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Fixed DXVA_Slice_H264_Long::BitOffsetToSliceData value.

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The 8 bits offset (nal unit type) should not be added, as the spec says:

"This bit offset is the offset within the RBSP data for the slice, relative
to the starting position of the slice_header() in the RBSP"

This fixes DXVA2 support for intel GPU.

Patch by Rafaël Carré (funman _AT_ videolan _DOT_ org).

Originally committed as revision 25538 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Rafaël Carré 2010-10-21 18:39:57 +00:00 committed by Laurent Aimar
parent eced8fa02e
commit fc068f9f27
1 changed files with 1 additions and 1 deletions
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2
libavcodec/dxva2_h264.c
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@ -194,7 +194,7 @@ static void fill_slice_long(AVCodecContext *avctx, DXVA_Slice_H264_Long *slice,
slice->first_mb_in_slice = (s->mb_y >> FIELD_OR_MBAFF_PICTURE) * s->mb_width + s->mb_x;
slice->NumMbsForSlice = 0; /* XXX it is set once we have all slices */
slice->BitOffsetToSliceData = get_bits_count(&s->gb) + 8;
slice->BitOffsetToSliceData = get_bits_count(&s->gb);
slice->slice_type = ff_h264_get_slice_type(h);
if (h->slice_type_fixed)
slice->slice_type += 5;