Michael Niedermayer
7f2fe444a3
single coefficient elimination
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prequantization
more readable malloc & check if NULL
error concealment / error resilience
b_quant_offset (unfinished, should be 0 for now)
data partitioning
Originally committed as revision 642 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Fabrice Bellard
ff4ec49e64
license/copyright change
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Originally committed as revision 599 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Fabrice Bellard
6000abfa89
removed useless header includes - use av memory functions
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Originally committed as revision 522 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Juanjo
9cd3766f6e
- pict_type exported to AVCodecContext
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- Added real_pict_num to AVCodecContext, it represent the number of the
previous encoded frame, usefull when coding with B frames.
- Warning fix in motion_est.c
Originally committed as revision 484 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Alex Beregszaszi
a69b930cd3
clamp intra matrix to 8bit for mjpeg (workaround for qscale>=25)
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Originally committed as revision 451 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
7aaf3b98fc
there are divx5? encoded files without a userdata section but with b-frames :(
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Originally committed as revision 446 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Juanjo
ef5b1b5a7e
- Advanced Intra Coding (AIC) support for H.263+ encoder, just DC by now.
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- Bug fix H.263+ AIC tables.
- Warning fixes.
Originally committed as revision 431 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
bb71e31757
fixing msmpeg4v3 dc-scale for quantizers 24-31
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Originally committed as revision 427 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
2417652e9f
export mbskip_table for direct rendering
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add hurry_up support
Originally committed as revision 424 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
d7e9533aa0
fixed msmpeg4 infinite loop if buggy stream
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rewrote quantizer
fixed bias (+10% compression/quality for h263 like codecs)
qscale=1 support
mpeg1 intra frames looks far less blocky
added codec_id field
Originally committed as revision 423 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
1c2a8c7f14
avcodec_flush_buffers()
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Originally committed as revision 420 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
d697b89bab
segfault fix
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Originally committed as revision 418 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
1ff662cc2c
export delay info
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fixed low_delay & vo_type on mpeg4 header writer & parser
Originally committed as revision 415 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
eec1c6b94c
divx 5.01 support
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Originally committed as revision 412 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
8b4c7dbc55
fixed ratecontrol & b-frames
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2pass ratecontrol
fixed hq with 2pass
inceased build num (a few more vars for the rc stuff)
hopefully no new bugs
Originally committed as revision 408 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
1f0cd30fd9
fixing hq mode with mpeg1 and 2-pass
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Originally committed as revision 405 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
101bea5f22
- ME method compatibility with legacy apps.
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- Please use AVCodecContext's me_method now.
Originally committed as revision 399 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Juanjo
e4986da9ce
- ME setting moved to AVCodecContext/MpegEncContext, no longer a global.
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- EPZS ME algo used by default.
- HQ flag activated for ffmpeg.
- Cosmetics ...
Originally committed as revision 398 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Zdenek Kabelac
bc657ac31d
* using pixtype as enum - by Philip Gladstone
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Originally committed as revision 389 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
e1a9dbffed
wmv1 header parser (unfinished)
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Originally committed as revision 380 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
84afee348f
msmpeg4v2 decoding (no encoding yet)
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Originally committed as revision 376 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
ff3dfbae1a
fixing 1/0
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Originally committed as revision 370 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Arpi
60e575acc8
using Juanjo's way to pass forced type - especially as I_TYPE/P_TYPE defines aren't exported in the public interface, and the flagged method matches the way as qscale forcing work
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Originally committed as revision 366 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
4d69fbc99e
force frame type for 2-pass encoding
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Originally committed as revision 365 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
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
174489bdcc
10l (motion_val was uninitilized)
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20l (first frame of a gop could be a p-frame sometimes)
add hq flag to MpegEncContext
Originally committed as revision 356 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
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
c5b1c10a0e
fixing epzs & mpeg1 (hopefully now really ...)
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Originally committed as revision 348 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
8a29b31054
mpeg1 & epzs fix
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Originally committed as revision 347 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
bd31a7750f
scene change detection
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Originally committed as revision 337 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
c674115939
10l
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Originally committed as revision 336 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
9cdd6a24ad
hopefully better bitrate controll
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Originally committed as revision 334 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
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
1699d37681
divx5 draw_edges bugfix
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Originally committed as revision 322 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
Juanjo
43f1708f8b
- Added PSNR feature to libavcodec and ffmpeg. By now just Y PSNR until I'm
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sure it works ok. Also it's slow, so use it only when you _really_ need to
measure quality.
- Fix libavcodec Makefile to enable profiling.
Originally committed as revision 314 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
2b9ab1d54a
fixing msmpeg4 decoding if fps < 16 (i thought it was a indicator for the ext header, its the fps indeed)
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Originally committed as revision 313 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