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190 Commits

Author SHA1 Message Date
Max Kellermann
803b73a34b pcm/PcmPack: add pcm_unpack_24be() 2017-04-24 11:32:52 +02:00
Max Kellermann
b1512201ab pcm/PcmPack: remove obsolete code comment 2017-04-22 09:52:10 +02:00
Max Kellermann
424e9cbc43 pcm/PcmPack: simplify unpack_sample() 2017-04-22 09:28:54 +02:00
Max Kellermann
a931686317 pcm/SampleFormat: workaround for GCC 4.9 "constexpr" bug 
GCC 4.9 has incomplete C++14 support.  Specifically, it doesn't allow
switch/case in "constexpr" functions.
 2017-01-27 11:02:58 +01:00
Max Kellermann
df9a665994 pcm/Traits: add "SILENCE" attribute 2017-01-20 15:57:09 +01:00
Max Kellermann
7a098ca0ed pcm/Traits: add specialization for SampleFormat::DSD 2017-01-20 15:48:30 +01:00
Max Kellermann
33716732a1 pcm/PcmChannels: silence surround channels when converting from stereo 
Previously, there was no special code to convert stereo to
multi-channel.  The generic solution for this was to convert to mono,
and then copy the result to all channels.  That's a pretty bad
solution, but at least something which always renders audio.  MPD does
something, instead of failing.

Now that MPD has proper support for multi-channel (by defining the
channel order), we can do better than that.  It is a (somewhat) common
case to play back stereo music on a DAC which can only do
multi-channel.  The best approach here is to copy the stereo channels
to front-left and front-right, and apply the "silence" pattern to all
other channels.
 2017-01-19 10:53:41 +01:00
Max Kellermann
3f321ae9a0 pcm/SampleFormat: make the two inline functions "constexpr" 2017-01-17 22:52:09 +01:00
Max Kellermann
de3e0585f1 AudioFormat: move enum SampleFormat to pcm/SampleFormat.hxx 2017-01-17 22:01:01 +01:00
Max Kellermann
938affef32 pcm/export: support DSD_U16 2017-01-11 22:47:12 +01:00
Max Kellermann
a3c33000ee pcm/Dsd32: include cleanup 2017-01-11 22:47:12 +01:00
Max Kellermann
cc0dbcf3f4 pcm/Dsd32: fix the byte order 
The byte order of DSD_U32 was wrong from the start.  The oldest bits
must be in the MSB, not in the LSB, according to
snd_pcm_format_descriptions in alsa-lib.
 2017-01-11 22:25:54 +01:00
Max Kellermann
c5a2cadccc pcm/Export: convert to class, make members private 2017-01-11 21:48:43 +01:00
Max Kellermann
9aa43416b6 pcm/dop: remove unnecessary assertions 2017-01-11 21:48:43 +01:00
Max Kellermann
f32315d699 pcm/Export: remove obsolete gcc warning suppression 2017-01-11 20:31:48 +01:00
Max Kellermann
8b754b24b6 pcm/Buffer: update API documentation 2017-01-11 20:24:32 +01:00
Max Kellermann
78a73eac53 pcm/Export: add (dummy) method Cancel() 
We'll have some code for it soon.
 2017-01-11 15:41:28 +01:00
Max Kellermann
8088469eca pcm/Convert: add method Reset() 2017-01-11 15:30:30 +01:00
Max Kellermann
3dcb082015 pcm/Resampler: add method Reset() 
Hook for src_reset(), not yet used.
 2017-01-11 15:26:48 +01:00
Max Kellermann
bece023028 pcm/PcmDsd: move Dsd8To32() to Dsd32.cxx 2017-01-11 15:22:43 +01:00
Max Kellermann
9c4df66925 pcm/Export: halve the sample rate for DoP 
Move this sample rate fixup from the ALSA output plugin to PcmExport,
where it belongs.
 2017-01-11 10:33:23 +01:00
Max Kellermann
2b43ceb6c6 pcm/Export: DSD_U32 quarters the sample rate 
DSD_U32 packs four bytes instead of one large "sample", thus the
sample rate is one quarter of the input sample rate.  This fixes a
rather critical DSD_U32 playback problem.
 2017-01-11 10:14:41 +01:00
Max Kellermann
c143adba91 pcm/Export: add CalcOutputSampleRate(), CalcInputSampleRate() 
Prepare for DSD sample rate fixups.
 2017-01-10 23:48:26 +01:00
Max Kellermann
5900253b85 update copyright year 2017-01-03 20:48:59 +01:00
Max Kellermann
98a12c49dd pcm/Domain: remove obsolete source 2016-11-09 12:15:35 +01:00
Max Kellermann
5b2b4bf13c config/Param: use CamelCase 2016-10-28 11:38:37 +02:00
Max Kellermann
ae1eb9ccde pcm/Convert: migrate from class Error to C++ exceptions 2016-09-09 14:44:13 +02:00
Max Kellermann
b67e7df38e release v0.19.17 
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Merge tag 'v0.19.17'

release v0.19.17
 2016-07-09 00:46:09 +02:00
Max Kellermann
b8097eaf2e pcm/Volume: move silence pattern to Silence.cxx 2016-07-05 17:52:53 +02:00
Max Kellermann
ba8e579e9b pcm/Volume: use 0x69 to generate DSD silence 2016-07-01 21:22:21 +02:00
Max Kellermann
5c75096bcd pcm/Volume: remove assert() from destructor 
While this assert() was useful when we had to track the object's state
manually, there was no practical purpose other than verifying old
code, and it complicates our new C++ code.
 2016-07-01 21:04:24 +02:00
Max Kellermann
1aee89f5ea *: include cleanup (using iwyu) 2016-03-01 22:08:13 +01:00
Max Kellermann
5628dcf47e pcm/export: add #ifdef ENABLE_DSD to struct Params 2016-02-27 08:02:01 +01:00
Max Kellermann
fb4f02cd38 pcm/PcmExport: add flag to export to DSD_U32 2016-02-27 07:42:09 +01:00
Max Kellermann
d1be643c0d pcm/PcmDsd: add converter from DSD_U8 to DSD_U32 2016-02-27 07:41:58 +01:00
Max Kellermann
f0f3017a76 pcm/export: move Open() parameters to struct Params 2016-02-26 18:55:27 +01:00
Max Kellermann
d3f0b62348 pcm/export: another #ifdef ENABLE_DSD fix 2016-02-26 18:55:06 +01:00
Max Kellermann
dcaf299864 pcm/export: add #ifdef ENABLE_DSD 2016-02-26 18:44:23 +01:00
Max Kellermann
1d67aa7bf2 update copyright year to 2016 2016-02-26 17:54:05 +01:00
Max Kellermann
e56066f721 pcm/dsd: use PcmBuffer::GetT() 2016-02-26 17:41:18 +01:00
Max Kellermann
5e3844ac13 pcm/dsd: use MAX_CHANNELS 2016-02-26 17:41:06 +01:00
Max Kellermann
cb4f5d454b pcm/dsd: use std::array 2016-02-26 17:38:46 +01:00
Max Kellermann
15e432204e pcm/Order: new library to convert from FLAC to ALSA channel order 
This new library is integrated in the PcmExport class and (if enabled)
converts MPD's channel order (= FLAC channel order) to ALSA channel
order.

This fixes:
 http://bugs.musicpd.org/view.php?id=3147
and
 http://bugs.musicpd.org/view.php?id=3255
 2015-10-27 11:44:23 +01:00
Max Kellermann
b4fc2e38ab pcm/Interleave: add stereo optimization 2015-06-22 17:27:29 +02:00
Max Kellermann
16639f9d71 pcm/Interleave: instantiate a 16 bit optimization 2015-06-22 17:20:37 +02:00
Max Kellermann
22f2605e25 pcm/Interleave: convert PcmInterleave32() to template 2015-06-22 17:19:42 +02:00
Max Kellermann
69476b4f21 pcm/Interleave: add optimization for 32 bit samples 
Move code from the "vorbis" decoder.
 2015-06-22 16:32:06 +02:00
Max Kellermann
fdf92c5f3b pcm/Interleave: add "restrict" keywords 2015-06-22 16:32:06 +02:00
Max Kellermann
eed1a3c239 decoder/ffmpeg: move code to pcm/Interleave.cxx 2015-06-22 14:42:19 +02:00
Max Kellermann
2b0a127fa5 pcm/soxr: fix recipe parser 2015-06-20 15:25:00 +02:00