mirror of
https://gitlab.freedesktop.org/pipewire/pipewire.git
synced 2025-10-31 22:25:38 -04:00
e88a376d7c
We can optimize the transport some more if we allow the host to configure the area used for transfering buffers. We can then also place the current status in the area and avoid calling get_status(). We can also allocate this area in shared memory, avoiding a memcpy in the client-node.
89 lines
2.8 KiB
C
89 lines
2.8 KiB
C
/* Simple Plugin API
|
|
* 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_TRANSPORT_H__
|
|
#define __PINOS_TRANSPORT_H__
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
typedef struct _PinosTransport PinosTransport;
|
|
typedef struct _PinosTransportArea PinosTransportArea;
|
|
|
|
#include <string.h>
|
|
|
|
#include <spa/defs.h>
|
|
#include <spa/port.h>
|
|
#include <spa/node.h>
|
|
|
|
#include <pinos/client/connection.h>
|
|
#include <pinos/client/mem.h>
|
|
|
|
#define PINOS_TRANSPORT_CMD_NONE 0
|
|
#define PINOS_TRANSPORT_CMD_NEED_DATA (1<<0)
|
|
#define PINOS_TRANSPORT_CMD_HAVE_DATA (1<<1)
|
|
#define PINOS_TRANSPORT_CMD_HAVE_EVENT (1<<2)
|
|
#define PINOS_TRANSPORT_CMD_SYNC (1<<3)
|
|
|
|
typedef struct {
|
|
int memfd;
|
|
off_t offset;
|
|
size_t size;
|
|
} PinosTransportInfo;
|
|
|
|
struct _PinosTransportArea {
|
|
unsigned int max_inputs;
|
|
unsigned int n_inputs;
|
|
unsigned int max_outputs;
|
|
unsigned int n_outputs;
|
|
};
|
|
|
|
struct _PinosTransport {
|
|
PinosTransportArea *area;
|
|
SpaPortInput *inputs;
|
|
SpaPortOutput *outputs;
|
|
void *input_data;
|
|
SpaRingbuffer *input_buffer;
|
|
void *output_data;
|
|
SpaRingbuffer *output_buffer;
|
|
};
|
|
|
|
PinosTransport * pinos_transport_new (unsigned int max_inputs,
|
|
unsigned int max_outputs);
|
|
PinosTransport * pinos_transport_new_from_info (PinosTransportInfo *info);
|
|
|
|
void pinos_transport_free (PinosTransport *trans);
|
|
|
|
SpaResult pinos_transport_get_info (PinosTransport *trans,
|
|
PinosTransportInfo *info);
|
|
|
|
SpaResult pinos_transport_add_event (PinosTransport *trans,
|
|
SpaNodeEvent *event);
|
|
|
|
SpaResult pinos_transport_next_event (PinosTransport *trans,
|
|
SpaNodeEvent *event);
|
|
SpaResult pinos_transport_parse_event (PinosTransport *trans,
|
|
void *event);
|
|
|
|
#ifdef __cplusplus
|
|
} /* extern "C" */
|
|
#endif
|
|
|
|
#endif /* __PINOS_TRANSPORT_H__ */
|