mirror of
https://gitlab.freedesktop.org/pipewire/pipewire.git
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144 lines
5.1 KiB
C
144 lines
5.1 KiB
C
/* PipeWire
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* Copyright (C) 2017 Wim Taymans <wim.taymans@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include "pipewire/log.h"
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#define USE_POSIX_SHM
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#undef JACK_MONITOR
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#define JACK_DEFAULT_SERVER_NAME "default"
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#define JACK_SOCKET_DIR "/dev/shm"
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#define JACK_SHM_DIR "/dev/shm"
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#define JACK_SERVER_NAME_SIZE 256
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#define JACK_CLIENT_NAME_SIZE 64
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#define JACK_PORT_NAME_SIZE 256
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#define JACK_PORT_TYPE_SIZE 32
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#define JACK_PROTOCOL_VERSION 8
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#define JACK_MESSAGE_SIZE 256
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#define PORT_NUM_MAX 4096
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#define PORT_NUM_FOR_CLIENT 2048
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#define CONNECTION_NUM_FOR_PORT PORT_NUM_FOR_CLIENT
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#define REAL_JACK_PORT_NAME_SIZE JACK_CLIENT_NAME_SIZE + JACK_PORT_NAME_SIZE
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#define BUFFER_SIZE_MAX 8192
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#define CLIENT_NUM 256
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#define JACK_ENGINE_ROLLING_COUNT 32
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#define JACK_ENGINE_ROLLING_INTERVAL 1024
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#define TIME_POINTS 100000
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#define FAILURE_TIME_POINTS 10000
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#define FAILURE_WINDOW 10
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#define MEASURED_CLIENTS 32
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#define SYNC_MAX_NAME_SIZE 256
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#define JACK_UUID_SIZE 36
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#define JACK_UUID_STRING_SIZE (JACK_UUID_SIZE+1)
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#define JACK_SESSION_COMMAND_SIZE 256
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#define NO_PORT 0xFFFE
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#define EMPTY 0xFFFD
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#define FREE 0xFFFC
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typedef enum {
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JACK_TIMER_SYSTEM_CLOCK,
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JACK_TIMER_HPET,
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} jack_timer_type_t;
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enum jack_request_type {
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jack_request_RegisterPort = 1,
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jack_request_UnRegisterPort = 2,
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jack_request_ConnectPorts = 3,
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jack_request_DisconnectPorts = 4,
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jack_request_SetTimeBaseClient = 5,
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jack_request_ActivateClient = 6,
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jack_request_DeactivateClient = 7,
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jack_request_DisconnectPort = 8,
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jack_request_SetClientCapabilities = 9,
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jack_request_GetPortConnections = 10,
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jack_request_GetPortNConnections = 11,
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jack_request_ReleaseTimebase = 12,
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jack_request_SetTimebaseCallback = 13,
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jack_request_SetBufferSize = 20,
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jack_request_SetFreeWheel = 21,
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jack_request_ClientCheck = 22,
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jack_request_ClientOpen = 23,
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jack_request_ClientClose = 24,
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jack_request_ConnectNamePorts = 25,
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jack_request_DisconnectNamePorts = 26,
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jack_request_GetInternalClientName = 27,
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jack_request_InternalClientHandle = 28,
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jack_request_InternalClientLoad = 29,
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jack_request_InternalClientUnload = 30,
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jack_request_PortRename = 31,
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jack_request_Notification = 32,
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jack_request_SessionNotify = 33,
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jack_request_SessionReply = 34,
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jack_request_GetClientByUUID = 35,
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jack_request_ReserveClientName = 36,
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jack_request_GetUUIDByClient = 37,
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jack_request_ClientHasSessionCallback = 38,
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jack_request_ComputeTotalLatencies = 39
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};
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enum jack_notification_type {
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jack_notify_AddClient = 0,
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jack_notify_RemoveClient = 1,
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jack_notify_ActivateClient = 2,
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jack_notify_XRunCallback = 3,
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jack_notify_GraphOrderCallback = 4,
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jack_notify_BufferSizeCallback = 5,
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jack_notify_SampleRateCallback = 6,
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jack_notify_StartFreewheelCallback = 7,
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jack_notify_StopFreewheelCallback = 8,
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jack_notify_PortRegistrationOnCallback = 9,
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jack_notify_PortRegistrationOffCallback = 10,
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jack_notify_PortConnectCallback = 11,
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jack_notify_PortDisconnectCallback = 12,
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jack_notify_PortRenameCallback = 13,
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jack_notify_RealTimeCallback = 14,
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jack_notify_ShutDownCallback = 15,
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jack_notify_QUIT = 16,
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jack_notify_SessionCallback = 17,
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jack_notify_LatencyCallback = 18,
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jack_notify_max = 64 // To keep some room in JackClientControl fCallback table
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};
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#define kActivateClient_size (2*sizeof(int))
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#define kDeactivateClient_size (sizeof(int))
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#define kSetTimebaseCallback_size (sizeof(int) + sizeof(int))
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#define kRegisterPort_size (sizeof(int) + JACK_PORT_NAME_SIZE+1 + JACK_PORT_TYPE_SIZE+1 + 2*sizeof(unsigned int))
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#define kClientCheck_size (JACK_CLIENT_NAME_SIZE+1 + 4 * sizeof(int))
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#define kClientOpen_size (JACK_CLIENT_NAME_SIZE+1 + 2 * sizeof(int))
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#define kClientClose_size (sizeof(int))
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#define kConnectNamePorts_size (sizeof(int) + REAL_JACK_PORT_NAME_SIZE+1 + REAL_JACK_PORT_NAME_SIZE+1)
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#define kDisconnectNamePorts_size (sizeof(int) + REAL_JACK_PORT_NAME_SIZE+1 + REAL_JACK_PORT_NAME_SIZE+1)
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#define kGetUUIDByClient_size (JACK_CLIENT_NAME_SIZE+1)
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#define CheckRead(var,size) if(read(client->fd,var,size)!=size) {pw_log_error("read error"); return -1; }
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#define CheckWrite(var,size) if(send(client->fd,var,size,MSG_NOSIGNAL)!=size) {pw_log_error("write error"); return -1; }
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#define CheckSize(expected) { int __size; CheckRead(&__size, sizeof(int)); if (__size != expected) { pw_log_error("CheckSize error size %d != %d", __size, (int)expected); return -1; } }
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#define jack_error pw_log_error
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#define jack_log pw_log_info
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