diff options
Diffstat (limited to 'libavcodec/dxva2_h264.c')
-rw-r--r-- | libavcodec/dxva2_h264.c | 47 |
1 files changed, 30 insertions, 17 deletions
diff --git a/libavcodec/dxva2_h264.c b/libavcodec/dxva2_h264.c index 690d4ad9bd..b5ffe02f44 100644 --- a/libavcodec/dxva2_h264.c +++ b/libavcodec/dxva2_h264.c @@ -3,20 +3,20 @@ * * copyright (c) 2009 Laurent Aimar * - * This file is part of Libav. + * This file is part of FFmpeg. * - * Libav is free software; you can redistribute it and/or + * 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. * - * Libav is distributed in the hope that it will be useful, + * 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 Libav; if not, write to the Free Software + * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ @@ -95,7 +95,7 @@ static void fill_picture_parameters(struct dxva_context *ctx, const H264Context pp->wBitFields = ((s->picture_structure != PICT_FRAME) << 0) | (h->sps.mb_aff << 1) | (h->sps.residual_color_transform_flag << 2) | - /* sp_for_switch_flag (not implemented by Libav) */ + /* sp_for_switch_flag (not implemented by FFmpeg) */ (0 << 3) | (h->sps.chroma_format_idc << 4) | ((h->nal_ref_idc != 0) << 6) | @@ -113,7 +113,10 @@ static void fill_picture_parameters(struct dxva_context *ctx, const H264Context pp->bit_depth_luma_minus8 = h->sps.bit_depth_luma - 8; pp->bit_depth_chroma_minus8 = h->sps.bit_depth_chroma - 8; - pp->Reserved16Bits = 3; /* FIXME is there a way to detect the right mode ? */ + if (ctx->workaround & FF_DXVA2_WORKAROUND_SCALING_LIST_ZIGZAG) + pp->Reserved16Bits = 0; + else + pp->Reserved16Bits = 3; /* FIXME is there a way to detect the right mode ? */ pp->StatusReportFeedbackNumber = 1 + ctx->report_id++; pp->CurrFieldOrderCnt[0] = 0; if ((s->picture_structure & PICT_TOP_FIELD) && @@ -146,21 +149,31 @@ static void fill_picture_parameters(struct dxva_context *ctx, const H264Context pp->deblocking_filter_control_present_flag = h->pps.deblocking_filter_parameters_present; pp->redundant_pic_cnt_present_flag= h->pps.redundant_pic_cnt_present; pp->Reserved8BitsB = 0; - pp->slice_group_change_rate_minus1= 0; /* XXX not implemented by Libav */ - //pp->SliceGroupMap[810]; /* XXX not implemented by Libav */ + pp->slice_group_change_rate_minus1= 0; /* XXX not implemented by FFmpeg */ + //pp->SliceGroupMap[810]; /* XXX not implemented by FFmpeg */ } -static void fill_scaling_lists(const H264Context *h, DXVA_Qmatrix_H264 *qm) +static void fill_scaling_lists(struct dxva_context *ctx, const H264Context *h, DXVA_Qmatrix_H264 *qm) { unsigned i, j; memset(qm, 0, sizeof(*qm)); - for (i = 0; i < 6; i++) - for (j = 0; j < 16; j++) - qm->bScalingLists4x4[i][j] = h->pps.scaling_matrix4[i][zigzag_scan[j]]; + if (ctx->workaround & FF_DXVA2_WORKAROUND_SCALING_LIST_ZIGZAG) { + for (i = 0; i < 6; i++) + for (j = 0; j < 16; j++) + qm->bScalingLists4x4[i][j] = h->pps.scaling_matrix4[i][j]; + + for (i = 0; i < 2; i++) + for (j = 0; j < 64; j++) + qm->bScalingLists8x8[i][j] = h->pps.scaling_matrix8[i][j]; + } else { + for (i = 0; i < 6; i++) + for (j = 0; j < 16; j++) + qm->bScalingLists4x4[i][j] = h->pps.scaling_matrix4[i][zigzag_scan[j]]; - for (i = 0; i < 2; i++) - for (j = 0; j < 64; j++) - qm->bScalingLists8x8[i][j] = h->pps.scaling_matrix8[i][ff_zigzag_direct[j]]; + for (i = 0; i < 2; i++) + for (j = 0; j < 64; j++) + qm->bScalingLists8x8[i][j] = h->pps.scaling_matrix8[i][ff_zigzag_direct[j]]; + } } static int is_slice_short(struct dxva_context *ctx) @@ -243,7 +256,7 @@ static void fill_slice_long(AVCodecContext *avctx, DXVA_Slice_H264_Long *slice, } } } - slice->slice_qs_delta = 0; /* XXX not implemented by Libav */ + slice->slice_qs_delta = 0; /* XXX not implemented by FFmpeg */ slice->slice_qp_delta = s->qscale - h->pps.init_qp; slice->redundant_pic_cnt = h->redundant_pic_count; if (h->slice_type == AV_PICTURE_TYPE_B) @@ -370,7 +383,7 @@ static int start_frame(AVCodecContext *avctx, fill_picture_parameters(ctx, h, &ctx_pic->pp); /* Fill up DXVA_Qmatrix_H264 */ - fill_scaling_lists(h, &ctx_pic->qm); + fill_scaling_lists(ctx, h, &ctx_pic->qm); ctx_pic->slice_count = 0; ctx_pic->bitstream_size = 0; |