FFmpeg

Commit Graph

Author	SHA1	Message	Date
Michael Niedermayer	3c1adccd1c	50% faster decode_subband() Originally committed as revision 3418 to svn://svn.ffmpeg.org/ffmpeg/trunk	21 years ago
Michael Niedermayer	155ec6edf8	quad tree based motion compensation (currently only 16x16 & 8x8 OBMC blocks, but can be extended to other block sizes easily) different intra block coding (previous was just an ugly hack) 1.8% bitrate reduction -0.01PSNR (foreman@352x288 qscale=8) 1.5% bitrate reduction +0.05PSNR (foreman@352x288 qscale=1) Originally committed as revision 3416 to svn://svn.ffmpeg.org/ffmpeg/trunk	21 years ago
Michael Niedermayer	64886072f5	edge bugfix 1-1.3% lower bitrate and +0.01 PSNR (foremen@352x288 qscale=1,8) Originally committed as revision 3414 to svn://svn.ffmpeg.org/ffmpeg/trunk	21 years ago
Michael Niedermayer	46c281e8c1	cleanup Originally committed as revision 3377 to svn://svn.ffmpeg.org/ffmpeg/trunk	21 years ago
Michael Niedermayer	93fbdb5ac5	lossless support Originally committed as revision 3374 to svn://svn.ffmpeg.org/ffmpeg/trunk	21 years ago
Michael Niedermayer	3bb9f096d4	cleanup Originally committed as revision 3373 to svn://svn.ffmpeg.org/ffmpeg/trunk	21 years ago
Michael Niedermayer	0635cbfc32	improved magnitude coding, 0.2% lower bitrate (foreman@352x288 qscale 1 and 8) Originally committed as revision 3372 to svn://svn.ffmpeg.org/ffmpeg/trunk	21 years ago
Michael Niedermayer	bc68bfdde0	cleanup Originally committed as revision 3367 to svn://svn.ffmpeg.org/ffmpeg/trunk	21 years ago
Michael Niedermayer	4f4e963383	various subband encoders (all either worse or complicated so they are commented out) different 0-context encoding, 1.2% lower bitrate (foreman@352x288 qscale=8) no significant change at qscale=1 Originally committed as revision 3366 to svn://svn.ffmpeg.org/ffmpeg/trunk	21 years ago
Michael Niedermayer	620ab797f0	1/0 fix Originally committed as revision 3357 to svn://svn.ffmpeg.org/ffmpeg/trunk	21 years ago
Michael Niedermayer	2ff9ff5bdf	dont segfault without -strict -1 Originally committed as revision 3356 to svn://svn.ffmpeg.org/ffmpeg/trunk	21 years ago
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	21 years ago
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	21 years ago
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	21 years ago
Michael Niedermayer	e071139a96	log2() & bsd Originally committed as revision 3350 to svn://svn.ffmpeg.org/ffmpeg/trunk	21 years ago
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	21 years ago
Michael Niedermayer	de890c9bd1	typo Originally committed as revision 3342 to svn://svn.ffmpeg.org/ffmpeg/trunk	21 years ago
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	21 years ago

1 2 3

118 Commits (f58f4ce19d37cd754ffc577906b619a083b03191)