pulseaudio/polyp/memchunk.h
Lennart Poettering 0a2bbc528b * some commenting work
* add new field "read_only" to memory blocks
* add new API function pa_context_get_server()
* filter capture data through mcalign on client
* make module-tunnel use pa_socket_client_new_string() instead of using pa_resolve_server() directly.
* remove pa_resolve_server()
* remove debug.h and replace it by a macro definition on the gcc command line
* some strbuf cleanups
* small fixes in pa_stream for cleanup when server dies
* new CLI command "load-sample-dir-lazy"
* send FQDN as part of server info
* rework mcalign, this time with memory block merging
* fix iochannel cleanup when connection dies
* check getaddrinfo() results


git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@286 fefdeb5f-60dc-0310-8127-8f9354f1896f
2004-11-17 00:05:25 +00:00

45 lines
1.6 KiB
C

#ifndef foomemchunkhfoo
#define foomemchunkhfoo
/* $Id$ */
/***
This file is part of polypaudio.
polypaudio 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.
polypaudio 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with polypaudio; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA.
***/
#include "memblock.h"
/* A memchunk is a part of a memblock. In contrast to the memblock, a
* memchunk is not allocated dynamically or reference counted, instead
* it is usually stored on the stack and copied around */
struct pa_memchunk {
struct pa_memblock *memblock;
size_t index, length;
};
/* Make a memchunk writable, i.e. make sure that the caller may have
* exclusive access to the memblock and it is not read_only. If needed
* the memblock in the structure is replaced by a copy. */
void pa_memchunk_make_writable(struct pa_memchunk *c, struct pa_memblock_stat *s, size_t min);
/* Invalidate a memchunk. This does not free the cotaining memblock,
* but sets all members to zero. */
void pa_memchunk_reset(struct pa_memchunk *c);
#endif