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/* 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_CONNECTION_H__
#define __PINOS_CONNECTION_H__
#ifdef __cplusplus
extern "C" {
#endif
#include <spa/defs.h>
#include <spa/props.h>
#include <spa/format.h>
#include <spa/port.h>
#include <spa/node.h>
typedef struct _PinosConnection PinosConnection;
typedef enum {
PINOS_MESSAGE_INVALID = 0,
PINOS_MESSAGE_SYNC,
PINOS_MESSAGE_NOTIFY_DONE,
PINOS_MESSAGE_GET_REGISTRY,
PINOS_MESSAGE_REMOVE_ID,
PINOS_MESSAGE_CORE_INFO,
PINOS_MESSAGE_BIND,
PINOS_MESSAGE_NOTIFY_GLOBAL,
PINOS_MESSAGE_NOTIFY_GLOBAL_REMOVE,
PINOS_MESSAGE_CREATE_NODE,
PINOS_MESSAGE_CREATE_NODE_DONE,
PINOS_MESSAGE_CREATE_CLIENT_NODE,
PINOS_MESSAGE_CREATE_CLIENT_NODE_DONE,
PINOS_MESSAGE_DESTROY,
PINOS_MESSAGE_MODULE_INFO,
PINOS_MESSAGE_NODE_INFO,
PINOS_MESSAGE_CLIENT_INFO,
PINOS_MESSAGE_LINK_INFO,
/* client to server */
PINOS_MESSAGE_NODE_UPDATE,
PINOS_MESSAGE_PORT_UPDATE,
PINOS_MESSAGE_NODE_STATE_CHANGE,
PINOS_MESSAGE_PORT_STATUS_CHANGE,
PINOS_MESSAGE_NODE_EVENT,
/* server to client */
PINOS_MESSAGE_TRANSPORT_UPDATE,
PINOS_MESSAGE_ADD_PORT,
PINOS_MESSAGE_REMOVE_PORT,
PINOS_MESSAGE_SET_FORMAT,
PINOS_MESSAGE_SET_PROPERTY,
PINOS_MESSAGE_NODE_COMMAND,
PINOS_MESSAGE_PORT_COMMAND,
/* both */
PINOS_MESSAGE_ADD_MEM,
PINOS_MESSAGE_USE_BUFFERS,
} PinosMessageType;
#include <pinos/client/introspect.h>
/* PINOS_MESSAGE_SYNC */
typedef struct {
uint32_t seq;
} PinosMessageSync;
/* PINOS_MESSAGE_NOTIFY_DONE */
typedef struct {
uint32_t seq;
} PinosMessageNotifyDone;
/* PINOS_MESSAGE_GET_REGISTRY */
typedef struct {
uint32_t seq;
uint32_t new_id;
} PinosMessageGetRegistry;
/* PINOS_MESSAGE_REMOVE_ID */
typedef struct {
uint32_t id;
} PinosMessageRemoveId;
/* PINOS_MESSAGE_CORE_INFO */
typedef struct {
PinosCoreInfo *info;
} PinosMessageCoreInfo;
/* PINOS_MESSAGE_MODULE_INFO */
typedef struct {
PinosModuleInfo *info;
} PinosMessageModuleInfo;
/* PINOS_MESSAGE_NODE_INFO */
typedef struct {
PinosNodeInfo *info;
} PinosMessageNodeInfo;
/* PINOS_MESSAGE_CLIENT_INFO */
typedef struct {
PinosClientInfo *info;
} PinosMessageClientInfo;
/* PINOS_MESSAGE_LINK_INFO */
typedef struct {
PinosLinkInfo *info;
} PinosMessageLinkInfo;
/* PINOS_MESSAGE_BIND */
typedef struct {
uint32_t id;
uint32_t new_id;
} PinosMessageBind;
/* PINOS_MESSAGE_NOTIFY_GLOBAL */
typedef struct {
uint32_t id;
const char * type;
} PinosMessageNotifyGlobal;
/* PINOS_MESSAGE_NOTIFY_GLOBAL_REMOVE */
typedef struct {
uint32_t id;
} PinosMessageNotifyGlobalRemove;
/* PINOS_MESSAGE_CREATE_NODE */
typedef struct {
uint32_t seq;
const char *factory_name;
const char *name;
SpaDict *props;
uint32_t new_id;
} PinosMessageCreateNode;
/* PINOS_MESSAGE_CREATE_NODE_DONE */
typedef struct {
uint32_t seq;
} PinosMessageCreateNodeDone;
/* PINOS_MESSAGE_CREATE_CLIENT_NODE */
typedef struct {
uint32_t seq;
const char *name;
SpaDict *props;
uint32_t new_id;
} PinosMessageCreateClientNode;
/* PINOS_MESSAGE_CREATE_CLIENT_NODE_DONE */
typedef struct {
uint32_t seq;
int datafd;
} PinosMessageCreateClientNodeDone;
/* PINOS_MESSAGE_DESTROY */
typedef struct {
uint32_t seq;
uint32_t id;
} PinosMessageDestroy;
/* PINOS_MESSAGE_NODE_UPDATE */
typedef struct {
#define PINOS_MESSAGE_NODE_UPDATE_MAX_INPUTS (1 << 0)
#define PINOS_MESSAGE_NODE_UPDATE_MAX_OUTPUTS (1 << 1)
#define PINOS_MESSAGE_NODE_UPDATE_PROPS (1 << 2)
uint32_t change_mask;
unsigned int max_input_ports;
unsigned int max_output_ports;
const SpaProps *props;
} PinosMessageNodeUpdate;
/* PINOS_MESSAGE_PORT_UPDATE */
typedef struct {
SpaDirection direction;
uint32_t port_id;
#define PINOS_MESSAGE_PORT_UPDATE_POSSIBLE_FORMATS (1 << 0)
#define PINOS_MESSAGE_PORT_UPDATE_FORMAT (1 << 1)
#define PINOS_MESSAGE_PORT_UPDATE_PROPS (1 << 2)
#define PINOS_MESSAGE_PORT_UPDATE_INFO (1 << 3)
uint32_t change_mask;
unsigned int n_possible_formats;
SpaFormat **possible_formats;
SpaFormat *format;
const SpaProps *props;
const SpaPortInfo *info;
} PinosMessagePortUpdate;
/* PINOS_MESSAGE_NODE_STATE_CHANGE */
typedef struct {
SpaNodeState state;
} PinosMessageNodeStateChange;
/* PINOS_MESSAGE_PORT_STATUS_CHANGE */
/* PINOS_MESSAGE_NODE_EVENT */
typedef struct {
SpaNodeEvent *event;
} PinosMessageNodeEvent;
/* PINOS_MESSAGE_ADD_PORT */
typedef struct {
uint32_t seq;
SpaDirection direction;
uint32_t port_id;
} PinosMessageAddPort;
/* PINOS_MESSAGE_REMOVE_PORT */
typedef struct {
uint32_t seq;
SpaDirection direction;
uint32_t port_id;
} PinosMessageRemovePort;
/* PINOS_MESSAGE_SET_FORMAT */
typedef struct {
uint32_t seq;
SpaDirection direction;
uint32_t port_id;
SpaPortFormatFlags flags;
SpaFormat *format;
} PinosMessageSetFormat;
/* PINOS_MESSAGE_SET_PROPERTY */
typedef struct {
uint32_t seq;
uint32_t id;
size_t size;
void *value;
} PinosMessageSetProperty;
/* PINOS_MESSAGE_NODE_COMMAND */
typedef struct {
uint32_t seq;
SpaNodeCommand *command;
} PinosMessageNodeCommand;
/* PINOS_MESSAGE_PORT_COMMAND */
typedef struct {
uint32_t port_id;
SpaNodeCommand *command;
} PinosMessagePortCommand;
/* PINOS_MESSAGE_TRANSPORT_UPDATE */
typedef struct {
int memfd;
off_t offset;
size_t size;
} PinosMessageTransportUpdate;
/* PINOS_MESSAGE_ADD_MEM */
typedef struct {
SpaDirection direction;
uint32_t port_id;
uint32_t mem_id;
SpaDataType type;
int memfd;
uint32_t flags;
off_t offset;
size_t size;
} PinosMessageAddMem;
typedef struct {
uint32_t mem_id;
off_t offset;
size_t size;
} PinosMessageMemRef;
/* PINOS_MESSAGE_USE_BUFFERS */
typedef struct {
uint32_t seq;
SpaDirection direction;
uint32_t port_id;
unsigned int n_buffers;
PinosMessageMemRef *buffers;
} PinosMessageUseBuffers;
PinosConnection * pinos_connection_new (int fd);
void pinos_connection_destroy (PinosConnection *conn);
bool pinos_connection_get_next (PinosConnection *conn,
PinosMessageType *type,
uint32_t *dest_id,
size_t *size);
bool pinos_connection_parse_message (PinosConnection *conn,
void *msg);
bool pinos_connection_add_message (PinosConnection *conn,
uint32_t dest_id,
PinosMessageType type,
void *msg);
bool pinos_connection_flush (PinosConnection *conn);
bool pinos_connection_clear (PinosConnection *conn);
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* __PINOS_CONNECTION_H__ */
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