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Merge pipewire-pulseaudio subtree

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Arun Raghavan 2019-11-03 15:20:57 +01:00
commit 37a72b2531
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pipewire-pulseaudio/src/ext-stream-restore.c Normal file
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/* PipeWire
* Copyright (C) 2018 Wim Taymans <wim.taymans@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <pipewire/pipewire.h>
#include <pulse/ext-stream-restore.h>
#include "internal.h"
#define EXT_VERSION 1
struct stream_data {
pa_context *context;
pa_ext_stream_restore_test_cb_t test_cb;
pa_ext_stream_restore_read_cb_t read_cb;
pa_context_success_cb_t success_cb;
void *userdata;
};
static void restore_test(pa_operation *o, void *userdata)
{
struct stream_data *d = userdata;
if (d->test_cb)
d->test_cb(o->context, EXT_VERSION, d->userdata);
pa_operation_done(o);
}
SPA_EXPORT
pa_operation *pa_ext_stream_restore_test(
pa_context *c,
pa_ext_stream_restore_test_cb_t cb,
void *userdata)
{
pa_operation *o;
struct stream_data *d;
pa_assert(c);
pa_assert(c->refcount >= 1);
PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
o = pa_operation_new(c, NULL, restore_test, sizeof(struct stream_data));
d = o->userdata;
d->context = c;
d->test_cb = cb;
d->userdata = userdata;
pa_operation_sync(o);
return o;
}
static void restore_read(pa_operation *o, void *userdata)
{
struct stream_data *d = userdata;
if (d->read_cb)
d->read_cb(o->context, NULL, 1, d->userdata);
pa_operation_done(o);
}
SPA_EXPORT
pa_operation *pa_ext_stream_restore_read(
pa_context *c,
pa_ext_stream_restore_read_cb_t cb,
void *userdata)
{
pa_operation *o;
struct stream_data *d;
pa_assert(c);
pa_assert(c->refcount >= 1);
PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
o = pa_operation_new(c, NULL, restore_read, sizeof(struct stream_data));
d = o->userdata;
d->context = c;
d->read_cb = cb;
d->userdata = userdata;
pa_operation_sync(o);
return o;
}
static void on_success(pa_operation *o, void *userdata)
{
struct stream_data *d = userdata;
if (d->success_cb)
d->success_cb(o->context, PA_OK, d->userdata);
pa_operation_done(o);
}
SPA_EXPORT
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)
{
pa_operation *o;
struct stream_data *d;
pa_assert(c);
pa_assert(c->refcount >= 1);
PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
o = pa_operation_new(c, NULL, on_success, sizeof(struct stream_data));
d = o->userdata;
d->context = c;
d->success_cb = cb;
d->userdata = userdata;
pa_operation_sync(o);
return o;
}
/** Delete entries from the stream database. \since 0.9.12 */
SPA_EXPORT
pa_operation *pa_ext_stream_restore_delete(
pa_context *c,
const char *const s[],
pa_context_success_cb_t cb,
void *userdata)
{
pa_operation *o;
struct stream_data *d;
pa_assert(c);
pa_assert(c->refcount >= 1);
PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
o = pa_operation_new(c, NULL, on_success, sizeof(struct stream_data));
d = o->userdata;
d->context = c;
d->success_cb = cb;
d->userdata = userdata;
pa_operation_sync(o);
return o;
}
/** Subscribe to changes in the stream database. \since 0.9.12 */
SPA_EXPORT
pa_operation *pa_ext_stream_restore_subscribe(
pa_context *c,
int enable,
pa_context_success_cb_t cb,
void *userdata)
{
pa_operation *o;
struct stream_data *d;
pa_assert(c);
pa_assert(c->refcount >= 1);
PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
o = pa_operation_new(c, NULL, on_success, sizeof(struct stream_data));
d = o->userdata;
d->context = c;
d->success_cb = cb;
d->userdata = userdata;
pa_operation_sync(o);
return o;
}
/** Set the subscription callback that is called when
* pa_ext_stream_restore_subscribe() was called. \since 0.9.12 */
SPA_EXPORT
void pa_ext_stream_restore_set_subscribe_cb(
pa_context *c,
pa_ext_stream_restore_subscribe_cb_t cb,
void *userdata)
{
pw_log_warn("Not Implemented");
}