mirrors/pipewire
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/pipewire/pipewire.git synced 2025-11-05 13:30:02 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

Merge pipewire-jack subtree

Browse source
This commit is contained in:
Arun Raghavan 2019-11-03 15:20:56 +01:00
commit 863a642e08
9 changed files with 5648 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

102
pipewire-jack/src/uuid.c Normal file
View file

@ -0,0 +1,102 @@
/* 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdio.h>
#include <unistd.h>
#include <sys/mman.h>
#include <jack/uuid.h>
#include <pipewire/pipewire.h>
SPA_EXPORT
jack_uuid_t jack_client_uuid_generate ()
{
static uint32_t uuid_cnt = 0;
jack_uuid_t uuid = 0x2; /* JackUUIDClient */;
uuid = (uuid << 32) | ++uuid_cnt;
pw_log_debug("uuid %"PRIu64, uuid);
return uuid;
}
SPA_EXPORT
jack_uuid_t jack_port_uuid_generate (uint32_t port_id)
{
jack_uuid_t uuid = 0x1; /* JackUUIDPort */
uuid = (uuid << 32) | (port_id + 1);
pw_log_debug("uuid %d -> %"PRIu64, port_id, uuid);
return uuid;
}
SPA_EXPORT
uint32_t jack_uuid_to_index (jack_uuid_t id)
{
return (id & 0xffff) - 1;
}
SPA_EXPORT
int jack_uuid_compare (jack_uuid_t id1, jack_uuid_t id2)
{
if (id1 == id2)
return 0;
if (id1 < id2)
return -1;
return 1;
}
SPA_EXPORT
void jack_uuid_copy (jack_uuid_t* dst, jack_uuid_t src)
{
*dst = src;
}
SPA_EXPORT
void jack_uuid_clear (jack_uuid_t *id)
{
*id = 0;
}
SPA_EXPORT
int jack_uuid_parse (const char *buf, jack_uuid_t *id)
{
if (sscanf (buf, "%" PRIu64, id) == 1) {
if (*id < (0x1LL << 32)) {
/* has not type bits set - not legal */
return -1;
}
return 0;
}
return -1;
}
SPA_EXPORT
void jack_uuid_unparse (jack_uuid_t id, char buf[JACK_UUID_STRING_SIZE])
{
snprintf (buf, JACK_UUID_STRING_SIZE, "%" PRIu64, id);
}
SPA_EXPORT
int jack_uuid_empty (jack_uuid_t id)
{
return id == 0;
}