Commit Graph

132 Commits

Author SHA1 Message Date
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
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