Lu Wang
8815a7719e
avcodec/la: Add LSX optimization for h264 chroma and intrapred.
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./configure --disable-lasx
ffmpeg -i 1_h264_1080p_30fps_3Mbps.mp4 -f rawvideo -y /dev/null -an
before: 199fps
after: 214fps
Reviewed-by: Shiyou Yin <yinshiyou-hf@loongson.cn>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2 years ago
Hao Chen
df46d7cb49
avcodec: [loongarch] Optimize pred16x16_plane with LASX.
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./ffmpeg -i ../1_h264_1080p_30fps_3Mbps.mp4 -f rawvideo -y /dev/null -an
before:295
after :296
Change-Id: I281bc739f708d45f91fc3860150944c0b8a6a5ba
Reviewed-by: Shiyou Yin <yinshiyou-hf@loongson.cn>
Reviewed-by: guxiwei <guxiwei-hf@loongson.cn>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
3 years ago
Michael Niedermayer
e16bac7b33
videodsp: Fix project name
...
These are all part of splited out dsp utils from FFmpeg
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Luca Barbato
6906b19346
lavc: add missing files for arm
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Across the many retouches those did not make the main commit.
12 years ago
Mans Rullgard
a839d6abf8
ARM: fix float_dsp breakage from d5a7229
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Signed-off-by: Mans Rullgard <mans@mansr.com>
13 years ago
Justin Ruggles
d5a7229ba4
Add a float DSP framework to libavutil
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Move vector_fmul() from DSPContext to AVFloatDSPContext.
13 years ago
Michael Niedermayer
72fc4f0cce
gsm.h: Fix project reference
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The code in this file is copy and pasted from FFmpegs libavcodec/libgsm.c
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
Justin Ruggles
82390f57d1
avcodec: add GSM parser
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The WAVE demuxer returns packets with many blocks per frame, which needs to be
parsed into single blocks. This has a side-effect of fixing the timestamps.
13 years ago
Mans Rullgard
2912e87a6c
Replace FFmpeg with Libav in licence headers
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Signed-off-by: Mans Rullgard <mans@mansr.com>
14 years ago
Diego Biurrun
a6493a8fbd
Rename libavcodec/i386/ --> libavcodec/x86/.
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It contains optimizations that are not specific to i386 and
libavutil uses this naming scheme already.
Originally committed as revision 16270 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Loren Merritt
5d0ddd1a9f
split-radix FFT
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c is 1.9x faster than previous c (on various x86 cpus), sse is 1.6x faster than previous sse.
Originally committed as revision 14698 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Diego Biurrun
245976da2a
Use full path for #includes from another directory.
...
Originally committed as revision 13098 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Ramiro Polla
40d0e665d0
Do not misuse long as the size of a register in x86.
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typedef x86_reg as the appropriate size and use it instead.
Originally committed as revision 13081 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Ronald S. Bultje
b550bfaa61
Add libavcodec to compiler include flags in order to simplify header
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include paths in the source files.
mostly from a patch by Ronald S. Bultje, rbultje ronald.bitfreak net
Originally committed as revision 9034 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Diego Biurrun
b78e7197a8
Change license headers to say 'FFmpeg' instead of 'this program/this library'
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and fix GPL/LGPL version mismatches.
Originally committed as revision 6577 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Loren Merritt
1e4ecf26f5
ff_fft_calc_3dn/3dn2/sse: convert intrinsics to inline asm.
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2.5% faster fft, 0.5% faster vorbis.
Originally committed as revision 6023 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