pipewire/src/modules/module-protocol-pulse/defs.h
Barnabás Pőcze 27b76ae686 pulse-server: calculate event mask from facility and type
Make `client_queue_subscribe_event()` take the facility and type
separately, and calculate the mask itself, so that the caller
does not need to be concerned with that.
2024-09-18 19:35:08 +02:00

327 lines
9.1 KiB
C

/* PipeWire */
/* SPDX-FileCopyrightText: Copyright © 2020 Wim Taymans */
/* SPDX-License-Identifier: MIT */
#ifndef PULSE_SERVER_DEFS_H
#define PULSE_SERVER_DEFS_H
#include <pipewire/node.h>
#define FLAG_SHMDATA 0x80000000LU
#define FLAG_SHMDATA_MEMFD_BLOCK 0x20000000LU
#define FLAG_SHMRELEASE 0x40000000LU
#define FLAG_SHMREVOKE 0xC0000000LU
#define FLAG_SHMMASK 0xFF000000LU
#define FLAG_SEEKMASK 0x000000FFLU
#define FLAG_SHMWRITABLE 0x00800000LU
#define SEEK_RELATIVE 0
#define SEEK_ABSOLUTE 1
#define SEEK_RELATIVE_ON_READ 2
#define SEEK_RELATIVE_END 3
#define FRAME_SIZE_MAX_ALLOW (1024*1024*16)
#define PROTOCOL_FLAG_MASK 0xffff0000u
#define PROTOCOL_VERSION_MASK 0x0000ffffu
#define PROTOCOL_VERSION 35
#define NATIVE_COOKIE_LENGTH 256
#define MAX_TAG_SIZE (64*1024)
#define MIN_BUFFERS 1u
#define MAX_BUFFERS 4u
#define MAXLENGTH (4u*1024*1024) /* 4MB */
#define SCACHE_ENTRY_SIZE_MAX (1024*1024*16)
#define MODULE_INDEX_MASK 0xfffffffu
#define MODULE_FLAG (1u << 29)
#define DEFAULT_SINK "@DEFAULT_SINK@"
#define DEFAULT_SOURCE "@DEFAULT_SOURCE@"
#define DEFAULT_MONITOR "@DEFAULT_MONITOR@"
enum error_code {
ERR_OK = 0, /**< No error */
ERR_ACCESS, /**< Access failure */
ERR_COMMAND, /**< Unknown command */
ERR_INVALID, /**< Invalid argument */
ERR_EXIST, /**< Entity exists */
ERR_NOENTITY, /**< No such entity */
ERR_CONNECTIONREFUSED, /**< Connection refused */
ERR_PROTOCOL, /**< Protocol error */
ERR_TIMEOUT, /**< Timeout */
ERR_AUTHKEY, /**< No authentication key */
ERR_INTERNAL, /**< Internal error */
ERR_CONNECTIONTERMINATED, /**< Connection terminated */
ERR_KILLED, /**< Entity killed */
ERR_INVALIDSERVER, /**< Invalid server */
ERR_MODINITFAILED, /**< Module initialization failed */
ERR_BADSTATE, /**< Bad state */
ERR_NODATA, /**< No data */
ERR_VERSION, /**< Incompatible protocol version */
ERR_TOOLARGE, /**< Data too large */
ERR_NOTSUPPORTED, /**< Operation not supported \since 0.9.5 */
ERR_UNKNOWN, /**< The error code was unknown to the client */
ERR_NOEXTENSION, /**< Extension does not exist. \since 0.9.12 */
ERR_OBSOLETE, /**< Obsolete functionality. \since 0.9.15 */
ERR_NOTIMPLEMENTED, /**< Missing implementation. \since 0.9.15 */
ERR_FORKED, /**< The caller forked without calling execve() and tried to reuse the context. \since 0.9.15 */
ERR_IO, /**< An IO error happened. \since 0.9.16 */
ERR_BUSY, /**< Device or resource busy. \since 0.9.17 */
ERR_MAX /**< Not really an error but the first invalid error code */
};
static inline int res_to_err(int res)
{
switch (res) {
case 0: return ERR_OK;
case -EACCES: case -EPERM: return ERR_ACCESS;
case -ENOTTY: return ERR_COMMAND;
case -EINVAL: return ERR_INVALID;
case -EEXIST: return ERR_EXIST;
case -ENOENT: case -ESRCH: case -ENXIO: case -ENODEV: return ERR_NOENTITY;
case -ECONNREFUSED:
#ifdef ENONET
case -ENONET:
#endif
case -EHOSTDOWN: case -ENETDOWN: return ERR_CONNECTIONREFUSED;
case -EPROTO: case -EBADMSG: return ERR_PROTOCOL;
case -ETIMEDOUT:
#ifdef ETIME
case -ETIME:
#endif
return ERR_TIMEOUT;
#ifdef ENOKEY
case -ENOKEY: return ERR_AUTHKEY;
#endif
case -ECONNRESET: case -EPIPE: return ERR_CONNECTIONTERMINATED;
#ifdef EBADFD
case -EBADFD: return ERR_BADSTATE;
#endif
#ifdef ENODATA
case -ENODATA: return ERR_NODATA;
#endif
case -EOVERFLOW: case -E2BIG: case -EFBIG:
case -ERANGE: case -ENAMETOOLONG: return ERR_TOOLARGE;
case -ENOTSUP: case -EPROTONOSUPPORT: case -ESOCKTNOSUPPORT: return ERR_NOTSUPPORTED;
case -ENOSYS: return ERR_NOTIMPLEMENTED;
case -EIO: return ERR_IO;
case -EBUSY: return ERR_BUSY;
case -ENFILE: case -EMFILE: return ERR_INTERNAL;
}
return ERR_UNKNOWN;
}
static inline int err_to_res(int err)
{
switch (err) {
case ERR_OK: return 0;
case ERR_ACCESS: return -EACCES;
case ERR_COMMAND: return -ENOTTY;
case ERR_INVALID: return -EINVAL;
case ERR_EXIST: return -EEXIST;
case ERR_NOENTITY: return -ENOENT;
case ERR_CONNECTIONREFUSED: return -ECONNREFUSED;
case ERR_PROTOCOL: return -EPROTO;
case ERR_TIMEOUT: return -ETIMEDOUT;
#ifdef ENOKEY
case ERR_AUTHKEY: return -ENOKEY;
#endif
case ERR_INTERNAL: return -ENFILE;
case ERR_CONNECTIONTERMINATED: return -ECONNRESET;
case ERR_KILLED: return -EFAULT;
case ERR_INVALIDSERVER: return -EINVAL;
case ERR_MODINITFAILED: return -EIO;
#ifdef EBADFD
case ERR_BADSTATE: return -EBADFD;
#endif
case ERR_NODATA: return -ENODATA;
case ERR_VERSION: return -EPROTO;
case ERR_TOOLARGE: return -E2BIG;
case ERR_NOTSUPPORTED: return -ENOTSUP;
case ERR_UNKNOWN: return -EIO;
case ERR_NOEXTENSION: return -ENOTTY;
case ERR_OBSOLETE: return -ENOTSUP;
case ERR_NOTIMPLEMENTED: return -ENOSYS;
case ERR_FORKED: return -EIO;
case ERR_IO: return -EIO;
case ERR_BUSY: return -EBUSY;
}
return -EIO;
}
enum {
SUBSCRIPTION_EVENT_SINK = 0x0000U,
SUBSCRIPTION_EVENT_SOURCE = 0x0001U,
SUBSCRIPTION_EVENT_SINK_INPUT = 0x0002U,
SUBSCRIPTION_EVENT_SOURCE_OUTPUT = 0x0003U,
SUBSCRIPTION_EVENT_MODULE = 0x0004U,
SUBSCRIPTION_EVENT_CLIENT = 0x0005U,
SUBSCRIPTION_EVENT_SAMPLE_CACHE = 0x0006U,
SUBSCRIPTION_EVENT_SERVER = 0x0007U,
// SUBSCRIPTION_EVENT_AUTOLOAD = 0x0008U,
SUBSCRIPTION_EVENT_CARD = 0x0009U,
SUBSCRIPTION_EVENT_FACILITY_MASK = 0x000FU,
SUBSCRIPTION_EVENT_NEW = 0x0000U,
SUBSCRIPTION_EVENT_CHANGE = 0x0010U,
SUBSCRIPTION_EVENT_REMOVE = 0x0020U,
SUBSCRIPTION_EVENT_TYPE_MASK = 0x0030U
};
enum {
SUBSCRIPTION_MASK_NULL = 0,
SUBSCRIPTION_MASK_SINK = 1u << SUBSCRIPTION_EVENT_SINK,
SUBSCRIPTION_MASK_SOURCE = 1u << SUBSCRIPTION_EVENT_SOURCE,
SUBSCRIPTION_MASK_SINK_INPUT = 1u << SUBSCRIPTION_EVENT_SINK_INPUT,
SUBSCRIPTION_MASK_SOURCE_OUTPUT = 1u << SUBSCRIPTION_EVENT_SOURCE_OUTPUT,
SUBSCRIPTION_MASK_MODULE = 1u << SUBSCRIPTION_EVENT_MODULE,
SUBSCRIPTION_MASK_CLIENT = 1u << SUBSCRIPTION_EVENT_CLIENT,
SUBSCRIPTION_MASK_SAMPLE_CACHE = 1u << SUBSCRIPTION_EVENT_SAMPLE_CACHE,
SUBSCRIPTION_MASK_SERVER = 1u << SUBSCRIPTION_EVENT_SERVER,
// SUBSCRIPTION_MASK_AUTOLOAD = 1u << SUBSCRIPTION_EVENT_AUTOLOAD,
SUBSCRIPTION_MASK_CARD = 1u << SUBSCRIPTION_EVENT_CARD,
SUBSCRIPTION_MASK_ALL =
SUBSCRIPTION_MASK_SINK
| SUBSCRIPTION_MASK_SOURCE
| SUBSCRIPTION_MASK_SINK_INPUT
| SUBSCRIPTION_MASK_SOURCE_OUTPUT
| SUBSCRIPTION_MASK_MODULE
| SUBSCRIPTION_MASK_CLIENT
| SUBSCRIPTION_MASK_SAMPLE_CACHE
| SUBSCRIPTION_MASK_SERVER
// | SUBSCRIPTION_MASK_AUTOLOAD
| SUBSCRIPTION_MASK_CARD
};
enum {
STATE_INVALID = -1,
STATE_RUNNING = 0,
STATE_IDLE = 1,
STATE_SUSPENDED = 2,
STATE_INIT = -2,
STATE_UNLINKED = -3
};
static inline int node_state(enum pw_node_state state)
{
switch (state) {
case PW_NODE_STATE_ERROR:
return STATE_UNLINKED;
case PW_NODE_STATE_CREATING:
return STATE_INIT;
case PW_NODE_STATE_SUSPENDED:
return STATE_SUSPENDED;
case PW_NODE_STATE_IDLE:
return STATE_IDLE;
case PW_NODE_STATE_RUNNING:
return STATE_RUNNING;
}
return STATE_INVALID;
}
enum {
SINK_HW_VOLUME_CTRL = 0x0001U,
SINK_LATENCY = 0x0002U,
SINK_HARDWARE = 0x0004U,
SINK_NETWORK = 0x0008U,
SINK_HW_MUTE_CTRL = 0x0010U,
SINK_DECIBEL_VOLUME = 0x0020U,
SINK_FLAT_VOLUME = 0x0040U,
SINK_DYNAMIC_LATENCY = 0x0080U,
SINK_SET_FORMATS = 0x0100U,
};
enum {
SOURCE_HW_VOLUME_CTRL = 0x0001U,
SOURCE_LATENCY = 0x0002U,
SOURCE_HARDWARE = 0x0004U,
SOURCE_NETWORK = 0x0008U,
SOURCE_HW_MUTE_CTRL = 0x0010U,
SOURCE_DECIBEL_VOLUME = 0x0020U,
SOURCE_DYNAMIC_LATENCY = 0x0040U,
SOURCE_FLAT_VOLUME = 0x0080U,
};
static inline const char *subscription_event_type_to_string(uint32_t type)
{
switch (type) {
case SUBSCRIPTION_EVENT_NEW:
return "new";
case SUBSCRIPTION_EVENT_CHANGE:
return "change";
case SUBSCRIPTION_EVENT_REMOVE:
return "remove";
}
return NULL;
}
static inline const char *subscription_event_facility_to_string(uint32_t facility)
{
static const char * const strings[] = {
[SUBSCRIPTION_EVENT_SINK] = "sink",
[SUBSCRIPTION_EVENT_SOURCE] = "source",
[SUBSCRIPTION_EVENT_SINK_INPUT] = "sink-input",
[SUBSCRIPTION_EVENT_SOURCE_OUTPUT] = "source-output",
[SUBSCRIPTION_EVENT_MODULE] = "module",
[SUBSCRIPTION_EVENT_CLIENT] = "client",
[SUBSCRIPTION_EVENT_SAMPLE_CACHE] = "sample-cache",
[SUBSCRIPTION_EVENT_SERVER] = "server",
// [SUBSCRIPTION_EVENT_AUTOLOAD] = "autoload",
[SUBSCRIPTION_EVENT_CARD] = "card",
};
if (facility >= SPA_N_ELEMENTS(strings))
return NULL;
return strings[facility];
}
static const char * const port_types[] = {
"unknown",
"aux",
"speaker",
"headphones",
"line",
"mic",
"headset",
"handset",
"earpiece",
"spdif",
"hdmi",
"tv",
"radio",
"video",
"usb",
"bluetooth",
"portable",
"handsfree",
"car",
"hifi",
"phone",
"network",
"analog",
};
static inline uint32_t port_type_value(const char *port_type)
{
uint32_t i;
for (i = 0; i < SPA_N_ELEMENTS(port_types); i++) {
if (strcmp(port_types[i], port_type) == 0)
return i;
}
return 0;
}
#define METADATA_DEFAULT_SINK "default.audio.sink"
#define METADATA_DEFAULT_SOURCE "default.audio.source"
#define METADATA_CONFIG_DEFAULT_SINK "default.configured.audio.sink"
#define METADATA_CONFIG_DEFAULT_SOURCE "default.configured.audio.source"
#define METADATA_TARGET_NODE "target.node"
#define METADATA_TARGET_OBJECT "target.object"
#endif /* PULSE_SERVER_DEFS_H */