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alsa-acp: Add libacp based card device

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libacp is a port and wrapper around the pulseaudio card profile code.
It uses a set of templates for construct a card profile and mixer port
settings. It also has support for UCM when available for the hardware.
This commit is contained in:
Wim Taymans 2020-05-15 19:42:15 +02:00
parent 5c6247daef
commit 1612f5e4d2
31 changed files with 15304 additions and 11 deletions
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109
spa/plugins/alsa/acp/llist.h Normal file
View file

@ -0,0 +1,109 @@
#ifndef foollistfoo
#define foollistfoo
/***
This file is part of PulseAudio.
Copyright 2004-2006 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 2.1 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, see <http://www.gnu.org/licenses/>.
***/
/* Some macros for maintaining doubly linked lists */
/* The head of the linked list. Use this in the structure that shall
* contain the head of the linked list */
#define PA_LLIST_HEAD(t,name) \
t *name
/* The pointers in the linked list's items. Use this in the item structure */
#define PA_LLIST_FIELDS(t) \
t *next, *prev
/* Initialize the list's head */
#define PA_LLIST_HEAD_INIT(t,item) \
do { \
(item) = (t*) NULL; } \
while(0)
/* Initialize a list item */
#define PA_LLIST_INIT(t,item) \
do { \
t *_item = (item); \
pa_assert(_item); \
_item->prev = _item->next = NULL; \
} while(0)
/* Prepend an item to the list */
#define PA_LLIST_PREPEND(t,head,item) \
do { \
t **_head = &(head), *_item = (item); \
pa_assert(_item); \
if ((_item->next = *_head)) \
_item->next->prev = _item; \
_item->prev = NULL; \
*_head = _item; \
} while (0)
/* Remove an item from the list */
#define PA_LLIST_REMOVE(t,head,item) \
do { \
t **_head = &(head), *_item = (item); \
pa_assert(_item); \
if (_item->next) \
_item->next->prev = _item->prev; \
if (_item->prev) \
_item->prev->next = _item->next; \
else { \
pa_assert(*_head == _item); \
*_head = _item->next; \
} \
_item->next = _item->prev = NULL; \
} while(0)
/* Find the head of the list */
#define PA_LLIST_FIND_HEAD(t,item,head) \
do { \
t **_head = (head), *_item = (item); \
*_head = _item; \
pa_assert(_head); \
while ((*_head)->prev) \
*_head = (*_head)->prev; \
} while (0)
/* Insert an item after another one (a = where, b = what) */
#define PA_LLIST_INSERT_AFTER(t,head,a,b) \
do { \
t **_head = &(head), *_a = (a), *_b = (b); \
pa_assert(_b); \
if (!_a) { \
if ((_b->next = *_head)) \
_b->next->prev = _b; \
_b->prev = NULL; \
*_head = _b; \
} else { \
if ((_b->next = _a->next)) \
_b->next->prev = _b; \
_b->prev = _a; \
_a->next = _b; \
} \
} while (0)
#define PA_LLIST_FOREACH(i,head) \
for (i = (head); i; i = i->next)
#define PA_LLIST_FOREACH_SAFE(i,n,head) \
for (i = (head); i && ((n = i->next), 1); i = n)
#endif