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76 Commits

Author SHA1 Message Date
Michael Niedermayer
bea669e57c interlaced mpeg4 b frame decoding 
Originally committed as revision 936 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-09-13 09:45:32 +00:00
Michael Niedermayer
66370d3fca statistics for forw & back p-MBs instead of just one counter for both 
Originally committed as revision 925 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-09-12 12:26:09 +00:00
Michael Niedermayer
6b460aa387 reducing sizeof MpegEncContext to avoid stack overflow on crap M$ windo$ 
Originally committed as revision 914 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-09-11 07:26:43 +00:00
Michael Niedermayer
ad324c9351 dct cleanup 
more accurate mmx dct (dont discard bits for fun)
fixing mmx quantizer bug for qscale%2==1 (bias was slightly wrong)

Originally committed as revision 895 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-09-01 16:52:33 +00:00
Martin Olschewski
c7e079314b sun solaris compilation bugfix, patch by (Martin Olschewski <olschewski at zpr dot uni-koeln dot de>) 
Originally committed as revision 882 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-08-30 18:17:20 +00:00
Michael Niedermayer
28db7fce02 slow but accurate integer dct from IJG (should be ok with the LGPL as the old DCT is the fast integer DCT from IJG) 
per context DCT selection

Originally committed as revision 878 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-08-29 23:55:32 +00:00
Alex Beregszaszi
e769f0535e added aspected_width/height for EXTENDED_PAR 
Originally committed as revision 869 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-08-26 20:45:01 +00:00
Michael Niedermayer
3aa102be84 new ratecontrol code 
Originally committed as revision 862 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-08-25 21:19:50 +00:00
Michael Niedermayer
1fb4890b51 better scene change detection 
Originally committed as revision 858 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-08-22 19:41:06 +00:00
Michael Niedermayer
87f8cab45b mpeg4 mpeg quantizer encoding 
Originally committed as revision 844 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-08-06 23:51:15 +00:00
Michael Niedermayer
508abacadb 4mv + bframe decoding bugfix 
Originally committed as revision 843 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-08-05 21:36:14 +00:00
Michael Niedermayer
d930ef19ea fixing mpeg4 mpeg quantizers 
Originally committed as revision 836 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-08-02 20:27:46 +00:00
Michael Niedermayer
b5a093b3a9 different edge positions fixed with edge emu / dr1 
Originally committed as revision 814 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-07-25 20:22:36 +00:00
Michael Niedermayer
0fd90455ec uvlinesize 
export has_b_frames
mb_skip with more than 2 ip buffers

Originally committed as revision 762 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-07-15 14:15:10 +00:00
Michael Niedermayer
93a21abde5 direct rendering method 1 support 
Originally committed as revision 759 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-07-14 18:37:35 +00:00
Michael Niedermayer
45a82edbdd rl vlc decoding optimizations 
Originally committed as revision 748 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-07-13 14:55:12 +00:00
Marko Kreen
adc09b2eab adding ff prefix to avoid global name conficts with xvid (patch by Marko Kreen <marko at l-t.ee>) 
Originally committed as revision 739 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-07-10 21:01:45 +00:00
Michael Niedermayer
de0f2f4cca wmv1 slice_height != mb_height support 
encoding of slice_height != mb_height
1bit shorter wmv1 headers if bit_rate<50 !? ROTFL M$ is even more stupid than i thought
using dc of non intra blocks for dc prediction of wmv1 if bitrate < 129 && res < 320x240

Originally committed as revision 723 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-07-07 08:34:46 +00:00
Falk Hüffner
e0580f8c68 Update and activate dct_unquantize_h263_mvi. Thanks to Måns Rullgård 
for some improvements.

Originally committed as revision 714 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-07-03 03:01:06 +00:00
Michael Niedermayer
0151a6f546 wmv1 support 
Originally committed as revision 697 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-06-18 00:50:20 +00:00
Fabrice Bellard
c3aea5c424 added missing externs (we were lucky that commons are used) 
Originally committed as revision 659 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-06-04 12:56:04 +00:00
Michael Niedermayer
7f2fe444a3 single coefficient elimination 
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
 2002-06-02 12:20:39 +00:00
Zdenek Kabelac
cd4af68ad5 * started to cleanup name clashes for onetime compilation 
Originally committed as revision 617 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-05-27 16:42:14 +00:00
Fabrice Bellard
ff4ec49e64 license/copyright change 
Originally committed as revision 599 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-05-25 22:45:33 +00:00
Michael Niedermayer
92ba5ffbb5 workaround dc_scale bug in old ffmpeg msmpeg4v3 encoder (set workaround_bugs=1 for this) 
Originally committed as revision 561 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-05-21 23:13:57 +00:00
Juanjo
9cd3766f6e - pict_type exported to AVCodecContext 
- 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
 2002-05-11 23:42:16 +00:00
Alex Beregszaszi
a69b930cd3 clamp intra matrix to 8bit for mjpeg (workaround for qscale>=25) 
Originally committed as revision 451 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-05-07 17:55:02 +00:00
Michael Niedermayer
7aaf3b98fc there are divx5? encoded files without a userdata section but with b-frames :( 
Originally committed as revision 446 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-05-06 13:15:05 +00:00
Michael Niedermayer
bb71e31757 fixing msmpeg4v3 dc-scale for quantizers 24-31 
Originally committed as revision 427 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-04-30 01:29:29 +00:00
Michael Niedermayer
2417652e9f export mbskip_table for direct rendering 
add hurry_up support

Originally committed as revision 424 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-04-27 13:12:57 +00:00
Michael Niedermayer
d7e9533aa0 fixed msmpeg4 infinite loop if buggy stream 
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
 2002-04-27 12:30:26 +00:00
Michael Niedermayer
1c2a8c7f14 avcodec_flush_buffers() 
Originally committed as revision 420 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-04-24 01:24:06 +00:00
Michael Niedermayer
1ff662cc2c export delay info 
fixed low_delay & vo_type on mpeg4 header writer & parser

Originally committed as revision 415 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-04-22 19:04:28 +00:00
Michael Niedermayer
eec1c6b94c divx 5.01 support 
Originally committed as revision 412 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-04-22 12:45:22 +00:00
Michael Niedermayer
8b4c7dbc55 fixed ratecontrol & b-frames 
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
 2002-04-21 21:18:17 +00:00
Michael Niedermayer
91029be790 much better ME for b frames (a bit slow though) 
fixed MC rounding for b frames
fixed hq mode with b-frames

Originally committed as revision 406 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-04-19 03:25:20 +00:00
Michael Niedermayer
9dbf1dddbd mpeg2/mpeg4 dequantizer support (c & mmx) 
mpeg1 dequantizer optimizations

Originally committed as revision 404 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-04-17 16:30:31 +00:00
Michael Niedermayer
9dbcbd92e8 fixed mpeg4 time stuff on encoding 
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
 2002-04-17 04:32:12 +00:00
Juanjo
e4986da9ce - ME setting moved to AVCodecContext/MpegEncContext, no longer a global. 
- EPZS ME algo used by default.
- HQ flag activated for ffmpeg.
- Cosmetics ...

Originally committed as revision 398 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-04-14 18:57:51 +00:00
Michael Niedermayer
3bf43d42ed mpeg4 mpeg quantizer support 
Originally committed as revision 381 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-04-07 02:03:32 +00:00
Michael Niedermayer
84afee348f msmpeg4v2 decoding (no encoding yet) 
Originally committed as revision 376 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-04-05 04:09:04 +00:00
Michael Niedermayer
4d69fbc99e force frame type for 2-pass encoding 
Originally committed as revision 365 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-03-28 22:50:22 +00:00
Michael Niedermayer
ba6802debf 4MV motion estimation (not finished yet) 
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
 2002-03-27 21:25:22 +00:00
Michael Niedermayer
490922441b resync marker support, needed for some mp4 files 
Originally committed as revision 358 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-03-24 21:25:04 +00:00
Michael Niedermayer
174489bdcc 10l (motion_val was uninitilized) 
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
 2002-03-24 04:16:51 +00:00
Michael Niedermayer
098eefe183 statistics for 2-pass encoding 
Originally committed as revision 354 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-03-23 17:43:30 +00:00
Michael Niedermayer
11ce88346b mpeg4 aspect_ratio_info in AVCodecContext (requested by alex) 
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
 2002-03-22 23:22:08 +00:00
Michael Niedermayer
45870f5718 new motion estimation (epzs) not complete yet but allready pretty good :) 
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
 2002-03-22 02:21:17 +00:00
Michael Niedermayer
9cdd6a24ad hopefully better bitrate controll 
Originally committed as revision 334 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-03-17 16:31:38 +00:00
Michael Niedermayer
4278e7a6f5 optimization 
Originally committed as revision 332 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-03-15 14:57:17 +00:00