/* Called from main context */
static void adjust_rates(struct userdata *u) {
size_t buffer, fs;
uint32_t old_rate, base_rate, new_rate;
pa_usec_t buffer_latency;
pa_assert(u);
pa_assert_ctl_context();
pa_asyncmsgq_send(u->source_output->source->asyncmsgq, PA_MSGOBJECT(u->source_output), SOURCE_OUTPUT_MESSAGE_LATENCY_SNAPSHOT, NULL, 0, NULL);
pa_asyncmsgq_send(u->sink_input->sink->asyncmsgq, PA_MSGOBJECT(u->sink_input), SINK_INPUT_MESSAGE_LATENCY_SNAPSHOT, NULL, 0, NULL);
buffer =
u->latency_snapshot.sink_input_buffer +
u->latency_snapshot.source_output_buffer;
if (u->latency_snapshot.recv_counter <= u->latency_snapshot.send_counter)
buffer += (size_t) (u->latency_snapshot.send_counter - u->latency_snapshot.recv_counter);
else
buffer += PA_CLIP_SUB(buffer, (size_t) (u->latency_snapshot.recv_counter - u->latency_snapshot.send_counter));
buffer_latency = pa_bytes_to_usec(buffer, &u->sink_input->sample_spec);
pa_log_debug("Loopback overall latency is %0.2f ms + %0.2f ms + %0.2f ms = %0.2f ms",
(double) u->latency_snapshot.sink_latency / PA_USEC_PER_MSEC,
(double) buffer_latency / PA_USEC_PER_MSEC,
(double) u->latency_snapshot.source_latency / PA_USEC_PER_MSEC,
((double) u->latency_snapshot.sink_latency + buffer_latency + u->latency_snapshot.source_latency) / PA_USEC_PER_MSEC);
pa_log_debug("Should buffer %zu bytes, buffered at minimum %zu bytes",
u->latency_snapshot.max_request*2,
u->latency_snapshot.min_memblockq_length);
fs = pa_frame_size(&u->sink_input->sample_spec);
old_rate = u->sink_input->sample_spec.rate;
base_rate = u->source_output->sample_spec.rate;
if (u->latency_snapshot.min_memblockq_length < u->latency_snapshot.max_request*2)
new_rate = base_rate - (((u->latency_snapshot.max_request*2 - u->latency_snapshot.min_memblockq_length) / fs) *PA_USEC_PER_SEC)/u->adjust_time;
else
new_rate = base_rate + (((u->latency_snapshot.min_memblockq_length - u->latency_snapshot.max_request*2) / fs) *PA_USEC_PER_SEC)/u->adjust_time;
if (new_rate < (uint32_t) (base_rate*0.8) || new_rate > (uint32_t) (base_rate*1.25)) {
pa_log_warn("Sample rates too different, not adjusting (%u vs. %u).", base_rate, new_rate);
new_rate = base_rate;
} else {
if (base_rate < new_rate + 20 && new_rate < base_rate + 20)
new_rate = base_rate;
/* Do the adjustment in small steps; 2‰ can be considered inaudible */
if (new_rate < (uint32_t) (old_rate*0.998) || new_rate > (uint32_t) (old_rate*1.002)) {
pa_log_info("New rate of %u Hz not within 2‰ of %u Hz, forcing smaller adjustment", new_rate, old_rate);
new_rate = PA_CLAMP(new_rate, (uint32_t) (old_rate*0.998), (uint32_t) (old_rate*1.002));
}
}
pa_sink_input_set_rate(u->sink_input, new_rate);
pa_log_debug("[%s] Updated sampling rate to %lu Hz.", u->sink_input->sink->name, (unsigned long) new_rate);
pa_core_rttime_restart(u->core, u->time_event, pa_rtclock_now() + u->adjust_time);
}
void pa__done(pa_module *m)
{
pa_assert(m);
struct example_sink_userdata *u = m->userdata;
if (!u) {
return;
}
if (u->sink) {
pa_sink_unlink(u->sink);
}
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->rtpoll) {
pa_rtpoll_free(u->rtpoll);
}
if (u->output_fd != -1) {
close(u->output_fd);
}
pa_xfree(u);
}
void pa__done(pa_module*m) {
struct userdata *u;
pa_assert(m);
if (!(u = m->userdata))
return;
if (u->client)
jack_client_close(u->client);
if (u->sink)
pa_sink_unlink(u->sink);
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->rtpoll_item)
pa_rtpoll_item_free(u->rtpoll_item);
if (u->jack_msgq)
pa_asyncmsgq_unref(u->jack_msgq);
if (u->rtpoll)
pa_rtpoll_free(u->rtpoll);
pa_xfree(u);
}
void pa__done(pa_module *module)
{
struct context *context;
pa_assert(module);
context = module->userdata;
if (!context) return;
if (context->sink)
{
pa_sink_unlink(context->sink);
}
if (context->thread)
{
pa_asyncmsgq_send(context->thread_mq.inq, NULL,
PA_MESSAGE_SHUTDOWN, NULL, 0, NULL);
pa_thread_free(context->thread);
}
pa_thread_mq_done(&context->thread_mq);
if (context->sink)
{
pa_sink_unref(context->sink);
}
if (context->rtpoll)
{
pa_rtpoll_free(context->rtpoll);
}
pa_xfree(context);
}
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;
}
/* Called from main context */
int pa_source_output_start_move(pa_source_output *o) {
pa_source *origin;
int r;
pa_source_output_assert_ref(o);
pa_assert_ctl_context();
pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o->state));
pa_assert(o->source);
if (!pa_source_output_may_move(o))
return -PA_ERR_NOTSUPPORTED;
if ((r = pa_hook_fire(&o->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_MOVE_START], o)) < 0)
return r;
origin = o->source;
pa_idxset_remove_by_data(o->source->outputs, o, NULL);
if (pa_source_output_get_state(o) == PA_SOURCE_OUTPUT_CORKED)
pa_assert_se(origin->n_corked-- >= 1);
pa_assert_se(pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o->source), PA_SOURCE_MESSAGE_REMOVE_OUTPUT, o, 0, NULL) == 0);
pa_source_update_status(o->source);
o->source = NULL;
pa_source_output_unref(o);
return 0;
}
/* Called from main context */
static void time_callback(pa_mainloop_api *a, pa_time_event *e, const struct timeval *t, void *userdata) {
struct userdata *u = userdata;
pa_assert(u);
pa_assert(a);
pa_assert(u->time_event == e);
/* Restart timer right away */
pa_core_rttime_restart(u->core, u->time_event, pa_rtclock_now() + u->adjust_time);
/* Get sink and source latency snapshot */
pa_asyncmsgq_send(u->sink_input->sink->asyncmsgq, PA_MSGOBJECT(u->sink_input), SINK_INPUT_MESSAGE_LATENCY_SNAPSHOT, NULL, 0, NULL);
pa_asyncmsgq_send(u->source_output->source->asyncmsgq, PA_MSGOBJECT(u->source_output), SOURCE_OUTPUT_MESSAGE_LATENCY_SNAPSHOT, NULL, 0, NULL);
adjust_rates(u);
}
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);
}
/* Called from main context */
pa_usec_t pa_source_output_set_requested_latency(pa_source_output *o, pa_usec_t usec) {
pa_source_output_assert_ref(o);
pa_assert_ctl_context();
if (PA_SOURCE_OUTPUT_IS_LINKED(o->state) && o->source) {
pa_assert_se(pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o), PA_SOURCE_OUTPUT_MESSAGE_SET_REQUESTED_LATENCY, &usec, 0, NULL) == 0);
return usec;
}
/* If this source output is not realized yet or is being moved, we
* have to touch the thread info data directly */
if (o->source) {
if (!(o->source->flags & PA_SOURCE_DYNAMIC_LATENCY))
usec = pa_source_get_fixed_latency(o->source);
if (usec != (pa_usec_t) -1) {
pa_usec_t min_latency, max_latency;
pa_source_get_latency_range(o->source, &min_latency, &max_latency);
usec = PA_CLAMP(usec, min_latency, max_latency);
}
}
o->thread_info.requested_source_latency = usec;
return usec;
}
/* Called from main context */
static void adjust_rates(struct userdata *u) {
size_t buffer, fs;
uint32_t old_rate, base_rate, new_rate;
pa_usec_t buffer_latency;
pa_assert(u);
pa_assert_ctl_context();
pa_asyncmsgq_send(u->source_output->source->asyncmsgq, PA_MSGOBJECT(u->source_output), SOURCE_OUTPUT_MESSAGE_LATENCY_SNAPSHOT, NULL, 0, NULL);
pa_asyncmsgq_send(u->sink_input->sink->asyncmsgq, PA_MSGOBJECT(u->sink_input), SINK_INPUT_MESSAGE_LATENCY_SNAPSHOT, NULL, 0, NULL);
buffer =
u->latency_snapshot.sink_input_buffer +
u->latency_snapshot.source_output_buffer;
if (u->latency_snapshot.recv_counter <= u->latency_snapshot.send_counter)
buffer += (size_t) (u->latency_snapshot.send_counter - u->latency_snapshot.recv_counter);
else
buffer += PA_CLIP_SUB(buffer, (size_t) (u->latency_snapshot.recv_counter - u->latency_snapshot.send_counter));
buffer_latency = pa_bytes_to_usec(buffer, &u->sink_input->sample_spec);
pa_log_info("Loopback overall latency is %0.2f ms + %0.2f ms + %0.2f ms = %0.2f ms",
(double) u->latency_snapshot.sink_latency / PA_USEC_PER_MSEC,
(double) buffer_latency / PA_USEC_PER_MSEC,
(double) u->latency_snapshot.source_latency / PA_USEC_PER_MSEC,
((double) u->latency_snapshot.sink_latency + buffer_latency + u->latency_snapshot.source_latency) / PA_USEC_PER_MSEC);
pa_log_info("Should buffer %zu bytes, buffered at minimum %zu bytes",
u->latency_snapshot.max_request*2,
u->latency_snapshot.min_memblockq_length);
fs = pa_frame_size(&u->sink_input->sample_spec);
old_rate = u->sink_input->sample_spec.rate;
base_rate = u->source_output->sample_spec.rate;
if (u->latency_snapshot.min_memblockq_length < u->latency_snapshot.max_request*2)
new_rate = base_rate - (((u->latency_snapshot.max_request*2 - u->latency_snapshot.min_memblockq_length) / fs) *PA_USEC_PER_SEC)/u->adjust_time;
else
new_rate = base_rate + (((u->latency_snapshot.min_memblockq_length - u->latency_snapshot.max_request*2) / fs) *PA_USEC_PER_SEC)/u->adjust_time;
pa_log_info("Old rate %lu Hz, new rate %lu Hz", (unsigned long) old_rate, (unsigned long) new_rate);
pa_sink_input_set_rate(u->sink_input, new_rate);
pa_core_rttime_restart(u->core, u->time_event, pa_rtclock_now() + u->adjust_time);
}
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 context */
void pa_source_output_unlink(pa_source_output*o) {
pa_bool_t linked;
pa_assert(o);
pa_assert_ctl_context();
/* See pa_sink_unlink() for a couple of comments how this function
* works */
pa_source_output_ref(o);
linked = PA_SOURCE_OUTPUT_IS_LINKED(o->state);
if (linked)
pa_hook_fire(&o->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_UNLINK], o);
if (o->direct_on_input)
pa_idxset_remove_by_data(o->direct_on_input->direct_outputs, o, NULL);
pa_idxset_remove_by_data(o->core->source_outputs, o, NULL);
if (o->source)
if (pa_idxset_remove_by_data(o->source->outputs, o, NULL))
pa_source_output_unref(o);
if (o->client)
pa_idxset_remove_by_data(o->client->source_outputs, o, NULL);
update_n_corked(o, PA_SOURCE_OUTPUT_UNLINKED);
o->state = PA_SOURCE_OUTPUT_UNLINKED;
if (linked && o->source)
if (o->source->asyncmsgq)
pa_assert_se(pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o->source), PA_SOURCE_MESSAGE_REMOVE_OUTPUT, o, 0, NULL) == 0);
reset_callbacks(o);
if (linked) {
pa_subscription_post(o->core, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT|PA_SUBSCRIPTION_EVENT_REMOVE, o->index);
pa_hook_fire(&o->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_UNLINK_POST], o);
}
if (o->source) {
pa_source_update_status(o->source);
o->source = NULL;
}
pa_core_maybe_vacuum(o->core);
pa_source_output_unref(o);
}
/* Called from main context */
pa_usec_t pa_source_output_get_requested_latency(pa_source_output *o) {
pa_source_output_assert_ref(o);
pa_assert_ctl_context();
if (PA_SOURCE_OUTPUT_IS_LINKED(o->state) && o->source) {
pa_usec_t usec = 0;
pa_assert_se(pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o), PA_SOURCE_OUTPUT_MESSAGE_GET_REQUESTED_LATENCY, &usec, 0, NULL) == 0);
return usec;
}
/* If this source output is not realized yet or is being moved, we
* have to touch the thread info data directly */
return o->thread_info.requested_source_latency;
}
static int jack_process(jack_nframes_t nframes, void *arg) {
struct userdata *u = arg;
unsigned c;
jack_nframes_t frame_time;
pa_assert(u);
/* We just forward the request to our other RT thread */
for (c = 0; c < u->channels; c++)
pa_assert_se(u->buffer[c] = jack_port_get_buffer(u->port[c], nframes));
frame_time = jack_frame_time(u->client);
pa_assert_se(pa_asyncmsgq_send(u->jack_msgq, PA_MSGOBJECT(u->sink), SINK_MESSAGE_RENDER, &frame_time, nframes, NULL) == 0);
return 0;
}
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->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->rtpoll_item)
pa_rtpoll_item_free(u->rtpoll_item);
if (u->rtpoll)
pa_rtpoll_free(u->rtpoll);
if (u->raw_memchunk.memblock)
pa_memblock_unref(u->raw_memchunk.memblock);
if (u->encoded_memchunk.memblock)
pa_memblock_unref(u->encoded_memchunk.memblock);
if (u->raop)
pa_raop_client_free(u->raop);
pa_xfree(u->read_data);
pa_xfree(u->write_data);
if (u->smoother)
pa_smoother_free(u->smoother);
if (u->fd >= 0)
pa_close(u->fd);
pa_xfree(u);
}
/* Called from main context */
pa_usec_t pa_source_output_get_latency(pa_source_output *o, pa_usec_t *source_latency) {
pa_usec_t r[2] = { 0, 0 };
pa_source_output_assert_ref(o);
pa_assert_ctl_context();
pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o->state));
pa_assert_se(pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o), PA_SOURCE_OUTPUT_MESSAGE_GET_LATENCY, r, 0, NULL) == 0);
if (o->get_latency)
r[0] += o->get_latency(o);
if (source_latency)
*source_latency = r[1];
return r[0];
}
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->thread) {
pa_asyncmsgq_send(u->thread_mq->inq, NULL, PA_MESSAGE_SHUTDOWN, NULL, 0, NULL);
pa_thread_free(u->thread);
}
if (u->thread_mq) {
pa_thread_mq_done(u->thread_mq);
pa_xfree(u->thread_mq);
}
if (u->thread_mainloop)
pa_mainloop_free(u->thread_mainloop);
if (u->cookie_file)
pa_xfree(u->cookie_file);
if (u->remote_sink_name)
pa_xfree(u->remote_sink_name);
if (u->remote_server)
pa_xfree(u->remote_server);
if (u->sink)
pa_sink_unref(u->sink);
if(u->transcode.encoding != -1)
pa_transcode_free(&u->transcode);
pa_xfree(u);
}
/* Called from main context */
static void source_output_set_state(pa_source_output *o, pa_source_output_state_t state) {
pa_assert(o);
pa_assert_ctl_context();
if (o->state == state)
return;
pa_assert_se(pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o), PA_SOURCE_OUTPUT_MESSAGE_SET_STATE, PA_UINT_TO_PTR(state), 0, NULL) == 0);
update_n_corked(o, state);
o->state = state;
if (state != PA_SOURCE_OUTPUT_UNLINKED) {
pa_hook_fire(&o->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_STATE_CHANGED], o);
if (PA_SOURCE_OUTPUT_IS_LINKED(state))
pa_subscription_post(o->core, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT|PA_SUBSCRIPTION_EVENT_CHANGE, o->index);
}
pa_source_update_status(o->source);
}
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->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->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->filename) {
unlink(u->filename);
pa_xfree(u->filename);
}
if (u->fd >= 0)
pa_assert_se(pa_close(u->fd) == 0);
pa_xfree(u);
}
/* Called from main context */
void pa_source_output_put(pa_source_output *o) {
pa_source_output_state_t state;
pa_source_output_assert_ref(o);
pa_assert_ctl_context();
pa_assert(o->state == PA_SOURCE_OUTPUT_INIT);
/* The following fields must be initialized properly */
pa_assert(o->push);
pa_assert(o->kill);
state = o->flags & PA_SOURCE_OUTPUT_START_CORKED ? PA_SOURCE_OUTPUT_CORKED : PA_SOURCE_OUTPUT_RUNNING;
update_n_corked(o, state);
o->state = state;
pa_assert_se(pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o->source), PA_SOURCE_MESSAGE_ADD_OUTPUT, o, 0, NULL) == 0);
pa_subscription_post(o->core, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT|PA_SUBSCRIPTION_EVENT_NEW, o->index);
pa_hook_fire(&o->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_PUT], o);
pa_source_update_status(o->source);
}
int pa__init(pa_module *m) {
struct userdata *u = NULL;
const char *p;
int fd = -1;
int buffer_size;
int mode;
int record = 1, playback = 1;
pa_sample_spec ss;
pa_channel_map map;
pa_modargs *ma = NULL;
char *t;
struct pollfd *pollfd;
pa_assert(m);
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, "record", &record) < 0 || pa_modargs_get_value_boolean(ma, "playback", &playback) < 0) {
pa_log("record= and playback= expect numeric argument.");
goto fail;
}
if (!playback && !record) {
pa_log("neither playback nor record enabled for device.");
goto fail;
}
mode = (playback&&record) ? O_RDWR : (playback ? O_WRONLY : (record ? O_RDONLY : 0));
buffer_size = 16384;
if (pa_modargs_get_value_s32(ma, "buffer_size", &buffer_size) < 0) {
pa_log("failed to parse buffer size argument");
goto fail;
}
ss = m->core->default_sample_spec;
if (pa_modargs_get_sample_spec_and_channel_map(ma, &ss, &map, PA_CHANNEL_MAP_DEFAULT) < 0) {
pa_log("failed to parse sample specification");
goto fail;
}
if ((fd = open(p = pa_modargs_get_value(ma, "device", DEFAULT_DEVICE), mode | O_NONBLOCK)) < 0)
goto fail;
pa_log_info("device opened in %s mode.", mode == O_WRONLY ? "O_WRONLY" : (mode == O_RDONLY ? "O_RDONLY" : "O_RDWR"));
if (pa_solaris_auto_format(fd, mode, &ss) < 0)
goto fail;
if (pa_solaris_set_buffer(fd, buffer_size) < 0)
goto fail;
u = pa_xmalloc(sizeof(struct userdata));
u->core = m->core;
u->fd = fd;
pa_memchunk_reset(&u->memchunk);
/* We use this to get a reasonable chunk size */
u->page_size = PA_PAGE_SIZE;
u->frame_size = pa_frame_size(&ss);
u->buffer_size = buffer_size;
u->written_bytes = 0;
u->read_bytes = 0;
u->module = m;
m->userdata = u;
pa_thread_mq_init(&u->thread_mq, m->core->mainloop);
u->rtpoll = pa_rtpoll_new();
pa_rtpoll_item_new_asyncmsgq(u->rtpoll, PA_RTPOLL_EARLY, u->thread_mq.inq);
pa_rtpoll_set_timer_periodic(u->rtpoll, pa_bytes_to_usec(u->buffer_size / 10, &ss));
u->rtpoll_item = pa_rtpoll_item_new(u->rtpoll, PA_RTPOLL_NEVER, 1);
pollfd = pa_rtpoll_item_get_pollfd(u->rtpoll_item, NULL);
pollfd->fd = fd;
pollfd->events = 0;
pollfd->revents = 0;
if (mode != O_WRONLY) {
u->source = pa_source_new(m->core, __FILE__, pa_modargs_get_value(ma, "source_name", DEFAULT_SOURCE_NAME), 0, &ss, &map);
pa_assert(u->source);
u->source->userdata = u;
u->source->parent.process_msg = source_process_msg;
pa_source_set_module(u->source, m);
pa_source_set_description(u->source, t = pa_sprintf_malloc("Solaris PCM on '%s'", p));
pa_xfree(t);
pa_source_set_asyncmsgq(u->source, u->thread_mq.inq);
pa_source_set_rtpoll(u->source, u->rtpoll);
u->source->flags = PA_SOURCE_HARDWARE|PA_SOURCE_LATENCY|PA_SOURCE_HW_VOLUME_CTRL;
u->source->refresh_volume = 1;
} else
u->source = NULL;
if (mode != O_RDONLY) {
u->sink = pa_sink_new(m->core, __FILE__, pa_modargs_get_value(ma, "sink_name", DEFAULT_SINK_NAME), 0, &ss, &map);
pa_assert(u->sink);
u->sink->userdata = u;
u->sink->parent.process_msg = sink_process_msg;
pa_sink_set_module(u->sink, m);
pa_sink_set_description(u->sink, t = pa_sprintf_malloc("Solaris PCM on '%s'", p));
pa_xfree(t);
pa_sink_set_asyncmsgq(u->sink, u->thread_mq.inq);
pa_sink_set_rtpoll(u->sink, u->rtpoll);
u->sink->flags = PA_SINK_HARDWARE|PA_SINK_LATENCY|PA_SINK_HW_VOLUME_CTRL;
u->sink->refresh_volume = 1;
u->sink->refresh_mute = 1;
} else
u->sink = NULL;
pa_assert(u->source || u->sink);
u->sig = pa_signal_new(SIGPOLL, sig_callback, u);
pa_assert(u->sig);
ioctl(u->fd, I_SETSIG, S_MSG);
if (!(u->thread = pa_thread_new(thread_func, u))) {
pa_log("Failed to create thread.");
goto fail;
}
/* Read mixer settings */
if (u->source)
pa_asyncmsgq_send(u->thread_mq.inq, PA_MSGOBJECT(u->source), PA_SOURCE_MESSAGE_GET_VOLUME, &u->source->volume, 0, NULL);
if (u->sink) {
pa_asyncmsgq_send(u->thread_mq.inq, PA_MSGOBJECT(u->sink), PA_SINK_MESSAGE_GET_VOLUME, &u->sink->volume, 0, NULL);
pa_asyncmsgq_send(u->thread_mq.inq, PA_MSGOBJECT(u->sink), PA_SINK_MESSAGE_GET_MUTE, &u->sink->muted, 0, NULL);
}
if (u->sink)
pa_sink_put(u->sink);
if (u->source)
pa_source_put(u->source);
pa_modargs_free(ma);
return 0;
fail:
if (u)
pa__done(m);
else if (fd >= 0)
close(fd);
if (ma)
pa_modargs_free(ma);
return -1;
}
/* Called from main context */
int pa_source_output_finish_move(pa_source_output *o, pa_source *dest, pa_bool_t save) {
pa_resampler *new_resampler;
pa_source_output_assert_ref(o);
pa_assert_ctl_context();
pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o->state));
pa_assert(!o->source);
pa_source_assert_ref(dest);
if (!pa_source_output_may_move_to(o, dest))
return -1;
if (o->thread_info.resampler &&
pa_sample_spec_equal(pa_resampler_input_sample_spec(o->thread_info.resampler), &dest->sample_spec) &&
pa_channel_map_equal(pa_resampler_input_channel_map(o->thread_info.resampler), &dest->channel_map))
/* Try to reuse the old resampler if possible */
new_resampler = o->thread_info.resampler;
else if ((o->flags & PA_SOURCE_OUTPUT_VARIABLE_RATE) ||
!pa_sample_spec_equal(&o->sample_spec, &dest->sample_spec) ||
!pa_channel_map_equal(&o->channel_map, &dest->channel_map)) {
/* Okey, we need a new resampler for the new source */
if (!(new_resampler = pa_resampler_new(
o->core->mempool,
&dest->sample_spec, &dest->channel_map,
&o->sample_spec, &o->channel_map,
o->requested_resample_method,
((o->flags & PA_SOURCE_OUTPUT_VARIABLE_RATE) ? PA_RESAMPLER_VARIABLE_RATE : 0) |
((o->flags & PA_SOURCE_OUTPUT_NO_REMAP) ? PA_RESAMPLER_NO_REMAP : 0) |
(o->core->disable_remixing || (o->flags & PA_SOURCE_OUTPUT_NO_REMIX) ? PA_RESAMPLER_NO_REMIX : 0)))) {
pa_log_warn("Unsupported resampling operation.");
return -PA_ERR_NOTSUPPORTED;
}
} else
new_resampler = NULL;
if (o->moving)
o->moving(o, dest);
o->source = dest;
o->save_source = save;
pa_idxset_put(o->source->outputs, pa_source_output_ref(o), NULL);
if (pa_source_output_get_state(o) == PA_SOURCE_OUTPUT_CORKED)
o->source->n_corked++;
/* Replace resampler */
if (new_resampler != o->thread_info.resampler) {
if (o->thread_info.resampler)
pa_resampler_free(o->thread_info.resampler);
o->thread_info.resampler = new_resampler;
pa_memblockq_free(o->thread_info.delay_memblockq);
o->thread_info.delay_memblockq = pa_memblockq_new(
0,
MEMBLOCKQ_MAXLENGTH,
0,
pa_frame_size(&o->source->sample_spec),
0,
1,
0,
&o->source->silence);
o->actual_resample_method = new_resampler ? pa_resampler_get_method(new_resampler) : PA_RESAMPLER_INVALID;
}
pa_source_update_status(dest);
pa_assert_se(pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o->source), PA_SOURCE_MESSAGE_ADD_OUTPUT, o, 0, NULL) == 0);
pa_log_debug("Successfully moved source output %i to %s.", o->index, dest->name);
/* Notify everyone */
pa_hook_fire(&o->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_MOVE_FINISH], o);
pa_subscription_post(o->core, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT|PA_SUBSCRIPTION_EVENT_CHANGE, o->index);
return 0;
}
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);
}
int pa__init(pa_module*m) {
struct userdata *u = NULL;
pa_sample_spec ss;
pa_channel_map map;
pa_modargs *ma = NULL;
pa_sink_new_data data;
size_t nbytes;
pa_assert(m);
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;
}
m->userdata = u = pa_xnew0(struct userdata, 1);
u->core = m->core;
u->module = m;
u->rtpoll = pa_rtpoll_new();
pa_thread_mq_init(&u->thread_mq, m->core->mainloop, u->rtpoll);
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_DESCRIPTION, "xrdp sink");
pa_proplist_sets(data.proplist, PA_PROP_DEVICE_CLASS, "abstract");
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_DYNAMIC_LATENCY);
pa_sink_new_data_done(&data);
if (!u->sink) {
pa_log("Failed to create sink object.");
goto fail;
}
u->sink->parent.process_msg = sink_process_msg;
u->sink->update_requested_latency = sink_update_requested_latency_cb;
u->sink->userdata = u;
pa_sink_set_asyncmsgq(u->sink, u->thread_mq.inq);
pa_sink_set_rtpoll(u->sink, u->rtpoll);
u->block_usec = BLOCK_USEC;
pa_log_debug("3 block_usec %d", u->block_usec);
nbytes = pa_usec_to_bytes(u->block_usec, &u->sink->sample_spec);
pa_sink_set_max_rewind(u->sink, nbytes);
pa_sink_set_max_request(u->sink, nbytes);
u->display_num = get_display_num_from_display(getenv("DISPLAY"));
#if defined(PA_CHECK_VERSION)
#if PA_CHECK_VERSION(0, 9, 22)
if (!(u->thread = pa_thread_new("xrdp-sink", thread_func, u))) {
#else
if (!(u->thread = pa_thread_new(thread_func, u))) {
#endif
#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_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->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->rtpoll) {
pa_rtpoll_free(u->rtpoll);
}
pa_xfree(u);
}
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_sink_input_ext_set_volume_limit(struct pa_sink_input *sinp,
pa_volume_t limit)
{
pa_sink *sink;
int retval;
uint64_t limit64;
pa_volume_t value;
pa_cvolume *factor;
pa_cvolume *real;
int changed;
int i;
pa_assert(sinp);
pa_assert_se((sink = sinp->sink));
retval = 0;
if (limit == 0)
pa_sink_input_set_mute(sinp, TRUE, TRUE);
else {
pa_sink_input_set_mute(sinp, FALSE, TRUE);
if (limit > PA_VOLUME_NORM)
limit = PA_VOLUME_NORM;
factor = &sinp->volume_factor;
real = &sinp->real_ratio;
limit64 = (uint64_t)limit * (uint64_t)PA_VOLUME_NORM;
changed = FALSE;
if (real->channels != factor->channels) {
pa_log_debug("channel number mismatch");
retval = -1;
}
else {
for (i = 0; i < factor->channels; i++) {
if (limit < real->values[i])
value = limit64 / (uint64_t)real->values[i];
else
value = PA_VOLUME_NORM;
if (value != factor->values[i]) {
changed = 1;
factor->values[i] = value;
}
}
if (changed) {
if (pa_sink_flat_volume_enabled(sink))
retval = 1;
else {
pa_sw_cvolume_multiply(&sinp->soft_volume, real, factor);
pa_asyncmsgq_send(sink->asyncmsgq, PA_MSGOBJECT(sinp),
PA_SINK_INPUT_MESSAGE_SET_SOFT_VOLUME,
NULL, 0, NULL);
}
}
}
}
return retval;
}