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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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61
src/polyp.c
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@ -75,6 +75,9 @@ struct pa_stream {
void (*create_complete_callback)(struct pa_stream *s, int success, void *userdata);
void *create_complete_userdata;
void (*drain_complete_callback)(struct pa_stream *s, void *userdata);
void *drain_complete_userdata;
void (*die_callback)(struct pa_stream*c, void *userdata);
void *die_userdata;
@ -538,8 +541,10 @@ struct pa_stream* pa_stream_new(
void pa_stream_free(struct pa_stream *s) {
assert(s && s->context);
free(s->name);
pa_pdispatch_unregister_reply(s->context->pdispatch, s);
free(s->name);
if (s->channel_valid && s->context->state == CONTEXT_READY) {
struct pa_tagstruct *t = pa_tagstruct_new(NULL, 0);
assert(t);
@ -683,3 +688,57 @@ int pa_context_drain(
return 0;
}
static void stream_drain_callback(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) {
struct pa_stream *s = userdata;
assert(pd && s);
if (command != PA_COMMAND_REPLY) {
if (handle_error(s->context, command, t) < 0) {
context_dead(s->context);
return;
}
stream_dead(s);
return;
}
if (s->state != STREAM_READY)
return;
if (!pa_tagstruct_eof(t)) {
s->context->error = PA_ERROR_PROTOCOL;
context_dead(s->context);
return;
}
if (s->drain_complete_callback) {
void (*temp) (struct pa_stream*s, void *userdata) = s->drain_complete_callback;
s->drain_complete_callback = NULL;
temp(s, s->drain_complete_userdata);
}
}
void pa_stream_drain(struct pa_stream *s, void (*complete) (struct pa_stream*s, void *userdata), void *userdata) {
struct pa_tagstruct *t;
uint32_t tag;
assert(s && s->state == STREAM_READY);
if (!complete) {
s->drain_complete_callback = NULL;
return;
}
s->drain_complete_callback = complete;
s->drain_complete_userdata = userdata;
t = pa_tagstruct_new(NULL, 0);
assert(t);
pa_tagstruct_putu32(t, PA_COMMAND_DRAIN_PLAYBACK_STREAM);
pa_tagstruct_putu32(t, tag = s->context->ctag++);
pa_tagstruct_putu32(t, s->channel);
pa_pstream_send_tagstruct(s->context->pstream, t);
pa_pdispatch_register_reply(s->context->pdispatch, tag, DEFAULT_TIMEOUT, stream_drain_callback, s);
}