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930344d8
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体验新版 GitCode,发现更多精彩内容 >>
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930344d8
编写于
2月 22, 2007
作者:
P
Panagiotis Issaris
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差异文件
Fix spelling.
Originally committed as revision 8077 to
svn://svn.ffmpeg.org/ffmpeg/trunk
上级
f2d64c19
变更
1
隐藏空白更改
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Showing
1 changed file
with
6 addition
and
6 deletion
+6
-6
libavcodec/amr.c
libavcodec/amr.c
+6
-6
未找到文件。
libavcodec/amr.c
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930344d8
...
...
@@ -20,22 +20,22 @@
*/
/*
This code implements amr-nb and amr-wb audio encoder/decoder through external reference
code from www.3gpp.org. The licen
c
e of the code from 3gpp is unclear so you
code from www.3gpp.org. The licen
s
e of the code from 3gpp is unclear so you
have to download the code separately. Two versions exists: One fixed-point
and one with floats. For some reason the float-encoder is significant faster
atleast on a P4 1.5GHz (0.9s instead of 9.9s on a 30s audio clip at MR102).
Both float and fixed point
is
supported for amr-nb, but only float for
at
least on a P4 1.5GHz (0.9s instead of 9.9s on a 30s audio clip at MR102).
Both float and fixed point
are
supported for amr-nb, but only float for
amr-wb.
--AMR-NB--
The fixed-point (TS26.073) can be downloaded from:
http://www.3gpp.org/ftp/Specs/archive/26_series/26.073/26073-510.zip
Extract the soure into ffmpeg/libavcodec/amr
Extract the sour
c
e into ffmpeg/libavcodec/amr
To use the fixed version run "./configure" with "--enable-amr_nb-fixed"
The float version (default) can be downloaded from:
http://www.3gpp.org/ftp/Specs/archive/26_series/26.104/26104-510.zip
Extract the soure into ffmpeg/libavcodec/amr_float
Extract the sour
c
e into ffmpeg/libavcodec/amr_float
The specification for amr-nb can be found in TS 26.071
(http://www.3gpp.org/ftp/Specs/html-info/26071.htm) and some other
...
...
@@ -50,7 +50,7 @@
The specification for amr-wb can be downloaded from:
http://www.3gpp.org/ftp/Specs/archive/26_series/26.171/26171-500.zip
If someone want to use the fixed point version it can be downloaded
If someone want
s
to use the fixed point version it can be downloaded
from: http://www.3gpp.org/ftp/Specs/archive/26_series/26.173/26173-571.zip
*/
...
...
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