| /* |
| * VC-1 HW decode acceleration through VA API |
| * |
| * Copyright (C) 2008-2009 Splitted-Desktop Systems |
| * |
| * 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 "vaapi_internal.h" |
| #include "internal.h" |
| #include "vc1.h" |
| #include "vc1data.h" |
| |
| /** Translate FFmpeg 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(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(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(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(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(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(VC1Context *v) |
| { |
| MpegEncContext * const 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(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(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(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 FFmpeg 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) |
| { |
| VC1Context * const v = avctx->priv_data; |
| MpegEncContext * const s = &v->s; |
| FFVAContext * const vactx = ff_vaapi_get_context(avctx); |
| VAPictureParameterBufferVC1 *pic_param; |
| |
| ff_dlog(avctx, "vaapi_vc1_start_frame()\n"); |
| |
| vactx->slice_param_size = sizeof(VASliceParameterBufferVC1); |
| |
| /* Fill in VAPictureParameterBufferVC1 */ |
| pic_param = ff_vaapi_alloc_pic_param(vactx, sizeof(VAPictureParameterBufferVC1)); |
| if (!pic_param) |
| return -1; |
| pic_param->forward_reference_picture = VA_INVALID_ID; |
| pic_param->backward_reference_picture = VA_INVALID_ID; |
| pic_param->inloop_decoded_picture = VA_INVALID_ID; |
| pic_param->sequence_fields.value = 0; /* reset all bits */ |
| pic_param->sequence_fields.bits.pulldown = v->broadcast; |
| pic_param->sequence_fields.bits.interlace = v->interlace; |
| pic_param->sequence_fields.bits.tfcntrflag = v->tfcntrflag; |
| pic_param->sequence_fields.bits.finterpflag = v->finterpflag; |
| pic_param->sequence_fields.bits.psf = v->psf; |
| pic_param->sequence_fields.bits.multires = v->multires; |
| pic_param->sequence_fields.bits.overlap = v->overlap; |
| pic_param->sequence_fields.bits.syncmarker = v->resync_marker; |
| pic_param->sequence_fields.bits.rangered = v->rangered; |
| pic_param->sequence_fields.bits.max_b_frames = s->avctx->max_b_frames; |
| #if VA_CHECK_VERSION(0,32,0) |
| pic_param->sequence_fields.bits.profile = v->profile; |
| #endif |
| pic_param->coded_width = s->avctx->coded_width; |
| pic_param->coded_height = s->avctx->coded_height; |
| pic_param->entrypoint_fields.value = 0; /* reset all bits */ |
| pic_param->entrypoint_fields.bits.broken_link = v->broken_link; |
| pic_param->entrypoint_fields.bits.closed_entry = v->closed_entry; |
| pic_param->entrypoint_fields.bits.panscan_flag = v->panscanflag; |
| pic_param->entrypoint_fields.bits.loopfilter = s->loop_filter; |
| pic_param->conditional_overlap_flag = v->condover; |
| pic_param->fast_uvmc_flag = v->fastuvmc; |
| pic_param->range_mapping_fields.value = 0; /* reset all bits */ |
| pic_param->range_mapping_fields.bits.luma_flag = v->range_mapy_flag; |
| pic_param->range_mapping_fields.bits.luma = v->range_mapy; |
| pic_param->range_mapping_fields.bits.chroma_flag = v->range_mapuv_flag; |
| pic_param->range_mapping_fields.bits.chroma = v->range_mapuv; |
| pic_param->b_picture_fraction = v->bfraction_lut_index; |
| pic_param->cbp_table = v->cbpcy_vlc ? v->cbpcy_vlc - ff_vc1_cbpcy_p_vlc : 0; |
| pic_param->mb_mode_table = 0; /* XXX: interlaced frame */ |
| pic_param->range_reduction_frame = v->rangeredfrm; |
| pic_param->rounding_control = v->rnd; |
| pic_param->post_processing = v->postproc; |
| pic_param->picture_resolution_index = v->respic; |
| pic_param->luma_scale = v->lumscale; |
| pic_param->luma_shift = v->lumshift; |
| pic_param->picture_fields.value = 0; /* reset all bits */ |
| pic_param->picture_fields.bits.picture_type = vc1_get_PTYPE(v); |
| pic_param->picture_fields.bits.frame_coding_mode = v->fcm; |
| pic_param->picture_fields.bits.top_field_first = v->tff; |
| pic_param->picture_fields.bits.is_first_field = v->fcm == 0; /* XXX: interlaced frame */ |
| pic_param->picture_fields.bits.intensity_compensation = v->mv_mode == MV_PMODE_INTENSITY_COMP; |
| pic_param->raw_coding.value = 0; /* reset all bits */ |
| pic_param->raw_coding.flags.mv_type_mb = v->mv_type_is_raw; |
| pic_param->raw_coding.flags.direct_mb = v->dmb_is_raw; |
| pic_param->raw_coding.flags.skip_mb = v->skip_is_raw; |
| pic_param->raw_coding.flags.field_tx = 0; /* XXX: interlaced frame */ |
| pic_param->raw_coding.flags.forward_mb = 0; /* XXX: interlaced frame */ |
| pic_param->raw_coding.flags.ac_pred = v->acpred_is_raw; |
| pic_param->raw_coding.flags.overflags = v->overflg_is_raw; |
| pic_param->bitplane_present.value = 0; /* reset all bits */ |
| pic_param->bitplane_present.flags.bp_mv_type_mb = vc1_has_MVTYPEMB_bitplane(v); |
| pic_param->bitplane_present.flags.bp_direct_mb = vc1_has_DIRECTMB_bitplane(v); |
| pic_param->bitplane_present.flags.bp_skip_mb = vc1_has_SKIPMB_bitplane(v); |
| pic_param->bitplane_present.flags.bp_field_tx = 0; /* XXX: interlaced frame */ |
| pic_param->bitplane_present.flags.bp_forward_mb = 0; /* XXX: interlaced frame */ |
| pic_param->bitplane_present.flags.bp_ac_pred = vc1_has_ACPRED_bitplane(v); |
| pic_param->bitplane_present.flags.bp_overflags = vc1_has_OVERFLAGS_bitplane(v); |
| pic_param->reference_fields.value = 0; /* reset all bits */ |
| pic_param->reference_fields.bits.reference_distance_flag = v->refdist_flag; |
| pic_param->reference_fields.bits.reference_distance = 0; /* XXX: interlaced frame */ |
| pic_param->reference_fields.bits.num_reference_pictures = 0; /* XXX: interlaced frame */ |
| pic_param->reference_fields.bits.reference_field_pic_indicator = 0; /* XXX: interlaced frame */ |
| pic_param->mv_fields.value = 0; /* reset all bits */ |
| pic_param->mv_fields.bits.mv_mode = vc1_get_MVMODE(v); |
| pic_param->mv_fields.bits.mv_mode2 = vc1_get_MVMODE2(v); |
| pic_param->mv_fields.bits.mv_table = s->mv_table_index; |
| pic_param->mv_fields.bits.two_mv_block_pattern_table = 0; /* XXX: interlaced frame */ |
| pic_param->mv_fields.bits.four_mv_switch = 0; /* XXX: interlaced frame */ |
| pic_param->mv_fields.bits.four_mv_block_pattern_table = 0; /* XXX: interlaced frame */ |
| pic_param->mv_fields.bits.extended_mv_flag = v->extended_mv; |
| pic_param->mv_fields.bits.extended_mv_range = v->mvrange; |
| pic_param->mv_fields.bits.extended_dmv_flag = v->extended_dmv; |
| pic_param->mv_fields.bits.extended_dmv_range = 0; /* XXX: interlaced frame */ |
| pic_param->pic_quantizer_fields.value = 0; /* reset all bits */ |
| pic_param->pic_quantizer_fields.bits.dquant = v->dquant; |
| pic_param->pic_quantizer_fields.bits.quantizer = v->quantizer_mode; |
| pic_param->pic_quantizer_fields.bits.half_qp = v->halfpq; |
| pic_param->pic_quantizer_fields.bits.pic_quantizer_scale = v->pq; |
| pic_param->pic_quantizer_fields.bits.pic_quantizer_type = v->pquantizer; |
| pic_param->pic_quantizer_fields.bits.dq_frame = v->dquantfrm; |
| pic_param->pic_quantizer_fields.bits.dq_profile = v->dqprofile; |
| pic_param->pic_quantizer_fields.bits.dq_sb_edge = v->dqprofile == DQPROFILE_SINGLE_EDGE ? v->dqsbedge : 0; |
| pic_param->pic_quantizer_fields.bits.dq_db_edge = v->dqprofile == DQPROFILE_DOUBLE_EDGES ? v->dqsbedge : 0; |
| pic_param->pic_quantizer_fields.bits.dq_binary_level = v->dqbilevel; |
| pic_param->pic_quantizer_fields.bits.alt_pic_quantizer = v->altpq; |
| pic_param->transform_fields.value = 0; /* reset all bits */ |
| pic_param->transform_fields.bits.variable_sized_transform_flag = v->vstransform; |
| pic_param->transform_fields.bits.mb_level_transform_type_flag = v->ttmbf; |
| pic_param->transform_fields.bits.frame_level_transform_type = vc1_get_TTFRM(v); |
| pic_param->transform_fields.bits.transform_ac_codingset_idx1 = v->c_ac_table_index; |
| pic_param->transform_fields.bits.transform_ac_codingset_idx2 = v->y_ac_table_index; |
| pic_param->transform_fields.bits.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; |
| } |
| |
| if (pic_param->bitplane_present.value) { |
| uint8_t *bitplane; |
| const uint8_t *ff_bp[3]; |
| int x, y, n; |
| |
| 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; |
| } |
| |
| bitplane = ff_vaapi_alloc_bitplane(vactx, (s->mb_width * s->mb_height + 1) / 2); |
| if (!bitplane) |
| return -1; |
| |
| 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; |
| } |
| return 0; |
| } |
| |
| static int vaapi_vc1_decode_slice(AVCodecContext *avctx, const uint8_t *buffer, uint32_t size) |
| { |
| VC1Context * const v = avctx->priv_data; |
| MpegEncContext * const s = &v->s; |
| FFVAContext * const vactx = ff_vaapi_get_context(avctx); |
| VASliceParameterBufferVC1 *slice_param; |
| |
| ff_dlog(avctx, "vaapi_vc1_decode_slice(): buffer %p, size %d\n", buffer, size); |
| |
| /* 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; |
| } |
| |
| /* Fill in VASliceParameterBufferVC1 */ |
| slice_param = (VASliceParameterBufferVC1 *)ff_vaapi_alloc_slice(vactx, buffer, size); |
| if (!slice_param) |
| return -1; |
| slice_param->macroblock_offset = get_bits_count(&s->gb); |
| slice_param->slice_vertical_position = s->mb_y; |
| 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 = ff_vaapi_mpeg_end_frame, |
| .decode_slice = vaapi_vc1_decode_slice, |
| .init = ff_vaapi_context_init, |
| .uninit = ff_vaapi_context_fini, |
| .priv_data_size = sizeof(FFVAContext), |
| }; |
| #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 = ff_vaapi_mpeg_end_frame, |
| .decode_slice = vaapi_vc1_decode_slice, |
| .init = ff_vaapi_context_init, |
| .uninit = ff_vaapi_context_fini, |
| .priv_data_size = sizeof(FFVAContext), |
| }; |
