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135 Commits

Author SHA1 Message Date
Michael Niedermayer
b318477992 put/avg_pixels16 
fixing 2 small qpel bugs

Originally committed as revision 915 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-09-11 12:39:53 +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
Michael Niedermayer
fd7db0fddf mpeg4 interlaced decoding support (not completly implemented/tested due to lack of samples) 
Originally committed as revision 870 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-08-27 16:28:19 +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
7806197db2 error concealment needs the mbintra_table so it should allways be allocated 
Originally committed as revision 861 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-08-24 13:24:43 +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
c9178d868a same dc skip behavior for chroma & luma elimination, its confusing otherwise imho 
Originally committed as revision 854 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-08-18 00:42:58 +00:00
Michael Niedermayer
f5866a0340 skip blocks with small chroma dc too (if the user wants it) needed to avoid IDCT(input coeffs !=0) == 0 problems which cause catastrophic error accumulation at qp=1 
Originally committed as revision 853 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-08-17 20:10:27 +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
b7adc711fa last_picture should be never == NULL (it was with dr1) this might fix a segfault with error concealment 
Originally committed as revision 837 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-08-04 16:05:05 +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
a10678da8a max_b_frame=4 bugfix 
Originally committed as revision 833 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-08-01 11:01:07 +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
3e6a20a0cd minor optimizations 
fixing numbers.avi
 fixing ac prediction between MBs with different QP

Originally committed as revision 782 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-07-21 01:34:05 +00:00
Michael Niedermayer
79c0c7858d use edge emu for encoding of width or height %16!=0 files 
Originally committed as revision 776 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-07-17 23:32:31 +00:00
Michael Niedermayer
9022797ba2 fixing NULL reference frame with dr1 
Originally committed as revision 775 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-07-17 17:50:42 +00:00
Michael Niedermayer
9be42dba97 larger edge emu buffer (might have been too small) 
Originally committed as revision 773 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-07-17 13:25:01 +00:00
Michael Niedermayer
5499377432 fixing gmc with emu edges 
Originally committed as revision 772 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-07-17 12:42:50 +00:00
Michael Niedermayer
4c9ede2e4b interlaced mpeg2 fix ... replacing linesize>>1 by uvlinesize brainlessly wasnt a good idea 
Originally committed as revision 771 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-07-17 11:04:26 +00:00
Michael Niedermayer
fe072fb4ee exporting mbskip_table after it has been allocated 
Originally committed as revision 768 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-07-16 11:45:14 +00:00
Michael Niedermayer
760acb18a3 direct rendering for SVQ1 
MpegEncContext->opaque MUST NOT be used by the codec, its for the parent program
 using standart values for pict_type
 using (uv)linesize
 handling dropable p-frames like b-frames

Originally committed as revision 763 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-07-15 21:19:37 +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
225f9c44cf 4mv & qpel edge emu 
Originally committed as revision 760 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-07-15 00:25:53 +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
c03a717274 rl decoding optimization 
Originally committed as revision 755 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-07-13 17:30:43 +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
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
a406617f2a init dc_scale tables to defaults (fixes mjpeg sig11) 
Originally committed as revision 706 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-06-25 10:15:42 +00:00
Michael Niedermayer
f5957f3fe2 wmv1 support 
dc scale optimisation
better ac table selection for msmpeg4

Originally committed as revision 696 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-06-18 00:49:00 +00:00
Michael Niedermayer
6282185e82 grayscale only encoding 
Originally committed as revision 679 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-06-09 14:04:36 +00:00
Michael Niedermayer
b50eef3ae0 grayscale only decoding 
Originally committed as revision 677 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-06-09 13:35:56 +00:00
Michael Niedermayer
0f440e0214 optimizing MPV_decode_mb 
Originally committed as revision 673 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-06-05 23:43:56 +00:00
Fabrice Bellard
ad31c904b2 use ff_idct_put/add() 
Originally committed as revision 670 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-06-05 18:36:03 +00:00
Fabrice Bellard
03c94ede93 avoid name clash with libjpeg - added missing externs 
Originally committed as revision 660 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-06-04 12:58:40 +00:00
Nick Kurshev
8696b63645 use qstride instead of fixed constants 
Originally committed as revision 653 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-06-03 07:58:35 +00:00
Nick Kurshev
ae72cda62b new field for communicating with external postprocessing 
Originally committed as revision 652 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-06-03 07:01:42 +00:00
Michael Niedermayer
333547be44 typo (found by Bohdan Horst <nexus at hoth.amu.edu.pl>) 
Originally committed as revision 648 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-06-02 15:31:30 +00:00
Michael Niedermayer
2a052693dd divx5 bug workaround 
Originally committed as revision 647 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-06-02 13:31:48 +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
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
Fabrice Bellard
6000abfa89 removed useless header includes - use av memory functions 
Originally committed as revision 522 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-05-18 23:03:29 +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
Juanjo
ef5b1b5a7e - Advanced Intra Coding (AIC) support for H.263+ encoder, just DC by now. 
- Bug fix H.263+ AIC tables.
- Warning fixes.

Originally committed as revision 431 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-05-02 04:39:45 +00:00