Michael Niedermayer
a2df5a50ae
clear blocks after each idct instead of per picture
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dont store the all zero coefficients of skiped blocks
Originally committed as revision 4253 to svn://svn.ffmpeg.org/ffmpeg/trunk
20 years ago
Michael Niedermayer
220a6f401d
some benchmarking code
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Originally committed as revision 4250 to svn://svn.ffmpeg.org/ffmpeg/trunk
20 years ago
Michael Niedermayer
d5e188359e
various 10l fixes for the loop filter
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Originally committed as revision 4249 to svn://svn.ffmpeg.org/ffmpeg/trunk
20 years ago
Michael Niedermayer
7bad42cf59
fix dequant matrix
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Originally committed as revision 4246 to svn://svn.ffmpeg.org/ffmpeg/trunk
20 years ago
Matthieu Castet
ba7ee4a460
fix theora header parsing
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patch by Matthieu Castet <castet dot matthieu at free dot fr>
Originally committed as revision 4238 to svn://svn.ffmpeg.org/ffmpeg/trunk
20 years ago
Måns Rullgård
aac064b5bd
theora decoding using libtheora
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Originally committed as revision 4218 to svn://svn.ffmpeg.org/ffmpeg/trunk
20 years ago
Michael Niedermayer
ee89b2b9e7
04-vp3 fix(by matthieu castet).patch
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Originally committed as revision 3998 to svn://svn.ffmpeg.org/ffmpeg/trunk
20 years ago
Mike Melanson
a54ea19a52
VP3 post-processing loop filter; disabled until the correct final step
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is determined
Originally committed as revision 3996 to svn://svn.ffmpeg.org/ffmpeg/trunk
20 years ago
Michael Niedermayer
edaf11e87a
10l (negative strides)
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Originally committed as revision 3887 to svn://svn.ffmpeg.org/ffmpeg/trunk
20 years ago
Michael Niedermayer
0ecca7a49f
various security fixes and precautionary checks
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Originally committed as revision 3822 to svn://svn.ffmpeg.org/ffmpeg/trunk
20 years ago
Burkhard Plaum
073c2593c9
Memory leak fix patch by (Burkhard Plaum <plaum >at< ipf.uni-stuttgart )dot( de>)
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Originally committed as revision 3717 to svn://svn.ffmpeg.org/ffmpeg/trunk
20 years ago
Michael Niedermayer
8a515d2d9c
get_bits(32) fix
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Originally committed as revision 3393 to svn://svn.ffmpeg.org/ffmpeg/trunk
21 years ago
Michael Niedermayer
4df8ca9df2
warning fixes by (Michael Roitzsch <mroi at users dot sourceforge dot net>)
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Originally committed as revision 3156 to svn://svn.ffmpeg.org/ffmpeg/trunk
21 years ago
Michael Niedermayer
53db1cae1c
data_size = 0 cleanup
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Originally committed as revision 3146 to svn://svn.ffmpeg.org/ffmpeg/trunk
21 years ago
Mike Melanson
f9ed9d8584
separate out put_signed_pixels_clamped() into its own function and
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implement an optimized MMX version of the function
Originally committed as revision 3082 to svn://svn.ffmpeg.org/ffmpeg/trunk
21 years ago
Mike Melanson
116824d0aa
reorganize and simplify the VP3 IDCT stuff
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Originally committed as revision 3071 to svn://svn.ffmpeg.org/ffmpeg/trunk
21 years ago
Mike Melanson
38acbc3cb9
hook up support for SSE2-optimized VP3 IDCT
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Originally committed as revision 3064 to svn://svn.ffmpeg.org/ffmpeg/trunk
21 years ago
Mike Melanson
67335dbce3
cut over to using new VP3 DSP functions and remove the old ones; bring
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certain source code identifiers in line with official VP3 spec (well,
*my* VP3 spec, anyway)
Originally committed as revision 2856 to svn://svn.ffmpeg.org/ffmpeg/trunk
21 years ago
Michael Niedermayer
c0a0170c16
fix motion compensation with (x+1/2,y+1/2) MVs
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Originally committed as revision 2849 to svn://svn.ffmpeg.org/ffmpeg/trunk
21 years ago
Alex Beregszaszi
f8830383a9
FF_DEBUG_PICT_INFO and CODEC_FLAG_GRAY support
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Originally committed as revision 2577 to svn://svn.ffmpeg.org/ffmpeg/trunk
21 years ago
Alex Beregszaszi
3c3f113ec1
more correct header parsing
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Originally committed as revision 2571 to svn://svn.ffmpeg.org/ffmpeg/trunk
21 years ago
Alex Beregszaszi
105c3d2521
theora alpha3 support (with maintaining backward compatibility, maybe we should remove all backward compatibility codes after final theora release?)
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Originally committed as revision 2527 to svn://svn.ffmpeg.org/ffmpeg/trunk
21 years ago
Alex Beregszaszi
9a7ad92531
finally working with old theora bitstream (flipped image), the only sample I have is decoded successfully (theora.ogg)
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Originally committed as revision 2526 to svn://svn.ffmpeg.org/ffmpeg/trunk
21 years ago
Michel Bardiaux
9b87956678
av_log() patch by (Michel Bardiaux <mbardiaux at peaktime dot be>)
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Originally committed as revision 2469 to svn://svn.ffmpeg.org/ffmpeg/trunk
21 years ago
Alex Beregszaszi
91381201f0
theora comments skipping
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Originally committed as revision 2361 to svn://svn.ffmpeg.org/ffmpeg/trunk
21 years ago
Alex Beregszaszi
f44ee2c34b
theora decoding support (only keyframes for now, because by theora the frame isn't flipped so the motion vectors are getting screwed up)
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Originally committed as revision 2359 to svn://svn.ffmpeg.org/ffmpeg/trunk
21 years ago
Roman Shaposhnik
e7015b41e7
* patch for compile problem by "Steven M. Schultz" sms at 2BSD dot COM
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Originally committed as revision 2267 to svn://svn.ffmpeg.org/ffmpeg/trunk
21 years ago
Michael Niedermayer
b928ec649c
fixing chroma MC
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minor cleanup
postprocessing support
Originally committed as revision 2128 to svn://svn.ffmpeg.org/ffmpeg/trunk
22 years ago
Michael Niedermayer
a2f11b3c3a
MC rounding fixed?
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UMV
still not bugfree :(
Originally committed as revision 2127 to svn://svn.ffmpeg.org/ffmpeg/trunk
22 years ago
Michael Niedermayer
8e39d4a744
fix AVFrame.reference (the frames are used for decoding future frames so it should be !=0)
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fix some assert in utils.c (no bug but its saver if the released pointers are NULL)
fix double release_buffer() at the end
Originally committed as revision 2126 to svn://svn.ffmpeg.org/ffmpeg/trunk
22 years ago
Mike Melanson
3d32b429d3
added the official VP3 IDCT (C implementation) as well as a grayscale
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decoding mode
Originally committed as revision 2027 to svn://svn.ffmpeg.org/ffmpeg/trunk
22 years ago
Mike Melanson
642d7e842e
revising and fixing motion vectors, squished block unpacking bug that
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led to memory stomps, added support for funky arbitrary dimensions
Originally committed as revision 1922 to svn://svn.ffmpeg.org/ffmpeg/trunk
22 years ago
Falk Hüffner
4cfbf61bf1
Warning and compatibility fixes.
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Originally committed as revision 1902 to svn://svn.ffmpeg.org/ffmpeg/trunk
22 years ago
Mike Melanson
22493ab9cb
fix subtle logic problem in block unpacker that leads to incorrect token
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decoding which leads to segfaults
Originally committed as revision 1890 to svn://svn.ffmpeg.org/ffmpeg/trunk
22 years ago
Mike Melanson
74c0ac1274
fix image buffer leak on keyframes, add more error condition checks
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Originally committed as revision 1856 to svn://svn.ffmpeg.org/ffmpeg/trunk
22 years ago
Mike Melanson
96a7e73b24
fix motion vector decoding bug and reinstate interframes
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Originally committed as revision 1851 to svn://svn.ffmpeg.org/ffmpeg/trunk
22 years ago
Mike Melanson
463d086bb5
get those permutations straight
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Originally committed as revision 1850 to svn://svn.ffmpeg.org/ffmpeg/trunk
22 years ago
Mike Melanson
892fc83e88
squashed a bunch of subtle array indexing bugs, fixed block mapping
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added more error checking, added (and enabled, for the time being) a
keyframe-only mode
Originally committed as revision 1849 to svn://svn.ffmpeg.org/ffmpeg/trunk
22 years ago
Mike Melanson
0433188259
dump the shady binary search logic (the part that binary searches
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through unsorted data)
Originally committed as revision 1847 to svn://svn.ffmpeg.org/ffmpeg/trunk
22 years ago
Mike Melanson
a466e345e4
correct the custom coding mode alphabet, add some validation on the
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motion vectors (which are not completely correct yet)
Originally committed as revision 1844 to svn://svn.ffmpeg.org/ffmpeg/trunk
22 years ago
Mike Melanson
4e80eb21af
looking better all the time! motion compensation is starting to work
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Originally committed as revision 1841 to svn://svn.ffmpeg.org/ffmpeg/trunk
22 years ago
Mike Melanson
44ae98ddef
fixed buffer allocation logic (hopefully) so that decoder does not crash
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most ffmpeg-enabled apps; added a bunch on motion compensation stuff
which is effectively disabled at the moment while details are worked out
Originally committed as revision 1840 to svn://svn.ffmpeg.org/ffmpeg/trunk
22 years ago
Mike Melanson
61873c4a44
fix decoder so that ffmpeg does not crash, at least not right away
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Originally committed as revision 1838 to svn://svn.ffmpeg.org/ffmpeg/trunk
22 years ago
Mike Melanson
d86053a416
first pass at a new VP3 video decoder
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Originally committed as revision 1831 to svn://svn.ffmpeg.org/ffmpeg/trunk
22 years ago