tile_size_bytes_minus1 = frame_header->tile_size_bytes_minus1,
+        },
+        .quantization = (StdVideoAV1MESAQuantization) {
+            .flags.using_qmatrix = frame_header->using_qmatrix,
+            .base_q_idx = frame_header->base_q_idx,
+            .delta_q_y_dc = frame_header->delta_q_y_dc,
+            .diff_uv_delta = frame_header->diff_uv_delta,
+            .delta_q_u_dc = frame_header->delta_q_u_dc,
+            .delta_q_u_ac = frame_header->delta_q_u_ac,
+            .delta_q_v_dc = frame_header->delta_q_v_dc,
+            .delta_q_v_ac = frame_header->delta_q_v_ac,
+            .qm_y = frame_header->qm_y,
+            .qm_u = frame_header->qm_u,
+            .qm_v = frame_header->qm_v,
+        },
+        .delta_q = (StdVideoAV1MESADeltaQ) {
+            .flags = (StdVideoAV1MESADeltaQFlags) {
+                .delta_lf_present = frame_header->delta_lf_present,
+                .delta_lf_multi = frame_header->delta_lf_multi,
+            },
+            .delta_q_res = frame_header->delta_q_res,
+            .delta_lf_res = frame_header->delta_lf_res,
+        },
+        .loop_filter = (StdVideoAV1MESALoopFilter) {
+            .flags = (StdVideoAV1MESALoopFilterFlags) {
+                .delta_enabled = frame_header->loop_filter_delta_enabled,
+                .delta_update = frame_header->loop_filter_delta_update,
+            },
+            .level = {
+                frame_header->loop_filter_level[0], frame_header->loop_filter_level[1],
+                frame_header->loop_filter_level[2], frame_header->loop_filter_level[3],
+            },
+            .sharpness = frame_header->loop_filter_sharpness,
+            .mode_deltas = {
+                frame_header->loop_filter_mode_deltas[0], frame_header->loop_filter_mode_deltas[1],
+            },
+        },
+        .cdef = (StdVideoAV1MESACDEF) {
+            .damping_minus_3 = frame_header->cdef_damping_minus_3,
+            .bits = frame_header->cdef_bits,
+        },
+        .lr = (StdVideoAV1MESALoopRestoration) {
+            .lr_unit_shift = frame_header->lr_unit_shift,
+            .lr_uv_shift = frame_header->lr_uv_shift,
+            .lr_type = { frame_header->lr_type[0], frame_header->lr_type[1], frame_header->lr_type[2] },
+        },
+        .segmentation = (StdVideoAV1MESASegmentation) {
+            .flags = (StdVideoAV1MESASegmentationFlags) {
+                .enabled = frame_header->segmentation_enabled,
+                .update_map = frame_header->segmentation_update_map,
+                .temporal_update = frame_header->segmentation_temporal_update,
+                .update_data = frame_header->segmentation_update_data,
+            },
+        },
+        .film_grain = (StdVideoAV1MESAFilmGrainParameters) {
+            .flags = (StdVideoAV1MESAFilmGrainFlags) {
+                .apply_grain = apply_grain,
+                .chroma_scaling_from_luma = film_grain->chroma_scaling_from_luma,
+                .overlap_flag = film_grain->overlap_flag,
+                .clip_to_restricted_range = film_grain->clip_to_restricted_range,
+            },
+            .grain_scaling_minus_8 = film_grain->grain_scaling_minus_8,
+            .ar_coeff_lag = film_grain->ar_coeff_lag,
+            .ar_coeff_shift_minus_6 = film_grain->ar_coeff_shift_minus_6,
+            .grain_scale_shift = film_grain->grain_scale_shift,
+            .grain_seed = film_grain->grain_seed,
+            .num_y_points = film_grain->num_y_points,
+            .num_cb_points = film_grain->num_cb_points,
+            .num_cr_points = film_grain->num_cr_points,
+            .cb_mult = film_grain->cb_mult,
+            .cb_luma_mult = film_grain->cb_luma_mult,
+            .cb_offset = film_grain->cb_offset,
+            .cr_mult = film_grain->cr_mult,
+            .cr_luma_mult = film_grain->cr_luma_mult,
+            .cr_offset = film_grain->cr_offset,
+        },
+    };
+
+    for (int i = 0; i < 64; i++) {
+        ap->av1_frame_header.tiling.width_in_sbs_minus_1[i] = frame_header->width_in_sbs_minus_1[i];
+        ap->av1_frame_header.tiling.height_in_sbs_minus_1[i] = frame_header->height_in_sbs_minus_1[i];
+        ap->av1_frame_header.tiling.tile_start_col_sb[i] = frame_header->tile_start_col_sb[i];
+        ap->av1_frame_header.tiling.tile_start_row_sb[i] = frame_header->tile_start_row_sb[i];
+    }
+
+    for (int i = 0; i < 8; i++) {
+        ap->av1_frame_header.segmentation.feature_enabled_bits[i] = 0;
+        for (int j = 0; j < 8; j++) {
+            ap->av1_frame_header.segmentation.feature_enabled_bits[i] |= (frame_header->feature_enabled[i][j] << j);
+            ap->av1_frame_header.segmentation.feature_data[i][j] = frame_header->feature_value[i][j];
+        }
+
+        ap->av1_frame_header.loop_filter.ref_deltas[i] = frame_header->loop_filter_ref_deltas[i];
+
+        ap->av1_frame_header.cdef.y_pri_strength[i] = frame_header->cdef_y_pri_strength[i];
+        ap->av1_frame_header.cdef.y_sec_strength[i] = frame_header->cdef_y_sec_strength[i];
+        ap->av1_frame_header.cdef.uv_pri_strength[i] = frame_header->cdef_uv_pri_strength[i];
+        ap->av1_frame_header.cdef.uv_sec_strength[i] = frame_header->cdef_uv_sec_strength[i];
+
+        ap->av1_frame_header.ref_order_hint[i] = frame_header->ref_order_hint[i];
+        ap->av1_frame_header.global_motion[i] = (StdVideoAV1MESAGlobalMotion) {
+            .flags = (StdVideoAV1MESAGlobalMotionFlags) {
+                .gm_invalid = s->cur_frame.gm_invalid[i],
+            },
+            .gm_type = s->cur_frame.gm_type[i],
+            .gm_params = {
+                frame_header->gm_params[i][0], frame_header->gm_params[i][1],
+                frame_header->gm_params[i][2], frame_header->gm_params[i][3],
+                frame_header->gm_params[i][4], frame_header->gm_params[i][5],
+            },
+        };
+    }
+
+    for (int i = 0; i < 7; i++) {
+        ap->av1_frame_header.ref_frame_idx[i] = frame_header->ref_frame_idx[i];
+        ap->av1_frame_header.delta_frame_id_minus1[i] = frame_header->delta_frame_id_minus1[i];
+    }
+
+    ap->av1_pic_info.skip_mode_frame_idx[0] = s->cur_frame.skip_mode_frame_idx[0];
+    ap->av1_pic_info.skip_mode_frame_idx[1] = s->cur_frame.skip_mode_frame_idx[1];
+
+    if (apply_grain) {
+        for (int i = 0; i < 14; i++) {
+            ap->av1_frame_header.film_grain.point_y_value[i] = film_grain->point_y_value[i];
+            ap->av1_frame_header.film_grain.point_y_scaling[i] = film_grain->point_y_scaling[i];
+        }
+
+        for (int i = 0; i < 10; i++) {
+            ap->av1_frame_header.film_grain.point_cb_value[i] = film_grain->point_cb_value[i];
+            ap->av1_frame_header.film_grain.point_cb_scaling[i] = film_grain->point_cb_scaling[i];
+            ap->av1_frame_header.film_grain.point_cr_value[i] = film_grain->point_cr_value[i];
+            ap->av1_frame_header.film_grain.point_cr_scaling[i] = film_grain->point_cr_scaling[i];
+        }
+
+        for (int i = 0; i < 24; i++) {
+            ap->av1_frame_header.film_grain.ar_coeffs_y_plus_128[i] = film_grain->ar_coeffs_y_plus_128[i];
+            ap->av1_frame_header.film_grain.ar_coeffs_cb_plus_128[i] = film_grain->ar_coeffs_cb_plus_128[i];
+            ap->av1_frame_header.film_grain.ar_coeffs_cr_plus_128[i] = film_grain->ar_coeffs_cr_plus_128[i];
+        }
+
+        ap->av1_frame_header.film_grain.ar_coeffs_cb_plus_128[24] = film_grain->ar_coeffs_cb_plus_128[24];
+        ap->av1_frame_header.film_grain.ar_coeffs_cr_plus_128[24] = film_grain->ar_coeffs_cr_plus_128[24];
+    }
+
+    av_log(avctx, AV_LOG_DEBUG, "Created frame parameters");
+
+    /* Workaround for a spec issue. */
+    ap->dec = dec;
+
+    return 0;
+}
+
+static int vk_av1_decode_slice(AVCodecContext *avctx,
+                               const uint8_t  *data,
+                               uint32_t        size)
+{
+    int err;
+    const AV1DecContext *s = avctx->priv_data;
+    AV1VulkanDecodePicture *ap = s->cur_frame.hwaccel_picture_private;
+    FFVulkanDecodePicture *vp = &ap->vp;
+
+    for (int i = s->tg_start; i <= s->tg_end; i++) {
+        ap->tiles[ap->tile_list.nb_tiles] = (StdVideoAV1MESATile) {
+            .size     = s->tile_group_info[i].tile_size,
+            .offset   = s->tile_group_info[i].tile_offset,
+            .row      = s->tile_group_info[i].tile_row,
+            .column   = s->tile_group_info[i].tile_column,
+            .tg_start = s->tg_start,
+            .tg_end   = s->tg_end,
+        };
+
+        err = ff_vk_decode_add_slice(avctx, vp, data, size, 0,
+                                     &ap->tile_list.nb_tiles,
+                                     &ap->tile_offsets);
+        if (err < 0)
+            return err;
+
+//        ap->tiles[ap->tile_list.nb_tiles - 1].offset = ap->tile_offsets[ap->tile_list.nb_tiles - 1];
+    }
+
+    return 0;
+}
+
+static int vk_av1_end_frame(AVCodecContext *avctx)
+{
+    const AV1DecContext *s = avctx->priv_data;
+    const AV1Frame *pic = &s->cur_frame;
+    AV1VulkanDecodePicture *ap = pic->hwaccel_picture_private;
+    FFVulkanDecodePicture *vp = &ap->vp;
+    FFVulkanDecodePicture *rvp[AV1_NUM_REF_FRAMES] = { 0 };
+    AVFrame *rav[AV1_NUM_REF_FRAMES] = { 0 };
+
+    for (int i = 0; i < vp->decode_info.referenceSlotCount; i++) {
+        const AV1Frame *rp = ap->ref_src[i];
+        AV1VulkanDecodePicture *rhp = rp->hwaccel_picture_private;
+
+        rvp[i] = &rhp->vp;
+        rav[i] = ap->ref_src[i]->f;
+    }
+
+    av_log(avctx, AV_LOG_VERBOSE, "Decoding frame, %lu bytes, %i tiles\n",
+           vp->slices_size, ap->tile_list.nb_tiles);
+
+    return ff_vk_decode_frame(avctx, pic->f, vp, rav, rvp);
+}
+
+static void vk_av1_free_frame_priv(void *_hwctx, uint8_t *data)
+{
+    AVHWDeviceContext *hwctx = _hwctx;
+    AV1VulkanDecodePicture *ap = (AV1VulkanDecodePicture *)data;
+
+    /* Workaround for a spec issue. */
+    if (ap->frame_id_set)
+        ap->dec->frame_id_alloc_mask &= ~(1 << ap->frame_id);
+
+    /* Free frame resources, this also destroys the session parameters. */
+    ff_vk_decode_free_frame(hwctx, &ap->vp);
+
+    /* Free frame context */
+    av_free(ap);
+}
+
+const AVHWAccel ff_av1_vulkan_hwaccel = {
+    .name                  = "av1_vulkan",
+    .type                  = AVMEDIA_TYPE_VIDEO,
+    .id                    = AV_CODEC_ID_AV1,
+    .pix_fmt               = AV_PIX_FMT_VULKAN,
+    .start_frame           = &vk_av1_start_frame,
+    .decode_slice          = &vk_av1_decode_slice,
+    .end_frame             = &vk_av1_end_frame,
+    .free_frame_priv       = &vk_av1_free_frame_priv,
+    .frame_priv_data_size  = sizeof(AV1VulkanDecodePicture),
+    .init                  = &ff_vk_decode_init,
+    .update_thread_context = &ff_vk_update_thread_context,
+    .decode_params         = &ff_vk_params_changed,
+    .flush                 = &ff_vk_decode_flush,
+    .uninit                = &ff_vk_decode_uninit,
+    .frame_params          = &ff_vk_frame_params,
+    .priv_data_size        = sizeof(FFVulkanDecodeContext),
+
+    /* NOTE: Threading is intentionally disabled here. Due to the design of Vulkan,
+     * where frames are opaque to users, and mostly opaque for driver developers,
+     * there's an issue with current hardware accelerator implementations of AV1,
+     * where they require an internal index. With regular hwaccel APIs, this index
+     * is given to users as an opaque handle directly. With Vulkan, due to increased
+     * flexibility, this index cannot be present anywhere.
+     * The current implementation tracks the index for the driver and submits it
+     * as necessary information. Due to needing to modify the decoding context,
+     * which is not thread-safe, on frame free, threading is disabled.
+     * In the future, once this is fixed in the spec, the workarounds may be removed
+     * and threading enabled. */
+    .caps_internal         = HWACCEL_CAP_ASYNC_SAFE,
+};