mirror of https://git.ffmpeg.org/ffmpeg.git
vp9: reset loopfilter mode/ref deltas on keyframe.
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@ -698,6 +698,15 @@ static int decode_frame_header(AVCodecContext *ctx,
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s->framectxid = c = get_bits(&s->gb, 2);
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/* loopfilter header data */
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if (s->keyframe || s->errorres || s->intraonly) {
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// reset loopfilter defaults
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s->lf_delta.ref[0] = 1;
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s->lf_delta.ref[1] = 0;
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s->lf_delta.ref[2] = -1;
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s->lf_delta.ref[3] = -1;
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s->lf_delta.mode[0] = 0;
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s->lf_delta.mode[1] = 0;
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}
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s->filter.level = get_bits(&s->gb, 6);
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sharp = get_bits(&s->gb, 3);
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// if sharpness changed, reinit lim/mblim LUTs. if it didn't change, keep
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