int main(int, char **)
{
const char *headers = pa_get_headers_version();
const char *library = pa_get_library_version();
pa_glib_mainloop_new(0);
return (headers - library) * 0;
}
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;
}
JNIEXPORT jstring JNICALL
Java_org_jitsi_impl_neomedia_pulseaudio_PA_get_1library_1version
(JNIEnv *env, jclass clazz)
{
const char *chars = pa_get_library_version();
return chars ? (*env)->NewStringUTF(env, chars) : NULL;
}
void WaveOutPulseAudio::getAudioDevices(AudioDevices &pAList)
{
// This is where we'll store the input device list
PulseAudioDeviceDescriptor tInputDevicesList[MAX_PULSEAUDIO_DEVICES_IN_LIST];
// This is where we'll store the output device list
PulseAudioDeviceDescriptor tOutputDevicesList[MAX_PULSEAUDIO_DEVICES_IN_LIST];
if (MediaSourcePulseAudio::GetPulseAudioDevices(tInputDevicesList, tOutputDevicesList) < 0)
LOG(LOG_ERROR, "Couldn't determine the available PulseAudio devices");
static bool tFirstCall = true;
AudioDeviceDescriptor tDevice;
#ifdef WOPUA_DEBUG_PACKETS
tFirstCall = true;
#endif
if (tFirstCall)
{
LOG(LOG_VERBOSE, "Enumerating hardware..");
LOG(LOG_VERBOSE, "PulseAudio version \"%s\"(%d.%d.%d)", pa_get_library_version(), PA_MAJOR, PA_MINOR, PA_MICRO);
}
tDevice.Name = "auto";
tDevice.Card = "";
tDevice.Desc = "automatic device selection";
tDevice.IoType = "Output";
pAList.push_back(tDevice);
for (int i = 0; i < MAX_PULSEAUDIO_DEVICES_IN_LIST; i++)
{
if (!tOutputDevicesList[i].Initialized)
break;
tDevice.Name = string(tOutputDevicesList[i].Description);
tDevice.Card = string(tOutputDevicesList[i].Name);
tDevice.Desc = "PulseAudio based audio device";
tDevice.IoType = "Output";
pAList.push_back(tDevice);
if (tFirstCall)
{
LOG(LOG_VERBOSE, "Output device %d..", i);
LOG(LOG_VERBOSE, "..name: \"%s\"", tDevice.Name.c_str());
LOG(LOG_VERBOSE, "..card: \"%s\"", tDevice.Card.c_str());
LOG(LOG_VERBOSE, "..description: \"%s\"", tDevice.Desc.c_str());
}
}
tFirstCall = false;
}
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;
}
static int init(struct ao *ao, char *params)
{
struct pa_sample_spec ss;
struct pa_channel_map map;
char *devarg = NULL;
char *host = NULL;
char *sink = NULL;
const char *version = pa_get_library_version();
struct priv *priv = talloc_zero(ao, struct priv);
ao->priv = priv;
if (params) {
devarg = strdup(params);
sink = strchr(devarg, ':');
if (sink)
*sink++ = 0;
if (devarg[0])
host = devarg;
}
priv->broken_pause = false;
/* not sure which versions are affected, assume 0.9.11* to 0.9.14*
* known bad: 0.9.14, 0.9.13
* known good: 0.9.9, 0.9.10, 0.9.15
* To test: pause, wait ca. 5 seconds, framestep and see if MPlayer
* hangs somewhen. */
if (strncmp(version, "0.9.1", 5) == 0 && version[5] >= '1'
&& version[5] <= '4') {
mp_msg(MSGT_AO, MSGL_WARN,
"[pulse] working around probably broken pause functionality,\n"
" see http://www.pulseaudio.org/ticket/440\n");
priv->broken_pause = true;
}
ss.channels = ao->channels;
ss.rate = ao->samplerate;
const struct format_map *fmt_map = format_maps;
while (fmt_map->mp_format != ao->format) {
if (fmt_map->mp_format == AF_FORMAT_UNKNOWN) {
mp_msg(MSGT_AO, MSGL_V,
"AO: [pulse] Unsupported format, using default\n");
fmt_map = format_maps;
break;
}
fmt_map++;
}
ao->format = fmt_map->mp_format;
ss.format = fmt_map->pa_format;
if (!pa_sample_spec_valid(&ss)) {
mp_msg(MSGT_AO, MSGL_ERR, "AO: [pulse] Invalid sample spec\n");
goto fail;
}
pa_channel_map_init_auto(&map, ss.channels, PA_CHANNEL_MAP_ALSA);
ao->bps = pa_bytes_per_second(&ss);
if (!(priv->mainloop = pa_threaded_mainloop_new())) {
mp_msg(MSGT_AO, MSGL_ERR, "AO: [pulse] Failed to allocate main loop\n");
goto fail;
}
if (!(priv->context = pa_context_new(pa_threaded_mainloop_get_api(
priv->mainloop), PULSE_CLIENT_NAME))) {
mp_msg(MSGT_AO, MSGL_ERR, "AO: [pulse] Failed to allocate context\n");
goto fail;
}
pa_context_set_state_callback(priv->context, context_state_cb, ao);
if (pa_context_connect(priv->context, host, 0, NULL) < 0)
goto fail;
pa_threaded_mainloop_lock(priv->mainloop);
if (pa_threaded_mainloop_start(priv->mainloop) < 0)
goto unlock_and_fail;
/* Wait until the context is ready */
pa_threaded_mainloop_wait(priv->mainloop);
if (pa_context_get_state(priv->context) != PA_CONTEXT_READY)
goto unlock_and_fail;
if (!(priv->stream = pa_stream_new(priv->context, "audio stream", &ss,
&map)))
goto unlock_and_fail;
pa_stream_set_state_callback(priv->stream, stream_state_cb, ao);
pa_stream_set_write_callback(priv->stream, stream_request_cb, ao);
pa_stream_set_latency_update_callback(priv->stream,
stream_latency_update_cb, ao);
pa_buffer_attr bufattr = {
.maxlength = -1,
.tlength = pa_usec_to_bytes(1000000, &ss),
.prebuf = -1,
.minreq = -1,
.fragsize = -1,
};
if (pa_stream_connect_playback(priv->stream, sink, &bufattr,
PA_STREAM_INTERPOLATE_TIMING
| PA_STREAM_AUTO_TIMING_UPDATE, NULL,
NULL) < 0)
goto unlock_and_fail;
/* Wait until the stream is ready */
pa_threaded_mainloop_wait(priv->mainloop);
if (pa_stream_get_state(priv->stream) != PA_STREAM_READY)
goto unlock_and_fail;
pa_threaded_mainloop_unlock(priv->mainloop);
free(devarg);
return 0;
unlock_and_fail:
if (priv->mainloop)
pa_threaded_mainloop_unlock(priv->mainloop);
fail:
if (priv->context)
GENERIC_ERR_MSG(priv->context, "Init failed");
free(devarg);
uninit(ao, true);
return -1;
}
static void cork(struct ao *ao, bool pause)
{
struct priv *priv = ao->priv;
pa_threaded_mainloop_lock(priv->mainloop);
priv->retval = 0;
if (!waitop(priv, pa_stream_cork(priv->stream, pause, success_cb, ao)) ||
!priv->retval)
GENERIC_ERR_MSG(priv->context, "pa_stream_cork() failed");
}
// Play the specified data to the pulseaudio server
static int play(struct ao *ao, void *data, int len, int flags)
{
struct priv *priv = ao->priv;
/* For some reason Pulseaudio behaves worse if this is done after
* the write - rapidly repeated seeks result in bogus increasing
* reported latency. */
if (priv->did_reset)
cork(ao, false);
pa_threaded_mainloop_lock(priv->mainloop);
if (pa_stream_write(priv->stream, data, len, NULL, 0,
PA_SEEK_RELATIVE) < 0) {
GENERIC_ERR_MSG(priv->context, "pa_stream_write() failed");
len = -1;
}
if (priv->did_reset) {
priv->did_reset = false;
if (!waitop(priv, pa_stream_update_timing_info(priv->stream,
success_cb, ao))
|| !priv->retval)
GENERIC_ERR_MSG(priv->context, "pa_stream_UPP() failed");
} else
pa_threaded_mainloop_unlock(priv->mainloop);
return len;
}
// Reset the audio stream, i.e. flush the playback buffer on the server side
static void reset(struct ao *ao)
{
// pa_stream_flush() works badly if not corked
cork(ao, true);
struct priv *priv = ao->priv;
pa_threaded_mainloop_lock(priv->mainloop);
priv->retval = 0;
if (!waitop(priv, pa_stream_flush(priv->stream, success_cb, ao)) ||
!priv->retval)
GENERIC_ERR_MSG(priv->context, "pa_stream_flush() failed");
priv->did_reset = true;
}
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;
}
/**
* Initializes the PulseAudio main loop and connects to the PulseAudio server.
* @return a PulseAudio context on success, or NULL on error
*/
pa_context *vlc_pa_connect (vlc_object_t *obj, pa_threaded_mainloop **mlp)
{
msg_Dbg (obj, "using library version %s", pa_get_library_version ());
msg_Dbg (obj, " (compiled with version %s, protocol %u)",
pa_get_headers_version (), PA_PROTOCOL_VERSION);
/* Initialize main loop */
pa_threaded_mainloop *mainloop = pa_threaded_mainloop_new ();
if (unlikely(mainloop == NULL))
return NULL;
if (pa_threaded_mainloop_start (mainloop) < 0)
{
pa_threaded_mainloop_free (mainloop);
return NULL;
}
/* Fill in context (client) properties */
char *ua = var_InheritString (obj, "user-agent");
pa_proplist *props = pa_proplist_new ();
if (likely(props != NULL))
{
pa_proplist_sets (props, PA_PROP_APPLICATION_NAME, ua);
pa_proplist_sets (props, PA_PROP_APPLICATION_ID, "org.VideoLAN.VLC");
pa_proplist_sets (props, PA_PROP_APPLICATION_VERSION, PACKAGE_VERSION);
pa_proplist_sets (props, PA_PROP_APPLICATION_ICON_NAME, PACKAGE_NAME);
//pa_proplist_sets (props, PA_PROP_APPLICATION_LANGUAGE, _("C"));
pa_proplist_sets (props, PA_PROP_APPLICATION_LANGUAGE,
setlocale (LC_MESSAGES, NULL));
pa_proplist_setf (props, PA_PROP_APPLICATION_PROCESS_ID, "%lu",
(unsigned long) getpid ());
//pa_proplist_sets (props, PA_PROP_APPLICATION_PROCESS_BINARY,
// PACKAGE_NAME);
for (size_t max = sysconf (_SC_GETPW_R_SIZE_MAX), len = max % 1024 + 1024;
len < max; len += 1024)
{
struct passwd pwbuf, *pw;
char buf[len];
if (getpwuid_r (getuid (), &pwbuf, buf, sizeof (buf), &pw) == 0
&& pw != NULL)
pa_proplist_sets (props, PA_PROP_APPLICATION_PROCESS_USER,
pw->pw_name);
}
for (size_t max = sysconf (_SC_HOST_NAME_MAX), len = max % 1024 + 1024;
len < max; len += 1024)
{
char hostname[len];
if (gethostname (hostname, sizeof (hostname)) == 0)
pa_proplist_sets (props, PA_PROP_APPLICATION_PROCESS_HOST,
hostname);
}
const char *session = getenv ("XDG_SESSION_COOKIE");
if (session != NULL)
{
pa_proplist_setf (props, PA_PROP_APPLICATION_PROCESS_MACHINE_ID,
"%.32s", session); /* XXX: is this valid? */
pa_proplist_sets (props, PA_PROP_APPLICATION_PROCESS_SESSION_ID,
session);
}
}
/* Connect to PulseAudio daemon */
pa_context *ctx;
pa_mainloop_api *api;
pa_threaded_mainloop_lock (mainloop);
api = pa_threaded_mainloop_get_api (mainloop);
ctx = pa_context_new_with_proplist (api, ua, props);
free (ua);
if (props != NULL)
pa_proplist_free (props);
if (unlikely(ctx == NULL))
goto fail;
pa_context_set_state_callback (ctx, context_state_cb, mainloop);
if (pa_context_connect (ctx, NULL, 0, NULL) < 0
|| context_wait (ctx, mainloop))
{
vlc_pa_error (obj, "PulseAudio server connection failure", ctx);
pa_context_unref (ctx);
goto fail;
}
msg_Dbg (obj, "connected %s to %s as client #%"PRIu32,
pa_context_is_local (ctx) ? "locally" : "remotely",
pa_context_get_server (ctx), pa_context_get_index (ctx));
msg_Dbg (obj, "using protocol %"PRIu32", server protocol %"PRIu32,
pa_context_get_protocol_version (ctx),
pa_context_get_server_protocol_version (ctx));
pa_threaded_mainloop_unlock (mainloop);
*mlp = mainloop;
return ctx;
fail:
pa_threaded_mainloop_unlock (mainloop);
pa_threaded_mainloop_stop (mainloop);
pa_threaded_mainloop_free (mainloop);
return NULL;
}
static int init(struct ao *ao)
{
struct pa_sample_spec ss;
struct pa_channel_map map;
pa_proplist *proplist = NULL;
struct priv *priv = ao->priv;
char *host = priv->cfg_host && priv->cfg_host[0] ? priv->cfg_host : NULL;
char *sink = priv->cfg_sink && priv->cfg_sink[0] ? priv->cfg_sink : NULL;
const char *version = pa_get_library_version();
ao->per_application_mixer = true;
priv->broken_pause = false;
/* not sure which versions are affected, assume 0.9.11* to 0.9.14*
* known bad: 0.9.14, 0.9.13
* known good: 0.9.9, 0.9.10, 0.9.15
* To test: pause, wait ca. 5 seconds, framestep and see if MPlayer
* hangs somewhen. */
if (strncmp(version, "0.9.1", 5) == 0 && version[5] >= '1'
&& version[5] <= '4') {
MP_WARN(ao, "working around probably broken pause functionality,\n"
" see http://www.pulseaudio.org/ticket/440\n");
priv->broken_pause = true;
}
if (!(priv->mainloop = pa_threaded_mainloop_new())) {
MP_ERR(ao, "Failed to allocate main loop\n");
goto fail;
}
if (!(priv->context = pa_context_new(pa_threaded_mainloop_get_api(
priv->mainloop), PULSE_CLIENT_NAME))) {
MP_ERR(ao, "Failed to allocate context\n");
goto fail;
}
pa_context_set_state_callback(priv->context, context_state_cb, ao);
if (pa_context_connect(priv->context, host, 0, NULL) < 0)
goto fail;
pa_threaded_mainloop_lock(priv->mainloop);
if (pa_threaded_mainloop_start(priv->mainloop) < 0)
goto unlock_and_fail;
/* Wait until the context is ready */
pa_threaded_mainloop_wait(priv->mainloop);
if (pa_context_get_state(priv->context) != PA_CONTEXT_READY)
goto unlock_and_fail;
ss.channels = ao->channels.num;
ss.rate = ao->samplerate;
ao->format = af_fmt_from_planar(ao->format);
const struct format_map *fmt_map = format_maps;
while (fmt_map->mp_format != ao->format) {
if (fmt_map->mp_format == AF_FORMAT_UNKNOWN) {
MP_VERBOSE(ao, "Unsupported format, using default\n");
fmt_map = format_maps;
break;
}
fmt_map++;
}
ao->format = fmt_map->mp_format;
ss.format = fmt_map->pa_format;
if (!pa_sample_spec_valid(&ss)) {
MP_ERR(ao, "Invalid sample spec\n");
goto unlock_and_fail;
}
if (!select_chmap(ao, &map))
goto unlock_and_fail;
if (!(proplist = pa_proplist_new())) {
MP_ERR(ao, "Failed to allocate proplist\n");
goto unlock_and_fail;
}
(void)pa_proplist_sets(proplist, PA_PROP_MEDIA_ROLE, "video");
if (!(priv->stream = pa_stream_new_with_proplist(priv->context,
"audio stream", &ss,
&map, proplist)))
goto unlock_and_fail;
pa_proplist_free(proplist);
proplist = NULL;
pa_stream_set_state_callback(priv->stream, stream_state_cb, ao);
pa_stream_set_write_callback(priv->stream, stream_request_cb, ao);
pa_stream_set_latency_update_callback(priv->stream,
stream_latency_update_cb, ao);
pa_buffer_attr bufattr = {
.maxlength = -1,
.tlength = pa_usec_to_bytes(1000000, &ss),
.prebuf = -1,
.minreq = -1,
.fragsize = -1,
};
if (pa_stream_connect_playback(priv->stream, sink, &bufattr,
PA_STREAM_NOT_MONOTONIC, NULL, NULL) < 0)
goto unlock_and_fail;
/* Wait until the stream is ready */
pa_threaded_mainloop_wait(priv->mainloop);
if (pa_stream_get_state(priv->stream) != PA_STREAM_READY)
goto unlock_and_fail;
pa_threaded_mainloop_unlock(priv->mainloop);
return 0;
unlock_and_fail:
if (priv->mainloop)
pa_threaded_mainloop_unlock(priv->mainloop);
fail:
if (priv->context) {
if (!(pa_context_errno(priv->context) == PA_ERR_CONNECTIONREFUSED
&& ao->probing))
GENERIC_ERR_MSG("Init failed");
}
if (proplist)
pa_proplist_free(proplist);
uninit(ao, true);
return -1;
}
static void cork(struct ao *ao, bool pause)
{
struct priv *priv = ao->priv;
pa_threaded_mainloop_lock(priv->mainloop);
priv->retval = 0;
if (!waitop(priv, pa_stream_cork(priv->stream, pause, success_cb, ao)) ||
!priv->retval)
GENERIC_ERR_MSG("pa_stream_cork() failed");
}
// Play the specified data to the pulseaudio server
static int play(struct ao *ao, void **data, int samples, int flags)
{
struct priv *priv = ao->priv;
pa_threaded_mainloop_lock(priv->mainloop);
if (pa_stream_write(priv->stream, data[0], samples * ao->sstride, NULL, 0,
PA_SEEK_RELATIVE) < 0) {
GENERIC_ERR_MSG("pa_stream_write() failed");
samples = -1;
}
if (flags & AOPLAY_FINAL_CHUNK) {
// Force start in case the stream was too short for prebuf
pa_operation *op = pa_stream_trigger(priv->stream, NULL, NULL);
pa_operation_unref(op);
}
pa_threaded_mainloop_unlock(priv->mainloop);
return samples;
}
// Reset the audio stream, i.e. flush the playback buffer on the server side
static void reset(struct ao *ao)
{
// pa_stream_flush() works badly if not corked
cork(ao, true);
struct priv *priv = ao->priv;
pa_threaded_mainloop_lock(priv->mainloop);
priv->retval = 0;
if (!waitop(priv, pa_stream_flush(priv->stream, success_cb, ao)) ||
!priv->retval)
GENERIC_ERR_MSG("pa_stream_flush() failed");
cork(ao, false);
}
static int pa_init_boilerplate(struct ao *ao)
{
struct priv *priv = ao->priv;
char *host = priv->cfg_host && priv->cfg_host[0] ? priv->cfg_host : NULL;
bool locked = false;
pthread_mutex_init(&priv->wakeup_lock, NULL);
pthread_cond_init(&priv->wakeup, NULL);
if (!(priv->mainloop = pa_threaded_mainloop_new())) {
MP_ERR(ao, "Failed to allocate main loop\n");
goto fail;
}
if (pa_threaded_mainloop_start(priv->mainloop) < 0)
goto fail;
pa_threaded_mainloop_lock(priv->mainloop);
locked = true;
if (!(priv->context = pa_context_new(pa_threaded_mainloop_get_api(
priv->mainloop), ao->client_name)))
{
MP_ERR(ao, "Failed to allocate context\n");
goto fail;
}
MP_VERBOSE(ao, "Library version: %s\n", pa_get_library_version());
MP_VERBOSE(ao, "Proto: %lu\n",
(long)pa_context_get_protocol_version(priv->context));
MP_VERBOSE(ao, "Server proto: %lu\n",
(long)pa_context_get_server_protocol_version(priv->context));
pa_context_set_state_callback(priv->context, context_state_cb, ao);
pa_context_set_subscribe_callback(priv->context, subscribe_cb, ao);
if (pa_context_connect(priv->context, host, 0, NULL) < 0)
goto fail;
/* Wait until the context is ready */
while (1) {
int state = pa_context_get_state(priv->context);
if (state == PA_CONTEXT_READY)
break;
if (!PA_CONTEXT_IS_GOOD(state))
goto fail;
pa_threaded_mainloop_wait(priv->mainloop);
}
pa_threaded_mainloop_unlock(priv->mainloop);
return 0;
fail:
if (locked)
pa_threaded_mainloop_unlock(priv->mainloop);
if (priv->context) {
pa_threaded_mainloop_lock(priv->mainloop);
if (!(pa_context_errno(priv->context) == PA_ERR_CONNECTIONREFUSED
&& ao->probing))
GENERIC_ERR_MSG("Init failed");
pa_threaded_mainloop_unlock(priv->mainloop);
}
uninit(ao);
return -1;
}
int main(int argc, char*argv[]) {
pid_t pid;
int fd = -1;
int ret = 1, i;
struct sockaddr_un sa;
char *ibuf = NULL;
char *obuf = NULL;
size_t buf_size, ibuf_size, ibuf_index, ibuf_length, obuf_size, obuf_index, obuf_length;
char *cli;
bool ibuf_eof, obuf_eof, ibuf_closed, obuf_closed;
struct pollfd pollfd[3];
struct pollfd *watch_socket, *watch_stdin, *watch_stdout;
int stdin_type = 0, stdout_type = 0, fd_type = 0;
char *bn = NULL;
int c;
static const struct option long_options[] = {
{"version", 0, NULL, ARG_VERSION},
{"help", 0, NULL, 'h'},
{NULL, 0, NULL, 0}
};
setlocale(LC_ALL, "");
#ifdef ENABLE_NLS
bindtextdomain(GETTEXT_PACKAGE, PULSE_LOCALEDIR);
#endif
bn = pa_path_get_filename(argv[0]);
while ((c = getopt_long(argc, argv, "h", long_options, NULL)) != -1) {
switch (c) {
case 'h' :
help(bn);
ret = 0;
goto quit;
case ARG_VERSION:
printf(_("pacmd %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;
default:
goto quit;
}
}
if (pa_pid_file_check_running(&pid, "pulseaudio") < 0) {
pa_log(_("No PulseAudio daemon running, or not running as session daemon."));
goto quit;
}
if ((fd = pa_socket_cloexec(PF_UNIX, SOCK_STREAM, 0)) < 0) {
pa_log(_("socket(PF_UNIX, SOCK_STREAM, 0): %s"), strerror(errno));
goto quit;
}
pa_zero(sa);
sa.sun_family = AF_UNIX;
if (!(cli = pa_runtime_path("cli")))
goto quit;
pa_strlcpy(sa.sun_path, cli, sizeof(sa.sun_path));
pa_xfree(cli);
for (i = 0; i < 5; i++) {
int r;
if ((r = connect(fd, (struct sockaddr*) &sa, sizeof(sa))) < 0 && (errno != ECONNREFUSED && errno != ENOENT)) {
pa_log(_("connect(): %s"), strerror(errno));
goto quit;
}
if (r >= 0)
break;
if (pa_pid_file_kill(SIGUSR2, NULL, "pulseaudio") < 0) {
pa_log(_("Failed to kill PulseAudio daemon."));
goto quit;
}
pa_msleep(300);
}
if (i >= 5) {
pa_log(_("Daemon not responding."));
goto quit;
}
buf_size = pa_pipe_buf(fd);
ibuf_size = PA_MIN(buf_size, pa_pipe_buf(STDIN_FILENO));
ibuf = pa_xmalloc(ibuf_size);
obuf_size = PA_MIN(buf_size, pa_pipe_buf(STDOUT_FILENO));
obuf = pa_xmalloc(obuf_size);
ibuf_index = ibuf_length = obuf_index = obuf_length = 0;
ibuf_eof = obuf_eof = ibuf_closed = obuf_closed = false;
if (argc > 1) {
for (i = 1; i < argc; i++) {
size_t k;
k = PA_MIN(ibuf_size - ibuf_length, strlen(argv[i]));
memcpy(ibuf + ibuf_length, argv[i], k);
ibuf_length += k;
if (ibuf_length < ibuf_size) {
ibuf[ibuf_length] = i < argc-1 ? ' ' : '\n';
ibuf_length++;
}
}
ibuf_eof = true;
}
if (!ibuf_eof && isatty(STDIN_FILENO)) {
/* send hello to enable interactive mode (welcome message, prompt) */
if (pa_write(fd, "hello\n", 6, &fd_type) < 0) {
pa_log(_("write(): %s"), strerror(errno));
goto quit;
}
}
for (;;) {
struct pollfd *p;
if (ibuf_eof &&
obuf_eof &&
ibuf_length <= 0 &&
obuf_length <= 0)
break;
if (ibuf_length <= 0 && ibuf_eof && !ibuf_closed) {
shutdown(fd, SHUT_WR);
ibuf_closed = true;
}
if (obuf_length <= 0 && obuf_eof && !obuf_closed) {
shutdown(fd, SHUT_RD);
obuf_closed = true;
}
pa_zero(pollfd);
p = pollfd;
if (ibuf_length > 0 || (!obuf_eof && obuf_length <= 0)) {
watch_socket = p++;
watch_socket->fd = fd;
watch_socket->events =
(ibuf_length > 0 ? POLLOUT : 0) |
(!obuf_eof && obuf_length <= 0 ? POLLIN : 0);
} else
watch_socket = NULL;
if (!ibuf_eof && ibuf_length <= 0) {
watch_stdin = p++;
watch_stdin->fd = STDIN_FILENO;
watch_stdin->events = POLLIN;
} else
watch_stdin = NULL;
if (obuf_length > 0) {
watch_stdout = p++;
watch_stdout->fd = STDOUT_FILENO;
watch_stdout->events = POLLOUT;
} else
watch_stdout = NULL;
if (pa_poll(pollfd, p-pollfd, -1) < 0) {
if (errno == EINTR)
continue;
pa_log(_("poll(): %s"), strerror(errno));
goto quit;
}
if (watch_stdin) {
if (watch_stdin->revents & POLLIN) {
ssize_t r;
pa_assert(ibuf_length <= 0);
if ((r = pa_read(STDIN_FILENO, ibuf, ibuf_size, &stdin_type)) <= 0) {
if (r < 0) {
pa_log(_("read(): %s"), strerror(errno));
goto quit;
}
ibuf_eof = true;
} else {
ibuf_length = (size_t) r;
ibuf_index = 0;
}
} else if (watch_stdin->revents & POLLHUP)
ibuf_eof = true;
}
if (watch_socket) {
if (watch_socket->revents & POLLIN) {
ssize_t r;
pa_assert(obuf_length <= 0);
if ((r = pa_read(fd, obuf, obuf_size, &fd_type)) <= 0) {
if (r < 0) {
pa_log(_("read(): %s"), strerror(errno));
goto quit;
}
obuf_eof = true;
} else {
obuf_length = (size_t) r;
obuf_index = 0;
}
} else if (watch_socket->revents & POLLHUP)
obuf_eof = true;
}
if (watch_stdout) {
if (watch_stdout->revents & POLLHUP) {
obuf_eof = true;
obuf_length = 0;
} else if (watch_stdout->revents & POLLOUT) {
ssize_t r;
pa_assert(obuf_length > 0);
if ((r = pa_write(STDOUT_FILENO, obuf + obuf_index, obuf_length, &stdout_type)) < 0) {
pa_log(_("write(): %s"), strerror(errno));
goto quit;
}
obuf_length -= (size_t) r;
obuf_index += obuf_index;
}
}
if (watch_socket) {
if (watch_socket->revents & POLLHUP) {
ibuf_eof = true;
ibuf_length = 0;
} if (watch_socket->revents & POLLOUT) {
ssize_t r;
pa_assert(ibuf_length > 0);
if ((r = pa_write(fd, ibuf + ibuf_index, ibuf_length, &fd_type)) < 0) {
pa_log(_("write(): %s"), strerror(errno));
goto quit;
}
ibuf_length -= (size_t) r;
ibuf_index += obuf_index;
}
}
}
ret = 0;
quit:
if (fd >= 0)
pa_close(fd);
pa_xfree(obuf);
pa_xfree(ibuf);
return ret;
}
static int init(int rate_hz, int channels, int format, int flags) {
struct pa_sample_spec ss;
struct pa_channel_map map;
const struct format_map_s *fmt_map;
char *devarg = NULL;
char *host = NULL;
char *sink = NULL;
char *version = pa_get_library_version();
if (ao_subdevice) {
devarg = strdup(ao_subdevice);
sink = strchr(devarg, ':');
if (sink) *sink++ = 0;
if (devarg[0]) host = devarg;
}
broken_pause = 0;
// not sure which versions are affected, assume 0.9.11* to 0.9.14*
// known bad: 0.9.14, 0.9.13
// known good: 0.9.9, 0.9.10, 0.9.15
// to test: pause, wait ca. 5 seconds framestep and see if MPlayer hangs somewhen
if (strncmp(version, "0.9.1", 5) == 0 && version[5] >= '1' && version[5] <= '4') {
mp_msg(MSGT_AO, MSGL_WARN, "[pulse] working around probably broken pause functionality,\n"
" see http://www.pulseaudio.org/ticket/440\n");
broken_pause = 1;
}
ss.channels = channels;
ss.rate = rate_hz;
ao_data.samplerate = rate_hz;
ao_data.channels = channels;
fmt_map = format_maps;
while (fmt_map->mp_format != format) {
if (fmt_map->mp_format == AF_FORMAT_UNKNOWN) {
mp_msg(MSGT_AO, MSGL_V, "AO: [pulse] Unsupported format, using default\n");
fmt_map = format_maps;
break;
}
fmt_map++;
}
ao_data.format = fmt_map->mp_format;
ss.format = fmt_map->pa_format;
if (!pa_sample_spec_valid(&ss)) {
mp_msg(MSGT_AO, MSGL_ERR, "AO: [pulse] Invalid sample spec\n");
goto fail;
}
pa_channel_map_init_auto(&map, ss.channels, PA_CHANNEL_MAP_ALSA);
ao_data.bps = pa_bytes_per_second(&ss);
pa_cvolume_reset(&volume, ss.channels);
if (!(mainloop = pa_threaded_mainloop_new())) {
mp_msg(MSGT_AO, MSGL_ERR, "AO: [pulse] Failed to allocate main loop\n");
goto fail;
}
if (!(context = pa_context_new(pa_threaded_mainloop_get_api(mainloop), PULSE_CLIENT_NAME))) {
mp_msg(MSGT_AO, MSGL_ERR, "AO: [pulse] Failed to allocate context\n");
goto fail;
}
pa_context_set_state_callback(context, context_state_cb, NULL);
if (pa_context_connect(context, host, 0, NULL) < 0)
goto fail;
pa_threaded_mainloop_lock(mainloop);
if (pa_threaded_mainloop_start(mainloop) < 0)
goto unlock_and_fail;
/* Wait until the context is ready */
pa_threaded_mainloop_wait(mainloop);
if (pa_context_get_state(context) != PA_CONTEXT_READY)
goto unlock_and_fail;
if (!(stream = pa_stream_new(context, "audio stream", &ss, &map)))
goto unlock_and_fail;
pa_stream_set_state_callback(stream, stream_state_cb, NULL);
pa_stream_set_write_callback(stream, stream_request_cb, NULL);
pa_stream_set_latency_update_callback(stream, stream_latency_update_cb, NULL);
if (pa_stream_connect_playback(stream, sink, NULL, PA_STREAM_INTERPOLATE_TIMING|PA_STREAM_AUTO_TIMING_UPDATE, &volume, NULL) < 0)
goto unlock_and_fail;
/* Wait until the stream is ready */
pa_threaded_mainloop_wait(mainloop);
if (pa_stream_get_state(stream) != PA_STREAM_READY)
goto unlock_and_fail;
pa_threaded_mainloop_unlock(mainloop);
free(devarg);
return 1;
unlock_and_fail:
if (mainloop)
pa_threaded_mainloop_unlock(mainloop);
fail:
if (context)
GENERIC_ERR_MSG(context, "Init failed");
free(devarg);
uninit(1);
return 0;
}
