ncmixer

commit 7c51d55a9a05128e9bd50a9236bd9b8e3528dbd2
parent 229451d13605c2f6726e618de325b89523904d9d
Author: sin <sin@2f30.org>
Date:   Mon,  6 Jun 2016 17:20:41 +0100

Add some comments

Diffstat:
M
ncmixer.c
 | 
4
++++

1 file changed, 4 insertions(+), 0 deletions(-)
diff --git a/ncmixer.c b/ncmixer.c
@@ -415,6 +415,7 @@ loop(void)
 						printerr(1, "accept");
 					continue;
 				}
+				/* input already connnected, reject this one */
 				if (in->clifd != -1) {
 					close(clifd);
 					continue;
@@ -432,6 +433,7 @@ loop(void)
 				continue;
 			if (pfd[in->clifd].revents & (POLLIN | POLLHUP)) {
 				if (consume(in) == -1) {
+					/* we lost the output, reset state */
 					pfd[in->clifd].fd = -1;
 					pfd[in->clifd].events = 0;
 					close(in->clifd);
@@ -443,11 +445,13 @@ loop(void)
 		/* play dat shit! */
 		for (i = 0; i < LEN(outputs); i++) {
 			out = &outputs[i];
+			/* open output device on demand */
 			if (out->sio_hdl == NULL) {
 				out->sio_hdl = audio_open(out->name);
 				if (out->sio_hdl == NULL)
 					continue;
 			}
+			/* attenuate inputs based on cross-fader position */
 			if (xfpos <= 0) {
 				attenuate(&inputs[0], 1.0);
 				attenuate(&inputs[1], 1.0 - abs(xfpos));