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https://gitlab.freedesktop.org/pulseaudio/pulseaudio.git
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521daf6f0a
mmmkay? git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@1418 fefdeb5f-60dc-0310-8127-8f9354f1896f
89 lines
2.5 KiB
C
89 lines
2.5 KiB
C
/* $Id$ */
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/***
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This file is part of PulseAudio.
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PulseAudio is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published
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by the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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PulseAudio is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with PulseAudio; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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USA.
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***/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <assert.h>
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#include <stdio.h>
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#include <pulsecore/gccmacro.h>
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#include <pulsecore/pstream-util.h>
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#include "internal.h"
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#include "subscribe.h"
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void pa_command_subscribe_event(pa_pdispatch *pd, uint32_t command, PA_GCC_UNUSED uint32_t tag, pa_tagstruct *t, void *userdata) {
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pa_context *c = userdata;
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pa_subscription_event_type_t e;
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uint32_t idx;
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assert(pd);
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assert(command == PA_COMMAND_SUBSCRIBE_EVENT);
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assert(t);
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assert(c);
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pa_context_ref(c);
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if (pa_tagstruct_getu32(t, &e) < 0 ||
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pa_tagstruct_getu32(t, &idx) < 0 ||
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!pa_tagstruct_eof(t)) {
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pa_context_fail(c, PA_ERR_PROTOCOL);
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goto finish;
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}
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if (c->subscribe_callback)
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c->subscribe_callback(c, e, idx, c->subscribe_userdata);
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finish:
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pa_context_unref(c);
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}
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pa_operation* pa_context_subscribe(pa_context *c, pa_subscription_mask_t m, pa_context_success_cb_t cb, void *userdata) {
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pa_operation *o;
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pa_tagstruct *t;
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uint32_t tag;
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assert(c);
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assert(c->ref >= 1);
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PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
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o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata);
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t = pa_tagstruct_command(c, PA_COMMAND_SUBSCRIBE, &tag);
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pa_tagstruct_putu32(t, m);
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pa_pstream_send_tagstruct(c->pstream, t);
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pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, pa_context_simple_ack_callback, pa_operation_ref(o), (pa_free_cb_t) pa_operation_unref);
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return o;
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}
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void pa_context_set_subscribe_callback(pa_context *c, pa_context_subscribe_cb_t cb, void *userdata) {
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assert(c);
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assert(c->ref >= 1);
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c->subscribe_callback = cb;
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c->subscribe_userdata = userdata;
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}
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