Loren Merritt
2833fc4646
approximate qpel functions: sacrifice some quality for some decoding speed. enabled on B-frames with -lavdopts fast.
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Originally committed as revision 6412 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Loren Merritt
ebbafcb454
sse implementation of imdct.
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patch mostly by Zuxy Meng (zuxy dot meng at gmail dot com)
Originally committed as revision 6311 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Michael Benjamin
5ca030fed4
ADI Blackfin optimizations
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patch by Michael Benjamin, neuroptik gmail com
Originally committed as revision 6282 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Kostya Shishkov
6243da0d50
Drop put_vc1_qpel_pixels_tab as they won't be needed anymore.
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Originally committed as revision 6152 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Kostya Shishkov
e34350a376
New function for chroma MC (will be used in VC-1)
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Originally committed as revision 6150 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Luca Barbato
9814587500
Align the input buffer in ffplay, introduce a public macro for aligned declarations
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Update the avcodec_decode_audio and the float_to_int16 descriptions accordingly
Originally committed as revision 6147 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Kostya Shishkov
74691b7bcb
New qpel MC functions conforming to VC-1 standard.
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Existing DSPUtil functions cause chroma artifacts on some files.
Originally committed as revision 6139 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Loren Merritt
3e20143ee7
mmx implementation of deblocking strength decision.
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2-3% faster h264.
Originally committed as revision 6113 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Loren Merritt
069720565c
vorbis simd tweaks
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Originally committed as revision 5983 to svn://svn.ffmpeg.org/ffmpeg/trunk
19 years ago
Loren Merritt
eb4825b5d4
sse and 3dnow implementations of float->int conversion and mdct windowing.
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15% faster vorbis.
Originally committed as revision 5975 to svn://svn.ffmpeg.org/ffmpeg/trunk
19 years ago
Loren Merritt
bcfa3e58ee
3dnow2 implementation of imdct.
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6% faster vorbis and wma.
Originally committed as revision 5954 to svn://svn.ffmpeg.org/ffmpeg/trunk
19 years ago
Loren Merritt
2dac4acfc0
sse & sse2 implementations of vorbis channel coupling.
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9% faster vorbis (on a K8).
Originally committed as revision 5898 to svn://svn.ffmpeg.org/ffmpeg/trunk
19 years ago
Kostya Shishkov
64db55aedb
New functions in DSPContext for VC-1 decoding
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Originally committed as revision 5862 to svn://svn.ffmpeg.org/ffmpeg/trunk
19 years ago
Michael Niedermayer
b482e2d12f
CAVS decoder by (Stefan Gehrer stefan.gehrer gmx.de)
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Originally committed as revision 5590 to svn://svn.ffmpeg.org/ffmpeg/trunk
19 years ago
Zuxy Meng
392f6da897
Remove unused and unsupported Cyrix's "Extended MMX",
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Add SSE3 support.
Patch by Zuxy Meng < zuxy POIS meng AH gmail POIS com >
Original thread:
04/26/06 13:13:
[Ffmpeg-devel] [PATCH] Bug fix, SSE3 support in i386/cputest.c and dsputil.h
Originally committed as revision 5326 to svn://svn.ffmpeg.org/ffmpeg/trunk
19 years ago
Loren Merritt
703c8195a8
mmx implementation of 3-point GMC. (5x faster than C)
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Originally committed as revision 5265 to svn://svn.ffmpeg.org/ffmpeg/trunk
19 years ago
Michael Niedermayer
54009d4295
remove mpegvideo.c img resample dependancy
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Originally committed as revision 5258 to svn://svn.ffmpeg.org/ffmpeg/trunk
19 years ago
Steve L'Homme
dc2bf20e27
ST16 is undefined for non-GNU compilers.
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Patch by Steve Lhomme <slhomme at divxcorp com>
Originally committed as revision 5206 to svn://svn.ffmpeg.org/ffmpeg/trunk
19 years ago
Loren Merritt
513fbd8e5a
prefetch pixels for future motion compensation. 2-5% faster h264.
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Originally committed as revision 5203 to svn://svn.ffmpeg.org/ffmpeg/trunk
19 years ago
Robert Edele
059715a41c
First part of a series of speed-enchancing patches.
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This one sets up a snow.h and makes snow use the dsputil function pointer
framework to access the three functions that will be implemented in asm
in the other parts of the patchset.
Patch by Robert Edele < yartrebo AH earthlink POIS net>
Original thread:
Subject: [Ffmpeg-devel] [PATCH] Snow mmx+sse2 asm optimizations
Date: Sun, 05 Feb 2006 12:47:14 -0500
Originally committed as revision 5172 to svn://svn.ffmpeg.org/ffmpeg/trunk
19 years ago
Zuxy Meng
82eb4b0f1b
3DNow! & Extended 3DNow! versions of FFT
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Patch by Zuxy Meng, zuxy <<dot>> meng >>at<< gmail <<dot>> com
Minor non-functional diff-related fixes by me.
Originally committed as revision 5125 to svn://svn.ffmpeg.org/ffmpeg/trunk
19 years ago
Loren Merritt
ef9d1d1575
h264: special case dc-only idct. ~1% faster overall
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Originally committed as revision 4971 to svn://svn.ffmpeg.org/ffmpeg/trunk
19 years ago
Steve L'Homme
68b51e58ce
MSVC-compatible __align8/__align16 declaration
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patch by Steve Lhomme, steve .dot. lhomme .at. free .dot. fr
Originally committed as revision 4942 to svn://svn.ffmpeg.org/ffmpeg/trunk
19 years ago
Diego Biurrun
5509bffa88
Update licensing information: The FSF changed postal address.
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Originally committed as revision 4842 to svn://svn.ffmpeg.org/ffmpeg/trunk
19 years ago
Loren Merritt
e8b562087d
tweak h264_biweight
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Originally committed as revision 4835 to svn://svn.ffmpeg.org/ffmpeg/trunk
19 years ago
Michael Niedermayer
80e44bc3bf
use h264 MC functions for 2xX Xx2 blocks in snow too
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Originally committed as revision 4824 to svn://svn.ffmpeg.org/ffmpeg/trunk
19 years ago
Michael Niedermayer
27c61ac53d
8x8 integer dct from x264 as cmp function (under CONFIG_GPL)
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if this gives better quality then SATD then someone should port the x86 code too or maybe we could even just call it from libx264
the 4x4 one could be tried too ...
Originally committed as revision 4811 to svn://svn.ffmpeg.org/ffmpeg/trunk
19 years ago
Diego Biurrun
bb270c0896
COSMETICS: tabs --> spaces, some prettyprinting
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Originally committed as revision 4764 to svn://svn.ffmpeg.org/ffmpeg/trunk
19 years ago
Diego Biurrun
115329f160
COSMETICS: Remove all trailing whitespace.
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Originally committed as revision 4749 to svn://svn.ffmpeg.org/ffmpeg/trunk
19 years ago
Diego Biurrun
7df6545556
Move lrintf implementation from libavcodec/dsputil.h to libavutil/common.h
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where it makes more sense.
Originally committed as revision 4599 to svn://svn.ffmpeg.org/ffmpeg/trunk
19 years ago
Gildas Bazin
eba9ae3cfc
IWMMXT configure support + runtime selection patch by (Gildas Bazin, gbazin : altern org)
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Originally committed as revision 4409 to svn://svn.ffmpeg.org/ffmpeg/trunk
20 years ago
Loren Merritt
36940eca76
H.264 lossless mode
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Originally committed as revision 4381 to svn://svn.ffmpeg.org/ffmpeg/trunk
20 years ago
Loren Merritt
43efd19a88
decode H.264 with 8x8 transform.
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deblocking is still incorrect with 8x8+cavlc
Originally committed as revision 4339 to svn://svn.ffmpeg.org/ffmpeg/trunk
20 years ago
Michael Niedermayer
14ee9d1539
remove unused vp3 related function pointers
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Originally committed as revision 4293 to svn://svn.ffmpeg.org/ffmpeg/trunk
20 years ago
Loren Merritt
5cf08f2393
H.264 deblocking optimizations (mmx for chroma_bS4 case, convert existing cases to 8-bit math)
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Originally committed as revision 4271 to svn://svn.ffmpeg.org/ffmpeg/trunk
20 years ago
Michael Niedermayer
5773a74669
porting the mmx&sse2 (sse2 untested) vp3 idcts to the lavc idct API
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Originally committed as revision 4260 to svn://svn.ffmpeg.org/ffmpeg/trunk
20 years ago
Michael Niedermayer
8b6103da0f
porting vp3 idct over to lavc idct api
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Originally committed as revision 4257 to svn://svn.ffmpeg.org/ffmpeg/trunk
20 years ago
Loren Merritt
42251a2a4f
MMX for H.264 deblocking filter
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Originally committed as revision 4158 to svn://svn.ffmpeg.org/ffmpeg/trunk
20 years ago
Loren Merritt
9f2d1b4ff5
H.264 weighted prediction.
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Bidirectional weighting has not been tested for bitwise accuracy, but looks correct.
Originally committed as revision 3811 to svn://svn.ffmpeg.org/ffmpeg/trunk
20 years ago
Michael Niedermayer
e42a152bbc
x86 cpu capabilities detection rewrite / cleanup
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Originally committed as revision 3750 to svn://svn.ffmpeg.org/ffmpeg/trunk
20 years ago
Michael Niedermayer
0fd6aea1f1
more flexible frame skip decission
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Originally committed as revision 3743 to svn://svn.ffmpeg.org/ffmpeg/trunk
20 years ago
Michael Niedermayer
3237f73183
stride align cleanup
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Originally committed as revision 3640 to svn://svn.ffmpeg.org/ffmpeg/trunk
20 years ago
Michael Niedermayer
0fa8158d3e
move h264 idct to its own file and call via function pointer in DspContext
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allow h264 idct to be used for lowres=1
Originally committed as revision 3524 to svn://svn.ffmpeg.org/ffmpeg/trunk
20 years ago
Michael Niedermayer
1aa8c57b4a
1/8 resolution decoding
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Originally committed as revision 3511 to svn://svn.ffmpeg.org/ffmpeg/trunk
20 years ago
Michael Niedermayer
9ca358b951
1/4 resolution decoding
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Originally committed as revision 3509 to svn://svn.ffmpeg.org/ffmpeg/trunk
20 years ago
Michael Niedermayer
178fcca848
1/2 resolution decoding
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Originally committed as revision 3507 to svn://svn.ffmpeg.org/ffmpeg/trunk
20 years ago
Michael Niedermayer
91d6655aa7
lrintf emulation improvments
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Originally committed as revision 3412 to svn://svn.ffmpeg.org/ffmpeg/trunk
21 years ago
Michael Niedermayer
26efc54e4a
4x4 SSE compare function
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wavelet based compare functions
make epzs_motion_search() more flexible so it can be used for a wider range of block sizes
make get_penalty_factor() independant of MpegEncContext
Originally committed as revision 3410 to svn://svn.ffmpeg.org/ffmpeg/trunk
21 years ago
Michael Niedermayer
f2e92ef291
increase size of crop table
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Originally committed as revision 3243 to svn://svn.ffmpeg.org/ffmpeg/trunk
21 years ago
Michael Niedermayer
dbc56b3914
chroma me fix
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Originally committed as revision 3216 to svn://svn.ffmpeg.org/ffmpeg/trunk
21 years ago