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https://gitlab.freedesktop.org/pulseaudio/pulseaudio.git
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108 lines
2.9 KiB
C
108 lines
2.9 KiB
C
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/***
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This file is part of PulseAudio.
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Copyright 2006 Lennart Poettering
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Copyright 2009 Canonical Ltd
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Copyright (C) 2012 Intel Corporation
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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 2.1 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 <pulse/xmalloc.h>
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#include <pulsecore/core.h>
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#include <pulsecore/source-output.h>
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#include <pulsecore/source.h>
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#include <pulsecore/core-util.h>
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#include "module-bluetooth-policy-symdef.h"
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PA_MODULE_AUTHOR("Frédéric Dalleau");
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PA_MODULE_DESCRIPTION("When an A2DP source is added, load module-loopback");
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PA_MODULE_VERSION(PACKAGE_VERSION);
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PA_MODULE_LOAD_ONCE(TRUE);
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struct userdata {
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pa_hook_slot *source_put_slot;
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};
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/* When a source is created, loopback it to default sink */
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static pa_hook_result_t source_put_hook_callback(pa_core *c, pa_source *source, void* userdata) {
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const char *s;
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const char *role;
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char *args;
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pa_assert(c);
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pa_assert(source);
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/* Only consider bluetooth sinks and sources */
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s = pa_proplist_gets(source->proplist, PA_PROP_DEVICE_BUS);
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if (!s)
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return PA_HOOK_OK;
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if (!pa_streq(s, "bluetooth"))
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return PA_HOOK_OK;
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/* Restrict to A2DP profile (sink role) */
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s = pa_proplist_gets(source->proplist, "bluetooth.protocol");
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if (!s)
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return PA_HOOK_OK;
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if pa_streq(s, "a2dp_source")
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role = "music";
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else {
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pa_log_debug("Profile %s cannot be selected for loopback", s);
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return PA_HOOK_OK;
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}
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/* Load module-loopback */
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args = pa_sprintf_malloc("source=\"%s\" source_dont_move=\"true\" sink_input_properties=\"media.role=%s\"", source->name, role);
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(void) pa_module_load(c, "module-loopback", args);
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pa_xfree(args);
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return PA_HOOK_OK;
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}
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int pa__init(pa_module*m) {
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struct userdata *u;
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pa_assert(m);
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m->userdata = u = pa_xnew(struct userdata, 1);
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u->source_put_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SOURCE_PUT], PA_HOOK_NORMAL, (pa_hook_cb_t) source_put_hook_callback, u);
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return 0;
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}
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void pa__done(pa_module*m) {
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struct userdata *u;
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pa_assert(m);
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if (!(u = m->userdata))
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return;
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if (u->source_put_slot)
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pa_hook_slot_free(u->source_put_slot);
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pa_xfree(u);
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}
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