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Diffstat (limited to 'src/pulse/ext-stream-restore.h')
| -rw-r--r-- | src/pulse/ext-stream-restore.h | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/src/pulse/ext-stream-restore.h b/src/pulse/ext-stream-restore.h new file mode 100644 index 00000000..2038eb4a --- /dev/null +++ b/src/pulse/ext-stream-restore.h @@ -0,0 +1,107 @@ +#ifndef foopulseextstreamrestorehfoo +#define foopulseextstreamrestorehfoo + +/*** + This file is part of PulseAudio. + + Copyright 2008 Lennart Poettering + + 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 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> + +/** \file + * + * Routines for controlling module-stream-restore + */ + +PA_C_DECL_BEGIN + +/** Stores information about one entry in the stream database that is + * maintained by module-stream-restore. \since 0.9.12 */ +typedef struct pa_ext_stream_restore_info { + const char *name; /**< Identifier string of the stream. A string like "sink-input-by-role:" or similar followed by some arbitrary property value. */ + pa_channel_map channel_map; /**< The channel map for the volume field */ + pa_cvolume volume; /**< The volume of the stream when it was seen last, if applicable */ + const char *device; /**< The sink/source of the stream when it was last seen */ + int mute; /**< The boolean mute state of the stream when it was last seen, if applicable */ +} pa_ext_stream_restore_info; + +/** Callback prototype for pa_ext_stream_restore_test(). \since 0.9.12 */ +typedef void (*pa_ext_stream_restore_test_cb_t)( + pa_context *c, + uint32_t version, + void *userdata); + +/** Test if this extension module is available in the server. \since 0.9.12 */ +pa_operation *pa_ext_stream_restore_test( + pa_context *c, + pa_ext_stream_restore_test_cb_t cb, + void *userdata); + +/** Callback prototype for pa_ext_stream_restore_read(). \since 0.9.12 */ +typedef void (*pa_ext_stream_restore_read_cb_t)( + pa_context *c, + const pa_ext_stream_restore_info *info, + int eol, + void *userdata); + +/** Read all entries from the stream database. \since 0.9.12 */ +pa_operation *pa_ext_stream_restore_read( + pa_context *c, + pa_ext_stream_restore_read_cb_t cb, + void *userdata); + +/** Store entries in the stream database. \since 0.9.12 */ +pa_operation *pa_ext_stream_restore_write( + pa_context *c, + pa_update_mode_t mode, + const pa_ext_stream_restore_info data[], + unsigned n, + int apply_immediately, + pa_context_success_cb_t cb, + void *userdata); + +/** Delete entries from the stream database. \since 0.9.12 */ +pa_operation *pa_ext_stream_restore_delete( + pa_context *c, + const char *const s[], + pa_context_success_cb_t cb, + void *userdata); + +/** Subscribe to changes in the stream database. \since 0.9.12 */ +pa_operation *pa_ext_stream_restore_subscribe( + pa_context *c, + int enable, + pa_context_success_cb_t cb, + void *userdata); + +/** Callback prototype for pa_ext_stream_restore_set_subscribe_cb(). \since 0.9.12 */ +typedef void (*pa_ext_stream_restore_subscribe_cb_t)( + pa_context *c, + void *userdata); + +/** Set the subscription callback that is called when + * pa_ext_stream_restore_subscribe() was called. \since 0.9.12 */ +void pa_ext_stream_restore_set_subscribe_cb( + pa_context *c, + pa_ext_stream_restore_subscribe_cb_t cb, + void *userdata); + +PA_C_DECL_END + +#endif |