7 Commits

Author	SHA1	Message	Date
Michael Niedermayer	da66b6313e	optimize quantizaton (about 3x faster) ... further opt is easily possible but could lead to overflows depening upon coefficient range, so this wont be done yet as it would make the code somewhat less flexible Originally committed as revision 3354 to svn://svn.ffmpeg.org/ffmpeg/trunk	2004-07-27 17:38:53 +00:00
Michael Niedermayer	a8d73e56e6	cleanup ... remove ugly and slow vertical scaning code 0.1% bitrate increase (foreman@352x288 qp=1) 0.3% bitrate increase (foreman@352x288 qp=8) Originally committed as revision 3353 to svn://svn.ffmpeg.org/ffmpeg/trunk	2004-07-27 17:02:31 +00:00
Michael Niedermayer	7848640356	use parent sample to predict significance & magnitude ... 1% bitrate reduction (foreman@352x288 qscale 1 & 8) Originally committed as revision 3352 to svn://svn.ffmpeg.org/ffmpeg/trunk	2004-07-27 13:40:16 +00:00
Michael Niedermayer	e071139a96	log2() & bsd ... Originally committed as revision 3350 to svn://svn.ffmpeg.org/ffmpeg/trunk	2004-07-27 09:44:57 +00:00
Michael Niedermayer	6b2f664691	better context model (0.2-1% lower bitrate) ... a tiny bit cleanup Originally committed as revision 3348 to svn://svn.ffmpeg.org/ffmpeg/trunk	2004-07-27 01:30:44 +00:00
Michael Niedermayer	de890c9bd1	typo ... Originally committed as revision 3342 to svn://svn.ffmpeg.org/ffmpeg/trunk	2004-07-26 13:31:48 +00:00
Michael Niedermayer	791e7b83c3	my experimental wavelet codec ... note, this is far from finished, dont expect todays encodings to be decodeable with cvs tomorrow ... Originally committed as revision 3341 to svn://svn.ffmpeg.org/ffmpeg/trunk	2004-07-25 23:36:44 +00:00