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234 Commits

Author SHA1 Message Date
Michael Niedermayer
b538791bc9 use more bits on the encoder side 
negligible increase in quality

Originally committed as revision 10195 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-23 10:49:14 +00:00
Michael Niedermayer
ce611a27be Change rounding of the horizontal DWT to match the vertical one. 
This allows some simplifications and optimizations and should
not have any effect on quality.

Originally committed as revision 10172 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-21 16:29:40 +00:00
Michael Niedermayer
d7826b58d2 make wmv1 and wmv2 playable with M$ DMO decoder 
Originally committed as revision 9950 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-05 20:03:37 +00:00
Michael Niedermayer
d2f8f410bc flashsv regression test 
closes issue5

Originally committed as revision 9912 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-04 20:35:50 +00:00
Benoit Fouet
d31c98bf80 update regression checksums after r9447 
Originally committed as revision 9468 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-07-03 15:41:00 +00:00
Diego Biurrun
4fbd52f0b8 Merge tests Makefile into the top-level Makefile. 
This gets rid of some recursion and simplifies the code.

Originally committed as revision 9255 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-06-07 22:36:39 +00:00
Michael Niedermayer
1c87ed3a34 1000000l for me ive misstakely reverted the regression checksum change from r8444 in r8486 
how did i succeed doing such a ridiculously silly thing? well i think it happened like:
1. verifying that the regression tests pass with old resample2.c
2. updating the regressions to the new resample2.c ... failed svn complained
3. svn up
4. updating the regressions to the new resample2.c success (r8485)

at that point everything was still ok

5. some more resample2.c work update regressions, read diff, commit (r8486)

my misstake was that the svn up at point 3 was run in tests/  -> iam an idiot

Originally committed as revision 8489 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-03-24 01:48:40 +00:00
Michael Niedermayer
8ec04d344a set more reasonable cutoff for audio rate conversion 
Originally committed as revision 8486 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-03-22 14:27:16 +00:00
Michael Niedermayer
4ba67eeed5 update resgression tests after the resampler changes 
Originally committed as revision 8485 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-03-22 13:52:24 +00:00
Bill O'Shaughnessy
4140a5234e AC-3 encoded volume is too high. Revert revision 7160: 
bring AC3 encoder output up to input volume level
patch by Bill O'Shaughnessy % bill P oshaughnessy A gmail.com %
+ reg tests update gruntwork by me
Original thread:
date: Nov 21, 2006 11:36PM
subject: [Ffmpeg-devel] Simpler Patch to bring AC3 encoder output up to input level

Originally committed as revision 8444 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-03-18 23:18:05 +00:00
Michael Niedermayer
75b213ed54 prevent audio packets from being fragmented, wmp mac doesnt seem to like that and microshitty also doesnt seem to ever fragment them 
Originally committed as revision 8265 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-03-05 17:54:49 +00:00
Michael Niedermayer
ff0e0b62a2 update forgotten regression test chcksums for 
====
Author: michael
Date: Mon Mar  5 03:41:49 2007
New Revision: 8240

Modified:
   trunk/libavformat/asf-enc.c

Log:
   create codec_comment_header which looks more like what M$ creates, sane or not ...

Originally committed as revision 8260 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-03-05 14:54:06 +00:00
Michael Niedermayer
1d7d9935b2 always use audio spread (instead of "video no spread" for audio ...) 
Originally committed as revision 7960 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-02-12 23:32:55 +00:00
Michael Niedermayer
a98d3e829a increaseing preroll time to the minimum of the asf files i have 
Originally committed as revision 7955 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-02-12 22:55:09 +00:00
Michael Niedermayer
d9076fe7c3 remove md5 check for wma as there are rounding differences between cpus 
Originally committed as revision 7954 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-02-12 19:59:38 +00:00
Michael Niedermayer
0786943a00 disabling vorbis regression test for now, both encoder and decoder behave strange and have to be fixed 
Originally committed as revision 7953 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-02-12 19:50:57 +00:00
Michael Niedermayer
0d9f863340 dont set the keyframe flag for audio as microshitty doesnt do it and some things have problems with our asfs, maybe that has a positive effect? 
Originally committed as revision 7952 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-02-12 19:24:53 +00:00
Michel Bardiaux
5600b6e19e Regression changes after addition of fact chunk to non-PCM wav 
Originally committed as revision 7951 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-02-12 18:44:53 +00:00
Michael Niedermayer
2d241e6687 fix broken memset(padding, 0) code 
add a few asserts

Originally committed as revision 7903 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-02-09 20:49:12 +00:00
Michael Niedermayer
190972a06e iam pretty sure send time is dts and not pts ... 
Originally committed as revision 7879 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-02-07 23:06:13 +00:00
Michael Niedermayer
3160138fc2 vorbis regression test 
(using .asf as our .ogg muxer depends on libogg, nut muxer depends on libnut and vorbis in avi/mpeg is not really a good idea)

Originally committed as revision 7874 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-02-07 17:04:30 +00:00
Michael Niedermayer
6d3d8daef9 wma regression test 
Originally committed as revision 7865 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-02-06 23:59:10 +00:00
Måns Rullgård
45ddd8b021 merge fragmented mpeg4adv section in regression.sh 
Originally committed as revision 7519 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-01-14 23:55:54 +00:00
Michael Niedermayer
396a5e6837 store a few values in the header as difference to the last 
this makes frames a few bytes smaller (0.1% for high bitrate but >1% for low bitrates)

Originally committed as revision 7401 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-01-02 12:24:31 +00:00
Allan Hsu
148c9bdbb8 Patch for the FLV muxer to supply more complete metadata 
in the onMetaData header. Patch by Allan Hsu <allan at counterpop dot net>.

Originally committed as revision 7382 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-12-28 12:35:22 +00:00
Michael Niedermayer
d951bb9a5c test DIRECT{0,0} too if flag mv0 is used 
slight PSNR/bitrate increase

Originally committed as revision 7361 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-12-22 23:30:57 +00:00
Baptiste Coudurier
49f1ac5a3d change mpeg2 intra vlc test to advanced one, add qprd trell and b frames 
Originally committed as revision 7349 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-12-21 17:55:02 +00:00
Michael Niedermayer
d6975eb82b use qscale_table in adaptive quant 
some PSNR/bitrate improvement for adaptive quant

Originally committed as revision 7346 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-12-21 15:45:53 +00:00
Michael Niedermayer
2f16af0667 skip motion estimation and encoding of non direct-0,0 MBs if the next MB is skiped (mpeg4 doesnt allow such MBs and in the past we did ME and encoding until at the end we droped them, so this should be faster though i didnt benchmark it, benchmark welcome) 
Originally committed as revision 7343 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-12-21 15:20:02 +00:00
Michael Niedermayer
59743d16c7 dont randomly disallow intr4v in adaptive quant 
some PSNR/bitrate gain if adaptive quant is used
initalize qscale_table correctly (it was pretty much random since the qp->lambda change)
  this probably has not much effect as the table isnt used currently IIRC

Originally committed as revision 7342 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-12-21 14:24:23 +00:00
Michael Niedermayer
51b1a6c939 dont randomly dissallow direct MBs 
some PSNR/bitrate gain for b frames with adaptive quant or QPRD

Originally committed as revision 7341 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-12-21 13:23:49 +00:00
Michael Niedermayer
2d1e5071e2 QPRD & adaptive quantization regression tests 
Originally committed as revision 7340 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-12-21 13:03:07 +00:00
Michael Niedermayer
e4d0e2edb9 fix special casing of the 0,0 MV for b frames (slight PSNR/bitrate gain) 
Originally committed as revision 7334 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-12-20 17:11:54 +00:00
Reimar Döffinger
c8aee695c5 Fix JPEG-LS encoder 0xff-escaping writing too much or uninitialized data. 
Originally committed as revision 7284 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-12-11 20:18:36 +00:00
Michael Niedermayer
ed1dfc4970 remove pretty much useless skiping of some predictors 
this has pretty much no quality or speed effect except very small random changes

Originally committed as revision 7202 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-12-01 20:38:54 +00:00
Michael Niedermayer
f7f8af46f7 1 step diamond search around the median MV predictor 
+0.01 PSNR
idea from x264

Originally committed as revision 7189 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-11-30 22:44:22 +00:00
Bill O'Shaughnessy
3e954443dd bring AC3 encoder output up to input volume level 
patch by Bill O'Shaughnessy % bill P oshaughnessy A gmail.com %
+ reg tests update gruntwork by me
Original thread:
date: Nov 21, 2006 11:36 PM
subject: [Ffmpeg-devel] Simpler Patch to bring AC3 encoder output up to input level

Originally committed as revision 7160 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-11-23 22:21:01 +00:00
Baptiste Coudurier
3c1418175d fix bitstream to be correctly decoded by quicktime 
Originally committed as revision 7157 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-11-22 13:53:22 +00:00
Michael Niedermayer
8cd15e47ad fix b frames + -mbd rd without -psnr (yes that was seriously buggy and probably hasnt been noticed as everyone who tested stuff used -psnr) 
Originally committed as revision 7151 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-11-22 00:30:53 +00:00
Roman Shaposhnik
3c8f30a745 * Restructuring the division of labor between DV codec and DV format 
[ Based on a patch by Brian Brice (bbrice at newtek dot com) ]

Originally committed as revision 6161 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-09-04 03:33:11 +00:00
Baptiste Coudurier
5340a0bc9c wide atom is only defined in mov, use free for mp4/3gp 
Originally committed as revision 6072 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-08-24 10:32:09 +00:00
Michael Niedermayer
0bd2483a75 replace MULL by MULH + shift in dct32() (code is very slightly faster, and the compiler should be able to optimize the shift away on 64bit archs) 
Originally committed as revision 6045 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-08-22 06:24:59 +00:00
David Conrad
57060f8936 AVI tag reading and writing patch by David Conrad. 
umovimus at gmail dot com

Originally committed as revision 6022 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-08-18 16:48:35 +00:00
Baptiste Coudurier
2211d62097 update rotozoom regression ref after patches r5945-r5950 
Originally committed as revision 5982 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-08-11 10:21:02 +00:00
Baptiste Coudurier
ba19d25a55 r5939 (flvenc.c) rotozoom regression update 
Originally committed as revision 5943 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-08-07 10:52:14 +00:00
Michael Niedermayer
fd0fb3064d add header info to flv format based on a patch by (Philipp Klaus >ffmpegdevel ad pylonsoft mot ch ) 
Originally committed as revision 5779 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-07-17 21:51:21 +00:00
Justin Ruggles
a403fc0324 flac-lpc patch by (Justin Ruggles jruggle earthlink net) 
tabs removed and regression.sh fixed (it was missing in the patch) by me

Originally committed as revision 5572 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-07-02 10:22:31 +00:00
Justin Ruggles
e71bcc3798 flacenc - rice param search patch by (Justin Ruggles jruggle earthlink net 
1) search for optimal rice parameters and partition order. i also
modified the stereo method estimation to use this to calculate estimated
bit count instead of using just the pure sums.

2) search for the best fixed prediction order

3) constant subframe mode (good for encoding silence)

Note that the regression test for the decoded wav file also changed.
This is due to FFmpeg's FLAC decoder truncating the file, which it did
before anyway...just at a different cutoff point.  The generated FLAC
files are still 100% lossless.

With this update, FFmpeg's FLAC encoder has speed and compression
somewhere between "flac -1" and "flac -2".  On my machine, it's about
15% faster than "flac -2", and about 10% slower than "flac -1".  The
encoding parameters are identical to "flac -2" (fixed predictors, 1152
blocksize, partition order 0 to 3).

Originally committed as revision 5536 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-06-27 21:01:21 +00:00
Michael Niedermayer
f33aa12011 stereo decorrelation support by (Justin Ruggles jruggle earthlink net>) 
Originally committed as revision 5528 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-06-26 06:00:07 +00:00
Michael Niedermayer
aeb2904eba flac regression test 
Originally committed as revision 5515 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-06-24 11:40:21 +00:00
Loren Merritt
4a387d7d3b update regression tests for r5449 (adpcm) 
Originally committed as revision 5476 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-06-14 19:10:59 +00:00
Loren Merritt
871371a768 Snow: fix subband weighting in wavelet cmp functions. use 32x32 cmp in iterative motion estimation. 
Originally committed as revision 5427 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-05-30 05:44:22 +00:00
Loren Merritt
8c36eaaa94 Snow multiple reference frames 
(bitstream is not backwards compatible, even if refs aren't used)

Originally committed as revision 5417 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-05-28 21:44:47 +00:00
Michael Niedermayer
ed90d370ec dont store mov style meta tags in mp4 (fixes ffmpeg -title + gtkpod) 
Originally committed as revision 5405 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-05-18 23:32:42 +00:00
Baptiste Coudurier
307eb24879 add MPEG-2 intra vlc support 
Originally committed as revision 5372 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-05-13 17:16:58 +00:00
Michael Niedermayer
e27b6e62f7 missmatch control for mpeg2 intra dequantization if bitexact=1 
Originally committed as revision 5328 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-04-28 17:03:52 +00:00
Benjamin Larsson
ddbddce547 Fix samples to bytes relation. 
Originally committed as revision 5314 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-04-24 13:04:12 +00:00
Benjamin Larsson
f1f7807abd AC3 encoding volume fix, by Justin Ruggles jruggle earthlink net. 
Originally committed as revision 5281 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-04-10 12:12:26 +00:00
Corey Hickey
52dc09a5fe Fix regression tests to match changed output of AC3 encoder 
(ac3enc.c r1.30)

Originally committed as revision 5275 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-04-07 21:30:24 +00:00
Loren Merritt
0816152af9 seed iterative_me with mvs from conventional search. 
+15% speed, +.1 dB

Originally committed as revision 5159 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-03-13 05:23:34 +00:00
Daniel Maas
0b297700b7 DVCPRO50 support. 
Patch by Daniel Maas dmaas at maasdigital dot com

Originally committed as revision 5113 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-03-06 08:54:33 +00:00
Baptiste Coudurier
26f86eaf03 ftyp patch by (Baptiste COUDURIER <baptiste.coudurier smartjog com) 
Originally committed as revision 5098 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-03-02 19:28:35 +00:00
Baptiste Coudurier
1522767d0d compute output format before setting language patch by (Baptiste COUDURIER <baptiste.coudurier smartjog com) 
Originally committed as revision 5093 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-03-02 01:37:38 +00:00
Dan Maas
40116978de Assign class 2 to most macroblocks by default, instead of a more conservative 
method defined by SMPTE

Patch by Dan Maas

Originally committed as revision 5074 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-02-28 02:54:48 +00:00
Dan Maas
2e52b44e50 AC coefficient weighing (per SMPTE 314M) for the DV encoder and decoder. The 
performance impact is less than 1%.

Patch by Dan Maas  (dmaas at maasdigital dot com)

Originally committed as revision 5070 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-02-27 04:50:06 +00:00
Michael Niedermayer
6661b2130d dont lowwer qnos of more blocks then needed 
Originally committed as revision 5055 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-02-23 13:05:37 +00:00
Michael Niedermayer
d2d230a756 fixing dv_guess_qnos() 
roman, dont hesitate to reverse this and solve it differntly if you want ...

Originally committed as revision 5053 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-02-23 08:56:53 +00:00
Michael Niedermayer
b4e021e8c4 jpeg-ls regression test 
Originally committed as revision 4925 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-02-02 15:34:09 +00:00
Michael Niedermayer
82e415b1fc avoid using non constant fields of AVCodecContext in avi muxer 
Originally committed as revision 4897 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-01-25 17:14:16 +00:00
Benjamin Larsson
12943a53b5 Fix the wrongly commited regressions stuff for psp compatible mp4 files. 
Originally committed as revision 4890 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-01-24 08:15:47 +00:00
Benjamin Larsson
dcfdb046ee Fix for title field in PSP compatible mp4 files. Patch by 
Olivier, oandrieu <at> gmail.com.

Originally committed as revision 4889 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-01-24 08:03:42 +00:00
Michael Niedermayer
29f7ae79e7 scale video for snow iterative me down so the egression test is faster 
Originally committed as revision 4888 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-01-23 18:49:08 +00:00
Michael Niedermayer
b29af723de >4gb fixes by (Dirk Musfeldt | d.musfeldt meilenstein de) 
Originally committed as revision 4886 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-01-23 14:12:03 +00:00
Loren Merritt
48d1b9a17c fix convergence of snow iterative_me 
Originally committed as revision 4876 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-01-21 02:35:03 +00:00
Michael Niedermayer
c8a596d210 bugs found by valgrind 
Originally committed as revision 4841 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-01-12 21:37:57 +00:00
Michael Niedermayer
47ad9abaa5 fixing second last time François Revol applies a patch without running the regression tests, next time his account is disabled 
Note, if you think thats too harsh, look at the cvs history he has broken the regression tests many times and has not once
updated the checksums ...
regression test checksum change due to: movenc.c 1.46->1.47
"finally found what those >138 codes were... crappy compressed 5bit ascii. this gets them correctly, and adds setting track"

Originally committed as revision 4826 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-01-08 17:06:26 +00:00
Michael Niedermayer
80e44bc3bf use h264 MC functions for 2xX Xx2 blocks in snow too 
Originally committed as revision 4824 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-01-08 01:50:34 +00:00
Michael Niedermayer
2692ceab8b use h264 MC functions for rectangular blocks too 
Originally committed as revision 4821 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-01-07 18:34:19 +00:00
Michael Niedermayer
a588a2c654 regression test for iterative ME & wavelet cmp functions 
Originally committed as revision 4820 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-01-07 15:53:21 +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
aaaa6f1549 dont discard least significant bits 
Originally committed as revision 4773 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-12-25 16:34:12 +00:00
Michael Niedermayer
b7c51ebc89 slightly better mv_penalty table 
Originally committed as revision 4770 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-12-24 03:12:07 +00:00
Michael Niedermayer
377798d6bd minor typo 
Originally committed as revision 4767 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-12-23 00:40:52 +00:00
Michael Niedermayer
50c6f6cd4c improved lambda/qp guessing for motion estimation RD in first pass 
this only affects encoding with bframes and rate control

Originally committed as revision 4765 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-12-22 14:17:54 +00:00
Michael Niedermayer
f79432a26e set a few variables correctly 
Originally committed as revision 4560 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-09-05 10:26:11 +00:00
Michael Niedermayer
c619ff6daf optimizations 
dc coeff rounding fix
class=3 num of bits fix
do interlaced check & idct only if CODEC_FLAG_INTERLACED_DCT

Originally committed as revision 4542 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-08-30 20:03:19 +00:00
Michael Niedermayer
8fce2707e8 regression tests for dv 
Originally committed as revision 4541 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-08-30 19:44:02 +00:00
Michael Niedermayer
d8cbeba156 yamaha adpcm regression test 
Originally committed as revision 4473 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-07-25 14:36:58 +00:00
Michael Niedermayer
3b5ffe7a39 fix mpeg2 chroma_420_type 
Originally committed as revision 4274 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-05-18 19:42:42 +00:00
Justin Ruggles
132041f06f While adding stereo rematrixing, I came across something that needs to 
be fixed even without adding the feature.  The output correctly uses 4
dummy values for the rematrixing flags in block-0, but the bit
allocation routine does not take these bits into account.  From what I
can tell, there was a patch in 2003 that corrected the output to make it
DVD and spec compatible, but it didn't correct the bit allocation.  It's
only 4 bits over the entire 6 blocks, so overflow errors would happen
rarely or never, but it's still worth fixing.  So here is a fix.

patch by (Justin Ruggles {jruggle earthlink net)

Originally committed as revision 4179 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-05-05 14:10:52 +00:00
Michael Niedermayer
b44985ba12 store the number of runs to avoid storing the last run value 
about 10% lower bitrate for -qscale 32 (forman & some music video)
worst case bitrate increase <0.1% (lossless or low qscale)
and now the bad news, even though this just adds a single subtraction and an if() into the medium sized unpack_coeffs() loop and the if() will only be false once per unpac_coeff() call, gcc produces 50% slower code, i didnt look at the generated asm yet, not sure if i want to ...

Originally committed as revision 4131 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-04-15 13:24:30 +00:00
Michael Niedermayer
f5a719287d rescale coefficients during IDWT, that way the lifting steps are much simpler and faster 
Originally committed as revision 4119 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-04-10 14:21:53 +00:00
Michael Niedermayer
a0a74ad9f0 increasing precission of the quantization parameter 
this is needed as the quantization stepsize for each subband is also in this precission and insignificant changes to the wavelet like scaling its coefficients slightly differently would lead to wildly variing PSNR and bitrate
note, a encoder could also simply choose to leave the least significant bits of the quantization parameters zero which would give the exact previous behaviour except a y very tiny number of bits in  the header

Originally committed as revision 4115 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-04-09 22:15:48 +00:00
Michael Niedermayer
538a38418c 10% faster unpack_coeffs 
Originally committed as revision 4108 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-04-05 17:59:05 +00:00
Michael Niedermayer
3cff4572ce fixing lossless snow 
Originally committed as revision 4107 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-04-05 09:37:43 +00:00
Michael Niedermayer
d13eef3d3d snow regression test 
Originally committed as revision 4100 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-04-03 15:39:17 +00:00
Calcium
58d2a1506d 28_fix_parameters_in_G726.patch by (Calcium | calcium nurs or jp) 
Originally committed as revision 4070 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-03-23 12:35:27 +00:00
Michael Niedermayer
8272de4ea2 fix time stored in mov 
based upon 23_fix_timestamp_in_mov.patch by (Calcium | calcium nurs or jp)

Originally committed as revision 4067 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-03-23 11:15:45 +00:00
Michael Niedermayer
6c13c880fa trying to fix a few minor values in the mp4/mov muxer 
Originally committed as revision 4063 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-03-23 00:26:43 +00:00
Michael Niedermayer
4a7d265176 sample_size fix 
Originally committed as revision 4043 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-03-15 23:50:24 +00:00