zymon/PortAudio.jl
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72 commits

Author SHA1 Message Date
Spencer Russell
ae76badebb adds method to get rate of a file 2014-08-27 10:58:17 -04:00
Spencer Russell
dd28b530ea adds try-finally to open so it's actually safe 2014-08-21 01:05:03 -04:00
Spencer Russell
2620e6ecb2 fixes issue and now passes test for stereo file playback (mixing to mono) 2014-08-13 12:31:56 -04:00
Spencer Russell
edf2f8fd04 now transposing the audio so columns are channels on a file read 2014-08-12 19:22:19 -04:00
Spencer Russell
c22b6b2347 merges in @bauglir's changes 2014-08-11 18:33:40 -04:00
Spencer Russell
89043b80c9 deprecates af_open in favor of AudioIO.open 2014-08-11 17:34:21 -04:00
Joris Kraak
26cf69ad94 Make audio file reads return data as n_frames x n_channels 2014-08-01 17:58:39 +02:00
Joris Kraak
b79b47a461 Add audio file seek capabilities 2014-08-01 14:06:14 +02:00
Joris Kraak
19c33d71c6 Remove unnecessary value check 
Due to the way the `render` function was rewritten in eabf971, the audio
variable is always going to be an array of `AudioSample`s, so a check to
see if it is equal to `nothing` is no longer applicable.
 2014-08-01 14:04:38 +02:00
Joris Kraak
0cd33b8289 Stop trying to read from audio file if no data is available 
As soon as libsndfile has finished reading a file it no longer returns
any data. This can send the `render` method for `FileRenderer` into an
infinite loop. This way if not enough data is available a partial buffer
is returned.
 2014-08-01 14:01:49 +02:00
Joris Kraak
289d7a56cd Support playing sound from stereo files 2014-08-01 14:00:24 +02:00
Elliot Saba
864f35db75 Fixes to work with BinDeps/Homebrew properly 2014-07-27 13:51:02 -04:00
Spencer Russell
450a9e9184 drops allocation by making the sample rate Float32 2014-07-01 02:32:02 -04:00
Calder Coalson
8c134edc26 Adjusted buffer length so buffer ends at the end of the ramp. 2014-06-28 16:33:34 -05:00
Calder Coalson
4eb15ae29f Added support for consecutive linear ramps. 2014-06-28 15:22:35 -05:00
Spencer Russell
7cfdff73ac removes buffer allocation in Offset render func 2014-06-27 12:22:30 -05:00
Spencer Russell
d5ae9237d6 adds ability to multiple AudioNodes. NEEDS TESTS 2014-06-27 00:31:10 -05:00
Spencer Russell
36c95f1a16 adds constant offset ability. No tests! 2014-06-26 16:01:06 -05:00
Spencer Russell
91aa390554 adds annotation to base render function 2014-06-26 15:36:52 -05:00
Spencer Russell
b07230919d simplifies AudioNode subtype declarations 2014-06-26 12:21:01 -05:00
Spencer Russell
eabf9717aa adds some new ways to read audiofiles 2014-06-26 09:12:53 -05:00
Spencer Russell
8cc51a435c drops allocation of MixRenderer to 64bytes 2014-06-25 23:16:07 -04:00
Spencer Russell
fab2f8ea8d render alloc on ArrayPlayer down to 192bytes. can probably do better 2014-06-25 22:51:25 -04:00
Spencer Russell
66654d3aaf dropped allocation on SinOsc{AudioNode} 2014-06-25 22:40:23 -04:00
Spencer Russell
e451509293 got LinRamp allocation down to 240bytes 2014-06-25 22:25:35 -04:00
Spencer Russell
6a065f0af2 eeked some more allocation out of SinOsc 2014-06-25 22:08:03 -04:00
Spencer Russell
7aafc697b0 SinOsc{Float32} allocation is way down 2014-06-25 21:51:16 -04:00
Spencer Russell
efd841d74d adds ability to control SinOsc freq from a signal 2014-06-24 03:30:38 -04:00
Spencer Russell
bf2e5bfb84 adds LinRamp node 2014-06-24 01:35:02 -04:00
Spencer Russell
a334a44a2e adds WhiteNoise AudioNode 2014-06-23 19:17:28 -04:00
Spencer Russell
9312fa745d ports AudioInput to new type structure 2014-06-23 18:48:01 -04:00
Spencer Russell
afe4e0d8be fixes imprecise SinOsc 2014-06-23 17:58:32 -04:00
Spencer Russell
f240f3fbf6 fixes issue where portaudio task was killing the root mixer 2014-06-23 17:38:50 -04:00
Spencer Russell
a1ed357629 refactored AudioNode to contain a AudioRenderer, tests passing 2014-06-23 02:10:35 -04:00
Spencer Russell
e48c6361fd adds Gain node with * operator 2014-05-23 20:59:22 -04:00
Spencer Russell
0d84cb409b removes flac test as it was broken on osx, adds get_audio_devices 2014-05-02 16:10:54 -04:00
Joris Kraak
7831578955 Add mono audio input to PortAudio shim 
The way the PortAudio callback works it is possible to reuse the buffer
used for sharing output audio data between Julia and the C-library.

The output data can be pushed from the shared buffer to the PortAudio's
output buffer, after which the same location in the buffer can be used
for storing the data read from the input buffer.

This does assume equal lengths for the in- and output buffers.
 2014-03-25 12:35:04 +01:00
Spencer Russell
0fa2977889 Merge pull request #8 from zhemao/master 
Add basic support for file output
 2014-01-23 09:06:03 -08:00
Spencer Russell
22dba358b8 adds ability to wait for an AudioNode 2014-01-13 19:19:56 -05:00
Howard Mao
255050b6c5 add a few more asserts 2014-01-11 11:37:12 -05:00
Howard Mao
d3ae48dd09 add basic support for file output 2014-01-11 11:23:58 -05:00
Spencer Russell
207fa26fd9 some minor tweaks and adds a couple convenience functions to file playback 2014-01-10 15:56:42 -05:00
Howard Mao
7d7fd71341 add a FileInput AudioNode type 2014-01-08 18:25:55 -05:00
Howard Mao
5afba7136b add libsndfile bindings 2014-01-06 11:24:53 -05:00
Spencer Russell
38c1499e6f adds supporting for stopping AudioNodes 2014-01-05 22:50:56 -05:00
Spencer Russell
0f43ff836a now SinOsc, AudioMixer, and ArrayPlayer report their active flag properly 2014-01-03 13:32:30 -08:00
Spencer Russell
72fef9e4e1 refactor so render functions return an active flag 2014-01-03 13:02:25 -08:00
Spencer Russell
292005e1cd pulls out portaudio-specific stuff into separate code file 2014-01-03 11:47:38 -08:00
Spencer Russell
97dc8025bf changes all references of PortAudio name to AudioIO 2014-01-03 07:41:00 -08:00
Spencer Russell
6516537985 adds test for SinOsc and updates README 2013-12-30 03:29:43 -08:00