pa_context *pa_context_new_with_proplist(pa_mainloop_api *mainloop, const char *name, pa_proplist *p) {
pa_context *c;
pa_assert(mainloop);
if (pa_detect_fork())
return NULL;
pa_init_i18n();
c = pa_xnew0(pa_context, 1);
PA_REFCNT_INIT(c);
c->proplist = p ? pa_proplist_copy(p) : pa_proplist_new();
if (name)
pa_proplist_sets(c->proplist, PA_PROP_APPLICATION_NAME, name);
#ifdef HAVE_DBUS
c->system_bus = c->session_bus = NULL;
#endif
c->mainloop = mainloop;
c->playback_streams = pa_hashmap_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
c->record_streams = pa_hashmap_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
c->client_index = PA_INVALID_INDEX;
c->use_rtclock = pa_mainloop_is_our_api(mainloop);
PA_LLIST_HEAD_INIT(pa_stream, c->streams);
PA_LLIST_HEAD_INIT(pa_operation, c->operations);
c->error = PA_OK;
c->state = PA_CONTEXT_UNCONNECTED;
reset_callbacks(c);
#ifndef MSG_NOSIGNAL
#ifdef SIGPIPE
pa_check_signal_is_blocked(SIGPIPE);
#endif
#endif
c->conf = pa_client_conf_new();
pa_client_conf_load(c->conf, true, true);
c->srb_template.readfd = -1;
c->srb_template.writefd = -1;
if (!(c->mempool = pa_mempool_new(!c->conf->disable_shm, c->conf->shm_size))) {
if (!c->conf->disable_shm)
c->mempool = pa_mempool_new(false, c->conf->shm_size);
if (!c->mempool) {
context_free(c);
return NULL;
}
}
return c;
}
pa_operation *pa_ext_device_manager_enable_role_device_priority_routing(
pa_context *c,
int enable,
pa_context_success_cb_t cb,
void *userdata) {
uint32_t tag;
pa_operation *o = NULL;
pa_tagstruct *t = NULL;
pa_assert(c);
pa_assert(PA_REFCNT_VALUE(c) >= 1);
PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 14, PA_ERR_NOTSUPPORTED);
o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata);
t = pa_tagstruct_command(c, PA_COMMAND_EXTENSION, &tag);
pa_tagstruct_putu32(t, PA_INVALID_INDEX);
pa_tagstruct_puts(t, "module-device-manager");
pa_tagstruct_putu32(t, SUBCOMMAND_ROLE_DEVICE_PRIORITY_ROUTING);
pa_tagstruct_put_boolean(t, !!enable);
pa_pstream_send_tagstruct(c->pstream, t);
pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, pa_context_simple_ack_callback, pa_operation_ref(o), (pa_free_cb_t) pa_operation_unref);
return o;
}
pa_operation *pa_ext_stream_restore_subscribe(
pa_context *c,
int enable,
pa_context_success_cb_t cb,
void *userdata) {
uint32_t tag;
pa_operation *o;
pa_tagstruct *t;
pa_assert(c);
pa_assert(PA_REFCNT_VALUE(c) >= 1);
PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 14, PA_ERR_NOTSUPPORTED);
o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata);
t = pa_tagstruct_command(c, PA_COMMAND_EXTENSION, &tag);
pa_tagstruct_putu32(t, PA_INVALID_INDEX);
pa_tagstruct_puts(t, "module-stream-restore");
pa_tagstruct_putu32(t, SUBCOMMAND_SUBSCRIBE);
pa_tagstruct_put_boolean(t, enable);
pa_pstream_send_tagstruct(c->pstream, t);
pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, pa_context_simple_ack_callback, pa_operation_ref(o), (pa_free_cb_t) pa_operation_unref);
return o;
}
pa_operation *pa_context_proplist_update(pa_context *c, pa_update_mode_t mode, pa_proplist *p, pa_context_success_cb_t cb, void *userdata) {
pa_operation *o;
pa_tagstruct *t;
uint32_t tag;
pa_assert(c);
pa_assert(PA_REFCNT_VALUE(c) >= 1);
PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
PA_CHECK_VALIDITY_RETURN_NULL(c, mode == PA_UPDATE_SET || mode == PA_UPDATE_MERGE || mode == PA_UPDATE_REPLACE, PA_ERR_INVALID);
PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 13, PA_ERR_NOTSUPPORTED);
o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata);
t = pa_tagstruct_command(c, PA_COMMAND_UPDATE_CLIENT_PROPLIST, &tag);
pa_tagstruct_putu32(t, (uint32_t) mode);
pa_tagstruct_put_proplist(t, p);
pa_pstream_send_tagstruct(c->pstream, t);
pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, pa_context_simple_ack_callback, pa_operation_ref(o), (pa_free_cb_t) pa_operation_unref);
/* Please note that we don't update c->proplist here, because we
* don't export that field */
return o;
}
pa_operation *pa_context_proplist_remove(pa_context *c, const char *const keys[], pa_context_success_cb_t cb, void *userdata) {
pa_operation *o;
pa_tagstruct *t;
uint32_t tag;
const char * const *k;
pa_assert(c);
pa_assert(PA_REFCNT_VALUE(c) >= 1);
PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
PA_CHECK_VALIDITY_RETURN_NULL(c, keys && keys[0], PA_ERR_INVALID);
PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 13, PA_ERR_NOTSUPPORTED);
o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata);
t = pa_tagstruct_command(c, PA_COMMAND_REMOVE_CLIENT_PROPLIST, &tag);
for (k = keys; *k; k++)
pa_tagstruct_puts(t, *k);
pa_tagstruct_puts(t, NULL);
pa_pstream_send_tagstruct(c->pstream, t);
pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, pa_context_simple_ack_callback, pa_operation_ref(o), (pa_free_cb_t) pa_operation_unref);
/* Please note that we don't update c->proplist here, because we
* don't export that field */
return o;
}
pa_operation* pa_context_set_name(pa_context *c, const char *name, pa_context_success_cb_t cb, void *userdata) {
pa_operation *o;
pa_assert(c);
pa_assert(PA_REFCNT_VALUE(c) >= 1);
pa_assert(name);
PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
if (c->version >= 13) {
pa_proplist *p = pa_proplist_new();
pa_proplist_sets(p, PA_PROP_APPLICATION_NAME, name);
o = pa_context_proplist_update(c, PA_UPDATE_REPLACE, p, cb, userdata);
pa_proplist_free(p);
} else {
pa_tagstruct *t;
uint32_t tag;
o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata);
t = pa_tagstruct_command(c, PA_COMMAND_SET_CLIENT_NAME, &tag);
pa_tagstruct_puts(t, name);
pa_pstream_send_tagstruct(c->pstream, t);
pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, pa_context_simple_ack_callback, pa_operation_ref(o), (pa_free_cb_t) pa_operation_unref);
}
return o;
}
pa_operation *pa_ext_device_manager_test(
pa_context *c,
pa_ext_device_manager_test_cb_t cb,
void *userdata) {
uint32_t tag;
pa_operation *o;
pa_tagstruct *t;
pa_assert(c);
pa_assert(PA_REFCNT_VALUE(c) >= 1);
PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 14, PA_ERR_NOTSUPPORTED);
o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata);
t = pa_tagstruct_command(c, PA_COMMAND_EXTENSION, &tag);
pa_tagstruct_putu32(t, PA_INVALID_INDEX);
pa_tagstruct_puts(t, "module-device-manager");
pa_tagstruct_putu32(t, SUBCOMMAND_TEST);
pa_pstream_send_tagstruct(c->pstream, t);
pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, ext_device_manager_test_cb, pa_operation_ref(o), (pa_free_cb_t) pa_operation_unref);
return o;
}
int pa_context_is_local(pa_context *c) {
pa_assert(c);
pa_assert(PA_REFCNT_VALUE(c) >= 1);
PA_CHECK_VALIDITY_RETURN_ANY(c, !pa_detect_fork(), PA_ERR_FORKED, -1);
PA_CHECK_VALIDITY_RETURN_ANY(c, PA_CONTEXT_IS_GOOD(c->state), PA_ERR_BADSTATE, -1);
return !!c->is_local;
}
uint32_t pa_context_get_server_protocol_version(pa_context *c) {
pa_assert(c);
pa_assert(PA_REFCNT_VALUE(c) >= 1);
PA_CHECK_VALIDITY_RETURN_ANY(c, !pa_detect_fork(), PA_ERR_FORKED, PA_INVALID_INDEX);
PA_CHECK_VALIDITY_RETURN_ANY(c, PA_CONTEXT_IS_GOOD(c->state), PA_ERR_BADSTATE, PA_INVALID_INDEX);
return c->version;
}
uint32_t pa_context_get_index(pa_context *c) {
pa_assert(c);
pa_assert(PA_REFCNT_VALUE(c) >= 1);
PA_CHECK_VALIDITY_RETURN_ANY(c, !pa_detect_fork(), PA_ERR_FORKED, PA_INVALID_INDEX);
PA_CHECK_VALIDITY_RETURN_ANY(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE, PA_INVALID_INDEX);
PA_CHECK_VALIDITY_RETURN_ANY(c, c->version >= 13, PA_ERR_NOTSUPPORTED, PA_INVALID_INDEX);
return c->client_index;
}
void pa_context_disconnect(pa_context *c) {
pa_assert(c);
pa_assert(PA_REFCNT_VALUE(c) >= 1);
if (pa_detect_fork())
return;
if (PA_CONTEXT_IS_GOOD(c->state))
pa_context_set_state(c, PA_CONTEXT_TERMINATED);
}
int pa_context_is_pending(pa_context *c) {
pa_assert(c);
pa_assert(PA_REFCNT_VALUE(c) >= 1);
PA_CHECK_VALIDITY(c, !pa_detect_fork(), PA_ERR_FORKED);
PA_CHECK_VALIDITY(c, PA_CONTEXT_IS_GOOD(c->state), PA_ERR_BADSTATE);
return (c->pstream && pa_pstream_is_pending(c->pstream)) ||
(c->pdispatch && pa_pdispatch_is_pending(c->pdispatch)) ||
c->client;
}
int pa_context_load_cookie_from_file(pa_context *c, const char *cookie_file_path) {
pa_assert(c);
pa_assert(PA_REFCNT_VALUE(c) >= 1);
PA_CHECK_VALIDITY(c, !pa_detect_fork(), PA_ERR_FORKED);
PA_CHECK_VALIDITY(c, c->state == PA_CONTEXT_UNCONNECTED, PA_ERR_BADSTATE);
PA_CHECK_VALIDITY(c, !cookie_file_path || *cookie_file_path, PA_ERR_INVALID);
pa_client_conf_set_cookie_file_from_application(c->conf, cookie_file_path);
return 0;
}
size_t pa_context_get_tile_size(pa_context *c, const pa_sample_spec *ss) {
size_t fs, mbs;
pa_assert(c);
pa_assert(PA_REFCNT_VALUE(c) >= 1);
PA_CHECK_VALIDITY_RETURN_ANY(c, !pa_detect_fork(), PA_ERR_FORKED, (size_t) -1);
PA_CHECK_VALIDITY_RETURN_ANY(c, !ss || pa_sample_spec_valid(ss), PA_ERR_INVALID, (size_t) -1);
fs = ss ? pa_frame_size(ss) : 1;
mbs = PA_ROUND_DOWN(pa_mempool_block_size_max(c->mempool), fs);
return PA_MAX(mbs, fs);
}
void pa_context_set_event_callback(pa_context *c, pa_context_event_cb_t cb, void *userdata) {
pa_assert(c);
pa_assert(PA_REFCNT_VALUE(c) >= 1);
if (pa_detect_fork())
return;
if (c->state == PA_CONTEXT_TERMINATED || c->state == PA_CONTEXT_FAILED)
return;
c->event_callback = cb;
c->event_userdata = userdata;
}
const char* pa_context_get_server(pa_context *c) {
pa_assert(c);
pa_assert(PA_REFCNT_VALUE(c) >= 1);
PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
PA_CHECK_VALIDITY_RETURN_NULL(c, c->server, PA_ERR_NOENTITY);
if (*c->server == '{') {
char *e = strchr(c->server+1, '}');
return e ? e+1 : c->server;
}
return c->server;
}
void pa_ext_stream_restore_set_subscribe_cb(
pa_context *c,
pa_ext_stream_restore_subscribe_cb_t cb,
void *userdata) {
pa_assert(c);
pa_assert(PA_REFCNT_VALUE(c) >= 1);
if (pa_detect_fork())
return;
c->ext_stream_restore.callback = cb;
c->ext_stream_restore.userdata = userdata;
}
pa_operation *pa_ext_device_manager_delete(
pa_context *c,
const char *const s[],
pa_context_success_cb_t cb,
void *userdata) {
uint32_t tag;
pa_operation *o = NULL;
pa_tagstruct *t = NULL;
const char *const *k;
pa_assert(c);
pa_assert(PA_REFCNT_VALUE(c) >= 1);
pa_assert(s);
PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 14, PA_ERR_NOTSUPPORTED);
o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata);
t = pa_tagstruct_command(c, PA_COMMAND_EXTENSION, &tag);
pa_tagstruct_putu32(t, PA_INVALID_INDEX);
pa_tagstruct_puts(t, "module-device-manager");
pa_tagstruct_putu32(t, SUBCOMMAND_DELETE);
for (k = s; *k; k++) {
if (!*k || !**k)
goto fail;
pa_tagstruct_puts(t, *k);
}
pa_pstream_send_tagstruct(c->pstream, t);
pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, pa_context_simple_ack_callback, pa_operation_ref(o), (pa_free_cb_t) pa_operation_unref);
return o;
fail:
if (o) {
pa_operation_cancel(o);
pa_operation_unref(o);
}
if (t)
pa_tagstruct_free(t);
pa_context_set_error(c, PA_ERR_INVALID);
return NULL;
}
void pa_ext_device_manager_set_subscribe_cb(
pa_context *c,
pa_ext_device_manager_subscribe_cb_t cb,
void *userdata) {
pa_assert(c);
pa_assert(PA_REFCNT_VALUE(c) >= 1);
if (pa_detect_fork())
return;
c->ext_device_manager.callback = cb;
c->ext_device_manager.userdata = userdata;
}
pa_operation* pa_context_drain(pa_context *c, pa_context_notify_cb_t cb, void *userdata) {
pa_operation *o;
pa_assert(c);
pa_assert(PA_REFCNT_VALUE(c) >= 1);
PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
PA_CHECK_VALIDITY_RETURN_NULL(c, pa_context_is_pending(c), PA_ERR_BADSTATE);
o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata);
set_dispatch_callbacks(pa_operation_ref(o));
return o;
}
pa_operation* pa_context_set_default_source(pa_context *c, const char *name, pa_context_success_cb_t cb, void *userdata) {
pa_tagstruct *t;
pa_operation *o;
uint32_t tag;
pa_assert(c);
pa_assert(PA_REFCNT_VALUE(c) >= 1);
PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata);
t = pa_tagstruct_command(c, PA_COMMAND_SET_DEFAULT_SOURCE, &tag);
pa_tagstruct_puts(t, name);
pa_pstream_send_tagstruct(c->pstream, t);
pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, pa_context_simple_ack_callback, pa_operation_ref(o), (pa_free_cb_t) pa_operation_unref);
return o;
}
pa_operation* pa_context_send_simple_command(pa_context *c, uint32_t command, pa_pdispatch_cb_t internal_cb, pa_operation_cb_t cb, void *userdata) {
pa_tagstruct *t;
pa_operation *o;
uint32_t tag;
pa_assert(c);
pa_assert(PA_REFCNT_VALUE(c) >= 1);
PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
o = pa_operation_new(c, NULL, cb, userdata);
t = pa_tagstruct_command(c, command, &tag);
pa_pstream_send_tagstruct(c->pstream, t);
pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, internal_cb, pa_operation_ref(o), (pa_free_cb_t) pa_operation_unref);
return o;
}
int pa_stream_connect_upload(pa_stream *s, size_t length) {
pa_tagstruct *t;
uint32_t tag;
const char *name;
pa_assert(s);
pa_assert(PA_REFCNT_VALUE(s) >= 1);
PA_CHECK_VALIDITY(s->context, !pa_detect_fork(), PA_ERR_FORKED);
PA_CHECK_VALIDITY(s->context, s->state == PA_STREAM_UNCONNECTED, PA_ERR_BADSTATE);
PA_CHECK_VALIDITY(s->context, length > 0, PA_ERR_INVALID);
PA_CHECK_VALIDITY(s->context, length == (size_t) (uint32_t) length, PA_ERR_INVALID);
PA_CHECK_VALIDITY(s->context, s->context->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
if (!(name = pa_proplist_gets(s->proplist, PA_PROP_EVENT_ID)))
name = pa_proplist_gets(s->proplist, PA_PROP_MEDIA_NAME);
PA_CHECK_VALIDITY(s->context, name && *name && pa_utf8_valid(name), PA_ERR_INVALID);
pa_stream_ref(s);
s->direction = PA_STREAM_UPLOAD;
s->flags = 0;
t = pa_tagstruct_command(s->context, PA_COMMAND_CREATE_UPLOAD_STREAM, &tag);
pa_tagstruct_puts(t, name);
pa_tagstruct_put_sample_spec(t, &s->sample_spec);
pa_tagstruct_put_channel_map(t, &s->channel_map);
pa_tagstruct_putu32(t, (uint32_t) length);
if (s->context->version >= 13)
pa_tagstruct_put_proplist(t, s->proplist);
pa_pstream_send_tagstruct(s->context->pstream, t);
pa_pdispatch_register_reply(s->context->pdispatch, tag, DEFAULT_TIMEOUT, pa_create_stream_callback, s, NULL);
pa_stream_set_state(s, PA_STREAM_CREATING);
pa_stream_unref(s);
return 0;
}
pa_operation *pa_context_play_sample_with_proplist(pa_context *c, const char *name, const char *dev, pa_volume_t volume, pa_proplist *p, pa_context_play_sample_cb_t cb, void *userdata) {
pa_operation *o;
pa_tagstruct *t;
uint32_t tag;
pa_assert(c);
pa_assert(PA_REFCNT_VALUE(c) >= 1);
PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
PA_CHECK_VALIDITY_RETURN_NULL(c, name && *name, PA_ERR_INVALID);
PA_CHECK_VALIDITY_RETURN_NULL(c, !dev || *dev, PA_ERR_INVALID);
PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 13, PA_ERR_NOTSUPPORTED);
o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata);
if (!dev)
dev = c->conf->default_sink;
t = pa_tagstruct_command(c, PA_COMMAND_PLAY_SAMPLE, &tag);
pa_tagstruct_putu32(t, PA_INVALID_INDEX);
pa_tagstruct_puts(t, dev);
if (!PA_VOLUME_IS_VALID(volume) && c->version < 15)
volume = PA_VOLUME_NORM;
pa_tagstruct_putu32(t, volume);
pa_tagstruct_puts(t, name);
if (p)
pa_tagstruct_put_proplist(t, p);
else {
p = pa_proplist_new();
pa_tagstruct_put_proplist(t, p);
pa_proplist_free(p);
}
pa_pstream_send_tagstruct(c->pstream, t);
pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, play_sample_with_proplist_ack_callback, pa_operation_ref(o), (pa_free_cb_t) pa_operation_unref);
return o;
}
pa_operation *pa_ext_device_manager_reorder_devices_for_role(
pa_context *c,
const char* role,
const char** devices,
pa_context_success_cb_t cb,
void *userdata) {
uint32_t tag, i;
pa_operation *o = NULL;
pa_tagstruct *t = NULL;
pa_assert(c);
pa_assert(PA_REFCNT_VALUE(c) >= 1);
PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 14, PA_ERR_NOTSUPPORTED);
pa_assert(role);
pa_assert(devices);
o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata);
t = pa_tagstruct_command(c, PA_COMMAND_EXTENSION, &tag);
pa_tagstruct_putu32(t, PA_INVALID_INDEX);
pa_tagstruct_puts(t, "module-device-manager");
pa_tagstruct_putu32(t, SUBCOMMAND_REORDER);
pa_tagstruct_puts(t, role);
i = 0; while (devices[i]) i++;
pa_tagstruct_putu32(t, i);
i = 0;
while (devices[i])
pa_tagstruct_puts(t, devices[i++]);
pa_pstream_send_tagstruct(c->pstream, t);
pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, pa_context_simple_ack_callback, pa_operation_ref(o), (pa_free_cb_t) pa_operation_unref);
return o;
}
int pa_stream_finish_upload(pa_stream *s) {
pa_tagstruct *t;
uint32_t tag;
pa_assert(s);
pa_assert(PA_REFCNT_VALUE(s) >= 1);
PA_CHECK_VALIDITY(s->context, !pa_detect_fork(), PA_ERR_FORKED);
PA_CHECK_VALIDITY(s->context, s->channel_valid, PA_ERR_BADSTATE);
PA_CHECK_VALIDITY(s->context, s->context->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
pa_stream_ref(s);
t = pa_tagstruct_command(s->context, PA_COMMAND_FINISH_UPLOAD_STREAM, &tag);
pa_tagstruct_putu32(t, s->channel);
pa_pstream_send_tagstruct(s->context->pstream, t);
pa_pdispatch_register_reply(s->context->pdispatch, tag, DEFAULT_TIMEOUT, pa_stream_disconnect_callback, s, NULL);
pa_stream_unref(s);
return 0;
}
int pa_context_connect(
pa_context *c,
const char *server,
pa_context_flags_t flags,
const pa_spawn_api *api) {
int r = -1;
pa_assert(c);
pa_assert(PA_REFCNT_VALUE(c) >= 1);
PA_CHECK_VALIDITY(c, !pa_detect_fork(), PA_ERR_FORKED);
PA_CHECK_VALIDITY(c, c->state == PA_CONTEXT_UNCONNECTED, PA_ERR_BADSTATE);
PA_CHECK_VALIDITY(c, !(flags & ~(PA_CONTEXT_NOAUTOSPAWN|PA_CONTEXT_NOFAIL)), PA_ERR_INVALID);
PA_CHECK_VALIDITY(c, !server || *server, PA_ERR_INVALID);
if (server)
c->conf->autospawn = FALSE;
else
server = c->conf->default_server;
pa_context_ref(c);
c->no_fail = !!(flags & PA_CONTEXT_NOFAIL);
c->server_specified = !!server;
pa_assert(!c->server_list);
if (server) {
if (!(c->server_list = pa_strlist_parse(server))) {
pa_context_fail(c, PA_ERR_INVALIDSERVER);
goto finish;
}
} else {
char *d;
/* Prepend in reverse order */
/* Follow the X display */
if (c->conf->auto_connect_display) {
if ((d = getenv("DISPLAY"))) {
d = pa_xstrndup(d, strcspn(d, ":"));
if (*d)
c->server_list = pa_strlist_prepend(c->server_list, d);
pa_xfree(d);
}
}
/* Add TCP/IP on the localhost */
if (c->conf->auto_connect_localhost) {
c->server_list = pa_strlist_prepend(c->server_list, "tcp6:[::1]");
c->server_list = pa_strlist_prepend(c->server_list, "tcp4:127.0.0.1");
}
/* The system wide instance via PF_LOCAL */
c->server_list = pa_strlist_prepend(c->server_list, PA_SYSTEM_RUNTIME_PATH PA_PATH_SEP PA_NATIVE_DEFAULT_UNIX_SOCKET);
/* The user instance via PF_LOCAL */
c->server_list = prepend_per_user(c->server_list);
}
/* Set up autospawning */
if (!(flags & PA_CONTEXT_NOAUTOSPAWN) && c->conf->autospawn) {
#ifdef HAVE_GETUID
if (getuid() == 0)
pa_log_debug("Not doing autospawn since we are root.");
else {
c->do_autospawn = TRUE;
if (api)
c->spawn_api = *api;
}
#endif
}
pa_context_set_state(c, PA_CONTEXT_CONNECTING);
r = try_next_connection(c);
finish:
pa_context_unref(c);
return r;
}
pa_context *pa_context_new_with_proplist(pa_mainloop_api *mainloop, const char *name, pa_proplist *p) {
pa_context *c;
pa_mem_type_t type;
pa_assert(mainloop);
if (pa_detect_fork())
return NULL;
pa_init_i18n();
c = pa_xnew0(pa_context, 1);
PA_REFCNT_INIT(c);
c->proplist = p ? pa_proplist_copy(p) : pa_proplist_new();
if (name)
pa_proplist_sets(c->proplist, PA_PROP_APPLICATION_NAME, name);
#ifdef HAVE_DBUS
c->system_bus = c->session_bus = NULL;
#endif
c->mainloop = mainloop;
c->playback_streams = pa_hashmap_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
c->record_streams = pa_hashmap_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
c->client_index = PA_INVALID_INDEX;
c->use_rtclock = pa_mainloop_is_our_api(mainloop);
PA_LLIST_HEAD_INIT(pa_stream, c->streams);
PA_LLIST_HEAD_INIT(pa_operation, c->operations);
c->error = PA_OK;
c->state = PA_CONTEXT_UNCONNECTED;
reset_callbacks(c);
#ifndef MSG_NOSIGNAL
#ifdef SIGPIPE
pa_check_signal_is_blocked(SIGPIPE);
#endif
#endif
c->conf = pa_client_conf_new();
pa_client_conf_load(c->conf, true, true);
c->srb_template.readfd = -1;
c->srb_template.writefd = -1;
c->memfd_on_local = (!c->conf->disable_memfd && pa_memfd_is_locally_supported());
type = (c->conf->disable_shm) ? PA_MEM_TYPE_PRIVATE :
((!c->memfd_on_local) ?
PA_MEM_TYPE_SHARED_POSIX : PA_MEM_TYPE_SHARED_MEMFD);
if (!(c->mempool = pa_mempool_new(type, c->conf->shm_size, true))) {
if (!c->conf->disable_shm) {
pa_log_warn("Failed to allocate shared memory pool. Falling back to a normal private one.");
c->mempool = pa_mempool_new(PA_MEM_TYPE_PRIVATE, c->conf->shm_size, true);
}
if (!c->mempool) {
context_free(c);
return NULL;
}
}
return c;
}
pa_operation *pa_ext_stream_restore_write(
pa_context *c,
pa_update_mode_t mode,
const pa_ext_stream_restore_info data[],
unsigned n,
int apply_immediately,
pa_context_success_cb_t cb,
void *userdata) {
uint32_t tag;
pa_operation *o = NULL;
pa_tagstruct *t = NULL;
pa_assert(c);
pa_assert(PA_REFCNT_VALUE(c) >= 1);
pa_assert(mode == PA_UPDATE_MERGE || mode == PA_UPDATE_REPLACE || mode == PA_UPDATE_SET);
pa_assert(data);
PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 14, PA_ERR_NOTSUPPORTED);
o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata);
t = pa_tagstruct_command(c, PA_COMMAND_EXTENSION, &tag);
pa_tagstruct_putu32(t, PA_INVALID_INDEX);
pa_tagstruct_puts(t, "module-stream-restore");
pa_tagstruct_putu32(t, SUBCOMMAND_WRITE);
pa_tagstruct_putu32(t, mode);
pa_tagstruct_put_boolean(t, apply_immediately);
for (; n > 0; n--, data++) {
if (!data->name || !*data->name)
goto fail;
pa_tagstruct_puts(t, data->name);
if (data->volume.channels > 0 &&
!pa_cvolume_compatible_with_channel_map(&data->volume, &data->channel_map))
goto fail;
pa_tagstruct_put_channel_map(t, &data->channel_map);
pa_tagstruct_put_cvolume(t, &data->volume);
pa_tagstruct_puts(t, data->device);
pa_tagstruct_put_boolean(t, data->mute);
}
pa_pstream_send_tagstruct(c->pstream, t);
pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, pa_context_simple_ack_callback, pa_operation_ref(o), (pa_free_cb_t) pa_operation_unref);
return o;
fail:
pa_operation_cancel(o);
pa_operation_unref(o);
pa_tagstruct_free(t);
pa_context_set_error(c, PA_ERR_INVALID);
return NULL;
}
