110 lines
3.8 KiB
C++
110 lines
3.8 KiB
C++
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#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, see <http://www.gnu.org/licenses/>.
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***/
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#include <pulse/cdecl.h>
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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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