| Commit message (Collapse) | Author | Age | Files | Lines |
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Cleanup and integration by Diego Biurrun.
Signed-off-by: Diego Biurrun <diego@biurrun.de>
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This allows sharing them with the DCA XLL extension w/o duplication.
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Signed-off-by: Diego Biurrun <diego@biurrun.de>
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Also include zero in the table, eliminating a special case in the
decoder.
Signed-off-by: Niels Möller <nisse@southpole.se>
Signed-off-by: Anton Khirnov <anton@khirnov.net>
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The scaling factor is constant so it is faster to scale the
FIR coefficients in the tables during compilation.
Signed-off-by: Janne Grunau <janne-libav@jannau.net>
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Embedded downmix coefficients can use this.
Signed-off-by: Anton Khirnov <anton@khirnov.net>
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Previous coefficients were producing a non-normalized, incorrect Lt/Rt downmix.
The new coefficients produce a standard Lo/Ro downmix with 3dB attenuation.
This should match the typical default coefficients used by DTS encoders.
Signed-off-by: Anton Khirnov <anton@khirnov.net>
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As per ETSI TS 102 114 V1.4.1 specification.
Signed-off-by: Anton Khirnov <anton@khirnov.net>
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It was based on an old, seemingly incorrect specification, so default
coefficients were always used anyway.
Signed-off-by: Anton Khirnov <anton@khirnov.net>
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Easier to read, modify, and avoids relying on an outdated table.
Signed-off-by: Anton Khirnov <anton@khirnov.net>
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Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
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Signed-off-by: Mans Rullgard <mans@mansr.com>
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Signed-off-by: Mans Rullgard <mans@mansr.com>
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Signed-off-by: Mans Rullgard <mans@mansr.com>
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Passing an explicit filename to this command is only necessary if the
documentation in the @file block refers to a file different from the
one the block resides in.
Originally committed as revision 22921 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 22862 to svn://svn.ffmpeg.org/ffmpeg/trunk
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This reorders the lfe_fir tables, and drops the mirrored half,
such that the loops in lfe_interpolation_fir() can be simplified.
The new loop structure should be easier to implement with SIMD.
Static data size is reduced by 2kB.
3% faster on Cortex-A8.
Originally committed as revision 22849 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 22838 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Optimised implementations of the synth filter will require these
arrays 16-byte aligned.
Originally committed as revision 22826 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Otherwise doxygen complains about ambiguous filenames when files exist
under the same name in different subdirectories.
Originally committed as revision 16912 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 16811 to svn://svn.ffmpeg.org/ffmpeg/trunk
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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
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Patch by Alexander Patrakov ($lastname <whirlpool> gmail.com)
Thread: dcadata.h: fir_32bands_perfect[] is wrong
Originally committed as revision 14964 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 11138 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 10765 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 9356 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 9345 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 9344 to svn://svn.ffmpeg.org/ffmpeg/trunk
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reference:
Subject: [Ffmpeg-devel] [PATCH] DTS multichannel
Date: Wed, 25 Apr 2007 16:25:18 -0400
Originally committed as revision 8875 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 8144 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 8141 to svn://svn.ffmpeg.org/ffmpeg/trunk
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