void pa__done(pa_module*m) {
struct userdata *u;
pa_assert(m);
if (!(u = m->userdata))
return;
if (u->source)
pa_source_unlink(u->source);
if (u->thread) {
pa_asyncmsgq_send(u->thread_mq.inq, NULL, PA_MESSAGE_SHUTDOWN, NULL, 0, NULL);
pa_thread_free(u->thread);
}
pa_thread_mq_done(&u->thread_mq);
if (u->source)
pa_source_unref(u->source);
if (u->memchunk.memblock)
pa_memblock_unref(u->memchunk.memblock);
if (u->rtpoll)
pa_rtpoll_free(u->rtpoll);
pa_xfree(u);
}
void pa__done(pa_module*m) {
struct userdata *u;
pa_assert(m);
if (!(u = m->userdata))
return;
/* See comments in source_output_kill_cb() above regarding
* destruction order! */
if (u->source_output)
pa_source_output_unlink(u->source_output);
if (u->source)
pa_source_unlink(u->source);
if (u->source_output)
pa_source_output_unref(u->source_output);
if (u->source)
pa_source_unref(u->source);
pa_xfree(u);
}
void pa__done(pa_module *m) {
struct userdata *u;
pa_assert(m);
if (!(u = m->userdata))
return;
if (u->sig) {
ioctl(u->fd, I_SETSIG, 0);
pa_signal_free(u->sig);
}
if (u->sink)
pa_sink_unlink(u->sink);
if (u->source)
pa_source_unlink(u->source);
if (u->thread) {
pa_asyncmsgq_send(u->thread_mq.inq, NULL, PA_MESSAGE_SHUTDOWN, NULL, 0, NULL);
pa_thread_free(u->thread);
}
pa_thread_mq_done(&u->thread_mq);
if (u->sink)
pa_sink_unref(u->sink);
if (u->source)
pa_source_unref(u->source);
if (u->memchunk.memblock)
pa_memblock_unref(u->memchunk.memblock);
if (u->rtpoll_item)
pa_rtpoll_item_free(u->rtpoll_item);
if (u->rtpoll)
pa_rtpoll_free(u->rtpoll);
if (u->fd >= 0)
close(u->fd);
if (u->smoother)
pa_smoother_free(u->smoother);
pa_xfree(u->device_name);
pa_xfree(u);
}
/* Called from main thread */
static void source_output_kill_cb(pa_source_output *o) {
struct userdata *u;
pa_source_output_assert_ref(o);
pa_assert_ctl_context();
pa_assert_se(u = o->userdata);
/* The order here matters! We first kill the source output, followed
* by the source. That means the source callbacks must be protected
* against an unconnected source output! */
pa_source_output_unlink(u->source_output);
pa_source_unlink(u->source);
pa_source_output_unref(u->source_output);
u->source_output = NULL;
pa_source_unref(u->source);
u->source = NULL;
pa_module_unload_request(u->module, true);
}
pa_source *pa_droid_source_new(pa_module *m,
pa_modargs *ma,
const char *driver,
pa_droid_card_data *card_data,
pa_droid_mapping *am,
pa_card *card) {
struct userdata *u = NULL;
char *thread_name = NULL;
pa_source_new_data data;
const char *module_id = NULL;
/* const char *tmp; */
uint32_t sample_rate;
uint32_t alternate_sample_rate;
audio_devices_t dev_in;
pa_sample_spec sample_spec;
pa_channel_map channel_map;
bool namereg_fail = false;
pa_droid_config_audio *config = NULL; /* Only used when source is created without card */
uint32_t source_buffer = 0;
char audio_source[32];
int ret;
audio_format_t hal_audio_format = 0;
audio_channel_mask_t hal_channel_mask = 0;
pa_assert(m);
pa_assert(ma);
pa_assert(driver);
/* When running under card use hw module name for source by default. */
if (card && ma)
module_id = am->input->module->name;
else
module_id = pa_modargs_get_value(ma, "module_id", DEFAULT_MODULE_ID);
sample_spec = m->core->default_sample_spec;
channel_map = m->core->default_channel_map;
if (pa_modargs_get_sample_spec_and_channel_map(ma, &sample_spec, &channel_map, PA_CHANNEL_MAP_AIFF) < 0) {
pa_log("Failed to parse sample specification and channel map.");
goto fail;
}
alternate_sample_rate = m->core->alternate_sample_rate;
if (pa_modargs_get_alternate_sample_rate(ma, &alternate_sample_rate) < 0) {
pa_log("Failed to parse alternate sample rate.");
goto fail;
}
if (pa_modargs_get_value_u32(ma, "source_buffer", &source_buffer) < 0) {
pa_log("Failed to parse source_buffer. Needs to be integer >= 0.");
goto fail;
}
u = pa_xnew0(struct userdata, 1);
u->core = m->core;
u->module = m;
u->card = card;
u->rtpoll = pa_rtpoll_new();
pa_thread_mq_init(&u->thread_mq, m->core->mainloop, u->rtpoll);
/* Enabled routing changes by default. */
u->routing_changes_enabled = true;
if (card_data) {
pa_assert(card);
u->card_data = card_data;
pa_assert_se((u->hw_module = pa_droid_hw_module_get(u->core, NULL, card_data->module_id)));
} else {
/* Stand-alone source */
if (!(config = pa_droid_config_load(ma)))
goto fail;
/* Ownership of config transfers to hw_module if opening of hw module succeeds. */
if (!(u->hw_module = pa_droid_hw_module_get(u->core, config, module_id)))
goto fail;
}
if (!pa_convert_format(sample_spec.format, CONV_FROM_PA, &hal_audio_format)) {
pa_log("Sample spec format %u not supported.", sample_spec.format);
goto fail;
}
for (int i = 0; i < channel_map.channels; i++) {
audio_channel_mask_t c;
if (!pa_convert_input_channel(channel_map.map[i], CONV_FROM_PA, &c)) {
pa_log("Failed to convert channel map.");
goto fail;
}
hal_channel_mask |= c;
}
struct audio_config config_in = {
.sample_rate = sample_spec.rate,
.channel_mask = hal_channel_mask,
.format = hal_audio_format
};
/* Default routing */
/* FIXME So while setting routing through stream with HALv2 API fails, creation of stream
* requires HALv2 style device to work properly. So until that oddity is resolved we always
* set AUDIO_DEVICE_IN_BUILTIN_MIC as initial device here. */
#if 0
pa_assert_se(pa_string_convert_input_device_str_to_num("AUDIO_DEVICE_IN_BUILTIN_MIC", &dev_in));
if ((tmp = pa_modargs_get_value(ma, "input_devices", NULL))) {
audio_devices_t tmp_dev;
if (parse_device_list(tmp, &tmp_dev) && tmp_dev)
dev_in = tmp_dev;
pa_log_debug("Set initial devices %s", tmp);
}
#else
pa_log_info("FIXME: Setting AUDIO_DEVICE_IN_BUILTIN_MIC as initial device.");
dev_in = AUDIO_DEVICE_IN_BUILTIN_MIC;
#endif
pa_droid_hw_module_lock(u->hw_module);
ret = u->hw_module->device->open_input_stream(u->hw_module->device,
u->hw_module->stream_in_id,
dev_in,
&config_in,
&u->stream);
/* On some devices the first call will fail if the config parameters are
* not supported, but it'll automatically set the right ones, expecting
* the caller to call it again, so let's try at least one more time */
if (!u->stream)
ret = u->hw_module->device->open_input_stream(u->hw_module->device,
u->hw_module->stream_in_id,
dev_in,
&config_in,
&u->stream);
u->hw_module->stream_in_id++;
pa_droid_hw_module_unlock(u->hw_module);
if (ret < 0) {
pa_log("Failed to open input stream.");
goto fail;
}
if ((sample_rate = u->stream->common.get_sample_rate(&u->stream->common)) != sample_spec.rate) {
pa_log_warn("Requested sample rate %u but got %u instead.", sample_spec.rate, sample_rate);
sample_spec.rate = sample_rate;
}
u->buffer_size = u->stream->common.get_buffer_size(&u->stream->common);
if (source_buffer) {
if (source_buffer < u->buffer_size)
pa_log_warn("Requested buffer size %u less than HAL reported buffer size (%u).", source_buffer, u->buffer_size);
else if (source_buffer % u->buffer_size) {
uint32_t trunc = (source_buffer / u->buffer_size) * u->buffer_size;
pa_log_warn("Requested buffer size %u not multiple of HAL buffer size (%u). Using buffer size %u", source_buffer, u->buffer_size, trunc);
u->buffer_size = trunc;
} else {
pa_log_info("Using requested buffer size %u.", source_buffer);
u->buffer_size = source_buffer;
}
}
pa_log_info("Created Android stream with device: %u sample rate: %u channel mask: %u format: %u buffer size: %u",
dev_in,
sample_rate,
config_in.channel_mask,
config_in.format,
u->buffer_size);
/* Setting audio source to MIC by default */
pa_snprintf(audio_source, sizeof(audio_source), "%s=%u", AUDIO_PARAMETER_STREAM_INPUT_SOURCE, AUDIO_SOURCE_MIC);
u->stream->common.set_parameters(&u->stream->common, audio_source);
pa_log_debug("Setting audio source to AUDIO_SOURCE_MIC by default");
pa_source_new_data_init(&data);
data.driver = driver;
data.module = m;
data.card = card;
source_set_name(ma, &data, module_id);
/* We need to give pa_modargs_get_value_boolean() a pointer to a local
* variable instead of using &data.namereg_fail directly, because
* data.namereg_fail is a bitfield and taking the address of a bitfield
* variable is impossible. */
namereg_fail = data.namereg_fail;
if (pa_modargs_get_value_boolean(ma, "namereg_fail", &namereg_fail) < 0) {
pa_log("Failed to parse namereg_fail argument.");
pa_source_new_data_done(&data);
goto fail;
}
data.namereg_fail = namereg_fail;
pa_source_new_data_set_sample_spec(&data, &sample_spec);
pa_source_new_data_set_channel_map(&data, &channel_map);
pa_source_new_data_set_alternate_sample_rate(&data, alternate_sample_rate);
if (am)
pa_droid_add_ports(data.ports, am, card);
u->source = pa_source_new(m->core, &data, PA_SOURCE_HARDWARE);
pa_source_new_data_done(&data);
if (!u->source) {
pa_log("Failed to create source.");
goto fail;
}
u->source->userdata = u;
u->source->parent.process_msg = source_process_msg;
source_set_mute_control(u);
u->source->set_port = source_set_port_cb;
pa_source_set_asyncmsgq(u->source, u->thread_mq.inq);
pa_source_set_rtpoll(u->source, u->rtpoll);
/* Disable rewind for droid source */
pa_source_set_max_rewind(u->source, 0);
thread_name = pa_sprintf_malloc("droid-source-%s", module_id);
if (!(u->thread = pa_thread_new(thread_name, thread_func, u))) {
pa_log("Failed to create thread.");
goto fail;
}
pa_xfree(thread_name);
thread_name = NULL;
pa_source_set_fixed_latency(u->source, pa_bytes_to_usec(u->buffer_size, &sample_spec));
pa_log_debug("Set fixed latency %" PRIu64 " usec", pa_bytes_to_usec(u->buffer_size, &sample_spec));
if (u->source->active_port)
source_set_port_cb(u->source, u->source->active_port);
pa_source_put(u->source);
return u->source;
fail:
pa_xfree(thread_name);
if (config)
pa_xfree(config);
if (u)
userdata_free(u);
return NULL;
}
void pa_droid_source_free(pa_source *s) {
struct userdata *u;
pa_source_assert_ref(s);
pa_assert_se(u = s->userdata);
userdata_free(u);
}
static void userdata_free(struct userdata *u) {
if (u->source)
pa_source_unlink(u->source);
if (u->thread) {
pa_asyncmsgq_send(u->thread_mq.inq, NULL, PA_MESSAGE_SHUTDOWN, NULL, 0, NULL);
pa_thread_free(u->thread);
}
pa_thread_mq_done(&u->thread_mq);
if (u->source)
pa_source_unref(u->source);
if (u->memchunk.memblock)
pa_memblock_unref(u->memchunk.memblock);
if (u->hw_module && u->stream) {
pa_droid_hw_module_lock(u->hw_module);
u->hw_module->device->close_input_stream(u->hw_module->device, u->stream);
pa_droid_hw_module_unlock(u->hw_module);
}
// Stand alone source
if (u->hw_module)
pa_droid_hw_module_unref(u->hw_module);
pa_xfree(u);
}
int pa__init(pa_module * m)
{
struct userdata *u;
pa_sample_spec ss;
pa_channel_map map;
pa_modargs *ma;
struct pollfd *pollfd;
pa_sink_new_data data_sink;
pa_source_new_data data_source;
pa_assert(m);
pa_log("vchan module loading");
if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
pa_log("Failed to parse module arguments.");
goto fail;
}
ss = m->core->default_sample_spec;
map = m->core->default_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;
}
u = pa_xnew0(struct userdata, 1);
u->core = m->core;
u->module = m;
m->userdata = u;
pa_memchunk_reset(&u->memchunk_sink);
pa_memchunk_reset(&u->memchunk_source);
u->rtpoll = pa_rtpoll_new();
pa_thread_mq_init(&u->thread_mq, m->core->mainloop, u->rtpoll);
if ((do_conn(u)) < 0) {
pa_log("get_early_allocated_vchan: %s",
pa_cstrerror(errno));
goto fail;
}
/* SINK preparation */
pa_sink_new_data_init(&data_sink);
data_sink.driver = __FILE__;
data_sink.module = m;
pa_sink_new_data_set_name(&data_sink,
pa_modargs_get_value(ma,
"sink_name",
DEFAULT_SINK_NAME));
pa_proplist_sets(data_sink.proplist,
PA_PROP_DEVICE_STRING, DEFAULT_SINK_NAME);
pa_proplist_setf(data_sink.proplist,
PA_PROP_DEVICE_DESCRIPTION,
"Qubes VCHAN sink");
pa_sink_new_data_set_sample_spec(&data_sink, &ss);
pa_sink_new_data_set_channel_map(&data_sink, &map);
if (pa_modargs_get_proplist
(ma, "sink_properties", data_sink.proplist, PA_UPDATE_REPLACE) < 0) {
pa_log("Invalid properties");
pa_sink_new_data_done(&data_sink);
goto fail;
}
u->sink = pa_sink_new(m->core, &data_sink, PA_SINK_LATENCY);
pa_sink_new_data_done(&data_sink);
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, VCHAN_BUF);
pa_sink_set_fixed_latency(u->sink,
pa_bytes_to_usec
(VCHAN_BUF,
&u->sink->sample_spec));
u->play_rtpoll_item = pa_rtpoll_item_new(u->rtpoll, PA_RTPOLL_NEVER, 1);
pollfd = pa_rtpoll_item_get_pollfd(u->play_rtpoll_item, NULL);
pollfd->fd = libvchan_fd_for_select(u->play_ctrl);
pollfd->events = POLLIN;
pollfd->revents = 0;
/* SOURCE preparation */
pa_source_new_data_init(&data_source);
data_source.driver = __FILE__;
data_source.module = m;
pa_source_new_data_set_name(&data_source, pa_modargs_get_value(ma, "source_name", DEFAULT_SOURCE_NAME));
pa_proplist_sets(data_source.proplist, PA_PROP_DEVICE_STRING, DEFAULT_SOURCE_NAME);
pa_proplist_setf(data_source.proplist, PA_PROP_DEVICE_DESCRIPTION, "Qubes VCHAN source");
pa_source_new_data_set_sample_spec(&data_source, &ss);
pa_source_new_data_set_channel_map(&data_source, &map);
if (pa_modargs_get_proplist(ma, "source_properties", data_source.proplist, PA_UPDATE_REPLACE) < 0) {
pa_log("Invalid properties");
pa_source_new_data_done(&data_source);
goto fail;
}
u->source = pa_source_new(m->core, &data_source, PA_SOURCE_LATENCY);
pa_source_new_data_done(&data_source);
if (!u->source) {
pa_log("Failed to create source.");
goto fail;
}
u->source->parent.process_msg = source_process_msg;
u->source->userdata = u;
pa_source_set_asyncmsgq(u->source, u->thread_mq.inq);
pa_source_set_rtpoll(u->source, u->rtpoll);
pa_source_set_fixed_latency(u->source, pa_bytes_to_usec(PIPE_BUF, &u->source->sample_spec));
u->rec_rtpoll_item = pa_rtpoll_item_new(u->rtpoll, PA_RTPOLL_NEVER, 1);
pollfd = pa_rtpoll_item_get_pollfd(u->rec_rtpoll_item, NULL);
pollfd->fd = libvchan_fd_for_select(u->rec_ctrl);
pollfd->events = POLLIN;
pollfd->revents = 0;
#if PA_CHECK_VERSION(0,9,22)
if (!(u->thread = pa_thread_new("vchan-sink", thread_func, u))) {
#else
if (!(u->thread = pa_thread_new(thread_func, u))) {
#endif
pa_log("Failed to create thread.");
goto fail;
}
pa_sink_put(u->sink);
pa_source_put(u->source);
pa_modargs_free(ma);
return 0;
fail:
if (ma)
pa_modargs_free(ma);
pa__done(m);
return -1;
}
int pa__get_n_used(pa_module * m)
{
struct userdata *u;
pa_assert(m);
pa_assert_se(u = m->userdata);
return pa_sink_linked_by(u->sink);
}
void pa__done(pa_module * m)
{
struct userdata *u;
pa_assert(m);
if (!(u = m->userdata))
return;
if (u->sink)
pa_sink_unlink(u->sink);
if (u->source)
pa_source_unlink(u->source);
if (u->thread) {
pa_asyncmsgq_send(u->thread_mq.inq, NULL,
PA_MESSAGE_SHUTDOWN, NULL, 0, NULL);
pa_thread_free(u->thread);
}
pa_thread_mq_done(&u->thread_mq);
if (u->sink)
pa_sink_unref(u->sink);
if (u->source)
pa_source_unref(u->source);
if (u->memchunk_sink.memblock)
pa_memblock_unref(u->memchunk_sink.memblock);
if (u->memchunk_source.memblock)
pa_memblock_unref(u->memchunk_source.memblock);
if (u->play_rtpoll_item)
pa_rtpoll_item_free(u->play_rtpoll_item);
if (u->rec_rtpoll_item)
pa_rtpoll_item_free(u->rec_rtpoll_item);
if (u->rtpoll)
pa_rtpoll_free(u->rtpoll);
if (u->play_ctrl)
libvchan_close(u->play_ctrl);
if (u->rec_ctrl)
libvchan_close(u->rec_ctrl);
pa_xfree(u);
}
/*** Deallocate stuff ***/
void voice_clear_up(struct userdata *u) {
pa_assert(u);
if (u->mainloop_handler) {
u->mainloop_handler->parent.free((pa_object *)u->mainloop_handler);
u->mainloop_handler = NULL;
}
if (u->hw_sink_input) {
pa_sink_input_unlink(u->hw_sink_input);
pa_sink_input_unref(u->hw_sink_input);
u->hw_sink_input = NULL;
}
if (u->raw_sink) {
pa_sink_unlink(u->raw_sink);
pa_sink_unref(u->raw_sink);
u->raw_sink = NULL;
}
if (u->dl_memblockq) {
pa_memblockq_free(u->dl_memblockq);
u->dl_memblockq = NULL;
}
if (u->voip_sink) {
pa_sink_unlink(u->voip_sink);
pa_sink_unref(u->voip_sink);
u->voip_sink = NULL;
}
if (u->hw_source_output) {
pa_source_output_unlink(u->hw_source_output);
pa_source_output_unref(u->hw_source_output);
u->hw_source_output = NULL;
}
if (u->voip_source) {
pa_source_unlink(u->voip_source);
pa_source_unref(u->voip_source);
u->voip_source = NULL;
}
if (u->raw_source) {
pa_source_unlink(u->raw_source);
pa_source_unref(u->raw_source);
u->raw_source = NULL;
}
if (u->hw_source_memblockq) {
pa_memblockq_free(u->hw_source_memblockq);
u->hw_source_memblockq = NULL;
}
if (u->ul_memblockq) {
pa_memblockq_free(u->ul_memblockq);
u->ul_memblockq = NULL;
}
if (u->dl_sideinfo_queue) {
pa_queue_free(u->dl_sideinfo_queue, NULL, u);
u->dl_sideinfo_queue = NULL;
}
voice_aep_ear_ref_unload(u);
if (u->aep_silence_memchunk.memblock) {
pa_memblock_unref(u->aep_silence_memchunk.memblock);
pa_memchunk_reset(&u->aep_silence_memchunk);
}
if (u->sink_temp_buff) {
pa_xfree(u->sink_temp_buff);
u->sink_temp_buff = NULL;
}
if (u->sink_subscription) {
pa_subscription_free(u->sink_subscription);
u->sink_subscription = NULL;
}
if (u->sink_proplist_changed_slot) {
pa_hook_slot_free(u->sink_proplist_changed_slot);
u->sink_proplist_changed_slot = NULL;
}
if (u->source_proplist_changed_slot) {
pa_hook_slot_free(u->source_proplist_changed_slot);
u->source_proplist_changed_slot = NULL;
}
voice_convert_free(u);
voice_memchunk_pool_unload(u);
voice_unload_event_forwarder(u);
}