In png decoder, only call png_init_mmx if HAVE_MMX is defined.
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@ -624,7 +624,9 @@ static av_cold int png_dec_init(AVCodecContext *avctx)
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avcodec_get_frame_defaults(&s->picture1);
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avcodec_get_frame_defaults(&s->picture1);
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avcodec_get_frame_defaults(&s->picture2);
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avcodec_get_frame_defaults(&s->picture2);
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#ifdef HAVE_MMX
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ff_png_init_mmx(s);
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ff_png_init_mmx(s);
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#endif
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if (!s->add_paeth_prediction)
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if (!s->add_paeth_prediction)
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s->add_paeth_prediction = add_paeth_prediction_c;
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s->add_paeth_prediction = add_paeth_prediction_c;
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