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Diffstat (limited to 'libavcodec/dxva2_h264.c')
-rw-r--r--libavcodec/dxva2_h264.c47
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;