From 35f99c6e31d90439f2bfbefb8b45cff323b40661 Mon Sep 17 00:00:00 2001
From: Colin Guthrie <colin@mageia.org>
Date: Tue, 7 Jun 2011 12:18:17 +0200
Subject: 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.
---
 src/pulse/ext-device-restore.h | 106 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 106 insertions(+)
 create mode 100644 src/pulse/ext-device-restore.h

(limited to 'src/pulse/ext-device-restore.h')

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
-- 
cgit