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vp9: clip intermediates in dequant calculations.

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This makes values consistent with libvpx.
This commit is contained in:
Ronald S. Bultje
2015-09-02 13:47:22 -04:00
parent eaff36c973
commit 48f641a18b
1 changed files with 2 additions and 2 deletions
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4
libavcodec/vp9.c
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@@ -785,9 +785,9 @@ static int decode_frame_header(AVCodecContext *ctx,
if (s->segmentation.feat[i].q_enabled) {
if (s->segmentation.absolute_vals)
qyac = s->segmentation.feat[i].q_val;
qyac = av_clip_uintp2(s->segmentation.feat[i].q_val, 8);
else
qyac = s->yac_qi + s->segmentation.feat[i].q_val;
qyac = av_clip_uintp2(s->yac_qi + s->segmentation.feat[i].q_val, 8);
} else {
qyac = s->yac_qi;
}