int main(int argc, char *argv[]) {
pa_asyncmsgq *q;
pa_thread *t;
pa_assert_se(q = pa_asyncmsgq_new(0));
pa_assert_se(t = pa_thread_new("test", the_thread, q));
pa_log_info("Operation A post");
pa_asyncmsgq_post(q, NULL, OPERATION_A, NULL, 0, NULL, NULL);
pa_thread_yield();
pa_log_info("Operation B post");
pa_asyncmsgq_post(q, NULL, OPERATION_B, NULL, 0, NULL, NULL);
pa_thread_yield();
pa_log_info("Operation C send");
pa_asyncmsgq_send(q, NULL, OPERATION_C, NULL, 0, NULL);
pa_thread_yield();
pa_log_info("Quit post");
pa_asyncmsgq_post(q, NULL, QUIT, NULL, 0, NULL, NULL);
pa_thread_free(t);
pa_asyncmsgq_unref(q);
return 0;
}
void pa_thread_mq_init(pa_thread_mq *q, pa_mainloop_api *mainloop, pa_rtpoll *rtpoll) {
pa_assert(q);
pa_assert(mainloop);
q->mainloop = mainloop;
pa_assert_se(q->inq = pa_asyncmsgq_new(0));
pa_assert_se(q->outq = pa_asyncmsgq_new(0));
pa_assert_se(pa_asyncmsgq_read_before_poll(q->outq) == 0);
pa_assert_se(q->read_event = mainloop->io_new(mainloop, pa_asyncmsgq_read_fd(q->outq), PA_IO_EVENT_INPUT, asyncmsgq_read_cb, q));
pa_asyncmsgq_write_before_poll(q->inq);
pa_assert_se(q->write_event = mainloop->io_new(mainloop, pa_asyncmsgq_write_fd(q->inq), PA_IO_EVENT_INPUT, asyncmsgq_write_cb, q));
pa_rtpoll_item_new_asyncmsgq_read(rtpoll, PA_RTPOLL_EARLY, q->inq);
pa_rtpoll_item_new_asyncmsgq_write(rtpoll, PA_RTPOLL_LATE, q->outq);
}
int pa__init(pa_module *m) {
pa_modargs *ma = NULL;
struct userdata *u;
pa_sink *sink = NULL;
pa_sink_input_new_data sink_input_data;
pa_bool_t sink_dont_move;
pa_source *source = NULL;
pa_source_output_new_data source_output_data;
pa_bool_t source_dont_move;
uint32_t latency_msec;
pa_sample_spec ss;
pa_channel_map map;
bool format_set = false;
bool rate_set = false;
bool channels_set = false;
pa_memchunk silence;
uint32_t adjust_time_sec;
const char *n;
pa_bool_t remix = TRUE;
pa_assert(m);
if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
pa_log("Failed to parse module arguments");
goto fail;
}
n = pa_modargs_get_value(ma, "source", NULL);
if (n && !(source = pa_namereg_get(m->core, n, PA_NAMEREG_SOURCE))) {
pa_log("No such source.");
goto fail;
}
n = pa_modargs_get_value(ma, "sink", NULL);
if (n && !(sink = pa_namereg_get(m->core, n, PA_NAMEREG_SINK))) {
pa_log("No such sink.");
goto fail;
}
if (pa_modargs_get_value_boolean(ma, "remix", &remix) < 0) {
pa_log("Invalid boolean remix parameter");
goto fail;
}
if (sink) {
ss = sink->sample_spec;
map = sink->channel_map;
format_set = true;
rate_set = true;
channels_set = true;
} else if (source) {
ss = source->sample_spec;
map = source->channel_map;
format_set = true;
rate_set = true;
channels_set = true;
} else {
/* FIXME: Dummy stream format, needed because pa_sink_input_new()
* requires valid sample spec and channel map even when all the FIX_*
* stream flags are specified. pa_sink_input_new() should be changed
* to ignore the sample spec and channel map when the FIX_* flags are
* present. */
ss.format = PA_SAMPLE_U8;
ss.rate = 8000;
ss.channels = 1;
map.channels = 1;
map.map[0] = PA_CHANNEL_POSITION_MONO;
}
if (pa_modargs_get_sample_spec_and_channel_map(ma, &ss, &map, PA_CHANNEL_MAP_DEFAULT) < 0) {
pa_log("Invalid sample format specification or channel map");
goto fail;
}
if (pa_modargs_get_value(ma, "format", NULL))
format_set = true;
if (pa_modargs_get_value(ma, "rate", NULL))
rate_set = true;
if (pa_modargs_get_value(ma, "channels", NULL) || pa_modargs_get_value(ma, "channel_map", NULL))
channels_set = true;
latency_msec = DEFAULT_LATENCY_MSEC;
if (pa_modargs_get_value_u32(ma, "latency_msec", &latency_msec) < 0 || latency_msec < 1 || latency_msec > 2000) {
pa_log("Invalid latency specification");
goto fail;
}
m->userdata = u = pa_xnew0(struct userdata, 1);
u->core = m->core;
u->module = m;
u->latency = (pa_usec_t) latency_msec * PA_USEC_PER_MSEC;
adjust_time_sec = DEFAULT_ADJUST_TIME_USEC / PA_USEC_PER_SEC;
if (pa_modargs_get_value_u32(ma, "adjust_time", &adjust_time_sec) < 0) {
pa_log("Failed to parse adjust_time value");
goto fail;
}
if (adjust_time_sec != DEFAULT_ADJUST_TIME_USEC / PA_USEC_PER_SEC)
u->adjust_time = adjust_time_sec * PA_USEC_PER_SEC;
else
u->adjust_time = DEFAULT_ADJUST_TIME_USEC;
pa_sink_input_new_data_init(&sink_input_data);
sink_input_data.driver = __FILE__;
sink_input_data.module = m;
if (sink)
pa_sink_input_new_data_set_sink(&sink_input_data, sink, FALSE);
if (pa_modargs_get_proplist(ma, "sink_input_properties", sink_input_data.proplist, PA_UPDATE_REPLACE) < 0) {
pa_log("Failed to parse the sink_input_properties value.");
pa_sink_input_new_data_done(&sink_input_data);
goto fail;
}
if (!pa_proplist_contains(sink_input_data.proplist, PA_PROP_MEDIA_ROLE))
pa_proplist_sets(sink_input_data.proplist, PA_PROP_MEDIA_ROLE, "abstract");
pa_sink_input_new_data_set_sample_spec(&sink_input_data, &ss);
pa_sink_input_new_data_set_channel_map(&sink_input_data, &map);
sink_input_data.flags = PA_SINK_INPUT_VARIABLE_RATE | PA_SINK_INPUT_START_CORKED;
if (!remix)
sink_input_data.flags |= PA_SINK_INPUT_NO_REMIX;
if (!format_set)
sink_input_data.flags |= PA_SINK_INPUT_FIX_FORMAT;
if (!rate_set)
sink_input_data.flags |= PA_SINK_INPUT_FIX_RATE;
if (!channels_set)
sink_input_data.flags |= PA_SINK_INPUT_FIX_CHANNELS;
sink_dont_move = FALSE;
if (pa_modargs_get_value_boolean(ma, "sink_dont_move", &sink_dont_move) < 0) {
pa_log("sink_dont_move= expects a boolean argument.");
goto fail;
}
if (sink_dont_move)
sink_input_data.flags |= PA_SINK_INPUT_DONT_MOVE;
pa_sink_input_new(&u->sink_input, m->core, &sink_input_data);
pa_sink_input_new_data_done(&sink_input_data);
if (!u->sink_input)
goto fail;
/* If format, rate or channels were originally unset, they are set now
* after the pa_sink_input_new() call. */
ss = u->sink_input->sample_spec;
map = u->sink_input->channel_map;
u->sink_input->parent.process_msg = sink_input_process_msg_cb;
u->sink_input->pop = sink_input_pop_cb;
u->sink_input->process_rewind = sink_input_process_rewind_cb;
u->sink_input->kill = sink_input_kill_cb;
u->sink_input->state_change = sink_input_state_change_cb;
u->sink_input->attach = sink_input_attach_cb;
u->sink_input->detach = sink_input_detach_cb;
u->sink_input->update_max_rewind = sink_input_update_max_rewind_cb;
u->sink_input->update_max_request = sink_input_update_max_request_cb;
u->sink_input->may_move_to = sink_input_may_move_to_cb;
u->sink_input->moving = sink_input_moving_cb;
u->sink_input->suspend = sink_input_suspend_cb;
u->sink_input->userdata = u;
pa_sink_input_set_requested_latency(u->sink_input, u->latency/3);
pa_source_output_new_data_init(&source_output_data);
source_output_data.driver = __FILE__;
source_output_data.module = m;
if (source)
pa_source_output_new_data_set_source(&source_output_data, source, FALSE);
if (pa_modargs_get_proplist(ma, "source_output_properties", source_output_data.proplist, PA_UPDATE_REPLACE) < 0) {
pa_log("Failed to parse the source_output_properties value.");
pa_source_output_new_data_done(&source_output_data);
goto fail;
}
if (!pa_proplist_contains(source_output_data.proplist, PA_PROP_MEDIA_ROLE))
pa_proplist_sets(source_output_data.proplist, PA_PROP_MEDIA_ROLE, "abstract");
pa_source_output_new_data_set_sample_spec(&source_output_data, &ss);
pa_source_output_new_data_set_channel_map(&source_output_data, &map);
source_output_data.flags = PA_SOURCE_OUTPUT_START_CORKED;
if (!remix)
source_output_data.flags |= PA_SOURCE_OUTPUT_NO_REMIX;
source_dont_move = FALSE;
if (pa_modargs_get_value_boolean(ma, "source_dont_move", &source_dont_move) < 0) {
pa_log("source_dont_move= expects a boolean argument.");
goto fail;
}
if (source_dont_move)
source_output_data.flags |= PA_SOURCE_OUTPUT_DONT_MOVE;
pa_source_output_new(&u->source_output, m->core, &source_output_data);
pa_source_output_new_data_done(&source_output_data);
if (!u->source_output)
goto fail;
u->source_output->parent.process_msg = source_output_process_msg_cb;
u->source_output->push = source_output_push_cb;
u->source_output->process_rewind = source_output_process_rewind_cb;
u->source_output->kill = source_output_kill_cb;
u->source_output->attach = source_output_attach_cb;
u->source_output->detach = source_output_detach_cb;
u->source_output->state_change = source_output_state_change_cb;
u->source_output->may_move_to = source_output_may_move_to_cb;
u->source_output->moving = source_output_moving_cb;
u->source_output->suspend = source_output_suspend_cb;
u->source_output->userdata = u;
pa_source_output_set_requested_latency(u->source_output, u->latency/3);
pa_sink_input_get_silence(u->sink_input, &silence);
u->memblockq = pa_memblockq_new(
"module-loopback memblockq",
0, /* idx */
MEMBLOCKQ_MAXLENGTH, /* maxlength */
MEMBLOCKQ_MAXLENGTH, /* tlength */
&ss, /* sample_spec */
0, /* prebuf */
0, /* minreq */
0, /* maxrewind */
&silence); /* silence frame */
pa_memblock_unref(silence.memblock);
u->asyncmsgq = pa_asyncmsgq_new(0);
if (!pa_proplist_contains(u->source_output->proplist, PA_PROP_MEDIA_NAME))
pa_proplist_setf(u->source_output->proplist, PA_PROP_MEDIA_NAME, "Loopback to %s",
pa_strnull(pa_proplist_gets(u->sink_input->sink->proplist, PA_PROP_DEVICE_DESCRIPTION)));
if (!pa_proplist_contains(u->source_output->proplist, PA_PROP_MEDIA_ICON_NAME)
&& (n = pa_proplist_gets(u->sink_input->sink->proplist, PA_PROP_DEVICE_ICON_NAME)))
pa_proplist_sets(u->source_output->proplist, PA_PROP_MEDIA_ICON_NAME, n);
if (!pa_proplist_contains(u->sink_input->proplist, PA_PROP_MEDIA_NAME))
pa_proplist_setf(u->sink_input->proplist, PA_PROP_MEDIA_NAME, "Loopback from %s",
pa_strnull(pa_proplist_gets(u->source_output->source->proplist, PA_PROP_DEVICE_DESCRIPTION)));
if (source && !pa_proplist_contains(u->sink_input->proplist, PA_PROP_MEDIA_ICON_NAME)
&& (n = pa_proplist_gets(u->source_output->source->proplist, PA_PROP_DEVICE_ICON_NAME)))
pa_proplist_sets(u->sink_input->proplist, PA_PROP_MEDIA_ICON_NAME, n);
pa_sink_input_put(u->sink_input);
pa_source_output_put(u->source_output);
if (pa_source_get_state(u->source_output->source) != PA_SOURCE_SUSPENDED)
pa_sink_input_cork(u->sink_input, FALSE);
if (pa_sink_get_state(u->sink_input->sink) != PA_SINK_SUSPENDED)
pa_source_output_cork(u->source_output, FALSE);
update_adjust_timer(u);
pa_modargs_free(ma);
return 0;
fail:
if (ma)
pa_modargs_free(ma);
pa__done(m);
return -1;
}
int pa__init(pa_module*m) {
struct userdata *u = NULL;
pa_sample_spec ss;
pa_channel_map map;
pa_modargs *ma = NULL;
jack_status_t status;
const char *server_name, *client_name;
uint32_t channels = 0;
pa_bool_t do_connect = TRUE;
unsigned i;
const char **ports = NULL, **p;
pa_sink_new_data data;
pa_assert(m);
jack_set_error_function(jack_error_func);
if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
pa_log("Failed to parse module arguments.");
goto fail;
}
if (pa_modargs_get_value_boolean(ma, "connect", &do_connect) < 0) {
pa_log("Failed to parse connect= argument.");
goto fail;
}
server_name = pa_modargs_get_value(ma, "server_name", NULL);
client_name = pa_modargs_get_value(ma, "client_name", "PulseAudio JACK Sink");
m->userdata = u = pa_xnew0(struct userdata, 1);
u->core = m->core;
u->module = m;
u->saved_frame_time_valid = FALSE;
u->rtpoll = pa_rtpoll_new();
pa_thread_mq_init(&u->thread_mq, m->core->mainloop, u->rtpoll);
/* The queue linking the JACK thread and our RT thread */
u->jack_msgq = pa_asyncmsgq_new(0);
/* The msgq from the JACK RT thread should have an even higher
* priority than the normal message queues, to match the guarantee
* all other drivers make: supplying the audio device with data is
* the top priority -- and as long as that is possible we don't do
* anything else */
u->rtpoll_item = pa_rtpoll_item_new_asyncmsgq_read(u->rtpoll, PA_RTPOLL_EARLY-1, u->jack_msgq);
if (!(u->client = jack_client_open(client_name, server_name ? JackServerName : JackNullOption, &status, server_name))) {
pa_log("jack_client_open() failed.");
goto fail;
}
ports = jack_get_ports(u->client, NULL, JACK_DEFAULT_AUDIO_TYPE, JackPortIsPhysical|JackPortIsInput);
channels = 0;
for (p = ports; *p; p++)
channels++;
if (!channels)
channels = m->core->default_sample_spec.channels;
if (pa_modargs_get_value_u32(ma, "channels", &channels) < 0 ||
channels <= 0 ||
channels > PA_CHANNELS_MAX) {
pa_log("Failed to parse channels= argument.");
goto fail;
}
if (channels == m->core->default_channel_map.channels)
map = m->core->default_channel_map;
else
pa_channel_map_init_extend(&map, channels, PA_CHANNEL_MAP_ALSA);
if (pa_modargs_get_channel_map(ma, NULL, &map) < 0 || map.channels != channels) {
pa_log("Failed to parse channel_map= argument.");
goto fail;
}
pa_log_info("Successfully connected as '%s'", jack_get_client_name(u->client));
u->channels = ss.channels = (uint8_t) channels;
ss.rate = jack_get_sample_rate(u->client);
ss.format = PA_SAMPLE_FLOAT32NE;
pa_assert(pa_sample_spec_valid(&ss));
for (i = 0; i < ss.channels; i++) {
if (!(u->port[i] = jack_port_register(u->client, pa_channel_position_to_string(map.map[i]), JACK_DEFAULT_AUDIO_TYPE, JackPortIsOutput|JackPortIsTerminal, 0))) {
pa_log("jack_port_register() failed.");
goto fail;
}
}
pa_sink_new_data_init(&data);
data.driver = __FILE__;
data.module = m;
pa_sink_new_data_set_name(&data, pa_modargs_get_value(ma, "sink_name", DEFAULT_SINK_NAME));
pa_sink_new_data_set_sample_spec(&data, &ss);
pa_sink_new_data_set_channel_map(&data, &map);
pa_proplist_sets(data.proplist, PA_PROP_DEVICE_API, "jack");
if (server_name)
pa_proplist_sets(data.proplist, PA_PROP_DEVICE_STRING, server_name);
pa_proplist_setf(data.proplist, PA_PROP_DEVICE_DESCRIPTION, "Jack sink (%s)", jack_get_client_name(u->client));
pa_proplist_sets(data.proplist, "jack.client_name", jack_get_client_name(u->client));
if (pa_modargs_get_proplist(ma, "sink_properties", data.proplist, PA_UPDATE_REPLACE) < 0) {
pa_log("Invalid properties");
pa_sink_new_data_done(&data);
goto fail;
}
u->sink = pa_sink_new(m->core, &data, PA_SINK_LATENCY);
pa_sink_new_data_done(&data);
if (!u->sink) {
pa_log("Failed to create sink.");
goto fail;
}
u->sink->parent.process_msg = sink_process_msg;
u->sink->userdata = u;
pa_sink_set_asyncmsgq(u->sink, u->thread_mq.inq);
pa_sink_set_rtpoll(u->sink, u->rtpoll);
pa_sink_set_max_request(u->sink, jack_get_buffer_size(u->client) * pa_frame_size(&u->sink->sample_spec));
jack_set_process_callback(u->client, jack_process, u);
jack_on_shutdown(u->client, jack_shutdown, u);
jack_set_thread_init_callback(u->client, jack_init, u);
jack_set_buffer_size_callback(u->client, jack_buffer_size, u);
if (!(u->thread = pa_thread_new(thread_func, u))) {
pa_log("Failed to create thread.");
goto fail;
}
if (jack_activate(u->client)) {
pa_log("jack_activate() failed");
goto fail;
}
if (do_connect) {
for (i = 0, p = ports; i < ss.channels; i++, p++) {
if (!*p) {
pa_log("Not enough physical output ports, leaving unconnected.");
break;
}
pa_log_info("Connecting %s to %s", jack_port_name(u->port[i]), *p);
if (jack_connect(u->client, jack_port_name(u->port[i]), *p)) {
pa_log("Failed to connect %s to %s, leaving unconnected.", jack_port_name(u->port[i]), *p);
break;
}
}
}
pa_sink_put(u->sink);
free(ports);
pa_modargs_free(ma);
return 0;
fail:
if (ma)
pa_modargs_free(ma);
free(ports);
pa__done(m);
return -1;
}
int pa__init(pa_module *m) {
pa_modargs *ma = NULL;
struct userdata *u;
pa_sink *sink;
pa_sink_input_new_data sink_input_data;
pa_source *source;
pa_source_output_new_data source_output_data;
uint32_t latency_msec;
pa_sample_spec ss;
pa_channel_map map;
pa_memchunk silence;
uint32_t adjust_time_sec;
const char *n;
pa_assert(m);
if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
pa_log("Failed to parse module arguments");
goto fail;
}
if (!(source = pa_namereg_get(m->core, pa_modargs_get_value(ma, "source", NULL), PA_NAMEREG_SOURCE))) {
pa_log("No such source.");
goto fail;
}
if (!(sink = pa_namereg_get(m->core, pa_modargs_get_value(ma, "sink", NULL), PA_NAMEREG_SINK))) {
pa_log("No such sink.");
goto fail;
}
ss = sink->sample_spec;
map = sink->channel_map;
if (pa_modargs_get_sample_spec_and_channel_map(ma, &ss, &map, PA_CHANNEL_MAP_DEFAULT) < 0) {
pa_log("Invalid sample format specification or channel map");
goto fail;
}
latency_msec = DEFAULT_LATENCY_MSEC;
if (pa_modargs_get_value_u32(ma, "latency_msec", &latency_msec) < 0 || latency_msec < 1 || latency_msec > 2000) {
pa_log("Invalid latency specification");
goto fail;
}
m->userdata = u = pa_xnew0(struct userdata, 1);
u->core = m->core;
u->module = m;
u->latency = (pa_usec_t) latency_msec * PA_USEC_PER_MSEC;
adjust_time_sec = DEFAULT_ADJUST_TIME_USEC / PA_USEC_PER_SEC;
if (pa_modargs_get_value_u32(ma, "adjust_time", &adjust_time_sec) < 0) {
pa_log("Failed to parse adjust_time value");
goto fail;
}
if (adjust_time_sec != DEFAULT_ADJUST_TIME_USEC / PA_USEC_PER_SEC)
u->adjust_time = adjust_time_sec * PA_USEC_PER_SEC;
else
u->adjust_time = DEFAULT_ADJUST_TIME_USEC;
pa_sink_input_new_data_init(&sink_input_data);
sink_input_data.driver = __FILE__;
sink_input_data.module = m;
sink_input_data.sink = sink;
if ((n = pa_modargs_get_value(ma, "sink_input_name", NULL)))
pa_proplist_sets(sink_input_data.proplist, PA_PROP_MEDIA_NAME, n);
else
pa_proplist_setf(sink_input_data.proplist, PA_PROP_MEDIA_NAME, "Loopback from %s",
pa_strnull(pa_proplist_gets(source->proplist, PA_PROP_DEVICE_DESCRIPTION)));
if ((n = pa_modargs_get_value(ma, "sink_input_role", NULL)))
pa_proplist_sets(sink_input_data.proplist, PA_PROP_MEDIA_ROLE, n);
else
pa_proplist_sets(sink_input_data.proplist, PA_PROP_MEDIA_ROLE, "abstract");
if ((n = pa_proplist_gets(source->proplist, PA_PROP_DEVICE_ICON_NAME)))
pa_proplist_sets(sink_input_data.proplist, PA_PROP_MEDIA_ICON_NAME, n);
pa_sink_input_new_data_set_sample_spec(&sink_input_data, &ss);
pa_sink_input_new_data_set_channel_map(&sink_input_data, &map);
sink_input_data.flags = PA_SINK_INPUT_VARIABLE_RATE;
pa_sink_input_new(&u->sink_input, m->core, &sink_input_data);
pa_sink_input_new_data_done(&sink_input_data);
if (!u->sink_input)
goto fail;
u->sink_input->parent.process_msg = sink_input_process_msg_cb;
u->sink_input->pop = sink_input_pop_cb;
u->sink_input->process_rewind = sink_input_process_rewind_cb;
u->sink_input->kill = sink_input_kill_cb;
u->sink_input->attach = sink_input_attach_cb;
u->sink_input->detach = sink_input_detach_cb;
u->sink_input->update_max_rewind = sink_input_update_max_rewind_cb;
u->sink_input->update_max_request = sink_input_update_max_request_cb;
u->sink_input->may_move_to = sink_input_may_move_to_cb;
u->sink_input->moving = sink_input_moving_cb;
u->sink_input->userdata = u;
pa_sink_input_set_requested_latency(u->sink_input, u->latency/3);
pa_source_output_new_data_init(&source_output_data);
source_output_data.driver = __FILE__;
source_output_data.module = m;
source_output_data.source = source;
if ((n = pa_modargs_get_value(ma, "source_output_name", NULL)))
pa_proplist_sets(source_output_data.proplist, PA_PROP_MEDIA_NAME, n);
else
pa_proplist_setf(source_output_data.proplist, PA_PROP_MEDIA_NAME, "Loopback to %s",
pa_strnull(pa_proplist_gets(sink->proplist, PA_PROP_DEVICE_DESCRIPTION)));
if ((n = pa_modargs_get_value(ma, "source_output_role", NULL)))
pa_proplist_sets(source_output_data.proplist, PA_PROP_MEDIA_ROLE, n);
else
pa_proplist_sets(source_output_data.proplist, PA_PROP_MEDIA_ROLE, "abstract");
if ((n = pa_proplist_gets(sink->proplist, PA_PROP_DEVICE_ICON_NAME)))
pa_proplist_sets(source_output_data.proplist, PA_PROP_MEDIA_ICON_NAME, n);
pa_source_output_new_data_set_sample_spec(&source_output_data, &ss);
pa_sink_input_new_data_set_channel_map(&sink_input_data, &map);
pa_source_output_new(&u->source_output, m->core, &source_output_data);
pa_source_output_new_data_done(&source_output_data);
if (!u->source_output)
goto fail;
u->source_output->parent.process_msg = source_output_process_msg_cb;
u->source_output->push = source_output_push_cb;
u->source_output->process_rewind = source_output_process_rewind_cb;
u->source_output->kill = source_output_kill_cb;
u->source_output->attach = source_output_attach_cb;
u->source_output->detach = source_output_detach_cb;
u->source_output->state_change = source_output_state_change_cb;
u->source_output->may_move_to = source_output_may_move_to_cb;
u->source_output->moving = source_output_moving_cb;
u->source_output->userdata = u;
pa_source_output_set_requested_latency(u->source_output, u->latency/3);
pa_sink_input_get_silence(u->sink_input, &silence);
u->memblockq = pa_memblockq_new(
0, /* idx */
MEMBLOCKQ_MAXLENGTH, /* maxlength */
MEMBLOCKQ_MAXLENGTH, /* tlength */
pa_frame_size(&ss), /* base */
0, /* prebuf */
0, /* minreq */
0, /* maxrewind */
&silence); /* silence frame */
pa_memblock_unref(silence.memblock);
u->asyncmsgq = pa_asyncmsgq_new(0);
pa_sink_input_put(u->sink_input);
pa_source_output_put(u->source_output);
if (u->adjust_time > 0)
u->time_event = pa_core_rttime_new(m->core, pa_rtclock_now() + u->adjust_time, time_callback, u);
pa_modargs_free(ma);
return 0;
fail:
if (ma)
pa_modargs_free(ma);
pa__done(m);
return -1;
}