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130 Commits

Author SHA1 Message Date
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
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
d697b89bab segfault fix 
Originally committed as revision 418 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-04-22 21:02:18 +00:00