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306 Commits

Author SHA1 Message Date
Baptiste Coudurier
1766295516 add codec_tag and codec_stream_tag to MpegEncContext to not alter avctx values 
Originally committed as revision 6930 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-11-07 09:46:57 +00:00
Baptiste Coudurier
4067d81be2 move AVCodecParser prototypes and definitions to parser.h, and move mpegvideo parser to mpeg12.c 
Originally committed as revision 6914 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-11-06 10:43:49 +00:00
Michael Niedermayer
973cbc2a28 lambda* should be unsigned 
Originally committed as revision 6824 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-10-28 16:11:25 +00:00
Dominik Mierzejewski
158256a13a Fixes: 
rv10.c:494: warning: implicit declaration of function ‘ff_mpeg4_init_direct_mv’

Approved by Michael.

Originally committed as revision 6595 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-10-08 21:26:19 +00:00
Dominik Mierzejewski
69261768d3 Fixes: 
parser.c:555: warning: implicit declaration of function ‘ff_cavs_find_frame_end’

Approved by Michael.

Originally committed as revision 6592 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-10-08 21:23:57 +00:00
Dominik Mierzejewski
621d92940e Fixes: 
mpegvideo.h:777: warning: ‘inline’ is not at beginning of declaration
motion_est_template.c:236: warning: ‘inline’ is not at beginning of declaration

Approved by Diego.

Originally committed as revision 6591 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-10-08 21:11:03 +00:00
Diego Biurrun
b78e7197a8 Change license headers to say 'FFmpeg' instead of 'this program/this library' 
and fix GPL/LGPL version mismatches.

Originally committed as revision 6577 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-10-07 15:30:46 +00:00
Michael Niedermayer
075060023d fix buffer underflows by reencoding the current frame with a higher QP 
Originally committed as revision 6565 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-10-05 19:27:18 +00:00
Panagiotis Issaris
0de9926f62 Move the ratecontrol related code from mpegvideo.h to a separate header file. 
Originally committed as revision 6386 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-09-29 19:39:19 +00:00
Panagiotis Issaris
4d7b4613a1 Pull out the ff_eval* from the mpegvideo header, as it doesn't belong there and 
put it in a separate file.

Originally committed as revision 6383 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-09-29 19:33:04 +00:00
Måns Rullgård
b86216de4c dc_val should be signed 
Originally committed as revision 6364 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-09-27 22:13:44 +00:00
Måns Rullgård
191e8ca752 fix some signedness warnings 
Originally committed as revision 6355 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-09-27 19:47:39 +00:00
Panagiotis Issaris
d80f243ae9 Make ratecontrol use ff_eval2(). 
Originally committed as revision 6354 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-09-27 19:46:19 +00:00
Guillaume Poirier
696e1bb36e Compile fix (for GCC<3.3) when encoders are disabled 
Original thread:
Date: Aug 10, 2006 10:45 AM
Subject: [Ffmpeg-devel] [PATCH] fix compilation when Snow ENcoder is disabled

Originally committed as revision 6000 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-08-15 14:59:27 +00:00
Baptiste Coudurier
702497f886 fix mbd bits bug, finally 
Originally committed as revision 5411 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-05-26 15:44:29 +00:00
Baptiste Coudurier
2d974017b0 MPEG-2 4:2:2 encoding support 
Originally committed as revision 5387 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-05-16 15:19:54 +00:00
Michael Niedermayer
7f12a9780e use previous qscale for intra_dc_threshold check 
Originally committed as revision 5329 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-04-28 17:29:07 +00:00
Loren Merritt
841f65f25a 2x faster ff_mpeg4_set_direct_mv 
Originally committed as revision 5264 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-04-03 07:52:24 +00:00
Michael Niedermayer
83378d0de5 various fixes for xvid_rc 
Originally committed as revision 5182 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-03-19 11:49:37 +00:00
Steve L'Homme
68b51e58ce MSVC-compatible __align8/__align16 declaration 
patch by Steve Lhomme, steve .dot. lhomme .at. free .dot. fr

Originally committed as revision 4942 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-02-05 13:35:17 +00:00
Michael Niedermayer
82fcbc145d faster find_startcode() 
Originally committed as revision 4939 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-02-04 20:32:02 +00:00
Michael Niedermayer
07fc2b8278 fixing bframe strategy 2 
bits vs. bytes factor of 8 error
  16 byte offset error
  some other minor things

Originally committed as revision 4902 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-01-27 13:19:13 +00:00
Diego Biurrun
f038fe8b4a warning fixes by Luca Abeni, lucabe72 ##@## email ##.## it 
Originally committed as revision 4898 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-01-25 22:10:13 +00:00
Michael Niedermayer
64b7c5b6f6 xvid ratecontrol support 
Originally committed as revision 4894 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-01-24 21:57:26 +00:00
Diego Biurrun
5509bffa88 Update licensing information: The FSF changed postal address. 
Originally committed as revision 4842 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-01-12 22:43:26 +00:00
Michael Niedermayer
88e51e1fb5 second try of improved lambda/qp guessing for motion estimation RD in first pass 
Originally committed as revision 4785 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-12-29 15:46:23 +00:00
Michael Niedermayer
82b019cefd better f_code guessing in 2nd pass 
Originally committed as revision 4766 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-12-22 22:48:09 +00:00
Diego Biurrun
bb270c0896 COSMETICS: tabs --> spaces, some prettyprinting 
Originally committed as revision 4764 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-12-22 01:10:11 +00:00
Michael Niedermayer
8ed9f9ab32 use correct qp & lambda for ME on the second pass 
Originally committed as revision 4757 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-12-19 13:41:27 +00:00
Diego Biurrun
115329f160 COSMETICS: Remove all trailing whitespace. 
Originally committed as revision 4749 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-12-17 18:14:38 +00:00
Michael Niedermayer
91d44ffc9a fix user data parsing code so it suppors pre1 and cvs 
Originally committed as revision 4471 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-07-24 09:28:24 +00:00
Diego Biurrun
bb628dae44 spelling fixes 
patch by Peter Robinson pbrobinson @ at @ gmail . dot . com and myself

Originally committed as revision 4382 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-06-17 15:02:53 +00:00
Michael Niedermayer
c26ae41db2 adding a few const 
Originally committed as revision 4337 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-06-01 21:19:00 +00:00
Michael Niedermayer
c0df9d75bd switch to native time bases 
Originally committed as revision 4168 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-04-30 21:43:59 +00:00
Mike Melanson
160d679c07 Ministry of English Composition, reporting for duty (and the word is "skipped", not "skiped"; "skiped" would rhyme with "hyped") 
Originally committed as revision 4153 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-04-24 17:21:11 +00:00
Loren Merritt
2f944356bf H.264: decode arbitrary frame orders and allow B-frames as references. 
Originally committed as revision 4003 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-03-04 12:47:38 +00:00
Michael Niedermayer
0ecca7a49f various security fixes and precautionary checks 
Originally committed as revision 3822 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-01-12 00:16:25 +00:00
Michael Niedermayer
caa336b4cc common.c -> bitstream.c (and the single non bitstream func -> utils.c) 
common.h -> common.h/bitstream.h

Originally committed as revision 3777 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2004-12-29 17:50:25 +00:00
Michael Niedermayer
d0271e8a3a rv20 encoding 
Originally committed as revision 3739 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2004-12-07 13:14:37 +00:00
Burkhard Plaum
073c2593c9 Memory leak fix patch by (Burkhard Plaum <plaum >at< ipf.uni-stuttgart )dot( de>) 
Originally committed as revision 3717 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2004-11-27 18:10:06 +00:00
Michael Niedermayer
1c3990dbba H.261 encoder by (Maarten Daniels <maarten dot daniels at luc dot ac dot be>) 
Originally committed as revision 3643 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2004-10-28 10:12:57 +00:00
Michael Niedermayer
0f242af274 type fix 
Originally committed as revision 3637 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2004-10-25 15:27:56 +00:00
Michael Niedermayer
5f6c92d40c h.261 loop filter fix 
closes bug #1033108

Originally committed as revision 3574 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2004-10-08 22:57:39 +00:00
Michael Niedermayer
178fcca848 1/2 resolution decoding 
Originally committed as revision 3507 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2004-09-25 23:18:58 +00:00
Michael Niedermayer
5cbb0e70a0 H.264 max reference pictures fix by (Loren Merritt <lorenm at u dot washington dot edu>) 
Originally committed as revision 3504 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2004-09-25 09:59:36 +00:00
Michael Niedermayer
c32b14bb9c mess cleanup 
Originally committed as revision 3449 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2004-09-10 18:54:02 +00:00
Michael Niedermayer
155ec6edf8 quad tree based motion compensation (currently only 16x16 & 8x8 OBMC blocks, but can be extended to other block sizes easily) 
different intra block coding (previous was just an ugly hack)
1.8% bitrate reduction -0.01PSNR (foreman@352x288 qscale=8)
1.5% bitrate reduction +0.05PSNR (foreman@352x288 qscale=1)

Originally committed as revision 3416 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2004-08-26 20:04:54 +00:00
Ivan Kalvachev
ffdff4d7e8 mpeg2 chroma422/444 support, may be slower, may be faster for other codecs 
Originally committed as revision 3215 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2004-06-11 07:59:12 +00:00
Michael Niedermayer
c6148de232 h261 decoder by (Maarten Daniels <maarten.daniels at student dot luc dot ac dot be>) 
Originally committed as revision 3176 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2004-05-30 20:37:15 +00:00
Michael Niedermayer
4df8ca9df2 warning fixes by (Michael Roitzsch <mroi at users dot sourceforge dot net>) 
Originally committed as revision 3156 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2004-05-25 18:07:25 +00:00
Michael Niedermayer
e96682e6f4 some of the warning fixes by (Michael Roitzsch <mroi at users dot sourceforge dot net>) 
Originally committed as revision 3140 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2004-05-18 17:09:46 +00:00
Michael Niedermayer
5e13a73006 motion estimation for SVQ1 
Originally committed as revision 3126 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2004-05-12 02:03:24 +00:00
Michael Niedermayer
1f202b0d46 moving motion estimation specific variables from MpegEncContext -> MotionEstContext 
Originally committed as revision 3124 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2004-05-11 01:38:46 +00:00
Michael Niedermayer
e4cb187db8 remove duplicated find_frame_end() code 
move codec specific code from parser.c -> <codecname>.c as far as its easily possible

Originally committed as revision 3087 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2004-04-29 14:21:33 +00:00
Michael Niedermayer
f20f8a8b0b support reusing mb types and field select values of the source file, but use motion vectors just as additional predictors 
minor cleanup
segfault fix

Originally committed as revision 3060 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2004-04-25 02:09:47 +00:00
Michael Niedermayer
2750b827b3 motion estimation cleanup 
replace ugly macros by always_inline functions, that way its much more readable and flexible as always_inline can simply be removed while the macros couldnt be
about 0.5 % speedup with default parameters

Originally committed as revision 3037 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2004-04-22 03:31:29 +00:00
Michael Niedermayer
a4d36c1113 passing AVFrame instead of AVPicture around in ffmpeg, that way stuff like motion vectors can be passed from the decoder to the encoder 
moving ref_index from Picture to AVFrame

Originally committed as revision 3028 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2004-04-17 19:41:49 +00:00
Michael Niedermayer
14e2a9404e flv dropable p frame support 
Originally committed as revision 3027 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2004-04-17 13:36:21 +00:00
Michael Niedermayer
137c8468e8 unify table indexing (motion_val,dc_val,ac_val,coded_block changed) 
minor +-1 bugfix

Originally committed as revision 3016 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2004-04-16 01:01:45 +00:00
Michael Niedermayer
3edcacde04 init cleanup 
Originally committed as revision 2899 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2004-03-16 16:11:29 +00:00
Michael Niedermayer
b056e73c80 h263+ custom pcf support 
Originally committed as revision 2868 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2004-03-10 22:11:49 +00:00
Ivan Kalvachev
5e5c247a7c initial chroma_format changes,xvmc tweaks and codec_cap 
Originally committed as revision 2833 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2004-03-01 14:55:21 +00:00
Michael Niedermayer
e51f49487e set AVFrame.pts based upon framerate if its 0 
detect & warn if the user prvides pts only for some frames, and try to guess the missing ones

Originally committed as revision 2812 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2004-02-25 02:05:50 +00:00
Michael Niedermayer
c62c07d3d7 multithreaded mpeg2 decoding 
Originally committed as revision 2810 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2004-02-23 20:56:56 +00:00
Michael Niedermayer
9c3d33d67f multithreaded/SMP motion estimation 
multithreaded/SMP encoding for MPEG1/MPEG2/MPEG4/H263
all pthread specific code is in pthread.c
to try it, run configure --enable-pthreads and ffmpeg ... -threads <num>
the internal thread API is a simple AVCodecContext.execute() callback which executes a given function pointer with different arguments and returns after finishing all, that way no mutexes or other thread-mess is needed outside pthread.c

Originally committed as revision 2772 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2004-02-13 17:54:10 +00:00
Alex Beregszaszi
fe455f3328 get_bit_count -> put_bits_count 
Originally committed as revision 2752 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2004-02-06 15:27:31 +00:00
Michael Niedermayer
303e50e65b closed gop support & flags2 as all bits in flags are used 
and a few minor things i forgot to commit ...

Originally committed as revision 2718 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2004-01-22 19:48:28 +00:00
Michael Niedermayer
8f2ab83318 copyright year update of the files i touched and remembered, things look annoyingly unmaintained otherwise 
Originally committed as revision 2686 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2004-01-10 16:04:55 +00:00
Michael Niedermayer
783df5f347 denoise_dct_mmx() 
Originally committed as revision 2657 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2004-01-02 22:29:08 +00:00
Michael Niedermayer
bb198e198a interlaced motion estimation 
interlaced mpeg2 encoding
  P & B frames
  rate distored interlaced mb decission
  alternate scantable support
4mv encoding fixes (thats also why the regression tests change)
passing height to most dsp functions
interlaced mpeg4 encoding (no direct mode MBs yet)
various related cleanups
disabled old motion estimaton algorithms (log, full, ...) they will either be fixed or removed

Originally committed as revision 2638 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2003-12-30 16:07:57 +00:00
Wolfgang Hesseler
0c9bbaec60 motion vector vissualization improvements patch by (Wolfgang Hesseler <qv at multimediaware dot com>) 
Originally committed as revision 2636 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2003-12-30 02:12:12 +00:00
Michael Niedermayer
1031fabd14 picture number fixes 
Originally committed as revision 2634 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2003-12-29 22:25:08 +00:00
Michael Niedermayer
d60a8f85d7 vbv_delay 
Originally committed as revision 2623 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2003-12-17 19:53:05 +00:00
Michael Niedermayer
d50635cd24 split intra / inter dequantization 
Originally committed as revision 2607 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2003-12-14 02:57:00 +00:00
Michael Niedermayer
d55f7b6521 cleanup 
Originally committed as revision 2605 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2003-12-13 20:41:33 +00:00
Michael Niedermayer
11dffbe1da stuffing to stay above min_bitrate 
Originally committed as revision 2602 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2003-12-12 21:30:47 +00:00
Michael Niedermayer
fb0666392c CBR improvements 
Originally committed as revision 2601 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2003-12-12 19:26:55 +00:00
Wolfgang Hesseler
8d7ec294c4 move motion_val & mb_type to AVFrame patch by (Wolfgang Hesseler <qv at multimediaware dot com>) 
cleanups & fixes by me

Originally committed as revision 2579 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2003-12-09 01:49:56 +00:00
Michael Niedermayer
ba58dabc5c h263 slice structured mode 
slice cleanup

Originally committed as revision 2568 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2003-12-07 01:33:45 +00:00
Michael Niedermayer
cdb4e730e4 cleanup 
Originally committed as revision 2562 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2003-12-04 18:46:49 +00:00
Michael Niedermayer
b40cd4e0e4 rv20 (h263) b frame decoding support 
Originally committed as revision 2561 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2003-12-04 18:34:47 +00:00
Michael Niedermayer
554daa2402 cleanup 
Originally committed as revision 2558 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2003-12-03 16:47:17 +00:00
Michael Niedermayer
fcfee63b12 split ff_h263_decode_mb() into h263 and mpeg4 versions 
Originally committed as revision 2554 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2003-12-03 01:16:35 +00:00
Michael Niedermayer
332f9ac4e3 h263 loop filter 
fixed h263 modified quantization
CODEC_FLAG_OBMC

Originally committed as revision 2549 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2003-12-01 15:23:14 +00:00
Michael Niedermayer
43dc0bfd2e cleanup 
Originally committed as revision 2545 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2003-11-30 17:30:18 +00:00
Michael Niedermayer
68b94c354d rv20 decoder 
Originally committed as revision 2543 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2003-11-30 14:35:35 +00:00
Michael Niedermayer
dba019daba h263 alternative inter vlc support 
Originally committed as revision 2541 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2003-11-29 08:37:51 +00:00
Michael Niedermayer
8fc7c99369 10000l 
Originally committed as revision 2538 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2003-11-28 23:38:43 +00:00
Michael Niedermayer
821cb11f76 noise reduction of dct coefficients 
Originally committed as revision 2468 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2003-11-02 23:19:47 +00:00
Michael Niedermayer
5f1948111a pts fix and related fixes 
Originally committed as revision 2452 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2003-10-30 16:58:49 +00:00
Ivan Kalvachev
a579db0c4f XvMC speedup by removing one memcpy and doing MB packing 
Originally committed as revision 2442 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2003-10-27 23:22:43 +00:00
Michael Niedermayer
9d9e31722a 112 bytes smaller MpegEncContext 
Originally committed as revision 2414 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2003-10-22 15:36:46 +00:00
Michael Niedermayer
45686da26d move blocks away MpegEncContext (7.4 -> 5.8k) 
Originally committed as revision 2413 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2003-10-22 12:01:21 +00:00
Michael Niedermayer
642ccefbc8 move mmx quantizer matrixes out of MpegEncContext (23k -> 7k) (no meassureable slowdown) 
Originally committed as revision 2412 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2003-10-22 11:23:39 +00:00
Michael Niedermayer
7e4995c388 move q_*_matrix out of MpegEncContext (40k ->23k) dct_quantize() is even slightly faster now, dont ask my why ... 
Originally committed as revision 2411 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2003-10-22 10:59:39 +00:00
Michael Niedermayer
b465449eb7 dynamic alloc of picture structs instead of putting them in MpegEncContext 
Originally committed as revision 2410 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2003-10-21 19:55:31 +00:00
Michael Niedermayer
5ff85f1d8b AVRational 
sample_aspect_ratio
aspect ratio in JPEG JFIF is SAR not DAR !
removed nonsense SAR guessing code
various related cleanups
bugs?

Originally committed as revision 2403 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2003-10-20 20:23:46 +00:00
Michael Niedermayer
6571e41dcd picture buffer cleanup, this fixes a assertion failure (if assertion checking was manualy enabled for utils.c) and a memleak at least 
Originally committed as revision 2392 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2003-10-16 00:21:54 +00:00
Michael Niedermayer
34790165dc intra dc treshold != 0 decoding fixed 
Originally committed as revision 2363 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2003-10-12 14:01:53 +00:00
Michael Niedermayer
158c7f059c use lagrange multipler instead of qp for ratecontrol, this may break some things, tell me ASAP if u notice anything broken 
quality which was 1..31 float is now a 1..FF_LAMBDA_MAX int, and FF_QP2LAMBDA * qp can be used to convert to the new range

Originally committed as revision 2348 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2003-10-07 11:32:40 +00:00