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Based on two dense layers with a GRU layer in the middle
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SILK was being allocated too few bits for stereo hybrid, often resulting
in forced narrowing of the width. We now allocate more bits to SILK
and reduce the threshold for narrowing. This improves quality enough that
the bitrate threshold for switching to SILK can be increased to 44 kb/s.
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|frame_size_enum| in tests/test_opus_encode.cl:117 is flagged as potentially
uninitialized but get_frame_size_enum() will fail anyway if a valid value is
not found.
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Migrating opus-codec.org to a static site generator inserted
a redirect into the download path, which the actual testvectors
at https://opus-codec.org/static/testvectors/opus_testvectors.tar.gz.
Add the -L option to the suggested curl invocation so the redirect
is followed to download the actual resource. Without this one
gets the html redirection fallback page.
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Signed-off-by: Felicia Lim <flim@google.com>
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The new detector for SWB vs FB is unreliable due to the hack
that was required to get 24 kHz analysis working. We're now err
on the side of FB just to make sure.
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Uniform layout is easier for external tools to parse,
especially maintaining one source file per line.
Signed-off-by: Jean-Marc Valin <jmvalin@jmvalin.ca>
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Allows spaces in path arguments
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Both versions of silk/tables_NLSF_CB had symbols
named silk_NLSF_CB1_Wght_Q9 which causes problems
if both files are build as part of the same
compilation unit. Rename the wideband version
to include a 'WB' string to avoid the conflict.
Signed-off-by: Jean-Marc Valin <jmvalin@jmvalin.ca>
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Call celt_inner_prod_neon() and remove redundant code.
Change-Id: I980e94330ae75c10297b9035fac221515aee144f
Signed-off-by: Jean-Marc Valin <jmvalin@jmvalin.ca>
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The floating-point optimizations are not bit exact with C functions,
because of the different orders of floating-point operations.
But they are bit exact with the simulation C functions which simulate
the floating operations in the optimizations.
Change-Id: I149fda5b602fd5712b16fc8983df3c6c0c9e76ad
Signed-off-by: Jean-Marc Valin <jmvalin@jmvalin.ca>
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This optimization is bit exact with C functions.
Change-Id: Ia9ce6dd3c20d2f56dbd43ddc02d1a6fd6554608d
Signed-off-by: Jean-Marc Valin <jmvalin@jmvalin.ca>
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Should call celt_inner_prod().
This requires the API change of celt_pitch_xcorr() by passing in
"arch".
We tested on x86 and arm, and got bit exact results as original.
Change-Id: I606915da6a196f327ce81f4a5ae32811f4c1fabb
Signed-off-by: Jean-Marc Valin <jmvalin@jmvalin.ca>
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Should call celt_inner_prod().
This change is bit exact as original, except for x86 floating-point.
In x86 floating-point, it calls celt_inner_prod_sse() which may have
different output with the change of floating-point operations' orders.
Change-Id: Ia2381e2e198a84296ac28305183f15be842b3454
Signed-off-by: Jean-Marc Valin <jmvalin@jmvalin.ca>
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This was sometimes causing the music probability to be stuck at
zero at the beginning of files
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It's unnecessary, and isn't defined correctly on floating-point.
This makes us correctly use Neon functions (in floating-point mode) on
platforms where Neon is detected by RTCD.
Signed-off-by: Timothy B. Terriberry <tterribe@xiph.org>
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We boost bands that either cause leakage or are filled with leakage
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Now scaling the energy to the same value is would be in floating-point
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It seems like letting CBR use up to 2/3 of the bit is still a win
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Thanks to petrufm for pointing that out:
https://github.com/xiph/opus/issues/35
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This makes it possible to run the testvectors with asan enabled.
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We now include the object files for those rather than attempt to
problems.
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And run the build request only at the last configuration.
Also add a check if api_key is unset to not try to request a new build.
Signed-off-by: Ralph Giles <giles@thaumas.net>
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The appveyor script needs an encrypted api key to trigger
downstream builds, and there doesn't seem to be an easy
way to make the builds we run for the main repo something
other contributors can control.
Signed-off-by: Ricardo Constantino <wiiaboo@gmail.com>
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Using my API key for now, but needs rillian's to work.
Signed-off-by: Ralph Giles <giles@thaumas.net>
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Artifact with preserved paths is more useful for CI.
Signed-off-by: Ralph Giles <giles@thaumas.net>
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Less clutter on systems that hide dotfiles.
Signed-off-by: Ralph Giles <giles@thaumas.net>
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The code would have run fine on 32-bit archs, but would have overflowed
on a 16-bit arch
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Some informal tests seem to confirm that reducing the trim at 32-64 kbps
improves quality (better HF). It's not clear whether it's also the case
at 96 kb/s and above, so we're leaving it as is for those rates.
This corresponds to buildC in this thread:
https://hydrogenaud.io/index.php/topic,113985.0.html
Also see:
https://hydrogenaud.io/index.php/topic,111798.0.html
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Change-Id: I607a8b75b0711a485384d6f854cf6e2ec18b38b7
Signed-off-by: Jean-Marc Valin <jmvalin@jmvalin.ca>
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