/* * VC-1 HW decode acceleration through VA API * * Copyright (C) 2008-2009 Splitted-Desktop Systems * * This file is part of Libav. * * Libav 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. * * Libav 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 Libav; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include "hwaccel.h" #include "internal.h" #include "vaapi_decode.h" #include "vc1.h" #include "vc1data.h" /** Translate Libav MV modes to VA API */ static int get_VAMvModeVC1(enum MVModes mv_mode) { switch (mv_mode) { case MV_PMODE_1MV_HPEL_BILIN: return VAMvMode1MvHalfPelBilinear; case MV_PMODE_1MV: return VAMvMode1Mv; case MV_PMODE_1MV_HPEL: return VAMvMode1MvHalfPel; case MV_PMODE_MIXED_MV: return VAMvModeMixedMv; case MV_PMODE_INTENSITY_COMP: return VAMvModeIntensityCompensation; } return 0; } /** Check whether the MVTYPEMB bitplane is present */ static inline int vc1_has_MVTYPEMB_bitplane(const VC1Context *v) { if (v->mv_type_is_raw) return 0; return v->s.pict_type == AV_PICTURE_TYPE_P && (v->mv_mode == MV_PMODE_MIXED_MV || (v->mv_mode == MV_PMODE_INTENSITY_COMP && v->mv_mode2 == MV_PMODE_MIXED_MV)); } /** Check whether the SKIPMB bitplane is present */ static inline int vc1_has_SKIPMB_bitplane(const VC1Context *v) { if (v->skip_is_raw) return 0; return v->s.pict_type == AV_PICTURE_TYPE_P || (v->s.pict_type == AV_PICTURE_TYPE_B && !v->bi_type); } /** Check whether the DIRECTMB bitplane is present */ static inline int vc1_has_DIRECTMB_bitplane(const VC1Context *v) { if (v->dmb_is_raw) return 0; return v->s.pict_type == AV_PICTURE_TYPE_B && !v->bi_type; } /** Check whether the ACPRED bitplane is present */ static inline int vc1_has_ACPRED_bitplane(const VC1Context *v) { if (v->acpred_is_raw) return 0; return v->profile == PROFILE_ADVANCED && (v->s.pict_type == AV_PICTURE_TYPE_I || (v->s.pict_type == AV_PICTURE_TYPE_B && v->bi_type)); } /** Check whether the OVERFLAGS bitplane is present */ static inline int vc1_has_OVERFLAGS_bitplane(const VC1Context *v) { if (v->overflg_is_raw) return 0; return v->profile == PROFILE_ADVANCED && (v->s.pict_type == AV_PICTURE_TYPE_I || (v->s.pict_type == AV_PICTURE_TYPE_B && v->bi_type)) && (v->overlap && v->pq <= 8) && v->condover == CONDOVER_SELECT; } /** Reconstruct bitstream PTYPE (7.1.1.4, index into Table-35) */ static int vc1_get_PTYPE(const VC1Context *v) { const MpegEncContext *s = &v->s; switch (s->pict_type) { case AV_PICTURE_TYPE_I: return 0; case AV_PICTURE_TYPE_P: return v->p_frame_skipped ? 4 : 1; case AV_PICTURE_TYPE_B: return v->bi_type ? 3 : 2; } return 0; } /** Reconstruct bitstream MVMODE (7.1.1.32) */ static inline VAMvModeVC1 vc1_get_MVMODE(const VC1Context *v) { if (v->s.pict_type == AV_PICTURE_TYPE_P || (v->s.pict_type == AV_PICTURE_TYPE_B && !v->bi_type)) return get_VAMvModeVC1(v->mv_mode); return 0; } /** Reconstruct bitstream MVMODE2 (7.1.1.33) */ static inline VAMvModeVC1 vc1_get_MVMODE2(const VC1Context *v) { if (v->s.pict_type == AV_PICTURE_TYPE_P && v->mv_mode == MV_PMODE_INTENSITY_COMP) return get_VAMvModeVC1(v->mv_mode2); return 0; } /** Reconstruct bitstream TTFRM (7.1.1.41, Table-53) */ static inline int vc1_get_TTFRM(const VC1Context *v) { switch (v->ttfrm) { case TT_8X8: return 0; case TT_8X4: return 1; case TT_4X8: return 2; case TT_4X4: return 3; } return 0; } /** Pack Libav bitplanes into a VABitPlaneBuffer element */ static inline void vc1_pack_bitplanes(uint8_t *bitplane, int n, const uint8_t *ff_bp[3], int x, int y, int stride) { const int bitplane_index = n / 2; const int ff_bp_index = y * stride + x; uint8_t v = 0; if (ff_bp[0]) v = ff_bp[0][ff_bp_index]; if (ff_bp[1]) v |= ff_bp[1][ff_bp_index] << 1; if (ff_bp[2]) v |= ff_bp[2][ff_bp_index] << 2; bitplane[bitplane_index] = (bitplane[bitplane_index] << 4) | v; } static int vaapi_vc1_start_frame(AVCodecContext *avctx, av_unused const uint8_t *buffer, av_unused uint32_t size) { const VC1Context *v = avctx->priv_data; const MpegEncContext *s = &v->s; VAAPIDecodePicture *pic = s->current_picture_ptr->hwaccel_picture_private; VAPictureParameterBufferVC1 pic_param; int err; pic->output_surface = ff_vaapi_get_surface_id(s->current_picture_ptr->f); pic_param = (VAPictureParameterBufferVC1) { .forward_reference_picture = VA_INVALID_ID, .backward_reference_picture = VA_INVALID_ID, .inloop_decoded_picture = VA_INVALID_ID, .sequence_fields.bits = { .pulldown = v->broadcast, .interlace = v->interlace, .tfcntrflag = v->tfcntrflag, .finterpflag = v->finterpflag, .psf = v->psf, .multires = v->multires, .overlap = v->overlap, .syncmarker = v->resync_marker, .rangered = v->rangered, .max_b_frames = s->avctx->max_b_frames, .profile = v->profile, }, .coded_width = s->avctx->coded_width, .coded_height = s->avctx->coded_height, .entrypoint_fields.bits = { .broken_link = v->broken_link, .closed_entry = v->closed_entry, .panscan_flag = v->panscanflag, .loopfilter = s->loop_filter, }, .conditional_overlap_flag = v->condover, .fast_uvmc_flag = v->fastuvmc, .range_mapping_fields.bits = { .luma_flag = v->range_mapy_flag, .luma = v->range_mapy, .chroma_flag = v->range_mapuv_flag, .chroma = v->range_mapuv, }, .b_picture_fraction = v->bfraction_lut_index, .cbp_table = v->cbpcy_vlc ? v->cbpcy_vlc - ff_vc1_cbpcy_p_vlc : 0, .mb_mode_table = 0, /* XXX: interlaced frame */ .range_reduction_frame = v->rangeredfrm, .rounding_control = v->rnd, .post_processing = v->postproc, .picture_resolution_index = v->respic, .luma_scale = v->lumscale, .luma_shift = v->lumshift, .picture_fields.bits = { .picture_type = vc1_get_PTYPE(v), .frame_coding_mode = v->fcm, .top_field_first = v->tff, .is_first_field = v->fcm == 0, /* XXX: interlaced frame */ .intensity_compensation = v->mv_mode == MV_PMODE_INTENSITY_COMP, }, .raw_coding.flags = { .mv_type_mb = v->mv_type_is_raw, .direct_mb = v->dmb_is_raw, .skip_mb = v->skip_is_raw, .field_tx = 0, /* XXX: interlaced frame */ .forward_mb = 0, /* XXX: interlaced frame */ .ac_pred = v->acpred_is_raw, .overflags = v->overflg_is_raw, }, .bitplane_present.flags = { .bp_mv_type_mb = vc1_has_MVTYPEMB_bitplane(v), .bp_direct_mb = vc1_has_DIRECTMB_bitplane(v), .bp_skip_mb = vc1_has_SKIPMB_bitplane(v), .bp_field_tx = 0, /* XXX: interlaced frame */ .bp_forward_mb = 0, /* XXX: interlaced frame */ .bp_ac_pred = vc1_has_ACPRED_bitplane(v), .bp_overflags = vc1_has_OVERFLAGS_bitplane(v), }, .reference_fields.bits = { .reference_distance_flag = v->refdist_flag, .reference_distance = 0, /* XXX: interlaced frame */ .num_reference_pictures = 0, /* XXX: interlaced frame */ .reference_field_pic_indicator = 0, /* XXX: interlaced frame */ }, .mv_fields.bits = { .mv_mode = vc1_get_MVMODE(v), .mv_mode2 = vc1_get_MVMODE2(v), .mv_table = s->mv_table_index, .two_mv_block_pattern_table = 0, /* XXX: interlaced frame */ .four_mv_switch = 0, /* XXX: interlaced frame */ .four_mv_block_pattern_table = 0, /* XXX: interlaced frame */ .extended_mv_flag = v->extended_mv, .extended_mv_range = v->mvrange, .extended_dmv_flag = v->extended_dmv, .extended_dmv_range = 0, /* XXX: interlaced frame */ }, .pic_quantizer_fields.bits = { .dquant = v->dquant, .quantizer = v->quantizer_mode, .half_qp = v->halfpq, .pic_quantizer_scale = v->pq, .pic_quantizer_type = v->pquantizer, .dq_frame = v->dquantfrm, .dq_profile = v->dqprofile, .dq_sb_edge = v->dqprofile == DQPROFILE_SINGLE_EDGE ? v->dqsbedge : 0, .dq_db_edge = v->dqprofile == DQPROFILE_DOUBLE_EDGES ? v->dqsbedge : 0, .dq_binary_level = v->dqbilevel, .alt_pic_quantizer = v->altpq, }, .transform_fields.bits = { .variable_sized_transform_flag = v->vstransform, .mb_level_transform_type_flag = v->ttmbf, .frame_level_transform_type = vc1_get_TTFRM(v), .transform_ac_codingset_idx1 = v->c_ac_table_index, .transform_ac_codingset_idx2 = v->y_ac_table_index, .intra_transform_dc_table = v->s.dc_table_index, }, }; switch (s->pict_type) { case AV_PICTURE_TYPE_B: pic_param.backward_reference_picture = ff_vaapi_get_surface_id(s->next_picture.f); // fall-through case AV_PICTURE_TYPE_P: pic_param.forward_reference_picture = ff_vaapi_get_surface_id(s->last_picture.f); break; } err = ff_vaapi_decode_make_param_buffer(avctx, pic, VAPictureParameterBufferType, &pic_param, sizeof(pic_param)); if (err) goto fail; if (pic_param.bitplane_present.value) { uint8_t *bitplane; const uint8_t *ff_bp[3]; int x, y, n; size_t size = (s->mb_width * s->mb_height + 1) / 2; bitplane = av_mallocz(size); if (!bitplane) { err = AVERROR(ENOMEM); goto fail; } switch (s->pict_type) { case AV_PICTURE_TYPE_P: ff_bp[0] = pic_param.bitplane_present.flags.bp_direct_mb ? v->direct_mb_plane : NULL; ff_bp[1] = pic_param.bitplane_present.flags.bp_skip_mb ? s->mbskip_table : NULL; ff_bp[2] = pic_param.bitplane_present.flags.bp_mv_type_mb ? v->mv_type_mb_plane : NULL; break; case AV_PICTURE_TYPE_B: if (!v->bi_type) { ff_bp[0] = pic_param.bitplane_present.flags.bp_direct_mb ? v->direct_mb_plane : NULL; ff_bp[1] = pic_param.bitplane_present.flags.bp_skip_mb ? s->mbskip_table : NULL; ff_bp[2] = NULL; /* XXX: interlaced frame (FORWARD plane) */ break; } /* fall-through (BI-type) */ case AV_PICTURE_TYPE_I: ff_bp[0] = NULL; /* XXX: interlaced frame (FIELDTX plane) */ 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 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; } 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, }; 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 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 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, };