2 This file is part of PulseAudio.
4 Copyright 2008 Lennart Poettering
6 PulseAudio is free software; you can redistribute it and/or modify
7 it under the terms of the GNU Lesser General Public License as published
8 by the Free Software Foundation; either version 2.1 of the License,
9 or (at your option) any later version.
11 PulseAudio is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public License
17 along with PulseAudio; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
26 #include <pulse/context.h>
27 #include <pulse/fork-detect.h>
28 #include <pulse/operation.h>
30 #include <pulsecore/macro.h>
31 #include <pulsecore/pstream-util.h>
34 #include "ext-stream-restore.h"
45 static void ext_stream_restore_test_cb(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
46 pa_operation *o = userdata;
47 uint32_t version = PA_INVALID_INDEX;
51 pa_assert(PA_REFCNT_VALUE(o) >= 1);
56 if (command != PA_COMMAND_REPLY) {
57 if (pa_context_handle_error(o->context, command, t, FALSE) < 0)
60 } else if (pa_tagstruct_getu32(t, &version) < 0 ||
61 !pa_tagstruct_eof(t)) {
63 pa_context_fail(o->context, PA_ERR_PROTOCOL);
68 pa_ext_stream_restore_test_cb_t cb = (pa_ext_stream_restore_test_cb_t) o->callback;
69 cb(o->context, version, o->userdata);
74 pa_operation_unref(o);
77 pa_operation *pa_ext_stream_restore_test(
79 pa_ext_stream_restore_test_cb_t cb,
87 pa_assert(PA_REFCNT_VALUE(c) >= 1);
89 PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
90 PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
91 PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 14, PA_ERR_NOTSUPPORTED);
93 o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata);
95 t = pa_tagstruct_command(c, PA_COMMAND_EXTENSION, &tag);
96 pa_tagstruct_putu32(t, PA_INVALID_INDEX);
97 pa_tagstruct_puts(t, "module-stream-restore");
98 pa_tagstruct_putu32(t, SUBCOMMAND_TEST);
99 pa_pstream_send_tagstruct(c->pstream, t);
100 pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, ext_stream_restore_test_cb, pa_operation_ref(o), (pa_free_cb_t) pa_operation_unref);
105 static void ext_stream_restore_read_cb(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
106 pa_operation *o = userdata;
111 pa_assert(PA_REFCNT_VALUE(o) >= 1);
116 if (command != PA_COMMAND_REPLY) {
117 if (pa_context_handle_error(o->context, command, t, FALSE) < 0)
123 while (!pa_tagstruct_eof(t)) {
124 pa_ext_stream_restore_info i;
125 pa_bool_t mute = FALSE;
127 memset(&i, 0, sizeof(i));
129 if (pa_tagstruct_gets(t, &i.name) < 0 ||
130 pa_tagstruct_get_channel_map(t, &i.channel_map) < 0 ||
131 pa_tagstruct_get_cvolume(t, &i.volume) < 0 ||
132 pa_tagstruct_gets(t, &i.device) < 0 ||
133 pa_tagstruct_get_boolean(t, &mute) < 0) {
135 pa_context_fail(o->context, PA_ERR_PROTOCOL);
142 pa_ext_stream_restore_read_cb_t cb = (pa_ext_stream_restore_read_cb_t) o->callback;
143 cb(o->context, &i, 0, o->userdata);
149 pa_ext_stream_restore_read_cb_t cb = (pa_ext_stream_restore_read_cb_t) o->callback;
150 cb(o->context, NULL, eol, o->userdata);
154 pa_operation_done(o);
155 pa_operation_unref(o);
158 pa_operation *pa_ext_stream_restore_read(
160 pa_ext_stream_restore_read_cb_t cb,
168 pa_assert(PA_REFCNT_VALUE(c) >= 1);
170 PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
171 PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
172 PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 14, PA_ERR_NOTSUPPORTED);
174 o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata);
176 t = pa_tagstruct_command(c, PA_COMMAND_EXTENSION, &tag);
177 pa_tagstruct_putu32(t, PA_INVALID_INDEX);
178 pa_tagstruct_puts(t, "module-stream-restore");
179 pa_tagstruct_putu32(t, SUBCOMMAND_READ);
180 pa_pstream_send_tagstruct(c->pstream, t);
181 pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, ext_stream_restore_read_cb, pa_operation_ref(o), (pa_free_cb_t) pa_operation_unref);
186 pa_operation *pa_ext_stream_restore_write(
188 pa_update_mode_t mode,
189 const pa_ext_stream_restore_info data[],
191 int apply_immediately,
192 pa_context_success_cb_t cb,
196 pa_operation *o = NULL;
197 pa_tagstruct *t = NULL;
200 pa_assert(PA_REFCNT_VALUE(c) >= 1);
201 pa_assert(mode == PA_UPDATE_MERGE || mode == PA_UPDATE_REPLACE || mode == PA_UPDATE_SET);
204 PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
205 PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
206 PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 14, PA_ERR_NOTSUPPORTED);
208 o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata);
210 t = pa_tagstruct_command(c, PA_COMMAND_EXTENSION, &tag);
211 pa_tagstruct_putu32(t, PA_INVALID_INDEX);
212 pa_tagstruct_puts(t, "module-stream-restore");
213 pa_tagstruct_putu32(t, SUBCOMMAND_WRITE);
215 pa_tagstruct_putu32(t, mode);
216 pa_tagstruct_put_boolean(t, apply_immediately);
218 for (; n > 0; n--, data++) {
219 if (!data->name || !*data->name)
222 pa_tagstruct_puts(t, data->name);
224 if (data->volume.channels > 0 &&
225 !pa_cvolume_compatible_with_channel_map(&data->volume, &data->channel_map))
228 pa_tagstruct_put_channel_map(t, &data->channel_map);
229 pa_tagstruct_put_cvolume(t, &data->volume);
230 pa_tagstruct_puts(t, data->device);
231 pa_tagstruct_put_boolean(t, data->mute);
234 pa_pstream_send_tagstruct(c->pstream, t);
235 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);
240 pa_operation_cancel(o);
241 pa_operation_unref(o);
243 pa_tagstruct_free(t);
245 pa_context_set_error(c, PA_ERR_INVALID);
249 pa_operation *pa_ext_stream_restore_delete(
251 const char *const s[],
252 pa_context_success_cb_t cb,
256 pa_operation *o = NULL;
257 pa_tagstruct *t = NULL;
258 const char *const *k;
261 pa_assert(PA_REFCNT_VALUE(c) >= 1);
264 PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
265 PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
266 PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 14, PA_ERR_NOTSUPPORTED);
268 o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata);
270 t = pa_tagstruct_command(c, PA_COMMAND_EXTENSION, &tag);
271 pa_tagstruct_putu32(t, PA_INVALID_INDEX);
272 pa_tagstruct_puts(t, "module-stream-restore");
273 pa_tagstruct_putu32(t, SUBCOMMAND_DELETE);
275 for (k = s; *k; k++) {
279 pa_tagstruct_puts(t, *k);
282 pa_pstream_send_tagstruct(c->pstream, t);
283 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);
288 pa_operation_cancel(o);
289 pa_operation_unref(o);
291 pa_tagstruct_free(t);
293 pa_context_set_error(c, PA_ERR_INVALID);
297 pa_operation *pa_ext_stream_restore_subscribe(
300 pa_context_success_cb_t cb,
308 pa_assert(PA_REFCNT_VALUE(c) >= 1);
310 PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
311 PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
312 PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 14, PA_ERR_NOTSUPPORTED);
314 o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata);
316 t = pa_tagstruct_command(c, PA_COMMAND_EXTENSION, &tag);
317 pa_tagstruct_putu32(t, PA_INVALID_INDEX);
318 pa_tagstruct_puts(t, "module-stream-restore");
319 pa_tagstruct_putu32(t, SUBCOMMAND_SUBSCRIBE);
320 pa_tagstruct_put_boolean(t, enable);
321 pa_pstream_send_tagstruct(c->pstream, t);
322 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);
327 void pa_ext_stream_restore_set_subscribe_cb(
329 pa_ext_stream_restore_subscribe_cb_t cb,
333 pa_assert(PA_REFCNT_VALUE(c) >= 1);
335 if (pa_detect_fork())
338 c->ext_stream_restore.callback = cb;
339 c->ext_stream_restore.userdata = userdata;
342 void pa_ext_stream_restore_command(pa_context *c, uint32_t tag, pa_tagstruct *t) {
346 pa_assert(PA_REFCNT_VALUE(c) >= 1);
349 if (pa_tagstruct_getu32(t, &subcommand) < 0 ||
350 !pa_tagstruct_eof(t)) {
352 pa_context_fail(c, PA_ERR_PROTOCOL);
356 if (subcommand != SUBCOMMAND_EVENT) {
357 pa_context_fail(c, PA_ERR_PROTOCOL);
361 if (c->ext_stream_restore.callback)
362 c->ext_stream_restore.callback(c, c->ext_stream_restore.userdata);