536 lines
20 KiB
C
Executable File
536 lines
20 KiB
C
Executable File
/*
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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 "hwconfig.h"
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#include "internal.h"
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#include "vaapi_decode.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(const 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->fcm == PROGRESSIVE &&
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(v->s.pict_type == AV_PICTURE_TYPE_P && !v->p_frame_skipped) &&
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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(const 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->fcm == PROGRESSIVE || v->fcm == ILACE_FRAME) &&
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((v->s.pict_type == AV_PICTURE_TYPE_P && !v->p_frame_skipped) ||
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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(const 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->fcm == PROGRESSIVE || v->fcm == ILACE_FRAME) &&
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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 ACPRED bitplane is present */
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static inline int vc1_has_ACPRED_bitplane(const 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(const 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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/** Check whether the FIELDTX bitplane is present */
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static inline int vc1_has_FIELDTX_bitplane(const VC1Context *v)
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{
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if (v->fieldtx_is_raw)
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return 0;
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return v->fcm == ILACE_FRAME &&
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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 FORWARDMB bitplane is present */
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static inline int vc1_has_FORWARDMB_bitplane(const VC1Context *v)
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{
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if (v->fmb_is_raw)
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return 0;
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return v->fcm == ILACE_FIELD &&
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(v->s.pict_type == AV_PICTURE_TYPE_B && !v->bi_type);
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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(const VC1Context *v)
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{
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const MpegEncContext *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 FPTYPE (9.1.1.42, index into Table-105) */
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static int vc1_get_FPTYPE(const VC1Context *v)
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{
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const MpegEncContext *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 3;
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case AV_PICTURE_TYPE_B: return v->bi_type ? 7 : 4;
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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(const VC1Context *v)
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{
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if ((v->fcm == PROGRESSIVE || v->fcm == ILACE_FIELD) &&
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((v->s.pict_type == AV_PICTURE_TYPE_P && !v->p_frame_skipped) ||
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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(const VC1Context *v)
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{
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if ((v->fcm == PROGRESSIVE || v->fcm == ILACE_FIELD) &&
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(v->s.pict_type == AV_PICTURE_TYPE_P && !v->p_frame_skipped) &&
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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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av_unused static inline int vc1_get_INTCOMPFIELD(const VC1Context *v)
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{
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if ((v->s.pict_type == AV_PICTURE_TYPE_P && !v->p_frame_skipped) &&
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v->fcm == ILACE_FIELD &&
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v->mv_mode == MV_PMODE_INTENSITY_COMP)
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switch (v->intcompfield) {
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case 1: return 1;
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case 2: return 2;
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case 3: return 0;
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}
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return 0;
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}
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static inline int vc1_get_LUMSCALE(const VC1Context *v)
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{
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if (v->s.pict_type == AV_PICTURE_TYPE_P && !v->p_frame_skipped) {
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if ((v->fcm == PROGRESSIVE && v->mv_mode == MV_PMODE_INTENSITY_COMP) ||
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(v->fcm == ILACE_FRAME && v->intcomp))
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return v->lumscale;
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else if (v->fcm == ILACE_FIELD && v->mv_mode == MV_PMODE_INTENSITY_COMP)
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switch (v->intcompfield) {
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case 1: return v->lumscale;
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case 2: return v->lumscale2;
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case 3: return v->lumscale;
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}
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}
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return 0;
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}
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static inline int vc1_get_LUMSHIFT(const VC1Context *v)
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{
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if (v->s.pict_type == AV_PICTURE_TYPE_P && !v->p_frame_skipped) {
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if ((v->fcm == PROGRESSIVE && v->mv_mode == MV_PMODE_INTENSITY_COMP) ||
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(v->fcm == ILACE_FRAME && v->intcomp))
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return v->lumshift;
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else if (v->fcm == ILACE_FIELD && v->mv_mode == MV_PMODE_INTENSITY_COMP)
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switch (v->intcompfield) {
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case 1: return v->lumshift;
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case 2: return v->lumshift2;
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case 3: return v->lumshift;
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}
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}
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return 0;
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}
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av_unused static inline int vc1_get_LUMSCALE2(const VC1Context *v)
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{
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if ((v->s.pict_type == AV_PICTURE_TYPE_P && !v->p_frame_skipped) &&
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v->fcm == ILACE_FIELD &&
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v->mv_mode == MV_PMODE_INTENSITY_COMP &&
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v->intcompfield == 3)
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return v->lumscale2;
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return 0;
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}
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av_unused static inline int vc1_get_LUMSHIFT2(const VC1Context *v)
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{
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if ((v->s.pict_type == AV_PICTURE_TYPE_P && !v->p_frame_skipped) &&
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v->fcm == ILACE_FIELD &&
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v->mv_mode == MV_PMODE_INTENSITY_COMP &&
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v->intcompfield == 3)
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return v->lumshift2;
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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(const 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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const VC1Context *v = avctx->priv_data;
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const MpegEncContext *s = &v->s;
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VAAPIDecodePicture *pic = s->current_picture_ptr->hwaccel_picture_private;
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VAPictureParameterBufferVC1 pic_param;
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int err;
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pic->output_surface = ff_vaapi_get_surface_id(s->current_picture_ptr->f);
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pic_param = (VAPictureParameterBufferVC1) {
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.forward_reference_picture = VA_INVALID_ID,
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.backward_reference_picture = VA_INVALID_ID,
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.inloop_decoded_picture = VA_INVALID_ID,
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.sequence_fields.bits = {
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.pulldown = v->broadcast,
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.interlace = v->interlace,
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.tfcntrflag = v->tfcntrflag,
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.finterpflag = v->finterpflag,
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.psf = v->psf,
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.multires = v->multires,
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.overlap = v->overlap,
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.syncmarker = v->resync_marker,
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.rangered = v->rangered,
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.max_b_frames = s->avctx->max_b_frames,
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.profile = v->profile,
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},
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.coded_width = s->avctx->coded_width,
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.coded_height = s->avctx->coded_height,
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.entrypoint_fields.bits = {
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.broken_link = v->broken_link,
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.closed_entry = v->closed_entry,
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.panscan_flag = v->panscanflag,
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.loopfilter = s->loop_filter,
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},
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.conditional_overlap_flag = v->condover,
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.fast_uvmc_flag = v->fastuvmc,
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.range_mapping_fields.bits = {
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.luma_flag = v->range_mapy_flag,
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.luma = v->range_mapy,
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.chroma_flag = v->range_mapuv_flag,
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.chroma = v->range_mapuv,
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},
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.b_picture_fraction = v->bfraction_lut_index,
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.cbp_table = (v->fcm == PROGRESSIVE ? v->cbptab : v->icbptab),
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.mb_mode_table = v->mbmodetab,
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.range_reduction_frame = v->rangeredfrm,
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.rounding_control = v->rnd,
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.post_processing = v->postproc,
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.picture_resolution_index = v->respic,
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.picture_fields.bits = {
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.picture_type = (v->fcm == ILACE_FIELD ? vc1_get_FPTYPE(v) : vc1_get_PTYPE(v)),
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.frame_coding_mode = v->fcm,
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.top_field_first = v->tff,
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.is_first_field = !v->second_field,
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.intensity_compensation = v->intcomp,
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},
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.luma_scale = vc1_get_LUMSCALE(v),
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.luma_shift = vc1_get_LUMSHIFT(v),
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#if VA_CHECK_VERSION(1, 1, 0)
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.luma_scale2 = vc1_get_LUMSCALE2(v),
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.luma_shift2 = vc1_get_LUMSHIFT2(v),
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.intensity_compensation_field = vc1_get_INTCOMPFIELD(v),
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#endif
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.raw_coding.flags = {
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.mv_type_mb = v->mv_type_is_raw,
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.direct_mb = v->dmb_is_raw,
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.skip_mb = v->skip_is_raw,
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.field_tx = v->fieldtx_is_raw,
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.forward_mb = v->fmb_is_raw,
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.ac_pred = v->acpred_is_raw,
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.overflags = v->overflg_is_raw,
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},
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.bitplane_present.flags = {
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.bp_mv_type_mb = vc1_has_MVTYPEMB_bitplane(v),
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.bp_direct_mb = vc1_has_DIRECTMB_bitplane(v),
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.bp_skip_mb = vc1_has_SKIPMB_bitplane(v),
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.bp_field_tx = vc1_has_FIELDTX_bitplane(v),
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.bp_forward_mb = vc1_has_FORWARDMB_bitplane(v),
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.bp_ac_pred = vc1_has_ACPRED_bitplane(v),
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.bp_overflags = vc1_has_OVERFLAGS_bitplane(v),
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},
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.reference_fields.bits = {
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.reference_distance_flag = v->refdist_flag,
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.reference_distance = v->refdist,
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.num_reference_pictures = v->numref,
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.reference_field_pic_indicator = v->reffield,
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},
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.mv_fields.bits = {
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.mv_mode = vc1_get_MVMODE(v),
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.mv_mode2 = vc1_get_MVMODE2(v),
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.mv_table = (v->fcm == PROGRESSIVE ? s->mv_table_index : v->imvtab),
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.two_mv_block_pattern_table = v->twomvbptab,
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.four_mv_switch = v->fourmvswitch,
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.four_mv_block_pattern_table = v->fourmvbptab,
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.extended_mv_flag = v->extended_mv,
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.extended_mv_range = v->mvrange,
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.extended_dmv_flag = v->extended_dmv,
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.extended_dmv_range = v->dmvrange,
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},
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.pic_quantizer_fields.bits = {
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.dquant = v->dquant,
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.quantizer = v->quantizer_mode,
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.half_qp = v->halfpq,
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.pic_quantizer_scale = v->pq,
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.pic_quantizer_type = v->pquantizer,
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.dq_frame = v->dquantfrm,
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.dq_profile = v->dqprofile,
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.dq_sb_edge = v->dqprofile == DQPROFILE_SINGLE_EDGE ? v->dqsbedge : 0,
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.dq_db_edge = v->dqprofile == DQPROFILE_DOUBLE_EDGES ? v->dqsbedge : 0,
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.dq_binary_level = v->dqbilevel,
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.alt_pic_quantizer = v->altpq,
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},
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.transform_fields.bits = {
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.variable_sized_transform_flag = v->vstransform,
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.mb_level_transform_type_flag = v->ttmbf,
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.frame_level_transform_type = vc1_get_TTFRM(v),
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.transform_ac_codingset_idx1 = v->c_ac_table_index,
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.transform_ac_codingset_idx2 = v->y_ac_table_index,
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.intra_transform_dc_table = v->s.dc_table_index,
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},
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};
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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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err = ff_vaapi_decode_make_param_buffer(avctx, pic,
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VAPictureParameterBufferType,
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&pic_param, sizeof(pic_param));
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if (err)
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goto fail;
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if (pic_param.bitplane_present.value & 0x7f) {
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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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size_t size = (s->mb_width * s->mb_height + 1) / 2;
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bitplane = av_mallocz(size);
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if (!bitplane) {
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err = AVERROR(ENOMEM);
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goto fail;
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}
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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] = pic_param.bitplane_present.flags.bp_forward_mb ? v->forward_mb_plane : NULL;
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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] = pic_param.bitplane_present.flags.bp_field_tx ? v->fieldtx_plane : NULL;
|
|
ff_bp[1] = pic_param.bitplane_present.flags.bp_ac_pred ? v->acpred_plane : NULL;
|
|
ff_bp[2] = pic_param.bitplane_present.flags.bp_overflags ? v->over_flags_plane : NULL;
|
|
break;
|
|
default:
|
|
ff_bp[0] = NULL;
|
|
ff_bp[1] = NULL;
|
|
ff_bp[2] = NULL;
|
|
break;
|
|
}
|
|
|
|
n = 0;
|
|
for (y = 0; y < s->mb_height; y++)
|
|
for (x = 0; x < s->mb_width; x++, n++)
|
|
vc1_pack_bitplanes(bitplane, n, ff_bp, x, y, s->mb_stride);
|
|
if (n & 1) /* move last nibble to the high order */
|
|
bitplane[n/2] <<= 4;
|
|
|
|
err = ff_vaapi_decode_make_param_buffer(avctx, pic,
|
|
VABitPlaneBufferType,
|
|
bitplane, size);
|
|
av_free(bitplane);
|
|
if (err)
|
|
goto fail;
|
|
}
|
|
return 0;
|
|
|
|
fail:
|
|
ff_vaapi_decode_cancel(avctx, pic);
|
|
return err;
|
|
}
|
|
|
|
static int vaapi_vc1_end_frame(AVCodecContext *avctx)
|
|
{
|
|
VC1Context *v = avctx->priv_data;
|
|
MpegEncContext *s = &v->s;
|
|
VAAPIDecodePicture *pic = s->current_picture_ptr->hwaccel_picture_private;
|
|
int ret;
|
|
|
|
ret = ff_vaapi_decode_issue(avctx, pic);
|
|
if (ret < 0)
|
|
goto fail;
|
|
|
|
ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
|
|
|
|
fail:
|
|
return ret;
|
|
}
|
|
|
|
static int vaapi_vc1_decode_slice(AVCodecContext *avctx, const uint8_t *buffer, uint32_t size)
|
|
{
|
|
const VC1Context *v = avctx->priv_data;
|
|
const MpegEncContext *s = &v->s;
|
|
VAAPIDecodePicture *pic = s->current_picture_ptr->hwaccel_picture_private;
|
|
VASliceParameterBufferVC1 slice_param;
|
|
int mb_height;
|
|
int err;
|
|
|
|
/* Current bit buffer is beyond any marker for VC-1, so skip it */
|
|
if (avctx->codec_id == AV_CODEC_ID_VC1 && IS_MARKER(AV_RB32(buffer))) {
|
|
buffer += 4;
|
|
size -= 4;
|
|
}
|
|
|
|
if (v->fcm == ILACE_FIELD)
|
|
mb_height = avctx->coded_height + 31 >> 5;
|
|
else
|
|
mb_height = avctx->coded_height + 15 >> 4;
|
|
|
|
slice_param = (VASliceParameterBufferVC1) {
|
|
.slice_data_size = size,
|
|
.slice_data_offset = 0,
|
|
.slice_data_flag = VA_SLICE_DATA_FLAG_ALL,
|
|
.macroblock_offset = get_bits_count(&s->gb),
|
|
.slice_vertical_position = s->mb_y % mb_height,
|
|
};
|
|
|
|
err = ff_vaapi_decode_make_slice_buffer(avctx, pic,
|
|
&slice_param, sizeof(slice_param),
|
|
buffer, size);
|
|
if (err < 0) {
|
|
ff_vaapi_decode_cancel(avctx, pic);
|
|
return err;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
#if CONFIG_WMV3_VAAPI_HWACCEL
|
|
const AVHWAccel ff_wmv3_vaapi_hwaccel = {
|
|
.name = "wmv3_vaapi",
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.id = AV_CODEC_ID_WMV3,
|
|
.pix_fmt = AV_PIX_FMT_VAAPI,
|
|
.start_frame = &vaapi_vc1_start_frame,
|
|
.end_frame = &vaapi_vc1_end_frame,
|
|
.decode_slice = &vaapi_vc1_decode_slice,
|
|
.frame_priv_data_size = sizeof(VAAPIDecodePicture),
|
|
.init = &ff_vaapi_decode_init,
|
|
.uninit = &ff_vaapi_decode_uninit,
|
|
.frame_params = &ff_vaapi_common_frame_params,
|
|
.priv_data_size = sizeof(VAAPIDecodeContext),
|
|
.caps_internal = HWACCEL_CAP_ASYNC_SAFE,
|
|
};
|
|
#endif
|
|
|
|
const AVHWAccel ff_vc1_vaapi_hwaccel = {
|
|
.name = "vc1_vaapi",
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.id = AV_CODEC_ID_VC1,
|
|
.pix_fmt = AV_PIX_FMT_VAAPI,
|
|
.start_frame = &vaapi_vc1_start_frame,
|
|
.end_frame = &vaapi_vc1_end_frame,
|
|
.decode_slice = &vaapi_vc1_decode_slice,
|
|
.frame_priv_data_size = sizeof(VAAPIDecodePicture),
|
|
.init = &ff_vaapi_decode_init,
|
|
.uninit = &ff_vaapi_decode_uninit,
|
|
.frame_params = &ff_vaapi_common_frame_params,
|
|
.priv_data_size = sizeof(VAAPIDecodeContext),
|
|
.caps_internal = HWACCEL_CAP_ASYNC_SAFE,
|
|
};
|