forked from KolibriOS/kolibrios
365 lines
18 KiB
C
365 lines
18 KiB
C
/*
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* VC-1 HW decode acceleration through VA API
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*
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* Copyright (C) 2008-2009 Splitted-Desktop Systems
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "vaapi_internal.h"
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#include "internal.h"
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#include "vc1.h"
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#include "vc1data.h"
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/** Translate FFmpeg MV modes to VA API */
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static int get_VAMvModeVC1(enum MVModes mv_mode)
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{
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switch (mv_mode) {
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case MV_PMODE_1MV_HPEL_BILIN: return VAMvMode1MvHalfPelBilinear;
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case MV_PMODE_1MV: return VAMvMode1Mv;
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case MV_PMODE_1MV_HPEL: return VAMvMode1MvHalfPel;
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case MV_PMODE_MIXED_MV: return VAMvModeMixedMv;
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case MV_PMODE_INTENSITY_COMP: return VAMvModeIntensityCompensation;
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}
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return 0;
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}
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/** Check whether the MVTYPEMB bitplane is present */
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static inline int vc1_has_MVTYPEMB_bitplane(VC1Context *v)
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{
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if (v->mv_type_is_raw)
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return 0;
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return v->s.pict_type == AV_PICTURE_TYPE_P &&
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(v->mv_mode == MV_PMODE_MIXED_MV ||
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(v->mv_mode == MV_PMODE_INTENSITY_COMP &&
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v->mv_mode2 == MV_PMODE_MIXED_MV));
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}
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/** Check whether the SKIPMB bitplane is present */
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static inline int vc1_has_SKIPMB_bitplane(VC1Context *v)
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{
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if (v->skip_is_raw)
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return 0;
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return v->s.pict_type == AV_PICTURE_TYPE_P ||
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(v->s.pict_type == AV_PICTURE_TYPE_B && !v->bi_type);
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}
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/** Check whether the DIRECTMB bitplane is present */
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static inline int vc1_has_DIRECTMB_bitplane(VC1Context *v)
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{
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if (v->dmb_is_raw)
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return 0;
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return v->s.pict_type == AV_PICTURE_TYPE_B && !v->bi_type;
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}
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/** Check whether the ACPRED bitplane is present */
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static inline int vc1_has_ACPRED_bitplane(VC1Context *v)
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{
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if (v->acpred_is_raw)
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return 0;
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return v->profile == PROFILE_ADVANCED &&
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(v->s.pict_type == AV_PICTURE_TYPE_I ||
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(v->s.pict_type == AV_PICTURE_TYPE_B && v->bi_type));
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}
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/** Check whether the OVERFLAGS bitplane is present */
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static inline int vc1_has_OVERFLAGS_bitplane(VC1Context *v)
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{
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if (v->overflg_is_raw)
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return 0;
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return v->profile == PROFILE_ADVANCED &&
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(v->s.pict_type == AV_PICTURE_TYPE_I ||
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(v->s.pict_type == AV_PICTURE_TYPE_B && v->bi_type)) &&
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(v->overlap && v->pq <= 8) &&
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v->condover == CONDOVER_SELECT;
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}
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/** Reconstruct bitstream PTYPE (7.1.1.4, index into Table-35) */
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static int vc1_get_PTYPE(VC1Context *v)
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{
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MpegEncContext * const s = &v->s;
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switch (s->pict_type) {
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case AV_PICTURE_TYPE_I: return 0;
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case AV_PICTURE_TYPE_P: return v->p_frame_skipped ? 4 : 1;
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case AV_PICTURE_TYPE_B: return v->bi_type ? 3 : 2;
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}
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return 0;
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}
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/** Reconstruct bitstream MVMODE (7.1.1.32) */
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static inline VAMvModeVC1 vc1_get_MVMODE(VC1Context *v)
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{
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if (v->s.pict_type == AV_PICTURE_TYPE_P ||
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(v->s.pict_type == AV_PICTURE_TYPE_B && !v->bi_type))
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return get_VAMvModeVC1(v->mv_mode);
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return 0;
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}
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/** Reconstruct bitstream MVMODE2 (7.1.1.33) */
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static inline VAMvModeVC1 vc1_get_MVMODE2(VC1Context *v)
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{
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if (v->s.pict_type == AV_PICTURE_TYPE_P && v->mv_mode == MV_PMODE_INTENSITY_COMP)
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return get_VAMvModeVC1(v->mv_mode2);
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return 0;
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}
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/** Reconstruct bitstream TTFRM (7.1.1.41, Table-53) */
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static inline int vc1_get_TTFRM(VC1Context *v)
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{
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switch (v->ttfrm) {
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case TT_8X8: return 0;
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case TT_8X4: return 1;
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case TT_4X8: return 2;
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case TT_4X4: return 3;
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}
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return 0;
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}
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/** Pack FFmpeg bitplanes into a VABitPlaneBuffer element */
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static inline void vc1_pack_bitplanes(uint8_t *bitplane, int n, const uint8_t *ff_bp[3], int x, int y, int stride)
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{
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const int bitplane_index = n / 2;
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const int ff_bp_index = y * stride + x;
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uint8_t v = 0;
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if (ff_bp[0])
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v = ff_bp[0][ff_bp_index];
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if (ff_bp[1])
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v |= ff_bp[1][ff_bp_index] << 1;
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if (ff_bp[2])
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v |= ff_bp[2][ff_bp_index] << 2;
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bitplane[bitplane_index] = (bitplane[bitplane_index] << 4) | v;
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}
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static int vaapi_vc1_start_frame(AVCodecContext *avctx, av_unused const uint8_t *buffer, av_unused uint32_t size)
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{
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VC1Context * const v = avctx->priv_data;
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MpegEncContext * const s = &v->s;
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FFVAContext * const vactx = ff_vaapi_get_context(avctx);
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VAPictureParameterBufferVC1 *pic_param;
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ff_dlog(avctx, "vaapi_vc1_start_frame()\n");
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vactx->slice_param_size = sizeof(VASliceParameterBufferVC1);
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/* Fill in VAPictureParameterBufferVC1 */
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pic_param = ff_vaapi_alloc_pic_param(vactx, sizeof(VAPictureParameterBufferVC1));
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if (!pic_param)
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return -1;
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pic_param->forward_reference_picture = VA_INVALID_ID;
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pic_param->backward_reference_picture = VA_INVALID_ID;
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pic_param->inloop_decoded_picture = VA_INVALID_ID;
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pic_param->sequence_fields.value = 0; /* reset all bits */
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pic_param->sequence_fields.bits.pulldown = v->broadcast;
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pic_param->sequence_fields.bits.interlace = v->interlace;
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pic_param->sequence_fields.bits.tfcntrflag = v->tfcntrflag;
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pic_param->sequence_fields.bits.finterpflag = v->finterpflag;
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pic_param->sequence_fields.bits.psf = v->psf;
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pic_param->sequence_fields.bits.multires = v->multires;
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pic_param->sequence_fields.bits.overlap = v->overlap;
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pic_param->sequence_fields.bits.syncmarker = v->resync_marker;
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pic_param->sequence_fields.bits.rangered = v->rangered;
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pic_param->sequence_fields.bits.max_b_frames = s->avctx->max_b_frames;
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#if VA_CHECK_VERSION(0,32,0)
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pic_param->sequence_fields.bits.profile = v->profile;
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#endif
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pic_param->coded_width = s->avctx->coded_width;
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pic_param->coded_height = s->avctx->coded_height;
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pic_param->entrypoint_fields.value = 0; /* reset all bits */
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pic_param->entrypoint_fields.bits.broken_link = v->broken_link;
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pic_param->entrypoint_fields.bits.closed_entry = v->closed_entry;
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pic_param->entrypoint_fields.bits.panscan_flag = v->panscanflag;
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pic_param->entrypoint_fields.bits.loopfilter = s->loop_filter;
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pic_param->conditional_overlap_flag = v->condover;
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pic_param->fast_uvmc_flag = v->fastuvmc;
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pic_param->range_mapping_fields.value = 0; /* reset all bits */
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pic_param->range_mapping_fields.bits.luma_flag = v->range_mapy_flag;
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pic_param->range_mapping_fields.bits.luma = v->range_mapy;
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pic_param->range_mapping_fields.bits.chroma_flag = v->range_mapuv_flag;
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pic_param->range_mapping_fields.bits.chroma = v->range_mapuv;
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pic_param->b_picture_fraction = v->bfraction_lut_index;
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pic_param->cbp_table = v->cbpcy_vlc ? v->cbpcy_vlc - ff_vc1_cbpcy_p_vlc : 0;
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pic_param->mb_mode_table = 0; /* XXX: interlaced frame */
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pic_param->range_reduction_frame = v->rangeredfrm;
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pic_param->rounding_control = v->rnd;
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pic_param->post_processing = v->postproc;
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pic_param->picture_resolution_index = v->respic;
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pic_param->luma_scale = v->lumscale;
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pic_param->luma_shift = v->lumshift;
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pic_param->picture_fields.value = 0; /* reset all bits */
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pic_param->picture_fields.bits.picture_type = vc1_get_PTYPE(v);
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pic_param->picture_fields.bits.frame_coding_mode = v->fcm;
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pic_param->picture_fields.bits.top_field_first = v->tff;
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pic_param->picture_fields.bits.is_first_field = v->fcm == 0; /* XXX: interlaced frame */
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pic_param->picture_fields.bits.intensity_compensation = v->mv_mode == MV_PMODE_INTENSITY_COMP;
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pic_param->raw_coding.value = 0; /* reset all bits */
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pic_param->raw_coding.flags.mv_type_mb = v->mv_type_is_raw;
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pic_param->raw_coding.flags.direct_mb = v->dmb_is_raw;
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pic_param->raw_coding.flags.skip_mb = v->skip_is_raw;
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pic_param->raw_coding.flags.field_tx = 0; /* XXX: interlaced frame */
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pic_param->raw_coding.flags.forward_mb = 0; /* XXX: interlaced frame */
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pic_param->raw_coding.flags.ac_pred = v->acpred_is_raw;
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pic_param->raw_coding.flags.overflags = v->overflg_is_raw;
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pic_param->bitplane_present.value = 0; /* reset all bits */
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pic_param->bitplane_present.flags.bp_mv_type_mb = vc1_has_MVTYPEMB_bitplane(v);
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pic_param->bitplane_present.flags.bp_direct_mb = vc1_has_DIRECTMB_bitplane(v);
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pic_param->bitplane_present.flags.bp_skip_mb = vc1_has_SKIPMB_bitplane(v);
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pic_param->bitplane_present.flags.bp_field_tx = 0; /* XXX: interlaced frame */
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pic_param->bitplane_present.flags.bp_forward_mb = 0; /* XXX: interlaced frame */
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pic_param->bitplane_present.flags.bp_ac_pred = vc1_has_ACPRED_bitplane(v);
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pic_param->bitplane_present.flags.bp_overflags = vc1_has_OVERFLAGS_bitplane(v);
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pic_param->reference_fields.value = 0; /* reset all bits */
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pic_param->reference_fields.bits.reference_distance_flag = v->refdist_flag;
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pic_param->reference_fields.bits.reference_distance = 0; /* XXX: interlaced frame */
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pic_param->reference_fields.bits.num_reference_pictures = 0; /* XXX: interlaced frame */
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pic_param->reference_fields.bits.reference_field_pic_indicator = 0; /* XXX: interlaced frame */
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pic_param->mv_fields.value = 0; /* reset all bits */
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pic_param->mv_fields.bits.mv_mode = vc1_get_MVMODE(v);
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pic_param->mv_fields.bits.mv_mode2 = vc1_get_MVMODE2(v);
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pic_param->mv_fields.bits.mv_table = s->mv_table_index;
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pic_param->mv_fields.bits.two_mv_block_pattern_table = 0; /* XXX: interlaced frame */
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pic_param->mv_fields.bits.four_mv_switch = 0; /* XXX: interlaced frame */
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pic_param->mv_fields.bits.four_mv_block_pattern_table = 0; /* XXX: interlaced frame */
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pic_param->mv_fields.bits.extended_mv_flag = v->extended_mv;
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pic_param->mv_fields.bits.extended_mv_range = v->mvrange;
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pic_param->mv_fields.bits.extended_dmv_flag = v->extended_dmv;
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pic_param->mv_fields.bits.extended_dmv_range = 0; /* XXX: interlaced frame */
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pic_param->pic_quantizer_fields.value = 0; /* reset all bits */
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pic_param->pic_quantizer_fields.bits.dquant = v->dquant;
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pic_param->pic_quantizer_fields.bits.quantizer = v->quantizer_mode;
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pic_param->pic_quantizer_fields.bits.half_qp = v->halfpq;
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pic_param->pic_quantizer_fields.bits.pic_quantizer_scale = v->pq;
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pic_param->pic_quantizer_fields.bits.pic_quantizer_type = v->pquantizer;
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pic_param->pic_quantizer_fields.bits.dq_frame = v->dquantfrm;
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pic_param->pic_quantizer_fields.bits.dq_profile = v->dqprofile;
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pic_param->pic_quantizer_fields.bits.dq_sb_edge = v->dqprofile == DQPROFILE_SINGLE_EDGE ? v->dqsbedge : 0;
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pic_param->pic_quantizer_fields.bits.dq_db_edge = v->dqprofile == DQPROFILE_DOUBLE_EDGES ? v->dqsbedge : 0;
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pic_param->pic_quantizer_fields.bits.dq_binary_level = v->dqbilevel;
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pic_param->pic_quantizer_fields.bits.alt_pic_quantizer = v->altpq;
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pic_param->transform_fields.value = 0; /* reset all bits */
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pic_param->transform_fields.bits.variable_sized_transform_flag = v->vstransform;
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pic_param->transform_fields.bits.mb_level_transform_type_flag = v->ttmbf;
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pic_param->transform_fields.bits.frame_level_transform_type = vc1_get_TTFRM(v);
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pic_param->transform_fields.bits.transform_ac_codingset_idx1 = v->c_ac_table_index;
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pic_param->transform_fields.bits.transform_ac_codingset_idx2 = v->y_ac_table_index;
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pic_param->transform_fields.bits.intra_transform_dc_table = v->s.dc_table_index;
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switch (s->pict_type) {
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case AV_PICTURE_TYPE_B:
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pic_param->backward_reference_picture = ff_vaapi_get_surface_id(s->next_picture.f);
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// fall-through
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case AV_PICTURE_TYPE_P:
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pic_param->forward_reference_picture = ff_vaapi_get_surface_id(s->last_picture.f);
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break;
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}
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if (pic_param->bitplane_present.value) {
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uint8_t *bitplane;
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const uint8_t *ff_bp[3];
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int x, y, n;
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switch (s->pict_type) {
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case AV_PICTURE_TYPE_P:
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ff_bp[0] = pic_param->bitplane_present.flags.bp_direct_mb ? v->direct_mb_plane : NULL;
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ff_bp[1] = pic_param->bitplane_present.flags.bp_skip_mb ? s->mbskip_table : NULL;
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ff_bp[2] = pic_param->bitplane_present.flags.bp_mv_type_mb ? v->mv_type_mb_plane : NULL;
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break;
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case AV_PICTURE_TYPE_B:
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if (!v->bi_type) {
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ff_bp[0] = pic_param->bitplane_present.flags.bp_direct_mb ? v->direct_mb_plane : NULL;
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ff_bp[1] = pic_param->bitplane_present.flags.bp_skip_mb ? s->mbskip_table : NULL;
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ff_bp[2] = NULL; /* XXX: interlaced frame (FORWARD plane) */
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break;
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}
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/* fall-through (BI-type) */
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case AV_PICTURE_TYPE_I:
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ff_bp[0] = NULL; /* XXX: interlaced frame (FIELDTX plane) */
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ff_bp[1] = pic_param->bitplane_present.flags.bp_ac_pred ? v->acpred_plane : NULL;
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ff_bp[2] = pic_param->bitplane_present.flags.bp_overflags ? v->over_flags_plane : NULL;
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break;
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default:
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ff_bp[0] = NULL;
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ff_bp[1] = NULL;
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ff_bp[2] = NULL;
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break;
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}
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bitplane = ff_vaapi_alloc_bitplane(vactx, (s->mb_width * s->mb_height + 1) / 2);
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if (!bitplane)
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return -1;
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n = 0;
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for (y = 0; y < s->mb_height; y++)
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for (x = 0; x < s->mb_width; x++, n++)
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vc1_pack_bitplanes(bitplane, n, ff_bp, x, y, s->mb_stride);
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if (n & 1) /* move last nibble to the high order */
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bitplane[n/2] <<= 4;
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}
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return 0;
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}
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static int vaapi_vc1_decode_slice(AVCodecContext *avctx, const uint8_t *buffer, uint32_t size)
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{
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VC1Context * const v = avctx->priv_data;
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MpegEncContext * const s = &v->s;
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FFVAContext * const vactx = ff_vaapi_get_context(avctx);
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VASliceParameterBufferVC1 *slice_param;
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ff_dlog(avctx, "vaapi_vc1_decode_slice(): buffer %p, size %d\n", buffer, size);
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/* Current bit buffer is beyond any marker for VC-1, so skip it */
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if (avctx->codec_id == AV_CODEC_ID_VC1 && IS_MARKER(AV_RB32(buffer))) {
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buffer += 4;
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size -= 4;
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}
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/* Fill in VASliceParameterBufferVC1 */
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slice_param = (VASliceParameterBufferVC1 *)ff_vaapi_alloc_slice(vactx, buffer, size);
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if (!slice_param)
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return -1;
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slice_param->macroblock_offset = get_bits_count(&s->gb);
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slice_param->slice_vertical_position = s->mb_y;
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return 0;
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}
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#if CONFIG_WMV3_VAAPI_HWACCEL
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AVHWAccel ff_wmv3_vaapi_hwaccel = {
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.name = "wmv3_vaapi",
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.type = AVMEDIA_TYPE_VIDEO,
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.id = AV_CODEC_ID_WMV3,
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.pix_fmt = AV_PIX_FMT_VAAPI,
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.start_frame = vaapi_vc1_start_frame,
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.end_frame = ff_vaapi_mpeg_end_frame,
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.decode_slice = vaapi_vc1_decode_slice,
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.init = ff_vaapi_context_init,
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.uninit = ff_vaapi_context_fini,
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.priv_data_size = sizeof(FFVAContext),
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};
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#endif
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AVHWAccel ff_vc1_vaapi_hwaccel = {
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.name = "vc1_vaapi",
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.type = AVMEDIA_TYPE_VIDEO,
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.id = AV_CODEC_ID_VC1,
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.pix_fmt = AV_PIX_FMT_VAAPI,
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.start_frame = vaapi_vc1_start_frame,
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.end_frame = ff_vaapi_mpeg_end_frame,
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.decode_slice = vaapi_vc1_decode_slice,
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.init = ff_vaapi_context_init,
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.uninit = ff_vaapi_context_fini,
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.priv_data_size = sizeof(FFVAContext),
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};
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