diff options
author | ManojGuptaBonda <mbonda-at-nvidia.com@ffmpeg.org> | 2022-05-16 18:45:58 +0530 |
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committer | Philip Langdale <philipl@overt.org> | 2022-06-25 09:05:58 +0800 |
commit | a44fba0b5b3b4090f9238751736198ddd1f0f1d5 (patch) | |
tree | c598835ac4288f495be4f4d864fa5e1d67b0551a /libavcodec/vdpau_av1.c | |
parent | cf30b538e522703924ce3ef68ddfbd557a29d93f (diff) |
AV1 VDPAU hwaccel Decode support
Support for VDPAU accelerated AV1 decoding was added with libvdpau-1.5.
Support for the same in ffmpeg is added with this patch. Profiles
related to VDPAU AV1 can be found in latest vdpau.h present in
libvdpau-1.5.
Add AV1 VDPAU to list of hwaccels and supported formats
Added file vdpau_av1.c and Modified configure to add VDPAU AV1 support.
Mapped AV1 profiles to VDPAU AV1 profiles. Populated the codec specific
params that need to be passed to VDPAU.
Signed-off-by: Philip Langdale <philipl@overt.org>
Diffstat (limited to 'libavcodec/vdpau_av1.c')
-rw-r--r-- | libavcodec/vdpau_av1.c | 370 |
1 files changed, 370 insertions, 0 deletions
diff --git a/libavcodec/vdpau_av1.c b/libavcodec/vdpau_av1.c new file mode 100644 index 0000000000..3c3c8e61d1 --- /dev/null +++ b/libavcodec/vdpau_av1.c @@ -0,0 +1,370 @@ +/* + * AV1 HW decode acceleration through VDPAU + * + * Copyright (c) 2022 Manoj Gupta Bonda + * + * 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 <vdpau/vdpau.h> +#include "libavutil/pixdesc.h" +#include "avcodec.h" +#include "internal.h" +#include "av1dec.h" +#include "hwconfig.h" +#include "vdpau.h" +#include "vdpau_internal.h" + +static int get_bit_depth_from_seq(const AV1RawSequenceHeader *seq) +{ + if (seq->seq_profile == 2 && seq->color_config.high_bitdepth) { + return seq->color_config.twelve_bit ? 12 : 10; + } else if (seq->seq_profile <= 2 && seq->color_config.high_bitdepth) { + return 10; + } else { + return 8; + } +} + +static int vdpau_av1_start_frame(AVCodecContext *avctx, + const uint8_t *buffer, uint32_t size) +{ + AV1DecContext *s = avctx->priv_data; + const AV1RawSequenceHeader *seq = s->raw_seq; + const AV1RawFrameHeader *frame_header = s->raw_frame_header; + const AV1RawFilmGrainParams *film_grain = &s->cur_frame.film_grain; + + struct vdpau_picture_context *pic_ctx = s->cur_frame.hwaccel_picture_private; + int i,j; + + unsigned char remap_lr_type[4] = { AV1_RESTORE_NONE, AV1_RESTORE_SWITCHABLE, AV1_RESTORE_WIENER, AV1_RESTORE_SGRPROJ }; + + + VdpPictureInfoAV1 *info = &pic_ctx->info.av1; + const AVPixFmtDescriptor *pixdesc = av_pix_fmt_desc_get(avctx->sw_pix_fmt); + if (!pixdesc) { + return AV_PIX_FMT_NONE; + } + + info->width = avctx->width; + info->height = avctx->height; + + + info->frame_offset = frame_header->order_hint; + + /* Sequence Header */ + info->profile = seq->seq_profile; + info->use_128x128_superblock = seq->use_128x128_superblock; + info->subsampling_x = seq->color_config.subsampling_x; + info->subsampling_y = seq->color_config.subsampling_y; + info->mono_chrome = seq->color_config.mono_chrome; + info->bit_depth_minus8 = get_bit_depth_from_seq(seq) - 8; + info->enable_filter_intra = seq->enable_filter_intra; + info->enable_intra_edge_filter = seq->enable_intra_edge_filter; + info->enable_interintra_compound = seq->enable_interintra_compound; + info->enable_masked_compound = seq->enable_masked_compound; + info->enable_dual_filter = seq->enable_dual_filter; + info->enable_order_hint = seq->enable_order_hint; + info->order_hint_bits_minus1 = seq->order_hint_bits_minus_1; + info->enable_jnt_comp = seq->enable_jnt_comp; + info->enable_superres = seq->enable_superres; + info->enable_cdef = seq->enable_cdef; + info->enable_restoration = seq->enable_restoration; + info->enable_fgs = seq->film_grain_params_present; + + /* Frame Header */ + info->frame_type = frame_header->frame_type; + info->show_frame = frame_header->show_frame; + info->disable_cdf_update = frame_header->disable_cdf_update; + info->allow_screen_content_tools = frame_header->allow_screen_content_tools; + info->force_integer_mv = frame_header->force_integer_mv || + frame_header->frame_type == AV1_FRAME_INTRA_ONLY || + frame_header->frame_type == AV1_FRAME_KEY; + info->coded_denom = frame_header->coded_denom; + info->allow_intrabc = frame_header->allow_intrabc; + info->allow_high_precision_mv = frame_header->allow_high_precision_mv; + info->interp_filter = frame_header->interpolation_filter; + info->switchable_motion_mode = frame_header->is_motion_mode_switchable; + info->use_ref_frame_mvs = frame_header->use_ref_frame_mvs; + info->disable_frame_end_update_cdf = frame_header->disable_frame_end_update_cdf; + info->delta_q_present = frame_header->delta_q_present; + info->delta_q_res = frame_header->delta_q_res; + info->using_qmatrix = frame_header->using_qmatrix; + info->coded_lossless = s->cur_frame.coded_lossless; + info->use_superres = frame_header->use_superres; + info->tx_mode = frame_header->tx_mode; + info->reference_mode = frame_header->reference_select; + info->allow_warped_motion = frame_header->allow_warped_motion; + info->reduced_tx_set = frame_header->reduced_tx_set; + info->skip_mode = frame_header->skip_mode_present; + + /* Tiling Info */ + info->num_tile_cols = frame_header->tile_cols; + info->num_tile_rows = frame_header->tile_rows; + info->context_update_tile_id = frame_header->context_update_tile_id; + + /* CDEF */ + info->cdef_damping_minus_3 = frame_header->cdef_damping_minus_3; + info->cdef_bits = frame_header->cdef_bits; + + /* SkipModeFrames */ + info->SkipModeFrame0 = frame_header->skip_mode_present ? + s->cur_frame.skip_mode_frame_idx[0] : 0; + info->SkipModeFrame1 = frame_header->skip_mode_present ? + s->cur_frame.skip_mode_frame_idx[1] : 0; + + /* QP Information */ + info->base_qindex = frame_header->base_q_idx; + info->qp_y_dc_delta_q = frame_header->delta_q_y_dc; + info->qp_u_dc_delta_q = frame_header->delta_q_u_dc; + info->qp_v_dc_delta_q = frame_header->delta_q_v_dc; + info->qp_u_ac_delta_q = frame_header->delta_q_u_ac; + info->qp_v_ac_delta_q = frame_header->delta_q_v_ac; + info->qm_y = frame_header->qm_y; + info->qm_u = frame_header->qm_u; + info->qm_v = frame_header->qm_v; + + /* Segmentation */ + info->segmentation_enabled = frame_header->segmentation_enabled; + info->segmentation_update_map = frame_header->segmentation_update_map; + info->segmentation_update_data = frame_header->segmentation_update_data; + info->segmentation_temporal_update = frame_header->segmentation_temporal_update; + + /* Loopfilter */ + info->loop_filter_level[0] = frame_header->loop_filter_level[0]; + info->loop_filter_level[1] = frame_header->loop_filter_level[1]; + info->loop_filter_level_u = frame_header->loop_filter_level[2]; + info->loop_filter_level_v = frame_header->loop_filter_level[3]; + info->loop_filter_sharpness = frame_header->loop_filter_sharpness; + info->loop_filter_delta_enabled = frame_header->loop_filter_delta_enabled; + info->loop_filter_delta_update = frame_header->loop_filter_delta_update; + info->loop_filter_mode_deltas[0] = frame_header->loop_filter_mode_deltas[0]; + info->loop_filter_mode_deltas[1] = frame_header->loop_filter_mode_deltas[1]; + info->delta_lf_present = frame_header->delta_lf_present; + info->delta_lf_res = frame_header->delta_lf_res; + info->delta_lf_multi = frame_header->delta_lf_multi; + + /* Restoration */ + info->lr_type[0] = remap_lr_type[frame_header->lr_type[0]]; + info->lr_type[1] = remap_lr_type[frame_header->lr_type[1]]; + info->lr_type[2] = remap_lr_type[frame_header->lr_type[2]]; + info->lr_unit_size[0] = 1 + frame_header->lr_unit_shift; + info->lr_unit_size[1] = 1 + frame_header->lr_unit_shift - frame_header->lr_uv_shift; + info->lr_unit_size[2] = 1 + frame_header->lr_unit_shift - frame_header->lr_uv_shift; + + /* Reference Frames */ + info->temporal_layer_id = s->cur_frame.temporal_id; + info->spatial_layer_id = s->cur_frame.spatial_id; + + /* Film Grain Params */ + info->apply_grain = film_grain->apply_grain; + info->overlap_flag = film_grain->overlap_flag; + info->scaling_shift_minus8 = film_grain->grain_scaling_minus_8; + info->chroma_scaling_from_luma = film_grain->chroma_scaling_from_luma; + info->ar_coeff_lag = film_grain->ar_coeff_lag; + info->ar_coeff_shift_minus6 = film_grain->ar_coeff_shift_minus_6; + info->grain_scale_shift = film_grain->grain_scale_shift; + info->clip_to_restricted_range = film_grain->clip_to_restricted_range; + info->num_y_points = film_grain->num_y_points; + info->num_cb_points = film_grain->num_cb_points; + info->num_cr_points = film_grain->num_cr_points; + info->random_seed = film_grain->grain_seed; + info->cb_mult = film_grain->cb_mult; + info->cb_luma_mult = film_grain->cb_luma_mult; + info->cb_offset = film_grain->cb_offset; + info->cr_mult = film_grain->cr_mult; + info->cr_luma_mult = film_grain->cr_luma_mult; + info->cr_offset = film_grain->cr_offset; + + /* Tiling Info */ + for (i = 0; i < frame_header->tile_cols; ++i) { + info->tile_widths[i] = frame_header->width_in_sbs_minus_1[i] + 1; + } + for (i = 0; i < frame_header->tile_rows; ++i) { + info->tile_heights[i] = frame_header->height_in_sbs_minus_1[i] + 1; + } + + /* CDEF */ + for (i = 0; i < (1 << frame_header->cdef_bits); ++i) { + info->cdef_y_strength[i] = (frame_header->cdef_y_pri_strength[i] & 0x0F) | (frame_header->cdef_y_sec_strength[i] << 4); + info->cdef_uv_strength[i] = (frame_header->cdef_uv_pri_strength[i] & 0x0F) | (frame_header->cdef_uv_sec_strength[i] << 4); + } + + + /* Segmentation */ + for (i = 0; i < AV1_MAX_SEGMENTS; ++i) { + info->segmentation_feature_mask[i] = 0; + for (j = 0; j < AV1_SEG_LVL_MAX; ++j) { + info->segmentation_feature_mask[i] |= frame_header->feature_enabled[i][j] << j; + info->segmentation_feature_data[i][j] = frame_header->feature_value[i][j]; + } + } + + for (i = 0; i < AV1_NUM_REF_FRAMES; ++i) { + /* Loopfilter */ + info->loop_filter_ref_deltas[i] = frame_header->loop_filter_ref_deltas[i]; + + /* Reference Frames */ + info->ref_frame_map[i] = ff_vdpau_get_surface_id(s->ref[i].f) ? ff_vdpau_get_surface_id(s->ref[i].f) : VDP_INVALID_HANDLE; + } + + if (frame_header->primary_ref_frame == AV1_PRIMARY_REF_NONE) { + info->primary_ref_frame = -1; + } else { + int8_t pri_ref_idx = frame_header->ref_frame_idx[frame_header->primary_ref_frame]; + info->primary_ref_frame = info->ref_frame_map[pri_ref_idx]; + } + + for (i = 0; i < AV1_REFS_PER_FRAME; ++i) { + /* Ref Frame List */ + int8_t ref_idx = frame_header->ref_frame_idx[i]; + AVFrame *ref_frame = s->ref[ref_idx].f; + + info->ref_frame[i].index = info->ref_frame_map[ref_idx]; + info->ref_frame[i].width = ref_frame->width; + info->ref_frame[i].height = ref_frame->height; + + /* Global Motion */ + info->global_motion[i].invalid = !frame_header->is_global[AV1_REF_FRAME_LAST + i]; + info->global_motion[i].wmtype = s->cur_frame.gm_type[AV1_REF_FRAME_LAST + i]; + for (j = 0; j < 6; ++j) { + info->global_motion[i].wmmat[j] = s->cur_frame.gm_params[AV1_REF_FRAME_LAST + i][j]; + } + } + + /* Film Grain Params */ + if (film_grain->apply_grain) { + for (i = 0; i < 14; ++i) { + info->scaling_points_y[i][0] = film_grain->point_y_value[i]; + info->scaling_points_y[i][1] = film_grain->point_y_scaling[i]; + } + for (i = 0; i < 10; ++i) { + info->scaling_points_cb[i][0] = film_grain->point_cb_value[i]; + info->scaling_points_cb[i][1] = film_grain->point_cb_scaling[i]; + info->scaling_points_cr[i][0] = film_grain->point_cr_value[i]; + info->scaling_points_cr[i][1] = film_grain->point_cr_scaling[i]; + } + for (i = 0; i < 24; ++i) { + info->ar_coeffs_y[i] = (short)film_grain->ar_coeffs_y_plus_128[i] - 128; + } + for (i = 0; i < 25; ++i) { + info->ar_coeffs_cb[i] = (short)film_grain->ar_coeffs_cb_plus_128[i] - 128; + info->ar_coeffs_cr[i] = (short)film_grain->ar_coeffs_cr_plus_128[i] - 128; + } + } + + + return ff_vdpau_common_start_frame(pic_ctx, buffer, size); + +} + +static int vdpau_av1_decode_slice(AVCodecContext *avctx, + const uint8_t *buffer, uint32_t size) +{ + const AV1DecContext *s = avctx->priv_data; + const AV1RawFrameHeader *frame_header = s->raw_frame_header; + struct vdpau_picture_context *pic_ctx = s->cur_frame.hwaccel_picture_private; + VdpPictureInfoAV1 *info = &pic_ctx->info.av1; + int val; + int nb_slices; + VdpBitstreamBuffer *buffers = pic_ctx->bitstream_buffers; + int bitstream_len = 0; + + nb_slices = frame_header->tile_cols * frame_header->tile_rows; + /* Shortcut if all tiles are in the same buffer*/ + if (nb_slices == s->tg_end - s->tg_start + 1) { + for (int i = 0; i < nb_slices; ++i) { + info->tile_info[i*2 ] = s->tile_group_info[i].tile_offset; + info->tile_info[i*2 + 1] = info->tile_info[i*2] + s->tile_group_info[i].tile_size; + } + val = ff_vdpau_add_buffer(pic_ctx, buffer, size); + if (val) { + return val; + } + + return 0; + } + + for(int i = 0; i < pic_ctx->bitstream_buffers_used; i++) { + bitstream_len += buffers->bitstream_bytes; + buffers++; + } + + for (uint32_t tile_num = s->tg_start; tile_num <= s->tg_end; ++tile_num) { + info->tile_info[tile_num*2 ] = bitstream_len + s->tile_group_info[tile_num].tile_offset; + info->tile_info[tile_num*2 + 1] = info->tile_info[tile_num*2] + s->tile_group_info[tile_num].tile_size; + } + + val = ff_vdpau_add_buffer(pic_ctx, buffer, size); + if (val) { + return val; + } + + return 0; +} + +static int vdpau_av1_end_frame(AVCodecContext *avctx) +{ + const AV1DecContext *s = avctx->priv_data; + struct vdpau_picture_context *pic_ctx = s->cur_frame.hwaccel_picture_private; + + int val; + + val = ff_vdpau_common_end_frame(avctx, s->cur_frame.f, pic_ctx); + if (val < 0) + return val; + + return 0; +} + +static int vdpau_av1_init(AVCodecContext *avctx) +{ + VdpDecoderProfile profile; + uint32_t level = avctx->level; + + switch (avctx->profile) { + case FF_PROFILE_AV1_MAIN: + profile = VDP_DECODER_PROFILE_AV1_MAIN; + break; + case FF_PROFILE_AV1_HIGH: + profile = VDP_DECODER_PROFILE_AV1_HIGH; + break; + case FF_PROFILE_AV1_PROFESSIONAL: + profile = VDP_DECODER_PROFILE_AV1_PROFESSIONAL; + break; + default: + return AVERROR(ENOTSUP); + } + + return ff_vdpau_common_init(avctx, profile, level); +} + +const AVHWAccel ff_av1_vdpau_hwaccel = { + .name = "av1_vdpau", + .type = AVMEDIA_TYPE_VIDEO, + .id = AV_CODEC_ID_AV1, + .pix_fmt = AV_PIX_FMT_VDPAU, + .start_frame = vdpau_av1_start_frame, + .end_frame = vdpau_av1_end_frame, + .decode_slice = vdpau_av1_decode_slice, + .frame_priv_data_size = sizeof(struct vdpau_picture_context), + .init = vdpau_av1_init, + .uninit = ff_vdpau_common_uninit, + .frame_params = ff_vdpau_common_frame_params, + .priv_data_size = sizeof(VDPAUContext), + .caps_internal = HWACCEL_CAP_ASYNC_SAFE, +}; |