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- use common code to write samples to the device

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Original commit message from CVS:
- use common code to write samples to the device
- add some error handling
This commit is contained in:
Wim Taymans 2003-05-31 14:14:21 +00:00
parent 04b611b88c
commit f11e5be82f
1 changed files with 20 additions and 12 deletions
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32
sys/oss/gstosssink.c
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@ -22,6 +22,7 @@
#include <sys/ioctl.h>
#include <sys/soundcard.h>
#include <errno.h>
#include <gstosssink.h>
@ -383,6 +384,7 @@ gst_osssink_chain (GstPad *pad, GstBuffer *buf)
if (!osssink->mute) {
guchar *data = GST_BUFFER_DATA (buf);
gint size = GST_BUFFER_SIZE (buf);
gint to_write = 0;
if (osssink->clock) {
gint delay = 0;
@ -400,22 +402,13 @@ gst_osssink_chain (GstPad *pad, GstBuffer *buf)
if (jitter >= 0) {
gst_clock_handle_discont (osssink->clock, buftime - queued + jitter);
write (osssink->common.fd, data, size);
to_write = size;
gst_oss_clock_set_active (osssink->provided_clock, TRUE);
osssink->resync = FALSE;
osssink->handled += size;
}
}
else {
gint to_write;
while (size > 0) {
to_write = MIN (size, osssink->chunk_size);
write (osssink->common.fd, data, to_write);
size -= to_write;
data += to_write;
osssink->handled += to_write;
}
to_write = size;
}
}
/* no clock, try to be as fast as possible */
@ -425,7 +418,22 @@ gst_osssink_chain (GstPad *pad, GstBuffer *buf)
ioctl (osssink->common.fd, SNDCTL_DSP_GETOSPACE, &ospace);
if (ospace.bytes >= size) {
write (osssink->common.fd, data, size);
to_write = size;
}
}
while (to_write > 0) {
gint done = write (osssink->common.fd, data,
MIN (to_write, osssink->chunk_size));
if (done == -1) {
if (errno != EINTR)
break;
}
else {
to_write -= done;
data += done;
osssink->handled += done;
}
}
}