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126 Commits

Author SHA1 Message Date
Chris Robinson
d4f3490a88 Limit device buffer based on PulseAudio's tlength 
Unfortunately PulseAudio has a habit of limiting tlength, and trying to
calculate the device's buffer length to write regardless of tlength could
result in some amount always being writable.
 2017-06-15 21:39:09 -07:00
Chris Robinson
a49e2ebbc5 Add an env var to specify a default pulse device 
Some apps don't allow selecting an audio device, and due to problems with KDE,
PulseAudio isn't allowed to move the stream after being created by default.
 2017-05-16 16:50:43 -07:00
Chris Robinson
901804d724 Store the ambisonic order separate from the channel enum 2017-04-12 18:26:07 -07:00
Chris Robinson
5ef7d8fe62 Clean up some formatting 2017-04-08 12:27:30 -07:00
Chris Robinson
1f64f9d016 Try to write the full configured buffer length with PulseAudio 
This basically ignores tlength even if it's smaller than what was requested. It
keeps up-to-date with minreq changes too now, in case that happens.
 2017-04-08 10:01:04 -07:00
Chris Robinson
26144ca9df Rename al_string_* functions to alstr_* 2017-04-04 06:58:53 -07:00
Chris Robinson
e0e6efbfea Print warnings about missing libraries and functions 2017-02-21 10:17:48 -08:00
Chris Robinson
e20f0ae5a3 Hold Pulse's mainloop lock while calling capture functions 
Since commit c837484015e, the backend's lock is no longer implicitly held when
calling capture functions. A separate mutex is used to ensure serial access,
and its up to the backend to protect against races and reentrancy with the
audio API.
 2017-01-10 03:02:26 -08:00
Chris Robinson
bff5268ed4 Remove DevFmtBFormat3D, which is covered by DevFmtAmbi1 2016-07-31 08:13:41 -07:00
Chris Robinson
b5b3ea95f8 Add a config to output first-, second-, or third-order ambisonics 
Currently incomplete, as second- and third-order output will not correctly
handle B-Format input buffers. A standalone up-sampler will be needed, similar
to the high-quality decoder.

Also, output is ACN ordering with SN3D normalization. A config option will
eventually be provided to change this if desired.
 2016-07-29 21:55:43 -07:00
Chris Robinson
5e11a738c6 Combine VECTOR_RESIZE and VECTOR_RESERVE 2016-07-26 12:02:03 -07:00
Chris Robinson
6d4380a48c Change the backend getLatency method to return the clock time too 
This will also allow backends to better synchronize the tracked clock time with
the device output latency, without necessarily needing to lock if the backend
API can allow for it.
 2016-05-28 00:43:14 -07:00
Chris Robinson
f4ff5fc106 Shorten VECTOR_ITER_ macros to VECTOR_ 2016-04-15 12:22:54 -07:00
Chris Robinson
8145a26d07 Add a hack to workaround erroneous prebuf values from pulse 2016-03-31 16:21:49 -07:00
Chris Robinson
9891d61206 Add options to disable Pulse's and ALSA's resamplers 2015-11-07 23:05:45 -08:00
Chris Robinson
703f1fdec2 Specify the pa_channel_map directly instead of through a string 2015-09-04 23:59:24 -07:00
Chris Robinson
ce487d1e43 Use the correct device name for PulseAudio too 
Like mmdevapi. duplicate device names will have a '#2' or such appended, so the
device's reported name may be incorrect.
 2015-09-03 14:59:59 -07:00
Chris Robinson
e5fa4ee25d Allow for device-specific config values 2015-08-28 14:10:39 -07:00
Chris Robinson
f6e52debb5 Fix handling of PulseAudio devices that have the same description 2015-08-14 19:05:16 -07:00
Chris Robinson
9f49ac0fda Add a macro to simplify allocating and constructing an object 2015-05-18 16:39:44 -07:00
Chris Robinson
290badea95 Ensure PulseAudio's mixing loop is signaled when stopping 2015-01-21 22:02:02 -08:00
Chris Robinson
4b91d34d58 Set a couple pulse callbacks to NULL during reset, and minor cleanups 2014-12-17 10:10:28 -08:00
Chris Robinson
af193e9fb3 Don't kill pulseaudio's mixer thread if it's already killed 2014-12-17 09:47:58 -08:00
Chris Robinson
bdbf6613ef Support B-Format output with the wave file writer 2014-11-25 22:20:00 -08:00
Chris Robinson
cbe22763ee Require at least pulse client 0.9.16 2014-11-24 13:15:04 -08:00
Chris Robinson
fc00c1c009 Trace PulseAudio's active port 2014-11-24 12:45:51 -08:00
Chris Robinson
2c533fdc36 Set headphones when pulse reports using the headphones port 2014-11-23 20:41:29 -08:00
Chris Robinson
1dcc54c986 Don't force UpdateSize to a multiple of 4 after buffer metrics were set 2014-11-17 21:23:29 -08:00
Chris Robinson
40a08bed4f Always get the pulseaudio sink info on device reset 2014-11-17 17:57:52 -08:00
Chris Robinson
0051a96376 Fix 5.1 surround sound 
Apparently, 5.1 surround sound is supposed to use the "side" channels, not the
back channels, and we've been wrong this whole time. That means the "5.1 Side"
is actually the correct 5.1 setup, and using the back channels is anomalous.

Additionally, this means the 5.1 buffer format should also use the the side
channels instead of the back channels.

A final note: the 5.1 mixing coefficients are changed so both use the original
5.1 surround sound set (with the surround channels at +/-110 degrees). So the
only difference now between 5.1 "side" and 5.1 "back" is the channel labels.
 2014-11-07 00:54:16 -08:00
François Cami
3c13e1e333 Update COPYING to the latest https://www.gnu.org/licenses/old-licenses/lgpl-2.0.txt to fix the FSF' address Fix the FSF' address in the source 2014-08-18 11:34:29 -07:00
Chris Robinson
f173a67870 Use VECTOR_FIND_IF and VECTOR_FOR_EACH instead of manual loops 2014-08-09 06:15:11 -07:00
Chris Robinson
6864053eee Use pulseaudio's write callback to signal a mixer proc wakeup 2014-07-26 22:04:26 -07:00
Chris Robinson
d0a64fe191 Don't require pre-declaring vector types 2014-07-06 03:27:39 -07:00
Chris Robinson
fd5e7f1466 Don't print an ERR if pulse fails to get latency info due to no data 
It just means it was called too quickly after starting.
 2014-05-26 03:41:33 -07:00
Chris Robinson
fdcdda2ed3 Initialize a pointer to NULL instead of a string 2014-05-15 01:39:42 -07:00
Chris Robinson
f150676873 Add a helper VECTOR_FOR_EACH macro 2014-04-30 12:30:02 -07:00
Chris Robinson
7dd4a2348f Use a helper function to clear PulseAudio device lists 2014-04-24 01:38:24 -07:00
Chris Robinson
8fd224f841 Avoid forward-declaring backend vtables 2014-04-23 03:52:05 -07:00
Chris Robinson
ad71565e45 Trace the device name being opened in ALSA and PulseAudio 2014-04-21 20:26:29 -07:00
Chris Robinson
5215b9cad2 Use a vector for the PulseAudio DevMaps 2014-04-20 06:29:36 -07:00
Chris Robinson
b435a8e01b Use an al_string in the PulseAudio backend instead of char* 2014-04-20 05:55:52 -07:00
Chris Robinson
36df67f546 Rename SetThreadName to althrd_setname 2014-04-17 20:41:32 -07:00
Chris Robinson
b020dd13fd Avoid using a Sleep() wrapper 2014-04-16 06:59:44 -07:00
Chris Robinson
18ab9cbbdd Implement a C11-like thread wrapper and use it in mmdevapi and pulseaudio 2014-04-16 05:19:34 -07:00
Chris Robinson
7b93e10f7a Use an al_string for the device name 2014-03-28 22:11:34 -07:00
Chris Robinson
d8bfd12d31 Use a void* for the backend Delete method param 2014-03-22 00:28:55 -07:00
Chris Robinson
ea8a85b19c Move PATH_MAX fallback definitions to alMain.h 2014-02-27 18:17:20 -08:00
Chris Robinson
3d921e0e6f Make backend factory methods static as needed 2013-11-02 16:35:05 -07:00
Chris Robinson
90a51d7897 Move a macro definition up nearer to where it's used 2013-10-29 23:54:10 -07:00