summaryrefslogtreecommitdiff
path: root/libavcodec/dxva2_h264.c
diff options
context:
space:
mode:
Diffstat (limited to 'libavcodec/dxva2_h264.c')
-rw-r--r--libavcodec/dxva2_h264.c33
1 files changed, 19 insertions, 14 deletions
diff --git a/libavcodec/dxva2_h264.c b/libavcodec/dxva2_h264.c
index 790e4a214b..5b23b28f12 100644
--- a/libavcodec/dxva2_h264.c
+++ b/libavcodec/dxva2_h264.c
@@ -3,23 +3,25 @@
*
* 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
*/
+#include "libavutil/avassert.h"
+
#include "dxva2_internal.h"
#include "h264dec.h"
#include "h264data.h"
@@ -99,7 +101,7 @@ static void fill_picture_parameters(const AVCodecContext *avctx, AVDXVAContext *
((sps->mb_aff &&
(h->picture_structure == PICT_FRAME)) << 1) |
(sps->residual_color_transform_flag << 2) |
- /* sp_for_switch_flag (not implemented by Libav) */
+ /* sp_for_switch_flag (not implemented by FFmpeg) */
(0 << 3) |
(sps->chroma_format_idc << 4) |
((h->nal_ref_idc != 0) << 6) |
@@ -155,14 +157,14 @@ static void fill_picture_parameters(const AVCodecContext *avctx, AVDXVAContext *
pp->deblocking_filter_control_present_flag = pps->deblocking_filter_parameters_present;
pp->redundant_pic_cnt_present_flag= 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 AVCodecContext *avctx, AVDXVAContext *ctx, const H264Context *h, DXVA_Qmatrix_H264 *qm)
{
- unsigned i, j;
const PPS *pps = h->ps.pps;
+ unsigned i, j;
memset(qm, 0, sizeof(*qm));
if (DXVA_CONTEXT_WORKAROUND(avctx, ctx) & FF_DXVA2_WORKAROUND_SCALING_LIST_ZIGZAG) {
for (i = 0; i < 6; i++)
@@ -226,7 +228,7 @@ static void fill_slice_long(AVCodecContext *avctx, DXVA_Slice_H264_Long *slice,
slice->first_mb_in_slice = (sl->mb_y >> FIELD_OR_MBAFF_PICTURE(h)) * h->mb_width + sl->mb_x;
slice->NumMbsForSlice = 0; /* XXX it is set once we have all slices */
- slice->BitOffsetToSliceData = get_bits_count(&sl->gb);
+ slice->BitOffsetToSliceData = get_bits_count(&sl->gb) - 8;
slice->slice_type = ff_h264_get_slice_type(sl);
if (sl->slice_type_fixed)
slice->slice_type += 5;
@@ -252,7 +254,7 @@ static void fill_slice_long(AVCodecContext *avctx, DXVA_Slice_H264_Long *slice,
else
index = get_refpic_index(pp, ff_dxva2_get_surface_index(avctx, ctx, r->f));
fill_picture_entry(&slice->RefPicList[list][i], index,
- r->reference == PICT_BOTTOM_FIELD);
+ sl->ref_list[list][i].reference == PICT_BOTTOM_FIELD);
for (plane = 0; plane < 3; plane++) {
int w, o;
if (plane == 0 && sl->pwt.luma_weight_flag[list]) {
@@ -279,7 +281,7 @@ 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 = sl->qscale - h->ps.pps->init_qp;
slice->redundant_pic_cnt = sl->redundant_pic_count;
if (sl->slice_type == AV_PICTURE_TYPE_B)
@@ -302,9 +304,9 @@ static int commit_bitstream_and_slice_buffer(AVCodecContext *avctx,
const H264Picture *current_picture = h->cur_pic_ptr;
struct dxva2_picture_context *ctx_pic = current_picture->hwaccel_picture_private;
DXVA_Slice_H264_Short *slice = NULL;
- void *dxva_data_ptr;
+ void *dxva_data_ptr = NULL;
uint8_t *dxva_data, *current, *end;
- unsigned dxva_size;
+ unsigned dxva_size = 0;
void *slice_data;
unsigned slice_size;
unsigned padding;
@@ -405,6 +407,8 @@ static int commit_bitstream_and_slice_buffer(AVCodecContext *avctx,
dsc11->NumMBsInBuffer = mb_count;
type = D3D11_VIDEO_DECODER_BUFFER_SLICE_CONTROL;
+
+ av_assert0((dsc11->DataSize & 127) == 0);
}
#endif
#if CONFIG_DXVA2
@@ -416,6 +420,8 @@ static int commit_bitstream_and_slice_buffer(AVCodecContext *avctx,
dsc2->NumMBsInBuffer = mb_count;
type = DXVA2_SliceControlBufferType;
+
+ av_assert0((dsc2->DataSize & 127) == 0);
}
#endif
@@ -426,7 +432,6 @@ static int commit_bitstream_and_slice_buffer(AVCodecContext *avctx,
slice_data = ctx_pic->slice_long;
slice_size = ctx_pic->slice_count * sizeof(*ctx_pic->slice_long);
}
- assert((bs->DataSize & 127) == 0);
return ff_dxva2_commit_buffer(avctx, ctx, sc,
type,
slice_data, slice_size, mb_count);