コード例 #1
0
ファイル: vaapi_hevc.c プロジェクト: 0day-ci/FFmpeg
/** Initialize and start decoding a frame with VA API. */
static int vaapi_hevc_start_frame(AVCodecContext          *avctx,
                                  av_unused const uint8_t *buffer,
                                  av_unused uint32_t       size)
{
    HEVCContext * const h = avctx->priv_data;
    FFVAContext * const vactx = ff_vaapi_get_context(avctx);
    vaapi_hevc_frame_data *frame_data = h->ref->hwaccel_picture_private;
    VAPictureParameterBufferHEVC *pic_param;
    VAIQMatrixBufferHEVC *iq_matrix;
    ScalingList const * scaling_list;
    int i, j, pos;

    ff_dlog(avctx, "vaapi_hevc_start_frame()\n");

    vactx->slice_param_size = sizeof(VASliceParameterBufferHEVC);

    /* Fill in VAPictureParameterBufferHEVC. */
    pic_param = ff_vaapi_alloc_pic_param(vactx, sizeof(VAPictureParameterBufferHEVC));
    if (!pic_param)
        return -1;
    fill_picture_parameters(h, pic_param);
    frame_data->pic_param = pic_param;

    /* Fill in VAIQMatrixBufferHEVC. */
    if (h->ps.pps->scaling_list_data_present_flag) {
        scaling_list = &h->ps.pps->scaling_list;
    } else if (h->ps.sps->scaling_list_enable_flag) {
        scaling_list = &h->ps.sps->scaling_list;
    } else {
        return 0;
    }

    iq_matrix = ff_vaapi_alloc_iq_matrix(vactx, sizeof(VAIQMatrixBufferHEVC));
    if (!iq_matrix)
        return -1;

    for (i = 0; i < 6; ++i) {
        for (j = 0; j < 16; ++j) {
            pos = 4 * ff_hevc_diag_scan4x4_y[j] + ff_hevc_diag_scan4x4_x[j];
            iq_matrix->ScalingList4x4[i][j] = scaling_list->sl[0][i][pos];
        }
        for (j = 0; j < 64; ++j) {
            pos = 8 * ff_hevc_diag_scan8x8_y[j] + ff_hevc_diag_scan8x8_x[j];
            iq_matrix->ScalingList8x8[i][j] = scaling_list->sl[1][i][pos];
            iq_matrix->ScalingList16x16[i][j] = scaling_list->sl[2][i][pos];
            if (i < 2) {
                iq_matrix->ScalingList32x32[i][j] = scaling_list->sl[3][i * 3][pos];
            }
        }
        iq_matrix->ScalingListDC16x16[i] = scaling_list->sl_dc[0][i];
        if (i < 2) {
            iq_matrix->ScalingListDC32x32[i] = scaling_list->sl_dc[1][i * 3];
        }
    }

    return 0;
}
コード例 #2
0
ファイル: vaapi_vp9.c プロジェクト: KangLin/FFmpeg
static int vaapi_vp9_start_frame(AVCodecContext          *avctx,
                                 av_unused const uint8_t *buffer,
                                 av_unused uint32_t       size)
{
    const VP9SharedContext *h = avctx->priv_data;
    FFVAContext * const vactx = ff_vaapi_get_context(avctx);
    VADecPictureParameterBufferVP9 *pic_param;

    vactx->slice_param_size = sizeof(VASliceParameterBufferVP9);

    pic_param = ff_vaapi_alloc_pic_param(vactx, sizeof(VADecPictureParameterBufferVP9));
    if (!pic_param)
        return -1;
    fill_picture_parameters(avctx, h, pic_param);

    return 0;
}
コード例 #3
0
ファイル: vaapi_mpeg4.c プロジェクト: HighlightCam/FFmpeg
static int vaapi_mpeg4_start_frame(AVCodecContext *avctx, av_unused const uint8_t *buffer, av_unused uint32_t size)
{
    MpegEncContext * const s = avctx->priv_data;
    struct vaapi_context * const vactx = avctx->hwaccel_context;
    VAPictureParameterBufferMPEG4 *pic_param;
    VAIQMatrixBufferMPEG4 *iq_matrix;
    int i;

    av_dlog(avctx, "vaapi_mpeg4_start_frame()\n");

    vactx->slice_param_size = sizeof(VASliceParameterBufferMPEG4);

    /* Fill in VAPictureParameterBufferMPEG4 */
    pic_param = ff_vaapi_alloc_pic_param(vactx, sizeof(VAPictureParameterBufferMPEG4));
    if (!pic_param)
        return -1;
    pic_param->vop_width                                = s->width;
    pic_param->vop_height                               = s->height;
    pic_param->forward_reference_picture                = VA_INVALID_ID;
    pic_param->backward_reference_picture               = VA_INVALID_ID;
    pic_param->vol_fields.value                         = 0; /* reset all bits */
    pic_param->vol_fields.bits.short_video_header       = avctx->codec->id == AV_CODEC_ID_H263;
    pic_param->vol_fields.bits.chroma_format            = CHROMA_420;
    pic_param->vol_fields.bits.interlaced               = !s->progressive_sequence;
    pic_param->vol_fields.bits.obmc_disable             = 1;
    pic_param->vol_fields.bits.sprite_enable            = s->vol_sprite_usage;
    pic_param->vol_fields.bits.sprite_warping_accuracy  = s->sprite_warping_accuracy;
    pic_param->vol_fields.bits.quant_type               = s->mpeg_quant;
    pic_param->vol_fields.bits.quarter_sample           = s->quarter_sample;
    pic_param->vol_fields.bits.data_partitioned         = s->data_partitioning;
    pic_param->vol_fields.bits.reversible_vlc           = s->rvlc;
    pic_param->vol_fields.bits.resync_marker_disable    = !s->resync_marker;
    pic_param->no_of_sprite_warping_points              = s->num_sprite_warping_points;
    for (i = 0; i < s->num_sprite_warping_points && i < 3; i++) {
        pic_param->sprite_trajectory_du[i]              = s->sprite_traj[i][0];
        pic_param->sprite_trajectory_dv[i]              = s->sprite_traj[i][1];
    }
    pic_param->quant_precision                          = s->quant_precision;
    pic_param->vop_fields.value                         = 0; /* reset all bits */
    pic_param->vop_fields.bits.vop_coding_type          = s->pict_type - AV_PICTURE_TYPE_I;
    pic_param->vop_fields.bits.backward_reference_vop_coding_type = s->pict_type == AV_PICTURE_TYPE_B ? s->next_picture.f.pict_type - AV_PICTURE_TYPE_I : 0;
    pic_param->vop_fields.bits.vop_rounding_type        = s->no_rounding;
    pic_param->vop_fields.bits.intra_dc_vlc_thr         = mpeg4_get_intra_dc_vlc_thr(s);
    pic_param->vop_fields.bits.top_field_first          = s->top_field_first;
    pic_param->vop_fields.bits.alternate_vertical_scan_flag = s->alternate_scan;
    pic_param->vop_fcode_forward                        = s->f_code;
    pic_param->vop_fcode_backward                       = s->b_code;
    pic_param->vop_time_increment_resolution            = avctx->time_base.den;
    pic_param->num_macroblocks_in_gob                   = s->mb_width * ff_h263_get_gob_height(s);
    pic_param->num_gobs_in_vop                          = (s->mb_width * s->mb_height) / pic_param->num_macroblocks_in_gob;
    pic_param->TRB                                      = s->pb_time;
    pic_param->TRD                                      = s->pp_time;

    if (s->pict_type == AV_PICTURE_TYPE_B)
        pic_param->backward_reference_picture = ff_vaapi_get_surface_id(&s->next_picture);
    if (s->pict_type != AV_PICTURE_TYPE_I)
        pic_param->forward_reference_picture  = ff_vaapi_get_surface_id(&s->last_picture);

    /* Fill in VAIQMatrixBufferMPEG4 */
    /* Only the first inverse quantisation method uses the weighting matrices */
    if (pic_param->vol_fields.bits.quant_type) {
        iq_matrix = ff_vaapi_alloc_iq_matrix(vactx, sizeof(VAIQMatrixBufferMPEG4));
        if (!iq_matrix)
            return -1;
        iq_matrix->load_intra_quant_mat         = 1;
        iq_matrix->load_non_intra_quant_mat     = 1;

        for (i = 0; i < 64; i++) {
            int n = s->dsp.idct_permutation[ff_zigzag_direct[i]];
            iq_matrix->intra_quant_mat[i]       = s->intra_matrix[n];
            iq_matrix->non_intra_quant_mat[i]   = s->inter_matrix[n];
        }
    }
    return 0;
}
コード例 #4
0
/** Initialize and start decoding a frame with VA API. */
static int start_frame(AVCodecContext          *avctx,
                       av_unused const uint8_t *buffer,
                       av_unused uint32_t       size)
{
    H264Context * const h = avctx->priv_data;
    MpegEncContext * const s = &h->s;
    struct vaapi_context * const vactx = avctx->hwaccel_context;
    VAPictureParameterBufferH264 *pic_param;
    VAIQMatrixBufferH264 *iq_matrix;

    av_dlog(avctx, "start_frame()\n");

    vactx->slice_param_size = sizeof(VASliceParameterBufferH264);

    /* Fill in VAPictureParameterBufferH264. */
    pic_param = ff_vaapi_alloc_pic_param(vactx, sizeof(VAPictureParameterBufferH264));
    if (!pic_param)
        return -1;
    fill_vaapi_pic(&pic_param->CurrPic, s->current_picture_ptr, s->picture_structure);
    if (fill_vaapi_ReferenceFrames(pic_param, h) < 0)
        return -1;
    pic_param->picture_width_in_mbs_minus1                      = s->mb_width - 1;
    pic_param->picture_height_in_mbs_minus1                     = s->mb_height - 1;
    pic_param->bit_depth_luma_minus8                            = h->sps.bit_depth_luma - 8;
    pic_param->bit_depth_chroma_minus8                          = h->sps.bit_depth_chroma - 8;
    pic_param->num_ref_frames                                   = h->sps.ref_frame_count;
    pic_param->seq_fields.value                                 = 0; /* reset all bits */
    pic_param->seq_fields.bits.chroma_format_idc                = h->sps.chroma_format_idc;
    pic_param->seq_fields.bits.residual_colour_transform_flag   = h->sps.residual_color_transform_flag; /* XXX: only for 4:4:4 high profile? */
    pic_param->seq_fields.bits.gaps_in_frame_num_value_allowed_flag = h->sps.gaps_in_frame_num_allowed_flag;
    pic_param->seq_fields.bits.frame_mbs_only_flag              = h->sps.frame_mbs_only_flag;
    pic_param->seq_fields.bits.mb_adaptive_frame_field_flag     = h->sps.mb_aff;
    pic_param->seq_fields.bits.direct_8x8_inference_flag        = h->sps.direct_8x8_inference_flag;
    pic_param->seq_fields.bits.MinLumaBiPredSize8x8             = h->sps.level_idc >= 31; /* A.3.3.2 */
    pic_param->seq_fields.bits.log2_max_frame_num_minus4        = h->sps.log2_max_frame_num - 4;
    pic_param->seq_fields.bits.pic_order_cnt_type               = h->sps.poc_type;
    pic_param->seq_fields.bits.log2_max_pic_order_cnt_lsb_minus4 = h->sps.log2_max_poc_lsb - 4;
    pic_param->seq_fields.bits.delta_pic_order_always_zero_flag = h->sps.delta_pic_order_always_zero_flag;
    pic_param->num_slice_groups_minus1                          = h->pps.slice_group_count - 1;
    pic_param->slice_group_map_type                             = h->pps.mb_slice_group_map_type;
    pic_param->slice_group_change_rate_minus1                   = 0; /* XXX: unimplemented in FFmpeg */
    pic_param->pic_init_qp_minus26                              = h->pps.init_qp - 26;
    pic_param->pic_init_qs_minus26                              = h->pps.init_qs - 26;
    pic_param->chroma_qp_index_offset                           = h->pps.chroma_qp_index_offset[0];
    pic_param->second_chroma_qp_index_offset                    = h->pps.chroma_qp_index_offset[1];
    pic_param->pic_fields.value                                 = 0; /* reset all bits */
    pic_param->pic_fields.bits.entropy_coding_mode_flag         = h->pps.cabac;
    pic_param->pic_fields.bits.weighted_pred_flag               = h->pps.weighted_pred;
    pic_param->pic_fields.bits.weighted_bipred_idc              = h->pps.weighted_bipred_idc;
    pic_param->pic_fields.bits.transform_8x8_mode_flag          = h->pps.transform_8x8_mode;
    pic_param->pic_fields.bits.field_pic_flag                   = s->picture_structure != PICT_FRAME;
    pic_param->pic_fields.bits.constrained_intra_pred_flag      = h->pps.constrained_intra_pred;
    pic_param->pic_fields.bits.pic_order_present_flag           = h->pps.pic_order_present;
    pic_param->pic_fields.bits.deblocking_filter_control_present_flag = h->pps.deblocking_filter_parameters_present;
    pic_param->pic_fields.bits.redundant_pic_cnt_present_flag   = h->pps.redundant_pic_cnt_present;
    pic_param->pic_fields.bits.reference_pic_flag               = h->nal_ref_idc != 0;
    pic_param->frame_num                                        = h->frame_num;

    /* Fill in VAIQMatrixBufferH264. */
    iq_matrix = ff_vaapi_alloc_iq_matrix(vactx, sizeof(VAIQMatrixBufferH264));
    if (!iq_matrix)
        return -1;
    memcpy(iq_matrix->ScalingList4x4, h->pps.scaling_matrix4, sizeof(iq_matrix->ScalingList4x4));
    memcpy(iq_matrix->ScalingList8x8, h->pps.scaling_matrix8, sizeof(iq_matrix->ScalingList8x8));
    return 0;
}
コード例 #5
0
ファイル: vaapi_vc1.c プロジェクト: Flameeyes/libav
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;
    struct vaapi_context * const vactx = avctx->hwaccel_context;
    VAPictureParameterBufferVC1 *pic_param;

    av_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                      = s->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);
        // fall-through
    case AV_PICTURE_TYPE_P:
        pic_param->forward_reference_picture = ff_vaapi_get_surface_id(&s->last_picture);
        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;
}
コード例 #6
0
ファイル: vaapi_mpeg2.c プロジェクト: BOTCrusher/sagetv
static int vaapi_mpeg2_start_frame(AVCodecContext *avctx, av_unused const uint8_t *buffer, av_unused uint32_t size)
{
    struct MpegEncContext * const s = avctx->priv_data;
    struct vaapi_context * const vactx = avctx->hwaccel_context;
    VAPictureParameterBufferMPEG2 *pic_param;
    VAIQMatrixBufferMPEG2 *iq_matrix;
    int i;

    dprintf(avctx, "vaapi_mpeg2_start_frame()\n");

    vactx->slice_param_size = sizeof(VASliceParameterBufferMPEG2);

    /* Fill in VAPictureParameterBufferMPEG2 */
    pic_param = ff_vaapi_alloc_pic_param(vactx, sizeof(VAPictureParameterBufferMPEG2));
    if (!pic_param)
        return -1;
    pic_param->horizontal_size                                  = s->width;
    pic_param->vertical_size                                    = s->height;
    pic_param->forward_reference_picture                        = VA_INVALID_ID;
    pic_param->backward_reference_picture                       = VA_INVALID_ID;
    pic_param->picture_coding_type                              = s->pict_type;
    pic_param->f_code                                           = mpeg2_get_f_code(s);
    pic_param->picture_coding_extension.value                   = 0; /* reset all bits */
    pic_param->picture_coding_extension.bits.intra_dc_precision = s->intra_dc_precision;
    pic_param->picture_coding_extension.bits.picture_structure  = s->picture_structure;
    pic_param->picture_coding_extension.bits.top_field_first    = s->top_field_first;
    pic_param->picture_coding_extension.bits.frame_pred_frame_dct = s->frame_pred_frame_dct;
    pic_param->picture_coding_extension.bits.concealment_motion_vectors = s->concealment_motion_vectors;
    pic_param->picture_coding_extension.bits.q_scale_type       = s->q_scale_type;
    pic_param->picture_coding_extension.bits.intra_vlc_format   = s->intra_vlc_format;
    pic_param->picture_coding_extension.bits.alternate_scan     = s->alternate_scan;
    pic_param->picture_coding_extension.bits.repeat_first_field = s->repeat_first_field;
    pic_param->picture_coding_extension.bits.progressive_frame  = s->progressive_frame;
    pic_param->picture_coding_extension.bits.is_first_field     = mpeg2_get_is_frame_start(s);

    switch (s->pict_type) {
    case FF_B_TYPE:
        pic_param->backward_reference_picture = ff_vaapi_get_surface_id(&s->next_picture);
        // fall-through
    case FF_P_TYPE:
        pic_param->forward_reference_picture = ff_vaapi_get_surface_id(&s->last_picture);
        break;
    }

    /* Fill in VAIQMatrixBufferMPEG2 */
    iq_matrix = ff_vaapi_alloc_iq_matrix(vactx, sizeof(VAIQMatrixBufferMPEG2));
    if (!iq_matrix)
        return -1;
    iq_matrix->load_intra_quantiser_matrix              = 1;
    iq_matrix->load_non_intra_quantiser_matrix          = 1;
    iq_matrix->load_chroma_intra_quantiser_matrix       = 1;
    iq_matrix->load_chroma_non_intra_quantiser_matrix   = 1;

    for (i = 0; i < 64; i++) {
        int n = s->dsp.idct_permutation[ff_zigzag_direct[i]];
        iq_matrix->intra_quantiser_matrix[i]            = s->intra_matrix[n];
        iq_matrix->non_intra_quantiser_matrix[i]        = s->inter_matrix[n];
        iq_matrix->chroma_intra_quantiser_matrix[i]     = s->chroma_intra_matrix[n];
        iq_matrix->chroma_non_intra_quantiser_matrix[i] = s->chroma_inter_matrix[n];
    }
    return 0;
}