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osx: re-order module locations

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move all Mac OS X related modules to own location.
This commit is contained in:
Daniel Mack 2011-03-14 14:05:04 +01:00
parent 9a4ae4cbd5
commit 249384c7a2
4 changed files with 3 additions and 3 deletions
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515
src/modules/macosx/module-bonjour-publish.c Normal file
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@ -0,0 +1,515 @@
/***
This file is part of PulseAudio.
Copyright 2009 Daniel Mack
based on module-zeroconf-publish.c
PulseAudio is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 2.1 of the
License, or (at your option) any later version.
PulseAudio is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with PulseAudio; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA.
***/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <dns_sd.h>
#include <CoreFoundation/CoreFoundation.h>
#include <pulse/xmalloc.h>
#include <pulse/util.h>
#include <pulsecore/parseaddr.h>
#include <pulsecore/sink.h>
#include <pulsecore/source.h>
#include <pulsecore/native-common.h>
#include <pulsecore/core-util.h>
#include <pulsecore/log.h>
#include <pulsecore/core-subscribe.h>
#include <pulsecore/dynarray.h>
#include <pulsecore/modargs.h>
#include <pulsecore/endianmacros.h>
#include <pulsecore/protocol-native.h>
#include "module-bonjour-publish-symdef.h"
PA_MODULE_AUTHOR("Daniel Mack");
PA_MODULE_DESCRIPTION("Mac OS X Bonjour Service Publisher");
PA_MODULE_VERSION(PACKAGE_VERSION);
PA_MODULE_LOAD_ONCE(TRUE);
#define SERVICE_TYPE_SINK "_pulse-sink._tcp"
#define SERVICE_TYPE_SOURCE "_pulse-source._tcp"
#define SERVICE_TYPE_SERVER "_pulse-server._tcp"
static const char* const valid_modargs[] = {
NULL
};
enum service_subtype {
SUBTYPE_HARDWARE,
SUBTYPE_VIRTUAL,
SUBTYPE_MONITOR
};
struct service {
struct userdata *userdata;
DNSServiceRef service;
DNSRecordRef rec, rec2;
char *service_name;
pa_object *device;
enum service_subtype subtype;
};
struct userdata {
pa_core *core;
pa_module *module;
pa_hashmap *services;
char *service_name;
pa_hook_slot *sink_new_slot, *source_new_slot, *sink_unlink_slot, *source_unlink_slot, *sink_changed_slot, *source_changed_slot;
pa_native_protocol *native;
DNSServiceRef main_service;
};
static void get_service_data(struct service *s, pa_sample_spec *ret_ss, pa_channel_map *ret_map, const char **ret_name, pa_proplist **ret_proplist, enum service_subtype *ret_subtype) {
pa_assert(s);
pa_assert(ret_ss);
pa_assert(ret_proplist);
pa_assert(ret_subtype);
if (pa_sink_isinstance(s->device)) {
pa_sink *sink = PA_SINK(s->device);
*ret_ss = sink->sample_spec;
*ret_map = sink->channel_map;
*ret_name = sink->name;
*ret_proplist = sink->proplist;
*ret_subtype = sink->flags & PA_SINK_HARDWARE ? SUBTYPE_HARDWARE : SUBTYPE_VIRTUAL;
} else if (pa_source_isinstance(s->device)) {
pa_source *source = PA_SOURCE(s->device);
*ret_ss = source->sample_spec;
*ret_map = source->channel_map;
*ret_name = source->name;
*ret_proplist = source->proplist;
*ret_subtype = source->monitor_of ? SUBTYPE_MONITOR : (source->flags & PA_SOURCE_HARDWARE ? SUBTYPE_HARDWARE : SUBTYPE_VIRTUAL);
} else
pa_assert_not_reached();
}
static void txt_record_server_data(pa_core *c, TXTRecordRef *txt) {
char s[128];
char *t;
pa_assert(c);
TXTRecordSetValue(txt, "server-version", strlen(PACKAGE_NAME" "PACKAGE_VERSION), PACKAGE_NAME" "PACKAGE_VERSION);
t = pa_get_user_name_malloc();
TXTRecordSetValue(txt, "user-name", strlen(t), t);
pa_xfree(t);
t = pa_machine_id();
TXTRecordSetValue(txt, "machine-id", strlen(t), t);
pa_xfree(t);
t = pa_uname_string();
TXTRecordSetValue(txt, "uname", strlen(t), t);
pa_xfree(t);
t = pa_get_fqdn(s, sizeof(s));
TXTRecordSetValue(txt, "fqdn", strlen(t), t);
snprintf(s, sizeof(s), "0x%08x", c->cookie);
TXTRecordSetValue(txt, "cookie", strlen(s), s);
}
static void service_free(struct service *s);
static void dns_service_register_reply(DNSServiceRef sdRef,
DNSServiceFlags flags,
DNSServiceErrorType errorCode,
const char *name,
const char *regtype,
const char *domain,
void *context) {
struct service *s = context;
pa_assert(s);
switch (errorCode) {
case kDNSServiceErr_NameConflict:
pa_log("DNS service reported kDNSServiceErr_NameConflict\n");
service_free(s);
break;
case kDNSServiceErr_NoError:
default:
break;
}
}
static uint16_t compute_port(struct userdata *u) {
pa_strlist *i;
pa_assert(u);
for (i = pa_native_protocol_servers(u->native); i; i = pa_strlist_next(i)) {
pa_parsed_address a;
if (pa_parse_address(pa_strlist_data(i), &a) >= 0 &&
(a.type == PA_PARSED_ADDRESS_TCP4 ||
a.type == PA_PARSED_ADDRESS_TCP6 ||
a.type == PA_PARSED_ADDRESS_TCP_AUTO) &&
a.port > 0) {
pa_xfree(a.path_or_host);
return a.port;
}
pa_xfree(a.path_or_host);
}
return PA_NATIVE_DEFAULT_PORT;
}
static int publish_service(struct service *s) {
int r = -1;
TXTRecordRef txt;
DNSServiceErrorType err;
const char *name = NULL, *t;
pa_proplist *proplist = NULL;
pa_sample_spec ss;
pa_channel_map map;
char cm[PA_CHANNEL_MAP_SNPRINT_MAX], tmp[64];
enum service_subtype subtype;
const char * const subtype_text[] = {
[SUBTYPE_HARDWARE] = "hardware",
[SUBTYPE_VIRTUAL] = "virtual",
[SUBTYPE_MONITOR] = "monitor"
};
pa_assert(s);
if (s->service) {
DNSServiceRefDeallocate(s->service);
s->service = NULL;
}
TXTRecordCreate(&txt, 0, NULL);
txt_record_server_data(s->userdata->core, &txt);
get_service_data(s, &ss, &map, &name, &proplist, &subtype);
TXTRecordSetValue(&txt, "device", strlen(name), name);
snprintf(tmp, sizeof(tmp), "%u", ss.rate);
TXTRecordSetValue(&txt, "rate", strlen(tmp), tmp);
snprintf(tmp, sizeof(tmp), "%u", ss.channels);
TXTRecordSetValue(&txt, "channels", strlen(tmp), tmp);
t = pa_sample_format_to_string(ss.format);
TXTRecordSetValue(&txt, "format", strlen(t), t);
t = pa_channel_map_snprint(cm, sizeof(cm), &map);
TXTRecordSetValue(&txt, "channel_map", strlen(t), t);
t = subtype_text[subtype];
TXTRecordSetValue(&txt, "subtype", strlen(t), t);
if ((t = pa_proplist_gets(proplist, PA_PROP_DEVICE_DESCRIPTION)))
TXTRecordSetValue(&txt, "description", strlen(t), t);
if ((t = pa_proplist_gets(proplist, PA_PROP_DEVICE_ICON_NAME)))
TXTRecordSetValue(&txt, "icon-name", strlen(t), t);
if ((t = pa_proplist_gets(proplist, PA_PROP_DEVICE_VENDOR_NAME)))
TXTRecordSetValue(&txt, "vendor-name", strlen(t), t);
if ((t = pa_proplist_gets(proplist, PA_PROP_DEVICE_PRODUCT_NAME)))
TXTRecordSetValue(&txt, "product-name", strlen(t), t);
if ((t = pa_proplist_gets(proplist, PA_PROP_DEVICE_CLASS)))
TXTRecordSetValue(&txt, "class", strlen(t), t);
if ((t = pa_proplist_gets(proplist, PA_PROP_DEVICE_FORM_FACTOR)))
TXTRecordSetValue(&txt, "form-factor", strlen(t), t);
err = DNSServiceRegister(&s->service,
0, /* flags */
kDNSServiceInterfaceIndexAny,
s->service_name,
pa_sink_isinstance(s->device) ? SERVICE_TYPE_SINK : SERVICE_TYPE_SOURCE,
NULL, /* domain */
NULL, /* host */
compute_port(s->userdata),
TXTRecordGetLength(&txt),
TXTRecordGetBytesPtr(&txt),
dns_service_register_reply, s);
if (err != kDNSServiceErr_NoError) {
pa_log("DNSServiceRegister() returned err %d", err);
goto finish;
}
pa_log_debug("Successfully registered Bonjour services for >%s<.", s->service_name);
return 0;
finish:
/* Remove this service */
if (r < 0)
service_free(s);
TXTRecordDeallocate(&txt);
return r;
}
static struct service *get_service(struct userdata *u, pa_object *device) {
struct service *s;
char *hn, *un;
const char *n;
pa_assert(u);
pa_object_assert_ref(device);
if ((s = pa_hashmap_get(u->services, device)))
return s;
s = pa_xnew0(struct service, 1);
s->userdata = u;
s->device = device;
if (pa_sink_isinstance(device)) {
if (!(n = pa_proplist_gets(PA_SINK(device)->proplist, PA_PROP_DEVICE_DESCRIPTION)))
n = PA_SINK(device)->name;
} else {
if (!(n = pa_proplist_gets(PA_SOURCE(device)->proplist, PA_PROP_DEVICE_DESCRIPTION)))
n = PA_SOURCE(device)->name;
}
hn = pa_get_host_name_malloc();
un = pa_get_user_name_malloc();
s->service_name = pa_truncate_utf8(pa_sprintf_malloc("%s@%s: %s", un, hn, n), kDNSServiceMaxDomainName-1);
pa_xfree(un);
pa_xfree(hn);
pa_hashmap_put(u->services, s->device, s);
return s;
}
static void service_free(struct service *s) {
pa_assert(s);
pa_hashmap_remove(s->userdata->services, s->device);
if (s->service)
DNSServiceRefDeallocate(s->service);
pa_xfree(s->service_name);
pa_xfree(s);
}
static pa_bool_t shall_ignore(pa_object *o) {
pa_object_assert_ref(o);
if (pa_sink_isinstance(o))
return !!(PA_SINK(o)->flags & PA_SINK_NETWORK);
if (pa_source_isinstance(o))
return PA_SOURCE(o)->monitor_of || (PA_SOURCE(o)->flags & PA_SOURCE_NETWORK);
pa_assert_not_reached();
}
static pa_hook_result_t device_new_or_changed_cb(pa_core *c, pa_object *o, struct userdata *u) {
pa_assert(c);
pa_object_assert_ref(o);
if (!shall_ignore(o))
publish_service(get_service(u, o));
return PA_HOOK_OK;
}
static pa_hook_result_t device_unlink_cb(pa_core *c, pa_object *o, struct userdata *u) {
struct service *s;
pa_assert(c);
pa_object_assert_ref(o);
if ((s = pa_hashmap_get(u->services, o)))
service_free(s);
return PA_HOOK_OK;
}
static int publish_main_service(struct userdata *u) {
DNSServiceErrorType err;
TXTRecordRef txt;
pa_assert(u);
if (u->main_service) {
DNSServiceRefDeallocate(u->main_service);
u->main_service = NULL;
}
TXTRecordCreate(&txt, 0, NULL);
txt_record_server_data(u->core, &txt);
err = DNSServiceRegister(&u->main_service,
0, /* flags */
kDNSServiceInterfaceIndexAny,
u->service_name,
SERVICE_TYPE_SERVER,
NULL, /* domain */
NULL, /* host */
compute_port(u),
TXTRecordGetLength(&txt),
TXTRecordGetBytesPtr(&txt),
NULL, NULL);
if (err != kDNSServiceErr_NoError) {
pa_log("%s(): DNSServiceRegister() returned err %d", __func__, err);
return err;
}
TXTRecordDeallocate(&txt);
return 0;
}
static int publish_all_services(struct userdata *u) {
pa_sink *sink;
pa_source *source;
uint32_t idx;
pa_assert(u);
pa_log_debug("Publishing services in Bonjour");
for (sink = PA_SINK(pa_idxset_first(u->core->sinks, &idx)); sink; sink = PA_SINK(pa_idxset_next(u->core->sinks, &idx)))
if (!shall_ignore(PA_OBJECT(sink)))
publish_service(get_service(u, PA_OBJECT(sink)));
for (source = PA_SOURCE(pa_idxset_first(u->core->sources, &idx)); source; source = PA_SOURCE(pa_idxset_next(u->core->sources, &idx)))
if (!shall_ignore(PA_OBJECT(source)))
publish_service(get_service(u, PA_OBJECT(source)));
return publish_main_service(u);
}
static void unpublish_all_services(struct userdata *u) {
void *state = NULL;
struct service *s;
pa_assert(u);
pa_log_debug("Unpublishing services in Bonjour");
while ((s = pa_hashmap_iterate(u->services, &state, NULL)))
service_free(s);
if (u->main_service)
DNSServiceRefDeallocate(u->main_service);
}
int pa__init(pa_module*m) {
struct userdata *u;
pa_modargs *ma = NULL;
char *hn, *un;
if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
pa_log("Failed to parse module arguments.");
goto fail;
}
m->userdata = u = pa_xnew0(struct userdata, 1);
u->core = m->core;
u->module = m;
u->native = pa_native_protocol_get(u->core);
u->services = pa_hashmap_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
u->sink_new_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_PUT], PA_HOOK_LATE, (pa_hook_cb_t) device_new_or_changed_cb, u);
u->sink_changed_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_PROPLIST_CHANGED], PA_HOOK_LATE, (pa_hook_cb_t) device_new_or_changed_cb, u);
u->sink_unlink_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_UNLINK], PA_HOOK_LATE, (pa_hook_cb_t) device_unlink_cb, u);
u->source_new_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SOURCE_PUT], PA_HOOK_LATE, (pa_hook_cb_t) device_new_or_changed_cb, u);
u->source_changed_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SOURCE_PROPLIST_CHANGED], PA_HOOK_LATE, (pa_hook_cb_t) device_new_or_changed_cb, u);
u->source_unlink_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SOURCE_UNLINK], PA_HOOK_LATE, (pa_hook_cb_t) device_unlink_cb, u);
un = pa_get_user_name_malloc();
hn = pa_get_host_name_malloc();
u->service_name = pa_truncate_utf8(pa_sprintf_malloc("%s@%s", un, hn), kDNSServiceMaxDomainName-1);
pa_xfree(un);
pa_xfree(hn);
publish_all_services(u);
pa_modargs_free(ma);
return 0;
fail:
pa__done(m);
if (ma)
pa_modargs_free(ma);
return -1;
}
void pa__done(pa_module*m) {
struct userdata*u;
pa_assert(m);
if (!(u = m->userdata))
return;
unpublish_all_services(u);
if (u->services)
pa_hashmap_free(u->services, NULL, NULL);
if (u->sink_new_slot)
pa_hook_slot_free(u->sink_new_slot);
if (u->source_new_slot)
pa_hook_slot_free(u->source_new_slot);
if (u->sink_changed_slot)
pa_hook_slot_free(u->sink_changed_slot);
if (u->source_changed_slot)
pa_hook_slot_free(u->source_changed_slot);
if (u->sink_unlink_slot)
pa_hook_slot_free(u->sink_unlink_slot);
if (u->source_unlink_slot)
pa_hook_slot_free(u->source_unlink_slot);
if (u->native)
pa_native_protocol_unref(u->native);
pa_xfree(u->service_name);
pa_xfree(u);
}

268
src/modules/macosx/module-coreaudio-detect.c Normal file
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@ -0,0 +1,268 @@
/***
This file is part of PulseAudio.
Copyright 2009,2010 Daniel Mack <daniel@caiaq.de>
PulseAudio is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published
by the Free Software Foundation; either version 2.1 of the License,
or (at your option) any later version.
PulseAudio is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with PulseAudio; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA.
***/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <pulse/xmalloc.h>
#include <pulsecore/module.h>
#include <pulsecore/core-util.h>
#include <pulsecore/modargs.h>
#include <pulsecore/log.h>
#include <pulsecore/llist.h>
#include <CoreAudio/CoreAudio.h>
#include "module-coreaudio-detect-symdef.h"
#define DEVICE_MODULE_NAME "module-coreaudio-device"
PA_MODULE_AUTHOR("Daniel Mack");
PA_MODULE_DESCRIPTION("CoreAudio device detection");
PA_MODULE_VERSION(PACKAGE_VERSION);
PA_MODULE_LOAD_ONCE(TRUE);
PA_MODULE_USAGE("");
typedef struct ca_device ca_device;
struct ca_device {
AudioObjectID id;
unsigned int module_index;
PA_LLIST_FIELDS(ca_device);
};
struct userdata {
int detect_fds[2];
pa_io_event *detect_io;
PA_LLIST_HEAD(ca_device, devices);
};
static int ca_device_added(struct pa_module *m, AudioObjectID id) {
AudioObjectPropertyAddress property_address;
OSStatus err;
pa_module *mod;
struct userdata *u;
struct ca_device *dev;
char *args, tmp[64];
UInt32 size;
pa_assert(m);
pa_assert_se(u = m->userdata);
/* To prevent generating a black hole that will suck us in,
don't create sources/sinks for PulseAudio virtual devices */
property_address.mSelector = kAudioDevicePropertyDeviceManufacturer;
property_address.mScope = kAudioObjectPropertyScopeGlobal;
property_address.mElement = kAudioObjectPropertyElementMaster;
size = sizeof(tmp);
err = AudioObjectGetPropertyData(id, &property_address, 0, NULL, &size, tmp);
if (!err && strcmp(tmp, "pulseaudio.org") == 0)
return 0;
args = pa_sprintf_malloc("object_id=%d", (int) id);
pa_log_debug("Loading %s with arguments '%s'", DEVICE_MODULE_NAME, args);
mod = pa_module_load(m->core, DEVICE_MODULE_NAME, args);
pa_xfree(args);
if (!mod) {
pa_log_info("Failed to load module %s with arguments '%s'", DEVICE_MODULE_NAME, args);
return -1;
}
dev = pa_xnew0(ca_device, 1);
dev->module_index = mod->index;
dev->id = id;
PA_LLIST_INIT(ca_device, dev);
PA_LLIST_PREPEND(ca_device, u->devices, dev);
return 0;
}
static int ca_update_device_list(struct pa_module *m) {
AudioObjectPropertyAddress property_address;
OSStatus err;
UInt32 i, size, num_devices;
AudioDeviceID *device_id;
struct ca_device *dev;
struct userdata *u;
pa_assert(m);
pa_assert_se(u = m->userdata);
property_address.mSelector = kAudioHardwarePropertyDevices;
property_address.mScope = kAudioObjectPropertyScopeGlobal;
property_address.mElement = kAudioObjectPropertyElementMaster;
/* get the number of currently available audio devices */
err = AudioObjectGetPropertyDataSize(kAudioObjectSystemObject, &property_address, 0, NULL, &size);
if (err) {
pa_log("Unable to get data size for kAudioHardwarePropertyDevices.");
return -1;
}
num_devices = size / sizeof(AudioDeviceID);
device_id = pa_xnew(AudioDeviceID, num_devices);
err = AudioObjectGetPropertyData(kAudioObjectSystemObject, &property_address, 0, NULL, &size, device_id);
if (err) {
pa_log("Unable to get kAudioHardwarePropertyDevices.");
pa_xfree(device_id);
return -1;
}
/* scan for devices which are reported but not in our cached list */
for (i = 0; i < num_devices; i++) {
bool found = FALSE;
PA_LLIST_FOREACH(dev, u->devices)
if (dev->id == device_id[i]) {
found = TRUE;
break;
}
if (!found)
ca_device_added(m, device_id[i]);
}
/* scan for devices which are in our cached list but are not reported */
scan_removed:
PA_LLIST_FOREACH(dev, u->devices) {
bool found = FALSE;
for (i = 0; i < num_devices; i++)
if (dev->id == device_id[i]) {
found = TRUE;
break;
}
if (!found) {
pa_log_debug("object id %d has been removed (module index %d) %p", (unsigned int) dev->id, dev->module_index, dev);
pa_module_unload_request_by_index(m->core, dev->module_index, TRUE);
PA_LLIST_REMOVE(ca_device, u->devices, dev);
pa_xfree(dev);
/* the current list item pointer is not valid anymore, so start over. */
goto scan_removed;
}
}
pa_xfree(device_id);
return 0;
}
static OSStatus property_listener_proc(AudioObjectID objectID, UInt32 numberAddresses,
const AudioObjectPropertyAddress inAddresses[],
void *clientData)
{
struct userdata *u = clientData;
char dummy = 1;
pa_assert(u);
/* dispatch module load/unload operations in main thread */
write(u->detect_fds[1], &dummy, 1);
return 0;
}
static void detect_handle(pa_mainloop_api *a, pa_io_event *e, int fd, pa_io_event_flags_t events, void *userdata) {
pa_module *m = userdata;
char dummy;
pa_assert(m);
read(fd, &dummy, 1);
ca_update_device_list(m);
}
int pa__init(pa_module *m) {
struct userdata *u = pa_xnew0(struct userdata, 1);
AudioObjectPropertyAddress property_address;
pa_assert(m);
m->userdata = u;
property_address.mSelector = kAudioHardwarePropertyDevices;
property_address.mScope = kAudioObjectPropertyScopeGlobal;
property_address.mElement = kAudioObjectPropertyElementMaster;
if (AudioObjectAddPropertyListener(kAudioObjectSystemObject, &property_address, property_listener_proc, u)) {
pa_log("AudioObjectAddPropertyListener() failed.");
goto fail;
}
if (ca_update_device_list(m))
goto fail;
pa_assert_se(pipe(u->detect_fds) == 0);
pa_assert_se(u->detect_io = m->core->mainloop->io_new(m->core->mainloop, u->detect_fds[0], PA_IO_EVENT_INPUT, detect_handle, m));
return 0;
fail:
pa_xfree(u);
return -1;
}
void pa__done(pa_module *m) {
struct userdata *u;
struct ca_device *dev;
AudioObjectPropertyAddress property_address;
pa_assert(m);
pa_assert_se(u = m->userdata);
dev = u->devices;
property_address.mSelector = kAudioHardwarePropertyDevices;
property_address.mScope = kAudioObjectPropertyScopeGlobal;
property_address.mElement = kAudioObjectPropertyElementMaster;
AudioObjectRemovePropertyListener(kAudioObjectSystemObject, &property_address, property_listener_proc, u);
while (dev) {
struct ca_device *next = dev->next;
pa_module_unload_request_by_index(m->core, dev->module_index, TRUE);
pa_xfree(dev);
dev = next;
}
if (u->detect_fds[0] >= 0)
close(u->detect_fds[0]);
if (u->detect_fds[1] >= 0)
close(u->detect_fds[1]);
if (u->detect_io)
m->core->mainloop->io_free(u->detect_io);
pa_xfree(u);
}

866
src/modules/macosx/module-coreaudio-device.c Normal file
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/***
This file is part of PulseAudio.
Copyright 2009,2010 Daniel Mack <daniel@caiaq.de>
PulseAudio is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published
by the Free Software Foundation; either version 2.1 of the License,
or (at your option) any later version.
PulseAudio is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with PulseAudio; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA.
***/
/* TODO:
- implement hardware volume controls
- handle audio device stream format changes (will require changes to the core)
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <pulse/xmalloc.h>
#include <pulse/util.h>
#include <pulsecore/core-error.h>
#include <pulsecore/sink.h>
#include <pulsecore/source.h>
#include <pulsecore/module.h>
#include <pulsecore/sample-util.h>
#include <pulsecore/core-util.h>
#include <pulsecore/modargs.h>
#include <pulsecore/log.h>
#include <pulsecore/macro.h>
#include <pulsecore/llist.h>
#include <pulsecore/card.h>
#include <pulsecore/strbuf.h>
#include <pulsecore/thread.h>
#include <pulsecore/thread-mq.h>
#include <CoreAudio/CoreAudio.h>
#include <CoreAudio/CoreAudioTypes.h>
#include <CoreAudio/AudioHardware.h>
#include "module-coreaudio-device-symdef.h"
#define DEFAULT_FRAMES_PER_IOPROC 512
PA_MODULE_AUTHOR("Daniel Mack");
PA_MODULE_DESCRIPTION("CoreAudio device");
PA_MODULE_VERSION(PACKAGE_VERSION);
PA_MODULE_LOAD_ONCE(FALSE);
PA_MODULE_USAGE("object_id=<the CoreAudio device id> "
"ioproc_frames=<audio frames per IOProc call> ");
static const char* const valid_modargs[] = {
"object_id",
"ioproc_frames",
NULL
};
enum {
CA_MESSAGE_RENDER = PA_SINK_MESSAGE_MAX,
};
typedef struct coreaudio_sink coreaudio_sink;
typedef struct coreaudio_source coreaudio_source;
struct userdata {
AudioObjectID object_id;
AudioDeviceIOProcID proc_id;
pa_thread_mq thread_mq;
pa_asyncmsgq *async_msgq;
pa_rtpoll *rtpoll;
pa_thread *thread;
pa_module *module;
pa_card *card;
pa_bool_t running;
char *device_name, *vendor_name;
const AudioBufferList *render_input_data;
AudioBufferList *render_output_data;
AudioStreamBasicDescription stream_description;
PA_LLIST_HEAD(coreaudio_sink, sinks);
PA_LLIST_HEAD(coreaudio_source, sources);
};
struct coreaudio_sink {
pa_sink *pa_sink;
struct userdata *userdata;
char *name;
unsigned int channel_idx;
pa_bool_t active;
pa_channel_map map;
pa_sample_spec ss;
PA_LLIST_FIELDS(coreaudio_sink);
};
struct coreaudio_source {
pa_source *pa_source;
struct userdata *userdata;
char *name;
unsigned int channel_idx;
pa_bool_t active;
pa_channel_map map;
pa_sample_spec ss;
PA_LLIST_FIELDS(coreaudio_source);
};
static OSStatus io_render_proc (AudioDeviceID device,
const AudioTimeStamp *now,
const AudioBufferList *inputData,
const AudioTimeStamp *inputTime,
AudioBufferList *outputData,
const AudioTimeStamp *outputTime,
void *clientData)
{
struct userdata *u = clientData;
pa_assert(u);
pa_assert(device == u->object_id);
u->render_input_data = inputData;
u->render_output_data = outputData;
if (u->sinks)
pa_assert_se(pa_asyncmsgq_send(u->async_msgq, PA_MSGOBJECT(u->sinks->pa_sink),
CA_MESSAGE_RENDER, NULL, 0, NULL) == 0);
if (u->sources)
pa_assert_se(pa_asyncmsgq_send(u->async_msgq, PA_MSGOBJECT(u->sources->pa_source),
CA_MESSAGE_RENDER, NULL, 0, NULL) == 0);
return 0;
}
static OSStatus ca_stream_format_changed(AudioObjectID objectID,
UInt32 numberAddresses,
const AudioObjectPropertyAddress addresses[],
void *clientData)
{
struct userdata *u = clientData;
UInt32 i;
pa_assert(u);
/* REVISIT: PA can't currently handle external format change requests.
* Hence, we set the original format back in this callback to avoid horrible audio artefacts.
* The device settings will appear to be 'locked' for any application as long as the PA daemon is running.
* Once we're able to propagate such events up in the core, this needs to be changed. */
for (i = 0; i < numberAddresses; i++)
AudioObjectSetPropertyData(objectID, addresses + i, 0, NULL, sizeof(u->stream_description), &u->stream_description);
return 0;
}
static pa_usec_t get_latency_us(pa_object *o) {
struct userdata *u;
pa_sample_spec *ss;
bool is_source;
UInt32 v, total = 0;
UInt32 err, size = sizeof(v);
AudioObjectPropertyAddress property_address;
AudioObjectID stream_id;
if (pa_sink_isinstance(o)) {
coreaudio_sink *sink = PA_SINK(o)->userdata;
u = sink->userdata;
ss = &sink->ss;
is_source = FALSE;
} else if (pa_source_isinstance(o)) {
coreaudio_source *source = PA_SOURCE(o)->userdata;
u = source->userdata;
ss = &source->ss;
is_source = TRUE;
} else
pa_assert_not_reached();
pa_assert(u);
property_address.mScope = kAudioObjectPropertyScopeGlobal;
property_address.mElement = kAudioObjectPropertyElementMaster;
/* get the device latency */
property_address.mSelector = kAudioDevicePropertyLatency;
size = sizeof(total);
AudioObjectGetPropertyData(u->object_id, &property_address, 0, NULL, &size, &total);
total += v;
/* the the IOProc buffer size */
property_address.mSelector = kAudioDevicePropertyBufferFrameSize;
size = sizeof(v);
AudioObjectGetPropertyData(u->object_id, &property_address, 0, NULL, &size, &v);
total += v;
/* IOProc safety offset - this value is the same for both directions, hence we divide it by 2 */
property_address.mSelector = kAudioDevicePropertySafetyOffset;
size = sizeof(v);
AudioObjectGetPropertyData(u->object_id, &property_address, 0, NULL, &size, &v);
total += v / 2;
/* get the stream latency.
* FIXME: this assumes the stream latency is the same for all streams */
property_address.mSelector = kAudioDevicePropertyStreams;
size = sizeof(stream_id);
err = AudioObjectGetPropertyData(u->object_id, &property_address, 0, NULL, &size, &stream_id);
if (!err) {
property_address.mSelector = kAudioStreamPropertyLatency;
size = sizeof(v);
err = AudioObjectGetPropertyData(stream_id, &property_address, 0, NULL, &size, &v);
if (!err)
total += v;
}
return pa_bytes_to_usec(total * pa_frame_size(ss), ss);
}
static void ca_device_check_device_state(struct userdata *u) {
coreaudio_sink *ca_sink;
coreaudio_source *ca_source;
pa_bool_t active = FALSE;
pa_assert(u);
for (ca_sink = u->sinks; ca_sink; ca_sink = ca_sink->next)
if (ca_sink->active)
active = TRUE;
for (ca_source = u->sources; ca_source; ca_source = ca_source->next)
if (ca_source->active)
active = TRUE;
if (active && !u->running)
AudioDeviceStart(u->object_id, u->proc_id);
else if (!active && u->running)
AudioDeviceStop(u->object_id, u->proc_id);
u->running = active;
}
static int sink_process_msg(pa_msgobject *o, int code, void *data, int64_t offset, pa_memchunk *chunk) {
coreaudio_sink *sink = PA_SINK(o)->userdata;
struct userdata *u = sink->userdata;
unsigned int i;
pa_memchunk audio_chunk;
switch (code) {
case CA_MESSAGE_RENDER: {
/* audio out */
for (i = 0; i < u->render_output_data->mNumberBuffers; i++) {
AudioBuffer *buf = u->render_output_data->mBuffers + i;
pa_assert(sink);
if (PA_SINK_IS_OPENED(sink->pa_sink->thread_info.state)) {
if (sink->pa_sink->thread_info.rewind_requested)
pa_sink_process_rewind(sink->pa_sink, 0);
audio_chunk.memblock = pa_memblock_new_fixed(u->module->core->mempool, buf->mData, buf->mDataByteSize, FALSE);
audio_chunk.length = buf->mDataByteSize;
audio_chunk.index = 0;
pa_sink_render_into_full(sink->pa_sink, &audio_chunk);
pa_memblock_unref_fixed(audio_chunk.memblock);
}
sink = sink->next;
}
return 0;
}
case PA_SINK_MESSAGE_GET_LATENCY: {
*((pa_usec_t *) data) = get_latency_us(PA_OBJECT(o));
return 0;
}
case PA_SINK_MESSAGE_SET_STATE:
switch ((pa_sink_state_t) PA_PTR_TO_UINT(data)) {
case PA_SINK_SUSPENDED:
case PA_SINK_IDLE:
sink->active = FALSE;
break;
case PA_SINK_RUNNING:
sink->active = TRUE;
break;
case PA_SINK_UNLINKED:
case PA_SINK_INIT:
case PA_SINK_INVALID_STATE:
;
}
ca_device_check_device_state(sink->userdata);
break;
}
return pa_sink_process_msg(o, code, data, offset, chunk);
}
static int source_process_msg(pa_msgobject *o, int code, void *data, int64_t offset, pa_memchunk *chunk) {
coreaudio_source *source = PA_SOURCE(o)->userdata;
struct userdata *u = source->userdata;
unsigned int i;
pa_memchunk audio_chunk;
switch (code) {
case CA_MESSAGE_RENDER: {
/* audio in */
for (i = 0; i < u->render_input_data->mNumberBuffers; i++) {
const AudioBuffer *buf = u->render_input_data->mBuffers + i;
pa_assert(source);
if (PA_SOURCE_IS_OPENED(source->pa_source->thread_info.state)) {
audio_chunk.memblock = pa_memblock_new_fixed(u->module->core->mempool, buf->mData, buf->mDataByteSize, TRUE);
audio_chunk.length = buf->mDataByteSize;
audio_chunk.index = 0;
pa_source_post(source->pa_source, &audio_chunk);
pa_memblock_unref_fixed(audio_chunk.memblock);
}
source = source->next;
}
return 0;
}
case PA_SOURCE_MESSAGE_GET_LATENCY: {
*((pa_usec_t *) data) = get_latency_us(PA_OBJECT(o));
return 0;
}
case PA_SOURCE_MESSAGE_SET_STATE:
switch ((pa_source_state_t) PA_PTR_TO_UINT(data)) {
case PA_SOURCE_SUSPENDED:
case PA_SOURCE_IDLE:
source->active = FALSE;
break;
case PA_SOURCE_RUNNING:
source->active = TRUE;
break;
case PA_SOURCE_UNLINKED:
case PA_SOURCE_INIT:
case PA_SOURCE_INVALID_STATE:
;
}
ca_device_check_device_state(source->userdata);
break;
}
return pa_source_process_msg(o, code, data, offset, chunk);
}
static int ca_device_create_sink(pa_module *m, AudioBuffer *buf, int channel_idx) {
OSStatus err;
UInt32 size;
struct userdata *u = m->userdata;
pa_sink_new_data new_data;
pa_sink_flags_t flags = PA_SINK_LATENCY | PA_SINK_HARDWARE;
coreaudio_sink *ca_sink;
pa_sink *sink;
unsigned int i;
char tmp[255];
pa_strbuf *strbuf;
AudioObjectPropertyAddress property_address;
ca_sink = pa_xnew0(coreaudio_sink, 1);
ca_sink->map.channels = buf->mNumberChannels;
ca_sink->ss.channels = buf->mNumberChannels;
ca_sink->channel_idx = channel_idx;
/* build a name for this stream */
strbuf = pa_strbuf_new();
for (i = 0; i < buf->mNumberChannels; i++) {
property_address.mSelector = kAudioObjectPropertyElementName;
property_address.mScope = kAudioDevicePropertyScopeOutput;
property_address.mElement = channel_idx + i + 1;
size = sizeof(tmp);
err = AudioObjectGetPropertyData(u->object_id, &property_address, 0, NULL, &size, tmp);
if (err || !strlen(tmp))
snprintf(tmp, sizeof(tmp), "Channel %d", property_address.mElement);
if (i > 0)
pa_strbuf_puts(strbuf, ", ");
pa_strbuf_puts(strbuf, tmp);
}
ca_sink->name = pa_strbuf_tostring_free(strbuf);
pa_log_debug("Stream name is >%s<", ca_sink->name);
/* default to mono streams */
for (i = 0; i < ca_sink->map.channels; i++)
ca_sink->map.map[i] = PA_CHANNEL_POSITION_MONO;
if (buf->mNumberChannels == 2) {
ca_sink->map.map[0] = PA_CHANNEL_POSITION_LEFT;
ca_sink->map.map[1] = PA_CHANNEL_POSITION_RIGHT;
}
ca_sink->ss.rate = u->stream_description.mSampleRate;
ca_sink->ss.format = PA_SAMPLE_FLOAT32LE;
pa_sink_new_data_init(&new_data);
new_data.card = u->card;
new_data.driver = __FILE__;
new_data.module = u->module;
new_data.namereg_fail = FALSE;
pa_sink_new_data_set_name(&new_data, ca_sink->name);
pa_sink_new_data_set_channel_map(&new_data, &ca_sink->map);
pa_sink_new_data_set_sample_spec(&new_data, &ca_sink->ss);
pa_proplist_sets(new_data.proplist, PA_PROP_DEVICE_STRING, u->device_name);
pa_proplist_sets(new_data.proplist, PA_PROP_DEVICE_PRODUCT_NAME, u->device_name);
pa_proplist_sets(new_data.proplist, PA_PROP_DEVICE_DESCRIPTION, u->device_name);
pa_proplist_sets(new_data.proplist, PA_PROP_DEVICE_ACCESS_MODE, "mmap");
pa_proplist_sets(new_data.proplist, PA_PROP_DEVICE_CLASS, "sound");
pa_proplist_sets(new_data.proplist, PA_PROP_DEVICE_API, "CoreAudio");
pa_proplist_setf(new_data.proplist, PA_PROP_DEVICE_BUFFERING_BUFFER_SIZE, "%lu", (unsigned long) buf->mDataByteSize);
if (u->vendor_name)
pa_proplist_sets(new_data.proplist, PA_PROP_DEVICE_VENDOR_NAME, u->vendor_name);
sink = pa_sink_new(m->core, &new_data, flags);
pa_sink_new_data_done(&new_data);
if (!sink) {
pa_log("unable to create sink.");
return -1;
}
sink->parent.process_msg = sink_process_msg;
sink->userdata = ca_sink;
pa_sink_set_asyncmsgq(sink, u->thread_mq.inq);
pa_sink_set_rtpoll(sink, u->rtpoll);
ca_sink->pa_sink = sink;
ca_sink->userdata = u;
PA_LLIST_PREPEND(coreaudio_sink, u->sinks, ca_sink);
return 0;
}
static int ca_device_create_source(pa_module *m, AudioBuffer *buf, int channel_idx) {
OSStatus err;
UInt32 size;
struct userdata *u = m->userdata;
pa_source_new_data new_data;
pa_source_flags_t flags = PA_SOURCE_LATENCY | PA_SOURCE_HARDWARE;
coreaudio_source *ca_source;
pa_source *source;
unsigned int i;
char tmp[255];
pa_strbuf *strbuf;
AudioObjectPropertyAddress property_address;
ca_source = pa_xnew0(coreaudio_source, 1);
ca_source->map.channels = buf->mNumberChannels;
ca_source->ss.channels = buf->mNumberChannels;
ca_source->channel_idx = channel_idx;
/* build a name for this stream */
strbuf = pa_strbuf_new();
for (i = 0; i < buf->mNumberChannels; i++) {
property_address.mSelector = kAudioObjectPropertyElementName;
property_address.mScope = kAudioDevicePropertyScopeInput;
property_address.mElement = channel_idx + i + 1;
size = sizeof(tmp);
err = AudioObjectGetPropertyData(u->object_id, &property_address, 0, NULL, &size, tmp);
if (err || !strlen(tmp))
snprintf(tmp, sizeof(tmp), "Channel %d", property_address.mElement);
if (i > 0)
pa_strbuf_puts(strbuf, ", ");
pa_strbuf_puts(strbuf, tmp);
}
ca_source->name = pa_strbuf_tostring_free(strbuf);
pa_log_debug("Stream name is >%s<", ca_source->name);
/* default to mono streams */
for (i = 0; i < ca_source->map.channels; i++)
ca_source->map.map[i] = PA_CHANNEL_POSITION_MONO;
if (buf->mNumberChannels == 2) {
ca_source->map.map[0] = PA_CHANNEL_POSITION_LEFT;
ca_source->map.map[1] = PA_CHANNEL_POSITION_RIGHT;
}
ca_source->ss.rate = u->stream_description.mSampleRate;
ca_source->ss.format = PA_SAMPLE_FLOAT32LE;
pa_source_new_data_init(&new_data);
new_data.card = u->card;
new_data.driver = __FILE__;
new_data.module = u->module;
new_data.namereg_fail = FALSE;
pa_source_new_data_set_name(&new_data, ca_source->name);
pa_source_new_data_set_channel_map(&new_data, &ca_source->map);
pa_source_new_data_set_sample_spec(&new_data, &ca_source->ss);
pa_proplist_sets(new_data.proplist, PA_PROP_DEVICE_STRING, u->device_name);
pa_proplist_sets(new_data.proplist, PA_PROP_DEVICE_PRODUCT_NAME, u->device_name);
pa_proplist_sets(new_data.proplist, PA_PROP_DEVICE_DESCRIPTION, u->device_name);
pa_proplist_sets(new_data.proplist, PA_PROP_DEVICE_ACCESS_MODE, "mmap");
pa_proplist_sets(new_data.proplist, PA_PROP_DEVICE_CLASS, "sound");
pa_proplist_sets(new_data.proplist, PA_PROP_DEVICE_API, "CoreAudio");
pa_proplist_setf(new_data.proplist, PA_PROP_DEVICE_BUFFERING_BUFFER_SIZE, "%lu", (unsigned long) buf->mDataByteSize);
if (u->vendor_name)
pa_proplist_sets(new_data.proplist, PA_PROP_DEVICE_VENDOR_NAME, u->vendor_name);
source = pa_source_new(m->core, &new_data, flags);
pa_source_new_data_done(&new_data);
if (!source) {
pa_log("unable to create source.");
return -1;
}
source->parent.process_msg = source_process_msg;
source->userdata = ca_source;
pa_source_set_asyncmsgq(source, u->thread_mq.inq);
pa_source_set_rtpoll(source, u->rtpoll);
ca_source->pa_source = source;
ca_source->userdata = u;
PA_LLIST_PREPEND(coreaudio_source, u->sources, ca_source);
return 0;
}
static int ca_device_create_streams(pa_module *m, bool direction_in) {
OSStatus err;
UInt32 size, i, channel_idx;
struct userdata *u = m->userdata;
AudioBufferList *buffer_list;
AudioObjectPropertyAddress property_address;
property_address.mScope = direction_in ? kAudioDevicePropertyScopeInput : kAudioDevicePropertyScopeOutput;
property_address.mElement = kAudioObjectPropertyElementMaster;
/* get current stream format */
size = sizeof(AudioStreamBasicDescription);
property_address.mSelector = kAudioDevicePropertyStreamFormat;
err = AudioObjectGetPropertyData(u->object_id, &property_address, 0, NULL, &size, &u->stream_description);
if (err) {
/* no appropriate streams found - silently bail. */
return -1;
}
if (u->stream_description.mFormatID != kAudioFormatLinearPCM) {
pa_log("Unsupported audio format '%c%c%c%c'",
(char) (u->stream_description.mFormatID >> 24),
(char) (u->stream_description.mFormatID >> 16) & 0xff,
(char) (u->stream_description.mFormatID >> 8) & 0xff,
(char) (u->stream_description.mFormatID & 0xff));
return -1;
}
/* get stream configuration */
size = 0;
property_address.mSelector = kAudioDevicePropertyStreamConfiguration;
err = AudioObjectGetPropertyDataSize(u->object_id, &property_address, 0, NULL, &size);
if (err) {
pa_log("Failed to get kAudioDevicePropertyStreamConfiguration (%s).", direction_in ? "input" : "output");
return -1;
}
if (!size)
return 0;
buffer_list = (AudioBufferList *) pa_xmalloc(size);
err = AudioObjectGetPropertyData(u->object_id, &property_address, 0, NULL, &size, buffer_list);
if (!err) {
pa_log_debug("Sample rate: %f", u->stream_description.mSampleRate);
pa_log_debug("%d bytes per packet", (unsigned int) u->stream_description.mBytesPerPacket);
pa_log_debug("%d frames per packet", (unsigned int) u->stream_description.mFramesPerPacket);
pa_log_debug("%d bytes per frame", (unsigned int) u->stream_description.mBytesPerFrame);
pa_log_debug("%d channels per frame", (unsigned int) u->stream_description.mChannelsPerFrame);
pa_log_debug("%d bits per channel", (unsigned int) u->stream_description.mBitsPerChannel);
for (channel_idx = 0, i = 0; i < buffer_list->mNumberBuffers; i++) {
AudioBuffer *buf = buffer_list->mBuffers + i;
if (direction_in)
ca_device_create_source(m, buf, channel_idx);
else
ca_device_create_sink(m, buf, channel_idx);
channel_idx += buf->mNumberChannels;
}
}
pa_xfree(buffer_list);
return 0;
}
static void thread_func(void *userdata) {
struct userdata *u = userdata;
pa_assert(u);
pa_assert(u->module);
pa_assert(u->module->core);
pa_log_debug("Thread starting up");
if (u->module->core->realtime_scheduling)
pa_make_realtime(u->module->core->realtime_priority);
pa_thread_mq_install(&u->thread_mq);
for (;;) {
int ret;
ret = pa_rtpoll_run(u->rtpoll, TRUE);
if (ret < 0)
goto fail;
if (ret == 0)
goto finish;
}
fail:
/* If this was no regular exit from the loop we have to continue
* processing messages until we received PA_MESSAGE_SHUTDOWN */
pa_asyncmsgq_post(u->thread_mq.outq, PA_MSGOBJECT(u->module->core), PA_CORE_MESSAGE_UNLOAD_MODULE, u->module, 0, NULL, NULL);
pa_asyncmsgq_wait_for(u->thread_mq.inq, PA_MESSAGE_SHUTDOWN);
finish:
pa_log_debug("Thread shutting down");
}
int pa__init(pa_module *m) {
OSStatus err;
UInt32 size, frames;
struct userdata *u = NULL;
pa_modargs *ma = NULL;
char tmp[64];
pa_card_new_data card_new_data;
coreaudio_sink *ca_sink;
coreaudio_source *ca_source;
AudioObjectPropertyAddress property_address;
pa_assert(m);
if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
pa_log("Failed to parse module arguments.");
goto fail;
}
u = pa_xnew0(struct userdata, 1);
u->module = m;
m->userdata = u;
if (pa_modargs_get_value_u32(ma, "object_id", (unsigned int *) &u->object_id) != 0) {
pa_log("Failed to parse object_id argument.");
goto fail;
}
property_address.mScope = kAudioObjectPropertyScopeGlobal;
property_address.mElement = kAudioObjectPropertyElementMaster;
/* get device product name */
property_address.mSelector = kAudioDevicePropertyDeviceName;
size = sizeof(tmp);
err = AudioObjectGetPropertyData(u->object_id, &property_address, 0, NULL, &size, tmp);
if (err) {
pa_log("Failed to get kAudioDevicePropertyDeviceName (err = %08x).", (int) err);
goto fail;
}
u->device_name = pa_xstrdup(tmp);
pa_card_new_data_init(&card_new_data);
pa_proplist_sets(card_new_data.proplist, PA_PROP_DEVICE_STRING, tmp);
card_new_data.driver = __FILE__;
pa_card_new_data_set_name(&card_new_data, tmp);
pa_log_info("Initializing module for CoreAudio device '%s' (id %d)", tmp, (unsigned int) u->object_id);
/* get device vendor name (may fail) */
property_address.mSelector = kAudioDevicePropertyDeviceManufacturer;
size = sizeof(tmp);
err = AudioObjectGetPropertyData(u->object_id, &property_address, 0, NULL, &size, tmp);
if (!err)
u->vendor_name = pa_xstrdup(tmp);
/* create the card object */
u->card = pa_card_new(m->core, &card_new_data);
if (!u->card) {
pa_log("Unable to create card.\n");
goto fail;
}
pa_card_new_data_done(&card_new_data);
u->card->userdata = u;
u->rtpoll = pa_rtpoll_new();
pa_thread_mq_init(&u->thread_mq, m->core->mainloop, u->rtpoll);
u->async_msgq = pa_asyncmsgq_new(0);
pa_rtpoll_item_new_asyncmsgq_read(u->rtpoll, PA_RTPOLL_EARLY-1, u->async_msgq);
PA_LLIST_HEAD_INIT(coreaudio_sink, u->sinks);
/* create sinks */
ca_device_create_streams(m, FALSE);
/* create sources */
ca_device_create_streams(m, TRUE);
/* create the message thread */
if (!(u->thread = pa_thread_new("coreaudio", thread_func, u))) {
pa_log("Failed to create thread.");
goto fail;
}
/* register notification callback for stream format changes */
property_address.mSelector = kAudioDevicePropertyStreamFormat;
property_address.mScope = kAudioObjectPropertyScopeGlobal;
property_address.mElement = kAudioObjectPropertyElementMaster;
AudioObjectAddPropertyListener(u->object_id, &property_address, ca_stream_format_changed, u);
/* set number of frames in IOProc */
frames = DEFAULT_FRAMES_PER_IOPROC;
pa_modargs_get_value_u32(ma, "ioproc_frames", (unsigned int *) &frames);
property_address.mSelector = kAudioDevicePropertyBufferFrameSize;
AudioObjectSetPropertyData(u->object_id, &property_address, 0, NULL, sizeof(frames), &frames);
pa_log_debug("%u frames per IOProc\n", (unsigned int) frames);
/* create one ioproc for both directions */
err = AudioDeviceCreateIOProcID(u->object_id, io_render_proc, u, &u->proc_id);
if (err) {
pa_log("AudioDeviceCreateIOProcID() failed (err = %08x\n).", (int) err);
goto fail;
}
for (ca_sink = u->sinks; ca_sink; ca_sink = ca_sink->next)
pa_sink_put(ca_sink->pa_sink);
for (ca_source = u->sources; ca_source; ca_source = ca_source->next)
pa_source_put(ca_source->pa_source);
pa_modargs_free(ma);
return 0;
fail:
if (u)
pa__done(m);
if (ma)
pa_modargs_free(ma);
return -1;
}
void pa__done(pa_module *m) {
struct userdata *u;
coreaudio_sink *ca_sink;
coreaudio_source *ca_source;
AudioObjectPropertyAddress property_address;
pa_assert(m);
u = m->userdata;
pa_assert(u);
/* unlink sinks */
for (ca_sink = u->sinks; ca_sink; ca_sink = ca_sink->next)
if (ca_sink->pa_sink)
pa_sink_unlink(ca_sink->pa_sink);
/* unlink sources */
for (ca_source = u->sources; ca_source; ca_source = ca_source->next)
if (ca_source->pa_source)
pa_source_unlink(ca_source->pa_source);
if (u->thread) {
pa_asyncmsgq_send(u->thread_mq.inq, NULL, PA_MESSAGE_SHUTDOWN, NULL, 0, NULL);
pa_thread_free(u->thread);
pa_thread_mq_done(&u->thread_mq);
pa_asyncmsgq_unref(u->async_msgq);
}
/* free sinks */
for (ca_sink = u->sinks; ca_sink;) {
coreaudio_sink *next = ca_sink->next;
if (ca_sink->pa_sink)
pa_sink_unref(ca_sink->pa_sink);
pa_xfree(ca_sink->name);
pa_xfree(ca_sink);
ca_sink = next;
}
/* free sources */
for (ca_source = u->sources; ca_source;) {
coreaudio_source *next = ca_source->next;
if (ca_source->pa_source)
pa_source_unref(ca_source->pa_source);
pa_xfree(ca_source->name);
pa_xfree(ca_source);
ca_source = next;
}
if (u->proc_id) {
AudioDeviceStop(u->object_id, u->proc_id);
AudioDeviceDestroyIOProcID(u->object_id, u->proc_id);
}
property_address.mSelector = kAudioDevicePropertyStreamFormat;
property_address.mScope = kAudioObjectPropertyScopeGlobal;
property_address.mElement = kAudioObjectPropertyElementMaster;
AudioObjectRemovePropertyListener(kAudioObjectSystemObject, &property_address, ca_stream_format_changed, u);
pa_xfree(u->device_name);
pa_xfree(u->vendor_name);
pa_rtpoll_free(u->rtpoll);
pa_card_free(u->card);
pa_xfree(u);
}