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ffmpeg/libavcodec/vulkan_av1.c

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/*
* 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 FFVulkanDecodeDescriptor ff_vk_dec_av1_desc = {
.codec_id = AV_CODEC_ID_AV1,
.decode_extension = FF_VK_EXT_VIDEO_DECODE_AV1,
.decode_op = VK_VIDEO_CODEC_OPERATION_DECODE_AV1_BIT_KHR,
.ext_props = {
.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;
/* TODO: investigate if this can be removed to make decoding completely
* independent. */
FFVulkanDecodeContext *dec;
uint32_t tile_sizes[MAX_TILES];
/* Current picture */
StdVideoDecodeAV1ReferenceInfo std_ref;
VkVideoDecodeAV1DpbSlotInfoKHR vkav1_ref;
uint16_t width_in_sbs_minus1[64];
uint16_t height_in_sbs_minus1[64];
uint16_t mi_col_starts[64];
uint16_t mi_row_starts[64];
StdVideoAV1TileInfo tile_info;
StdVideoAV1Quantization quantization;
StdVideoAV1Segmentation segmentation;
StdVideoAV1LoopFilter loop_filter;
StdVideoAV1CDEF cdef;
StdVideoAV1LoopRestoration loop_restoration;
StdVideoAV1GlobalMotion global_motion;
StdVideoAV1FilmGrain film_grain;
StdVideoDecodeAV1PictureInfo std_pic_info;
VkVideoDecodeAV1PictureInfoKHR av1_pic_info;
/* Picture refs */
const AV1Frame *ref_src [AV1_NUM_REF_FRAMES];
StdVideoDecodeAV1ReferenceInfo std_refs [AV1_NUM_REF_FRAMES];
VkVideoDecodeAV1DpbSlotInfoKHR vkav1_refs[AV1_NUM_REF_FRAMES];
uint8_t frame_id_set;
uint8_t frame_id;
uint8_t ref_frame_sign_bias_mask;
} AV1VulkanDecodePicture;
static int vk_av1_fill_pict(AVCodecContext *avctx, const AV1Frame **ref_src,
VkVideoReferenceSlotInfoKHR *ref_slot, /* Main structure */
VkVideoPictureResourceInfoKHR *ref, /* Goes in ^ */
StdVideoDecodeAV1ReferenceInfo *vkav1_std_ref,
VkVideoDecodeAV1DpbSlotInfoKHR *vkav1_ref, /* Goes in ^ */
const AV1Frame *pic, int is_current, int has_grain,
int *saved_order_hints)
{
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_std_ref = (StdVideoDecodeAV1ReferenceInfo) {
.flags = (StdVideoDecodeAV1ReferenceInfoFlags) {
.disable_frame_end_update_cdf = pic->raw_frame_header->disable_frame_end_update_cdf,
.segmentation_enabled = pic->raw_frame_header->segmentation_enabled,
},
.frame_type = pic->raw_frame_header->frame_type,
.OrderHint = pic->raw_frame_header->order_hint,
.RefFrameSignBias = hp->ref_frame_sign_bias_mask,
};
if (saved_order_hints)
for (int i = 0; i < AV1_TOTAL_REFS_PER_FRAME; i++)
vkav1_std_ref->SavedOrderHints[i] = saved_order_hints[i];
*vkav1_ref = (VkVideoDecodeAV1DpbSlotInfoKHR) {
.sType = VK_STRUCTURE_TYPE_VIDEO_DECODE_AV1_DPB_SLOT_INFO_KHR,
.pStdReferenceInfo = vkav1_std_ref,
};
vkav1_std_ref->flags.disable_frame_end_update_cdf = pic->raw_frame_header->disable_frame_end_update_cdf;
vkav1_std_ref->flags.segmentation_enabled = pic->raw_frame_header->segmentation_enabled;
vkav1_std_ref->frame_type = pic->raw_frame_header->frame_type;
*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) ?
hp->frame_id : 0,
.imageViewBinding = vkpic->img_view_ref,
};
*ref_slot = (VkVideoReferenceSlotInfoKHR) {
.sType = VK_STRUCTURE_TYPE_VIDEO_REFERENCE_SLOT_INFO_KHR,
.pNext = vkav1_ref,
.slotIndex = hp->frame_id,
.pPictureResource = ref,
};
if (ref_src)
*ref_src = pic;
return 0;
}
static int vk_av1_create_params(AVCodecContext *avctx, AVBufferRef **buf)
{
const AV1DecContext *s = avctx->priv_data;
FFVulkanDecodeContext *dec = avctx->internal->hwaccel_priv_data;
FFVulkanDecodeShared *ctx = dec->shared_ctx;
const AV1RawSequenceHeader *seq = s->raw_seq;
StdVideoAV1SequenceHeader av1_sequence_header;
StdVideoAV1TimingInfo av1_timing_info;
StdVideoAV1ColorConfig av1_color_config;
VkVideoDecodeAV1SessionParametersCreateInfoKHR av1_params;
VkVideoSessionParametersCreateInfoKHR session_params_create;
int err;
av1_timing_info = (StdVideoAV1TimingInfo) {
.flags = (StdVideoAV1TimingInfoFlags) {
.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,
};
av1_color_config = (StdVideoAV1ColorConfig) {
.flags = (StdVideoAV1ColorConfigFlags) {
.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,
},
.BitDepth = 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,
.color_primaries = seq->color_config.color_primaries,
.transfer_characteristics = seq->color_config.transfer_characteristics,
.matrix_coefficients = seq->color_config.matrix_coefficients,
};
av1_sequence_header = (StdVideoAV1SequenceHeader) {
.flags = (StdVideoAV1SequenceHeaderFlags) {
.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,
.seq_force_integer_mv = seq->seq_force_integer_mv,
.seq_force_screen_content_tools = seq->seq_force_screen_content_tools,
.pTimingInfo = &av1_timing_info,
.pColorConfig = &av1_color_config,
};
av1_params = (VkVideoDecodeAV1SessionParametersCreateInfoKHR) {
.sType = VK_STRUCTURE_TYPE_VIDEO_DECODE_AV1_SESSION_PARAMETERS_CREATE_INFO_KHR,
.pStdSequenceHeader = &av1_sequence_header,
};
session_params_create = (VkVideoSessionParametersCreateInfoKHR) {
.sType = VK_STRUCTURE_TYPE_VIDEO_SESSION_PARAMETERS_CREATE_INFO_KHR,
.pNext = &av1_params,
.videoSession = ctx->common.session,
.videoSessionParametersTemplate = VK_NULL_HANDLE,
};
err = ff_vk_decode_create_params(buf, avctx, ctx, &session_params_create);
if (err < 0)
return err;
av_log(avctx, AV_LOG_DEBUG, "Created frame parameters\n");
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;
CodedBitstreamAV1Context *cbs_ctx = (CodedBitstreamAV1Context *)(s->cbc->priv_data);
const int apply_grain = !(avctx->export_side_data & AV_CODEC_EXPORT_DATA_FILM_GRAIN) &&
film_grain->apply_grain;
StdVideoAV1FrameRestorationType remap_lr_type[4] = { STD_VIDEO_AV1_FRAME_RESTORATION_TYPE_NONE,
STD_VIDEO_AV1_FRAME_RESTORATION_TYPE_SWITCHABLE,
STD_VIDEO_AV1_FRAME_RESTORATION_TYPE_WIENER,
STD_VIDEO_AV1_FRAME_RESTORATION_TYPE_SGRPROJ };
if (!dec->session_params) {
err = vk_av1_create_params(avctx, &dec->session_params);
if (err < 0)
return err;
}
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);
}
ap->ref_frame_sign_bias_mask = 0x0;
for (int i = 0; i < STD_VIDEO_AV1_TOTAL_REFS_PER_FRAME; i++)
ap->ref_frame_sign_bias_mask |= cbs_ctx->ref_frame_sign_bias[i] << i;
for (int i = 0; i < STD_VIDEO_AV1_REFS_PER_FRAME; i++) {
const int idx = pic->raw_frame_header->ref_frame_idx[i];
const AV1Frame *ref_frame = &s->ref[idx];
AV1VulkanDecodePicture *hp = ref_frame->hwaccel_picture_private;
int found = 0;
if (ref_frame->f->pict_type == AV_PICTURE_TYPE_NONE)
continue;
for (int j = 0; j < ref_count; j++) {
if (vp->ref_slots[j].slotIndex == hp->frame_id) {
found = 1;
break;
}
}
if (found)
continue;
err = vk_av1_fill_pict(avctx, &ap->ref_src[ref_count], &vp->ref_slots[ref_count],
&vp->refs[ref_count], &ap->std_refs[ref_count], &ap->vkav1_refs[ref_count],
ref_frame, 0, 0, cbs_ctx->ref[idx].saved_order_hints);
if (err < 0)
return err;
ref_count++;
}
err = vk_av1_fill_pict(avctx, NULL, &vp->ref_slot, &vp->ref,
&ap->std_ref,
&ap->vkav1_ref,
pic, 1, apply_grain, NULL);
if (err < 0)
return err;
ap->av1_pic_info = (VkVideoDecodeAV1PictureInfoKHR) {
.sType = VK_STRUCTURE_TYPE_VIDEO_DECODE_AV1_PICTURE_INFO_KHR,
.pStdPictureInfo = &ap->std_pic_info,
.frameHeaderOffset = 0,
.tileCount = 0,
.pTileOffsets = NULL,
.pTileSizes = ap->tile_sizes,
};
for (int i = 0; i < STD_VIDEO_AV1_REFS_PER_FRAME; i++) {
const int idx = pic->raw_frame_header->ref_frame_idx[i];
const AV1Frame *ref_frame = &s->ref[idx];
AV1VulkanDecodePicture *hp = ref_frame->hwaccel_picture_private;
if (ref_frame->f->pict_type == AV_PICTURE_TYPE_NONE)
ap->av1_pic_info.referenceNameSlotIndices[i] = AV1_REF_FRAME_NONE;
else
ap->av1_pic_info.referenceNameSlotIndices[i] = hp->frame_id;
}
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,
},
};
ap->tile_info = (StdVideoAV1TileInfo) {
.flags = (StdVideoAV1TileInfoFlags) {
.uniform_tile_spacing_flag = frame_header->uniform_tile_spacing_flag,
},
.TileCols = frame_header->tile_cols,
.TileRows = frame_header->tile_rows,
.context_update_tile_id = frame_header->context_update_tile_id,
.tile_size_bytes_minus_1 = frame_header->tile_size_bytes_minus1,
.pWidthInSbsMinus1 = ap->width_in_sbs_minus1,
.pHeightInSbsMinus1 = ap->height_in_sbs_minus1,
.pMiColStarts = ap->mi_col_starts,
.pMiRowStarts = ap->mi_row_starts,
};
ap->quantization = (StdVideoAV1Quantization) {
.flags.using_qmatrix = frame_header->using_qmatrix,
.flags.diff_uv_delta = frame_header->diff_uv_delta,
.base_q_idx = frame_header->base_q_idx,
.DeltaQYDc = frame_header->delta_q_y_dc,
.DeltaQUDc = frame_header->delta_q_u_dc,
.DeltaQUAc = frame_header->delta_q_u_ac,
.DeltaQVDc = frame_header->delta_q_v_dc,
.DeltaQVAc = frame_header->delta_q_v_ac,
.qm_y = frame_header->qm_y,
.qm_u = frame_header->qm_u,
.qm_v = frame_header->qm_v,
};
ap->loop_filter = (StdVideoAV1LoopFilter) {
.flags = (StdVideoAV1LoopFilterFlags) {
.loop_filter_delta_enabled = frame_header->loop_filter_delta_enabled,
.loop_filter_delta_update = frame_header->loop_filter_delta_update,
},
.loop_filter_sharpness = frame_header->loop_filter_sharpness,
};
for (int i = 0; i < STD_VIDEO_AV1_MAX_LOOP_FILTER_STRENGTHS; i++)
ap->loop_filter.loop_filter_level[i] = frame_header->loop_filter_level[i];
for (int i = 0; i < STD_VIDEO_AV1_LOOP_FILTER_ADJUSTMENTS; i++)
ap->loop_filter.loop_filter_mode_deltas[i] = frame_header->loop_filter_mode_deltas[i];
ap->cdef = (StdVideoAV1CDEF) {
.cdef_damping_minus_3 = frame_header->cdef_damping_minus_3,
.cdef_bits = frame_header->cdef_bits,
};
ap->loop_restoration = (StdVideoAV1LoopRestoration) {
.FrameRestorationType[0] = remap_lr_type[frame_header->lr_type[0]],
.FrameRestorationType[1] = remap_lr_type[frame_header->lr_type[1]],
.FrameRestorationType[2] = remap_lr_type[frame_header->lr_type[2]],
.LoopRestorationSize[0] = 1 + frame_header->lr_unit_shift,
.LoopRestorationSize[1] = 1 + frame_header->lr_unit_shift - frame_header->lr_uv_shift,
.LoopRestorationSize[2] = 1 + frame_header->lr_unit_shift - frame_header->lr_uv_shift,
};
ap->film_grain = (StdVideoAV1FilmGrain) {
.flags = (StdVideoAV1FilmGrainFlags) {
.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,
.film_grain_params_ref_idx = film_grain->film_grain_params_ref_idx,
.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,
};
/* Setup frame header */
ap->std_pic_info = (StdVideoDecodeAV1PictureInfo) {
.flags = (StdVideoDecodeAV1PictureInfoFlags) {
.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,
.delta_lf_present = frame_header->delta_lf_present,
.delta_lf_multi = frame_header->delta_lf_multi,
.segmentation_enabled = frame_header->segmentation_enabled,
.segmentation_update_map = frame_header->segmentation_update_map,
.segmentation_temporal_update = frame_header->segmentation_temporal_update,
.segmentation_update_data = frame_header->segmentation_update_data,
.UsesLr = frame_header->lr_type[0] || frame_header->lr_type[1] || frame_header->lr_type[2],
.apply_grain = apply_grain,
},
.frame_type = frame_header->frame_type,
.current_frame_id = frame_header->current_frame_id,
.OrderHint = frame_header->order_hint,
.primary_ref_frame = frame_header->primary_ref_frame,
.refresh_frame_flags = frame_header->refresh_frame_flags,
.interpolation_filter = frame_header->interpolation_filter,
.TxMode = frame_header->tx_mode,
.delta_q_res = frame_header->delta_q_res,
.delta_lf_res = frame_header->delta_lf_res,
.SkipModeFrame[0] = s->cur_frame.skip_mode_frame_idx[0],
.SkipModeFrame[1] = s->cur_frame.skip_mode_frame_idx[1],
.coded_denom = frame_header->coded_denom,
.pTileInfo = &ap->tile_info,
.pQuantization = &ap->quantization,
.pSegmentation = &ap->segmentation,
.pLoopFilter = &ap->loop_filter,
.pCDEF = &ap->cdef,
.pLoopRestoration = &ap->loop_restoration,
.pGlobalMotion = &ap->global_motion,
.pFilmGrain = apply_grain ? &ap->film_grain : NULL,
};
for (int i = 0; i < 64; i++) {
ap->width_in_sbs_minus1[i] = frame_header->width_in_sbs_minus_1[i];
ap->height_in_sbs_minus1[i] = frame_header->height_in_sbs_minus_1[i];
ap->mi_col_starts[i] = frame_header->tile_start_col_sb[i];
ap->mi_row_starts[i] = frame_header->tile_start_row_sb[i];
}
for (int i = 0; i < STD_VIDEO_AV1_MAX_SEGMENTS; i++) {
ap->segmentation.FeatureEnabled[i] = 0x0;
for (int j = 0; j < STD_VIDEO_AV1_SEG_LVL_MAX; j++) {
ap->segmentation.FeatureEnabled[i] |= (frame_header->feature_enabled[i][j] << j);
ap->segmentation.FeatureData[i][j] = frame_header->feature_value[i][j];
}
}
for (int i = 0; i < STD_VIDEO_AV1_TOTAL_REFS_PER_FRAME; i++)
ap->loop_filter.loop_filter_ref_deltas[i] = frame_header->loop_filter_ref_deltas[i];
for (int i = 0; i < STD_VIDEO_AV1_MAX_CDEF_FILTER_STRENGTHS; i++) {
ap->cdef.cdef_y_pri_strength[i] = frame_header->cdef_y_pri_strength[i];
ap->cdef.cdef_y_sec_strength[i] = frame_header->cdef_y_sec_strength[i];
ap->cdef.cdef_uv_pri_strength[i] = frame_header->cdef_uv_pri_strength[i];
ap->cdef.cdef_uv_sec_strength[i] = frame_header->cdef_uv_sec_strength[i];
}
for (int i = 0; i < STD_VIDEO_AV1_NUM_REF_FRAMES; i++) {
ap->std_pic_info.OrderHints[i] = frame_header->ref_order_hint[i];
ap->global_motion.GmType[i] = s->cur_frame.gm_type[i];
for (int j = 0; j < STD_VIDEO_AV1_GLOBAL_MOTION_PARAMS; j++) {
ap->global_motion.gm_params[i][j] = s->cur_frame.gm_params[i][j];
}
}
if (apply_grain) {
for (int i = 0; i < STD_VIDEO_AV1_MAX_NUM_Y_POINTS; i++) {
ap->film_grain.point_y_value[i] = film_grain->point_y_value[i];
ap->film_grain.point_y_scaling[i] = film_grain->point_y_scaling[i];
}
for (int i = 0; i < STD_VIDEO_AV1_MAX_NUM_CB_POINTS; i++) {
ap->film_grain.point_cb_value[i] = film_grain->point_cb_value[i];
ap->film_grain.point_cb_scaling[i] = film_grain->point_cb_scaling[i];
ap->film_grain.point_cr_value[i] = film_grain->point_cr_value[i];
ap->film_grain.point_cr_scaling[i] = film_grain->point_cr_scaling[i];
}
for (int i = 0; i < STD_VIDEO_AV1_MAX_NUM_POS_LUMA; i++)
ap->film_grain.ar_coeffs_y_plus_128[i] = film_grain->ar_coeffs_y_plus_128[i];
for (int i = 0; i < STD_VIDEO_AV1_MAX_NUM_POS_CHROMA; i++) {
ap->film_grain.ar_coeffs_cb_plus_128[i] = film_grain->ar_coeffs_cb_plus_128[i];
ap->film_grain.ar_coeffs_cr_plus_128[i] = film_grain->ar_coeffs_cr_plus_128[i];
}
}
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;
/* Too many tiles, exceeding all defined levels in the AV1 spec */
if (ap->av1_pic_info.tileCount > MAX_TILES)
return AVERROR(ENOSYS);
for (int i = s->tg_start; i <= s->tg_end; i++) {
ap->tile_sizes[ap->av1_pic_info.tileCount] = s->tile_group_info[i].tile_size;
err = ff_vk_decode_add_slice(avctx, vp,
data + s->tile_group_info[i].tile_offset,
s->tile_group_info[i].tile_size, 0,
&ap->av1_pic_info.tileCount,
&ap->av1_pic_info.pTileOffsets);
if (err < 0)
return err;
}
return 0;
}
static int vk_av1_end_frame(AVCodecContext *avctx)
{
const AV1DecContext *s = avctx->priv_data;
FFVulkanDecodeContext *dec = avctx->internal->hwaccel_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 };
if (!ap->av1_pic_info.tileCount)
return 0;
if (!dec->session_params) {
int err = vk_av1_create_params(avctx, &dec->session_params);
if (err < 0)
return err;
}
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, %"SIZE_SPECIFIER" bytes, %i tiles\n",
vp->slices_size, ap->av1_pic_info.tileCount);
return ff_vk_decode_frame(avctx, pic->f, vp, rav, rvp);
}
static void vk_av1_free_frame_priv(FFRefStructOpaque _hwctx, void *data)
{
AVHWDeviceContext *hwctx = _hwctx.nc;
AV1VulkanDecodePicture *ap = 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);
}
const FFHWAccel ff_av1_vulkan_hwaccel = {
.p.name = "av1_vulkan",
.p.type = AVMEDIA_TYPE_VIDEO,
.p.id = AV_CODEC_ID_AV1,
.p.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_invalidate,
.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. */
.caps_internal = HWACCEL_CAP_ASYNC_SAFE,
};
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