Michael Niedermayer
ee6f786146
fix b-frame MB skip
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Originally committed as revision 410 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
91029be790
much better ME for b frames (a bit slow though)
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fixed MC rounding for b frames
fixed hq mode with b-frames
Originally committed as revision 406 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
9dbf1dddbd
mpeg2/mpeg4 dequantizer support (c & mmx)
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mpeg1 dequantizer optimizations
Originally committed as revision 404 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
9dbcbd92e8
fixed mpeg4 time stuff on encoding
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mpeg4 b-frame enoding support
removed old, out-commented ratecontrol
reuse motion compensation code between encoding & decoding
prefix newly added global functions with ff_ to reduce namespace polution
b-frame ME (unfinished, but working)
added some comments to mpegvideo.h
do MC on encoding only once if possible
bugs? ;)
Originally committed as revision 403 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Juanjo
4b1f4f236b
- Versions defined for libav/libavcodec.
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- Bug fix in wav muxer for MP2 audio.
- ffmpeg/libavcodec version in MPEG-4 user data.
Originally committed as revision 400 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
3bf43d42ed
mpeg4 mpeg quantizer support
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Originally committed as revision 381 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
14ae07d86c
divx5-gmc bug workaround
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Originally committed as revision 369 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
cf8039b2cf
mpeg4 4MV encoding
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Originally committed as revision 363 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
ba6802debf
4MV motion estimation (not finished yet)
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SAD functions rewritten (8x8 support & MMX2 optimizations)
HQ inter/intra decission
msmpeg4 encoding bugfix (MV where too long)
Originally committed as revision 362 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
2a164b253c
optimizing mpeg4_encode_dc
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Originally committed as revision 361 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
9c15096e3f
fcode_tables where too small, found by Klaas-Pieter Vlieg <vlieg@eurescom.de>
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Originally committed as revision 360 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
d633c2c096
b-frame decoding bugfix
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Originally committed as revision 359 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
490922441b
resync marker support, needed for some mp4 files
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Originally committed as revision 358 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
9d2a035529
fixing motion estimation with h263p hopefully
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Originally committed as revision 355 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
098eefe183
statistics for 2-pass encoding
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Originally committed as revision 354 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
b1563bfef2
dont return -1 if mpeg4 scalability ...
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Originally committed as revision 353 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
72a52b3142
fixing MV range in h263
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Originally committed as revision 351 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
11ce88346b
mpeg4 aspect_ratio_info in AVCodecContext (requested by alex)
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experimental (& faster) motion estimation
squished a dirty uninitialized var bug
mpeg1 fcode>1 support
Originally committed as revision 349 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
c7d5049c98
oops
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Originally committed as revision 345 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
45870f5718
new motion estimation (epzs) not complete yet but allready pretty good :)
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unlimited mv search range
minor bugfix in the mpeg4 header parser
reset picture in gop counter if scene change is detected
Originally committed as revision 344 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
488fa19a86
use the width & height from the mpeg4 header ... in the case that its complete
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Originally committed as revision 340 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
2e3be0fba9
fixing 4MV
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Originally committed as revision 338 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
4278e7a6f5
optimization
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Originally committed as revision 332 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
d6231b9e70
use ac prediction in mpeg4 encoding (5% smaller intra-blocks/keyframes)
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some minor optimizations
last non zero index cant be 64 bugfix
Originally committed as revision 331 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
49c9325f56
support decoding (with mplayer) of 3 .mp4 files from mphq
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optimize h263_pred_motion()
Originally committed as revision 330 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
10cd581572
generate even more complete mpeg4 headers
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Originally committed as revision 329 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
6f91bcd151
mpeg4 b-frames :)
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create slightly more correct headers & add "ffmpeg" user-data section
Originally committed as revision 328 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
44eb495128
divx5-gmc support
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q-pel mc support
neither is totally bugfree yet though :(
Originally committed as revision 320 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
73c8e5144a
gmc bitstream decoding support (the real motion compensation isnt implemnted yet)
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Originally committed as revision 318 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
cc9ba006ec
parsing more of the mpeg4 header & print some "not supported" stuff
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Originally committed as revision 317 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Juanjo
e7774f11ac
- Bug fix on RTYPE (rounding type) not being honoured by H.263+ decoder.
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Originally committed as revision 312 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Juanjo
9e15ad28bd
- Bug fixes in H.263+ Advanced INTRA Coding decoder.
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- H.263+ should be able to decode streams with AIC now :)
Originally committed as revision 311 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Juanjo
d140623fc4
- H.263+ decoder support for Advanded INTRA Coding (buggy)
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Originally committed as revision 310 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Zdenek Kabelac
af8793ae75
* simplified indexing
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Originally committed as revision 306 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
bb6f51aeab
avoid overflow of picturenumber*fps*10000
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bug found by Lennert Buytenhek <buytenh@gnu.org>
Originally committed as revision 302 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
17592475b3
alternative bitstream writer (disabled by default, uncomment #define ALT_BISTREAM_WRITER in common.h if u want to try it)
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Originally committed as revision 295 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Juanjo
81401c1fbc
- Fixes on RTP and GOB headers for H.263.
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- RTP callback system implemented for H.263/H.263+.
- Bug fix on DC coefficients of H.263.
- H.263 decoder now returns PTS on picture number.
Originally committed as revision 292 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Arpi
d962f6fd3a
new IDCT code by Michael Niedermayer (michaelni@gmx.at) - #define SIMPLE_IDCT to enable
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Originally committed as revision 234 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Juanjo
644d98a4f2
- Preliminary RTP friendly mode for H.263.
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- GOB headers for H.263 coding on RTP mode.
- Improved GOB header detection for H.263 decoder.
Originally committed as revision 222 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Juanjo
96815ce9e2
- Added support to Inter4V+Q MBs to H.263 decoder.
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- Advanced Prediction Mode activated for H.263 decoder.
- Bug fixed on H.263+ header parsing for UFEP.
- Now we can decode VIVO v1 streams :)
Originally committed as revision 221 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Juanjo
8547282b6c
- Bug fix on MV prediction for MPEG4 caused by new H.263 GOB code.
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Originally committed as revision 215 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Juanjo
102d39088b
- Fixed a bug on H.263 MV prediction for MB on GOBs limits.
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- Now we can decode H.263v1 streams found on QT without problems.
Originally committed as revision 214 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Juanjo
4949028f85
- Bug fix on inter MCBPC table for inter+q.
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- H.263/H.263+ decoder now knows GOB start codes.
- H.263/H.263+ decoder now returns the size of the stream on the first call.
- Added show_bits() functions to see the buffer without loosing the bits.
- TODO: H.263v1 UMV parsing is buggy.
Originally committed as revision 204 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Juanjo
ce68c16f41
Added Juergen Keil fix on quant_tab[4] type.
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Originally committed as revision 166 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Juanjo
544286b3d3
Moved some H.263+ variables to MpegEncContext to be thread-safe.
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Increase video_buffer on ffmpeg to avoid buffer overrun on big pictures.
Originally committed as revision 114 to svn://svn.ffmpeg.org/ffmpeg/trunk
24 years ago
Juanjo
6dbd39fe70
Added support to Unrestricted Motion Vectors (UMV)
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on H.263+ encoding/decoding. According to Annex D.
Now MV on H.263+ are 32x32 long.
Originally committed as revision 113 to svn://svn.ffmpeg.org/ffmpeg/trunk
24 years ago
Fabrice Bellard
935442b522
log2 to av_log2
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Originally committed as revision 101 to svn://svn.ffmpeg.org/ffmpeg/trunk
24 years ago
Fabrice Bellard
d95ecd058e
better vol header parsing for mpeg4
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Originally committed as revision 83 to svn://svn.ffmpeg.org/ffmpeg/trunk
24 years ago
Arpi
612476ef9b
get_bits() specialization, gives 4\speedup
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Originally committed as revision 32 to svn://svn.ffmpeg.org/ffmpeg/trunk
24 years ago
Fabrice Bellard
3bb4e23a8a
added skip macroblock optimization (big perf win on black regions for example)
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Originally committed as revision 13 to svn://svn.ffmpeg.org/ffmpeg/trunk
24 years ago