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* Assign class 2 to most macroblocks by default, instead of a more conservativeDan Maas2006-02-28
| | | | | | | | method defined by SMPTE Patch by Dan Maas Originally committed as revision 5074 to svn://svn.ffmpeg.org/ffmpeg/trunk
* AC coefficient weighing (per SMPTE 314M) for the DV encoder and decoder. TheDan Maas2006-02-27
| | | | | | | | 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
* size[0-3] are not initialized (and can get random negative trashDan Maas2006-02-25
| | | | | | | | | | | | | | | values), so the comparison with vs_total_ac_bits is messed up on the first couple loop iterations, leading to AC underflows. the b->prev[] pointers were not being maintained correctly. We potentially have to update b->prev[] both before and after the area whose VLC length is getting adjusted. this also might fix the ppc regression failure? patch by (Dan Maas <dmaas maasdigital com>) Originally committed as revision 5064 to svn://svn.ffmpeg.org/ffmpeg/trunk
* dont lowwer qnos of more blocks then neededMichael Niedermayer2006-02-23
| | | | Originally committed as revision 5055 to svn://svn.ffmpeg.org/ffmpeg/trunk
* fixing dv_guess_qnos()Michael Niedermayer2006-02-23
| | | | | | 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
* jpeg-ls regression testMichael Niedermayer2006-02-02
| | | | Originally committed as revision 4925 to svn://svn.ffmpeg.org/ffmpeg/trunk
* avoid using non constant fields of AVCodecContext in avi muxerMichael Niedermayer2006-01-25
| | | | Originally committed as revision 4897 to svn://svn.ffmpeg.org/ffmpeg/trunk
* Fix the wrongly commited regressions stuff for psp compatible mp4 files.Benjamin Larsson2006-01-24
| | | | Originally committed as revision 4890 to svn://svn.ffmpeg.org/ffmpeg/trunk
* Fix for title field in PSP compatible mp4 files. Patch byBenjamin Larsson2006-01-24
| | | | | | Olivier, oandrieu <at> gmail.com. Originally committed as revision 4889 to svn://svn.ffmpeg.org/ffmpeg/trunk
* scale video for snow iterative me down so the egression test is fasterMichael Niedermayer2006-01-23
| | | | Originally committed as revision 4888 to svn://svn.ffmpeg.org/ffmpeg/trunk
* >4gb fixes by (Dirk Musfeldt | d.musfeldt meilenstein de)Michael Niedermayer2006-01-23
| | | | Originally committed as revision 4886 to svn://svn.ffmpeg.org/ffmpeg/trunk
* fix convergence of snow iterative_meLoren Merritt2006-01-21
| | | | Originally committed as revision 4876 to svn://svn.ffmpeg.org/ffmpeg/trunk
* detect when iterative_me fails to converge, and stop searchingLoren Merritt2006-01-19
| | | | Originally committed as revision 4868 to svn://svn.ffmpeg.org/ffmpeg/trunk
* bugs found by valgrindMichael Niedermayer2006-01-12
| | | | Originally committed as revision 4841 to svn://svn.ffmpeg.org/ffmpeg/trunk
* fixing second last time François Revol applies a patch without running the ↵Michael Niedermayer2006-01-08
| | | | | | | | | | | 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
* use h264 MC functions for 2xX Xx2 blocks in snow tooMichael Niedermayer2006-01-08
| | | | Originally committed as revision 4824 to svn://svn.ffmpeg.org/ffmpeg/trunk
* use h264 MC functions for rectangular blocks tooMichael Niedermayer2006-01-07
| | | | Originally committed as revision 4821 to svn://svn.ffmpeg.org/ffmpeg/trunk
* regression test for iterative ME & wavelet cmp functionsMichael Niedermayer2006-01-07
| | | | Originally committed as revision 4820 to svn://svn.ffmpeg.org/ffmpeg/trunk
* second try of improved lambda/qp guessing for motion estimation RD in first passMichael Niedermayer2005-12-29
| | | | Originally committed as revision 4785 to svn://svn.ffmpeg.org/ffmpeg/trunk
* dont discard least significant bitsMichael Niedermayer2005-12-25
| | | | Originally committed as revision 4773 to svn://svn.ffmpeg.org/ffmpeg/trunk
* slightly better mv_penalty tableMichael Niedermayer2005-12-24
| | | | Originally committed as revision 4770 to svn://svn.ffmpeg.org/ffmpeg/trunk
* minor typoMichael Niedermayer2005-12-23
| | | | Originally committed as revision 4767 to svn://svn.ffmpeg.org/ffmpeg/trunk
* improved lambda/qp guessing for motion estimation RD in first passMichael Niedermayer2005-12-22
| | | | | | this only affects encoding with bframes and rate control Originally committed as revision 4765 to svn://svn.ffmpeg.org/ffmpeg/trunk
* set a few variables correctlyMichael Niedermayer2005-09-05
| | | | Originally committed as revision 4560 to svn://svn.ffmpeg.org/ffmpeg/trunk
* optimizationsMichael Niedermayer2005-08-30
| | | | | | | | 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
* regression tests for dvMichael Niedermayer2005-08-30
| | | | Originally committed as revision 4541 to svn://svn.ffmpeg.org/ffmpeg/trunk
* yamaha adpcm regression testMichael Niedermayer2005-07-25
| | | | Originally committed as revision 4473 to svn://svn.ffmpeg.org/ffmpeg/trunk
* fix mpeg2 chroma_420_typeMichael Niedermayer2005-05-18
| | | | Originally committed as revision 4274 to svn://svn.ffmpeg.org/ffmpeg/trunk
* While adding stereo rematrixing, I came across something that needs toJustin Ruggles2005-05-05
| | | | | | | | | | | | | | 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
* fix overflow in mc_block() patch by (Yartrebo )yartrebo earthlink netYartrebo2005-04-17
| | | | Originally committed as revision 4132 to svn://svn.ffmpeg.org/ffmpeg/trunk
* store the number of runs to avoid storing the last run valueMichael Niedermayer2005-04-15
| | | | | | | | 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
* rescale coefficients during IDWT, that way the lifting steps are much ↵Michael Niedermayer2005-04-10
| | | | | | simpler and faster Originally committed as revision 4119 to svn://svn.ffmpeg.org/ffmpeg/trunk
* increasing precission of the quantization parameterMichael Niedermayer2005-04-09
| | | | | | | 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
* 10% faster unpack_coeffsMichael Niedermayer2005-04-05
| | | | Originally committed as revision 4108 to svn://svn.ffmpeg.org/ffmpeg/trunk
* fixing lossless snowMichael Niedermayer2005-04-05
| | | | Originally committed as revision 4107 to svn://svn.ffmpeg.org/ffmpeg/trunk
* snow regression testMichael Niedermayer2005-04-03
| | | | Originally committed as revision 4100 to svn://svn.ffmpeg.org/ffmpeg/trunk
* 28_fix_parameters_in_G726.patch by (Calcium | calcium nurs or jp)Calcium2005-03-23
| | | | Originally committed as revision 4070 to svn://svn.ffmpeg.org/ffmpeg/trunk
* fix time stored in movMichael Niedermayer2005-03-23
| | | | | | 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
* trying to fix a few minor values in the mp4/mov muxerMichael Niedermayer2005-03-23
| | | | Originally committed as revision 4063 to svn://svn.ffmpeg.org/ffmpeg/trunk
* sample_size fixMichael Niedermayer2005-03-15
| | | | Originally committed as revision 4043 to svn://svn.ffmpeg.org/ffmpeg/trunk
* set global_qualityMichael Niedermayer2005-03-15
| | | | Originally committed as revision 4042 to svn://svn.ffmpeg.org/ffmpeg/trunk
* switch MPEG4 fourcc to FMP4Michael Niedermayer2005-02-22
| | | | Originally committed as revision 3972 to svn://svn.ffmpeg.org/ffmpeg/trunk
* checksum change due to (don't crash on null codec patch which changed the ↵Michael Niedermayer2005-02-07
| | | | | | stored length of the compressor name, movenc.c 1.28->1.29) Originally committed as revision 3950 to svn://svn.ffmpeg.org/ffmpeg/trunk
* max/avg bitrate change (movenc.c 1.25->1.26)Michael Niedermayer2005-02-07
| | | | Originally committed as revision 3947 to svn://svn.ffmpeg.org/ffmpeg/trunk
* regression test checksum change due to the mov header field and compressor ↵Michael Niedermayer2005-02-07
| | | | | | name patch (movenc.c 1.24->1.25) Originally committed as revision 3946 to svn://svn.ffmpeg.org/ffmpeg/trunk
* compare audio files 16bit wise instead of 8bitMichael Niedermayer2005-02-01
| | | | | | additionally compare the mp2 case with some delay as this matches better (the delay issue obviously should be fixed) Originally committed as revision 3922 to svn://svn.ffmpeg.org/ffmpeg/trunk
* dithering for the mpeg audio decoderMichael Niedermayer2005-01-30
| | | | Originally committed as revision 3903 to svn://svn.ffmpeg.org/ffmpeg/trunk
* quick and dirty PSNR check for audioMichael Niedermayer2005-01-30
| | | | Originally committed as revision 3902 to svn://svn.ffmpeg.org/ffmpeg/trunk
* jpeg style yuv fixesMichael Niedermayer2005-01-20
| | | | Originally committed as revision 3852 to svn://svn.ffmpeg.org/ffmpeg/trunk
* rv20 regression testMichael Niedermayer2004-12-07
| | | | Originally committed as revision 3740 to svn://svn.ffmpeg.org/ffmpeg/trunk
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