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add output stream draining

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git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@53 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2004-07-07 22:02:15 +00:00
parent e8d1185c42
commit 863fb90d90
12 changed files with 200 additions and 28 deletions
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34
src/simple.c
View file

@ -11,23 +11,25 @@ struct pa_simple {
struct pa_context *context;
struct pa_stream *stream;
int dead;
int dead, drained;
};
static int iterate(struct pa_simple *p, int block, int *perror) {
assert(p && p->context && p->mainloop && perror);
assert(p && p->context && p->mainloop);
if (!block && !pa_context_is_pending(p->context))
return 0;
do {
if (pa_context_is_dead(p->context) || (p->stream && pa_stream_is_dead(p->stream))) {
*perror = pa_context_errno(p->context);
if (perror)
*perror = pa_context_errno(p->context);
return -1;
}
if (pa_mainloop_iterate(p->mainloop, 1, NULL) < 0) {
*perror = PA_ERROR_INTERNAL;
if (perror)
*perror = PA_ERROR_INTERNAL;
return -1;
}
} while (pa_context_is_pending(p->context));
@ -83,7 +85,8 @@ struct pa_simple* pa_simple_new(
return p;
fail:
*perror = error;
if (perror)
*perror = error;
pa_simple_free(p);
return NULL;
}
@ -132,3 +135,24 @@ int pa_simple_read(struct pa_simple *s, void*data, size_t length, int *perror) {
assert(0);
}
static void drain_complete(struct pa_stream *s, void *userdata) {
struct pa_simple *p = userdata;
assert(s && p);
p->drained = 1;
}
int pa_simple_drain(struct pa_simple *p, int *perror) {
assert(p);
p->drained = 0;
pa_stream_drain(p->stream, drain_complete, p);
while (!p->drained) {
if (iterate(p, 1, perror) < 0) {
pa_stream_drain(p->stream, NULL, NULL);
return -1;
}
}
return 0;
}