Michael Niedermayer
715a97f0c0
merge predict_plane() with DWTELEM->8bit conversation (21% faster)
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Originally committed as revision 3499 to svn://svn.ffmpeg.org/ffmpeg/trunk
20 years ago
Michael Niedermayer
034aff036f
8 -> FRAC_BITS
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Originally committed as revision 3489 to svn://svn.ffmpeg.org/ffmpeg/trunk
20 years ago
D Richard Felker III
aa25a462b6
consistent use of types patch by (D Richard Felker III <dalias at aerifal dot cx>)
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Originally committed as revision 3480 to svn://svn.ffmpeg.org/ffmpeg/trunk
20 years ago
Loren Merritt
7c2425d239
simplify getsymbol patch by (Loren Merritt <lorenm at u dot washington dot edu>)
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Originally committed as revision 3476 to svn://svn.ffmpeg.org/ffmpeg/trunk
20 years ago
Michael Niedermayer
bd368b565b
per picture psnr
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Originally committed as revision 3465 to svn://svn.ffmpeg.org/ffmpeg/trunk
20 years ago
Michael Niedermayer
d92b58073e
100l (forgot to set the 8x8 mc functions, so ME did use the mpeg ones ...)
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Originally committed as revision 3456 to svn://svn.ffmpeg.org/ffmpeg/trunk
20 years ago
Michael Niedermayer
ec69758781
use h264 MC code if possible
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50% faster predict_plane() if mmx2/3dnow is available
0.1% bitrate increase
Originally committed as revision 3455 to svn://svn.ffmpeg.org/ffmpeg/trunk
20 years ago
Michael Niedermayer
3924dac4c8
use pointer arithmetic in mc_block(), 25% faster
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Originally committed as revision 3452 to svn://svn.ffmpeg.org/ffmpeg/trunk
20 years ago
Michael Niedermayer
ff158dc95d
20% faster predict_plane()
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moion vector max/min fix
Originally committed as revision 3434 to svn://svn.ffmpeg.org/ffmpeg/trunk
20 years ago
Michael Niedermayer
19aa028dc5
10l (keyframes and context resets)
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Originally committed as revision 3426 to svn://svn.ffmpeg.org/ffmpeg/trunk
21 years ago
Michael Niedermayer
39c61bbbd3
cleanup
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Originally committed as revision 3425 to svn://svn.ffmpeg.org/ffmpeg/trunk
21 years ago
Michael Niedermayer
fff6d4ea4e
10l
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more benchmarking code
inline
Originally committed as revision 3424 to svn://svn.ffmpeg.org/ffmpeg/trunk
21 years ago
Michael Niedermayer
ea7d9cd4bc
merge decode_subband() and dequantize()
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Originally committed as revision 3422 to svn://svn.ffmpeg.org/ffmpeg/trunk
21 years ago
Michael Niedermayer
ff76515933
11% faster decode_subband()
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Originally committed as revision 3421 to svn://svn.ffmpeg.org/ffmpeg/trunk
21 years ago
Michael Niedermayer
0cea8a037c
5% faster decode_subband()
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a little cleanup
Originally committed as revision 3420 to svn://svn.ffmpeg.org/ffmpeg/trunk
21 years ago
Michael Niedermayer
7b49c30974
46% faster decode_subband()
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Originally committed as revision 3419 to svn://svn.ffmpeg.org/ffmpeg/trunk
21 years ago
Michael Niedermayer
3c1adccd1c
50% faster decode_subband()
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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)
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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
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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
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Originally committed as revision 3377 to svn://svn.ffmpeg.org/ffmpeg/trunk
21 years ago
Michael Niedermayer
93fbdb5ac5
lossless support
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Originally committed as revision 3374 to svn://svn.ffmpeg.org/ffmpeg/trunk
21 years ago
Michael Niedermayer
3bb9f096d4
cleanup
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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)
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Originally committed as revision 3372 to svn://svn.ffmpeg.org/ffmpeg/trunk
21 years ago
Michael Niedermayer
bc68bfdde0
cleanup
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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)
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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
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Originally committed as revision 3357 to svn://svn.ffmpeg.org/ffmpeg/trunk
21 years ago
Michael Niedermayer
2ff9ff5bdf
dont segfault without -strict -1
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Originally committed as revision 3356 to svn://svn.ffmpeg.org/ffmpeg/trunk
21 years ago
Michael Niedermayer
da66b6313e
optimize quantizaton (about 3x faster)
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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
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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
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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
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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)
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a tiny bit cleanup
Originally committed as revision 3348 to svn://svn.ffmpeg.org/ffmpeg/trunk
21 years ago
Michael Niedermayer
de890c9bd1
typo
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Originally committed as revision 3342 to svn://svn.ffmpeg.org/ffmpeg/trunk
21 years ago
Michael Niedermayer
791e7b83c3
my experimental wavelet codec
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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