git ssb - Update readme and arguments · cel/foostudio@db045b19

- Make latency an argument
- Default to no midi device

cel committed on 11/5/2016, 1:27:14 AM
Parent: 1d67f693f364e55fe7c4f752a49923bb51c6875b

README.md	changed
foostudio.c	changed

README.mdView
		@@ -1,18 +1,19 @@
1	1 …	# foostudio
2	2 …
3		-Foo Studio is an environment for live-coding algorithmic music in C. Inspired
4		-by [code-music-studio][]. Currently Linux-only, as it depends on ALSA and
	3 …	+Foo Studio is an environment for live-coding low-latency algorithmic music in
WritePreview
	4 …	+C. Inspired by [code-music-studio][]. Linux-only, it depends on ALSA and
5	5 …	inotify.
6	6 …
7	7 …	## Usage
8	8 …
9	9 …	```
10		-# Compile the program
	10 …	+# Compile
11	11 …	make
12	12 …
13	13 …	# Run the studio
14		-./foostudio tune.c plughw:0,0
	14 …	+# Usage: foostudio [source file] [playback device] [capture device] [midi device] [latency us]
	15 …	+./foostudio tune.c plughw:0,0 plughw:0,0 hw:0 10000
15	16 …
16	17 …	# In another terminal, edit the music file. When you save it, foostudio will recompile and reload it.
17	18 …	vim tune.c
18	19 …	```
		@@ -26,8 +27,12 @@
26	27 …	- http://www.linuxjournal.com/article/6735?page=0,1#N0x19ab2890.0x19ba78d8
27	28 …
28	29 …	[code-music-studio]: https://github.com/substack/code-music-studio
29	30 …
	31 …	+## TODO
	32 …	+
	33 …	+- better CLI option syntax
	34 …	+
30	35 …	## License
31	36 …
32	37 …	Copyright (C) 2016 Charles Lehner
33	38 …

foostudio.cView
		@@ -16,9 +16,8 @@
16	16 …
17	17 …	static unsigned int rate = 48000;
18	18 …	static unsigned int channels_out = 1;
19	19 …	static unsigned int channels_in = 1;
20		-static unsigned int latency = 10000; // us
21	20 …	static int resample = 1; // allow resampling
22	21 …	static int16_t maxval = 0x7fff;
23	22 …
24	23 …	static snd_pcm_format_t format = SND_PCM_FORMAT_S16;
		@@ -34,18 +33,17 @@
34	33 …	snd_rawmidi_t *midi_in = NULL;
35	34 …	const char *src_fname = "tune.c";
36	35 …	const char *device_out = "default";
37	36 …	const char *device_in = "default";
38		- const char *midi_device_in = "default";
	37 …	+ const char *midi_device_in = NULL;
	38 …	+ int latency = 10000; // us
39	39 …
40	40 …	if (argc > 1) src_fname = argv[1];
41	41 …	if (argc > 2) device_out = argv[2];
42		- if (argc > 3) device_in = argv[3];
43		- if (argc > 4) midi_device_in = argv[4];
	42 …	+ if (argc > 3 && argv[3][0]) device_in = argv[3];
	43 …	+ if (argc > 4 && argv[4][0]) midi_device_in = argv[4];
	44 …	+ if (argc > 5) latency = atoi(argv[5]);
44	45 …
45		- if (device_in[0] == '\0') device_in = NULL;
46		- if (midi_device_in[0] == '\0') midi_device_in = NULL;
47		-
48	46 …	ccdl_init(&ccdl, src_fname, "play");
49	47 …
50	48 …	if (ccdl_watch(&ccdl)) {
51	49 …	errx(1, "ccdl_watch");

cel / foostudio