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288ba84939
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131 Commits

Author SHA1 Message Date
Max Kellermann
288ba84939 pcm/SoxrResampler: fix indent 2015-01-21 19:47:14 +01:00
Max Kellermann
712ed555e6 Copyright year 2015 2015-01-01 19:48:13 +01:00
Max Kellermann
412bedb697 Merge branch 'v0.19.x' 2014-12-26 14:40:32 +01:00
Max Kellermann
163597ef69 db/simple: fix implicit nullptr/bool conversion 
Return false on error, not nullptr.
 2014-12-26 14:34:03 +01:00
Max Kellermann
b3f5b4932c configure.ac: add macro MPD_ENABLE_AUTO_PKG 
Simplify the definition of many build options.
 2014-11-21 22:19:57 +01:00
Max Kellermann
8d036c4b7c pcm/SoxrResampler: round output buffer size up 
The old formula calculates the output buffer size with "regular"
rounding (to the nearest integer), however sometimes, that is
insufficient and the last sample cannot be resampled.  This causes
audible distortions.  By changing the formula to consider the worst
case (always round up), this problem is eliminated.
 2014-11-10 22:52:17 +01:00
Max Kellermann
220f957cd8 pcm/ChannelsConverter: fix variable used to generate error message 
Use the "_format" parameter instead of the (uninitialized) "format"
attribute.
 2014-10-23 22:44:53 +02:00
Max Kellermann
8ce48d83eb pcm/FormatConverter: move check to Open() 
Report unsupported format while opening the filter, not later when the
first conversion takes place.
 2014-10-23 22:42:08 +02:00
Max Kellermann
200cdb6b0a pcm/PcmConvert: assign {src,dest}_format at the end 
Fixes assertion failure in destructor by not assigning
{src,dest}_format when an error occurs.
 2014-10-23 22:39:51 +02:00
Max Kellermann
d9fb40203a pcm/PcmConvert: make AudioFormat parameters "const" 2014-10-23 22:39:51 +02:00
Max Kellermann
3120958a17 pcm: --disable-dsd also disables the dsd2pcm library 2014-09-26 12:17:47 +02:00
Max Kellermann
052726ed50 PcmConvert: eliminate unused local variable "format" 2014-09-26 12:17:37 +02:00
Max Kellermann
e5a28bfd8d output/alsa, pcm: rename "DSD over USB" to "DoP" 
The standard has been renamed since the early draft that was
implemented in MPD.
 2014-08-31 16:12:26 +02:00
Max Kellermann
b373c53ce4 *: add missing Compiler.h includes 
Necessary for "final" on gcc 4.6.
 2014-08-30 00:46:52 +02:00
Max Kellermann
9e10b75f55 PcmExport: remove obsolete API documentation 2014-08-26 07:10:16 +02:00
Max Kellermann
fa82264604 pcm/PcmDsd: remove "lsbfirst" support 
Unused.  Bit reversing is done in the decoder.
 2014-08-23 14:46:34 +02:00
Max Kellermann
ae467aa42e pcm/dsd2pcm: add license headers 
Obtained from the Mercurial repository at
https://code.google.com/p/dsd2pcm/
 2014-08-23 14:42:23 +02:00
Max Kellermann
2722211ba3 pcm/SoxrResampler: add missing string.h include 2014-08-16 08:25:06 +02:00
Max Kellermann
b44957ad91 PcmExport: add missing <iterator> include 
For the range-based loop on a ConstBuffer object.
 2014-08-13 13:00:37 +02:00
Max Kellermann
069895d26b PcmDsdUsb: use class ConstBuffer 2014-08-12 22:21:24 +02:00
Max Kellermann
0e756e4377 PcmExport: use class ConstBuffer 2014-08-12 22:19:53 +02:00
Max Kellermann
56f61a6d59 PcmConvert: Convert() returns ConstBuffer 2014-08-12 16:36:07 +02:00
Max Kellermann
37d6cc07a7 pcm: use nullptr instead of NULL 2014-07-30 18:44:20 +02:00
Max Kellermann
74a05a7f53 pcm/Neon: explicit rounding 
Convert to 31 bit first, then right-shift with rounding to 16 bit.
 2014-03-19 06:54:06 +01:00
Max Kellermann
b55e1dcb5e pcm/Neon: make neon_x4_b() variadic 2014-03-16 09:30:50 +01:00
Max Kellermann
6f4775a8ee pcm/Neon: apply bit shift during float->int conversion 
Avoid multiplication.  This is a speedup of 20%.
 2014-03-16 09:05:30 +01:00
Max Kellermann
5696f91a1e pcm/PcmFormat: ARM NEON optimizations for float->s16 
This is nearly 4 times faster than the "portable" algorithm.
 2014-03-15 11:41:01 +01:00
Max Kellermann
bb6ee71f08 pcm/PcmFormat: don't use WritableBuffer 
The previous commit eliminated the need for that.
 2014-03-14 23:23:16 +01:00
Max Kellermann
0d0642fd67 pcm/PcmFormat: instantiate FloatToInteger<S32> 
.. instead of reusing FloatToInteger<S24> and converting from S24 to
S32 in-place.
 2014-03-14 23:21:20 +01:00
Max Kellermann
08e6cf3dd2 pcm/PcmFormat: eliminate more duplicate code with templates 
Refactor the conversion functions to classes and pass an instance to
the new function AllocateConvert().
 2014-03-14 20:54:09 +01:00
Max Kellermann
044134eba0 pcm/PcmFormat: eliminate local variable "bits" 2014-03-14 20:53:22 +01:00
Max Kellermann
9fa6fa522e pcm/PcmFormat: remove obsolete AllocateFromFloat() overload 2014-03-14 20:53:14 +01:00
Max Kellermann
4ba7427fa0 util/{Const,Writable}Buffer: add operator[] 2014-03-01 07:49:13 +01:00
Max Kellermann
327cbf48f5 pcm/FallbackResampler: add missing ConstBuffer<T>::ToVoid() call 2014-02-06 23:48:01 +01:00
Max Kellermann
197b503f3e Config*: move to config/ 2014-01-24 00:20:01 +01:00
Chase Geigle
716bdc36fd pcm/SoxrResampler: Add configurable quality levels 2014-01-21 20:35:26 +01:00
Max Kellermann
a52cae1dba pcm/Volume: make DSD a no-op 
Kludge to work around DSD playback failure because the
ReplayGainFilterPlugin is always in the filter chain.
 2014-01-17 23:57:30 +01:00
Max Kellermann
4f83c60296 copyright year 2014 2014-01-13 22:31:55 +01:00
Max Kellermann
bd01d80ffc pcm/Utils: remove unused function pcm_end_pointer() 2014-01-07 00:46:47 +01:00
Max Kellermann
7eda72d440 pcm/Volume: use number of samples instead of end pointer 2014-01-07 00:42:02 +01:00
Max Kellermann
c75339edcc pcm/Format: change parameters/return values to ConstBuffer 2014-01-06 23:08:49 +01:00
Max Kellermann
b0b7244b3a pcm/Format: use number of samples instead of end pointer 2014-01-06 22:42:33 +01:00
Max Kellermann
92aa464edb pcm/Volume: remove unused function pcm_volume_dither() 2013-12-28 18:39:26 +01:00
Max Kellermann
da29298d4d pcm/PcmMix: improved dithering 
Use the existing PcmDither library.
 2013-12-28 18:30:27 +01:00
Max Kellermann
afcf0795c4 pcm/Volume: improved dithering 
Instead of just adding a rectangular random value before shifting back
to the normal scale, use the existing PcmDither library.
 2013-12-28 18:30:24 +01:00
Max Kellermann
394e2815db pcm/PcmDither: inline Dither24To16() and Dither32To16() 2013-12-28 18:30:13 +01:00
Max Kellermann
f3bbe4bb1f pcm/Volume: remove optimized i386 assembly 
This code is unable to dither.  Until we implement that, let's remove
the code for now.  i386 isn't relevant anymore anyway.
 2013-12-28 17:24:54 +01:00
Max Kellermann
2a3a18a283 pcm/Traits: use 32 bit integer for S8 long_type 
16 bit is not enough for volume calculations.
 2013-12-25 12:28:18 +01:00
Max Kellermann
431c80f4f0 pcm/Dither: add API documentation 2013-12-24 23:45:38 +01:00
Max Kellermann
9ac18c39a1 pcm/Dither: move shift from DitherConvert() to Dither() 
All callers need this shift, so let's move it to the basic method.
 2013-12-24 23:39:29 +01:00