+/** @brief Actually play sound via OSS */
+static size_t oss_play(void *buffer, size_t samples, unsigned flags) {
+ /* cf uaudio-alsa.c:alsa-play() */
+ if(flags & UAUDIO_PAUSED) {
+ if(flags & UAUDIO_PAUSE)
+ oss_close();
+ if(samples > 64)
+ samples /= 2;
+ const uint64_t ns = ((uint64_t)samples * 1000000000
+ / (uaudio_rate * uaudio_channels));
+ struct timespec ts[1];
+ ts->tv_sec = ns / 1000000000;
+ ts->tv_nsec = ns % 1000000000;
+ while(nanosleep(ts, ts) < 0 && errno == EINTR)
+ ;
+ return samples;
+ }
+ if(flags & UAUDIO_RESUME)
+ oss_open();
+ const size_t bytes = samples * uaudio_sample_size;
+ int rc = write(oss_fd, buffer, bytes);
+ if(rc < 0)
+ fatal(errno, "error writing to sound device");
+ return rc / uaudio_sample_size;