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Commit Graph

27 Commits

Author SHA1 Message Date
Michael Niedermayer
c252b26d55 make high precision mode accessible at compile time
Originally committed as revision 8470 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-03-21 22:39:00 +00:00
Michael Niedermayer
ca6940f871 increase bits for non default highprecision mode
Originally committed as revision 8469 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-03-21 22:38:07 +00:00
Michael Niedermayer
ae232dd740 code for testing the accuracy of the resampler
Originally committed as revision 8468 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-03-21 22:37:05 +00:00
Michael Niedermayer
66a148a19a remove dithering of filter coefficients, improves precision by 1-2 bits and
improves subjective sound quality on artificial sample (udial.wav resampling
to 32khz)

Originally committed as revision 8467 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-03-21 22:02:52 +00:00
Reimar Döffinger
f66e4f5f9e Add av_ prefix to clip functions
Originally committed as revision 8122 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-02-25 10:27:12 +00:00
Diego Biurrun
c26abfa541 Rename ABS macro to FFABS.
Originally committed as revision 6666 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-11 23:17:58 +00:00
Diego Biurrun
b78e7197a8 Change license headers to say 'FFmpeg' instead of 'this program/this library'
and fix GPL/LGPL version mismatches.

Originally committed as revision 6577 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-07 15:30:46 +00:00
Stefan Huehner
7b49ce2e34 Add const to (mostly) char* and make some functions static, which aren't used
outside their declaring source file and which have no corresponding prototype.
patch by Stefan Huehner stefan^^@^^huehner^^.^^org

Originally committed as revision 5497 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-06-18 11:33:14 +00:00
Diego Biurrun
5509bffa88 Update licensing information: The FSF changed postal address.
Originally committed as revision 4842 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-01-12 22:43:26 +00:00
Diego Biurrun
115329f160 COSMETICS: Remove all trailing whitespace.
Originally committed as revision 4749 to svn://svn.ffmpeg.org/ffmpeg/trunk
2005-12-17 18:14:38 +00:00
Wolfram Gloger
f0ff20a197 minor fixes for invalid audio data patch by (Wolfram Gloger: wmglo, dent med uni-muenchen de)
Originally committed as revision 4524 to svn://svn.ffmpeg.org/ffmpeg/trunk
2005-08-14 16:37:29 +00:00
Kurosu
f41c1fac3c av_malloc vs av_mallocz patch by (Kurosu <kurosu inforezo org>)
Originally committed as revision 3830 to svn://svn.ffmpeg.org/ffmpeg/trunk
2005-01-12 18:25:48 +00:00
Michael Niedermayer
53f0090dcc faster and slightly less accurate nearest neighbor resampler
Originally committed as revision 3789 to svn://svn.ffmpeg.org/ffmpeg/trunk
2004-12-31 17:37:23 +00:00
Michael Niedermayer
6cb5dcb392 special case for filter_length==1
Originally committed as revision 3787 to svn://svn.ffmpeg.org/ffmpeg/trunk
2004-12-31 12:58:46 +00:00
Michael Niedermayer
788d7a8cac av_resample_compensate() doxy
Originally committed as revision 3671 to svn://svn.ffmpeg.org/ffmpeg/trunk
2004-11-12 02:05:26 +00:00
Michael Niedermayer
6e225de2fe user selectble cutoff frequency
Originally committed as revision 3619 to svn://svn.ffmpeg.org/ffmpeg/trunk
2004-10-21 21:07:40 +00:00
Michael Niedermayer
4e255822e5 100l (dont reset the sample position at the block end)
Originally committed as revision 3618 to svn://svn.ffmpeg.org/ffmpeg/trunk
2004-10-21 20:01:32 +00:00
Michael Niedermayer
ed861c6bd2 make most resample filter parameters selectable at runtime
Originally committed as revision 3617 to svn://svn.ffmpeg.org/ffmpeg/trunk
2004-10-21 03:11:34 +00:00
Michael Niedermayer
f25ba8b393 optimization
Originally committed as revision 3616 to svn://svn.ffmpeg.org/ffmpeg/trunk
2004-10-20 19:06:29 +00:00
Michael Niedermayer
51a880208a make filter size, int32/int16 and a few other things selectable at compiletime
Originally committed as revision 3615 to svn://svn.ffmpeg.org/ffmpeg/trunk
2004-10-20 18:02:34 +00:00
Michael Niedermayer
2ac615da82 10l
Originally committed as revision 3614 to svn://svn.ffmpeg.org/ffmpeg/trunk
2004-10-20 12:04:08 +00:00
Michael Niedermayer
80e8528865 dont just resample half of the data sometimes
Originally committed as revision 3535 to svn://svn.ffmpeg.org/ffmpeg/trunk
2004-09-28 21:11:09 +00:00
Michael Niedermayer
bb22e8b175 10l (lrintf(a)+b vs. lrintf(a+b))
Originally committed as revision 3391 to svn://svn.ffmpeg.org/ffmpeg/trunk
2004-08-14 15:18:49 +00:00
Michael Niedermayer
1ac3176044 ugly missing lrintf workaround by ("Steven M. Schultz" <sms at 2bsd dot com>)
Originally committed as revision 3289 to svn://svn.ffmpeg.org/ffmpeg/trunk
2004-07-05 19:19:04 +00:00
Michael Niedermayer
b9d2085ba1 various resampling fixes
Originally committed as revision 3271 to svn://svn.ffmpeg.org/ffmpeg/trunk
2004-06-30 14:15:31 +00:00
Michael Niedermayer
08f7073a6f avoid useless normalization and 10l fix
Originally committed as revision 3229 to svn://svn.ffmpeg.org/ffmpeg/trunk
2004-06-17 16:34:46 +00:00
Michael Niedermayer
aaaf1635c0 polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample filters
Originally committed as revision 3228 to svn://svn.ffmpeg.org/ffmpeg/trunk
2004-06-17 15:43:23 +00:00