PipeWire  0.3.45
param.h
Go to the documentation of this file.
1 /* Simple Plugin API
2  *
3  * Copyright © 2018 Wim Taymans
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining a
6  * copy of this software and associated documentation files (the "Software"),
7  * to deal in the Software without restriction, including without limitation
8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9  * and/or sell copies of the Software, and to permit persons to whom the
10  * Software is furnished to do so, subject to the following conditions:
11  *
12  * The above copyright notice and this permission notice (including the next
13  * paragraph) shall be included in all copies or substantial portions of the
14  * Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22  * DEALINGS IN THE SOFTWARE.
23  */
24 
25 #ifndef SPA_PARAM_H
26 #define SPA_PARAM_H
27 
28 #ifdef __cplusplus
29 extern "C" {
30 #endif
31 
41 #include <spa/utils/defs.h>
42 
44 enum spa_param_type {
62 };
63 
66  uint32_t id;
67 #define SPA_PARAM_INFO_SERIAL (1<<0)
69 #define SPA_PARAM_INFO_READ (1<<1)
70 #define SPA_PARAM_INFO_WRITE (1<<2)
71 #define SPA_PARAM_INFO_READWRITE (SPA_PARAM_INFO_WRITE|SPA_PARAM_INFO_READ)
72  uint32_t flags;
73  uint32_t user;
75  uint32_t padding[5];
76 };
77 
78 #define SPA_PARAM_INFO(id,flags) (struct spa_param_info){ (id), (flags) }
79 
89 };
90 
96 };
97 
99 enum spa_param_io {
103 };
104 
109 };
110 
134 };
135 
143 };
144 
153 };
154 
175 };
176 
177 
188 };
189 
196 };
197 
198 enum spa_param_bitorder {
202 };
203 
208 #ifdef __cplusplus
209 } /* extern "C" */
210 #endif
211 
212 #endif /* SPA_PARAM_H */
spa/utils/defs.h
spa_param_meta
properties for SPA_TYPE_OBJECT_ParamMeta
Definition: param.h:102
spa_param_bitorder
Definition: param.h:208
spa_param_port_config_mode
Definition: param.h:146
spa_param_type
different parameter types that can be queried
Definition: param.h:49
spa_param_process_latency
properties for SPA_TYPE_OBJECT_ParamProcessLatency
Definition: param.h:201
spa_param_port_config
properties for SPA_TYPE_OBJECT_ParamPortConfig
Definition: param.h:156
spa_param_latency
properties for SPA_TYPE_OBJECT_ParamLatency
Definition: param.h:189
spa_param_route
properties for SPA_TYPE_OBJECT_ParamRoute
Definition: param.h:166
spa_param_io
properties for SPA_TYPE_OBJECT_ParamIO
Definition: param.h:109
spa_param_profile
properties for SPA_TYPE_OBJECT_ParamProfile
Definition: param.h:122
spa_param_availability
Definition: param.h:115
spa_param_buffers
properties for SPA_TYPE_OBJECT_ParamBuffers
Definition: param.h:91
@ SPA_PARAM_META_START
Definition: param.h:103
@ SPA_PARAM_META_size
the expected maximum size the meta (Int)
Definition: param.h:105
@ SPA_PARAM_META_type
the metadata, one of enum spa_meta_type (Id enum spa_meta_type)
Definition: param.h:104
@ SPA_PARAM_BITORDER_unknown
unknown bitorder
Definition: param.h:209
@ SPA_PARAM_BITORDER_msb
most significant bit
Definition: param.h:210
@ SPA_PARAM_BITORDER_lsb
least significant bit
Definition: param.h:211
@ SPA_PARAM_PORT_CONFIG_MODE_convert
convert configuration
Definition: param.h:149
@ SPA_PARAM_PORT_CONFIG_MODE_none
no configuration
Definition: param.h:147
@ SPA_PARAM_PORT_CONFIG_MODE_dsp
dsp configuration, depending on the external format.
Definition: param.h:150
@ SPA_PARAM_PORT_CONFIG_MODE_passthrough
passthrough configuration
Definition: param.h:148
@ SPA_PARAM_Route
routing configuration as SPA_TYPE_OBJECT_ParamRoute
Definition: param.h:63
@ SPA_PARAM_Format
configured format as SPA_TYPE_OBJECT_Format
Definition: param.h:54
@ SPA_PARAM_EnumRoute
routing enumeration as SPA_TYPE_OBJECT_ParamRoute
Definition: param.h:62
@ SPA_PARAM_Meta
allowed metadata for buffers as SPA_TYPE_OBJECT_ParamMeta
Definition: param.h:56
@ SPA_PARAM_IO
configurable IO areas as SPA_TYPE_OBJECT_ParamIO
Definition: param.h:57
@ SPA_PARAM_EnumProfile
profile enumeration as SPA_TYPE_OBJECT_ParamProfile
Definition: param.h:58
@ SPA_PARAM_EnumPortConfig
port configuration enumeration as SPA_TYPE_OBJECT_ParamPortConfig
Definition: param.h:60
@ SPA_PARAM_EnumFormat
available formats as SPA_TYPE_OBJECT_Format
Definition: param.h:53
@ SPA_PARAM_Profile
profile configuration as SPA_TYPE_OBJECT_ParamProfile
Definition: param.h:59
@ SPA_PARAM_Latency
latency reporting, a SPA_TYPE_OBJECT_ParamLatency
Definition: param.h:65
@ SPA_PARAM_PortConfig
port configuration as SPA_TYPE_OBJECT_ParamPortConfig
Definition: param.h:61
@ SPA_PARAM_Control
Control parameter, a SPA_TYPE_Sequence.
Definition: param.h:64
@ SPA_PARAM_Props
properties as SPA_TYPE_OBJECT_Props
Definition: param.h:52
@ SPA_PARAM_PropInfo
property information as SPA_TYPE_OBJECT_PropInfo
Definition: param.h:51
@ SPA_PARAM_Buffers
buffer configurations as SPA_TYPE_OBJECT_ParamBuffers
Definition: param.h:55
@ SPA_PARAM_ProcessLatency
processing latency, a SPA_TYPE_OBJECT_ParamProcessLatency
Definition: param.h:66
@ SPA_PARAM_Invalid
invalid
Definition: param.h:50
@ SPA_PARAM_PROCESS_LATENCY_rate
latency (Int) relative to rate
Definition: param.h:204
@ SPA_PARAM_PROCESS_LATENCY_START
Definition: param.h:202
@ SPA_PARAM_PROCESS_LATENCY_ns
latency (Long) in nanoseconds
Definition: param.h:205
@ SPA_PARAM_PROCESS_LATENCY_quantum
latency relative to quantum (Float)
Definition: param.h:203
@ SPA_PARAM_PORT_CONFIG_mode
(Id enum spa_param_port_config_mode) mode
Definition: param.h:159
@ SPA_PARAM_PORT_CONFIG_format
(Object) format filter
Definition: param.h:162
@ SPA_PARAM_PORT_CONFIG_monitor
(Bool) enable monitor output ports on input ports
Definition: param.h:160
@ SPA_PARAM_PORT_CONFIG_control
(Bool) enable control ports
Definition: param.h:161
@ SPA_PARAM_PORT_CONFIG_direction
direction, input/output (Id enum spa_direction)
Definition: param.h:158
@ SPA_PARAM_PORT_CONFIG_START
Definition: param.h:157
@ SPA_PARAM_LATENCY_maxNs
max latency (Long) in nanoseconds
Definition: param.h:197
@ SPA_PARAM_LATENCY_minRate
min latency (Int) relative to rate
Definition: param.h:194
@ SPA_PARAM_LATENCY_minQuantum
min latency relative to quantum (Float)
Definition: param.h:192
@ SPA_PARAM_LATENCY_START
Definition: param.h:190
@ SPA_PARAM_LATENCY_maxRate
max latency (Int) relative to rate
Definition: param.h:195
@ SPA_PARAM_LATENCY_maxQuantum
max latency relative to quantum (Float)
Definition: param.h:193
@ SPA_PARAM_LATENCY_direction
direction, input/output (Id enum spa_direction)
Definition: param.h:191
@ SPA_PARAM_LATENCY_minNs
min latency (Long) in nanoseconds
Definition: param.h:196
@ SPA_PARAM_ROUTE_START
Definition: param.h:167
@ SPA_PARAM_ROUTE_save
If route should be saved (Bool)
Definition: param.h:184
@ SPA_PARAM_ROUTE_name
name of the routing destination (String)
Definition: param.h:171
@ SPA_PARAM_ROUTE_available
availability of the destination (Id enum spa_param_availability)
Definition: param.h:174
@ SPA_PARAM_ROUTE_props
properties SPA_TYPE_OBJECT_Props
Definition: param.h:181
@ SPA_PARAM_ROUTE_device
device id (Int)
Definition: param.h:170
@ SPA_PARAM_ROUTE_priority
priority of the destination (Int)
Definition: param.h:173
@ SPA_PARAM_ROUTE_index
index of the routing destination (Int)
Definition: param.h:168
@ SPA_PARAM_ROUTE_direction
direction, input/output (Id enum spa_direction)
Definition: param.h:169
@ SPA_PARAM_ROUTE_profiles
associated profile indexes (Array of Int)
Definition: param.h:180
@ SPA_PARAM_ROUTE_profile
profile id (Int)
Definition: param.h:183
@ SPA_PARAM_ROUTE_devices
associated device indexes (Array of Int)
Definition: param.h:182
@ SPA_PARAM_ROUTE_description
description of the destination (String)
Definition: param.h:172
@ SPA_PARAM_ROUTE_info
info (Struct( Int : n_items, (String : key, String : value)*))
Definition: param.h:176
@ SPA_PARAM_IO_id
type ID, uniquely identifies the io area (Id enum spa_io_type)
Definition: param.h:111
@ SPA_PARAM_IO_START
Definition: param.h:110
@ SPA_PARAM_IO_size
size of the io area (Int)
Definition: param.h:112
@ SPA_PARAM_PROFILE_description
profile description (String)
Definition: param.h:126
@ SPA_PARAM_PROFILE_save
If profile should be saved (Bool)
Definition: param.h:143
@ SPA_PARAM_PROFILE_priority
profile priority (Int)
Definition: param.h:127
@ SPA_PARAM_PROFILE_info
info (Struct( Int : n_items, (String : key, String : value)*))
Definition: param.h:130
@ SPA_PARAM_PROFILE_START
Definition: param.h:123
@ SPA_PARAM_PROFILE_classes
node classes provided by this profile (Struct( Int : number of items following Struct( String : class...
Definition: param.h:134
@ SPA_PARAM_PROFILE_available
availability of the profile (Id enum spa_param_availability)
Definition: param.h:128
@ SPA_PARAM_PROFILE_name
profile name (String)
Definition: param.h:125
@ SPA_PARAM_PROFILE_index
profile index (Int)
Definition: param.h:124
@ SPA_PARAM_AVAILABILITY_unknown
unknown availability
Definition: param.h:116
@ SPA_PARAM_AVAILABILITY_yes
available
Definition: param.h:118
@ SPA_PARAM_AVAILABILITY_no
not available
Definition: param.h:117
@ SPA_PARAM_BUFFERS_dataType
possible memory types (Int, mask of enum spa_data_type)
Definition: param.h:98
@ SPA_PARAM_BUFFERS_size
size of a data block memory (Int)
Definition: param.h:95
@ SPA_PARAM_BUFFERS_START
Definition: param.h:92
@ SPA_PARAM_BUFFERS_stride
stride of data block memory (Int)
Definition: param.h:96
@ SPA_PARAM_BUFFERS_align
alignment of data block memory (Int)
Definition: param.h:97
@ SPA_PARAM_BUFFERS_blocks
number of data blocks per buffer (Int)
Definition: param.h:94
@ SPA_PARAM_BUFFERS_buffers
number of buffers (Int)
Definition: param.h:93
information about a parameter
Definition: param.h:70
uint32_t flags
Definition: param.h:81
uint32_t user
private user field.
Definition: param.h:82
uint32_t id
enum spa_param_type
Definition: param.h:71
uint32_t padding[5]
Definition: param.h:84