Big pile of interdependant changes:

* Fix a deadlock when an asyncq overflows and an RT thread needed to wait until space became available again while the main thread was waiting for a operation to complete and thus didn't free any new items. Now, if the asyncq overflows, queue those items temporarily, and return immediately. Then, when the queue becomes writable again, flush it.
* Modify pa_thread_mq_init() to also set up pa_rtpoll events properly for the MQ
* Some more pa_bool_t'ization
* Unify more common code between alsa-sink and alsa-source
* The upper limit for the tsched watermark is max_use minus one frame
* make module-alsa-source work
* make the alsa modules use pa_alsa_build_pollfd() now
* fix detection of dB scale for alsa-source


git-svn-id: file:///home/lennart/svn/public/pulseaudio/branches/glitch-free@2308 fefdeb5f-60dc-0310-8127-8f9354f1896f

1 files changed, 27 insertions, 9 deletions

diff --git a/src/pulsecore/asyncmsgq.c b/src/pulsecore/asyncmsgq.c
index 96b43a71..eba1c2cb 100644
--- a/src/pulsecore/asyncmsgq.c
+++ b/src/pulsecore/asyncmsgq.c
@@ -136,7 +136,7 @@ void pa_asyncmsgq_post(pa_asyncmsgq *a, pa_msgobject *object, int code, const vo
 
     /* This mutex makes the queue multiple-writer safe. This lock is only used on the writing side */
     pa_mutex_lock(a->mutex);
-    pa_assert_se(pa_asyncq_push(a->asyncq, i, 1) == 0);
+    pa_asyncq_post(a->asyncq, i);
     pa_mutex_unlock(a->mutex);
 }
 
@@ -163,7 +163,7 @@ int pa_asyncmsgq_send(pa_asyncmsgq *a, pa_msgobject *object, int code, const voi
 
     /* Thus mutex makes the queue multiple-writer safe. This lock is only used on the writing side */
     pa_mutex_lock(a->mutex);
-    pa_assert_se(pa_asyncq_push(a->asyncq, &i, 1) == 0);
+    pa_assert_se(pa_asyncq_push(a->asyncq, &i, TRUE) == 0);
     pa_mutex_unlock(a->mutex);
 
     pa_semaphore_wait(i.semaphore);
@@ -174,7 +174,7 @@ int pa_asyncmsgq_send(pa_asyncmsgq *a, pa_msgobject *object, int code, const voi
     return i.ret;
 }
 
-int pa_asyncmsgq_get(pa_asyncmsgq *a, pa_msgobject **object, int *code, void **userdata, int64_t *offset, pa_memchunk *chunk, int wait) {
+int pa_asyncmsgq_get(pa_asyncmsgq *a, pa_msgobject **object, int *code, void **userdata, int64_t *offset, pa_memchunk *chunk, pa_bool_t wait) {
     pa_assert(PA_REFCNT_VALUE(a) > 0);
     pa_assert(!a->current);
 
@@ -276,22 +276,40 @@ int pa_asyncmsgq_process_one(pa_asyncmsgq *a) {
     return 1;
 }
 
-int pa_asyncmsgq_get_fd(pa_asyncmsgq *a) {
+int pa_asyncmsgq_read_fd(pa_asyncmsgq *a) {
     pa_assert(PA_REFCNT_VALUE(a) > 0);
 
-    return pa_asyncq_get_fd(a->asyncq);
+    return pa_asyncq_read_fd(a->asyncq);
 }
 
-int pa_asyncmsgq_before_poll(pa_asyncmsgq *a) {
+int pa_asyncmsgq_read_before_poll(pa_asyncmsgq *a) {
     pa_assert(PA_REFCNT_VALUE(a) > 0);
 
-    return pa_asyncq_before_poll(a->asyncq);
+    return pa_asyncq_read_before_poll(a->asyncq);
 }
 
-void pa_asyncmsgq_after_poll(pa_asyncmsgq *a) {
+void pa_asyncmsgq_read_after_poll(pa_asyncmsgq *a) {
     pa_assert(PA_REFCNT_VALUE(a) > 0);
 
-    pa_asyncq_after_poll(a->asyncq);
+    pa_asyncq_read_after_poll(a->asyncq);
+}
+
+int pa_asyncmsgq_write_fd(pa_asyncmsgq *a) {
+    pa_assert(PA_REFCNT_VALUE(a) > 0);
+
+    return pa_asyncq_write_fd(a->asyncq);
+}
+
+void pa_asyncmsgq_write_before_poll(pa_asyncmsgq *a) {
+    pa_assert(PA_REFCNT_VALUE(a) > 0);
+
+    pa_asyncq_write_before_poll(a->asyncq);
+}
+
+void pa_asyncmsgq_write_after_poll(pa_asyncmsgq *a) {
+    pa_assert(PA_REFCNT_VALUE(a) > 0);
+
+    pa_asyncq_write_after_poll(a->asyncq);
 }
 
 int pa_asyncmsgq_dispatch(pa_msgobject *object, int code, void *userdata, int64_t offset, pa_memchunk *memchunk) {