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authorColin Guthrie <colin@mageia.org>2011-06-07 12:18:17 +0200
committerColin Guthrie <colin@mageia.org>2011-06-22 23:12:19 +0100
commit35f99c6e31d90439f2bfbefb8b45cff323b40661 (patch)
tree3b479a58be367d5fbf015f12c74682fc31a0a28a
parent695d5363803b7051f85bef82b55220aa37b212a5 (diff)
device-restore: Add a new protocol extension for device-restore.
This simply exposes the formats that a device supports via a simple protocol extension that will allow clients to setup what a connected receiver supports format wise.
-rw-r--r--src/Makefile.am9
-rw-r--r--src/map-file5
-rw-r--r--src/modules/module-device-restore.c269
-rw-r--r--src/pulse/context.c11
-rw-r--r--src/pulse/ext-device-restore.c346
-rw-r--r--src/pulse/ext-device-restore.h106
-rw-r--r--src/pulse/internal.h6
7 files changed, 745 insertions, 7 deletions
diff --git a/src/Makefile.am b/src/Makefile.am
index aa6b4452..01c2ffc0 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -732,6 +732,7 @@ pulseinclude_HEADERS = \
pulse/def.h \
pulse/error.h \
pulse/ext-device-manager.h \
+ pulse/ext-device-restore.h \
pulse/ext-stream-restore.h \
pulse/format.h \
pulse/gccmacro.h \
@@ -784,6 +785,7 @@ libpulse_la_SOURCES = \
pulse/def.h \
pulse/error.c pulse/error.h \
pulse/ext-device-manager.c pulse/ext-device-manager.h \
+ pulse/ext-device-restore.c pulse/ext-device-restore.h \
pulse/ext-stream-restore.c pulse/ext-stream-restore.h \
pulse/gccmacro.h \
pulse/internal.h \
@@ -1754,9 +1756,14 @@ module_device_manager_la_CFLAGS = $(AM_CFLAGS)
# Device volume/muted restore module
module_device_restore_la_SOURCES = modules/module-device-restore.c
module_device_restore_la_LDFLAGS = $(MODULE_LDFLAGS)
-module_device_restore_la_LIBADD = $(MODULE_LIBADD)
+module_device_restore_la_LIBADD = $(MODULE_LIBADD) libprotocol-native.la
module_device_restore_la_CFLAGS = $(AM_CFLAGS)
+if HAVE_DBUS
+module_device_restore_la_LIBADD += $(DBUS_LIBS)
+module_device_restore_la_CFLAGS += $(DBUS_CFLAGS)
+endif
+
# Stream volume/muted/device restore module
module_stream_restore_la_SOURCES = modules/module-stream-restore.c
module_stream_restore_la_LDFLAGS = $(MODULE_LDFLAGS)
diff --git a/src/map-file b/src/map-file
index a9d9aac4..31ef271c 100644
--- a/src/map-file
+++ b/src/map-file
@@ -157,6 +157,11 @@ pa_ext_device_manager_set_device_description;
pa_ext_device_manager_set_subscribe_cb;
pa_ext_device_manager_subscribe;
pa_ext_device_manager_test;
+pa_ext_device_restore_read_sink_formats;
+pa_ext_device_restore_read_sink_formats_all;
+pa_ext_device_restore_save_sink_formats;
+pa_ext_device_restore_subscribe;
+pa_ext_device_restore_test;
pa_ext_stream_restore_delete;
pa_ext_stream_restore_read;
pa_ext_stream_restore_set_subscribe_cb;
diff --git a/src/modules/module-device-restore.c b/src/modules/module-device-restore.c
index 4ef8a24b..35e455d9 100644
--- a/src/modules/module-device-restore.c
+++ b/src/modules/module-device-restore.c
@@ -2,6 +2,7 @@
This file is part of PulseAudio.
Copyright 2006-2008 Lennart Poettering
+ Copyright 2011 Colin Guthrie
PulseAudio is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published
@@ -36,6 +37,8 @@
#include <pulse/timeval.h>
#include <pulse/util.h>
#include <pulse/rtclock.h>
+#include <pulse/format.h>
+#include <pulse/internal.h>
#include <pulsecore/core-error.h>
#include <pulsecore/module.h>
@@ -46,6 +49,9 @@
#include <pulsecore/sink-input.h>
#include <pulsecore/source-output.h>
#include <pulsecore/namereg.h>
+#include <pulsecore/protocol-native.h>
+#include <pulsecore/pstream.h>
+#include <pulsecore/pstream-util.h>
#include <pulsecore/database.h>
#include <pulsecore/tagstruct.h>
@@ -77,15 +83,30 @@ struct userdata {
*sink_new_hook_slot,
*sink_fixate_hook_slot,
*source_new_hook_slot,
- *source_fixate_hook_slot;
+ *source_fixate_hook_slot,
+ *connection_unlink_hook_slot;
pa_time_event *save_time_event;
pa_database *database;
+ pa_native_protocol *protocol;
+ pa_idxset *subscribed;
+
pa_bool_t restore_volume:1;
pa_bool_t restore_muted:1;
pa_bool_t restore_port:1;
};
+/* Protocol extention commands */
+enum {
+ SUBCOMMAND_TEST,
+ SUBCOMMAND_SUBSCRIBE,
+ SUBCOMMAND_EVENT,
+ SUBCOMMAND_READ_SINK_FORMATS_ALL,
+ SUBCOMMAND_READ_SINK_FORMATS,
+ SUBCOMMAND_SAVE_SINK_FORMATS
+};
+
+
#define ENTRY_VERSION 3
struct entry {
@@ -95,6 +116,7 @@ struct entry {
pa_channel_map channel_map;
pa_cvolume volume;
char *port;
+ pa_idxset *formats;
};
static void save_time_callback(pa_mainloop_api*a, pa_time_event* e, const struct timeval *t, void *userdata) {
@@ -115,12 +137,14 @@ static void save_time_callback(pa_mainloop_api*a, pa_time_event* e, const struct
static struct entry* entry_new(void) {
struct entry *r = pa_xnew0(struct entry, 1);
r->version = ENTRY_VERSION;
+ r->formats = pa_idxset_new(NULL, NULL);
return r;
}
static void entry_free(struct entry* e) {
pa_assert(e);
+ pa_idxset_free(e->formats, (pa_free2_cb_t) pa_format_info_free2, NULL);
pa_xfree(e->port);
pa_xfree(e);
}
@@ -130,6 +154,7 @@ static struct entry* entry_read(struct userdata *u, const char *name) {
struct entry *e = NULL;
pa_tagstruct *t = NULL;
const char* port;
+ uint8_t i, n_formats;
pa_assert(u);
pa_assert(name);
@@ -153,13 +178,23 @@ static struct entry* entry_read(struct userdata *u, const char *name) {
pa_tagstruct_get_boolean(t, &e->muted_valid) < 0 ||
pa_tagstruct_get_boolean(t, &e->muted) < 0 ||
pa_tagstruct_get_boolean(t, &e->port_valid) < 0 ||
- pa_tagstruct_gets(t, &port) < 0) {
+ pa_tagstruct_gets(t, &port) < 0 ||
+ pa_tagstruct_getu8(t, &n_formats) < 0) {
goto fail;
}
e->port = pa_xstrdup(port);
+ for (i = 0; i < n_formats; ++i) {
+ pa_format_info *f = pa_format_info_new();
+ if (pa_tagstruct_get_format_info(t, f) < 0) {
+ pa_format_info_free(f);
+ goto fail;
+ }
+ pa_idxset_put(e->formats, f, NULL);
+ }
+
if (!pa_tagstruct_eof(t))
goto fail;
@@ -194,6 +229,8 @@ static pa_bool_t entry_write(struct userdata *u, const char *name, const struct
pa_tagstruct *t;
pa_datum key, data;
pa_bool_t r;
+ uint32_t i;
+ pa_format_info *f;
pa_assert(u);
pa_assert(name);
@@ -208,6 +245,11 @@ static pa_bool_t entry_write(struct userdata *u, const char *name, const struct
pa_tagstruct_put_boolean(t, e->muted);
pa_tagstruct_put_boolean(t, e->port_valid);
pa_tagstruct_puts(t, e->port);
+ pa_tagstruct_putu8(t, pa_idxset_size(e->formats));
+
+ PA_IDXSET_FOREACH(f, e->formats, i) {
+ pa_tagstruct_put_format_info(t, f);
+ }
key.data = (char *) name;
key.size = strlen(name);
@@ -223,11 +265,23 @@ static pa_bool_t entry_write(struct userdata *u, const char *name, const struct
static struct entry* entry_copy(const struct entry *e) {
struct entry* r;
+ uint32_t idx;
+ pa_format_info *f;
pa_assert(e);
r = entry_new();
- *r = *e;
+ r->version = e->version;
+ r->muted_valid = e->muted_valid;
+ r->volume_valid = e->volume_valid;
+ r->port_valid = e->port_valid;
+ r->muted = e->muted;
+ r->channel_map = e->channel_map;
+ r->volume = e->volume;
r->port = pa_xstrdup(e->port);
+
+ PA_IDXSET_FOREACH(f, e->formats, idx) {
+ pa_idxset_put(r->formats, pa_format_info_copy(f), NULL);
+ }
return r;
}
@@ -511,6 +565,197 @@ static pa_hook_result_t source_fixate_hook_callback(pa_core *c, pa_source_new_da
return PA_HOOK_OK;
}
+#define EXT_VERSION 1
+
+static void read_sink_format_reply(struct userdata *u, pa_tagstruct *reply, pa_sink *sink) {
+ struct entry *e;
+ char *name;
+
+ pa_assert(u);
+ pa_assert(reply);
+ pa_assert(sink);
+
+ pa_tagstruct_putu32(reply, sink->index);
+
+ /* Read or create an entry */
+ name = pa_sprintf_malloc("sink:%s", sink->name);
+ if (!(e = entry_read(u, name))) {
+ /* Fake a reply with PCM encoding supported */
+ pa_format_info *f = pa_format_info_new();
+
+ pa_tagstruct_putu8(reply, 1);
+ f->encoding = PA_ENCODING_PCM;
+ pa_tagstruct_put_format_info(reply, f);
+
+ pa_format_info_free(f);
+ } else {
+ uint32_t idx;
+ pa_format_info *f;
+
+ /* Write all the formats from the entry to the reply */
+ pa_tagstruct_putu8(reply, pa_idxset_size(e->formats));
+ PA_IDXSET_FOREACH(f, e->formats, idx) {
+ pa_tagstruct_put_format_info(reply, f);
+ }
+ }
+ pa_xfree(name);
+}
+
+static int extension_cb(pa_native_protocol *p, pa_module *m, pa_native_connection *c, uint32_t tag, pa_tagstruct *t) {
+ struct userdata *u;
+ uint32_t command;
+ pa_tagstruct *reply = NULL;
+
+ pa_assert(p);
+ pa_assert(m);
+ pa_assert(c);
+ pa_assert(t);
+
+ u = m->userdata;
+
+ if (pa_tagstruct_getu32(t, &command) < 0)
+ goto fail;
+
+ reply = pa_tagstruct_new(NULL, 0);
+ pa_tagstruct_putu32(reply, PA_COMMAND_REPLY);
+ pa_tagstruct_putu32(reply, tag);
+
+ switch (command) {
+ case SUBCOMMAND_TEST: {
+ if (!pa_tagstruct_eof(t))
+ goto fail;
+
+ pa_tagstruct_putu32(reply, EXT_VERSION);
+ break;
+ }
+
+ case SUBCOMMAND_SUBSCRIBE: {
+
+ pa_bool_t enabled;
+
+ if (pa_tagstruct_get_boolean(t, &enabled) < 0 ||
+ !pa_tagstruct_eof(t))
+ goto fail;
+
+ if (enabled)
+ pa_idxset_put(u->subscribed, c, NULL);
+ else
+ pa_idxset_remove_by_data(u->subscribed, c, NULL);
+
+ break;
+ }
+
+ case SUBCOMMAND_READ_SINK_FORMATS_ALL: {
+ pa_sink *sink;
+ uint32_t idx;
+
+ if (!pa_tagstruct_eof(t))
+ goto fail;
+
+ PA_IDXSET_FOREACH(sink, u->core->sinks, idx) {
+ read_sink_format_reply(u, reply, sink);
+ }
+
+ break;
+ }
+ case SUBCOMMAND_READ_SINK_FORMATS: {
+ uint32_t sink_index;
+ pa_sink *sink;
+
+ pa_assert(reply);
+
+ /* Get the sink index and the number of formats from the tagstruct */
+ if (pa_tagstruct_getu32(t, &sink_index) < 0)
+ goto fail;
+
+ if (!pa_tagstruct_eof(t))
+ goto fail;
+
+ /* Now find our sink */
+ if (!(sink = pa_idxset_get_by_index(u->core->sinks, sink_index)))
+ goto fail;
+
+ read_sink_format_reply(u, reply, sink);
+
+ break;
+ }
+
+ case SUBCOMMAND_SAVE_SINK_FORMATS: {
+
+ struct entry *e;
+ uint32_t sink_index;
+ char *name;
+ pa_sink *sink;
+ uint8_t i, n_formats;
+
+ /* Get the sink index and the number of formats from the tagstruct */
+ if (pa_tagstruct_getu32(t, &sink_index) < 0 ||
+ pa_tagstruct_getu8(t, &n_formats) < 0 || n_formats < 1) {
+
+ goto fail;
+ }
+
+ /* Now find our sink */
+ if (!(sink = pa_idxset_get_by_index(u->core->sinks, sink_index)))
+ goto fail;
+
+ /* Read or create an entry */
+ name = pa_sprintf_malloc("sink:%s", sink->name);
+ if (!(e = entry_read(u, name)))
+ e = entry_new();
+
+ /* Read all the formats from our tagstruct */
+ for (i = 0; i < n_formats; ++i) {
+ pa_format_info *f = pa_format_info_new();
+ if (pa_tagstruct_get_format_info(t, f) < 0) {
+ pa_format_info_free(f);
+ pa_xfree(name);
+ goto fail;
+ }
+ pa_idxset_put(e->formats, f, NULL);
+ }
+
+ if (!pa_tagstruct_eof(t)) {
+ entry_free(e);
+ pa_xfree(name);
+ goto fail;
+ }
+
+ if (entry_write(u, name, e))
+ trigger_save(u);
+ else
+ pa_log_warn("Could not save format info for sink %s", sink->name);
+
+ pa_xfree(name);
+ entry_free(e);
+
+ break;
+ }
+
+ default:
+ goto fail;
+ }
+
+ pa_pstream_send_tagstruct(pa_native_connection_get_pstream(c), reply);
+ return 0;
+
+fail:
+
+ if (reply)
+ pa_tagstruct_free(reply);
+
+ return -1;
+}
+
+static pa_hook_result_t connection_unlink_hook_cb(pa_native_protocol *p, pa_native_connection *c, struct userdata *u) {
+ pa_assert(p);
+ pa_assert(c);
+ pa_assert(u);
+
+ pa_idxset_remove_by_data(u->subscribed, c, NULL);
+ return PA_HOOK_OK;
+}
+
int pa__init(pa_module*m) {
pa_modargs *ma = NULL;
struct userdata *u;
@@ -544,6 +789,13 @@ int pa__init(pa_module*m) {
u->restore_muted = restore_muted;
u->restore_port = restore_port;
+ u->subscribed = pa_idxset_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
+
+ u->protocol = pa_native_protocol_get(m->core);
+ pa_native_protocol_install_ext(u->protocol, m, extension_cb);
+
+ u->connection_unlink_hook_slot = pa_hook_connect(&pa_native_protocol_hooks(u->protocol)[PA_NATIVE_HOOK_CONNECTION_UNLINK], PA_HOOK_NORMAL, (pa_hook_cb_t) connection_unlink_hook_cb, u);
+
u->subscription = pa_subscription_new(m->core, PA_SUBSCRIPTION_MASK_SINK|PA_SUBSCRIPTION_MASK_SOURCE, subscribe_callback, u);
if (restore_port) {
@@ -606,11 +858,22 @@ void pa__done(pa_module*m) {
if (u->source_new_hook_slot)
pa_hook_slot_free(u->source_new_hook_slot);
+ if (u->connection_unlink_hook_slot)
+ pa_hook_slot_free(u->connection_unlink_hook_slot);
+
if (u->save_time_event)
u->core->mainloop->time_free(u->save_time_event);
if (u->database)
pa_database_close(u->database);
+ if (u->protocol) {
+ pa_native_protocol_remove_ext(u->protocol, m);
+ pa_native_protocol_unref(u->protocol);
+ }
+
+ if (u->subscribed)
+ pa_idxset_free(u->subscribed, NULL, NULL);
+
pa_xfree(u);
}
diff --git a/src/pulse/context.c b/src/pulse/context.c
index 1480af53..5dd780bd 100644
--- a/src/pulse/context.c
+++ b/src/pulse/context.c
@@ -124,6 +124,9 @@ static void reset_callbacks(pa_context *c) {
c->ext_device_manager.callback = NULL;
c->ext_device_manager.userdata = NULL;
+ c->ext_device_restore.callback = NULL;
+ c->ext_device_restore.userdata = NULL;
+
c->ext_stream_restore.callback = NULL;
c->ext_stream_restore.userdata = NULL;
}
@@ -1425,10 +1428,12 @@ void pa_command_extension(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_t
goto finish;
}
- if (!strcmp(name, "module-stream-restore"))
- pa_ext_stream_restore_command(c, tag, t);
- else if (!strcmp(name, "module-device-manager"))
+ if (pa_streq(name, "module-device-manager"))
pa_ext_device_manager_command(c, tag, t);
+ else if (pa_streq(name, "module-device-restore"))
+ pa_ext_device_manager_command(c, tag, t);
+ else if (pa_streq(name, "module-stream-restore"))
+ pa_ext_stream_restore_command(c, tag, t);
else
pa_log(_("Received message for unknown extension '%s'"), name);
diff --git a/src/pulse/ext-device-restore.c b/src/pulse/ext-device-restore.c
new file mode 100644
index 00000000..938d4664
--- /dev/null
+++ b/src/pulse/ext-device-restore.c
@@ -0,0 +1,346 @@
+/***
+ This file is part of PulseAudio.
+
+ Copyright 2008 Lennart Poettering
+ Copyright 2011 Colin Guthrie
+
+ PulseAudio is free software; you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as published
+ by the Free Software Foundation; either version 2.1 of the License,
+ or (at your option) any later version.
+
+ PulseAudio is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with PulseAudio; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ USA.
+***/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <pulse/context.h>
+#include <pulse/gccmacro.h>
+#include <pulse/xmalloc.h>
+#include <pulse/fork-detect.h>
+#include <pulse/operation.h>
+#include <pulse/format.h>
+
+#include <pulsecore/macro.h>
+#include <pulsecore/pstream-util.h>
+
+#include "internal.h"
+#include "ext-device-restore.h"
+
+/* Protocol extention commands */
+enum {
+ SUBCOMMAND_TEST,
+ SUBCOMMAND_SUBSCRIBE,
+ SUBCOMMAND_EVENT,
+ SUBCOMMAND_READ_SINK_FORMATS_ALL,
+ SUBCOMMAND_READ_SINK_FORMATS,
+ SUBCOMMAND_SAVE_SINK_FORMATS
+};
+
+static void ext_device_restore_test_cb(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+ pa_operation *o = userdata;
+ uint32_t version = PA_INVALID_INDEX;
+
+ pa_assert(pd);
+ pa_assert(o);
+ pa_assert(PA_REFCNT_VALUE(o) >= 1);
+
+ if (!o->context)
+ goto finish;
+
+ if (command != PA_COMMAND_REPLY) {
+ if (pa_context_handle_error(o->context, command, t, FALSE) < 0)
+ goto finish;
+
+ } else if (pa_tagstruct_getu32(t, &version) < 0 ||
+ !pa_tagstruct_eof(t)) {
+
+ pa_context_fail(o->context, PA_ERR_PROTOCOL);
+ goto finish;
+ }
+
+ if (o->callback) {
+ pa_ext_device_restore_test_cb_t cb = (pa_ext_device_restore_test_cb_t) o->callback;
+ cb(o->context, version, o->userdata);
+ }
+
+finish:
+ pa_operation_done(o);
+ pa_operation_unref(o);
+}
+
+pa_operation *pa_ext_device_restore_test(
+ pa_context *c,
+ pa_ext_device_restore_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-restore");
+ pa_tagstruct_putu32(t, SUBCOMMAND_TEST);
+ pa_pstream_send_tagstruct(c->pstream, t);
+ pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, ext_device_restore_test_cb, pa_operation_ref(o), (pa_free_cb_t) pa_operation_unref);
+
+ return o;
+}
+
+pa_operation *pa_ext_device_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-device-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;
+}
+
+void pa_ext_device_restore_set_subscribe_cb(
+ pa_context *c,
+ pa_ext_device_restore_subscribe_cb_t cb,
+ void *userdata) {
+
+ pa_assert(c);
+ pa_assert(PA_REFCNT_VALUE(c) >= 1);
+
+ if (pa_detect_fork())
+ return;
+
+ c->ext_device_restore.callback = cb;
+ c->ext_device_restore.userdata = userdata;
+}
+
+static void ext_device_restore_read_device_formats_cb(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+ pa_operation *o = userdata;
+ int eol = 1;
+
+ pa_assert(pd);
+ pa_assert(o);
+ pa_assert(PA_REFCNT_VALUE(o) >= 1);
+
+ if (!o->context)
+ goto finish;
+
+ if (command != PA_COMMAND_REPLY) {
+ if (pa_context_handle_error(o->context, command, t, FALSE) < 0)
+ goto finish;
+
+ eol = -1;
+ } else {
+ uint8_t j;
+
+ while (!pa_tagstruct_eof(t)) {
+ pa_ext_device_restore_info i;
+ pa_zero(i);
+
+ if (pa_tagstruct_getu32(t, &i.index) < 0 ||
+ pa_tagstruct_getu8(t, &i.n_formats) < 0) {
+
+ pa_context_fail(o->context, PA_ERR_PROTOCOL);
+ goto finish;
+ }
+
+ if (i.n_formats > 0) {
+ i.formats = pa_xnew0(pa_format_info*, i.n_formats);
+
+ for (j = 0; j < i.n_formats; j++) {
+
+ pa_format_info *f = i.formats[j] = pa_format_info_new();
+ if (pa_tagstruct_get_format_info(t, f) < 0) {
+ uint8_t k;
+
+ pa_context_fail(o->context, PA_ERR_PROTOCOL);
+ for (k = 0; k <= j; k++)
+ pa_format_info_free(i.formats[k]);
+ pa_xfree(i.formats);
+ goto finish;
+ }
+ }
+ }
+
+ if (o->callback) {
+ pa_ext_device_restore_read_device_formats_cb_t cb = (pa_ext_device_restore_read_device_formats_cb_t) o->callback;
+ cb(o->context, &i, 0, o->userdata);
+ }
+
+ for (j = 0; j < i.n_formats; j++)
+ pa_format_info_free(i.formats[j]);
+ pa_xfree(i.formats);
+ }
+ }
+
+ if (o->callback) {
+ pa_ext_device_restore_read_device_formats_cb_t cb = (pa_ext_device_restore_read_device_formats_cb_t) o->callback;
+ cb(o->context, NULL, eol, o->userdata);
+ }
+
+finish:
+ pa_operation_done(o);
+ pa_operation_unref(o);
+}
+
+pa_operation *pa_ext_device_restore_read_sink_formats_all(
+ pa_context *c,
+ pa_ext_device_restore_read_device_formats_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-restore");
+ pa_tagstruct_putu32(t, SUBCOMMAND_READ_SINK_FORMATS_ALL);
+ pa_pstream_send_tagstruct(c->pstream, t);
+ pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, ext_device_restore_read_device_formats_cb, pa_operation_ref(o), (pa_free_cb_t) pa_operation_unref);
+
+ return o;
+}
+
+pa_operation *pa_ext_device_restore_read_sink_formats(
+ pa_context *c,
+ uint32_t idx,
+ pa_ext_device_restore_read_device_formats_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_assert(idx != PA_INVALID_INDEX);
+
+ 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-restore");
+ pa_tagstruct_putu32(t, SUBCOMMAND_READ_SINK_FORMATS);
+ pa_tagstruct_putu32(t, idx);
+ pa_pstream_send_tagstruct(c->pstream, t);
+ pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, ext_device_restore_read_device_formats_cb, pa_operation_ref(o), (pa_free_cb_t) pa_operation_unref);
+
+ return o;
+}
+
+pa_operation *pa_ext_device_restore_save_sink_formats(
+ pa_context *c,
+ uint32_t idx,
+ uint8_t n_formats,
+ pa_format_info **formats,
+ pa_context_success_cb_t cb,
+ void *userdata) {
+
+ uint32_t tag;
+ pa_operation *o;
+ pa_tagstruct *t;
+ uint8_t j;
+
+ pa_assert(c);
+ pa_assert(PA_REFCNT_VALUE(c) >= 1);
+ pa_assert(idx != PA_INVALID_INDEX);
+ pa_assert(n_formats > 0);
+ pa_assert(formats && *formats);
+
+ 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-restore");
+ pa_tagstruct_putu32(t, SUBCOMMAND_SAVE_SINK_FORMATS);
+
+ pa_tagstruct_putu32(t, idx);
+ pa_tagstruct_putu8(t, n_formats);
+ for (j = 0; j < n_formats; j++)
+ pa_tagstruct_put_format_info(t, formats[j]);
+
+ 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;
+}
+
+/* Command function defined in internal.h */
+void pa_ext_device_restore_command(pa_context *c, uint32_t tag, pa_tagstruct *t) {
+ uint32_t subcommand;
+
+ pa_assert(c);
+ pa_assert(PA_REFCNT_VALUE(c) >= 1);
+ pa_assert(t);
+
+ if (pa_tagstruct_getu32(t, &subcommand) < 0 ||
+ !pa_tagstruct_eof(t)) {
+
+ pa_context_fail(c, PA_ERR_PROTOCOL);
+ return;
+ }
+
+ if (subcommand != SUBCOMMAND_EVENT) {
+ pa_context_fail(c, PA_ERR_PROTOCOL);
+ return;
+ }
+
+ if (c->ext_device_restore.callback)
+ c->ext_device_restore.callback(c, c->ext_device_restore.userdata);
+}
diff --git a/src/pulse/ext-device-restore.h b/src/pulse/ext-device-restore.h
new file mode 100644
index 00000000..eb0619cd
--- /dev/null
+++ b/src/pulse/ext-device-restore.h
@@ -0,0 +1,106 @@
+#ifndef foopulseextdevicerestorehfoo
+#define foopulseextdevicerestorehfoo
+
+/***
+ This file is part of PulseAudio.
+
+ Copyright 2008 Lennart Poettering
+ Copyright 2011 Colin Guthrie
+
+ PulseAudio is free software; you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as published
+ by the Free Software Foundation; either version 2.1 of the License,
+ or (at your option) any later version.
+
+ PulseAudio is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with PulseAudio; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ USA.
+***/
+
+#include <pulse/context.h>
+#include <pulse/version.h>
+
+/** \file
+ *
+ * Routines for controlling module-device-restore
+ */
+
+PA_C_DECL_BEGIN
+
+/** Stores information about one device in the device database that is
+ * maintained by module-device-manager. \since 1.0 */
+typedef struct pa_ext_device_restore_info {
+ uint32_t index; /**< The device index */
+ uint8_t n_formats; /**< How many formats do we have? */
+ pa_format_info **formats; /**< An array of formats (may be NULL if n_formats == 0) */
+} pa_ext_device_restore_info;
+
+/** Callback prototype for pa_ext_device_restore_test(). \since 1.0 */
+typedef void (*pa_ext_device_restore_test_cb_t)(
+ pa_context *c,
+ uint32_t version,
+ void *userdata);
+
+/** Test if this extension module is available in the server. \since 1.0 */
+pa_operation *pa_ext_device_restore_test(
+ pa_context *c,
+ pa_ext_device_restore_test_cb_t cb,
+ void *userdata);
+
+/** Subscribe to changes in the device database. \since 1.0 */
+pa_operation *pa_ext_device_restore_subscribe(
+ pa_context *c,
+ int enable,
+ pa_context_success_cb_t cb,
+ void *userdata);
+
+/** Callback prototype for pa_ext_device_restore_set_subscribe_cb(). \since 1.0 */
+typedef void (*pa_ext_device_restore_subscribe_cb_t)(
+ pa_context *c,
+ void *userdata);
+
+/** Set the subscription callback that is called when
+ * pa_ext_device_restore_subscribe() was called. \since 1.0 */
+void pa_ext_device_restore_set_subscribe_cb(
+ pa_context *c,
+ pa_ext_device_restore_subscribe_cb_t cb,
+ void *userdata);
+
+/** Callback prototype for pa_ext_device_restore_read_sink_formats(). \since 1.0 */
+typedef void (*pa_ext_device_restore_read_device_formats_cb_t)(
+ pa_context *c,
+ const pa_ext_device_restore_info *info,
+ int eol,
+ void *userdata);
+
+/** Read the formats for all present sinks from the device database. \since 1.0 */
+pa_operation *pa_ext_device_restore_read_sink_formats_all(
+ pa_context *c,
+ pa_ext_device_restore_read_device_formats_cb_t cb,
+ void *userdata);
+
+/** Read an entry from the device database. \since 1.0 */
+pa_operation *pa_ext_device_restore_read_sink_formats(
+ pa_context *c,
+ uint32_t idx,
+ pa_ext_device_restore_read_device_formats_cb_t cb,
+ void *userdata);
+
+/** Read an entry from the device database. \since 1.0 */
+pa_operation *pa_ext_device_restore_save_sink_formats(
+ pa_context *c,
+ uint32_t idx,
+ uint8_t n_formats,
+ pa_format_info **formats,
+ pa_context_success_cb_t cb,
+ void *userdata);
+
+PA_C_DECL_END
+
+#endif
diff --git a/src/pulse/internal.h b/src/pulse/internal.h
index 40f6804a..92379094 100644
--- a/src/pulse/internal.h
+++ b/src/pulse/internal.h
@@ -29,6 +29,7 @@
#include <pulse/operation.h>
#include <pulse/subscribe.h>
#include <pulse/ext-device-manager.h>
+#include <pulse/ext-device-restore.h>
#include <pulse/ext-stream-restore.h>
#include <pulsecore/socket-client.h>
@@ -107,6 +108,10 @@ struct pa_context {
void *userdata;
} ext_device_manager;
struct {
+ pa_ext_device_restore_subscribe_cb_t callback;
+ void *userdata;
+ } ext_device_restore;
+ struct {
pa_ext_stream_restore_subscribe_cb_t callback;
void *userdata;
} ext_stream_restore;
@@ -294,6 +299,7 @@ pa_tagstruct *pa_tagstruct_command(pa_context *c, uint32_t command, uint32_t *ta
PA_FAIL_RETURN_ANY(context, error, NULL)
void pa_ext_device_manager_command(pa_context *c, uint32_t tag, pa_tagstruct *t);
+void pa_ext_device_restore_command(pa_context *c, uint32_t tag, pa_tagstruct *t);
void pa_ext_stream_restore_command(pa_context *c, uint32_t tag, pa_tagstruct *t);
void pa_format_info_free2(pa_format_info *f, void *userdata);