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notify clients about tlength changes

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This commit is contained in:
Lennart Poettering 2009-03-30 18:46:12 +02:00
parent 491aafd8dc
commit 65b787d000
7 changed files with 327 additions and 206 deletions
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92
src/pulse/stream.c
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@ -72,6 +72,8 @@ static void reset_callbacks(pa_stream *s) {
s->started_userdata = NULL;
s->event_callback = NULL;
s->event_userdata = NULL;
s->buffer_attr_callback = NULL;
s->buffer_attr_userdata = NULL;
}
pa_stream *pa_stream_new_with_proplist(
@ -396,7 +398,7 @@ void pa_command_stream_moved(pa_pdispatch *pd, uint32_t command, uint32_t tag, p
const char *dn;
pa_bool_t suspended;
uint32_t di;
pa_usec_t usec;
pa_usec_t usec = 0;
uint32_t maxlength = 0, fragsize = 0, minreq = 0, tlength = 0, prebuf = 0;
pa_assert(pd);
@ -486,6 +488,80 @@ finish:
pa_context_unref(c);
}
void pa_command_stream_buffer_attr(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
pa_context *c = userdata;
pa_stream *s;
uint32_t channel;
pa_usec_t usec = 0;
uint32_t maxlength = 0, fragsize = 0, minreq = 0, tlength = 0, prebuf = 0;
pa_assert(pd);
pa_assert(command == PA_COMMAND_PLAYBACK_BUFFER_ATTR_CHANGED || command == PA_COMMAND_RECORD_BUFFER_ATTR_CHANGED);
pa_assert(t);
pa_assert(c);
pa_assert(PA_REFCNT_VALUE(c) >= 1);
pa_context_ref(c);
if (c->version < 15) {
pa_context_fail(c, PA_ERR_PROTOCOL);
goto finish;
}
if (pa_tagstruct_getu32(t, &channel) < 0) {
pa_context_fail(c, PA_ERR_PROTOCOL);
goto finish;
}
if (command == PA_COMMAND_RECORD_STREAM_MOVED) {
if (pa_tagstruct_getu32(t, &maxlength) < 0 ||
pa_tagstruct_getu32(t, &fragsize) < 0 ||
pa_tagstruct_get_usec(t, &usec) < 0) {
pa_context_fail(c, PA_ERR_PROTOCOL);
goto finish;
}
} else {
if (pa_tagstruct_getu32(t, &maxlength) < 0 ||
pa_tagstruct_getu32(t, &tlength) < 0 ||
pa_tagstruct_getu32(t, &prebuf) < 0 ||
pa_tagstruct_getu32(t, &minreq) < 0 ||
pa_tagstruct_get_usec(t, &usec) < 0) {
pa_context_fail(c, PA_ERR_PROTOCOL);
goto finish;
}
}
if (!pa_tagstruct_eof(t)) {
pa_context_fail(c, PA_ERR_PROTOCOL);
goto finish;
}
if (!(s = pa_dynarray_get(command == PA_COMMAND_PLAYBACK_BUFFER_ATTR_CHANGED ? c->playback_streams : c->record_streams, channel)))
goto finish;
if (s->state != PA_STREAM_READY)
goto finish;
if (s->direction == PA_STREAM_RECORD)
s->timing_info.configured_source_usec = usec;
else
s->timing_info.configured_sink_usec = usec;
s->buffer_attr.maxlength = maxlength;
s->buffer_attr.fragsize = fragsize;
s->buffer_attr.tlength = tlength;
s->buffer_attr.prebuf = prebuf;
s->buffer_attr.minreq = minreq;
request_auto_timing_update(s, TRUE);
if (s->buffer_attr_callback)
s->buffer_attr_callback(s, s->buffer_attr_userdata);
finish:
pa_context_unref(c);
}
void pa_command_stream_suspended(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
pa_context *c = userdata;
pa_stream *s;
@ -1798,6 +1874,20 @@ void pa_stream_set_event_callback(pa_stream *s, pa_stream_event_cb_t cb, void *u
s->event_userdata = userdata;
}
void pa_stream_set_buffer_attr_callback(pa_stream *s, pa_stream_notify_cb_t cb, void *userdata) {
pa_assert(s);
pa_assert(PA_REFCNT_VALUE(s) >= 1);
if (pa_detect_fork())
return;
if (s->state == PA_STREAM_TERMINATED || s->state == PA_STREAM_FAILED)
return;
s->buffer_attr_callback = cb;
s->buffer_attr_userdata = userdata;
}
void pa_stream_simple_ack_callback(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
pa_operation *o = userdata;
int success = 1;