char *pa_sink_list_to_string(pa_core *c) {
pa_strbuf *s;
pa_sink *sink;
uint32_t idx = PA_IDXSET_INVALID;
static const char* const state_table[] = {
[PA_SINK_RUNNING] = "RUNNING",
[PA_SINK_SUSPENDED] = "SUSPENDED",
[PA_SINK_IDLE] = "IDLE",
[PA_SINK_UNLINKED] = "UNLINKED"
};
pa_assert(c);
s = pa_strbuf_new();
pa_strbuf_printf(s, "%u sink(s) available.\n", pa_idxset_size(c->sinks));
for (sink = pa_idxset_first(c->sinks, &idx); sink; sink = pa_idxset_next(c->sinks, &idx)) {
char ss[PA_SAMPLE_SPEC_SNPRINT_MAX], cv[PA_CVOLUME_SNPRINT_MAX], cm[PA_CHANNEL_MAP_SNPRINT_MAX];
pa_strbuf_printf(
s,
" %c index: %u\n"
"\tname: <%s>\n"
"\tdriver: <%s>\n"
"\tflags: %s%s%s%s\n"
"\tstate: %s\n"
"\tvolume: <%s>\n"
"\tmute: <%i>\n"
"\tlatency: <%0.0f usec>\n"
"\tmonitor source: <%u>\n"
"\tsample spec: <%s>\n"
"\tchannel map: <%s>\n"
"\tused by: <%u>\n"
"\tlinked by: <%u>\n",
c->default_sink_name && !strcmp(sink->name, c->default_sink_name) ? '*' : ' ',
sink->index,
sink->name,
sink->driver,
sink->flags & PA_SINK_HW_VOLUME_CTRL ? "HW_VOLUME_CTRL " : "",
sink->flags & PA_SINK_LATENCY ? "LATENCY " : "",
sink->flags & PA_SINK_HARDWARE ? "HARDWARE " : "",
sink->flags & PA_SINK_NETWORK ? "NETWORK " : "",
state_table[pa_sink_get_state(sink)],
pa_cvolume_snprint(cv, sizeof(cv), pa_sink_get_volume(sink)),
!!pa_sink_get_mute(sink),
(double) pa_sink_get_latency(sink),
sink->monitor_source ? sink->monitor_source->index : PA_INVALID_INDEX,
pa_sample_spec_snprint(ss, sizeof(ss), &sink->sample_spec),
pa_channel_map_snprint(cm, sizeof(cm), &sink->channel_map),
pa_sink_used_by(sink),
pa_sink_linked_by(sink));
if (sink->module)
pa_strbuf_printf(s, "\tmodule: <%u>\n", sink->module->index);
if (sink->description)
pa_strbuf_printf(s, "\tdescription: <%s>\n", sink->description);
}
return pa_strbuf_tostring_free(s);
}
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);
}
int pa__get_n_used(pa_module *m) {
pa_sink *sink;
pa_assert(m);
pa_assert_se(sink = m->userdata);
return pa_sink_linked_by(sink);
}
int pa__get_n_used(pa_module *module)
{
struct context *context;
pa_assert(module);
pa_assert_se(context = module->userdata);
return pa_sink_linked_by(context->sink);
}
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);
}
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);
}
char *pa_sink_list_to_string(pa_core *c) {
pa_strbuf *s;
pa_sink *sink;
uint32_t idx = PA_IDXSET_INVALID;
pa_assert(c);
s = pa_strbuf_new();
pa_strbuf_printf(s, "%u sink(s) available.\n", pa_idxset_size(c->sinks));
for (sink = pa_idxset_first(c->sinks, &idx); sink; sink = pa_idxset_next(c->sinks, &idx)) {
char ss[PA_SAMPLE_SPEC_SNPRINT_MAX],
cv[PA_CVOLUME_SNPRINT_MAX],
cvdb[PA_SW_CVOLUME_SNPRINT_DB_MAX],
v[PA_VOLUME_SNPRINT_MAX],
vdb[PA_SW_VOLUME_SNPRINT_DB_MAX],
cm[PA_CHANNEL_MAP_SNPRINT_MAX], *t;
const char *cmn;
cmn = pa_channel_map_to_pretty_name(&sink->channel_map);
pa_strbuf_printf(
s,
" %c index: %u\n"
"\tname: <%s>\n"
"\tdriver: <%s>\n"
"\tflags: %s%s%s%s%s%s%s%s\n"
"\tstate: %s\n"
"\tsuspend cause: %s%s%s%s\n"
"\tpriority: %u\n"
"\tvolume: %s%s%s\n"
"\t balance %0.2f\n"
"\tbase volume: %s%s%s\n"
"\tvolume steps: %u\n"
"\tmuted: %s\n"
"\tcurrent latency: %0.2f ms\n"
"\tmax request: %lu KiB\n"
"\tmax rewind: %lu KiB\n"
"\tmonitor source: %u\n"
"\tsample spec: %s\n"
"\tchannel map: %s%s%s\n"
"\tused by: %u\n"
"\tlinked by: %u\n",
sink == c->default_sink ? '*' : ' ',
sink->index,
sink->name,
sink->driver,
sink->flags & PA_SINK_HARDWARE ? "HARDWARE " : "",
sink->flags & PA_SINK_NETWORK ? "NETWORK " : "",
sink->flags & PA_SINK_HW_MUTE_CTRL ? "HW_MUTE_CTRL " : "",
sink->flags & PA_SINK_HW_VOLUME_CTRL ? "HW_VOLUME_CTRL " : "",
sink->flags & PA_SINK_DECIBEL_VOLUME ? "DECIBEL_VOLUME " : "",
sink->flags & PA_SINK_LATENCY ? "LATENCY " : "",
sink->flags & PA_SINK_FLAT_VOLUME ? "FLAT_VOLUME " : "",
sink->flags & PA_SINK_DYNAMIC_LATENCY ? "DYNAMIC_LATENCY" : "",
sink_state_to_string(pa_sink_get_state(sink)),
sink->suspend_cause & PA_SUSPEND_USER ? "USER " : "",
sink->suspend_cause & PA_SUSPEND_APPLICATION ? "APPLICATION " : "",
sink->suspend_cause & PA_SUSPEND_IDLE ? "IDLE " : "",
sink->suspend_cause & PA_SUSPEND_SESSION ? "SESSION" : "",
sink->priority,
pa_cvolume_snprint(cv, sizeof(cv), pa_sink_get_volume(sink, FALSE)),
sink->flags & PA_SINK_DECIBEL_VOLUME ? "\n\t " : "",
sink->flags & PA_SINK_DECIBEL_VOLUME ? pa_sw_cvolume_snprint_dB(cvdb, sizeof(cvdb), pa_sink_get_volume(sink, FALSE)) : "",
pa_cvolume_get_balance(pa_sink_get_volume(sink, FALSE), &sink->channel_map),
pa_volume_snprint(v, sizeof(v), sink->base_volume),
sink->flags & PA_SINK_DECIBEL_VOLUME ? "\n\t " : "",
sink->flags & PA_SINK_DECIBEL_VOLUME ? pa_sw_volume_snprint_dB(vdb, sizeof(vdb), sink->base_volume) : "",
sink->n_volume_steps,
pa_yes_no(pa_sink_get_mute(sink, FALSE)),
(double) pa_sink_get_latency(sink) / (double) PA_USEC_PER_MSEC,
(unsigned long) pa_sink_get_max_request(sink) / 1024,
(unsigned long) pa_sink_get_max_rewind(sink) / 1024,
sink->monitor_source ? sink->monitor_source->index : PA_INVALID_INDEX,
pa_sample_spec_snprint(ss, sizeof(ss), &sink->sample_spec),
pa_channel_map_snprint(cm, sizeof(cm), &sink->channel_map),
cmn ? "\n\t " : "",
cmn ? cmn : "",
pa_sink_used_by(sink),
pa_sink_linked_by(sink));
if (sink->flags & PA_SINK_DYNAMIC_LATENCY) {
pa_usec_t min_latency, max_latency;
pa_sink_get_latency_range(sink, &min_latency, &max_latency);
pa_strbuf_printf(
s,
"\tconfigured latency: %0.2f ms; range is %0.2f .. %0.2f ms\n",
(double) pa_sink_get_requested_latency(sink) / (double) PA_USEC_PER_MSEC,
(double) min_latency / PA_USEC_PER_MSEC,
(double) max_latency / PA_USEC_PER_MSEC);
} else
pa_strbuf_printf(
s,
"\tfixed latency: %0.2f ms\n",
(double) pa_sink_get_fixed_latency(sink) / PA_USEC_PER_MSEC);
if (sink->card)
pa_strbuf_printf(s, "\tcard: %u <%s>\n", sink->card->index, sink->card->name);
if (sink->module)
pa_strbuf_printf(s, "\tmodule: %u\n", sink->module->index);
t = pa_proplist_to_string_sep(sink->proplist, "\n\t\t");
pa_strbuf_printf(s, "\tproperties:\n\t\t%s\n", t);
pa_xfree(t);
append_port_list(s, sink->ports);
if (sink->active_port)
pa_strbuf_printf(
s,
"\tactive port: <%s>\n",
sink->active_port->name);
}
return pa_strbuf_tostring_free(s);
}
