Michael Niedermayer
f24a515931
shift CABACContext.range right, this reduces the number of shifts needed in get_cabac() and is slightly faster on P3 (and should be much faster on P4 as the P4 except the more recent variants lacks an integer shifter and so shifts have ~10 times longer latency then simple operations like adds)
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Originally committed as revision 6702 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Ramiro Polla
aa770811a3
Have xvid encoder wrapper honnor -vtag option
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Patch by Ramiro Polla angustia A arrozcru P no-ip P org
Original thread:
Date: 14.10.2006 05:44
Subject: [Ffmpeg-devel] xvid ignores -vtag
Originally committed as revision 6701 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Diego Biurrun
14f29f795d
Revert putting EXTRALIBS in common.mak, linking fails on MinGW.
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Originally committed as revision 6700 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Kostya Shishkov
a8789714ba
Ignore blocks with no samples and flags (but usually with MD5 sum)
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Originally committed as revision 6694 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Diego Biurrun
7c428ea681
Put libmpeg2 IDCT functions under CONFIG_GPL, fixes link failure
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with --disable-opts.
Originally committed as revision 6691 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Steve L'Homme
8aaed74c4b
Remove empty structures,
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Patch by Steve LHomme
Original thread:
Date: 13.10.2006 21:55
Subject: [Ffmpeg-devel] [PATCH] Remove empty structures
Originally committed as revision 6690 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Kostya Shishkov
ab9ce19170
Make PNG produce correct 8-bit pictures
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Originally committed as revision 6689 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Kostya Shishkov
4ec0beaa59
Move block size check to decoder
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Originally committed as revision 6688 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Michael Niedermayer
b566bd65e2
simplify escape decoding
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Originally committed as revision 6685 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Diego Biurrun
a88fc5c040
Remove intrinsics checks, they are no longer used.
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partly based on a patch by Zuxy Meng, zuxy.meng gmail com
Originally committed as revision 6684 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Michael Niedermayer
68a205edef
dehack *ps_state indexing in the branchless decoder
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Originally committed as revision 6683 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Kostya Shishkov
a991b1fecb
TIFF decoder
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Originally committed as revision 6682 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Michael Niedermayer
12ff5b0f3b
add "memory" to the clobber list we change memory so we need it, this also fixes some problems with gcc svn
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Originally committed as revision 6679 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Michael Niedermayer
5ed0d67da5
-1 is a valid return value in ratecontrol_1pass() -> 100l for takis
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Originally committed as revision 6677 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Dominik Mierzejewski
61b769871f
Fixes:
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xvmcvideo.c: In function ‘XVMC_decode_mb’:
xvmcvideo.c:141: warning: ‘return’ with a value, in function returning void
Approved by Ivan.
Originally committed as revision 6676 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Michael Niedermayer
de1013e1ca
10l int vs uint8_t
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Originally committed as revision 6675 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Michael Niedermayer
851ded8918
prevent "mb level" get_cabac() calls from being inlined (3% faster decode_mb_cabac() on P3)
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Originally committed as revision 6674 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Michael Niedermayer
1f6049f515
int->uint8_t for 2 tables
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Originally committed as revision 6673 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Baptiste Coudurier
29f86228a0
support for Tiertex .seq files demuxing/video decoding, by Gregory Montoir %cyx A users P sourceforge P net%
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Originally committed as revision 6672 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Gregory Montoir
7da4d4cdec
fix SHOW_SBITS for ALT_BITSTREAM_READER_LE, patch by Gregory Montoir %cyx A users P sourceforge P net%
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Originally committed as revision 6671 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Diego Biurrun
cb690cadaf
Rename internal.h --> xvid_internal.h, it clashes with libavutil/internal.h.
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Originally committed as revision 6670 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Luca Barbato
a5db5bda07
ppc generic prefetch
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Originally committed as revision 6669 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Guillaume Poirier
a0490b324a
adds some useful comments after some of the #else, #elseif,
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#endif preprocessor directives to make it clearer which code
block depends on which #define xx
Originally committed as revision 6668 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Diego Biurrun
c26abfa541
Rename ABS macro to FFABS.
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Originally committed as revision 6666 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Loren Merritt
a957c27b03
more prefetches, 2% faster h264
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Originally committed as revision 6664 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Michael Niedermayer
1f4d5e9f69
slightly faster on P3 slightly slower on athlon and probably faster on P4
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Originally committed as revision 6663 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Baptiste Coudurier
dc56e0de1d
update doc, changelog, and increase libavcodec version for .cin files support
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Originally committed as revision 6660 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Baptiste Coudurier
72450e50a5
support for Delphine Software .cin files demuxing / audio and video decoding, by Gregory Montoir %cyx A users P sourceforge P net%
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Originally committed as revision 6659 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Michael Niedermayer
2b5269b51c
moving lps state transition code a little up in the branched asm code (1% faster on P3)
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Originally committed as revision 6658 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Michael Niedermayer
b99f3cabed
write cabac low and range variables as early as possible to prevent stalls from reading them before they where written, the P4 is said to disslike that alot, on P3 its 2% faster (START/STOP_TIMER over decode_residual)
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Originally committed as revision 6657 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Michael Niedermayer
d17faef011
use ecx instead of cl (no speed change on P3 but might avoid partial register stalls on some cpus)
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Originally committed as revision 6656 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Michael Niedermayer
d61c4e731e
make state transition tables global as they are constant and the code is slightly faster that way
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Originally committed as revision 6655 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Michael Niedermayer
5f3eca121e
10l
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Originally committed as revision 6654 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Michael Niedermayer
0fa352c7e6
make lps_range a global table its constant anyway (saves 1 addition for accessing it)
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Originally committed as revision 6653 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Michael Niedermayer
3650b43959
enable CMOV_IS_FAST as its faster or equal speed on every cpu (duron, athlon, PM, P3) from which ive seen benchmarks, it might be slower on P4 but noone has posted benchmarks ...
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Originally committed as revision 6652 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Michael Niedermayer
6ab312daa2
doxy
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Originally committed as revision 6647 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Diego Biurrun
dadb850a50
Move CFLAGS handling to common.mak.
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Originally committed as revision 6642 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Diego Biurrun
a33fe57287
Switch to the LGPL as agreed to by the author according to the
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initial commit log message.
Originally committed as revision 6641 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Kostya Shishkov
3689cf1649
Targa image decoder
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Originally committed as revision 6640 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Diego Biurrun
15e35274d8
Rename SIGN macro to the more fitting UNFOLD.
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Originally committed as revision 6626 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Diego Biurrun
0bc2e7f081
BRANCHLESS_CABAD --> BRANCHLESS_CABAC_DECODER
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Originally committed as revision 6623 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Guillaume Poirier
ab5a1435ec
Move TRANSPOSE8 macro to dsputil_altivec.h.
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(was duplicated in libavcodec/ppc/vc1dsp_altivec.c
nd libavcodec/ppc/mpegvideo_altivec.c, and will be
used in upcoming routines for h264_altivec.c)
Originally committed as revision 6621 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Michael Niedermayer
9ed92c65f1
moving another bit&1 out, this is as fast as with it in there, but it makes more sense with it outside of the loop
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Originally committed as revision 6618 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Michael Niedermayer
f1b37db48d
move the &1 out of the asm so gcc can optimize it away in inlined cases (yes this is slightly faster)
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Originally committed as revision 6616 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Michael Niedermayer
ab0151d163
replace a few and/sub/... by cmov
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this is faster on P3, should be faster on AMD, and should be slower on P4
its disabled by default (benchmarks welcome so we know when to enable it)
Originally committed as revision 6615 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Michael Niedermayer
a6672acf45
reading 8bit mem into a 8bit register needs 2 uops on P4, 8bit->32bit with zero extension needs just 1
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Originally committed as revision 6612 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Michael Niedermayer
2d3df05ca0
on the P4 inc needs twice as much time a add
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Originally committed as revision 6611 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Michael Niedermayer
2ee9dc65be
10l
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Originally committed as revision 6610 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Michael Niedermayer
7822e1c1ff
reverse remainder of the failed attempt to optimize *state=c->mps_state[s]
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Originally committed as revision 6609 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Michael Niedermayer
ef0090a998
x86 branchless cabac decoder
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slightly faster on P3
Originally committed as revision 6608 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago