Michael Niedermayer
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c0e3b46118
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swresample: add av_cold to init functions
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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2015-02-21 00:33:09 +01:00 |
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Michael Niedermayer
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c77cc2c176
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swresample/dither: Cleanup number suffixes
The <<31 case needs LL
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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2015-02-01 20:00:10 +01:00 |
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Michael Niedermayer
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a5290cb1ac
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swresample/dither: use av_malloc_array()
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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2014-04-08 00:29:20 +02:00 |
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Michael Niedermayer
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6bc4e36ba7
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swr: set scale for 32->32/24 dither
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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2013-06-05 03:06:34 +02:00 |
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Michael Niedermayer
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8b3affda87
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swr: support a seperate output sample bits.
This avoids user apps having to mangle dither scale. for pcm24
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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2013-02-24 20:31:56 +01:00 |
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Michael Niedermayer
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55d0528669
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swr/dither: fix division by 0
Found-by: Daemon404
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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2013-01-14 02:57:00 +01:00 |
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Michael Niedermayer
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e5a736261b
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swr: Use a temporary buffer for dither/Noise shaping when the input is read only
This avoids copying the input
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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2013-01-10 18:51:30 +01:00 |
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Michael Niedermayer
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2672b2c1d2
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swr: scale data down in noise shaping to avoid cliping
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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2013-01-10 01:44:15 +01:00 |
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Michael Niedermayer
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0b60fc94aa
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swr: reorder the operations in the noise shaping code
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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2013-01-10 00:27:04 +01:00 |
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Michael Niedermayer
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ead3a2a37e
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swr: add noise_scale field to seperate it from the noise shaping scales
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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2013-01-10 00:25:09 +01:00 |
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Michael Niedermayer
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6908ded20e
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swr: fix the noise sample type for noise shaping
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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2013-01-09 23:28:09 +01:00 |
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Michael Niedermayer
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3ef06f3415
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swr: split swri_dither_init() out
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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2013-01-09 23:28:08 +01:00 |
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Michael Niedermayer
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3ab1970612
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swr: move dither related fields to their own context
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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2013-01-09 18:41:12 +01:00 |
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Michael Niedermayer
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ba1314c2ef
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swr: update copyright years of a few files iam working on
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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2013-01-09 18:30:01 +01:00 |
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Michael Niedermayer
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82742294b7
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swr: Implement Noise shaping dither
The following variants are implemented:
lipshitz noise shaping dither
shibata noise shaping dither
low shibata noise shaping dither
high shibata noise shaping dither
f-weighted noise shaping dither
modified-e-weighted noise shaping dither
improved-e-weighted noise shaping dither
Data tables taken from SOX
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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2013-01-09 18:25:06 +01:00 |
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Michael Niedermayer
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edbde52226
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swr: change sample format representation so as to maintain the planer/packed distinction.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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2012-04-28 13:02:58 +02:00 |
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Michael Niedermayer
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c1d404b9e4
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swr: add a dither_scale parameter to tune the amplitude of the dither.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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2012-04-11 13:44:48 +02:00 |
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Michael Niedermayer
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a2c92e6063
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swr: pass context to swri_get_dither()
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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2012-04-11 13:44:15 +02:00 |
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Michael Niedermayer
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f8a237a307
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swr: add triangular highpass dither
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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2012-04-11 13:27:22 +02:00 |
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Michael Niedermayer
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b1ef4dc406
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swr: add triangular dither support
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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2012-04-10 21:18:33 +02:00 |
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Michael Niedermayer
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db2eadb2f5
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swr: add dither support.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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2012-04-10 19:54:41 +02:00 |
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