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Prevent shift overflow, patch by Anders Grönberg, galileo.m2 gmail com.
Originally committed as revision 16121 to svn://svn.ffmpeg.org/ffmpeg/trunk
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@ -784,7 +784,7 @@ static int avcodec_find_best_pix_fmt1(int64_t pix_fmt_mask,
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dst_pix_fmt = -1;
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min_dist = 0x7fffffff;
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for(i = 0;i < PIX_FMT_NB; i++) {
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if (pix_fmt_mask & (1 << i)) {
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if (pix_fmt_mask & (1ULL << i)) {
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loss = avcodec_get_pix_fmt_loss(i, src_pix_fmt, has_alpha) & loss_mask;
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if (loss == 0) {
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dist = avg_bits_per_pixel(i);
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