Enlightenment CVS committal
Author : tsauerbeck
Project : misc
Module : eplayer
Dir : misc/eplayer/src/output/alsa
Modified Files:
alsa.c
Log Message:
Added error handling code to the ALSA plugin to make pause/resume work
===================================================================
RCS file: /cvsroot/enlightenment/misc/eplayer/src/output/alsa/alsa.c,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -3 -r1.1 -r1.2
--- alsa.c 22 Oct 2003 18:50:06 -0000 1.1
+++ alsa.c 22 Oct 2003 20:35:25 -0000 1.2
@@ -77,11 +77,39 @@
}
int alsa_play(unsigned char *data, int len) {
- int frames = len / frame_size;
+ int frames = len / frame_size, written;
assert(pcm);
- return (snd_pcm_writei(pcm, data, frames) > 0);
+ /* there's still data to write */
+ while (frames > 0) {
+ if ((written = snd_pcm_writei(pcm, data, frames)) > 0) {
+ /* success: play the next frame */
+ frames -= written;
+ data += written * frame_size;
+
+ continue;
+ }
+
+ /* error handling */
+ if (written == -EAGAIN)
+ continue;
+ else if (written == -EPIPE)
+ snd_pcm_prepare(pcm);
+ else if (written == -ESTRPIPE) {
+ /* wait until the suspend flag is released */
+ while ((written = snd_pcm_resume(pcm)) == -EAGAIN)
+ sleep(1);
+
+ if (written < 0) {
+ /* can't wake up device, reset it */
+ snd_pcm_prepare(pcm);
+ return 0;
+ }
+ }
+ }
+
+ return 1;
}
int alsa_volume_get(int *left, int *right) {
-------------------------------------------------------
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