Michael Niedermayer
b318477992
put/avg_pixels16
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fixing 2 small qpel bugs
Originally committed as revision 915 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
6b460aa387
reducing sizeof MpegEncContext to avoid stack overflow on crap M$ windo$
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Originally committed as revision 914 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
ad324c9351
dct cleanup
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more accurate mmx dct (dont discard bits for fun)
fixing mmx quantizer bug for qscale%2==1 (bias was slightly wrong)
Originally committed as revision 895 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Martin Olschewski
c7e079314b
sun solaris compilation bugfix, patch by (Martin Olschewski <olschewski at zpr dot uni-koeln dot de>)
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Originally committed as revision 882 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
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)
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per context DCT selection
Originally committed as revision 878 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
fd7db0fddf
mpeg4 interlaced decoding support (not completly implemented/tested due to lack of samples)
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Originally committed as revision 870 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Alex Beregszaszi
e769f0535e
added aspected_width/height for EXTENDED_PAR
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Originally committed as revision 869 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
3aa102be84
new ratecontrol code
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Originally committed as revision 862 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
7806197db2
error concealment needs the mbintra_table so it should allways be allocated
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Originally committed as revision 861 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
1fb4890b51
better scene change detection
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Originally committed as revision 858 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
c9178d868a
same dc skip behavior for chroma & luma elimination, its confusing otherwise imho
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Originally committed as revision 854 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
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
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Originally committed as revision 853 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
87f8cab45b
mpeg4 mpeg quantizer encoding
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Originally committed as revision 844 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
508abacadb
4mv + bframe decoding bugfix
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Originally committed as revision 843 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
b7adc711fa
last_picture should be never == NULL (it was with dr1) this might fix a segfault with error concealment
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Originally committed as revision 837 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
d930ef19ea
fixing mpeg4 mpeg quantizers
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Originally committed as revision 836 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
a10678da8a
max_b_frame=4 bugfix
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Originally committed as revision 833 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
b5a093b3a9
different edge positions fixed with edge emu / dr1
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Originally committed as revision 814 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
3e6a20a0cd
minor optimizations
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fixing numbers.avi
fixing ac prediction between MBs with different QP
Originally committed as revision 782 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
79c0c7858d
use edge emu for encoding of width or height %16!=0 files
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Originally committed as revision 776 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
9022797ba2
fixing NULL reference frame with dr1
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Originally committed as revision 775 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
9be42dba97
larger edge emu buffer (might have been too small)
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Originally committed as revision 773 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
5499377432
fixing gmc with emu edges
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Originally committed as revision 772 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
4c9ede2e4b
interlaced mpeg2 fix ... replacing linesize>>1 by uvlinesize brainlessly wasnt a good idea
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Originally committed as revision 771 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
fe072fb4ee
exporting mbskip_table after it has been allocated
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Originally committed as revision 768 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
760acb18a3
direct rendering for SVQ1
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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
23 years ago
Michael Niedermayer
0fd90455ec
uvlinesize
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export has_b_frames
mb_skip with more than 2 ip buffers
Originally committed as revision 762 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
225f9c44cf
4mv & qpel edge emu
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Originally committed as revision 760 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
93a21abde5
direct rendering method 1 support
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Originally committed as revision 759 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
c03a717274
rl decoding optimization
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Originally committed as revision 755 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Marko Kreen
adc09b2eab
adding ff prefix to avoid global name conficts with xvid (patch by Marko Kreen <marko at l-t.ee>)
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Originally committed as revision 739 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Falk Hüffner
e0580f8c68
Update and activate dct_unquantize_h263_mvi. Thanks to Måns Rullgård
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for some improvements.
Originally committed as revision 714 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
a406617f2a
init dc_scale tables to defaults (fixes mjpeg sig11)
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Originally committed as revision 706 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
f5957f3fe2
wmv1 support
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dc scale optimisation
better ac table selection for msmpeg4
Originally committed as revision 696 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
6282185e82
grayscale only encoding
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Originally committed as revision 679 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
b50eef3ae0
grayscale only decoding
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Originally committed as revision 677 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
0f440e0214
optimizing MPV_decode_mb
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Originally committed as revision 673 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Fabrice Bellard
ad31c904b2
use ff_idct_put/add()
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Originally committed as revision 670 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Fabrice Bellard
03c94ede93
avoid name clash with libjpeg - added missing externs
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Originally committed as revision 660 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Nick Kurshev
8696b63645
use qstride instead of fixed constants
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Originally committed as revision 653 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Nick Kurshev
ae72cda62b
new field for communicating with external postprocessing
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Originally committed as revision 652 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
333547be44
typo (found by Bohdan Horst <nexus at hoth.amu.edu.pl>)
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Originally committed as revision 648 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
2a052693dd
divx5 bug workaround
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Originally committed as revision 647 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
7f2fe444a3
single coefficient elimination
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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
23 years ago
Fabrice Bellard
ff4ec49e64
license/copyright change
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Originally committed as revision 599 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Fabrice Bellard
6000abfa89
removed useless header includes - use av memory functions
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Originally committed as revision 522 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Juanjo
9cd3766f6e
- pict_type exported to AVCodecContext
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- 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
23 years ago
Alex Beregszaszi
a69b930cd3
clamp intra matrix to 8bit for mjpeg (workaround for qscale>=25)
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Originally committed as revision 451 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Michael Niedermayer
7aaf3b98fc
there are divx5? encoded files without a userdata section but with b-frames :(
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Originally committed as revision 446 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago
Juanjo
ef5b1b5a7e
- Advanced Intra Coding (AIC) support for H.263+ encoder, just DC by now.
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- Bug fix H.263+ AIC tables.
- Warning fixes.
Originally committed as revision 431 to svn://svn.ffmpeg.org/ffmpeg/trunk
23 years ago