Diego Biurrun
bd549cbaac
arm: dcadsp: Move synth filter initialization to dcadsp file
12 years ago
Martin Storsjö
b63bb251ea
arm: Add VFP-accelerated version of imdct_half
...
Before After
Mean StdDev Mean StdDev Change
This function 2653.0 28.5 1108.8 51.4 +139.3%
Overall 17049.5 408.2 15973.0 223.2 +6.7%
Signed-off-by: Martin Storsjö <martin@martin.st>
12 years ago
Ben Avison
41ef1d360b
arm: Add VFP-accelerated version of synth_filter_float
...
Before After
Mean StdDev Mean StdDev Change
This function 9295.0 114.9 4853.2 83.5 +91.5%
Overall 23699.8 397.6 19285.5 292.0 +22.9%
Signed-off-by: Martin Storsjö <martin@martin.st>
12 years ago
Carl Eugen Hoyos
cf36180143
Only set accelerated arm fft functions if fft is enabled.
...
Fixes lavc compilation (linking) for configurations without fft.
Reported-by: tyler wear
Tested-by: Gavin Kinsey
12 years ago
Mans Rullgard
d526c5338d
ARM: allow runtime masking of CPU features
...
This allows masking CPU features with the -cpuflags avconv option
which is useful for testing different optimisations without rebuilding.
Signed-off-by: Mans Rullgard <mans@mansr.com>
13 years ago
Felipe Contreras
c3d5e290ca
ARM: fix build with FFT enabled and MDCT disabled
...
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Mans Rullgard <mans@mansr.com>
13 years ago
Mans Rullgard
0aded9484d
Move dct and rdft definitions to separate files
...
This leaves fft.h with only the core FFT and MDCT definitions
thus making it more managable.
Signed-off-by: Mans Rullgard <mans@mansr.com>
14 years ago
Mans Rullgard
2912e87a6c
Replace FFmpeg with Libav in licence headers
...
Signed-off-by: Mans Rullgard <mans@mansr.com>
14 years ago
Loren Merritt
11ab1e409f
FFT: factor a shuffle out of the inner loop and merge it into fft_permute.
...
6% faster SSE FFT on Conroe, 2.5% on Penryn.
Signed-off-by: Janne Grunau <janne-ffmpeg@jannau.net>
(cherry picked from commit e6b1ed693a
)
14 years ago
Loren Merritt
e6b1ed693a
FFT: factor a shuffle out of the inner loop and merge it into fft_permute.
...
6% faster SSE FFT on Conroe, 2.5% on Penryn.
Signed-off-by: Janne Grunau <janne-ffmpeg@jannau.net>
14 years ago
Justin Ruggles
a8ae4e0e7b
Remove unneeded add bias from 3 functions.
...
DSPContext.vector_fmul_window()
DCADSPContext.lfe_fir()
SynthFilterContext.synth_filter_float()
Signed-off-by: Mans Rullgard <mans@mansr.com>
(cherry picked from commit 80ba1ddb58
)
14 years ago
Justin Ruggles
80ba1ddb58
Remove unneeded add bias from 3 functions.
...
DSPContext.vector_fmul_window()
DCADSPContext.lfe_fir()
SynthFilterContext.synth_filter_float()
Signed-off-by: Mans Rullgard <mans@mansr.com>
14 years ago
Måns Rullgård
e73d1a5efc
ARM: NEON optimised synth_filter_float
...
2.7x faster DCA decoding on Cortex-A8
Originally committed as revision 22828 to svn://svn.ffmpeg.org/ffmpeg/trunk
15 years ago
Måns Rullgård
a8bb9ea532
ARM: NEON optimised RDFT
...
Originally committed as revision 22641 to svn://svn.ffmpeg.org/ffmpeg/trunk
15 years ago
Måns Rullgård
1429224b04
Move FFT parts from dsputil.h to fft.h
...
Originally committed as revision 22235 to svn://svn.ffmpeg.org/ffmpeg/trunk
15 years ago
Måns Rullgård
f7a3b6030c
ARM: interleave cos/sin tables for improved NEON MDCT
...
Originally committed as revision 19940 to svn://svn.ffmpeg.org/ffmpeg/trunk
15 years ago
Måns Rullgård
01b2214758
Merge FFTContext and MDCTContext
...
Originally committed as revision 19931 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Måns Rullgård
f486321395
Move per-arch fft init bits into the corresponding subdirs
...
Originally committed as revision 19864 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Måns Rullgård
60c703ac4b
ARM: START/STOP_TIMER support for ARMv7
...
Originally committed as revision 18305 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Måns Rullgård
439ccc4e0e
Split libavutil/timer.h per architecture
...
Originally committed as revision 18304 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Stefano Sabatini
987903826b
Globally rename the header inclusion guard names.
...
Consistently apply this rule: the guard name is obtained from the
filename by stripping the leading "lib", converting '/' and '.' to
'_' and uppercasing the resulting name. Guard names in the root
directory have to be prefixed by "FFMPEG_".
Originally committed as revision 15120 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Diego Biurrun
5b21bdabe4
Add FFMPEG_ prefix to all multiple inclusion guards.
...
Originally committed as revision 10765 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Måns Rullgård
99545457bf
include all prerequisites in header files
...
Originally committed as revision 9344 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'
...
and fix GPL/LGPL version mismatches.
Originally committed as revision 6577 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Diego Biurrun
04d7f60143
Add official LGPL license headers to the files that were missing them.
...
Originally committed as revision 6219 to svn://svn.ffmpeg.org/ffmpeg/trunk
19 years ago
Måns Rullgård
4dddc5e10c
kill warnings
...
Originally committed as revision 5585 to svn://svn.ffmpeg.org/ffmpeg/trunk
19 years ago
Ivo van Poorten
93d6aeb0a4
add missing declaration for av_md5_sum
...
Originally committed as revision 5583 to svn://svn.ffmpeg.org/ffmpeg/trunk
19 years ago
Michael Niedermayer
94d85eaf34
md5 support
...
depending on CONFIG_SMALL this can either be compiled to a fully unrolled kernel / rfc reference style md5 routine
or a single loop similar to what mplayer uses
Originally committed as revision 5565 to svn://svn.ffmpeg.org/ffmpeg/trunk
19 years ago