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authorVladimir Voroshilov <voroshil@gmail.com>2008-05-11 10:07:11 +0000
committerVladimir Voroshilov <voroshil@gmail.com>2008-05-11 10:07:11 +0000
commit542c064d1bae296fc55c3058f3eda72df7879d4d (patch)
tree71191e000ab7f022abb5d55e78e9bae4efddc883 /libavcodec/acelp_filters.c
parent7c96587c17bd35b70b750f0356996528a3cebe62 (diff)
downloadffmpeg-streaming-542c064d1bae296fc55c3058f3eda72df7879d4d.zip
ffmpeg-streaming-542c064d1bae296fc55c3058f3eda72df7879d4d.tar.gz
Update comment to version, negotiated with Diego, and
fix missing period (not latest revision of patch was wrongly committed). Originally committed as revision 13113 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/acelp_filters.c')
-rw-r--r--libavcodec/acelp_filters.c13
1 files changed, 6 insertions, 7 deletions
diff --git a/libavcodec/acelp_filters.c b/libavcodec/acelp_filters.c
index b98c6f7..7e33a67 100644
--- a/libavcodec/acelp_filters.c
+++ b/libavcodec/acelp_filters.c
@@ -37,13 +37,12 @@ void ff_acelp_convolve_circ(
memset(fc_out, 0, subframe_size * sizeof(int16_t));
- /* Since there are few pulses over entire subframe (i.e. almost all
- fc_in[i] are zero, in case of G.729D the buffer contains two non-zero
- samples before the call to ff_acelp_enhance_harmonics, and (due to
- pitch_delay bounded to [20; 143]) a maximum four non-zero samples
- for a total of 40 after the call to it), it is faster to swap two loops
- and process non-zero samples only. This will reduce the number of
- multiplications from 40*40 to 4*40 for G.729D */
+ /* Since there are few pulses over an entire subframe (i.e. almost
+ all fc_in[i] are zero) it is faster to swap two loops and process
+ non-zero samples only. In the case of G.729D the buffer contains
+ two non-zero samples before the call to ff_acelp_enhance_harmonics
+ and, due to pitch_delay being bounded by [20; 143], a maximum
+ of four non-zero samples for a total of 40 after the call. */
for(i=0; i<subframe_size; i++)
{
if(fc_in[i])
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