| Commit message (Collapse) | Author | Age | Files | Lines |
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* commit '92db5083077a8b0f8e1050507671b456fd155125':
build: Generate pkg-config files from Make and not from configure
build: Store library version numbers in .version files
Includes cherry-picked commits 8a34f3659371680ca523aecfd9098c28f0f809eb and
ee164727dd64c199b87118917e674b17c25e0da3 to fix issues.
Changes were also made to retain support for raise_major and build_suffix.
Reviewed-by: ubitux
Merged-by: James Almer <jamrial@gmail.com>
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* commit '11a9320de54759340531177c9f2b1e31e6112cc2':
build: Move build-system-related helper files to a separate subdirectory
"ffbuild" directory name is used instead of "avbuild".
Merged-by: Clément Bœsch <u@pkh.me>
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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Fixes memleak.
Reviewed-by: wm4 <nfxjfg@googlemail.com>
Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: James Almer <jamrial@gmail.com>
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Also make it more readable while at it.
Signed-off-by: James Almer <jamrial@gmail.com>
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benchmark:
sse2 10.670s
avx 8.763s
fma3 8.380s
Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>
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use fltp when doing s32 -> s32 resampling
because s32p has no simd optimization
benchmark:
old 17.913s
new 7.584s (use fma3)
Reviewed-by: wm4 <nfxjfg@googlemail.com>
Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>
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when set_compensation is called with zero sample_delta,
compensation does not happen (because dst_incr == ideal_dst_incr)
but compensation_distance is set
regression since 01ebb57c03abde89bca7bdbc552917efcb8f551d
Found-by: wm4 <nfxjfg@googlemail.com>
Reviewed-by: wm4 <nfxjfg@googlemail.com>
Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>
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better quality without speedloss
Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>
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so tsf option in aresample will have effect
previously tsf/internal_sample_format had no effect
fate is updated
s32p previously used fltp internally
dblp previously used fltp/dblp internally
Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>
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except filter_length == 1
odd filter_length gives worse frequency response,
even when compared with shorter filter_length
also makes build_filter simpler
Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>
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this gives better frequency response
update swresample fate and other fates
that depend on resampling
Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>
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Fixes undefined behaviour and a gcc warning:
libswresample/rematrix.c:376:47: warning: iteration 64 invokes undefined behavior
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integrate it inside multiple_resample
allow some calculations to be performed outside loop
Suggested-by: Michael Niedermayer <michael@niedermayer.cc>
Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>
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This should fix Ticket6012
Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>
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This is faster 2871 -> 2189 cycles for int16 matrixbench -> 23456hz
Fixes a integer overflow in a artificial corner case
Fixes part of 668007-media
Found-by: Matt Wolenetz <wolenetz@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Fixes undefined operation
Fixes part of 668007-media
Found-by: Matt Wolenetz <wolenetz@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>
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give very bad quality for soxr resampler.
linear_interp is intended for using linear interpolation
between filter bank so quality will be better.
i guess this is misunderstood as 'do not use filter bank,
but directly interpolate linearly between samples'.
Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>
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separate dsp.resample to dsp.resample_common and dsp.resample_linear
and choose to call faster resample_common even when linear_interp=on
when c->frac and c->dst_incr_mod are both zero
speed up resampling when exact_rational and linear_interp are both
enabled because exact_rational force c->frac and c->dst_incr_mod to
be zero when soft compensation does not happen
benchmark on exact_rational=on:linear_interp=on
old new
real 8.432s 5.097s
user 7.679s 4.989s
sys 0.125s 0.107s
Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>
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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Fixes Ticket #5897.
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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return AVERROR code on error
Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>
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Found-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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API and Doxy documentation is taken from avresample_build_matrix()
Fixes: Ticket5780
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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* commit '535a742c2695a9e0c586b50d7fa76e318232ff24':
build: Change structure of the linker version script templates
Merged-by: Matthieu Bouron <matthieu.bouron@stupeflix.com>
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* commit 'a6a750c7ef240b72ce01e9653343a0ddf247d196':
tests: Move all test programs to a subdirectory
Merged-by: Clément Bœsch <clement@stupeflix.com>
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phase_shift and phase_mask is removed
generally exact_rational=on is faster than exact_rational=off
Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>
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high phase_count is only useful when dst_incr_mod is non zero
in other word, it is only useful on soft compensation
on init, it will build filter with low phase_count
but when soft compensation is enabled, rebuild filter
with high phase_count
this approach saves lots of memory
Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>
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because exact_rational does not guarantee
that phase_count is even
Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>
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give high quality resampling
as good as with linear_interp=on
as fast as without linear_interp=on
tested visually with ffplay
ffplay -f lavfi "aevalsrc='sin(10000*t*t)', aresample=osr=48000, showcqt=gamma=5"
ffplay -f lavfi "aevalsrc='sin(10000*t*t)', aresample=osr=48000:linear_interp=on, showcqt=gamma=5"
ffplay -f lavfi "aevalsrc='sin(10000*t*t)', aresample=osr=48000:exact_rational=on, showcqt=gamma=5"
slightly speed improvement
for fair comparison with -cpuflags 0
audio.wav is ~ 1 hour 44100 stereo 16bit wav file
ffmpeg -i audio.wav -af aresample=osr=48000 -f null -
old new
real 13.498s 13.121s
user 13.364s 12.987s
sys 0.131s 0.129s
linear_interp=on
old new
real 23.035s 23.050s
user 22.907s 22.917s
sys 0.119s 0.125s
exact_rational=on
real 12.418s
user 12.298s
sys 0.114s
possibility to decrease memory usage if soft compensation is ignored
Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>
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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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of the matrix
This fixes the sum of the integer coefficients ending up summing to a value
larger than the value representing unity.
This issue occurs with qN0.dts when converting to stereo
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Found-by: wm4
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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