/* * VP9 HW decode acceleration through VA API * * Copyright (C) 2015 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 "libavutil/pixdesc.h" #include "vaapi_internal.h" #include "vp9.h" static void fill_picture_parameters(AVCodecContext *avctx, const VP9SharedContext *h, VADecPictureParameterBufferVP9 *pp) { const AVPixFmtDescriptor *pixdesc = av_pix_fmt_desc_get(avctx->sw_pix_fmt); int i; pp->frame_width = avctx->width; pp->frame_height = avctx->height; pp->frame_header_length_in_bytes = h->h.uncompressed_header_size; pp->first_partition_size = h->h.compressed_header_size; pp->profile = h->h.profile; pp->filter_level = h->h.filter.level; pp->sharpness_level = h->h.filter.sharpness; pp->log2_tile_rows = h->h.tiling.log2_tile_rows; pp->log2_tile_columns = h->h.tiling.log2_tile_cols; pp->pic_fields.bits.subsampling_x = pixdesc->log2_chroma_w; pp->pic_fields.bits.subsampling_y = pixdesc->log2_chroma_h; pp->pic_fields.bits.frame_type = !h->h.keyframe; pp->pic_fields.bits.show_frame = !h->h.invisible; pp->pic_fields.bits.error_resilient_mode = h->h.errorres; pp->pic_fields.bits.intra_only = h->h.intraonly; pp->pic_fields.bits.allow_high_precision_mv = h->h.keyframe ? 0 : h->h.highprecisionmvs; pp->pic_fields.bits.mcomp_filter_type = h->h.filtermode ^ (h->h.filtermode <= 1); pp->pic_fields.bits.frame_parallel_decoding_mode = h->h.parallelmode; pp->pic_fields.bits.reset_frame_context = h->h.resetctx; pp->pic_fields.bits.refresh_frame_context = h->h.refreshctx; pp->pic_fields.bits.frame_context_idx = h->h.framectxid; pp->pic_fields.bits.segmentation_enabled = h->h.segmentation.enabled; pp->pic_fields.bits.segmentation_temporal_update = h->h.segmentation.temporal; pp->pic_fields.bits.segmentation_update_map = h->h.segmentation.update_map; pp->pic_fields.bits.last_ref_frame = h->h.refidx[0]; pp->pic_fields.bits.last_ref_frame_sign_bias = h->h.signbias[0]; pp->pic_fields.bits.golden_ref_frame = h->h.refidx[1]; pp->pic_fields.bits.golden_ref_frame_sign_bias = h->h.signbias[1]; pp->pic_fields.bits.alt_ref_frame = h->h.refidx[2]; pp->pic_fields.bits.alt_ref_frame_sign_bias = h->h.signbias[2]; pp->pic_fields.bits.lossless_flag = h->h.lossless; for (i = 0; i < 7; i++) pp->mb_segment_tree_probs[i] = h->h.segmentation.prob[i]; if (h->h.segmentation.temporal) { for (i = 0; i < 3; i++) pp->segment_pred_probs[i] = h->h.segmentation.pred_prob[i]; } else { memset(pp->segment_pred_probs, 255, sizeof(pp->segment_pred_probs)); } for (i = 0; i < 8; i++) { if (h->refs[i].f->buf[0]) { pp->reference_frames[i] = ff_vaapi_get_surface_id(h->refs[i].f); } else { pp->reference_frames[i] = VA_INVALID_ID; } } } static int vaapi_vp9_start_frame(AVCodecContext *avctx, av_unused const uint8_t *buffer, av_unused uint32_t size) { const VP9SharedContext *h = avctx->priv_data; FFVAContext * const vactx = ff_vaapi_get_context(avctx); VADecPictureParameterBufferVP9 *pic_param; vactx->slice_param_size = sizeof(VASliceParameterBufferVP9); pic_param = ff_vaapi_alloc_pic_param(vactx, sizeof(VADecPictureParameterBufferVP9)); if (!pic_param) return -1; fill_picture_parameters(avctx, h, pic_param); return 0; } static int vaapi_vp9_end_frame(AVCodecContext *avctx) { FFVAContext * const vactx = ff_vaapi_get_context(avctx); const VP9SharedContext *h = avctx->priv_data; int ret; ret = ff_vaapi_commit_slices(vactx); if (ret < 0) goto finish; ret = ff_vaapi_render_picture(vactx, ff_vaapi_get_surface_id(h->frames[CUR_FRAME].tf.f)); if (ret < 0) goto finish; finish: ff_vaapi_common_end_frame(avctx); return ret; } static int vaapi_vp9_decode_slice(AVCodecContext *avctx, const uint8_t *buffer, uint32_t size) { FFVAContext * const vactx = ff_vaapi_get_context(avctx); const VP9SharedContext *h = avctx->priv_data; VASliceParameterBufferVP9 *slice_param; int i; slice_param = (VASliceParameterBufferVP9*)ff_vaapi_alloc_slice(vactx, buffer, size); if (!slice_param) return -1; for (i = 0; i < 8; i++) { slice_param->seg_param[i].segment_flags.fields.segment_reference_enabled = h->h.segmentation.feat[i].ref_enabled; slice_param->seg_param[i].segment_flags.fields.segment_reference = h->h.segmentation.feat[i].ref_val; slice_param->seg_param[i].segment_flags.fields.segment_reference_skipped = h->h.segmentation.feat[i].skip_enabled; memcpy(slice_param->seg_param[i].filter_level, h->h.segmentation.feat[i].lflvl, sizeof(slice_param->seg_param[i].filter_level)); slice_param->seg_param[i].luma_dc_quant_scale = h->h.segmentation.feat[i].qmul[0][0]; slice_param->seg_param[i].luma_ac_quant_scale = h->h.segmentation.feat[i].qmul[0][1]; slice_param->seg_param[i].chroma_dc_quant_scale = h->h.segmentation.feat[i].qmul[1][0]; slice_param->seg_param[i].chroma_ac_quant_scale = h->h.segmentation.feat[i].qmul[1][1]; } return 0; } AVHWAccel ff_vp9_vaapi_hwaccel = { .name = "vp9_vaapi", .type = AVMEDIA_TYPE_VIDEO, .id = AV_CODEC_ID_VP9, .pix_fmt = AV_PIX_FMT_VAAPI, .start_frame = vaapi_vp9_start_frame, .end_frame = vaapi_vp9_end_frame, .decode_slice = vaapi_vp9_decode_slice, .init = ff_vaapi_context_init, .uninit = ff_vaapi_context_fini, .priv_data_size = sizeof(FFVAContext), };