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FFmpeg/libavcodec/vulkan_hevc.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 "hevcdec.h"
#include "hevc_data.h"
#include "hevc_ps.h"
#include "vulkan_decode.h"
const VkExtensionProperties ff_vk_dec_hevc_ext = {
.extensionName = VK_STD_VULKAN_VIDEO_CODEC_H265_DECODE_EXTENSION_NAME,
.specVersion = VK_STD_VULKAN_VIDEO_CODEC_H265_DECODE_SPEC_VERSION,
};
typedef struct HEVCHeaderSPS {
StdVideoH265ScalingLists scaling;
StdVideoH265HrdParameters vui_header;
StdVideoH265SequenceParameterSetVui vui;
StdVideoH265ProfileTierLevel ptl;
StdVideoH265DecPicBufMgr dpbm;
StdVideoH265PredictorPaletteEntries pal;
StdVideoH265SubLayerHrdParameters nal_hdr[HEVC_MAX_SUB_LAYERS];
StdVideoH265SubLayerHrdParameters vcl_hdr[HEVC_MAX_SUB_LAYERS];
StdVideoH265ShortTermRefPicSet str[HEVC_MAX_SHORT_TERM_REF_PIC_SETS];
StdVideoH265LongTermRefPicsSps ltr;
} HEVCHeaderSPS;
typedef struct HEVCHeaderPPS {
StdVideoH265ScalingLists scaling;
StdVideoH265PredictorPaletteEntries pal;
} HEVCHeaderPPS;
typedef struct HEVCHeaderVPSSet {
StdVideoH265SubLayerHrdParameters nal_hdr[HEVC_MAX_SUB_LAYERS];
StdVideoH265SubLayerHrdParameters vcl_hdr[HEVC_MAX_SUB_LAYERS];
} HEVCHeaderVPSSet;
typedef struct HEVCHeaderVPS {
StdVideoH265ProfileTierLevel ptl;
StdVideoH265DecPicBufMgr dpbm;
StdVideoH265HrdParameters hdr[HEVC_MAX_LAYER_SETS];
HEVCHeaderVPSSet *sls;
} HEVCHeaderVPS;
typedef struct HEVCHeaderSet {
StdVideoH265SequenceParameterSet sps[HEVC_MAX_SPS_COUNT];
HEVCHeaderSPS hsps[HEVC_MAX_SPS_COUNT];
StdVideoH265PictureParameterSet pps[HEVC_MAX_PPS_COUNT];
HEVCHeaderPPS hpps[HEVC_MAX_PPS_COUNT];
StdVideoH265VideoParameterSet vps[HEVC_MAX_PPS_COUNT];
HEVCHeaderVPS *hvps;
} HEVCHeaderSet;
static int get_data_set_buf(FFVulkanDecodeContext *s, AVBufferRef **data_buf,
int nb_vps, AVBufferRef * const vps_list[HEVC_MAX_VPS_COUNT])
{
uint8_t *data_ptr;
HEVCHeaderSet *hdr;
size_t base_size = sizeof(StdVideoH265SequenceParameterSet)*HEVC_MAX_SPS_COUNT +
sizeof(HEVCHeaderSPS)*HEVC_MAX_SPS_COUNT +
sizeof(StdVideoH265PictureParameterSet)*HEVC_MAX_PPS_COUNT +
sizeof(HEVCHeaderPPS)*HEVC_MAX_PPS_COUNT +
sizeof(StdVideoH265VideoParameterSet)*HEVC_MAX_VPS_COUNT +
sizeof(HEVCHeaderVPS *);
size_t vps_size = sizeof(StdVideoH265ProfileTierLevel) +
sizeof(StdVideoH265DecPicBufMgr) +
sizeof(StdVideoH265HrdParameters)*HEVC_MAX_LAYER_SETS +
sizeof(HEVCHeaderVPSSet *);
size_t buf_size = base_size + vps_size*nb_vps;
for (int i = 0; i < nb_vps; i++) {
const HEVCVPS *vps = (const HEVCVPS *)vps_list[i]->data;
buf_size += sizeof(HEVCHeaderVPSSet)*vps->vps_num_hrd_parameters;
}
if (buf_size > s->tmp_pool_ele_size) {
av_buffer_pool_uninit(&s->tmp_pool);
s->tmp_pool_ele_size = 0;
s->tmp_pool = av_buffer_pool_init(buf_size, NULL);
if (!s->tmp_pool)
return AVERROR(ENOMEM);
s->tmp_pool_ele_size = buf_size;
}
*data_buf = av_buffer_pool_get(s->tmp_pool);
if (!(*data_buf))
return AVERROR(ENOMEM);
/* Setup pointers */
data_ptr = (*data_buf)->data;
hdr = (HEVCHeaderSet *)data_ptr;
hdr->hvps = (HEVCHeaderVPS *)(data_ptr + base_size);
data_ptr += base_size + vps_size*nb_vps;
for (int i = 0; i < nb_vps; i++) {
const HEVCVPS *vps = (const HEVCVPS *)vps_list[i]->data;
hdr->hvps[i].sls = (HEVCHeaderVPSSet *)data_ptr;
data_ptr += sizeof(HEVCHeaderVPSSet)*vps->vps_num_hrd_parameters;
}
return 0;
}
typedef struct HEVCVulkanDecodePicture {
FFVulkanDecodePicture vp;
/* Current picture */
StdVideoDecodeH265ReferenceInfo h265_ref;
VkVideoDecodeH265DpbSlotInfoKHR vkh265_ref;
/* Picture refs */
HEVCFrame *ref_src [HEVC_MAX_REFS];
StdVideoDecodeH265ReferenceInfo h265_refs [HEVC_MAX_REFS];
VkVideoDecodeH265DpbSlotInfoKHR vkh265_refs[HEVC_MAX_REFS];
/* Current picture (contd.) */
StdVideoDecodeH265PictureInfo h265pic;
VkVideoDecodeH265PictureInfoKHR h265_pic_info;
} HEVCVulkanDecodePicture;
static int vk_hevc_fill_pict(AVCodecContext *avctx, HEVCFrame **ref_src,
VkVideoReferenceSlotInfoKHR *ref_slot, /* Main structure */
VkVideoPictureResourceInfoKHR *ref, /* Goes in ^ */
VkVideoDecodeH265DpbSlotInfoKHR *vkh265_ref, /* Goes in ^ */
StdVideoDecodeH265ReferenceInfo *h265_ref, /* Goes in ^ */
HEVCFrame *pic, int is_current, int pic_id)
{
FFVulkanDecodeContext *dec = avctx->internal->hwaccel_priv_data;
HEVCVulkanDecodePicture *hp = pic->hwaccel_picture_private;
FFVulkanDecodePicture *vkpic = &hp->vp;
int err = ff_vk_decode_prepare_frame(dec, pic->frame, vkpic, is_current,
dec->dedicated_dpb);
if (err < 0)
return err;
*h265_ref = (StdVideoDecodeH265ReferenceInfo) {
.flags = (StdVideoDecodeH265ReferenceInfoFlags) {
.used_for_long_term_reference = pic->flags & HEVC_FRAME_FLAG_LONG_REF,
.unused_for_reference = 0,
},
.PicOrderCntVal = pic->poc,
};
*vkh265_ref = (VkVideoDecodeH265DpbSlotInfoKHR) {
.sType = VK_STRUCTURE_TYPE_VIDEO_DECODE_H265_DPB_SLOT_INFO_KHR,
.pStdReferenceInfo = h265_ref,
};
*ref = (VkVideoPictureResourceInfoKHR) {
.sType = VK_STRUCTURE_TYPE_VIDEO_PICTURE_RESOURCE_INFO_KHR,
.codedOffset = (VkOffset2D){ 0, 0 },
.codedExtent = (VkExtent2D){ pic->frame->width, pic->frame->height },
.baseArrayLayer = dec->layered_dpb ? pic_id : 0,
.imageViewBinding = vkpic->img_view_ref,
};
*ref_slot = (VkVideoReferenceSlotInfoKHR) {
.sType = VK_STRUCTURE_TYPE_VIDEO_REFERENCE_SLOT_INFO_KHR,
.pNext = vkh265_ref,
.slotIndex = pic_id,
.pPictureResource = ref,
};
if (ref_src)
*ref_src = pic;
return 0;
}
static StdVideoH265LevelIdc convert_to_vk_level_idc(int level_idc)
{
switch (level_idc) {
case 10: return STD_VIDEO_H265_LEVEL_IDC_1_0;
case 20: return STD_VIDEO_H265_LEVEL_IDC_2_0;
case 21: return STD_VIDEO_H265_LEVEL_IDC_2_1;
case 30: return STD_VIDEO_H265_LEVEL_IDC_3_0;
case 31: return STD_VIDEO_H265_LEVEL_IDC_3_1;
case 40: return STD_VIDEO_H265_LEVEL_IDC_4_0;
case 41: return STD_VIDEO_H265_LEVEL_IDC_4_1;
case 50: return STD_VIDEO_H265_LEVEL_IDC_5_0;
case 51: return STD_VIDEO_H265_LEVEL_IDC_5_1;
case 60: return STD_VIDEO_H265_LEVEL_IDC_6_0;
case 61: return STD_VIDEO_H265_LEVEL_IDC_6_1;
default:
case 62: return STD_VIDEO_H265_LEVEL_IDC_6_2;
}
}
static void copy_scaling_list(const ScalingList *sl, StdVideoH265ScalingLists *vksl)
{
for (int i = 0; i < STD_VIDEO_H265_SCALING_LIST_4X4_NUM_LISTS; i++) {
for (int j = 0; j < STD_VIDEO_H265_SCALING_LIST_4X4_NUM_ELEMENTS; j++) {
uint8_t pos = 4 * ff_hevc_diag_scan4x4_y[j] + ff_hevc_diag_scan4x4_x[j];
vksl->ScalingList4x4[i][j] = sl->sl[0][i][pos];
}
}
for (int i = 0; i < STD_VIDEO_H265_SCALING_LIST_8X8_NUM_LISTS; i++) {
for (int j = 0; j < STD_VIDEO_H265_SCALING_LIST_8X8_NUM_ELEMENTS; j++) {
uint8_t pos = 8 * ff_hevc_diag_scan8x8_y[j] + ff_hevc_diag_scan8x8_x[j];
vksl->ScalingList8x8[i][j] = sl->sl[1][i][pos];
}
}
for (int i = 0; i < STD_VIDEO_H265_SCALING_LIST_16X16_NUM_LISTS; i++) {
for (int j = 0; j < STD_VIDEO_H265_SCALING_LIST_16X16_NUM_ELEMENTS; j++) {
uint8_t pos = 8 * ff_hevc_diag_scan8x8_y[j] + ff_hevc_diag_scan8x8_x[j];
vksl->ScalingList16x16[i][j] = sl->sl[2][i][pos];
}
}
for (int i = 0; i < STD_VIDEO_H265_SCALING_LIST_32X32_NUM_LISTS; i++) {
for (int j = 0; j < STD_VIDEO_H265_SCALING_LIST_32X32_NUM_ELEMENTS; j++) {
uint8_t pos = 8 * ff_hevc_diag_scan8x8_y[j] + ff_hevc_diag_scan8x8_x[j];
vksl->ScalingList32x32[i][j] = sl->sl[3][i * 3][pos];
}
}
memcpy(vksl->ScalingListDCCoef16x16, sl->sl_dc[0],
STD_VIDEO_H265_SCALING_LIST_16X16_NUM_LISTS * sizeof(*vksl->ScalingListDCCoef16x16));
for (int i = 0; i < STD_VIDEO_H265_SCALING_LIST_32X32_NUM_LISTS; i++)
vksl->ScalingListDCCoef32x32[i] = sl->sl_dc[1][i * 3];
}
static void set_sps(const HEVCSPS *sps, int sps_idx,
StdVideoH265ScalingLists *vksps_scaling,
StdVideoH265HrdParameters *vksps_vui_header,
StdVideoH265SequenceParameterSetVui *vksps_vui,
StdVideoH265SequenceParameterSet *vksps,
StdVideoH265SubLayerHrdParameters *slhdrnal,
StdVideoH265SubLayerHrdParameters *slhdrvcl,
StdVideoH265ProfileTierLevel *ptl,
StdVideoH265DecPicBufMgr *dpbm,
StdVideoH265PredictorPaletteEntries *pal,
StdVideoH265ShortTermRefPicSet *str,
StdVideoH265LongTermRefPicsSps *ltr)
{
copy_scaling_list(&sps->scaling_list, vksps_scaling);
*vksps_vui_header = (StdVideoH265HrdParameters) {
.flags = (StdVideoH265HrdFlags) {
.nal_hrd_parameters_present_flag = sps->hdr.flags.nal_hrd_parameters_present_flag,
.vcl_hrd_parameters_present_flag = sps->hdr.flags.vcl_hrd_parameters_present_flag,
.sub_pic_hrd_params_present_flag = sps->hdr.flags.sub_pic_hrd_params_present_flag,
.sub_pic_cpb_params_in_pic_timing_sei_flag = sps->hdr.flags.sub_pic_cpb_params_in_pic_timing_sei_flag,
.fixed_pic_rate_general_flag = sps->hdr.flags.fixed_pic_rate_general_flag,
.fixed_pic_rate_within_cvs_flag = sps->hdr.flags.fixed_pic_rate_within_cvs_flag,
.low_delay_hrd_flag = sps->hdr.flags.low_delay_hrd_flag,
},
.tick_divisor_minus2 = sps->hdr.tick_divisor_minus2,
.du_cpb_removal_delay_increment_length_minus1 = sps->hdr.du_cpb_removal_delay_increment_length_minus1,
.dpb_output_delay_du_length_minus1 = sps->hdr.dpb_output_delay_du_length_minus1,
.bit_rate_scale = sps->hdr.bit_rate_scale,
.cpb_size_scale = sps->hdr.cpb_size_scale,
.cpb_size_du_scale = sps->hdr.cpb_size_du_scale,
.initial_cpb_removal_delay_length_minus1 = sps->hdr.initial_cpb_removal_delay_length_minus1,
.au_cpb_removal_delay_length_minus1 = sps->hdr.au_cpb_removal_delay_length_minus1,
.dpb_output_delay_length_minus1 = sps->hdr.dpb_output_delay_length_minus1,
/* Reserved - 3*16 bits */
.pSubLayerHrdParametersNal = slhdrnal,
.pSubLayerHrdParametersVcl = slhdrvcl,
};
memcpy(vksps_vui_header->cpb_cnt_minus1, sps->hdr.cpb_cnt_minus1,
STD_VIDEO_H265_SUBLAYERS_LIST_SIZE*sizeof(*vksps_vui_header->cpb_cnt_minus1));
memcpy(vksps_vui_header->elemental_duration_in_tc_minus1, sps->hdr.elemental_duration_in_tc_minus1,
STD_VIDEO_H265_SUBLAYERS_LIST_SIZE*sizeof(*vksps_vui_header->elemental_duration_in_tc_minus1));
memcpy(slhdrnal, sps->hdr.nal_params, HEVC_MAX_SUB_LAYERS*sizeof(*slhdrnal));
memcpy(slhdrvcl, sps->hdr.vcl_params, HEVC_MAX_SUB_LAYERS*sizeof(*slhdrvcl));
*vksps_vui = (StdVideoH265SequenceParameterSetVui) {
.flags = (StdVideoH265SpsVuiFlags) {
.aspect_ratio_info_present_flag = sps->vui.common.aspect_ratio_info_present_flag,
.overscan_info_present_flag = sps->vui.common.overscan_info_present_flag,
.overscan_appropriate_flag = sps->vui.common.overscan_appropriate_flag,
.video_signal_type_present_flag = sps->vui.common.video_signal_type_present_flag,
.video_full_range_flag = sps->vui.common.video_full_range_flag,
.colour_description_present_flag = sps->vui.common.colour_description_present_flag,
.chroma_loc_info_present_flag = sps->vui.common.chroma_loc_info_present_flag,
.neutral_chroma_indication_flag = sps->vui.neutra_chroma_indication_flag,
.field_seq_flag = sps->vui.field_seq_flag,
.frame_field_info_present_flag = sps->vui.frame_field_info_present_flag,
.default_display_window_flag = sps->vui.default_display_window_flag,
.vui_timing_info_present_flag = sps->vui.vui_timing_info_present_flag,
.vui_poc_proportional_to_timing_flag = sps->vui.vui_poc_proportional_to_timing_flag,
.vui_hrd_parameters_present_flag = sps->vui.vui_hrd_parameters_present_flag,
.bitstream_restriction_flag = sps->vui.bitstream_restriction_flag,
.tiles_fixed_structure_flag = sps->vui.tiles_fixed_structure_flag,
.motion_vectors_over_pic_boundaries_flag = sps->vui.motion_vectors_over_pic_boundaries_flag,
.restricted_ref_pic_lists_flag = sps->vui.restricted_ref_pic_lists_flag,
},
.aspect_ratio_idc = sps->vui.common.aspect_ratio_idc,
.sar_width = sps->vui.common.sar.num,
.sar_height = sps->vui.common.sar.den,
.video_format = sps->vui.common.video_format,
.colour_primaries = sps->vui.common.colour_primaries,
.transfer_characteristics = sps->vui.common.transfer_characteristics,
.matrix_coeffs = sps->vui.common.matrix_coeffs,
.chroma_sample_loc_type_top_field = sps->vui.common.chroma_sample_loc_type_top_field,
.chroma_sample_loc_type_bottom_field = sps->vui.common.chroma_sample_loc_type_bottom_field,
/* Reserved */
/* Reserved */
.def_disp_win_left_offset = sps->vui.def_disp_win.left_offset,
.def_disp_win_right_offset = sps->vui.def_disp_win.right_offset,
.def_disp_win_top_offset = sps->vui.def_disp_win.top_offset,
.def_disp_win_bottom_offset = sps->vui.def_disp_win.bottom_offset,
.vui_num_units_in_tick = sps->vui.vui_num_units_in_tick,
.vui_time_scale = sps->vui.vui_time_scale,
.vui_num_ticks_poc_diff_one_minus1 = sps->vui.vui_num_ticks_poc_diff_one_minus1,
.min_spatial_segmentation_idc = sps->vui.min_spatial_segmentation_idc,
.max_bytes_per_pic_denom = sps->vui.max_bytes_per_pic_denom,
.max_bits_per_min_cu_denom = sps->vui.max_bits_per_min_cu_denom,
.log2_max_mv_length_horizontal = sps->vui.log2_max_mv_length_horizontal,
.log2_max_mv_length_vertical = sps->vui.log2_max_mv_length_vertical,
.pHrdParameters = vksps_vui_header,
};
*ptl = (StdVideoH265ProfileTierLevel) {
.flags = (StdVideoH265ProfileTierLevelFlags) {
.general_tier_flag = sps->ptl.general_ptl.tier_flag,
.general_progressive_source_flag = sps->ptl.general_ptl.progressive_source_flag,
.general_interlaced_source_flag = sps->ptl.general_ptl.interlaced_source_flag,
.general_non_packed_constraint_flag = sps->ptl.general_ptl.non_packed_constraint_flag,
.general_frame_only_constraint_flag = sps->ptl.general_ptl.frame_only_constraint_flag,
},
.general_profile_idc = sps->ptl.general_ptl.profile_idc,
.general_level_idc = convert_to_vk_level_idc(sps->ptl.general_ptl.level_idc),
};
for (int i = 0; i < sps->max_sub_layers; i++) {
dpbm->max_latency_increase_plus1[i] = sps->temporal_layer[i].max_latency_increase + 1;
dpbm->max_dec_pic_buffering_minus1[i] = sps->temporal_layer[i].max_dec_pic_buffering - 1;
dpbm->max_num_reorder_pics[i] = sps->temporal_layer[i].num_reorder_pics;
}
for (int i = 0; i < (sps->chroma_format_idc ? 3 : 1); i++)
for (int j = 0; j < sps->sps_num_palette_predictor_initializers; j++)
pal->PredictorPaletteEntries[i][j] = sps->sps_palette_predictor_initializer[i][j];
for (int i = 0; i < sps->nb_st_rps; i++) {
str[i] = (StdVideoH265ShortTermRefPicSet) {
.flags = (StdVideoH265ShortTermRefPicSetFlags) {
.inter_ref_pic_set_prediction_flag = sps->st_rps[i].rps_predict,
.delta_rps_sign = sps->st_rps[i].delta_rps_sign,
},
.delta_idx_minus1 = sps->st_rps[i].delta_idx - 1,
.use_delta_flag = sps->st_rps[i].use_delta_flag,
.abs_delta_rps_minus1 = sps->st_rps[i].abs_delta_rps - 1,
.used_by_curr_pic_flag = 0x0,
.used_by_curr_pic_s0_flag = 0x0,
.used_by_curr_pic_s1_flag = 0x0,
/* Reserved */
/* Reserved */
/* Reserved */
.num_negative_pics = sps->st_rps[i].num_negative_pics,
.num_positive_pics = sps->st_rps[i].num_delta_pocs - sps->st_rps[i].num_negative_pics,
};
/* NOTE: This is the predicted, and *reordered* version.
* Probably incorrect, but the spec doesn't say which version to use. */
for (int j = 0; j < sps->st_rps[i].num_delta_pocs; j++)
str[i].used_by_curr_pic_flag |= sps->st_rps[i].used[j] << j;
for (int j = 0; j < str[i].num_negative_pics; j++) {
str[i].delta_poc_s0_minus1[j] = sps->st_rps[i].delta_poc_s0[j] - 1;
str[i].used_by_curr_pic_s0_flag |= sps->st_rps[i].used[j] << j;
}
for (int j = 0; j < str[i].num_positive_pics; j++) {
str[i].delta_poc_s1_minus1[j] = sps->st_rps[i].delta_poc_s1[j] - 1;
str[i].used_by_curr_pic_s0_flag |= sps->st_rps[i].used[str[i].num_negative_pics + j] << j;
}
}
*ltr = (StdVideoH265LongTermRefPicsSps) {
.used_by_curr_pic_lt_sps_flag = 0x0,
};
for (int i = 0; i < sps->num_long_term_ref_pics_sps; i++) {
ltr->used_by_curr_pic_lt_sps_flag |= sps->used_by_curr_pic_lt_sps_flag[i] << i;
ltr->lt_ref_pic_poc_lsb_sps[i] = sps->lt_ref_pic_poc_lsb_sps[i];
}
*vksps = (StdVideoH265SequenceParameterSet) {
.flags = (StdVideoH265SpsFlags) {
.sps_temporal_id_nesting_flag = sps->temporal_id_nesting_flag,
.separate_colour_plane_flag = sps->separate_colour_plane_flag,
.conformance_window_flag = sps->conformance_window_flag,
.sps_sub_layer_ordering_info_present_flag = sps->sublayer_ordering_info_flag,
.scaling_list_enabled_flag = sps->scaling_list_enable_flag,
.sps_scaling_list_data_present_flag = sps->scaling_list_enable_flag,
.amp_enabled_flag = sps->amp_enabled_flag,
.sample_adaptive_offset_enabled_flag = sps->sao_enabled,
.pcm_enabled_flag = sps->pcm_enabled_flag,
.pcm_loop_filter_disabled_flag = sps->pcm.loop_filter_disable_flag,
.long_term_ref_pics_present_flag = sps->long_term_ref_pics_present_flag,
.sps_temporal_mvp_enabled_flag = sps->sps_temporal_mvp_enabled_flag,
.strong_intra_smoothing_enabled_flag = sps->sps_strong_intra_smoothing_enable_flag,
.vui_parameters_present_flag = sps->vui_present,
.sps_extension_present_flag = sps->sps_extension_present_flag,
.sps_range_extension_flag = sps->sps_range_extension_flag,
.transform_skip_rotation_enabled_flag = sps->transform_skip_rotation_enabled_flag,
.transform_skip_context_enabled_flag = sps->transform_skip_context_enabled_flag,
.implicit_rdpcm_enabled_flag = sps->implicit_rdpcm_enabled_flag,
.explicit_rdpcm_enabled_flag = sps->explicit_rdpcm_enabled_flag,
.extended_precision_processing_flag = sps->extended_precision_processing_flag,
.intra_smoothing_disabled_flag = sps->intra_smoothing_disabled_flag,
.high_precision_offsets_enabled_flag = sps->high_precision_offsets_enabled_flag,
.persistent_rice_adaptation_enabled_flag = sps->persistent_rice_adaptation_enabled_flag,
.cabac_bypass_alignment_enabled_flag = sps->cabac_bypass_alignment_enabled_flag,
.sps_scc_extension_flag = sps->sps_scc_extension_flag,
.sps_curr_pic_ref_enabled_flag = sps->sps_curr_pic_ref_enabled_flag,
.palette_mode_enabled_flag = sps->palette_mode_enabled_flag,
.sps_palette_predictor_initializers_present_flag = sps->sps_palette_predictor_initializers_present_flag,
.intra_boundary_filtering_disabled_flag = sps->intra_boundary_filtering_disabled_flag,
},
.chroma_format_idc = sps->chroma_format_idc,
.pic_width_in_luma_samples = sps->width,
.pic_height_in_luma_samples = sps->height,
.sps_video_parameter_set_id = sps->vps_id,
.sps_max_sub_layers_minus1 = sps->max_sub_layers - 1,
.sps_seq_parameter_set_id = sps_idx,
.bit_depth_luma_minus8 = sps->bit_depth - 8,
.bit_depth_chroma_minus8 = sps->bit_depth_chroma - 8,
.log2_max_pic_order_cnt_lsb_minus4 = sps->log2_max_poc_lsb - 4,
.log2_min_luma_coding_block_size_minus3 = sps->log2_min_cb_size - 3,
.log2_diff_max_min_luma_coding_block_size = sps->log2_diff_max_min_coding_block_size,
.log2_min_luma_transform_block_size_minus2 = sps->log2_min_tb_size - 2,
.log2_diff_max_min_luma_transform_block_size = sps->log2_diff_max_min_transform_block_size,
.max_transform_hierarchy_depth_inter = sps->max_transform_hierarchy_depth_inter,
.max_transform_hierarchy_depth_intra = sps->max_transform_hierarchy_depth_intra,
.num_short_term_ref_pic_sets = sps->nb_st_rps,
.num_long_term_ref_pics_sps = sps->num_long_term_ref_pics_sps,
.pcm_sample_bit_depth_luma_minus1 = sps->pcm.bit_depth - 1,
.pcm_sample_bit_depth_chroma_minus1 = sps->pcm.bit_depth_chroma - 1,
.log2_min_pcm_luma_coding_block_size_minus3 = sps->pcm.log2_min_pcm_cb_size - 3,
.log2_diff_max_min_pcm_luma_coding_block_size = sps->pcm.log2_max_pcm_cb_size - sps->pcm.log2_min_pcm_cb_size,
/* Reserved */
/* Reserved */
.palette_max_size = sps->palette_max_size,
.delta_palette_max_predictor_size = sps->delta_palette_max_predictor_size,
.motion_vector_resolution_control_idc = sps->motion_vector_resolution_control_idc,
.sps_num_palette_predictor_initializers_minus1 = sps->sps_num_palette_predictor_initializers - 1,
.conf_win_left_offset = sps->pic_conf_win.left_offset,
.conf_win_right_offset = sps->pic_conf_win.right_offset,
.conf_win_top_offset = sps->pic_conf_win.top_offset,
.conf_win_bottom_offset = sps->pic_conf_win.bottom_offset,
.pProfileTierLevel = ptl,
.pDecPicBufMgr = dpbm,
.pScalingLists = vksps_scaling,
.pShortTermRefPicSet = str,
.pLongTermRefPicsSps = ltr,
.pSequenceParameterSetVui = vksps_vui,
.pPredictorPaletteEntries = pal,
};
}
static void set_pps(const HEVCPPS *pps, const HEVCSPS *sps,
StdVideoH265ScalingLists *vkpps_scaling,
StdVideoH265PictureParameterSet *vkpps,
StdVideoH265PredictorPaletteEntries *pal)
{
copy_scaling_list(&pps->scaling_list, vkpps_scaling);
*vkpps = (StdVideoH265PictureParameterSet) {
.flags = (StdVideoH265PpsFlags) {
.dependent_slice_segments_enabled_flag = pps->dependent_slice_segments_enabled_flag,
.output_flag_present_flag = pps->output_flag_present_flag,
.sign_data_hiding_enabled_flag = pps->sign_data_hiding_flag,
.cabac_init_present_flag = pps->cabac_init_present_flag,
.constrained_intra_pred_flag = pps->constrained_intra_pred_flag,
.transform_skip_enabled_flag = pps->transform_skip_enabled_flag,
.cu_qp_delta_enabled_flag = pps->cu_qp_delta_enabled_flag,
.pps_slice_chroma_qp_offsets_present_flag = pps->pic_slice_level_chroma_qp_offsets_present_flag,
.weighted_pred_flag = pps->weighted_pred_flag,
.weighted_bipred_flag = pps->weighted_bipred_flag,
.transquant_bypass_enabled_flag = pps->transquant_bypass_enable_flag,
.tiles_enabled_flag = pps->tiles_enabled_flag,
.entropy_coding_sync_enabled_flag = pps->entropy_coding_sync_enabled_flag,
.uniform_spacing_flag = pps->uniform_spacing_flag,
.loop_filter_across_tiles_enabled_flag = pps->loop_filter_across_tiles_enabled_flag,
.pps_loop_filter_across_slices_enabled_flag = pps->seq_loop_filter_across_slices_enabled_flag,
.deblocking_filter_control_present_flag = pps->deblocking_filter_control_present_flag,
.deblocking_filter_override_enabled_flag = pps->deblocking_filter_override_enabled_flag,
.pps_deblocking_filter_disabled_flag = pps->disable_dbf,
.pps_scaling_list_data_present_flag = pps->scaling_list_data_present_flag,
.lists_modification_present_flag = pps->lists_modification_present_flag,
.slice_segment_header_extension_present_flag = pps->slice_header_extension_present_flag,
.pps_extension_present_flag = pps->pps_extension_present_flag,
.cross_component_prediction_enabled_flag = pps->cross_component_prediction_enabled_flag,
.chroma_qp_offset_list_enabled_flag = pps->chroma_qp_offset_list_enabled_flag,
.pps_curr_pic_ref_enabled_flag = pps->pps_curr_pic_ref_enabled_flag,
.residual_adaptive_colour_transform_enabled_flag = pps->residual_adaptive_colour_transform_enabled_flag,
.pps_slice_act_qp_offsets_present_flag = pps->pps_slice_act_qp_offsets_present_flag,
.pps_palette_predictor_initializers_present_flag = pps->pps_palette_predictor_initializers_present_flag,
.monochrome_palette_flag = pps->monochrome_palette_flag,
.pps_range_extension_flag = pps->pps_range_extensions_flag,
},
.pps_pic_parameter_set_id = pps->pps_id,
.pps_seq_parameter_set_id = pps->sps_id,
.sps_video_parameter_set_id = sps->vps_id,
.num_extra_slice_header_bits = pps->num_extra_slice_header_bits,
.num_ref_idx_l0_default_active_minus1 = pps->num_ref_idx_l0_default_active - 1,
.num_ref_idx_l1_default_active_minus1 = pps->num_ref_idx_l1_default_active - 1,
.init_qp_minus26 = pps->pic_init_qp_minus26,
.diff_cu_qp_delta_depth = pps->diff_cu_qp_delta_depth,
.pps_cb_qp_offset = pps->cb_qp_offset,
.pps_cr_qp_offset = pps->cr_qp_offset,
.pps_beta_offset_div2 = pps->beta_offset >> 1,
.pps_tc_offset_div2 = pps->tc_offset >> 1,
.log2_parallel_merge_level_minus2 = pps->log2_parallel_merge_level - 2,
.log2_max_transform_skip_block_size_minus2 = pps->log2_max_transform_skip_block_size - 2,
.diff_cu_chroma_qp_offset_depth = pps->diff_cu_chroma_qp_offset_depth,
.chroma_qp_offset_list_len_minus1 = pps->chroma_qp_offset_list_len_minus1,
.log2_sao_offset_scale_luma = pps->log2_sao_offset_scale_luma,
.log2_sao_offset_scale_chroma = pps->log2_sao_offset_scale_chroma,
.pps_act_y_qp_offset_plus5 = pps->pps_act_y_qp_offset + 5,
.pps_act_cb_qp_offset_plus5 = pps->pps_act_cb_qp_offset + 5,
.pps_act_cr_qp_offset_plus3 = pps->pps_act_cr_qp_offset + 3,
.pps_num_palette_predictor_initializers = pps->pps_num_palette_predictor_initializers,
.luma_bit_depth_entry_minus8 = pps->luma_bit_depth_entry - 8,
.chroma_bit_depth_entry_minus8 = pps->chroma_bit_depth_entry - 8,
.num_tile_columns_minus1 = pps->num_tile_columns - 1,
.num_tile_rows_minus1 = pps->num_tile_rows - 1,
.pScalingLists = vkpps_scaling,
.pPredictorPaletteEntries = pal,
};
for (int i = 0; i < (pps->monochrome_palette_flag ? 1 : 3); i++) {
for (int j = 0; j < pps->pps_num_palette_predictor_initializers; j++)
pal->PredictorPaletteEntries[i][j] = pps->pps_palette_predictor_initializer[i][j];
}
for (int i = 0; i < pps->num_tile_columns - 1; i++)
vkpps->column_width_minus1[i] = pps->column_width[i] - 1;
for (int i = 0; i < pps->num_tile_rows - 1; i++)
vkpps->row_height_minus1[i] = pps->row_height[i] - 1;
for (int i = 0; i <= pps->chroma_qp_offset_list_len_minus1; i++) {
vkpps->cb_qp_offset_list[i] = pps->cb_qp_offset_list[i];
vkpps->cr_qp_offset_list[i] = pps->cr_qp_offset_list[i];
}
}
static void set_vps(const HEVCVPS *vps,
StdVideoH265VideoParameterSet *vkvps,
StdVideoH265ProfileTierLevel *ptl,
StdVideoH265DecPicBufMgr *dpbm,
StdVideoH265HrdParameters *sls_hdr,
HEVCHeaderVPSSet sls[])
{
for (int i = 0; i < vps->vps_num_hrd_parameters; i++) {
const HEVCHdrParams *src = &vps->hdr[i];
sls_hdr[i] = (StdVideoH265HrdParameters) {
.flags = (StdVideoH265HrdFlags) {
.nal_hrd_parameters_present_flag = src->flags.nal_hrd_parameters_present_flag,
.vcl_hrd_parameters_present_flag = src->flags.vcl_hrd_parameters_present_flag,
.sub_pic_hrd_params_present_flag = src->flags.sub_pic_hrd_params_present_flag,
.sub_pic_cpb_params_in_pic_timing_sei_flag = src->flags.sub_pic_cpb_params_in_pic_timing_sei_flag,
.fixed_pic_rate_general_flag = src->flags.fixed_pic_rate_general_flag,
.fixed_pic_rate_within_cvs_flag = src->flags.fixed_pic_rate_within_cvs_flag,
.low_delay_hrd_flag = src->flags.low_delay_hrd_flag,
},
.tick_divisor_minus2 = src->tick_divisor_minus2,
.du_cpb_removal_delay_increment_length_minus1 = src->du_cpb_removal_delay_increment_length_minus1,
.dpb_output_delay_du_length_minus1 = src->dpb_output_delay_du_length_minus1,
.bit_rate_scale = src->bit_rate_scale,
.cpb_size_scale = src->cpb_size_scale,
.cpb_size_du_scale = src->cpb_size_du_scale,
.initial_cpb_removal_delay_length_minus1 = src->initial_cpb_removal_delay_length_minus1,
.au_cpb_removal_delay_length_minus1 = src->au_cpb_removal_delay_length_minus1,
.dpb_output_delay_length_minus1 = src->dpb_output_delay_length_minus1,
/* Reserved - 3*16 bits */
.pSubLayerHrdParametersNal = sls[i].nal_hdr,
.pSubLayerHrdParametersVcl = sls[i].vcl_hdr,
};
memcpy(sls_hdr[i].cpb_cnt_minus1, src->cpb_cnt_minus1,
STD_VIDEO_H265_SUBLAYERS_LIST_SIZE*sizeof(*sls_hdr[i].cpb_cnt_minus1));
memcpy(sls_hdr[i].elemental_duration_in_tc_minus1, src->elemental_duration_in_tc_minus1,
STD_VIDEO_H265_SUBLAYERS_LIST_SIZE*sizeof(*sls_hdr[i].elemental_duration_in_tc_minus1));
memcpy(sls[i].nal_hdr, src->nal_params, HEVC_MAX_SUB_LAYERS*sizeof(*sls[i].nal_hdr));
memcpy(sls[i].vcl_hdr, src->vcl_params, HEVC_MAX_SUB_LAYERS*sizeof(*sls[i].vcl_hdr));
}
*ptl = (StdVideoH265ProfileTierLevel) {
.flags = (StdVideoH265ProfileTierLevelFlags) {
.general_tier_flag = vps->ptl.general_ptl.tier_flag,
.general_progressive_source_flag = vps->ptl.general_ptl.progressive_source_flag,
.general_interlaced_source_flag = vps->ptl.general_ptl.interlaced_source_flag,
.general_non_packed_constraint_flag = vps->ptl.general_ptl.non_packed_constraint_flag,
.general_frame_only_constraint_flag = vps->ptl.general_ptl.frame_only_constraint_flag,
},
.general_profile_idc = vps->ptl.general_ptl.profile_idc,
.general_level_idc = convert_to_vk_level_idc(vps->ptl.general_ptl.level_idc),
};
for (int i = 0; i < vps->vps_max_sub_layers; i++) {
dpbm->max_latency_increase_plus1[i] = vps->vps_max_latency_increase[i] + 1;
dpbm->max_dec_pic_buffering_minus1[i] = vps->vps_max_dec_pic_buffering[i] - 1;
dpbm->max_num_reorder_pics[i] = vps->vps_num_reorder_pics[i];
}
*vkvps = (StdVideoH265VideoParameterSet) {
.flags = (StdVideoH265VpsFlags) {
.vps_temporal_id_nesting_flag = vps->vps_temporal_id_nesting_flag,
.vps_sub_layer_ordering_info_present_flag = vps->vps_sub_layer_ordering_info_present_flag,
.vps_timing_info_present_flag = vps->vps_timing_info_present_flag,
.vps_poc_proportional_to_timing_flag = vps->vps_poc_proportional_to_timing_flag,
},
.vps_video_parameter_set_id = vps->vps_id,
.vps_max_sub_layers_minus1 = vps->vps_max_sub_layers - 1,
/* Reserved */
/* Reserved */
.vps_num_units_in_tick = vps->vps_num_units_in_tick,
.vps_time_scale = vps->vps_time_scale,
.vps_num_ticks_poc_diff_one_minus1 = vps->vps_num_ticks_poc_diff_one - 1,
/* Reserved */
.pDecPicBufMgr = dpbm,
.pHrdParameters = sls_hdr,
.pProfileTierLevel = ptl,
};
}
static int vk_hevc_create_params(AVCodecContext *avctx, AVBufferRef **buf)
{
int err;
VkResult ret;
const HEVCContext *h = avctx->priv_data;
FFVulkanDecodeContext *dec = avctx->internal->hwaccel_priv_data;
FFVulkanDecodeShared *ctx = (FFVulkanDecodeShared *)dec->shared_ref->data;
FFVulkanFunctions *vk = &ctx->s.vkfn;
VkVideoDecodeH265SessionParametersAddInfoKHR h265_params_info = {
.sType = VK_STRUCTURE_TYPE_VIDEO_DECODE_H265_SESSION_PARAMETERS_ADD_INFO_KHR,
.stdSPSCount = 0,
.stdPPSCount = 0,
.stdVPSCount = 0,
};
VkVideoDecodeH265SessionParametersCreateInfoKHR h265_params = {
.sType = VK_STRUCTURE_TYPE_VIDEO_DECODE_H265_SESSION_PARAMETERS_CREATE_INFO_KHR,
.pParametersAddInfo = &h265_params_info,
};
VkVideoSessionParametersCreateInfoKHR session_params_create = {
.sType = VK_STRUCTURE_TYPE_VIDEO_SESSION_PARAMETERS_CREATE_INFO_KHR,
.pNext = &h265_params,
.videoSession = ctx->common.session,
.videoSessionParametersTemplate = NULL,
};
int nb_vps = 0;
AVBufferRef *data_set;
HEVCHeaderSet *hdr;
AVBufferRef *tmp;
VkVideoSessionParametersKHR *par = av_malloc(sizeof(*par));
if (!par)
return AVERROR(ENOMEM);
for (int i = 0; h->ps.vps_list[i]; i++)
nb_vps++;
err = get_data_set_buf(dec, &data_set, nb_vps, h->ps.vps_list);
if (err < 0)
return err;
hdr = (HEVCHeaderSet *)data_set->data;
h265_params_info.pStdSPSs = hdr->sps;
h265_params_info.pStdPPSs = hdr->pps;
h265_params_info.pStdVPSs = hdr->vps;
/* SPS list */
for (int i = 0; h->ps.sps_list[i]; i++) {
const HEVCSPS *sps_l = (const HEVCSPS *)h->ps.sps_list[i]->data;
set_sps(sps_l, i, &hdr->hsps[i].scaling, &hdr->hsps[i].vui_header,
&hdr->hsps[i].vui, &hdr->sps[i], hdr->hsps[i].nal_hdr,
hdr->hsps[i].vcl_hdr, &hdr->hsps[i].ptl, &hdr->hsps[i].dpbm,
&hdr->hsps[i].pal, hdr->hsps[i].str, &hdr->hsps[i].ltr);
h265_params_info.stdSPSCount++;
}
/* PPS list */
for (int i = 0; h->ps.pps_list[i]; i++) {
const HEVCPPS *pps_l = (const HEVCPPS *)h->ps.pps_list[i]->data;
const HEVCSPS *sps_l = (const HEVCSPS *)h->ps.sps_list[pps_l->sps_id]->data;
set_pps(pps_l, sps_l, &hdr->hpps[i].scaling, &hdr->pps[i], &hdr->hpps[i].pal);
h265_params_info.stdPPSCount++;
}
/* VPS list */
for (int i = 0; i < nb_vps; i++) {
const HEVCVPS *vps_l = (const HEVCVPS *)h->ps.vps_list[i]->data;
set_vps(vps_l, &hdr->vps[i], &hdr->hvps[i].ptl, &hdr->hvps[i].dpbm,
hdr->hvps[i].hdr, hdr->hvps[i].sls);
h265_params_info.stdVPSCount++;
}
h265_params.maxStdSPSCount = h265_params_info.stdSPSCount;
h265_params.maxStdPPSCount = h265_params_info.stdPPSCount;
h265_params.maxStdVPSCount = h265_params_info.stdVPSCount;
/* Create session parameters */
ret = vk->CreateVideoSessionParametersKHR(ctx->s.hwctx->act_dev, &session_params_create,
ctx->s.hwctx->alloc, par);
av_buffer_unref(&data_set);
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: %i SPS %i PPS %i VPS\n",
h265_params_info.stdSPSCount, h265_params_info.stdPPSCount,
h265_params_info.stdVPSCount);
*buf = tmp;
return 0;
}
static int vk_hevc_start_frame(AVCodecContext *avctx,
av_unused const uint8_t *buffer,
av_unused uint32_t size)
{
int err;
HEVCContext *h = avctx->priv_data;
HEVCFrame *pic = h->ref;
FFVulkanDecodeContext *dec = avctx->internal->hwaccel_priv_data;
HEVCVulkanDecodePicture *hp = pic->hwaccel_picture_private;
FFVulkanDecodePicture *vp = &hp->vp;
const HEVCSPS *sps = h->ps.sps;
const HEVCPPS *pps = h->ps.pps;
int nb_refs = 0;
if (!dec->session_params) {
err = vk_hevc_create_params(avctx, &dec->session_params);
if (err < 0)
return err;
}
hp->h265pic = (StdVideoDecodeH265PictureInfo) {
.flags = (StdVideoDecodeH265PictureInfoFlags) {
.IrapPicFlag = IS_IRAP(h),
.IdrPicFlag = IS_IDR(h),
.IsReference = h->nal_unit_type < 16 ? h->nal_unit_type & 1 : 1,
.short_term_ref_pic_set_sps_flag = h->sh.short_term_ref_pic_set_sps_flag,
},
.sps_video_parameter_set_id = sps->vps_id,
.pps_seq_parameter_set_id = pps->sps_id,
.pps_pic_parameter_set_id = pps->pps_id,
.NumDeltaPocsOfRefRpsIdx = h->sh.short_term_rps ? h->sh.short_term_rps->rps_idx_num_delta_pocs : 0,
.PicOrderCntVal = h->poc,
.NumBitsForSTRefPicSetInSlice = !h->sh.short_term_ref_pic_set_sps_flag ?
h->sh.short_term_ref_pic_set_size : 0,
};
/* Fill in references */
for (int i = 0; i < FF_ARRAY_ELEMS(h->DPB); i++) {
const HEVCFrame *ref = &h->DPB[i];
int idx = nb_refs;
if (!(ref->flags & (HEVC_FRAME_FLAG_SHORT_REF | HEVC_FRAME_FLAG_LONG_REF)))
continue;
if (ref == pic) {
err = vk_hevc_fill_pict(avctx, NULL, &vp->ref_slot, &vp->ref,
&hp->vkh265_ref, &hp->h265_ref, pic, 1, i);
if (err < 0)
return err;
continue;
}
err = vk_hevc_fill_pict(avctx, &hp->ref_src[idx], &vp->ref_slots[idx],
&vp->refs[idx], &hp->vkh265_refs[idx],
&hp->h265_refs[idx], (HEVCFrame *)ref, 0, i);
if (err < 0)
return err;
nb_refs++;
}
memset(hp->h265pic.RefPicSetStCurrBefore, 0xff, 8);
for (int i = 0; i < h->rps[ST_CURR_BEF].nb_refs; i++) {
HEVCFrame *frame = h->rps[ST_CURR_BEF].ref[i];
for (int j = 0; j < FF_ARRAY_ELEMS(h->DPB); j++) {
const HEVCFrame *ref = &h->DPB[j];
if (ref == frame) {
hp->h265pic.RefPicSetStCurrBefore[i] = j;
break;
}
}
}
memset(hp->h265pic.RefPicSetStCurrAfter, 0xff, 8);
for (int i = 0; i < h->rps[ST_CURR_AFT].nb_refs; i++) {
HEVCFrame *frame = h->rps[ST_CURR_AFT].ref[i];
for (int j = 0; j < FF_ARRAY_ELEMS(h->DPB); j++) {
const HEVCFrame *ref = &h->DPB[j];
if (ref == frame) {
hp->h265pic.RefPicSetStCurrAfter[i] = j;
break;
}
}
}
memset(hp->h265pic.RefPicSetLtCurr, 0xff, 8);
for (int i = 0; i < h->rps[LT_CURR].nb_refs; i++) {
HEVCFrame *frame = h->rps[LT_CURR].ref[i];
for (int j = 0; j < FF_ARRAY_ELEMS(h->DPB); j++) {
const HEVCFrame *ref = &h->DPB[j];
if (ref == frame) {
hp->h265pic.RefPicSetLtCurr[i] = j;
break;
}
}
}
hp->h265_pic_info = (VkVideoDecodeH265PictureInfoKHR) {
.sType = VK_STRUCTURE_TYPE_VIDEO_DECODE_H265_PICTURE_INFO_KHR,
.pStdPictureInfo = &hp->h265pic,
.sliceSegmentCount = 0,
};
vp->decode_info = (VkVideoDecodeInfoKHR) {
.sType = VK_STRUCTURE_TYPE_VIDEO_DECODE_INFO_KHR,
.pNext = &hp->h265_pic_info,
.flags = 0x0,
.pSetupReferenceSlot = &vp->ref_slot,
.referenceSlotCount = nb_refs,
.pReferenceSlots = vp->ref_slots,
.dstPictureResource = (VkVideoPictureResourceInfoKHR) {
.sType = VK_STRUCTURE_TYPE_VIDEO_PICTURE_RESOURCE_INFO_KHR,
.codedOffset = (VkOffset2D){ 0, 0 },
.codedExtent = (VkExtent2D){ pic->frame->width, pic->frame->height },
.baseArrayLayer = 0,
.imageViewBinding = vp->img_view_out,
},
};
return 0;
}
static int vk_hevc_decode_slice(AVCodecContext *avctx,
const uint8_t *data,
uint32_t size)
{
const HEVCContext *h = avctx->priv_data;
HEVCVulkanDecodePicture *hp = h->ref->hwaccel_picture_private;
FFVulkanDecodePicture *vp = &hp->vp;
int err = ff_vk_decode_add_slice(avctx, vp, data, size, 1,
&hp->h265_pic_info.sliceSegmentCount,
&hp->h265_pic_info.pSliceSegmentOffsets);
if (err < 0)
return err;
return 0;
}
static int vk_hevc_end_frame(AVCodecContext *avctx)
{
const HEVCContext *h = avctx->priv_data;
FFVulkanDecodeContext *dec = avctx->internal->hwaccel_priv_data;
HEVCFrame *pic = h->ref;
HEVCVulkanDecodePicture *hp = pic->hwaccel_picture_private;
FFVulkanDecodePicture *vp = &hp->vp;
FFVulkanDecodePicture *rvp[HEVC_MAX_REFS] = { 0 };
AVFrame *rav[HEVC_MAX_REFS] = { 0 };
int err;
if (!hp->h265_pic_info.sliceSegmentCount)
return 0;
if (!dec->session_params) {
const HEVCSPS *sps = h->ps.sps;
const HEVCPPS *pps = h->ps.pps;
if (!pps) {
unsigned int pps_id = h->sh.pps_id;
if (pps_id < HEVC_MAX_PPS_COUNT && h->ps.pps_list[pps_id] != NULL)
pps = (const HEVCPPS *)h->ps.pps_list[pps_id]->data;
}
if (!pps) {
av_log(avctx, AV_LOG_ERROR,
"Encountered frame without a valid active PPS reference.\n");
return AVERROR_INVALIDDATA;
}
err = vk_hevc_create_params(avctx, &dec->session_params);
if (err < 0)
return err;
hp->h265pic.sps_video_parameter_set_id = sps->vps_id;
hp->h265pic.pps_seq_parameter_set_id = pps->sps_id;
hp->h265pic.pps_pic_parameter_set_id = pps->pps_id;
}
for (int i = 0; i < vp->decode_info.referenceSlotCount; i++) {
HEVCVulkanDecodePicture *rfhp = hp->ref_src[i]->hwaccel_picture_private;
rav[i] = hp->ref_src[i]->frame;
rvp[i] = &rfhp->vp;
}
av_log(avctx, AV_LOG_VERBOSE, "Decoding frame, %"SIZE_SPECIFIER" bytes, %i slices\n",
vp->slices_size, hp->h265_pic_info.sliceSegmentCount);
return ff_vk_decode_frame(avctx, pic->frame, vp, rav, rvp);
}
static void vk_hevc_free_frame_priv(void *_hwctx, uint8_t *data)
{
AVHWDeviceContext *hwctx = _hwctx;
HEVCVulkanDecodePicture *hp = (HEVCVulkanDecodePicture *)data;
/* Free frame resources */
ff_vk_decode_free_frame(hwctx, &hp->vp);
/* Free frame context */
av_free(hp);
}
const FFHWAccel ff_hevc_vulkan_hwaccel = {
.p.name = "hevc_vulkan",
.p.type = AVMEDIA_TYPE_VIDEO,
.p.id = AV_CODEC_ID_HEVC,
.p.pix_fmt = AV_PIX_FMT_VULKAN,
.start_frame = &vk_hevc_start_frame,
.decode_slice = &vk_hevc_decode_slice,
.end_frame = &vk_hevc_end_frame,
.free_frame_priv = &vk_hevc_free_frame_priv,
.frame_priv_data_size = sizeof(HEVCVulkanDecodePicture),
.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),
.caps_internal = HWACCEL_CAP_ASYNC_SAFE | HWACCEL_CAP_THREAD_SAFE,
};