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(cosmetics) Describe for which tests clipping is required.
Originally committed as revision 14979 to svn://svn.ffmpeg.org/ffmpeg/trunk
Vladimir Voroshilov authored on 2008/08/27 01:47:31Showing 1 changed files
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@@ -156,6 +156,8 @@ void ff_acelp_high_pass_filter( |
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tmp += (hpf_f[1]* -7667LL)>>13; |
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tmp += 7699 * (in[i] - 2*in[i-1] + in[i-2]); |
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+ /* With "+0x800" rounding, clipping is needed |
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+ for ALGTHM and SPEECH tests. */ |
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out[i] = av_clip_int16((tmp + 0x800) >> 12); |
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hpf_f[1] = hpf_f[0]; |