diff options
Diffstat (limited to 'apps/codecs/libwmapro/README.rockbox')
-rw-r--r-- | apps/codecs/libwmapro/README.rockbox | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/apps/codecs/libwmapro/README.rockbox b/apps/codecs/libwmapro/README.rockbox index 09c54b48c6..9bd737a432 100644 --- a/apps/codecs/libwmapro/README.rockbox +++ b/apps/codecs/libwmapro/README.rockbox | |||
@@ -14,8 +14,18 @@ IMPORT DETAILS | |||
14 | 14 | ||
15 | Based on ffmpeg svn r22886 dated 15 April 2010. | 15 | Based on ffmpeg svn r22886 dated 15 April 2010. |
16 | 16 | ||
17 | Currently, the files contain minimal changes from their original state in order | 17 | The code is slowly being modified to convert it from floating point maths to |
18 | to be able to compile cleanly. | 18 | fixed point. |
19 | |||
20 | As of 6 July 2010, the following steps are all working properly in fixed point: | ||
21 | - Inverse quantization and rescaling | ||
22 | - IMDCT | ||
23 | - Windowing | ||
24 | |||
25 | Results of comparing output wav files from the partially fixed point decoder to | ||
26 | the output wav files of ffmpeg decoder are : | ||
27 | - average relative error = 0.016% | ||
28 | - maximum relative error = 0.3% | ||
19 | 29 | ||
20 | COMPILING | 30 | COMPILING |
21 | 31 | ||