From ac5b45abab3815c36c9110f979b547b2189e739d Mon Sep 17 00:00:00 2001 From: Timo Rothenpieler Date: Sat, 17 Oct 2020 18:16:54 +0200 Subject: avcodec/nvdec: add av1 hwaccel Signed-off-by: Timo Rothenpieler Co-authored-by: James Almer --- libavcodec/Makefile | 1 + libavcodec/av1dec.c | 11 +- libavcodec/hwaccels.h | 1 + libavcodec/nvdec.c | 4 + libavcodec/nvdec.h | 1 + libavcodec/nvdec_av1.c | 349 +++++++++++++++++++++++++++++++++++++++++++++++++ libavcodec/version.h | 2 +- 7 files changed, 367 insertions(+), 2 deletions(-) create mode 100644 libavcodec/nvdec_av1.c (limited to 'libavcodec') diff --git a/libavcodec/Makefile b/libavcodec/Makefile index 9d75dd68af..0c8aee39b3 100644 --- a/libavcodec/Makefile +++ b/libavcodec/Makefile @@ -912,6 +912,7 @@ OBJS-$(CONFIG_VAAPI) += vaapi_decode.o OBJS-$(CONFIG_VIDEOTOOLBOX) += videotoolbox.o OBJS-$(CONFIG_VDPAU) += vdpau.o +OBJS-$(CONFIG_AV1_NVDEC_HWACCEL) += nvdec_av1.o OBJS-$(CONFIG_AV1_VAAPI_HWACCEL) += vaapi_av1.o OBJS-$(CONFIG_H263_VAAPI_HWACCEL) += vaapi_mpeg4.o OBJS-$(CONFIG_H263_VIDEOTOOLBOX_HWACCEL) += videotoolbox.o diff --git a/libavcodec/av1dec.c b/libavcodec/av1dec.c index 7185ad827c..1078f708f7 100644 --- a/libavcodec/av1dec.c +++ b/libavcodec/av1dec.c @@ -317,7 +317,7 @@ static int get_pixel_format(AVCodecContext *avctx) uint8_t bit_depth; int ret; enum AVPixelFormat pix_fmt = AV_PIX_FMT_NONE; -#define HWACCEL_MAX (CONFIG_AV1_VAAPI_HWACCEL) +#define HWACCEL_MAX (CONFIG_AV1_NVDEC_HWACCEL + CONFIG_AV1_VAAPI_HWACCEL) enum AVPixelFormat pix_fmts[HWACCEL_MAX + 2], *fmtp = pix_fmts; if (seq->seq_profile == 2 && seq->color_config.high_bitdepth) @@ -380,11 +380,17 @@ static int get_pixel_format(AVCodecContext *avctx) switch (s->pix_fmt) { case AV_PIX_FMT_YUV420P: +#if CONFIG_AV1_NVDEC_HWACCEL + *fmtp++ = AV_PIX_FMT_CUDA; +#endif #if CONFIG_AV1_VAAPI_HWACCEL *fmtp++ = AV_PIX_FMT_VAAPI; #endif break; case AV_PIX_FMT_YUV420P10: +#if CONFIG_AV1_NVDEC_HWACCEL + *fmtp++ = AV_PIX_FMT_CUDA; +#endif #if CONFIG_AV1_VAAPI_HWACCEL *fmtp++ = AV_PIX_FMT_VAAPI; #endif @@ -968,6 +974,9 @@ AVCodec ff_av1_decoder = { .flush = av1_decode_flush, .profiles = NULL_IF_CONFIG_SMALL(ff_av1_profiles), .hw_configs = (const AVCodecHWConfigInternal * []) { +#if CONFIG_AV1_NVDEC_HWACCEL + HWACCEL_NVDEC(av1), +#endif #if CONFIG_AV1_VAAPI_HWACCEL HWACCEL_VAAPI(av1), #endif diff --git a/libavcodec/hwaccels.h b/libavcodec/hwaccels.h index 18e9079c55..6c698f6764 100644 --- a/libavcodec/hwaccels.h +++ b/libavcodec/hwaccels.h @@ -21,6 +21,7 @@ #include "avcodec.h" +extern const AVHWAccel ff_av1_nvdec_hwaccel; extern const AVHWAccel ff_av1_vaapi_hwaccel; extern const AVHWAccel ff_h263_vaapi_hwaccel; extern const AVHWAccel ff_h263_videotoolbox_hwaccel; diff --git a/libavcodec/nvdec.c b/libavcodec/nvdec.c index 52a431c54d..48281293ce 100644 --- a/libavcodec/nvdec.c +++ b/libavcodec/nvdec.c @@ -62,6 +62,9 @@ typedef struct NVDECFramePool { static int map_avcodec_id(enum AVCodecID id) { switch (id) { +#if CONFIG_AV1_NVDEC_HWACCEL + case AV_CODEC_ID_AV1: return cudaVideoCodec_AV1; +#endif case AV_CODEC_ID_H264: return cudaVideoCodec_H264; case AV_CODEC_ID_HEVC: return cudaVideoCodec_HEVC; case AV_CODEC_ID_MJPEG: return cudaVideoCodec_JPEG; @@ -258,6 +261,7 @@ int ff_nvdec_decode_uninit(AVCodecContext *avctx) NVDECContext *ctx = avctx->internal->hwaccel_priv_data; av_freep(&ctx->bitstream); + av_freep(&ctx->bitstream_internal); ctx->bitstream_len = 0; ctx->bitstream_allocated = 0; diff --git a/libavcodec/nvdec.h b/libavcodec/nvdec.h index 22b66d0bc8..66f3ca59e7 100644 --- a/libavcodec/nvdec.h +++ b/libavcodec/nvdec.h @@ -59,6 +59,7 @@ typedef struct NVDECContext { uint8_t *bitstream; int bitstream_len; unsigned int bitstream_allocated; + uint8_t *bitstream_internal; unsigned *slice_offsets; int nb_slices; diff --git a/libavcodec/nvdec_av1.c b/libavcodec/nvdec_av1.c new file mode 100644 index 0000000000..9da1c840e3 --- /dev/null +++ b/libavcodec/nvdec_av1.c @@ -0,0 +1,349 @@ +/* + * AV1 HW decode acceleration through NVDEC + * + * Copyright (c) 2020 Timo Rothenpieler + * + * 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 "avcodec.h" +#include "nvdec.h" +#include "decode.h" +#include "internal.h" +#include "av1dec.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 nvdec_av1_start_frame(AVCodecContext *avctx, const uint8_t *buffer, uint32_t size) +{ + const AV1DecContext *s = avctx->priv_data; + const AV1RawSequenceHeader *seq = s->raw_seq; + const AV1RawFrameHeader *frame_header = s->raw_frame_header; + + NVDECContext *ctx = avctx->internal->hwaccel_priv_data; + CUVIDPICPARAMS *pp = &ctx->pic_params; + CUVIDAV1PICPARAMS *ppc = &pp->CodecSpecific.av1; + FrameDecodeData *fdd; + NVDECFrame *cf; + AVFrame *cur_frame = s->cur_frame.tf.f; + + unsigned char remap_lr_type[4] = { AV1_RESTORE_NONE, AV1_RESTORE_SWITCHABLE, AV1_RESTORE_WIENER, AV1_RESTORE_SGRPROJ }; + + int ret, i, j; + + ret = ff_nvdec_start_frame_sep_ref(avctx, cur_frame, frame_header->apply_grain); + if (ret < 0) + return ret; + + fdd = (FrameDecodeData*)cur_frame->private_ref->data; + cf = (NVDECFrame*)fdd->hwaccel_priv; + + *pp = (CUVIDPICPARAMS) { + .PicWidthInMbs = (cur_frame->width + 15) / 16, + .FrameHeightInMbs = (cur_frame->height + 15) / 16, + .CurrPicIdx = cf->idx, + .ref_pic_flag = !!frame_header->refresh_frame_flags, + .intra_pic_flag = frame_header->frame_type == AV1_FRAME_INTRA_ONLY || + frame_header->frame_type == AV1_FRAME_KEY, + + .CodecSpecific.av1 = { + .width = cur_frame->width, + .height = cur_frame->height, + + .frame_offset = frame_header->order_hint, + .decodePicIdx = cf->ref_idx, + + /* Sequence Header */ + .profile = seq->seq_profile, + .use_128x128_superblock = seq->use_128x128_superblock, + .subsampling_x = seq->color_config.subsampling_x, + .subsampling_y = seq->color_config.subsampling_y, + .mono_chrome = seq->color_config.mono_chrome, + .bit_depth_minus8 = get_bit_depth_from_seq(seq) - 8, + .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_dual_filter = seq->enable_dual_filter, + .enable_order_hint = seq->enable_order_hint, + .order_hint_bits_minus1 = seq->order_hint_bits_minus_1, + .enable_jnt_comp = seq->enable_jnt_comp, + .enable_superres = seq->enable_superres, + .enable_cdef = seq->enable_cdef, + .enable_restoration = seq->enable_restoration, + .enable_fgs = seq->film_grain_params_present, + + /* Frame Header */ + .frame_type = frame_header->frame_type, + .show_frame = frame_header->show_frame, + .disable_cdf_update = frame_header->disable_cdf_update, + .allow_screen_content_tools = frame_header->allow_screen_content_tools, + .force_integer_mv = frame_header->force_integer_mv || + frame_header->frame_type == AV1_FRAME_INTRA_ONLY || + frame_header->frame_type == AV1_FRAME_KEY, + .coded_denom = frame_header->coded_denom, + .allow_intrabc = frame_header->allow_intrabc, + .allow_high_precision_mv = frame_header->allow_high_precision_mv, + .interp_filter = frame_header->interpolation_filter, + .switchable_motion_mode = 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, + .delta_q_present = frame_header->delta_q_present, + .delta_q_res = frame_header->delta_q_res, + .using_qmatrix = frame_header->using_qmatrix, + .coded_lossless = s->cur_frame.coded_lossless, + .use_superres = frame_header->use_superres, + .tx_mode = frame_header->tx_mode, + .reference_mode = frame_header->reference_select, + .allow_warped_motion = frame_header->allow_warped_motion, + .reduced_tx_set = frame_header->reduced_tx_set, + .skip_mode = frame_header->skip_mode_present, + + /* Tiling Info */ + .num_tile_cols = frame_header->tile_cols, + .num_tile_rows = frame_header->tile_rows, + .context_update_tile_id = frame_header->context_update_tile_id, + + /* CDEF */ + .cdef_damping_minus_3 = frame_header->cdef_damping_minus_3, + .cdef_bits = frame_header->cdef_bits, + + /* SkipModeFrames */ + .SkipModeFrame0 = frame_header->skip_mode_present ? + s->cur_frame.skip_mode_frame_idx[0] : 0, + .SkipModeFrame1 = frame_header->skip_mode_present ? + s->cur_frame.skip_mode_frame_idx[1] : 0, + + /* QP Information */ + .base_qindex = frame_header->base_q_idx, + .qp_y_dc_delta_q = frame_header->delta_q_y_dc, + .qp_u_dc_delta_q = frame_header->delta_q_u_dc, + .qp_v_dc_delta_q = frame_header->delta_q_v_dc, + .qp_u_ac_delta_q = frame_header->delta_q_u_ac, + .qp_v_ac_delta_q = frame_header->delta_q_v_ac, + .qm_y = frame_header->qm_y, + .qm_u = frame_header->qm_u, + .qm_v = frame_header->qm_v, + + /* Segmentation */ + .segmentation_enabled = frame_header->segmentation_enabled, + .segmentation_update_map = frame_header->segmentation_update_map, + .segmentation_update_data = frame_header->segmentation_update_data, + .segmentation_temporal_update = frame_header->segmentation_temporal_update, + + /* Loopfilter */ + .loop_filter_level[0] = frame_header->loop_filter_level[0], + .loop_filter_level[1] = frame_header->loop_filter_level[1], + .loop_filter_level_u = frame_header->loop_filter_level[2], + .loop_filter_level_v = frame_header->loop_filter_level[3], + .loop_filter_sharpness = frame_header->loop_filter_sharpness, + .loop_filter_delta_enabled = frame_header->loop_filter_delta_enabled, + .loop_filter_delta_update = frame_header->loop_filter_delta_update, + .loop_filter_mode_deltas[0] = frame_header->loop_filter_mode_deltas[0], + .loop_filter_mode_deltas[1] = frame_header->loop_filter_mode_deltas[1], + .delta_lf_present = frame_header->delta_lf_present, + .delta_lf_res = frame_header->delta_lf_res, + .delta_lf_multi = frame_header->delta_lf_multi, + + /* Restoration */ + .lr_type[0] = remap_lr_type[frame_header->lr_type[0]], + .lr_type[1] = remap_lr_type[frame_header->lr_type[1]], + .lr_type[2] = remap_lr_type[frame_header->lr_type[2]], + .lr_unit_size[0] = 1 + frame_header->lr_unit_shift, + .lr_unit_size[1] = 1 + frame_header->lr_unit_shift - frame_header->lr_uv_shift, + .lr_unit_size[2] = 1 + frame_header->lr_unit_shift - frame_header->lr_uv_shift, + + /* Reference Frames */ + .temporal_layer_id = s->cur_frame.temporal_id, + .spatial_layer_id = s->cur_frame.spatial_id, + + /* Film Grain Params */ + .apply_grain = frame_header->apply_grain, + .overlap_flag = frame_header->overlap_flag, + .scaling_shift_minus8 = frame_header->grain_scaling_minus_8, + .chroma_scaling_from_luma = frame_header->chroma_scaling_from_luma, + .ar_coeff_lag = frame_header->ar_coeff_lag, + .ar_coeff_shift_minus6 = frame_header->ar_coeff_shift_minus_6, + .grain_scale_shift = frame_header->grain_scale_shift, + .clip_to_restricted_range = frame_header->clip_to_restricted_range, + .num_y_points = frame_header->num_y_points, + .num_cb_points = frame_header->num_cb_points, + .num_cr_points = frame_header->num_cr_points, + .random_seed = frame_header->grain_seed, + .cb_mult = frame_header->cb_mult, + .cb_luma_mult = frame_header->cb_luma_mult, + .cb_offset = frame_header->cb_offset, + .cr_mult = frame_header->cr_mult, + .cr_luma_mult = frame_header->cr_luma_mult, + .cr_offset = frame_header->cr_offset + } + }; + + /* Tiling Info */ + for (i = 0; i < frame_header->tile_cols; ++i) { + ppc->tile_widths[i] = frame_header->width_in_sbs_minus_1[i] + 1; + } + for (i = 0; i < frame_header->tile_rows; ++i) { + ppc->tile_heights[i] = frame_header->height_in_sbs_minus_1[i] + 1; + } + + /* CDEF */ + for (i = 0; i < (1 << frame_header->cdef_bits); ++i) { + ppc->cdef_y_strength[i] = (frame_header->cdef_y_pri_strength[i] & 0x0F) | (frame_header->cdef_y_sec_strength[i] << 4); + ppc->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) { + ppc->segmentation_feature_mask[i] = 0; + for (j = 0; j < AV1_SEG_LVL_MAX; ++j) { + ppc->segmentation_feature_mask[i] |= frame_header->feature_enabled[i][j] << j; + ppc->segmentation_feature_data[i][j] = frame_header->feature_value[i][j]; + } + } + + for (i = 0; i < AV1_NUM_REF_FRAMES; ++i) { + /* Loopfilter */ + ppc->loop_filter_ref_deltas[i] = frame_header->loop_filter_ref_deltas[i]; + + /* Reference Frames */ + ppc->ref_frame_map[i] = ff_nvdec_get_ref_idx(s->ref[i].tf.f); + } + + if (frame_header->primary_ref_frame == AV1_PRIMARY_REF_NONE) { + ppc->primary_ref_frame = -1; + } else { + int8_t pri_ref_idx = frame_header->ref_frame_idx[frame_header->primary_ref_frame]; + ppc->primary_ref_frame = ppc->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].tf.f; + + ppc->ref_frame[i].index = ppc->ref_frame_map[ref_idx]; + ppc->ref_frame[i].width = ref_frame->width; + ppc->ref_frame[i].height = ref_frame->height; + + /* Global Motion */ + ppc->global_motion[i].invalid = !frame_header->is_global[AV1_REF_FRAME_LAST + i]; + ppc->global_motion[i].wmtype = s->cur_frame.gm_type[AV1_REF_FRAME_LAST + i]; + for (j = 0; j < 6; ++j) { + ppc->global_motion[i].wmmat[j] = s->cur_frame.gm_params[AV1_REF_FRAME_LAST + i][j]; + } + } + + /* Film Grain Params */ + if (frame_header->apply_grain) { + for (i = 0; i < 14; ++i) { + ppc->scaling_points_y[i][0] = frame_header->point_y_value[i]; + ppc->scaling_points_y[i][1] = frame_header->point_y_scaling[i]; + } + for (i = 0; i < 10; ++i) { + ppc->scaling_points_cb[i][0] = frame_header->point_cb_value[i]; + ppc->scaling_points_cb[i][1] = frame_header->point_cb_scaling[i]; + ppc->scaling_points_cr[i][0] = frame_header->point_cr_value[i]; + ppc->scaling_points_cr[i][1] = frame_header->point_cr_scaling[i]; + } + for (i = 0; i < 24; ++i) { + ppc->ar_coeffs_y[i] = (short)frame_header->ar_coeffs_y_plus_128[i] - 128; + } + for (i = 0; i < 25; ++i) { + ppc->ar_coeffs_cb[i] = (short)frame_header->ar_coeffs_cb_plus_128[i] - 128; + ppc->ar_coeffs_cr[i] = (short)frame_header->ar_coeffs_cr_plus_128[i] - 128; + } + } + + return 0; +} + +static int nvdec_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; + NVDECContext *ctx = avctx->internal->hwaccel_priv_data; + void *tmp; + + ctx->nb_slices = frame_header->tile_cols * frame_header->tile_rows; + + tmp = av_fast_realloc(ctx->slice_offsets, &ctx->slice_offsets_allocated, + ctx->nb_slices * 2 * sizeof(*ctx->slice_offsets)); + if (!tmp) { + return AVERROR(ENOMEM); + } + ctx->slice_offsets = tmp; + + /* Shortcut if all tiles are in the same buffer */ + if (ctx->nb_slices == s->tg_end - s->tg_start + 1) { + ctx->bitstream = (uint8_t*)buffer; + ctx->bitstream_len = size; + + for (int i = 0; i < ctx->nb_slices; ++i) { + ctx->slice_offsets[i*2 ] = s->tile_group_info[i].tile_offset; + ctx->slice_offsets[i*2 + 1] = ctx->slice_offsets[i*2] + s->tile_group_info[i].tile_size; + } + + return 0; + } + + tmp = av_fast_realloc(ctx->bitstream_internal, &ctx->bitstream_allocated, + ctx->bitstream_len + size); + if (!tmp) { + return AVERROR(ENOMEM); + } + ctx->bitstream = ctx->bitstream_internal = tmp; + + memcpy(ctx->bitstream + ctx->bitstream_len, buffer, size); + + for (uint32_t tile_num = s->tg_start; tile_num <= s->tg_end; ++tile_num) { + ctx->slice_offsets[tile_num*2 ] = ctx->bitstream_len + s->tile_group_info[tile_num].tile_offset; + ctx->slice_offsets[tile_num*2 + 1] = ctx->slice_offsets[tile_num*2] + s->tile_group_info[tile_num].tile_size; + } + ctx->bitstream_len += size; + + return 0; +} + +static int nvdec_av1_frame_params(AVCodecContext *avctx, AVBufferRef *hw_frames_ctx) +{ + /* Maximum of 8 reference frames, but potentially stored twice due to film grain */ + return ff_nvdec_frame_params(avctx, hw_frames_ctx, 8 * 2, 0); +} + +const AVHWAccel ff_av1_nvdec_hwaccel = { + .name = "av1_nvdec", + .type = AVMEDIA_TYPE_VIDEO, + .id = AV_CODEC_ID_AV1, + .pix_fmt = AV_PIX_FMT_CUDA, + .start_frame = nvdec_av1_start_frame, + .end_frame = ff_nvdec_simple_end_frame, + .decode_slice = nvdec_av1_decode_slice, + .frame_params = nvdec_av1_frame_params, + .init = ff_nvdec_decode_init, + .uninit = ff_nvdec_decode_uninit, + .priv_data_size = sizeof(NVDECContext), +}; diff --git a/libavcodec/version.h b/libavcodec/version.h index 5173d0f090..a595e32832 100644 --- a/libavcodec/version.h +++ b/libavcodec/version.h @@ -29,7 +29,7 @@ #define LIBAVCODEC_VERSION_MAJOR 58 #define LIBAVCODEC_VERSION_MINOR 112 -#define LIBAVCODEC_VERSION_MICRO 101 +#define LIBAVCODEC_VERSION_MICRO 102 #define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \ LIBAVCODEC_VERSION_MINOR, \ -- cgit v1.2.3