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);
}
/**
* This function does the context initialization.
*/
static gboolean
xvd_connect_to_pulse (XvdInstance *i)
{
pa_context_flags_t flags = PA_CONTEXT_NOFAIL;
if (i->pulse_context)
{
pa_context_unref (i->pulse_context);
i->pulse_context = NULL;
}
i->pulse_context = pa_context_new (pa_glib_mainloop_get_api (i->pa_main_loop),
XVD_APPNAME);
g_assert(i->pulse_context);
pa_context_set_state_callback (i->pulse_context,
xvd_context_state_callback,
i);
if (pa_context_connect (i->pulse_context,
NULL,
flags,
NULL) < 0)
{
g_warning ("xvd_connect_to_pulse: failed to connect context: %s",
pa_strerror (pa_context_errno (i->pulse_context)));
return FALSE;
}
return TRUE;
}
static int
tsmf_pulse_open(ITSMFAudioDevice * audio, const char * device)
{
TSMFPulseAudioDevice * pulse = (TSMFPulseAudioDevice *) audio;
if (device)
{
strcpy(pulse->device, device);
}
pulse->mainloop = pa_threaded_mainloop_new();
if (!pulse->mainloop)
{
LLOGLN(0, ("tsmf_pulse_open: pa_threaded_mainloop_new failed"));
return 1;
}
pulse->context = pa_context_new(pa_threaded_mainloop_get_api(pulse->mainloop), "freerdp");
if (!pulse->context)
{
LLOGLN(0, ("tsmf_pulse_open: pa_context_new failed"));
return 1;
}
pa_context_set_state_callback(pulse->context, tsmf_pulse_context_state_callback, pulse);
if (tsmf_pulse_connect(pulse))
{
LLOGLN(0, ("tsmf_pulse_open: tsmf_pulse_connect failed"));
return 1;
}
LLOGLN(0, ("tsmf_pulse_open: open device %s", pulse->device));
return 0;
}
bool PulseHandler::Init(void)
{
if (m_initialised)
return m_valid;
m_initialised = true;
// Initialse our connection to the server
m_loop = pa_mainloop_new();
if (!m_loop)
{
LOG(VB_GENERAL, LOG_ERR, LOC + "Failed to get PulseAudio mainloop");
return m_valid;
}
pa_mainloop_api *api = pa_mainloop_get_api(m_loop);
if (!api)
{
LOG(VB_GENERAL, LOG_ERR, LOC + "Failed to get PulseAudio api");
return m_valid;
}
if (pa_signal_init(api) != 0)
{
LOG(VB_GENERAL, LOG_ERR, LOC + "Failed to initialise signaling");
return m_valid;
}
const char *client = "mythtv";
m_ctx = pa_context_new(api, client);
if (!m_ctx)
{
LOG(VB_GENERAL, LOG_ERR, LOC + "Failed to create context");
return m_valid;
}
// remember which thread created this object for later sanity debugging
m_thread = QThread::currentThread();
// we set the callback, connect and then run the main loop 'by hand'
// until we've successfully connected (or not)
pa_context_set_state_callback(m_ctx, StatusCallback, this);
pa_context_connect(m_ctx, NULL, PA_CONTEXT_NOAUTOSPAWN, NULL);
int ret = 0;
int tries = 0;
while ((tries++ < 100) && !IS_READY(m_ctx_state))
{
pa_mainloop_iterate(m_loop, 0, &ret);
usleep(10000);
}
if (PA_CONTEXT_READY != m_ctx_state)
{
LOG(VB_GENERAL, LOG_ERR, LOC + "Context not ready after 1000ms");
return m_valid;
}
LOG(VB_AUDIO, LOG_INFO, LOC + "Initialised handler");
m_valid = true;
return m_valid;
}
/**
* Create, set up and connect a context.
*
* Caller must lock the main loop.
*
* @return true on success, false on error
*/
static bool
pulse_output_setup_context(struct pulse_output *po, GError **error_r)
{
assert(po != NULL);
assert(po->mainloop != NULL);
po->context = pa_context_new(pa_threaded_mainloop_get_api(po->mainloop),
MPD_PULSE_NAME);
if (po->context == NULL) {
g_set_error(error_r, pulse_output_quark(), 0,
"pa_context_new() has failed");
return false;
}
pa_context_set_state_callback(po->context,
pulse_output_context_state_cb, po);
pa_context_set_subscribe_callback(po->context,
pulse_output_subscribe_cb, po);
if (!pulse_output_connect(po, error_r)) {
pulse_output_delete_context(po);
return false;
}
return true;
}
bool PulseDeviceFinder::Reconnect() {
if (context_) {
pa_context_disconnect(context_);
pa_context_unref(context_);
}
context_ = pa_context_new(pa_mainloop_get_api(mainloop_),
"Clementine device finder");
if (!context_) {
qLog(Warning) << "Failed to create pulseaudio context";
return false;
}
if (pa_context_connect(context_, nullptr, PA_CONTEXT_NOFLAGS, nullptr) < 0) {
qLog(Warning) << "Failed to connect pulseaudio context";
return false;
}
// Wait for the context to be connected.
forever {
const pa_context_state state = pa_context_get_state(context_);
if (state == PA_CONTEXT_FAILED || state == PA_CONTEXT_TERMINATED) {
qLog(Warning) << "Connection to pulseaudio failed";
return false;
}
if (state == PA_CONTEXT_READY) {
return true;
}
pa_mainloop_iterate(mainloop_, true, nullptr);
}
}
static BOOL tsmf_pulse_open(ITSMFAudioDevice *audio, const char *device)
{
TSMFPulseAudioDevice *pulse = (TSMFPulseAudioDevice *) audio;
if(device)
{
strcpy(pulse->device, device);
}
pulse->mainloop = pa_threaded_mainloop_new();
if(!pulse->mainloop)
{
DEBUG_WARN("pa_threaded_mainloop_new failed");
return FALSE;
}
pulse->context = pa_context_new(pa_threaded_mainloop_get_api(pulse->mainloop), "freerdp");
if(!pulse->context)
{
DEBUG_WARN("pa_context_new failed");
return FALSE;
}
pa_context_set_state_callback(pulse->context, tsmf_pulse_context_state_callback, pulse);
if(tsmf_pulse_connect(pulse))
{
DEBUG_WARN("tsmf_pulse_connect failed");
return FALSE;
}
DEBUG_TSMF("open device %s", pulse->device);
return TRUE;
}
void vis::PulseAudioSource::populate_default_source_name()
{
#ifdef _ENABLE_PULSE
pa_mainloop_api *mainloop_api;
pa_context *pulseaudio_context;
// Create a mainloop API and connection to the default server
m_pulseaudio_mainloop = pa_mainloop_new();
mainloop_api = pa_mainloop_get_api(m_pulseaudio_mainloop);
pulseaudio_context = pa_context_new(mainloop_api, "vis device list");
// This function connects to the pulse server
pa_context_connect(pulseaudio_context, nullptr, PA_CONTEXT_NOFLAGS,
nullptr);
// This function defines a callback so the server will tell us its state.
pa_context_set_state_callback(pulseaudio_context,
pulseaudio_context_state_callback,
reinterpret_cast<void *>(this));
int ret;
if (pa_mainloop_run(m_pulseaudio_mainloop, &ret) < 0)
{
VIS_LOG(vis::LogLevel::ERROR, "Could not open pulseaudio mainloop to "
"find default device name: %d",
ret);
}
#endif
}
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 PulseAudioDriver::thread_body()
{
m_main_loop = pa_mainloop_new();
pa_mainloop_api* api = pa_mainloop_get_api(m_main_loop);
pa_io_event* ioev = api->io_new(api, m_pipe[0], PA_IO_EVENT_INPUT,
pipe_callback, this);
m_ctx = pa_context_new(api, "Hydrogen");
pa_context_set_state_callback(m_ctx, ctx_state_callback, this);
pa_context_connect(m_ctx, 0, pa_context_flags_t(0), 0);
int retval;
pa_mainloop_run(m_main_loop, &retval);
if (m_stream)
{
pa_stream_set_state_callback(m_stream, 0, 0);
pa_stream_set_write_callback(m_stream, 0, 0);
pa_stream_unref(m_stream);
m_stream = 0;
}
api->io_free(ioev);
pa_context_unref(m_ctx);
pa_mainloop_free(m_main_loop);
return retval;
}
int main(int argc, char *argv[]) {
// Define our pulse audio loop and connection variables
pa_mainloop *pa_ml;
pa_mainloop_api *pa_mlapi;
pa_operation *pa_op;
pa_time_event *time_event;
// Create a mainloop API and connection to the default server
pa_ml = pa_mainloop_new();
pa_mlapi = pa_mainloop_get_api(pa_ml);
context = pa_context_new(pa_mlapi, "Device list");
// This function connects to the pulse server
pa_context_connect(context, NULL, 0, NULL);
// This function defines a callback so the server will tell us its state.
pa_context_set_state_callback(context, context_state_cb, NULL);
if (pa_mainloop_run(pa_ml, &ret) < 0) {
printf("pa_mainloop_run() failed.");
exit(1);
}
}
void Context::connectToDaemon()
{
Q_ASSERT(m_context == nullptr);
// We require a glib event loop
if (!QByteArray(QAbstractEventDispatcher::instance()->metaObject()->className()).contains("EventDispatcherGlib")) {
qCWarning(PLASMAPA) << "Disabling PulseAudio integration for lack of GLib event loop";
return;
}
qCDebug(PLASMAPA) << "Attempting connection to PulseAudio sound daemon";
if (!m_mainloop) {
m_mainloop = pa_glib_mainloop_new(nullptr);
Q_ASSERT(m_mainloop);
}
pa_mainloop_api *api = pa_glib_mainloop_get_api(m_mainloop);
Q_ASSERT(api);
m_context = pa_context_new(api, "QPulse");
Q_ASSERT(m_context);
if (pa_context_connect(m_context, NULL, PA_CONTEXT_NOFAIL, nullptr) < 0) {
pa_context_unref(m_context);
pa_glib_mainloop_free(m_mainloop);
m_context = nullptr;
m_mainloop = nullptr;
return;
}
pa_context_set_state_callback(m_context, &context_state_callback, this);
}
Error AudioDriverPulseAudio::init() {
active = false;
thread_exited = false;
exit_thread = false;
mix_rate = GLOBAL_DEF_RST("audio/mix_rate", DEFAULT_MIX_RATE);
pa_ml = pa_mainloop_new();
ERR_FAIL_COND_V(pa_ml == NULL, ERR_CANT_OPEN);
pa_ctx = pa_context_new(pa_mainloop_get_api(pa_ml), "Godot");
ERR_FAIL_COND_V(pa_ctx == NULL, ERR_CANT_OPEN);
pa_ready = 0;
pa_context_set_state_callback(pa_ctx, pa_state_cb, (void *)this);
int ret = pa_context_connect(pa_ctx, NULL, PA_CONTEXT_NOFLAGS, NULL);
if (ret < 0) {
if (pa_ctx) {
pa_context_unref(pa_ctx);
pa_ctx = NULL;
}
if (pa_ml) {
pa_mainloop_free(pa_ml);
pa_ml = NULL;
}
return ERR_CANT_OPEN;
}
while (pa_ready == 0) {
pa_mainloop_iterate(pa_ml, 1, NULL);
}
if (pa_ready < 0) {
if (pa_ctx) {
pa_context_disconnect(pa_ctx);
pa_context_unref(pa_ctx);
pa_ctx = NULL;
}
if (pa_ml) {
pa_mainloop_free(pa_ml);
pa_ml = NULL;
}
return ERR_CANT_OPEN;
}
Error err = init_device();
if (err == OK) {
mutex = Mutex::create();
thread = Thread::create(AudioDriverPulseAudio::thread_func, this);
}
return OK;
}
static int pa_get_devicelist(AudioDeviceInfoList& input)
{
pa_mainloop *pa_ml;
pa_mainloop_api *pa_mlapi;
pa_operation *pa_op;
pa_context *pa_ctx;
int state = 0;
int pa_ready = 0;
pa_ml = pa_mainloop_new();
pa_mlapi = pa_mainloop_get_api(pa_ml);
pa_ctx = pa_context_new(pa_mlapi, "USBqemu-devicelist");
pa_context_connect(pa_ctx, NULL, PA_CONTEXT_NOFLAGS, NULL);
pa_context_set_state_callback(pa_ctx, pa_context_state_cb, &pa_ready);
for (;;) {
if (pa_ready == 0)
{
pa_mainloop_iterate(pa_ml, 1, NULL);
continue;
}
// Connection failed
if (pa_ready == 2)
{
pa_context_disconnect(pa_ctx);
pa_context_unref(pa_ctx);
pa_mainloop_free(pa_ml);
return -1;
}
switch (state)
{
case 0:
pa_op = pa_context_get_source_info_list(pa_ctx,
pa_sourcelist_cb,
&input);
state++;
break;
case 1:
if (pa_operation_get_state(pa_op) == PA_OPERATION_DONE)
{
pa_operation_unref(pa_op);
pa_context_disconnect(pa_ctx);
pa_context_unref(pa_ctx);
pa_mainloop_free(pa_ml);
return 0;
}
break;
default:
return -1;
}
pa_mainloop_iterate(pa_ml, 1, NULL);
}
}
/*
* 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;
}
JNIEXPORT jlong JNICALL
Java_com_harrcharr_pulse_PulseContext_JNICreate(
JNIEnv *jenv, jclass jcls, pa_threaded_mainloop *m) {
dlog(0, "%d", m);
pa_mainloop_api *api = pa_threaded_mainloop_get_api(m);
pa_context *c = pa_context_new(api, "primary");
return c;
}
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);
}
}
bool PulseAudio::init(bool)
{
pa_ml = pa_mainloop_new();
pa_mainloop_api* pa_mlapi = pa_mainloop_get_api(pa_ml);
pa_context* pa_ctx = pa_context_new(pa_mlapi, "MuseScore");
if (pa_context_connect(pa_ctx, NULL, pa_context_flags_t(0), NULL) != 0)
qDebug("PulseAudio Context Connect Failed with Error: %s", pa_strerror(pa_context_errno(pa_ctx)));
int pa_ready = 0;
pa_context_set_state_callback(pa_ctx, pa_state_cb, &pa_ready);
while (pa_ready == 0)
pa_mainloop_iterate(pa_ml, 1, NULL);
if (pa_ready == 2)
return false;
ss.rate = _sampleRate;
ss.channels = 2;
ss.format = PA_SAMPLE_FLOAT32LE;
pa_stream* playstream = pa_stream_new(pa_ctx, "Playback", &ss, NULL);
if (!playstream) {
qDebug("pa_stream_new failed");
return false;
}
pa_stream_set_write_callback(playstream, paCallback, this);
bufattr.fragsize = (uint32_t)-1;
bufattr.maxlength = FRAMES * 2 * sizeof(float);
bufattr.minreq = FRAMES * 1 * sizeof(float); // pa_usec_to_bytes(0, &ss);
bufattr.prebuf = (uint32_t)-1;
bufattr.tlength = bufattr.maxlength;
int r = pa_stream_connect_playback(playstream, NULL, &bufattr,
pa_stream_flags_t(PA_STREAM_INTERPOLATE_TIMING
| PA_STREAM_ADJUST_LATENCY
| PA_STREAM_AUTO_TIMING_UPDATE),
NULL, NULL);
if (r < 0) {
// Old pulse audio servers don't like the ADJUST_LATENCY flag, so retry without that
r = pa_stream_connect_playback(playstream, NULL, &bufattr,
pa_stream_flags_t(PA_STREAM_INTERPOLATE_TIMING
| PA_STREAM_AUTO_TIMING_UPDATE),
NULL, NULL);
}
if (r < 0) {
qDebug("pa_stream_connect_playback failed");
pa_context_disconnect(pa_ctx);
pa_context_unref(pa_ctx);
pa_mainloop_free(pa_ml);
pa_ml = 0;
return false;
}
return true;
}
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());
}
static void connect(void) {
int r;
ctxt = pa_context_new(pa_glib_mainloop_get_api(m), NULL);
g_assert(ctxt);
r = pa_context_connect(ctxt, NULL, PA_CONTEXT_NOAUTOSPAWN|PA_CONTEXT_NOFAIL, NULL);
g_assert(r == 0);
pa_context_set_state_callback(ctxt, context_state_callback, NULL);
}
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);
}
int FreeRDPRdpsndDeviceEntry(PFREERDP_RDPSND_DEVICE_ENTRY_POINTS pEntryPoints)
{
rdpsndPulsePlugin* pulse;
RDP_PLUGIN_DATA* data;
pulse = xnew(rdpsndPulsePlugin);
pulse->device.Open = rdpsnd_pulse_open;
pulse->device.FormatSupported = rdpsnd_pulse_format_supported;
pulse->device.SetFormat = rdpsnd_pulse_set_format;
pulse->device.SetVolume = rdpsnd_pulse_set_volume;
pulse->device.Play = rdpsnd_pulse_play;
pulse->device.Start = rdpsnd_pulse_start;
pulse->device.Close = rdpsnd_pulse_close;
pulse->device.Free = rdpsnd_pulse_free;
data = pEntryPoints->plugin_data;
if (data && strcmp((char*)data->data[0], "pulse") == 0)
{
if(data->data[1] && strlen((char*)data->data[1]) > 0)
pulse->device_name = xstrdup((char*)data->data[1]);
else
pulse->device_name = NULL;
}
pulse->dsp_context = freerdp_dsp_context_new();
pulse->mainloop = pa_threaded_mainloop_new();
if (!pulse->mainloop)
{
DEBUG_WARN("pa_threaded_mainloop_new failed");
rdpsnd_pulse_free((rdpsndDevicePlugin*)pulse);
return 1;
}
pulse->context = pa_context_new(pa_threaded_mainloop_get_api(pulse->mainloop), "freerdp");
if (!pulse->context)
{
DEBUG_WARN("pa_context_new failed");
rdpsnd_pulse_free((rdpsndDevicePlugin*)pulse);
return 1;
}
pa_context_set_state_callback(pulse->context, rdpsnd_pulse_context_state_callback, pulse);
if (!rdpsnd_pulse_connect((rdpsndDevicePlugin*)pulse))
{
DEBUG_WARN("rdpsnd_pulse_connect failed");
rdpsnd_pulse_free((rdpsndDevicePlugin*)pulse);
return 1;
}
pEntryPoints->pRegisterRdpsndDevice(pEntryPoints->rdpsnd, (rdpsndDevicePlugin*)pulse);
return 0;
}
int pa_get_devicelist(pa_devicelist_t *output)
{
pa_mainloop *pa_ml = NULL;
pa_mainloop_api *pa_mlapi = NULL;
pa_operation *pa_op = NULL;
pa_context *pa_ctx = NULL;
uint8_t state = 0;
int pa_ready = 0;
memset(output, 0, sizeof(pa_devicelist_t) * 16);
if ( (pa_ml = pa_mainloop_new()) == NULL) return -1;
if ( (pa_mlapi = pa_mainloop_get_api(pa_ml)) == NULL ) return -2;
if ( (pa_ctx = pa_context_new(pa_mlapi, "test")) == NULL) return -3;
pa_context_connect(pa_ctx, NULL, 0, NULL);
pa_context_set_state_callback(pa_ctx, pa_state_cb, &pa_ready);
while (1) {
if (pa_ready == 0) {
pa_mainloop_iterate(pa_ml, 1, NULL);
continue;
}
if (pa_ready == 2) {
pa_context_disconnect(pa_ctx);
pa_context_unref(pa_ctx);
pa_mainloop_free(pa_ml);
return -1;
}
switch (state) {
case 0:
pa_op = pa_context_get_sink_info_list(pa_ctx, pa_sinklist_cb, output);
state++;
break;
case 1:
if (pa_operation_get_state(pa_op) == PA_OPERATION_DONE) {
pa_operation_unref(pa_op);
pa_context_disconnect(pa_ctx);
pa_context_unref(pa_ctx);
pa_mainloop_free(pa_ml);
return 0;
}
break;
default:
return -1;
}
pa_mainloop_iterate(pa_ml, 1, NULL);
}
}
bool PulseAudio::PulseInit()
{
m_pa_error = 0;
m_pa_connected = 0;
// create pulseaudio main loop and context
// also register the async state callback which is called when the connection to the pa server has changed
m_pa_ml = pa_mainloop_new();
m_pa_mlapi = pa_mainloop_get_api(m_pa_ml);
m_pa_ctx = pa_context_new(m_pa_mlapi, "dolphin-emu");
m_pa_error = pa_context_connect(m_pa_ctx, nullptr, PA_CONTEXT_NOFLAGS, nullptr);
pa_context_set_state_callback(m_pa_ctx, StateCallback, this);
// wait until we're connected to the pulseaudio server
while (m_pa_connected == 0 && m_pa_error >= 0)
m_pa_error = pa_mainloop_iterate(m_pa_ml, 1, nullptr);
if (m_pa_connected == 2 || m_pa_error < 0)
{
ERROR_LOG(AUDIO, "PulseAudio failed to initialize: %s", pa_strerror(m_pa_error));
return false;
}
// create a new audio stream with our sample format
// also connect the callbacks for this stream
pa_sample_spec ss;
ss.format = PA_SAMPLE_S16LE;
ss.channels = 2;
ss.rate = m_mixer->GetSampleRate();
m_pa_s = pa_stream_new(m_pa_ctx, "Playback", &ss, nullptr);
pa_stream_set_write_callback(m_pa_s, WriteCallback, this);
pa_stream_set_underflow_callback(m_pa_s, UnderflowCallback, this);
// connect this audio stream to the default audio playback
// limit buffersize to reduce latency
m_pa_ba.fragsize = -1;
m_pa_ba.maxlength = -1; // max buffer, so also max latency
m_pa_ba.minreq = -1; // don't read every byte, try to group them _a bit_
m_pa_ba.prebuf = -1; // start as early as possible
m_pa_ba.tlength = BUFFER_SIZE; // designed latency, only change this flag for low latency output
pa_stream_flags flags = pa_stream_flags(PA_STREAM_INTERPOLATE_TIMING | PA_STREAM_ADJUST_LATENCY | PA_STREAM_AUTO_TIMING_UPDATE);
m_pa_error = pa_stream_connect_playback(m_pa_s, nullptr, &m_pa_ba, flags, nullptr, nullptr);
if (m_pa_error < 0)
{
ERROR_LOG(AUDIO, "PulseAudio failed to initialize: %s", pa_strerror(m_pa_error));
return false;
}
INFO_LOG(AUDIO, "Pulse successfully initialized");
return true;
}
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;
}
int main(int argc, const char *argv[])
{
pa_mainloop *pa_ml = NULL;
pa_mainloop_api *pa_mlapi = NULL;
pa_operation *pa_op = NULL;
pa_context *pa_ctx = NULL;
int pa_ready = 0;
int state = 0;
pa_ml = pa_mainloop_new();
pa_mlapi = pa_mainloop_get_api(pa_ml);
pa_ctx = pa_context_new(pa_mlapi, "deepin");
pa_context_connect(pa_ctx, NULL, 0, NULL);
pa_context_set_state_callback(pa_ctx, pa_state_cb, &pa_ready);
for (;;) {
if (pa_ready == 0) {
pa_mainloop_iterate(pa_ml, 1, NULL);
continue;
}
if (pa_ready == 2) {
pa_context_disconnect(pa_ctx);
pa_context_unref(pa_ctx);
pa_mainloop_free(pa_ml);
return -1;
}
switch (state) {
case 0:
pa_op = pa_context_get_source_output_info_list(pa_ctx, pa_source_output_cb, NULL);
state++;
break;
case 1:
if (pa_operation_get_state(pa_op) == PA_OPERATION_DONE) {
pa_operation_unref(pa_op);
pa_context_disconnect(pa_ctx);
pa_context_unref(pa_ctx);
pa_mainloop_free(pa_ml);
return 0;
}
break;
default:
fprintf(stderr, "in state %d\n", state);
return -1;
}
pa_mainloop_iterate(pa_ml, 1, NULL);
}
return 0;
}
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;
}
bool PulseAudio::init(bool)
{
pa_ml = pa_mainloop_new();
pa_mainloop_api* pa_mlapi = pa_mainloop_get_api(pa_ml);
pa_context* pa_ctx = pa_context_new(pa_mlapi, "MuseScore");
if (pa_context_connect(pa_ctx, NULL, pa_context_flags_t(0), NULL) != 0) {
qDebug("PulseAudio Context Connect Failed with Error: %s", pa_strerror(pa_context_errno(pa_ctx)));
return false;
}
int pa_ready = 0;
pa_context_set_state_callback(pa_ctx, pa_state_cb, &pa_ready);
while (pa_ready == 0)
pa_mainloop_iterate(pa_ml, 1, NULL);
if (pa_ready == 2)
return false;
ss.rate = _sampleRate;
ss.channels = 2;
ss.format = PA_SAMPLE_FLOAT32LE;
pa_stream* playstream = pa_stream_new(pa_ctx, "Playback", &ss, NULL);
if (!playstream) {
qDebug("pa_stream_new failed: %s", pa_strerror(pa_context_errno(pa_ctx)));
return false;
}
pa_stream_set_write_callback(playstream, paCallback, this);
bufattr.fragsize = (uint32_t)-1;
bufattr.maxlength = FRAMES * 2 * sizeof(float);
bufattr.minreq = FRAMES * 1 * sizeof(float); // pa_usec_to_bytes(0, &ss);
bufattr.prebuf = (uint32_t)-1;
bufattr.tlength = bufattr.maxlength;
int r = pa_stream_connect_playback(playstream, nullptr, &bufattr,
PA_STREAM_NOFLAGS, nullptr, nullptr);
if (r < 0) {
qDebug("pa_stream_connect_playback failed");
pa_context_disconnect(pa_ctx);
pa_context_unref(pa_ctx);
pa_mainloop_free(pa_ml);
pa_ml = 0;
return false;
}
return true;
}
void AudioSinksManager::start_pa_connection() {
context = pa_context_new(pa_mainloop.get_api(), "chromecast-sink");
if (!context) {
report_error("Couldn't create context" + get_pa_error());
return;
}
pa_context_set_state_callback(context, context_state_callback, this);
pa_context_set_event_callback(context, context_event_callback, this);
pa_context_set_subscribe_callback(context, context_subscription_callback, this);
if (pa_context_connect(context, NULL, PA_CONTEXT_NOAUTOSPAWN, NULL) < 0) {
report_error("Couldn't connect to PulseAudio server" + get_pa_error());
return;
}
}
int main(int argc, char *argv[]) {
struct stat st;
off_t size;
ssize_t nread;
// We'll need these state variables to keep track of our requests
int state = 0;
int pa_ready = 0;
if (argc != 2) {
fprintf(stderr, "Usage: %s file\n", argv[0]);
exit(1);
}
// slurp the whole file into buffer
if ((fdin = open(argv[1], O_RDONLY)) == -1) {
perror("open");
exit(1);
}
// Create a mainloop API and connection to the default server
mainloop = pa_mainloop_new();
mainloop_api = pa_mainloop_get_api(mainloop);
context = pa_context_new(mainloop_api, "test");
// This function connects to the pulse server
pa_context_connect(context, NULL, 0, NULL);
printf("Connecting\n");
// This function defines a callback so the server will tell us it's state.
// Our callback will wait for the state to be ready. The callback will
// modify the variable to 1 so we know when we have a connection and it's
// ready.
// If there's an error, the callback will set pa_ready to 2
pa_context_set_state_callback(context, state_cb, &pa_ready);
if (pa_mainloop_run(mainloop, &ret) < 0) {
printf("pa_mainloop_run() failed.");
exit(1); // goto quit
}
}
