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			110 lines
		
	
	
	
		
			3.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			110 lines
		
	
	
	
		
			3.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
#ifndef foopulseextstreamrestorehfoo
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#define foopulseextstreamrestorehfoo
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/***
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  This file is part of PulseAudio.
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  Copyright 2008 Lennart Poettering
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  PulseAudio is free software; you can redistribute it and/or modify
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  it under the terms of the GNU Lesser General Public License as published
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  by the Free Software Foundation; either version 2.1 of the License,
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  or (at your option) any later version.
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  PulseAudio is distributed in the hope that it will be useful, but
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  WITHOUT ANY WARRANTY; without even the implied warranty of
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  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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  General Public License for more details.
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  You should have received a copy of the GNU Lesser General Public License
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  along with PulseAudio; if not, write to the Free Software
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  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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  USA.
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***/
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#include <pulse/context.h>
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#include <pulse/version.h>
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#include <pulse/volume.h>
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#include <pulse/channelmap.h>
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/** \file
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 *
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 * Routines for controlling module-stream-restore
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 */
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PA_C_DECL_BEGIN
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/** Stores information about one entry in the stream database that is
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 * maintained by module-stream-restore. \since 0.9.12 */
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typedef struct pa_ext_stream_restore_info {
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    const char *name;            /**< Identifier string of the stream. A string like "sink-input-by-role:" or similar followed by some arbitrary property value. */
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    pa_channel_map channel_map;  /**< The channel map for the volume field, if applicable */
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    pa_cvolume volume;           /**< The volume of the stream when it was seen last, if applicable and saved */
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    const char *device;          /**< The sink/source of the stream when it was last seen, if applicable and saved */
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    int mute;                    /**< The boolean mute state of the stream when it was last seen, if applicable and saved */
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} pa_ext_stream_restore_info;
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/** Callback prototype for pa_ext_stream_restore_test(). \since 0.9.12 */
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typedef void (*pa_ext_stream_restore_test_cb_t)(
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        pa_context *c,
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        uint32_t version,
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        void *userdata);
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/** Test if this extension module is available in the server. \since 0.9.12 */
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pa_operation *pa_ext_stream_restore_test(
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        pa_context *c,
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        pa_ext_stream_restore_test_cb_t cb,
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        void *userdata);
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/** Callback prototype for pa_ext_stream_restore_read(). \since 0.9.12 */
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typedef void (*pa_ext_stream_restore_read_cb_t)(
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        pa_context *c,
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        const pa_ext_stream_restore_info *info,
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        int eol,
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        void *userdata);
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/** Read all entries from the stream database. \since 0.9.12 */
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pa_operation *pa_ext_stream_restore_read(
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        pa_context *c,
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        pa_ext_stream_restore_read_cb_t cb,
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        void *userdata);
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/** Store entries in the stream database. \since 0.9.12 */
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pa_operation *pa_ext_stream_restore_write(
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        pa_context *c,
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        pa_update_mode_t mode,
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        const pa_ext_stream_restore_info data[],
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        unsigned n,
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        int apply_immediately,
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        pa_context_success_cb_t cb,
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        void *userdata);
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/** Delete entries from the stream database. \since 0.9.12 */
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pa_operation *pa_ext_stream_restore_delete(
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        pa_context *c,
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        const char *const s[],
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        pa_context_success_cb_t cb,
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        void *userdata);
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/** Subscribe to changes in the stream database. \since 0.9.12 */
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pa_operation *pa_ext_stream_restore_subscribe(
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        pa_context *c,
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        int enable,
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        pa_context_success_cb_t cb,
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        void *userdata);
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/** Callback prototype for pa_ext_stream_restore_set_subscribe_cb(). \since 0.9.12 */
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typedef void (*pa_ext_stream_restore_subscribe_cb_t)(
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        pa_context *c,
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        void *userdata);
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/** Set the subscription callback that is called when
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 * pa_ext_stream_restore_subscribe() was called. \since 0.9.12 */
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void pa_ext_stream_restore_set_subscribe_cb(
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        pa_context *c,
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        pa_ext_stream_restore_subscribe_cb_t cb,
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        void *userdata);
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PA_C_DECL_END
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#endif
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