Commit Graph

42 Commits

Author SHA1 Message Date
Diego Biurrun ca74c0a180 cosmetics: Fix two common typos: wont --> will not, lets --> let us.
Originally committed as revision 14372 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-24 17:09:28 +00:00
Diego Biurrun d952638699 typo: occured --> occurred
Originally committed as revision 12549 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-03-22 01:06:57 +00:00
Aurelien Jacobs aee481cebe use av_clip_int16() where it makes sense
Originally committed as revision 10078 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-08-11 22:48:55 +00:00
Diego Biurrun e5a389a1b7 license header consistency cosmetics
Originally committed as revision 9484 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-07-05 10:40:25 +00:00
Diego Biurrun 90b5b51eab misc typo fixes
Originally committed as revision 9291 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-06-12 18:50:50 +00:00
Diego Biurrun 2029f312e8 Remove redundant #inclusion of common.h, avcodec.h already #includes it.
Originally committed as revision 8967 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-05-10 09:00:44 +00:00
Diego Biurrun 0339fab8fc Remove unused variable.
Originally committed as revision 8681 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-04-08 13:02:25 +00:00
Michael Niedermayer 7e068841cb replace long double in the audiophile kiddy mode with doubles, its faster (and more portable) and the audiophile placebo 120db stopband attenuation isnt affected
Originally committed as revision 8482 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-03-22 11:23:38 +00:00
Michael Niedermayer d6fead9089 change high precision mode to 30 bits again after making the code less overflow sensitive
Originally committed as revision 8481 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-03-22 11:13:13 +00:00
Michael Niedermayer 303bd95cd2 optimize linear filter coeff interpolation code, this also makes the code less prone to overflows
Originally committed as revision 8480 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-03-22 11:10:30 +00:00
Michael Niedermayer 447caf7941 revert r8469 (increase bits for non default highprecision mode)
it causes overflows with linear interpolated filters coefficients

Originally committed as revision 8476 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-03-22 03:18:34 +00:00
Michael Niedermayer 55fc0eb174 AUDIOPHILE_KIDDY_MODE
Originally committed as revision 8475 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-03-22 03:16:02 +00:00
Michael Niedermayer 50df67d3b5 optimize bessel function instead of trusting gcc to do trivial optimizations (as gcc doesnt ...)
Originally committed as revision 8474 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-03-22 00:52:49 +00:00
Michael Niedermayer 14f887efc6 select more sensible default windows (= attenuation beyond the dynamic range of your input is silly if it negatively affects other parameters)
Originally committed as revision 8473 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-03-22 00:16:41 +00:00
Michael Niedermayer 20cf58c32b make kaiser windows with other beta than 16 available
Originally committed as revision 8472 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-03-21 23:44:49 +00:00
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