int main(int argc, char *argv[]) {
pa_mainloop *m;
m = pa_mainloop_new();
assert(m);
pa_cpu_limit_init(pa_mainloop_get_api(m));
time(&start);
#ifdef TEST2
pa_signal_init(pa_mainloop_get_api(m));
pa_signal_new(SIGUSR1, func, NULL);
raise(SIGUSR1);
pa_mainloop_run(m, NULL);
pa_signal_done();
#else
for (;;) {
time_t now;
time(&now);
if ((now - start) >= 30) {
fprintf(stderr, "Test failed\n");
break;
}
}
#endif
pa_cpu_limit_done();
pa_mainloop_free(m);
return 0;
}
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;
}
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;
}
/*
* Initialize pulseAudio
*/
static int init_pa(recorder_context_t *rctx)
{
pa_mainloop_api *pa_mlapi;
pa_proplist *ctx_properties = pa_proplist_new();
pa_proplist *stream_properties = pa_proplist_new();
int retval = 0;
rctx->pa_ml = pa_mainloop_new();
pa_mlapi = pa_mainloop_get_api(rctx->pa_ml);
rctx->pa_ctx = pa_context_new_with_proplist(pa_mlapi,
"NoApp recorder", ctx_properties);
pa_context_connect(rctx->pa_ctx, NULL, 0, NULL);
rctx->pa_ready = 0;
pa_context_set_state_callback(rctx->pa_ctx, pa_state_cb, rctx);
while (rctx->pa_ready == 0){
pa_mainloop_iterate(rctx->pa_ml, 1, NULL);
}
if (rctx->pa_ready == 2){
retval = -1;
goto exit;
}
rctx->recording_stream = pa_stream_new_with_proplist(rctx->pa_ctx,
"NoApp recorder", &rctx->pa_ss,
NULL, stream_properties);
retval = pa_stream_connect_record(rctx->recording_stream, NULL, NULL, 0);
if (retval < 0){
Log(LOG_ERR, "pa_stream_connect_playback failed\n");
goto exit;
}
exit:
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 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
}
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);
}
}
bool PulseDeviceFinder::Initialise() {
mainloop_ = pa_mainloop_new();
if (!mainloop_) {
qLog(Warning) << "Failed to create pulseaudio mainloop";
return false;
}
return Reconnect();
}
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;
}
int main(int argc, char *argv[]) {
pa_mainloop_api *a;
pa_io_event *ioe;
pa_time_event *te;
struct timeval tv;
#ifdef GLIB_MAIN_LOOP
pa_glib_mainloop *g;
glib_main_loop = g_main_loop_new(NULL, FALSE);
assert(glib_main_loop);
g = pa_glib_mainloop_new(NULL);
assert(g);
a = pa_glib_mainloop_get_api(g);
assert(a);
#else /* GLIB_MAIN_LOOP */
pa_mainloop *m;
m = pa_mainloop_new();
assert(m);
a = pa_mainloop_get_api(m);
assert(a);
#endif /* GLIB_MAIN_LOOP */
ioe = a->io_new(a, 0, PA_IO_EVENT_INPUT, iocb, NULL);
assert(ioe);
de = a->defer_new(a, dcb, NULL);
assert(de);
te = a->time_new(a, pa_timeval_rtstore(&tv, pa_rtclock_now() + 2 * PA_USEC_PER_SEC, TRUE), tcb, NULL);
#if defined(GLIB_MAIN_LOOP)
g_main_loop_run(glib_main_loop);
#else
pa_mainloop_run(m, NULL);
#endif
a->time_free(te);
a->defer_free(de);
a->io_free(ioe);
#ifdef GLIB_MAIN_LOOP
pa_glib_mainloop_free(g);
g_main_loop_unref(glib_main_loop);
#else
pa_mainloop_free(m);
#endif
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;
}
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 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;
}
static int create_mainloop(client_t *c)
{
if (!c->glib) {
c->pa = pa_mainloop_new();
c->ml = mrp_mainloop_pulse_get(pa_mainloop_get_api(c->pa));
}
else {
c->gml = g_main_loop_new(NULL, FALSE);
c->ml = mrp_mainloop_glib_get(c->gml);
}
if (c->ml != NULL)
return TRUE;
else
return FALSE;
}
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
}
}
/**
* Pulsaudio init
*/
static void
pa_init ()
{
int r;
int i;
if (!pa_sample_spec_valid (&sample_spec))
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
_("Wrong Spec\n"));
}
/* set up main record loop */
if (!(m = pa_mainloop_new ()))
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
_("pa_mainloop_new() failed.\n"));
}
mainloop_api = pa_mainloop_get_api (m);
/* listen to signals */
r = pa_signal_init (mainloop_api);
GNUNET_assert (r == 0);
pa_signal_new (SIGINT, &exit_signal_callback, NULL);
pa_signal_new (SIGTERM, &exit_signal_callback, NULL);
/* connect to the main pulseaudio context */
if (!(context = pa_context_new (mainloop_api, "GNUNET VoIP")))
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
_("pa_context_new() failed.\n"));
}
pa_context_set_state_callback (context, &context_state_callback, NULL);
if (pa_context_connect (context, NULL, 0, NULL) < 0)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
_("pa_context_connect() failed: %s\n"),
pa_strerror (pa_context_errno (context)));
}
if (pa_mainloop_run (m, &i) < 0)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
_("pa_mainloop_run() failed.\n"));
}
}
pa_threaded_mainloop *pa_threaded_mainloop_new(void) {
pa_threaded_mainloop *m;
pa_init_i18n();
m = pa_xnew0(pa_threaded_mainloop, 1);
if (!(m->real_mainloop = pa_mainloop_new())) {
pa_xfree(m);
return NULL;
}
m->mutex = pa_mutex_new(true, true);
m->cond = pa_cond_new();
m->accept_cond = pa_cond_new();
pa_mainloop_set_poll_func(m->real_mainloop, poll_func, m->mutex);
return m;
}
int main(int argc, char *argv[]) {
pa_mainloop* m = NULL;
int i, ret = 0;
for (i = 0; i < SAMPLE_HZ; i++)
data[i] = (float) sin(((double) i/SAMPLE_HZ)*2*M_PI*SINE_HZ)/2;
for (i = 0; i < NSTREAMS; i++)
streams[i] = NULL;
/* Set up a new main loop */
m = pa_mainloop_new();
assert(m);
mainloop_api = pa_mainloop_get_api(m);
context = pa_context_new(mainloop_api, argv[0]);
assert(context);
pa_context_set_state_callback(context, context_state_callback, NULL);
/* Connect the context */
if (pa_context_connect(context, NULL, 0, NULL) < 0) {
fprintf(stderr, "pa_context_connect() failed.\n");
goto quit;
}
if (pa_mainloop_run(m, &ret) < 0)
fprintf(stderr, "pa_mainloop_run() failed.\n");
quit:
pa_context_unref(context);
for (i = 0; i < NSTREAMS; i++)
if (streams[i])
pa_stream_unref(streams[i]);
pa_mainloop_free(m);
return ret;
}
APULSE_EXPORT
pa_threaded_mainloop *
pa_threaded_mainloop_new(void)
{
trace_info_f("F %s (void)\n", __func__);
pthread_mutexattr_t mutex_attr;
pa_threaded_mainloop *m = calloc(1, sizeof(*m));
m->m = pa_mainloop_new();
pthread_mutexattr_init(&mutex_attr);
pthread_mutexattr_settype(&mutex_attr, PTHREAD_MUTEX_RECURSIVE);
pthread_mutex_init(&m->lock, &mutex_attr);
pthread_mutexattr_destroy(&mutex_attr);
pthread_cond_init(&m->cond, NULL);
pa_mainloop_set_poll_func(m->m, poll_func, &m->lock);
return m;
}
/*
* Create a new pulse audio main loop and connect to the server
*
* Returns a negative value on error
*/
static int pulse_connect(struct pulse_data *data)
{
data->mainloop = pa_mainloop_new();
if (!data->mainloop) {
blog(LOG_ERROR, "pulse-input: Unable to create main loop");
return -1;
}
data->context = pa_context_new_with_proplist(
pa_mainloop_get_api(data->mainloop), "OBS Studio", data->props);
if (!data->context) {
blog(LOG_ERROR, "pulse-input: Unable to create context");
return -1;
}
int status = pa_context_connect(
data->context, NULL, PA_CONTEXT_NOAUTOSPAWN, NULL);
if (status < 0) {
blog(LOG_ERROR, "pulse-input: Unable to connect! Status: %d",
status);
return -1;
}
// wait until connected
for (;;) {
pulse_iterate(data);
pa_context_state_t state = pa_context_get_state(data->context);
if (state == PA_CONTEXT_READY) {
blog(LOG_DEBUG, "pulse-input: Context ready");
break;
}
if (!PA_CONTEXT_IS_GOOD(state)) {
blog(LOG_ERROR, "pulse-input: Context connect failed");
return -1;
}
}
return 0;
}
void executeRequest( StateData* stateData )
{
// Create mainloop
pa_mainloop* mainLoop = pa_mainloop_new();
// Create mainloop API
pa_mainloop_api* mainLoopApi = pa_mainloop_get_api( mainLoop );
// Create context
pa_context* context = pa_context_new( mainLoopApi, "cinder-requests" );
// Set context state callback
stateData->mainLoopApi = mainLoopApi;
pa_context_set_state_callback( context, processContextState, static_cast<void*>( stateData ) );
// Connect context
if( pa_context_connect( context, nullptr, PA_CONTEXT_NOFLAGS, nullptr ) >= 0 ) {
// Run mainloop
int result = 0;
if( pa_mainloop_run( mainLoop, &result ) < 0 ) {
// Handle error
}
}
pa_context_unref( context );
pa_mainloop_free( mainLoop );
}
int pulse_init(struct pulseaudio_t *pulse) {
enum pa_context_state state = PA_CONTEXT_CONNECTING;
pulse->mainloop = pa_mainloop_new();
pulse->cxt = pa_context_new(pa_mainloop_get_api(pulse->mainloop), "pavol");
pulse->default_sink = NULL;
pulse->muted = 0;
pulse->volume = 0;
pa_context_set_state_callback(pulse->cxt, pulse_connect_state_cb, &state);
pa_context_connect(pulse->cxt, NULL, PA_CONTEXT_NOFLAGS, NULL);
while (state != PA_CONTEXT_READY && state != PA_CONTEXT_FAILED)
pa_mainloop_iterate(pulse->mainloop, 1, NULL);
if (state != PA_CONTEXT_READY) {
fprintf(stderr, "failed to connect to pulse daemon: %s\n",
pa_strerror(pa_context_errno(pulse->cxt)));
return 1;
}
return 0;
}
/* The implementation of create_output_device_name_list() is based on the
* example code in
* http://www.ypass.net/blog/2009/10/
* pulseaudio-an-async-example-to-get-device-lists/
*/
mbx_error_code mbx_create_output_device_name_list(char ***dev_names, size_t *n_devs)
{
pa_mainloop *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, "music box (listing output "
"devices)");
pa_operation *pa_op;
pa_context_state_t pa_context_state = PA_CONTEXT_UNCONNECTED;
int do_iterate = 1;
int error = 0;
pa_context_connect(pa_ctx, NULL, 0, NULL);
/* The state callback will update the state when we are connected to the
* PulseAudio server, or if an error occurs. */
pa_context_set_state_callback(pa_ctx, pa_context_state_cb,
&pa_context_state);
while ( do_iterate ) {
switch ( pa_context_state ) {
case PA_CONTEXT_UNCONNECTED:
case PA_CONTEXT_CONNECTING:
case PA_CONTEXT_AUTHORIZING:
case PA_CONTEXT_SETTING_NAME:
pa_mainloop_iterate(pa_ml, 1, NULL); // we must wait.
break;
case PA_CONTEXT_READY:
do_iterate = 0;
break;
case PA_CONTEXT_FAILED:
mbx_log_error(MBX_LOG_AUDIO_OUTPUT, "Connection to PulseAudio server failed: "
"%s", pa_strerror(pa_context_errno(pa_ctx)));
error = 1;
break;
case PA_CONTEXT_TERMINATED:
mbx_log_error(MBX_LOG_AUDIO_OUTPUT, "Connection to PulseAudio server "
"terminated unexpectedly.");
error = 1;
break;
default:
mbx_log_error(MBX_LOG_AUDIO_OUTPUT, "The PulseAudio context has an unexpected "
"state: %d", pa_context_state);
error = 1;
break;
}
if ( error ) {
do_iterate = 0;
}
}
if ( ! error ) {
struct list_of_strings result = { NULL, 0, 0 };
pa_op = pa_context_get_sink_info_list(pa_ctx, pa_sinklist_cb, &result);
while ( pa_operation_get_state(pa_op) == PA_OPERATION_RUNNING ) {
pa_mainloop_iterate(pa_ml, 1, NULL); // wait.
}
pa_operation_unref(pa_op);
*dev_names = result.strings;
*n_devs = result.n_strings;
}
pa_context_disconnect(pa_ctx);
pa_context_unref(pa_ctx);
pa_mainloop_free(pa_ml);
return error ? MBX_PULSEAUDIO_ERROR : MBX_SUCCESS;
}
int pa_get_devicelist(pa_devicelist_t *input, pa_devicelist_t *output) {
// Define our pulse audio loop and connection variables
pa_mainloop *pa_ml;
pa_mainloop_api *pa_mlapi;
pa_operation *pa_op;
pa_context *pa_ctx;
// We'll need these state variables to keep track of our requests
int state = 0;
int pa_ready = 0;
// Initialize our device lists
memset(input, 0, sizeof(pa_devicelist_t) * 16);
memset(output, 0, sizeof(pa_devicelist_t) * 16);
// Create a mainloop API and connection to the default server
pa_ml = pa_mainloop_new();
pa_mlapi = pa_mainloop_get_api(pa_ml);
pa_ctx = pa_context_new(pa_mlapi, "test");
// This function connects to the pulse server
pa_context_connect(pa_ctx, NULL, 0, NULL);
// 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(pa_ctx, pa_state_cb, &pa_ready);
// Now we'll enter into an infinite loop until we get the data we receive
// or if there's an error
for (;;) {
// We can't do anything until PA is ready, so just iterate the mainloop
// and continue
if (pa_ready == 0) {
pa_mainloop_iterate(pa_ml, 1, NULL);
continue;
}
// We couldn't get a connection to the server, so exit out
if (pa_ready == 2) {
pa_context_disconnect(pa_ctx);
pa_context_unref(pa_ctx);
pa_mainloop_free(pa_ml);
return -1;
}
// At this point, we're connected to the server and ready to make
// requests
switch (state) {
// State 0: we haven't done anything yet
case 0:
// This sends an operation to the server. pa_sinklist_info is
// our callback function and a pointer to our devicelist will
// be passed to the callback The operation ID is stored in the
// pa_op variable
pa_op = pa_context_get_sink_info_list(pa_ctx,
pa_sinklist_cb,
output
);
// Update state for next iteration through the loop
state++;
break;
case 1:
// Now we wait for our operation to complete. When it's
// complete our pa_output_devicelist is filled out, and we move
// along to the next state
if (pa_operation_get_state(pa_op) == PA_OPERATION_DONE) {
pa_operation_unref(pa_op);
// Now we perform another operation to get the source
// (input device) list just like before. This time we pass
// a pointer to our input structure
pa_op = pa_context_get_source_info_list(pa_ctx,
pa_sourcelist_cb,
input
);
// Update the state so we know what to do next
state++;
}
break;
case 2:
if (pa_operation_get_state(pa_op) == PA_OPERATION_DONE) {
// Now we're done, clean up and disconnect and return
pa_operation_unref(pa_op);
pa_context_disconnect(pa_ctx);
pa_context_unref(pa_ctx);
pa_mainloop_free(pa_ml);
return 0;
}
break;
default:
// We should never see this state
fprintf(stderr, "in state %d\n", state);
return -1;
}
// Iterate the main loop and go again. The second argument is whether
// or not the iteration should block until something is ready to be
// done. Set it to zero for non-blocking.
pa_mainloop_iterate(pa_ml, 1, NULL);
}
}
int set_active_port(pa_devicelist_t device, pa_portlist_t port) {
pa_mainloop *pa_ml;
pa_mainloop_api *pa_mlapi;
pa_operation *pa_op;
pa_context *pa_ctx;
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, "test");
pa_context_connect(pa_ctx, NULL, 0, NULL);
pa_context_set_state_callback(pa_ctx, pa_state_cb, &pa_ready);
pa_device_port_t dev_port_set;
dev_port_set.device = device;
dev_port_set.port = port;
pa_clientlist_t clientlist[30];
int i = 0;
for (;;) {
// We can't do anything until PA is ready, so just iterate the mainloop
// and continue
if (pa_ready == 0) {
pa_mainloop_iterate(pa_ml, 1, NULL);
continue;
}
// We couldn't get a connection to the server, so exit out
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:
// Set source or sink
switch(device.type) {
case JOAPA_SOURCE:
pa_op = pa_context_set_source_port_by_index(
pa_ctx,
device.index,
port.name,
set_active_port_cb,
&dev_port_set);
break;
case JOAPA_SINK:
pa_op = pa_context_set_sink_port_by_index(
pa_ctx,
device.index,
port.name,
set_active_port_cb,
&dev_port_set);
break;
}
state++;
break;
case 1:
// get clients using a source or sink
if (pa_operation_get_state(pa_op) == PA_OPERATION_DONE) {
pa_operation_unref(pa_op);
switch(device.type) {
case JOAPA_SOURCE:
pa_op = pa_context_get_source_output_info_list(pa_ctx, pa_source_info_cb, &clientlist);
break;
case JOAPA_SINK:
pa_op = pa_context_get_sink_input_info_list(pa_ctx, pa_sink_info_cb, &clientlist);
break;
}
state++;
}
break;
case 2:
// move the clients to the new source or sink
if (pa_operation_get_state(pa_op) == PA_OPERATION_DONE) {
pa_operation_unref(pa_op);
if(!clientlist[i].initialized) {
pa_context_disconnect(pa_ctx);
pa_context_unref(pa_ctx);
pa_mainloop_free(pa_ml);
return 0;
}
//printf("CLIENT: %d\n", clientlist[i].index);
switch(device.type) {
case JOAPA_SOURCE:
pa_op = pa_context_move_source_output_by_index(
pa_ctx,
clientlist[i].index,
device.index,
set_active_port_cb, NULL);
break;
case JOAPA_SINK:
pa_op = pa_context_move_sink_input_by_index(
pa_ctx,
clientlist[i].index,
device.index,
set_active_port_cb, NULL);
break;
}
i++;
}
break;
default:
fprintf(stderr, "in state %d\n", state);
return -1;
}
pa_mainloop_iterate(pa_ml, 1, NULL);
}
}
struct pulse_conn_t *pulse_conn_open(const char *name, amp_audio_f func, void *arg, const struct pulse_conf_t *conf)
{
int err;
unsigned int i;
pthread_attr_t attr;
struct sched_param param;
struct pulse_conn_t *conn;
conn = malloc(sizeof(struct pulse_conn_t));
conn->quit = 0;
conn->width = (conf->in > conf->out) ? conf->in : conf->out;
conn->lat = conf->rate * (conf->lat / 1000.0f);
conn->conf = *conf;
conn->func = func;
conn->arg = arg;
conn->rd = 0;
conn->wr = conn->lat;
conn->startup = 2;
conn->reset[0] = conn->reset[1] = 1;
conn->nrd = conn->nwr = conf->rate;
//printf("width: %u\n", conn->width);
conn->buf = malloc(conn->width * sizeof(void *));
for(i = 0; i < conn->width; i++)
memset(conn->buf[i] = malloc(2 * conn->lat * sizeof(float)), 0x00, 2 * conn->lat * sizeof(float));
if(pipe(conn->pipe) < 0)
fprintf(stderr, "Cannot create pipe."), exit(1);
conn->loop = pa_mainloop_new();
conn->api = pa_mainloop_get_api(conn->loop);
pa_mainloop_set_poll_func(conn->loop, conn_poll, conn);
conn->context = pa_context_new(conn->api, name);
pa_context_set_state_callback(conn->context, conn_state, conn);
pa_context_connect(conn->context, NULL, 0, NULL);
err = pthread_attr_init(&attr);
if(err != 0)
fprintf(stderr, "Failed to initialize thread attributes. %s.", strerror(err)), exit(1);
err = pthread_attr_setinheritsched(&attr, PTHREAD_EXPLICIT_SCHED);
if(err != 0)
fprintf(stderr, "Failed to set schedular inheritance. %s.", strerror(err)), exit(1);
err = pthread_attr_setschedpolicy(&attr, SCHED_FIFO);
if(err != 0)
fprintf(stderr, "Failed to set schedular policy. %s.", strerror(err)), exit(1);
param.sched_priority = 99;
err = pthread_attr_setschedparam(&attr, ¶m);
if(err != 0)
fprintf(stderr, "Failed to set schedular parameter. %s.", strerror(err)), exit(1);
err = pthread_create(&conn->thread, &attr, conn_thread, conn);
if(err != 0) {
err = pthread_create(&conn->thread, NULL, conn_thread, conn);
if(err != 0)
fprintf(stderr, "Failed to start thread. %s.", strerror(err)), exit(1);
}
pthread_attr_destroy(&attr);
if(err != 0)
fprintf(stderr, "Failed to destroy thread attributes. %s.", strerror(err)), exit(1);
return conn;
}
int main(int argc, char *argv[]) {
pa_mainloop* m = NULL;
int ret = 1, c;
char *bn, *server = NULL;
pa_time_event *time_event = NULL;
const char *filename = NULL;
static const struct option long_options[] = {
{"record", 0, NULL, 'r'},
{"playback", 0, NULL, 'p'},
{"device", 1, NULL, 'd'},
{"server", 1, NULL, 's'},
{"client-name", 1, NULL, 'n'},
{"stream-name", 1, NULL, ARG_STREAM_NAME},
{"version", 0, NULL, ARG_VERSION},
{"help", 0, NULL, 'h'},
{"verbose", 0, NULL, 'v'},
{"volume", 1, NULL, ARG_VOLUME},
{"rate", 1, NULL, ARG_SAMPLERATE},
{"format", 1, NULL, ARG_SAMPLEFORMAT},
{"channels", 1, NULL, ARG_CHANNELS},
{"channel-map", 1, NULL, ARG_CHANNELMAP},
{"fix-format", 0, NULL, ARG_FIX_FORMAT},
{"fix-rate", 0, NULL, ARG_FIX_RATE},
{"fix-channels", 0, NULL, ARG_FIX_CHANNELS},
{"no-remap", 0, NULL, ARG_NO_REMAP},
{"no-remix", 0, NULL, ARG_NO_REMIX},
{"latency", 1, NULL, ARG_LATENCY},
{"process-time", 1, NULL, ARG_PROCESS_TIME},
{"property", 1, NULL, ARG_PROPERTY},
{"raw", 0, NULL, ARG_RAW},
{"file-format", 2, NULL, ARG_FILE_FORMAT},
{"list-file-formats", 0, NULL, ARG_LIST_FILE_FORMATS},
{"latency-msec", 1, NULL, ARG_LATENCY_MSEC},
{"process-time-msec", 1, NULL, ARG_PROCESS_TIME_MSEC},
{NULL, 0, NULL, 0}
};
setlocale(LC_ALL, "");
bindtextdomain(GETTEXT_PACKAGE, PULSE_LOCALEDIR);
bn = pa_path_get_filename(argv[0]);
if (strstr(bn, "play")) {
mode = PLAYBACK;
raw = FALSE;
} else if (strstr(bn, "record")) {
mode = RECORD;
raw = FALSE;
} else if (strstr(bn, "cat")) {
mode = PLAYBACK;
raw = TRUE;
} if (strstr(bn, "rec") || strstr(bn, "mon")) {
mode = RECORD;
raw = TRUE;
}
proplist = pa_proplist_new();
while ((c = getopt_long(argc, argv, "rpd:s:n:hv", long_options, NULL)) != -1) {
switch (c) {
case 'h' :
help(bn);
ret = 0;
goto quit;
case ARG_VERSION:
printf(_("pacat %s\n"
"Compiled with libpulse %s\n"
"Linked with libpulse %s\n"),
PACKAGE_VERSION,
pa_get_headers_version(),
pa_get_library_version());
ret = 0;
goto quit;
case 'r':
mode = RECORD;
break;
case 'p':
mode = PLAYBACK;
break;
case 'd':
pa_xfree(device);
device = pa_xstrdup(optarg);
break;
case 's':
pa_xfree(server);
server = pa_xstrdup(optarg);
break;
case 'n': {
char *t;
if (!(t = pa_locale_to_utf8(optarg)) ||
pa_proplist_sets(proplist, PA_PROP_APPLICATION_NAME, t) < 0) {
pa_log(_("Invalid client name '%s'"), t ? t : optarg);
pa_xfree(t);
goto quit;
}
pa_xfree(t);
break;
}
case ARG_STREAM_NAME: {
char *t;
if (!(t = pa_locale_to_utf8(optarg)) ||
pa_proplist_sets(proplist, PA_PROP_MEDIA_NAME, t) < 0) {
pa_log(_("Invalid stream name '%s'"), t ? t : optarg);
pa_xfree(t);
goto quit;
}
pa_xfree(t);
break;
}
case 'v':
verbose = 1;
break;
case ARG_VOLUME: {
int v = atoi(optarg);
volume = v < 0 ? 0U : (pa_volume_t) v;
volume_is_set = TRUE;
break;
}
case ARG_CHANNELS:
sample_spec.channels = (uint8_t) atoi(optarg);
sample_spec_set = TRUE;
break;
case ARG_SAMPLEFORMAT:
sample_spec.format = pa_parse_sample_format(optarg);
sample_spec_set = TRUE;
break;
case ARG_SAMPLERATE:
sample_spec.rate = (uint32_t) atoi(optarg);
sample_spec_set = TRUE;
break;
case ARG_CHANNELMAP:
if (!pa_channel_map_parse(&channel_map, optarg)) {
pa_log(_("Invalid channel map '%s'"), optarg);
goto quit;
}
channel_map_set = TRUE;
break;
case ARG_FIX_CHANNELS:
flags |= PA_STREAM_FIX_CHANNELS;
break;
case ARG_FIX_RATE:
flags |= PA_STREAM_FIX_RATE;
break;
case ARG_FIX_FORMAT:
flags |= PA_STREAM_FIX_FORMAT;
break;
case ARG_NO_REMIX:
flags |= PA_STREAM_NO_REMIX_CHANNELS;
break;
case ARG_NO_REMAP:
flags |= PA_STREAM_NO_REMAP_CHANNELS;
break;
case ARG_LATENCY:
if (((latency = (size_t) atoi(optarg))) <= 0) {
pa_log(_("Invalid latency specification '%s'"), optarg);
goto quit;
}
break;
case ARG_PROCESS_TIME:
if (((process_time = (size_t) atoi(optarg))) <= 0) {
pa_log(_("Invalid process time specification '%s'"), optarg);
goto quit;
}
break;
case ARG_LATENCY_MSEC:
if (((latency_msec = (int32_t) atoi(optarg))) <= 0) {
pa_log(_("Invalid latency specification '%s'"), optarg);
goto quit;
}
break;
case ARG_PROCESS_TIME_MSEC:
if (((process_time_msec = (int32_t) atoi(optarg))) <= 0) {
pa_log(_("Invalid process time specification '%s'"), optarg);
goto quit;
}
break;
case ARG_PROPERTY: {
char *t;
if (!(t = pa_locale_to_utf8(optarg)) ||
pa_proplist_setp(proplist, t) < 0) {
pa_xfree(t);
pa_log(_("Invalid property '%s'"), optarg);
goto quit;
}
pa_xfree(t);
break;
}
case ARG_RAW:
raw = TRUE;
break;
case ARG_FILE_FORMAT:
raw = FALSE;
if (optarg) {
if ((file_format = pa_sndfile_format_from_string(optarg)) < 0) {
pa_log(_("Unknown file format %s."), optarg);
goto quit;
}
}
raw = FALSE;
break;
case ARG_LIST_FILE_FORMATS:
pa_sndfile_dump_formats();
ret = 0;
goto quit;
default:
goto quit;
}
}
if (!pa_sample_spec_valid(&sample_spec)) {
pa_log(_("Invalid sample specification"));
goto quit;
}
if (optind+1 == argc) {
int fd;
filename = argv[optind];
if ((fd = open(argv[optind], mode == PLAYBACK ? O_RDONLY : O_WRONLY|O_TRUNC|O_CREAT, 0666)) < 0) {
pa_log(_("open(): %s"), strerror(errno));
goto quit;
}
if (dup2(fd, mode == PLAYBACK ? STDIN_FILENO : STDOUT_FILENO) < 0) {
pa_log(_("dup2(): %s"), strerror(errno));
goto quit;
}
pa_close(fd);
} else if (optind+1 <= argc) {
pa_log(_("Too many arguments."));
goto quit;
}
if (!raw) {
SF_INFO sfi;
pa_zero(sfi);
if (mode == RECORD) {
/* This might patch up the sample spec */
if (pa_sndfile_write_sample_spec(&sfi, &sample_spec) < 0) {
pa_log(_("Failed to generate sample specification for file."));
goto quit;
}
/* Transparently upgrade classic .wav to wavex for multichannel audio */
if (file_format <= 0) {
if ((sample_spec.channels == 2 && (!channel_map_set || (channel_map.map[0] == PA_CHANNEL_POSITION_LEFT &&
channel_map.map[1] == PA_CHANNEL_POSITION_RIGHT))) ||
(sample_spec.channels == 1 && (!channel_map_set || (channel_map.map[0] == PA_CHANNEL_POSITION_MONO))))
file_format = SF_FORMAT_WAV;
else
file_format = SF_FORMAT_WAVEX;
}
sfi.format |= file_format;
}
if (!(sndfile = sf_open_fd(mode == RECORD ? STDOUT_FILENO : STDIN_FILENO,
mode == RECORD ? SFM_WRITE : SFM_READ,
&sfi, 0))) {
pa_log(_("Failed to open audio file."));
goto quit;
}
if (mode == PLAYBACK) {
if (sample_spec_set)
pa_log(_("Warning: specified sample specification will be overwritten with specification from file."));
if (pa_sndfile_read_sample_spec(sndfile, &sample_spec) < 0) {
pa_log(_("Failed to determine sample specification from file."));
goto quit;
}
sample_spec_set = TRUE;
if (!channel_map_set) {
/* Allow the user to overwrite the channel map on the command line */
if (pa_sndfile_read_channel_map(sndfile, &channel_map) < 0) {
if (sample_spec.channels > 2)
pa_log(_("Warning: Failed to determine channel map from file."));
} else
channel_map_set = TRUE;
}
}
}
if (!channel_map_set)
pa_channel_map_init_extend(&channel_map, sample_spec.channels, PA_CHANNEL_MAP_DEFAULT);
if (!pa_channel_map_compatible(&channel_map, &sample_spec)) {
pa_log(_("Channel map doesn't match sample specification"));
goto quit;
}
if (!raw) {
pa_proplist *sfp;
if (mode == PLAYBACK)
readf_function = pa_sndfile_readf_function(&sample_spec);
else {
if (pa_sndfile_write_channel_map(sndfile, &channel_map) < 0)
pa_log(_("Warning: failed to write channel map to file."));
writef_function = pa_sndfile_writef_function(&sample_spec);
}
/* Fill in libsndfile prop list data */
sfp = pa_proplist_new();
pa_sndfile_init_proplist(sndfile, sfp);
pa_proplist_update(proplist, PA_UPDATE_MERGE, sfp);
pa_proplist_free(sfp);
}
if (verbose) {
char tss[PA_SAMPLE_SPEC_SNPRINT_MAX], tcm[PA_CHANNEL_MAP_SNPRINT_MAX];
pa_log(_("Opening a %s stream with sample specification '%s' and channel map '%s'."),
mode == RECORD ? _("recording") : _("playback"),
pa_sample_spec_snprint(tss, sizeof(tss), &sample_spec),
pa_channel_map_snprint(tcm, sizeof(tcm), &channel_map));
}
/* Fill in client name if none was set */
if (!pa_proplist_contains(proplist, PA_PROP_APPLICATION_NAME)) {
char *t;
if ((t = pa_locale_to_utf8(bn))) {
pa_proplist_sets(proplist, PA_PROP_APPLICATION_NAME, t);
pa_xfree(t);
}
}
/* Fill in media name if none was set */
if (!pa_proplist_contains(proplist, PA_PROP_MEDIA_NAME)) {
const char *t;
if ((t = filename) ||
(t = pa_proplist_gets(proplist, PA_PROP_APPLICATION_NAME)))
pa_proplist_sets(proplist, PA_PROP_MEDIA_NAME, t);
}
/* Set up a new main loop */
if (!(m = pa_mainloop_new())) {
pa_log(_("pa_mainloop_new() failed."));
goto quit;
}
mainloop_api = pa_mainloop_get_api(m);
pa_assert_se(pa_signal_init(mainloop_api) == 0);
pa_signal_new(SIGINT, exit_signal_callback, NULL);
pa_signal_new(SIGTERM, exit_signal_callback, NULL);
#ifdef SIGUSR1
pa_signal_new(SIGUSR1, sigusr1_signal_callback, NULL);
#endif
pa_disable_sigpipe();
if (raw) {
if (!(stdio_event = mainloop_api->io_new(mainloop_api,
mode == PLAYBACK ? STDIN_FILENO : STDOUT_FILENO,
mode == PLAYBACK ? PA_IO_EVENT_INPUT : PA_IO_EVENT_OUTPUT,
mode == PLAYBACK ? stdin_callback : stdout_callback, NULL))) {
pa_log(_("io_new() failed."));
goto quit;
}
}
/* Create a new connection context */
if (!(context = pa_context_new_with_proplist(mainloop_api, NULL, proplist))) {
pa_log(_("pa_context_new() failed."));
goto quit;
}
pa_context_set_state_callback(context, context_state_callback, NULL);
/* Connect the context */
if (pa_context_connect(context, server, 0, NULL) < 0) {
pa_log(_("pa_context_connect() failed: %s"), pa_strerror(pa_context_errno(context)));
goto quit;
}
if (verbose) {
if (!(time_event = pa_context_rttime_new(context, pa_rtclock_now() + TIME_EVENT_USEC, time_event_callback, NULL))) {
pa_log(_("pa_context_rttime_new() failed."));
goto quit;
}
}
/* Run the main loop */
if (pa_mainloop_run(m, &ret) < 0) {
pa_log(_("pa_mainloop_run() failed."));
goto quit;
}
quit:
if (stream)
pa_stream_unref(stream);
if (context)
pa_context_unref(context);
if (stdio_event) {
pa_assert(mainloop_api);
mainloop_api->io_free(stdio_event);
}
if (time_event) {
pa_assert(mainloop_api);
mainloop_api->time_free(time_event);
}
if (m) {
pa_signal_done();
pa_mainloop_free(m);
}
pa_xfree(buffer);
pa_xfree(server);
pa_xfree(device);
if (sndfile)
sf_close(sndfile);
if (proplist)
pa_proplist_free(proplist);
return ret;
}
int PulseAudioDriver::setup(bool capture, bool playback, const QString& )
{
PENTER;
sample_spec.rate = frame_rate;
sample_spec.channels = 2;
sample_spec.format = PA_SAMPLE_FLOAT32NE;
assert(pa_sample_spec_valid(&sample_spec));
if (channel_map_set && channel_map.channels != sample_spec.channels) {
fprintf(stderr, "Channel map doesn't match file.\n");
return -1;
}
/* Set up a new main loop */
if (!(mainloop = pa_mainloop_new())) {
fprintf(stderr, "pa_mainloop_new() failed.\n");
return -1;
}
mainloop_api = pa_mainloop_get_api(mainloop);
int r = pa_signal_init(mainloop_api);
assert(r == 0);
/* Create a new connection context */
if (!(context = pa_context_new(mainloop_api, "Traverso"))) {
fprintf(stderr, "pa_context_new() failed.\n");
return -1;
}
pa_context_set_state_callback(context, context_state_callback, this);
/* Connect the context */
pa_context_connect(context, "", (pa_context_flags_t)0, NULL);
int ret;
/* Run the main loop */
// if (pa_mainloop_run(mainloop, &ret) < 0) {
// fprintf(stderr, "pa_mainloop_run() failed.\n");
// return -1;
// }
AudioChannel* audiochannel;
int port_flags;
char buf[32];
// TODO use the found maxchannel count for the playback stream, instead of assuming 2 !!
for (int chn = 0; chn < 2; chn++) {
snprintf (buf, sizeof(buf) - 1, "playback_%d", chn+1);
audiochannel = device->register_playback_channel(buf, "32 bit float audio", port_flags, frames_per_cycle, chn);
audiochannel->set_latency( frames_per_cycle + capture_frame_latency );
playbackChannels.append(audiochannel);
}
// TODO use the found maxchannel count for the capture stream, instead of assuming 0 !!
for (int chn = 0; chn < 2; chn++) {
snprintf (buf, sizeof(buf) - 1, "capture_%d", chn+1);
audiochannel = device->register_capture_channel(buf, "32 bit float audio", port_flags, frames_per_cycle, chn);
audiochannel->set_latency( frames_per_cycle + capture_frame_latency );
captureChannels.append(audiochannel);
}
return 1;
}
