mirrors/pipewire
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/pipewire/pipewire.git synced 2025-11-15 07:00:05 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

Rework transport protocol

Browse source 
Use a more simple tranport protocol for the realtime data. Use a piece
of shared memory and a socket where we use a 1byte read/write to trigger
remote actions. Also use a ringbuffer for events.
This commit is contained in:
Wim Taymans 2016-11-07 10:24:13 +01:00
parent 7e46f9e3ad
commit b774b99db5
22 changed files with 797 additions and 364 deletions
Download patch file Download diff file Expand all files Collapse all files

57
pinos/client/mem.h Normal file
View file

@ -0,0 +1,57 @@
/* Pinos
* Copyright (C) 2016 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.
*/
#ifndef __PINOS_MEM_H__
#define __PINOS_MEM_H__
#include <spa/defs.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef struct _PinosMemblock PinosMemblock;
typedef enum {
PINOS_MEMBLOCK_FLAG_NONE = 0,
PINOS_MEMBLOCK_FLAG_WITH_FD = (1 << 0),
PINOS_MEMBLOCK_FLAG_MAP_READ = (1 << 1),
PINOS_MEMBLOCK_FLAG_MAP_WRITE = (1 << 2),
PINOS_MEMBLOCK_FLAG_SEAL = (1 << 3),
} PinosMemblockFlags;
#define PINOS_MEMBLOCK_FLAG_MAP_READWRITE (PINOS_MEMBLOCK_FLAG_MAP_READ | PINOS_MEMBLOCK_FLAG_MAP_WRITE)
struct _PinosMemblock {
PinosMemblockFlags flags;
int fd;
void *ptr;
size_t size;
};
SpaResult pinos_memblock_alloc (PinosMemblockFlags flags,
size_t size,
PinosMemblock *mem);
void pinos_memblock_free (PinosMemblock *mem);
#ifdef __cplusplus
}
#endif
#endif /* __PINOS_MEM_H__ */