static void thread_func(void *userdata) {
struct userdata *u = userdata;
pa_assert(u);
pa_log_debug("Thread starting up");
if (u->core->realtime_scheduling)
pa_make_realtime(u->core->realtime_priority);
pa_thread_mq_install(&u->thread_mq);
for (;;) {
int ret;
if (PA_SINK_IS_OPENED(u->sink->thread_info.state))
if (u->sink->thread_info.rewind_requested)
pa_sink_process_rewind(u->sink, 0);
if ((ret = pa_rtpoll_run(u->rtpoll, TRUE)) < 0)
goto fail;
if (ret == 0)
goto finish;
}
fail:
/* If this was no regular exit from the loop we have to continue
* processing messages until we received PA_MESSAGE_SHUTDOWN */
pa_asyncmsgq_post(u->thread_mq.outq, PA_MSGOBJECT(u->core), PA_CORE_MESSAGE_UNLOAD_MODULE, u->module, 0, NULL, NULL);
pa_asyncmsgq_wait_for(u->thread_mq.inq, PA_MESSAGE_SHUTDOWN);
finish:
pa_log_debug("Thread shutting down");
}
static void jack_init(void *arg) {
struct userdata *u = arg;
pa_log_info("JACK thread starting up.");
if (u->core->realtime_scheduling)
pa_make_realtime(u->core->realtime_priority+4);
}
static void thread_func(void *userdata) {
struct userdata *u = userdata;
pa_assert(u);
pa_assert(u->sink || u->source);
pa_log_debug("Thread starting up");
if (u->core->realtime_scheduling)
pa_make_realtime(u->core->realtime_priority);
pa_thread_mq_install(&u->thread_mq);
for (;;) {
int ret;
pa_bool_t need_timer = FALSE;
if (u->sink) {
if (PA_UNLIKELY(u->sink->thread_info.rewind_requested))
pa_sink_process_rewind(u->sink, 0);
if (PA_SINK_IS_OPENED(u->sink->thread_info.state)) {
do_write(u);
need_timer = TRUE;
}
}
if (u->source && PA_SOURCE_IS_OPENED(u->source->thread_info.state)) {
do_read(u);
need_timer = TRUE;
}
if (need_timer)
pa_rtpoll_set_timer_relative(u->rtpoll, u->poll_timeout);
else
pa_rtpoll_set_timer_disabled(u->rtpoll);
/* Hmm, nothing to do. Let's sleep */
if ((ret = pa_rtpoll_run(u->rtpoll, TRUE)) < 0)
goto fail;
if (ret == 0)
goto finish;
}
fail:
/* If this was no regular exit from the loop we have to continue
* processing messages until we received PA_MESSAGE_SHUTDOWN */
pa_asyncmsgq_post(u->thread_mq.outq, PA_MSGOBJECT(u->core), PA_CORE_MESSAGE_UNLOAD_MODULE, u->module, 0, NULL, NULL);
pa_asyncmsgq_wait_for(u->thread_mq.inq, PA_MESSAGE_SHUTDOWN);
finish:
pa_log_debug("Thread shutting down");
}
static void thread_func(void *userdata) {
struct userdata *u = userdata;
pa_assert(u);
pa_log_debug("Thread starting up.");
if (u->core->realtime_scheduling)
pa_make_realtime(u->core->realtime_priority);
pa_thread_mq_install(&u->thread_mq);
u->timestamp = pa_rtclock_now();
for (;;) {
int ret;
if (PA_SOURCE_IS_OPENED(u->source->thread_info.state)) {
thread_read(u);
pa_rtpoll_set_timer_absolute(u->rtpoll, u->timestamp);
} else
pa_rtpoll_set_timer_disabled(u->rtpoll);
/* Sleep */
if ((ret = pa_rtpoll_run(u->rtpoll)) < 0)
goto fail;
if (ret == 0)
goto finish;
}
fail:
/* If this was no regular exit from the loop we have to continue
* processing messages until we received PA_MESSAGE_SHUTDOWN */
pa_asyncmsgq_post(u->thread_mq.outq, PA_MSGOBJECT(u->core), PA_CORE_MESSAGE_UNLOAD_MODULE, u->module, 0, NULL, NULL);
pa_asyncmsgq_wait_for(u->thread_mq.inq, PA_MESSAGE_SHUTDOWN);
finish:
pa_log_debug("Thread shutting down.");
}
static void work(void *p) {
pa_log_notice("CPU%i: Created thread.", PA_PTR_TO_UINT(p));
pa_make_realtime(12);
#ifdef HAVE_PTHREAD_SETAFFINITY_NP
{
#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
cpuset_t mask;
#else
cpu_set_t mask;
#endif
CPU_ZERO(&mask);
CPU_SET((size_t) PA_PTR_TO_UINT(p), &mask);
pa_assert_se(pthread_setaffinity_np(pthread_self(), sizeof(mask), &mask) == 0);
}
#endif
for (;;) {
struct timeval now, end;
uint64_t usec;
pa_log_notice("CPU%i: Sleeping for 1s", PA_PTR_TO_UINT(p));
pa_msleep(1000);
usec =
(uint64_t) ((((double) rand())*(double)(msec_upper-msec_lower)*PA_USEC_PER_MSEC)/RAND_MAX) +
(uint64_t) ((uint64_t) msec_lower*PA_USEC_PER_MSEC);
pa_log_notice("CPU%i: Freezing for %ims", PA_PTR_TO_UINT(p), (int) (usec/PA_USEC_PER_MSEC));
pa_rtclock_get(&end);
pa_timeval_add(&end, usec);
do {
pa_rtclock_get(&now);
} while (pa_timeval_cmp(&now, &end) < 0);
}
}
static void thread_func(void *userdata) {
struct userdata *u = userdata;
int write_type = 0, read_type = 0;
short revents = 0;
pa_assert(u);
pa_log_debug("Thread starting up");
if (u->core->realtime_scheduling)
pa_make_realtime(u->core->realtime_priority);
pa_thread_mq_install(&u->thread_mq);
for (;;) {
int ret;
/* pa_log("loop"); */
if (PA_UNLIKELY(u->sink && u->sink->thread_info.rewind_requested))
pa_sink_process_rewind(u->sink, 0);
/* Render some data and write it to the dsp */
if (u->sink && PA_SINK_IS_OPENED(u->sink->thread_info.state) && ((revents & POLLOUT) || u->use_mmap || u->use_getospace)) {
if (u->use_mmap) {
if ((ret = mmap_write(u)) < 0)
goto fail;
revents &= ~POLLOUT;
if (ret > 0)
continue;
} else {
ssize_t l;
pa_bool_t loop = FALSE, work_done = FALSE;
l = (ssize_t) u->out_fragment_size;
if (u->use_getospace) {
audio_buf_info info;
if (ioctl(u->fd, SNDCTL_DSP_GETOSPACE, &info) < 0) {
pa_log_info("Device doesn't support SNDCTL_DSP_GETOSPACE: %s", pa_cstrerror(errno));
u->use_getospace = FALSE;
} else {
l = info.bytes;
/* We loop only if GETOSPACE worked and we
* actually *know* that we can write more than
* one fragment at a time */
loop = TRUE;
}
}
/* Round down to multiples of the fragment size,
* because OSS needs that (at least some versions
* do) */
l = (l/(ssize_t) u->out_fragment_size) * (ssize_t) u->out_fragment_size;
/* Hmm, so poll() signalled us that we can read
* something, but GETOSPACE told us there was nothing?
* Hmm, make the best of it, try to read some data, to
* avoid spinning forever. */
if (l <= 0 && (revents & POLLOUT)) {
l = (ssize_t) u->out_fragment_size;
loop = FALSE;
}
while (l > 0) {
void *p;
ssize_t t;
if (u->memchunk.length <= 0)
pa_sink_render(u->sink, (size_t) l, &u->memchunk);
pa_assert(u->memchunk.length > 0);
p = pa_memblock_acquire(u->memchunk.memblock);
t = pa_write(u->fd, (uint8_t*) p + u->memchunk.index, u->memchunk.length, &write_type);
pa_memblock_release(u->memchunk.memblock);
/* pa_log("wrote %i bytes of %u", t, l); */
pa_assert(t != 0);
if (t < 0) {
if (errno == EINTR)
continue;
else if (errno == EAGAIN) {
pa_log_debug("EAGAIN");
revents &= ~POLLOUT;
break;
} else {
pa_log("Failed to write data to DSP: %s", pa_cstrerror(errno));
goto fail;
}
} else {
u->memchunk.index += (size_t) t;
u->memchunk.length -= (size_t) t;
if (u->memchunk.length <= 0) {
pa_memblock_unref(u->memchunk.memblock);
pa_memchunk_reset(&u->memchunk);
}
l -= t;
revents &= ~POLLOUT;
work_done = TRUE;
}
if (!loop)
break;
}
if (work_done)
continue;
}
}
/* Try to read some data and pass it on to the source driver. */
if (u->source && PA_SOURCE_IS_OPENED(u->source->thread_info.state) && ((revents & POLLIN) || u->use_mmap || u->use_getispace)) {
if (u->use_mmap) {
if ((ret = mmap_read(u)) < 0)
goto fail;
revents &= ~POLLIN;
if (ret > 0)
continue;
} else {
void *p;
ssize_t l;
pa_memchunk memchunk;
pa_bool_t loop = FALSE, work_done = FALSE;
l = (ssize_t) u->in_fragment_size;
if (u->use_getispace) {
audio_buf_info info;
if (ioctl(u->fd, SNDCTL_DSP_GETISPACE, &info) < 0) {
pa_log_info("Device doesn't support SNDCTL_DSP_GETISPACE: %s", pa_cstrerror(errno));
u->use_getispace = FALSE;
} else {
l = info.bytes;
loop = TRUE;
}
}
l = (l/(ssize_t) u->in_fragment_size) * (ssize_t) u->in_fragment_size;
if (l <= 0 && (revents & POLLIN)) {
l = (ssize_t) u->in_fragment_size;
loop = FALSE;
}
while (l > 0) {
ssize_t t;
size_t k;
pa_assert(l > 0);
memchunk.memblock = pa_memblock_new(u->core->mempool, (size_t) -1);
k = pa_memblock_get_length(memchunk.memblock);
if (k > (size_t) l)
k = (size_t) l;
k = (k/u->frame_size)*u->frame_size;
p = pa_memblock_acquire(memchunk.memblock);
t = pa_read(u->fd, p, k, &read_type);
pa_memblock_release(memchunk.memblock);
pa_assert(t != 0); /* EOF cannot happen */
/* pa_log("read %i bytes of %u", t, l); */
if (t < 0) {
pa_memblock_unref(memchunk.memblock);
if (errno == EINTR)
continue;
else if (errno == EAGAIN) {
pa_log_debug("EAGAIN");
revents &= ~POLLIN;
break;
} else {
pa_log("Failed to read data from DSP: %s", pa_cstrerror(errno));
goto fail;
}
} else {
memchunk.index = 0;
memchunk.length = (size_t) t;
pa_source_post(u->source, &memchunk);
pa_memblock_unref(memchunk.memblock);
l -= t;
revents &= ~POLLIN;
work_done = TRUE;
}
if (!loop)
break;
}
if (work_done)
continue;
}
}
/* pa_log("loop2 revents=%i", revents); */
if (u->rtpoll_item) {
struct pollfd *pollfd;
pa_assert(u->fd >= 0);
pollfd = pa_rtpoll_item_get_pollfd(u->rtpoll_item, NULL);
pollfd->events = (short)
(((u->source && PA_SOURCE_IS_OPENED(u->source->thread_info.state)) ? POLLIN : 0) |
((u->sink && PA_SINK_IS_OPENED(u->sink->thread_info.state)) ? POLLOUT : 0));
}
/* Hmm, nothing to do. Let's sleep */
if ((ret = pa_rtpoll_run(u->rtpoll, TRUE)) < 0)
goto fail;
if (ret == 0)
goto finish;
if (u->rtpoll_item) {
struct pollfd *pollfd;
pollfd = pa_rtpoll_item_get_pollfd(u->rtpoll_item, NULL);
if (pollfd->revents & ~(POLLOUT|POLLIN)) {
pa_log("DSP shutdown.");
goto fail;
}
revents = pollfd->revents;
} else
revents = 0;
}
fail:
/* If this was no regular exit from the loop we have to continue
* processing messages until we received PA_MESSAGE_SHUTDOWN */
pa_asyncmsgq_post(u->thread_mq.outq, PA_MSGOBJECT(u->core), PA_CORE_MESSAGE_UNLOAD_MODULE, u->module, 0, NULL, NULL);
pa_asyncmsgq_wait_for(u->thread_mq.inq, PA_MESSAGE_SHUTDOWN);
finish:
pa_log_debug("Thread shutting down");
}
static void thread_func(void *userdata) {
struct userdata *u = userdata;
unsigned short revents = 0;
int ret;
pa_assert(u);
pa_log_debug("Thread starting up");
if (u->core->high_priority)
pa_make_realtime();
pa_thread_mq_install(&u->thread_mq);
pa_rtpoll_install(u->rtpoll);
for (;;) {
/* Render some data and write it to the dsp */
if (u->sink && PA_SINK_OPENED(u->sink->thread_info.state)) {
audio_info_t info;
int err;
size_t len;
err = ioctl(u->fd, AUDIO_GETINFO, &info);
pa_assert(err >= 0);
/*
* Since we cannot modify the size of the output buffer we fake it
* by not filling it more than u->buffer_size.
*/
len = u->buffer_size;
len -= u->written_bytes - (info.play.samples * u->frame_size);
/* The sample counter can sometimes go backwards :( */
if (len > u->buffer_size)
len = 0;
if (info.play.error) {
pa_log_debug("Solaris buffer underflow!");
clear_underflow(u);
}
len -= len % u->frame_size;
while (len) {
void *p;
ssize_t r;
if (!u->memchunk.length)
pa_sink_render(u->sink, len, &u->memchunk);
pa_assert(u->memchunk.length);
p = pa_memblock_acquire(u->memchunk.memblock);
r = pa_write(u->fd, (uint8_t*) p + u->memchunk.index, u->memchunk.length, NULL);
pa_memblock_release(u->memchunk.memblock);
if (r < 0) {
if (errno == EINTR)
continue;
else if (errno != EAGAIN) {
pa_log("Failed to read data from DSP: %s", pa_cstrerror(errno));
goto fail;
}
} else {
pa_assert(r % u->frame_size == 0);
u->memchunk.index += r;
u->memchunk.length -= r;
if (u->memchunk.length <= 0) {
pa_memblock_unref(u->memchunk.memblock);
pa_memchunk_reset(&u->memchunk);
}
len -= r;
u->written_bytes += r;
}
}
}
/* Try to read some data and pass it on to the source driver */
if (u->source && PA_SOURCE_OPENED(u->source->thread_info.state) && ((revents & POLLIN))) {
pa_memchunk memchunk;
int err;
size_t l;
void *p;
ssize_t r;
audio_info_t info;
err = ioctl(u->fd, AUDIO_GETINFO, &info);
pa_assert(err >= 0);
if (info.record.error) {
pa_log_debug("Solaris buffer overflow!");
clear_overflow(u);
}
err = ioctl(u->fd, I_NREAD, &l);
pa_assert(err >= 0);
if (l > 0) {
/* This is to make sure it fits in the memory pool. Also, a page
should be the most efficient transfer size. */
if (l > u->page_size)
l = u->page_size;
memchunk.memblock = pa_memblock_new(u->core->mempool, l);
pa_assert(memchunk.memblock);
p = pa_memblock_acquire(memchunk.memblock);
r = pa_read(u->fd, p, l, NULL);
pa_memblock_release(memchunk.memblock);
if (r < 0) {
pa_memblock_unref(memchunk.memblock);
if (errno != EAGAIN) {
pa_log("Failed to read data from DSP: %s", pa_cstrerror(errno));
goto fail;
}
} else {
memchunk.index = 0;
memchunk.length = r;
pa_source_post(u->source, &memchunk);
pa_memblock_unref(memchunk.memblock);
u->read_bytes += r;
revents &= ~POLLIN;
}
}
}
if (u->fd >= 0) {
struct pollfd *pollfd;
pollfd = pa_rtpoll_item_get_pollfd(u->rtpoll_item, NULL);
pollfd->events =
((u->source && PA_SOURCE_OPENED(u->source->thread_info.state)) ? POLLIN : 0);
}
/* Hmm, nothing to do. Let's sleep */
if ((ret = pa_rtpoll_run(u->rtpoll, 1)) < 0)
goto fail;
if (ret == 0)
goto finish;
if (u->fd >= 0) {
struct pollfd *pollfd;
pollfd = pa_rtpoll_item_get_pollfd(u->rtpoll_item, NULL);
if (pollfd->revents & ~(POLLOUT|POLLIN)) {
pa_log("DSP shutdown.");
goto fail;
}
revents = pollfd->revents;
} else
revents = 0;
}
fail:
/* We have to continue processing messages until we receive the
* SHUTDOWN message */
pa_asyncmsgq_post(u->thread_mq.outq, PA_MSGOBJECT(u->core), PA_CORE_MESSAGE_UNLOAD_MODULE, u->module, 0, NULL, NULL);
pa_asyncmsgq_wait_for(u->thread_mq.inq, PA_MESSAGE_SHUTDOWN);
finish:
pa_log_debug("Thread shutting down");
}
static void thread_func(void *userdata) {
struct userdata *u = userdata;
unsigned short revents = 0;
int ret, err;
audio_info_t info;
pa_assert(u);
pa_log_debug("Thread starting up");
if (u->core->realtime_scheduling)
pa_make_realtime(u->core->realtime_priority);
pa_thread_mq_install(&u->thread_mq);
pa_smoother_set_time_offset(u->smoother, pa_rtclock_now());
for (;;) {
/* Render some data and write it to the dsp */
if (PA_UNLIKELY(u->sink->thread_info.rewind_requested))
process_rewind(u);
if (u->sink && PA_SINK_IS_OPENED(u->sink->thread_info.state)) {
pa_usec_t xtime0, ysleep_interval, xsleep_interval;
uint64_t buffered_bytes;
err = ioctl(u->fd, AUDIO_GETINFO, &info);
if (err < 0) {
pa_log("AUDIO_GETINFO ioctl failed: %s", pa_cstrerror(errno));
goto fail;
}
if (info.play.error) {
pa_log_debug("buffer under-run!");
AUDIO_INITINFO(&info);
info.play.error = 0;
if (ioctl(u->fd, AUDIO_SETINFO, &info) < 0)
pa_log("AUDIO_SETINFO: %s", pa_cstrerror(errno));
pa_smoother_reset(u->smoother, pa_rtclock_now(), true);
}
for (;;) {
void *p;
ssize_t w;
size_t len;
int write_type = 1;
/*
* Since we cannot modify the size of the output buffer we fake it
* by not filling it more than u->buffer_size.
*/
xtime0 = pa_rtclock_now();
buffered_bytes = get_playback_buffered_bytes(u);
if (buffered_bytes >= (uint64_t)u->buffer_size)
break;
len = u->buffer_size - buffered_bytes;
len -= len % u->frame_size;
if (len < (size_t) u->minimum_request)
break;
if (!u->memchunk.length)
pa_sink_render(u->sink, u->sink->thread_info.max_request, &u->memchunk);
len = PA_MIN(u->memchunk.length, len);
p = pa_memblock_acquire(u->memchunk.memblock);
w = pa_write(u->fd, (uint8_t*) p + u->memchunk.index, len, &write_type);
pa_memblock_release(u->memchunk.memblock);
if (w <= 0) {
if (errno == EINTR) {
continue;
} else if (errno == EAGAIN) {
/* We may have realtime priority so yield the CPU to ensure that fd can become writable again. */
pa_log_debug("EAGAIN with %llu bytes buffered.", buffered_bytes);
break;
} else {
pa_log("Failed to write data to DSP: %s", pa_cstrerror(errno));
goto fail;
}
} else {
pa_assert(w % u->frame_size == 0);
u->written_bytes += w;
u->memchunk.index += w;
u->memchunk.length -= w;
if (u->memchunk.length <= 0) {
pa_memblock_unref(u->memchunk.memblock);
pa_memchunk_reset(&u->memchunk);
}
}
}
ysleep_interval = pa_bytes_to_usec(buffered_bytes / 2, &u->sink->sample_spec);
xsleep_interval = pa_smoother_translate(u->smoother, xtime0, ysleep_interval);
pa_rtpoll_set_timer_absolute(u->rtpoll, xtime0 + PA_MIN(xsleep_interval, ysleep_interval));
} else
pa_rtpoll_set_timer_disabled(u->rtpoll);
/* Try to read some data and pass it on to the source driver */
if (u->source && PA_SOURCE_IS_OPENED(u->source->thread_info.state) && (revents & POLLIN)) {
pa_memchunk memchunk;
void *p;
ssize_t r;
size_t len;
err = ioctl(u->fd, AUDIO_GETINFO, &info);
pa_assert(err >= 0);
if (info.record.error) {
pa_log_debug("buffer overflow!");
AUDIO_INITINFO(&info);
info.record.error = 0;
if (ioctl(u->fd, AUDIO_SETINFO, &info) < 0)
pa_log("AUDIO_SETINFO: %s", pa_cstrerror(errno));
}
err = ioctl(u->fd, I_NREAD, &len);
pa_assert(err >= 0);
if (len > 0) {
memchunk.memblock = pa_memblock_new(u->core->mempool, len);
pa_assert(memchunk.memblock);
p = pa_memblock_acquire(memchunk.memblock);
r = pa_read(u->fd, p, len, NULL);
pa_memblock_release(memchunk.memblock);
if (r < 0) {
pa_memblock_unref(memchunk.memblock);
if (errno == EAGAIN)
break;
else {
pa_log("Failed to read data from DSP: %s", pa_cstrerror(errno));
goto fail;
}
} else {
u->read_bytes += r;
memchunk.index = 0;
memchunk.length = r;
pa_source_post(u->source, &memchunk);
pa_memblock_unref(memchunk.memblock);
revents &= ~POLLIN;
}
}
}
if (u->rtpoll_item) {
struct pollfd *pollfd;
pa_assert(u->fd >= 0);
pollfd = pa_rtpoll_item_get_pollfd(u->rtpoll_item, NULL);
pollfd->events = (u->source && PA_SOURCE_IS_OPENED(u->source->thread_info.state)) ? POLLIN : 0;
}
/* Hmm, nothing to do. Let's sleep */
if ((ret = pa_rtpoll_run(u->rtpoll, true)) < 0)
goto fail;
if (ret == 0)
goto finish;
if (u->rtpoll_item) {
struct pollfd *pollfd;
pollfd = pa_rtpoll_item_get_pollfd(u->rtpoll_item, NULL);
if (pollfd->revents & ~(POLLOUT|POLLIN)) {
pa_log("DSP shutdown.");
goto fail;
}
revents = pollfd->revents;
} else
revents = 0;
}
fail:
/* We have to continue processing messages until we receive the
* SHUTDOWN message */
pa_asyncmsgq_post(u->thread_mq.outq, PA_MSGOBJECT(u->core), PA_CORE_MESSAGE_UNLOAD_MODULE, u->module, 0, NULL, NULL);
pa_asyncmsgq_wait_for(u->thread_mq.inq, PA_MESSAGE_SHUTDOWN);
finish:
pa_log_debug("Thread shutting down");
}
