/**
* Creates and references the VLC PulseAudio threaded main loop.
* @return the mainloop or NULL on failure
*/
static pa_threaded_mainloop *vlc_pa_mainloop_init (void)
{
pa_threaded_mainloop *mainloop;
vlc_mutex_lock (&lock);
if (refs == 0)
{
mainloop = pa_threaded_mainloop_new ();
if (unlikely(mainloop == NULL))
goto out;
if (pa_threaded_mainloop_start (mainloop) < 0)
{
pa_threaded_mainloop_free (mainloop);
goto out;
}
vlc_pa_mainloop = mainloop;
}
else
{
if (unlikely(refs < UINT_MAX))
{
mainloop = NULL;
goto out;
}
mainloop = vlc_pa_mainloop;
}
assert (mainloop != NULL);
refs++;
out:
vlc_mutex_unlock (&lock);
return mainloop;
}
/******************************************************************************
* Start the PulseAudio mainloop background thread.
* This function returns as soon as the PulseAudio thread is started.
* Initialization of PulseAudio is done in the background thread.
* In order to learn when initialization is finished, you need to wait until
* context_state_cb() is called, and check the PulseAudio context state.
*****************************************************************************/
static mbx_error_code init_pulseaudio(_mbx_out out) {
if ((out->pa_ml = pa_threaded_mainloop_new()) == NULL ) {
mbx_log_error(MBX_LOG_AUDIO_OUTPUT, "Unable to allocate a PulseAudio threaded main "
"loop object.");
return MBX_PULSEAUDIO_ERROR;
}
out->pa_props = pa_proplist_new(); /* TODO: Set properties in proplist */
pa_mainloop_api *pa_mlapi = pa_threaded_mainloop_get_api(out->pa_ml);
out->pa_ctx = pa_context_new_with_proplist(pa_mlapi, NULL, out->pa_props);
if ( out->pa_ctx == NULL ) {
mbx_log_error(MBX_LOG_AUDIO_OUTPUT, "Unable to instantiate a pulseaudio connection "
"context.");
return MBX_PULSEAUDIO_ERROR;
}
pa_context_set_state_callback(out->pa_ctx, context_state_cb, out);
if ( pa_context_connect(out->pa_ctx, NULL, 0, NULL) < 0 ) {
mbx_log_error(MBX_LOG_AUDIO_OUTPUT, "Unable to connect to the pulseaudio server: %s",
pa_msg(out));
return MBX_PULSEAUDIO_ERROR;
}
if ( pa_threaded_mainloop_start(out->pa_ml) ) {
mbx_log_error(MBX_LOG_AUDIO_OUTPUT, "Failed to start pulseaudio mainloop "
"in background thread.");
return MBX_PULSEAUDIO_ERROR;
}
return MBX_SUCCESS;
}
/*
* enumerate input/output devices
*/
static void pulse_enumerate_devices(obs_properties_t props, bool input)
{
pa_context *c;
pa_operation *op;
pa_threaded_mainloop *m = pa_threaded_mainloop_new();
struct pulse_enumerate e;
e.mainloop = m;
e.devices = obs_properties_add_list(props, "device_id", "Device",
OBS_COMBO_TYPE_LIST, OBS_COMBO_FORMAT_STRING);
e.input = input;
pa_threaded_mainloop_start(m);
c = pulse_context_create(m);
if (pulse_context_connect(m, c) < 0)
goto fail;
pa_threaded_mainloop_lock(m);
op = pa_context_get_source_info_list(c, pulse_source_info, (void *) &e);
while (pa_operation_get_state(op) == PA_OPERATION_RUNNING)
pa_threaded_mainloop_wait(m);
pa_operation_unref(op);
pa_threaded_mainloop_unlock(m);
pa_context_disconnect(c);
fail:
pa_context_unref(c);
pa_threaded_mainloop_stop(m);
pa_threaded_mainloop_free(m);
}
void guac_pa_start_stream(guac_client* client) {
vnc_guac_client_data* client_data = (vnc_guac_client_data*) client->data;
pa_context* context;
guac_client_log_info(client, "Starting audio stream");
guac_audio_stream_begin(client_data->audio,
GUAC_VNC_AUDIO_RATE,
GUAC_VNC_AUDIO_CHANNELS,
GUAC_VNC_AUDIO_BPS);
/* Init main loop */
client_data->pa_mainloop = pa_threaded_mainloop_new();
/* Create context */
context = pa_context_new(
pa_threaded_mainloop_get_api(client_data->pa_mainloop),
"Guacamole Audio");
/* Set up context */
pa_context_set_state_callback(context, __context_state_callback, client);
pa_context_connect(context, client_data->pa_servername,
PA_CONTEXT_NOAUTOSPAWN, NULL);
/* Start loop */
pa_threaded_mainloop_start(client_data->pa_mainloop);
}
int
audio_pa_init(void)
{
pa_audio_mode_t *pam;
audio_mode_t *am;
TRACE(TRACE_DEBUG, "PA", "Headerversion: %s, library: %s",
pa_get_headers_version(), pa_get_library_version());
mainloop = pa_threaded_mainloop_new();
api = pa_threaded_mainloop_get_api(mainloop);
pa_threaded_mainloop_lock(mainloop);
pa_threaded_mainloop_start(mainloop);
pa_threaded_mainloop_unlock(mainloop);
pam = calloc(1, sizeof(pa_audio_mode_t));
am = &pam->am;
am->am_multich_controls = 1;
am->am_formats =
AM_FORMAT_PCM_STEREO | AM_FORMAT_PCM_5DOT1 | AM_FORMAT_PCM_7DOT1;
am->am_sample_rates = AM_SR_ANY;
am->am_title = strdup("Pulseaudio");
am->am_id = strdup("pulseaudio");
am->am_preferred_size = 1024;
am->am_entry = pa_audio_start;
am->am_float = 1;
audio_mode_register(am);
return 1;
}
static void
moko_notify_init (MokoNotify *notify)
{
MokoNotifyPrivate *priv;
pa_threaded_mainloop *mainloop = NULL;
pa_mainloop_api *mapi = NULL;
priv = notify->priv = MOKO_NOTIFY_GET_PRIVATE (notify);
priv->started = 0;
priv->pac = NULL;
/* Start up pulse audio */
mainloop = pa_threaded_mainloop_new ();
if (!mainloop)
{
g_warning ("Unable to create PulseAudio mainloop.");
return;
}
mapi = pa_threaded_mainloop_get_api (mainloop);
priv->pac = pa_context_new (mapi, "Openmoko Dialer");
if (!priv->pac)
{
g_warning ("Could create the PulseAudio context");
return;
}
pa_context_connect (priv->pac, NULL, 0, NULL);
pa_threaded_mainloop_start (mainloop);
}
context_t *backend_new(callback_t *callback) {
context_t *context = (context_t*)malloc(sizeof(context_t));
context->loop = pa_threaded_mainloop_new();
context->state = PA_CONTEXT_UNCONNECTED;
backend_init(context, callback);
pa_threaded_mainloop_start(context->loop);
return context;
}
/*
* Public API.
*/
xmms_pulse *
xmms_pulse_backend_new (const char *server, const char *name,
int *rerror)
{
xmms_pulse *p;
int error = PA_ERR_INTERNAL;
if (server && !*server) {
if (rerror)
*rerror = PA_ERR_INVALID;
return NULL;
}
p = g_new0 (xmms_pulse, 1);
if (!p)
return NULL;
p->volume = 100;
p->mainloop = pa_threaded_mainloop_new ();
if (!p->mainloop)
goto fail;
p->context = pa_context_new (pa_threaded_mainloop_get_api (p->mainloop), name);
if (!p->context)
goto fail;
pa_context_set_state_callback (p->context, context_state_cb, p);
if (pa_context_connect (p->context, server, 0, NULL) < 0) {
error = pa_context_errno (p->context);
goto fail;
}
pa_threaded_mainloop_lock (p->mainloop);
if (pa_threaded_mainloop_start (p->mainloop) < 0)
goto unlock_and_fail;
/* Wait until the context is ready */
pa_threaded_mainloop_wait (p->mainloop);
if (pa_context_get_state (p->context) != PA_CONTEXT_READY) {
error = pa_context_errno (p->context);
goto unlock_and_fail;
}
pa_threaded_mainloop_unlock (p->mainloop);
return p;
unlock_and_fail:
pa_threaded_mainloop_unlock (p->mainloop);
fail:
if (rerror)
*rerror = error;
xmms_pulse_backend_free (p);
return NULL;
}
static void init_pulse_context(){
if (context==NULL){
pa_loop=pa_threaded_mainloop_new();
context=pa_context_new(pa_threaded_mainloop_get_api(pa_loop),NULL);
pa_context_set_state_callback(context,state_notify,NULL);
pa_context_connect(context,NULL,0,NULL);
pa_threaded_mainloop_start(pa_loop);
atexit(uninit_pulse_context);
}
}
void PulseAudioSinksManager::retrieveSinks()
{
pa_mainloop_api *pa_mlapi;
// Create a mainloop API and connection to the default server
pa_ml.reset(pa_threaded_mainloop_new());
pa_mlapi = pa_threaded_mainloop_get_api(pa_ml.get());
pa_ctx.reset(pa_context_new(pa_mlapi, "QAudioSwitcher"));
pa_context_set_state_callback(pa_ctx.get(), PulseAudioSinksManager::pulseAudioStateCallback, this);
pa_context_connect(pa_ctx.get(), NULL, PA_CONTEXT_NOFAIL , NULL);
pa_threaded_mainloop_start(pa_ml.get());
}
WavegenClient::WavegenClient(std::string const& name)
: name_(name)
{
paMainLoop_ = pa_threaded_mainloop_new();
pa_threaded_mainloop_set_name(paMainLoop_, name_.c_str());
pa_threaded_mainloop_start(paMainLoop_);
paMainApi_ = pa_threaded_mainloop_get_api(paMainLoop_);
paContext_ = pa_context_new(paMainApi_, name_.c_str());
pa_context_set_state_callback(paContext_, &WavegenClient::contextStateCallback, this);
}
bool CPulseAE::Initialize()
{
m_Volume = g_settings.m_fVolumeLevel;
if ((m_MainLoop = pa_threaded_mainloop_new()) == NULL)
{
CLog::Log(LOGERROR, "PulseAudio: Failed to allocate main loop");
return false;
}
if ((m_Context = pa_context_new(pa_threaded_mainloop_get_api(m_MainLoop), "XBMC")) == NULL)
{
CLog::Log(LOGERROR, "PulseAudio: Failed to allocate context");
return false;
}
pa_context_set_state_callback(m_Context, ContextStateCallback, m_MainLoop);
if (pa_context_connect(m_Context, NULL, (pa_context_flags_t)0, NULL) < 0)
{
CLog::Log(LOGERROR, "PulseAudio: Failed to connect context");
return false;
}
pa_threaded_mainloop_lock(m_MainLoop);
if (pa_threaded_mainloop_start(m_MainLoop) < 0)
{
CLog::Log(LOGERROR, "PulseAudio: Failed to start MainLoop");
pa_threaded_mainloop_unlock(m_MainLoop);
return false;
}
/* Wait until the context is ready */
do
{
pa_threaded_mainloop_wait(m_MainLoop);
CLog::Log(LOGDEBUG, "PulseAudio: Context %s", ContextStateToString(pa_context_get_state(m_Context)));
}
while (pa_context_get_state(m_Context) != PA_CONTEXT_READY && pa_context_get_state(m_Context) != PA_CONTEXT_FAILED);
if (pa_context_get_state(m_Context) == PA_CONTEXT_FAILED)
{
CLog::Log(LOGERROR, "PulseAudio: Waited for the Context but it failed");
pa_threaded_mainloop_unlock(m_MainLoop);
return false;
}
pa_threaded_mainloop_unlock(m_MainLoop);
return true;
}
static int
rdpsnd_pulse_connect(rdpsndDevicePlugin * devplugin)
{
struct pulse_device_data * pulse_data;
pa_context_state_t state;
pulse_data = (struct pulse_device_data *) devplugin->device_data;
if (!pulse_data->context)
return 1;
if (pa_context_connect(pulse_data->context, NULL, 0, NULL))
{
LLOGLN(0, ("rdpsnd_pulse_connect: pa_context_connect failed (%d)",
pa_context_errno(pulse_data->context)));
return 1;
}
pa_threaded_mainloop_lock(pulse_data->mainloop);
if (pa_threaded_mainloop_start(pulse_data->mainloop) < 0)
{
pa_threaded_mainloop_unlock(pulse_data->mainloop);
LLOGLN(0, ("rdpsnd_pulse_connect: pa_threaded_mainloop_start failed (%d)",
pa_context_errno(pulse_data->context)));
return 1;
}
for (;;)
{
state = pa_context_get_state(pulse_data->context);
if (state == PA_CONTEXT_READY)
break;
if (!PA_CONTEXT_IS_GOOD(state))
{
LLOGLN(0, ("rdpsnd_pulse_connect: bad context state (%d)",
pa_context_errno(pulse_data->context)));
break;
}
pa_threaded_mainloop_wait(pulse_data->mainloop);
}
pa_threaded_mainloop_unlock(pulse_data->mainloop);
if (state == PA_CONTEXT_READY)
{
LLOGLN(0, ("rdpsnd_pulse_connect: connected"));
return 0;
}
else
{
pa_context_disconnect(pulse_data->context);
return 1;
}
}
bool CAESinkPULSE::SetupContext(const char *host, pa_context **context, pa_threaded_mainloop **mainloop)
{
if ((*mainloop = pa_threaded_mainloop_new()) == NULL)
{
CLog::Log(LOGERROR, "PulseAudio: Failed to allocate main loop");
return false;
}
if (((*context) = pa_context_new(pa_threaded_mainloop_get_api(*mainloop), "Kodi")) == NULL)
{
CLog::Log(LOGERROR, "PulseAudio: Failed to allocate context");
return false;
}
pa_context_set_state_callback(*context, ContextStateCallback, *mainloop);
if (pa_context_connect(*context, host, (pa_context_flags_t)0, NULL) < 0)
{
CLog::Log(LOGERROR, "PulseAudio: Failed to connect context");
return false;
}
pa_threaded_mainloop_lock(*mainloop);
if (pa_threaded_mainloop_start(*mainloop) < 0)
{
CLog::Log(LOGERROR, "PulseAudio: Failed to start MainLoop");
pa_threaded_mainloop_unlock(*mainloop);
return false;
}
/* Wait until the context is ready */
do
{
pa_threaded_mainloop_wait(*mainloop);
CLog::Log(LOGDEBUG, "PulseAudio: Context %s", ContextStateToString(pa_context_get_state(*context)));
}
while (pa_context_get_state(*context) != PA_CONTEXT_READY && pa_context_get_state(*context) != PA_CONTEXT_FAILED);
if (pa_context_get_state(*context) == PA_CONTEXT_FAILED)
{
CLog::Log(LOGERROR, "PulseAudio: Waited for the Context but it failed");
pa_threaded_mainloop_unlock(*mainloop);
return false;
}
pa_threaded_mainloop_unlock(*mainloop);
return true;
}
static int
tsmf_pulse_connect(TSMFPulseAudioDevice * pulse)
{
pa_context_state_t state;
if (!pulse->context)
return 1;
if (pa_context_connect(pulse->context, NULL, 0, NULL))
{
LLOGLN(0, ("tsmf_pulse_connect: pa_context_connect failed (%d)",
pa_context_errno(pulse->context)));
return 1;
}
pa_threaded_mainloop_lock(pulse->mainloop);
if (pa_threaded_mainloop_start(pulse->mainloop) < 0)
{
pa_threaded_mainloop_unlock(pulse->mainloop);
LLOGLN(0, ("tsmf_pulse_connect: pa_threaded_mainloop_start failed (%d)",
pa_context_errno(pulse->context)));
return 1;
}
for (;;)
{
state = pa_context_get_state(pulse->context);
if (state == PA_CONTEXT_READY)
break;
if (!PA_CONTEXT_IS_GOOD(state))
{
LLOGLN(0, ("tsmf_pulse_connect: bad context state (%d)",
pa_context_errno(pulse->context)));
break;
}
pa_threaded_mainloop_wait(pulse->mainloop);
}
pa_threaded_mainloop_unlock(pulse->mainloop);
if (state == PA_CONTEXT_READY)
{
LLOGLN(0, ("tsmf_pulse_connect: connected"));
return 0;
}
else
{
pa_context_disconnect(pulse->context);
return 1;
}
}
static tbool audin_pulse_connect(IAudinDevice* device)
{
pa_context_state_t state;
AudinPulseDevice* pulse = (AudinPulseDevice*) device;
if (!pulse->context)
return false;
if (pa_context_connect(pulse->context, NULL, 0, NULL))
{
DEBUG_WARN("pa_context_connect failed (%d)",
pa_context_errno(pulse->context));
return false;
}
pa_threaded_mainloop_lock(pulse->mainloop);
if (pa_threaded_mainloop_start(pulse->mainloop) < 0)
{
pa_threaded_mainloop_unlock(pulse->mainloop);
DEBUG_WARN("pa_threaded_mainloop_start failed (%d)",
pa_context_errno(pulse->context));
return false;
}
for (;;)
{
state = pa_context_get_state(pulse->context);
if (state == PA_CONTEXT_READY)
break;
if (!PA_CONTEXT_IS_GOOD(state))
{
DEBUG_WARN("bad context state (%d)",
pa_context_errno(pulse->context));
break;
}
pa_threaded_mainloop_wait(pulse->mainloop);
}
pa_threaded_mainloop_unlock(pulse->mainloop);
if (state == PA_CONTEXT_READY)
{
DEBUG_DVC("connected");
return true;
}
else
{
pa_context_disconnect(pulse->context);
return false;
}
}
int_fast32_t pulse_init()
{
pthread_mutex_lock(&pulse_mutex);
if (pulse_refs == 0) {
pulse_mainloop = pa_threaded_mainloop_new();
pa_threaded_mainloop_start(pulse_mainloop);
pulse_init_context();
}
pulse_refs++;
pthread_mutex_unlock(&pulse_mutex);
return 0;
}
static bool
pulse_output_enable(struct audio_output *ao, GError **error_r)
{
struct pulse_output *po = (struct pulse_output *)ao;
assert(po->mainloop == NULL);
assert(po->context == NULL);
/* create the libpulse mainloop and start the thread */
po->mainloop = pa_threaded_mainloop_new();
if (po->mainloop == NULL) {
g_free(po);
g_set_error(error_r, pulse_output_quark(), 0,
"pa_threaded_mainloop_new() has failed");
return false;
}
pa_threaded_mainloop_lock(po->mainloop);
if (pa_threaded_mainloop_start(po->mainloop) < 0) {
pa_threaded_mainloop_unlock(po->mainloop);
pa_threaded_mainloop_free(po->mainloop);
po->mainloop = NULL;
g_set_error(error_r, pulse_output_quark(), 0,
"pa_threaded_mainloop_start() has failed");
return false;
}
/* create the libpulse context and connect it */
if (!pulse_output_setup_context(po, error_r)) {
pa_threaded_mainloop_unlock(po->mainloop);
pa_threaded_mainloop_stop(po->mainloop);
pa_threaded_mainloop_free(po->mainloop);
po->mainloop = NULL;
return false;
}
pa_threaded_mainloop_unlock(po->mainloop);
return true;
}
static boolean rdpsnd_pulse_connect(rdpsndDevicePlugin* device)
{
rdpsndPulsePlugin* pulse = (rdpsndPulsePlugin*)device;
pa_context_state_t state;
if (!pulse->context)
return False;
if (pa_context_connect(pulse->context, NULL, 0, NULL))
{
DEBUG_WARN("pa_context_connect failed (%d)", pa_context_errno(pulse->context));
return False;
}
pa_threaded_mainloop_lock(pulse->mainloop);
if (pa_threaded_mainloop_start(pulse->mainloop) < 0)
{
pa_threaded_mainloop_unlock(pulse->mainloop);
DEBUG_WARN("pa_threaded_mainloop_start failed (%d)", pa_context_errno(pulse->context));
return False;
}
for (;;)
{
state = pa_context_get_state(pulse->context);
if (state == PA_CONTEXT_READY)
break;
if (!PA_CONTEXT_IS_GOOD(state))
{
DEBUG_WARN("bad context state (%d)", pa_context_errno(pulse->context));
break;
}
pa_threaded_mainloop_wait(pulse->mainloop);
}
pa_threaded_mainloop_unlock(pulse->mainloop);
if (state == PA_CONTEXT_READY)
{
DEBUG_SVC("connected");
return True;
}
else
{
pa_context_disconnect(pulse->context);
return False;
}
}
static BOOL tsmf_pulse_connect(TSMFPulseAudioDevice *pulse)
{
pa_context_state_t state;
if(!pulse->context)
return FALSE;
if(pa_context_connect(pulse->context, NULL, 0, NULL))
{
DEBUG_WARN("pa_context_connect failed (%d)",
pa_context_errno(pulse->context));
return FALSE;
}
pa_threaded_mainloop_lock(pulse->mainloop);
if(pa_threaded_mainloop_start(pulse->mainloop) < 0)
{
pa_threaded_mainloop_unlock(pulse->mainloop);
DEBUG_WARN("pa_threaded_mainloop_start failed (%d)",
pa_context_errno(pulse->context));
return FALSE;
}
for(;;)
{
state = pa_context_get_state(pulse->context);
if(state == PA_CONTEXT_READY)
break;
if(!PA_CONTEXT_IS_GOOD(state))
{
DEBUG_TSMF("bad context state (%d)",
pa_context_errno(pulse->context));
break;
}
pa_threaded_mainloop_wait(pulse->mainloop);
}
pa_threaded_mainloop_unlock(pulse->mainloop);
if(state == PA_CONTEXT_READY)
{
DEBUG_TSMF("connected");
return TRUE;
}
else
{
pa_context_disconnect(pulse->context);
return FALSE;
}
}
ALCboolean alc_pulse_init(BackendFuncs *func_list)
{
ALCboolean ret = ALC_FALSE;
if(pulse_load())
{
pa_threaded_mainloop *loop;
pulse_ctx_flags = 0;
if(!GetConfigValueBool("pulse", "spawn-server", 0))
pulse_ctx_flags |= PA_CONTEXT_NOAUTOSPAWN;
if((loop=pa_threaded_mainloop_new()) &&
pa_threaded_mainloop_start(loop) >= 0)
{
pa_context *context;
pa_threaded_mainloop_lock(loop);
context = connect_context(loop, AL_TRUE);
if(context)
{
*func_list = pulse_funcs;
ret = ALC_TRUE;
/* Some libraries (Phonon, Qt) set some pulseaudio properties
* through environment variables, which causes all streams in
* the process to inherit them. This attempts to filter those
* properties out by setting them to 0-length data. */
prop_filter = pa_proplist_new();
pa_proplist_set(prop_filter, PA_PROP_MEDIA_ROLE, NULL, 0);
pa_proplist_set(prop_filter, "phonon.streamid", NULL, 0);
pa_context_disconnect(context);
pa_context_unref(context);
}
pa_threaded_mainloop_unlock(loop);
pa_threaded_mainloop_stop(loop);
}
if(loop)
pa_threaded_mainloop_free(loop);
}
return ret;
}
static ALCboolean pulse_open(ALCdevice *device, const ALCchar *device_name) //{{{
{
pulse_data *data = pa_xmalloc(sizeof(pulse_data));
memset(data, 0, sizeof(*data));
if(!(data->loop = pa_threaded_mainloop_new()))
{
ERR("pa_threaded_mainloop_new() failed!\n");
goto out;
}
if(pa_threaded_mainloop_start(data->loop) < 0)
{
ERR("pa_threaded_mainloop_start() failed\n");
goto out;
}
pa_threaded_mainloop_lock(data->loop);
device->ExtraData = data;
data->context = connect_context(data->loop, AL_FALSE);
if(!data->context)
{
pa_threaded_mainloop_unlock(data->loop);
goto out;
}
pa_context_set_state_callback(data->context, context_state_callback2, device);
device->szDeviceName = strdup(device_name);
pa_threaded_mainloop_unlock(data->loop);
return ALC_TRUE;
out:
if(data->loop)
{
pa_threaded_mainloop_stop(data->loop);
pa_threaded_mainloop_free(data->loop);
}
device->ExtraData = NULL;
pa_xfree(data);
return ALC_FALSE;
} //}}}
int main(int argc, char **argv)
{
GtkWidget *window = NULL;
GtkWidget *scale = NULL;
m_pa_ml = pa_threaded_mainloop_new();
if (!m_pa_ml) {
printf("pa_threaded_mainloop_new() failed");
return -1;
}
m_pa_mlapi = pa_threaded_mainloop_get_api(m_pa_ml);
if (!m_pa_mlapi) {
printf("pa_threaded_mainloop_get_api() failed");
return -1;
}
gtk_init(&argc, &argv);
window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_window_set_title(GTK_WINDOW(window), "PulseAudio Gtk Demo");
gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
gtk_window_set_default_size(GTK_WINDOW(window), 400, 300);
g_signal_connect(G_OBJECT(window), "destroy", G_CALLBACK(m_destroy), NULL);
m_adjust = gtk_adjustment_new(60000, 0, 100000, 1, 1, 0);
g_signal_connect(m_adjust, "value-changed", G_CALLBACK(m_value_changed), NULL);
scale = gtk_hscale_new(m_adjust);
gtk_container_add(GTK_CONTAINER(window), scale);
gtk_widget_show(scale);
gtk_widget_show(window);
pa_threaded_mainloop_start(m_pa_ml);
m_connect_to_pulse();
gtk_main();
return 0;
}
audio_class_t *
audio_driver_init(void)
{
TRACE(TRACE_DEBUG, "PA", "Headerversion: %s, library: %s",
pa_get_headers_version(), pa_get_library_version());
mainloop = pa_threaded_mainloop_new();
api = pa_threaded_mainloop_get_api(mainloop);
pa_threaded_mainloop_lock(mainloop);
pa_threaded_mainloop_start(mainloop);
#if PA_API_VERSION >= 12
pa_proplist *pl = pa_proplist_new();
pa_proplist_sets(pl, PA_PROP_APPLICATION_ID, "com.lonelycoder.hts.showtime");
pa_proplist_sets(pl, PA_PROP_APPLICATION_NAME, "Showtime");
/* Create a new connection context */
ctx = pa_context_new_with_proplist(api, "Showtime", pl);
pa_proplist_free(pl);
#else
ctx = pa_context_new(api, "Showtime");
#endif
pa_context_set_state_callback(ctx, context_state_callback, NULL);
/* Connect the context */
if(pa_context_connect(ctx, NULL, 0, NULL) < 0) {
TRACE(TRACE_ERROR, "PA", "pa_context_connect() failed: %s",
pa_strerror(pa_context_errno(ctx)));
pa_threaded_mainloop_unlock(mainloop);
return NULL;
}
pa_threaded_mainloop_unlock(mainloop);
return &pulseaudio_audio_class;
}
int context_create(){
if(context != NULL){
return 0;
}
connected = false;
failed = false;
threaded_main_loop = pa_threaded_mainloop_new();
pa_mainloop_api *main_loop_api = pa_threaded_mainloop_get_api(threaded_main_loop);
context = pa_context_new(main_loop_api, "vumeter");
pa_context_set_state_callback(context, context_state_callback, NULL);
if(pa_context_connect(context, NULL, (pa_context_flags_t) PA_CONTEXT_NOAUTOSPAWN, NULL)){
qDebug("Error connecting to server...");
pa_threaded_mainloop_stop(threaded_main_loop);
pa_threaded_mainloop_free(threaded_main_loop);
return -1;
}
pa_threaded_mainloop_start(threaded_main_loop);
pa_threaded_mainloop_lock(threaded_main_loop);
while ((! connected) && (! failed)) {
qDebug("Waiting until connection is established...");
pa_threaded_mainloop_wait(threaded_main_loop);
qDebug("Received signal...");
}
pa_threaded_mainloop_unlock(threaded_main_loop);
if(failed){
pa_context_unref(context);
context = NULL;
return -2;
}
return 0;
}
int
cubeb_init(cubeb ** context, char const * context_name)
{
cubeb * ctx;
ctx = calloc(1, sizeof(*ctx));
ctx->mainloop = pa_threaded_mainloop_new();
ctx->context = pa_context_new(pa_threaded_mainloop_get_api(ctx->mainloop), context_name);
pa_context_set_state_callback(ctx->context, context_state_callback, ctx->mainloop);
pa_threaded_mainloop_start(ctx->mainloop);
pa_threaded_mainloop_lock(ctx->mainloop);
pa_context_connect(ctx->context, NULL, 0, NULL);
pa_threaded_mainloop_unlock(ctx->mainloop);
state_wait(ctx, PA_CONTEXT_READY);
*context = ctx;
return CUBEB_OK;
}
void audio_init() {
pa_threaded_mainloop *pa_ml=pa_threaded_mainloop_new();
pa_mainloop_api *pa_mlapi=pa_threaded_mainloop_get_api(pa_ml);
pa_context *pa_ctx=pa_context_new(pa_mlapi, "te");
pa_context_connect(pa_ctx, NULL, 0, NULL);
int pa_ready = 0;
pa_context_set_state_callback(pa_ctx, pa_state_cb, &pa_ready);
pa_threaded_mainloop_start(pa_ml);
while(pa_ready==0) { ; }
printf("audio ready\n");
if (pa_ready == 2) {
pa_context_disconnect(pa_ctx);
pa_context_unref(pa_ctx);
pa_threaded_mainloop_free(pa_ml);
}
pa_sample_spec ss;
ss.rate=96000;
ss.channels=1;
ss.format=PA_SAMPLE_S24_32LE;
ps=pa_stream_new(pa_ctx,"Playback",&ss,NULL);
pa_stream_set_write_callback(ps,audio_request_cb,NULL);
pa_stream_set_underflow_callback(ps,audio_underflow_cb,NULL);
pa_buffer_attr bufattr;
bufattr.fragsize = (uint32_t)-1;
bufattr.maxlength = pa_usec_to_bytes(20000,&ss);
bufattr.minreq = pa_usec_to_bytes(0,&ss);
bufattr.prebuf = 0;
bufattr.tlength = pa_usec_to_bytes(20000,&ss);
pa_stream_connect_playback(ps,NULL,&bufattr,
PA_STREAM_INTERPOLATE_TIMING|PA_STREAM_ADJUST_LATENCY|PA_STREAM_AUTO_TIMING_UPDATE|PA_STREAM_START_CORKED,NULL,NULL);
}
static void probe_devices(ALboolean capture)
{
pa_threaded_mainloop *loop;
if(capture == AL_FALSE)
allDevNameMap = malloc(sizeof(DevMap) * 1);
else
allCaptureDevNameMap = malloc(sizeof(DevMap) * 1);
if((loop=pa_threaded_mainloop_new()) &&
pa_threaded_mainloop_start(loop) >= 0)
{
pa_context *context;
pa_threaded_mainloop_lock(loop);
context = connect_context(loop, AL_FALSE);
if(context)
{
pa_operation *o;
if(capture == AL_FALSE)
o = pa_context_get_sink_info_list(context, sink_device_callback, loop);
else
o = pa_context_get_source_info_list(context, source_device_callback, loop);
while(pa_operation_get_state(o) == PA_OPERATION_RUNNING)
pa_threaded_mainloop_wait(loop);
pa_operation_unref(o);
pa_context_disconnect(context);
pa_context_unref(context);
}
pa_threaded_mainloop_unlock(loop);
pa_threaded_mainloop_stop(loop);
}
if(loop)
pa_threaded_mainloop_free(loop);
}
PulseAudioSystem::PulseAudioSystem() {
pasInput = pasOutput = pasSpeaker = NULL;
bSourceDone=bSinkDone=bServerDone = false;
iDelayCache = 0;
bPositionalCache = false;
bAttenuating = false;
iRemainingOperations = 0;
bPulseIsGood = false;
iSinkId = -1;
pam = pa_threaded_mainloop_new();
pa_mainloop_api *api = pa_threaded_mainloop_get_api(pam);
pa_proplist *proplist;
proplist = pa_proplist_new();
pa_proplist_sets(proplist, PA_PROP_APPLICATION_NAME, "Mumble");
pa_proplist_sets(proplist, PA_PROP_APPLICATION_ID, "net.sourceforge.mumble.mumble");
pa_proplist_sets(proplist, PA_PROP_APPLICATION_ICON_NAME, "mumble");
pa_proplist_sets(proplist, PA_PROP_MEDIA_ROLE, "game");
pacContext = pa_context_new_with_proplist(api, NULL, proplist);
pa_proplist_free(proplist);
pa_context_set_subscribe_callback(pacContext, subscribe_callback, this);
pa_context_set_state_callback(pacContext, context_state_callback, this);
pa_context_connect(pacContext, NULL, PA_CONTEXT_NOAUTOSPAWN, NULL);
pade = api->defer_new(api, defer_event_callback, this);
api->defer_enable(pade, false);
pa_threaded_mainloop_start(pam);
bRunning = true;
}
/* Initialization */
std::string RageSoundDriver_PulseAudio::Init()
{
int error = 0;
LOG->Trace("Pulse: pa_threaded_mainloop_new()...");
m_PulseMainLoop = pa_threaded_mainloop_new();
if(m_PulseMainLoop == nullptr)
{
return "pa_threaded_mainloop_new() failed!";
}
#ifdef PA_PROP_APPLICATION_NAME /* proplist available only since 0.9.11 */
pa_proplist *plist = pa_proplist_new();
pa_proplist_sets(plist, PA_PROP_APPLICATION_NAME, PACKAGE_NAME);
pa_proplist_sets(plist, PA_PROP_APPLICATION_VERSION, PACKAGE_VERSION);
pa_proplist_sets(plist, PA_PROP_MEDIA_ROLE, "game");
LOG->Trace("Pulse: pa_context_new_with_proplist()...");
m_PulseCtx = pa_context_new_with_proplist(
pa_threaded_mainloop_get_api(m_PulseMainLoop),
"StepMania", plist);
pa_proplist_free(plist);
if(m_PulseCtx == nullptr)
{
return "pa_context_new_with_proplist() failed!";
}
#else
LOG->Trace("Pulse: pa_context_new()...");
m_PulseCtx = pa_context_new(
pa_threaded_mainloop_get_api(m_PulseMainLoop),
"Stepmania");
if(m_PulseCtx == nullptr)
{
return "pa_context_new() failed!";
}
#endif
pa_context_set_state_callback(m_PulseCtx, StaticCtxStateCb, this);
LOG->Trace("Pulse: pa_context_connect()...");
error = pa_context_connect(m_PulseCtx, nullptr, (pa_context_flags_t)0, nullptr);
if(error < 0)
{
return fmt::sprintf("pa_contect_connect(): %s",
pa_strerror(pa_context_errno(m_PulseCtx)));
}
LOG->Trace("Pulse: pa_threaded_mainloop_start()...");
error = pa_threaded_mainloop_start(m_PulseMainLoop);
if(error < 0)
{
return fmt::sprintf("pa_threaded_mainloop_start() returned %i", error);
}
/* Create the decode thread, this will be needed for Mix(), that we
* will use as soon as a stream is ready. */
StartDecodeThread();
/* Wait for the pulseaudio stream to be ready before returning.
* An error may occur, if it appends, m_Error becomes non-nullptr. */
m_Sem.Wait();
if(m_Error == nullptr)
{
return "";
}
else
{
return m_Error;
}
}
