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| author | Vladimir Voroshilov <voroshil@gmail.com> | 2008-08-26 16:47:31 +0000 |
|---|---|---|
| committer | Vladimir Voroshilov <voroshil@gmail.com> | 2008-08-26 16:47:31 +0000 |
| commit | f5e177f8521c585a101eafc171be06de1a3d5b60 (patch) | |
| tree | 4e061a760349df392bbcb11c7c3f6eaa1c19f5b0 /libavcodec/acelp_filters.c | |
| parent | 122d0276306e0a8843caeaeb340a497db7552c97 (diff) | |
(cosmetics) Describe for which tests clipping is required.
Originally committed as revision 14979 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/acelp_filters.c')
| -rw-r--r-- | libavcodec/acelp_filters.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libavcodec/acelp_filters.c b/libavcodec/acelp_filters.c index 83db0efc8a..59db6497f6 100644 --- a/libavcodec/acelp_filters.c +++ b/libavcodec/acelp_filters.c @@ -156,6 +156,8 @@ void ff_acelp_high_pass_filter( tmp += (hpf_f[1]* -7667LL)>>13; tmp += 7699 * (in[i] - 2*in[i-1] + in[i-2]); + /* With "+0x800" rounding, clipping is needed + for ALGTHM and SPEECH tests. */ out[i] = av_clip_int16((tmp + 0x800) >> 12); hpf_f[1] = hpf_f[0]; |