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62 commits

Author SHA1 Message Date
Andrew Kelley 7238d29666 sample rate is exposed as a list of min/max pairs 2015-08-08 14:44:31 -07:00
Andrew Kelley c381526205 callbacks supply min and max frame count parameters 
This changes the semantics of the callbacks so that instead of
a single `requested_frame_count` or `available_frame_count`,
the callbacks get a minimum frame count and maximum frame count.

The callback must write at least the minimum or get an underflow.
The minimum will be 0 on ALSA, PulseAudio, and Dummy, and will
equal the maximum on CoreAudio and JACK.

This ensures optimal behavior regardless of buffer size.
 2015-08-04 21:57:46 -07:00
Andrew Kelley a378cac92d JACK: fix not setting outstream buffer_duration 2015-08-04 12:25:15 -07:00
Andrew Kelley 29a914ceba no constructors or destructors 2015-08-04 11:03:19 -07:00
Andrew Kelley 28f73ba037 CoreAudio: listen for changes to device properties 2015-08-04 10:40:26 -07:00
Andrew Kelley f87961275d write and read functions no longer allow setting frame count 
CoreAudio and JACK both have this limitation
 2015-08-04 00:56:03 -07:00
Andrew Kelley a774a72958 CoreAudio: get the full list of available sample rates 2015-08-03 17:06:38 -07:00
Andrew Kelley f77663399f CoreAudio: obtain most device information 2015-08-01 22:10:43 -07:00
Andrew Kelley 7371ce5146 Fix kqueue-based cond and signal implementation 2015-08-01 13:01:49 -07:00
Andrew Kelley 4c5742eb29 CoreAudio skeleton 2015-07-31 18:52:51 -07:00
Andrew Kelley 860370d859 rename examples, install them, and correct #include path 2015-07-30 14:16:22 -07:00
Andrew Kelley 2a70bdb745 add a test for underflow handling and expose os API 2015-07-30 12:07:58 -07:00
Andrew Kelley e6112b40ed rename purpose to aim 2015-07-30 10:39:10 -07:00
Andrew Kelley 4ba1fd91a1 rename device name and description to id and name 2015-07-30 10:26:36 -07:00
Andrew Kelley 12db5fd970 remove all calls to soundio_panic 
Return codes are the way errors are communicated, not
crashing the entire program.
 2015-07-30 00:46:13 -07:00
Andrew Kelley 5503072fc8 ALSA: recover from underflow gracefully 2015-07-29 22:39:27 -07:00
Andrew Kelley 2900616e9b flesh out buffer semantics 2015-07-29 21:50:12 -07:00
Andrew Kelley 44569708a0 Delete the concept of prebuffering 2015-07-29 20:55:28 -07:00
Andrew Kelley 0dee34a84e PulseAudio: fix microphone example 2015-07-29 13:02:17 -07:00
Andrew Kelley 0847d727b1 JACK: fix crash when refreshing devices 2015-07-29 12:27:31 -07:00
Andrew Kelley 70441184a1 JACK: detect channel layout based on port names 2015-07-28 14:53:54 -07:00
Andrew Kelley eeae08e1a3 JACK emits on_backend_shutdown event 2015-07-28 13:36:31 -07:00
Andrew Kelley 6df84096f3 sine example works with JACK 2015-07-28 11:28:07 -07:00
Andrew Kelley 70decb39f5 SoundIoOutStream, SoundIoInStream: void * -> union 
For better cache locality and lower mlock requirements.
 2015-07-27 17:06:12 -07:00
Andrew Kelley db1195877a SoundIo, SoundIoDevice: unions instead of void * 
for better cache locality
 2015-07-27 16:37:45 -07:00
Andrew Kelley 42961553d8 JACK: ability to list devices 2015-07-24 22:00:33 -07:00
Andrew Kelley 447a241c2e JACK deal with the global msg callbacks 2015-07-24 19:16:48 -07:00
Andrew Kelley 3dd9e513bc add JACK backend skeleton 2015-07-24 18:43:14 -07:00
Andrew Kelley 34039b4858 microphone example working with ALSA 2015-07-23 20:55:36 -07:00
Andrew Kelley 511fcafc3b dummy: implement prebuffering 2015-07-23 16:49:44 -07:00
Andrew Kelley 69764e1afa microphone example working with dummy backend 2015-07-23 15:04:41 -07:00
Andrew Kelley 8177d2f46d fix extra functions and missing prototype 2015-07-23 11:56:05 -07:00
Andrew Kelley e7dc300cc6 microphone example working with PulseAudio 2015-07-22 15:43:45 -07:00
Andrew Kelley 43d33e5a67 don't access device until open() is called 
and then check for a probe error.
 2015-07-21 02:12:28 -07:00
Andrew Kelley 1eeeff5a24 PulseAudio works again 2015-07-20 22:55:30 -07:00
Andrew Kelley be2675e551 support stream names (used for PulseAudio) 2015-07-20 20:13:35 -07:00
Andrew Kelley 20f3f76ef3 fix devices race condition 2015-07-20 14:47:51 -07:00
Andrew Kelley 3999f57698 ability to pause and resume streams 
and some cleanup
 2015-07-16 13:37:41 -07:00
Andrew Kelley 454fab0ffb period_duration instead of period_count 2015-07-15 23:45:21 -07:00
Andrew Kelley 7045cb3988 ALSA sine example is making noise 2015-07-15 20:57:00 -07:00
Andrew Kelley 1e4d87e608 ALSA: open output device with parameters 2015-07-13 21:30:37 -07:00
Andrew Kelley 59026ccba7 examples are smarter about device parameters 2015-07-13 09:59:42 -07:00
Andrew Kelley 5b3fd175f8 stream API update; expose multiple channel layouts 2015-07-13 09:17:20 -07:00
Andrew Kelley 7d45b15036 rename SoundIoOutputDevice to SoundIoOutStream 
and SoundIoInputDevice to SoundIoInStream
 2015-07-10 02:42:29 -07:00
Andrew Kelley 3b8d896c8e ALSA backend determines what formats a device supports 2015-07-10 02:21:47 -07:00
Andrew Kelley 8887a528ef sample formats: take into account ALSA 2015-07-10 00:46:03 -07:00
Andrew Kelley fe2040da7c ALSA backend determines channel layout of devices 2015-07-09 23:35:58 -07:00
Andrew Kelley c760bc4df7 default sample rate is not as important as I thought 2015-07-08 00:42:17 -07:00
Andrew Kelley fe61322b23 beginning of ALSA support - list_devices works 2015-07-07 02:55:32 -07:00
Andrew Kelley a69ff6025c add and export a ring buffer implementation 2015-07-06 01:05:22 -07:00