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internal/pipewire: relocate constants
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This should make things easier to navigate, and possible to fully automatically generate the constants in the future.

Signed-off-by: Ophestra <cat@gensokyo.uk>
This commit is contained in:
Ophestra 2025-12-03 03:52:17 +09:00
parent 054c91879f
commit 2c0b92771a
Signed by: cat
SSH Key Fingerprint: SHA256:gQ67O0enBZ7UdZypgtspB2FDM1g3GVw8nX0XSdcFw8Q
5 changed files with 536 additions and 527 deletions
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354
internal/pipewire/pipewire.go
View File

@ -652,357 +652,3 @@ func closeReceivedFiles(fds ...int) {
// Close frees the underlying buffer and closes the connection.
func (ctx *Context) Close() error { ctx.free(); return ctx.conn.Close() }
/* pipewire/device.h */
const (
PW_TYPE_INTERFACE_Device = PW_TYPE_INFO_INTERFACE_BASE + "Device"
PW_DEVICE_PERM_MASK = PW_PERM_RWXM
PW_VERSION_DEVICE = 3
)
const (
PW_DEVICE_CHANGE_MASK_PROPS = 1 << iota
PW_DEVICE_CHANGE_MASK_PARAMS
PW_DEVICE_CHANGE_MASK_ALL = 1<<iota - 1
)
const (
PW_DEVICE_EVENT_INFO = iota
PW_DEVICE_EVENT_PARAM
PW_DEVICE_EVENT_NUM
PW_VERSION_DEVICE_EVENTS = 0
)
const (
PW_DEVICE_METHOD_ADD_LISTENER = iota
PW_DEVICE_METHOD_SUBSCRIBE_PARAMS
PW_DEVICE_METHOD_ENUM_PARAMS
PW_DEVICE_METHOD_SET_PARAM
PW_DEVICE_METHOD_NUM
PW_VERSION_DEVICE_METHODS = 0
)
/* pipewire/factory.h */
const (
PW_TYPE_INTERFACE_Factory = PW_TYPE_INFO_INTERFACE_BASE + "Factory"
PW_FACTORY_PERM_MASK = PW_PERM_R | PW_PERM_M
PW_VERSION_FACTORY = 3
)
const (
PW_FACTORY_CHANGE_MASK_PROPS = 1 << iota
PW_FACTORY_CHANGE_MASK_ALL = 1<<iota - 1
)
const (
PW_FACTORY_EVENT_INFO = iota
PW_FACTORY_EVENT_NUM
PW_VERSION_FACTORY_EVENTS = 0
)
const (
PW_FACTORY_METHOD_ADD_LISTENER = iota
PW_FACTORY_METHOD_NUM
PW_VERSION_FACTORY_METHODS = 0
)
/* pipewire/link.h */
const (
PW_TYPE_INTERFACE_Link = PW_TYPE_INFO_INTERFACE_BASE + "Link"
PW_LINK_PERM_MASK = PW_PERM_R | PW_PERM_X
PW_VERSION_LINK = 3
)
const (
PW_LINK_STATE_ERROR = iota - 2 // the link is in error
PW_LINK_STATE_UNLINKED // the link is unlinked
PW_LINK_STATE_INIT // the link is initialized
PW_LINK_STATE_NEGOTIATING // the link is negotiating formats
PW_LINK_STATE_ALLOCATING // the link is allocating buffers
PW_LINK_STATE_PAUSED // the link is paused
PW_LINK_STATE_ACTIVE // the link is active
)
const (
PW_LINK_CHANGE_MASK_STATE = (1 << iota)
PW_LINK_CHANGE_MASK_FORMAT
PW_LINK_CHANGE_MASK_PROPS
PW_LINK_CHANGE_MASK_ALL = 1<<iota - 1
)
const (
PW_LINK_EVENT_INFO = iota
PW_LINK_EVENT_NUM
PW_VERSION_LINK_EVENTS = 0
)
const (
PW_LINK_METHOD_ADD_LISTENER = iota
PW_LINK_METHOD_NUM
PW_VERSION_LINK_METHODS = 0
)
/* pipewire/module.h */
const (
PW_TYPE_INTERFACE_Module = PW_TYPE_INFO_INTERFACE_BASE + "Module"
PW_MODULE_PERM_MASK = PW_PERM_R | PW_PERM_M
PW_VERSION_MODULE = 3
)
const (
PW_MODULE_CHANGE_MASK_PROPS = 1 << iota
PW_MODULE_CHANGE_MASK_ALL = 1<<iota - 1
)
const (
PW_MODULE_EVENT_INFO = iota
PW_MODULE_EVENT_NUM
PW_VERSION_MODULE_EVENTS = 0
)
const (
PW_MODULE_METHOD_ADD_LISTENER = iota
PW_MODULE_METHOD_NUM
PW_VERSION_MODULE_METHODS = 0
)
/* pipewire/impl-module.h */
const (
PIPEWIRE_SYMBOL_MODULE_INIT = "pipewire__module_init"
PIPEWIRE_MODULE_PREFIX = "libpipewire-"
PW_VERSION_IMPL_MODULE_EVENTS = 0
)
/* pipewire/node.h */
const (
PW_TYPE_INTERFACE_Node = PW_TYPE_INFO_INTERFACE_BASE + "Node"
PW_NODE_PERM_MASK = PW_PERM_RWXML
PW_VERSION_NODE = 3
)
const (
PW_NODE_STATE_ERROR = iota - 1 // error state
PW_NODE_STATE_CREATING // the node is being created
PW_NODE_STATE_SUSPENDED // the node is suspended, the device might be closed
PW_NODE_STATE_IDLE // the node is running but there is no active port
PW_NODE_STATE_RUNNING // the node is running
)
const (
PW_NODE_CHANGE_MASK_INPUT_PORTS = 1 << iota
PW_NODE_CHANGE_MASK_OUTPUT_PORTS
PW_NODE_CHANGE_MASK_STATE
PW_NODE_CHANGE_MASK_PROPS
PW_NODE_CHANGE_MASK_PARAMS
PW_NODE_CHANGE_MASK_ALL = 1<<iota - 1
)
const (
PW_NODE_EVENT_INFO = iota
PW_NODE_EVENT_PARAM
PW_NODE_EVENT_NUM
PW_VERSION_NODE_EVENTS = 0
)
const (
PW_NODE_METHOD_ADD_LISTENER = iota
PW_NODE_METHOD_SUBSCRIBE_PARAMS
PW_NODE_METHOD_ENUM_PARAMS
PW_NODE_METHOD_SET_PARAM
PW_NODE_METHOD_SEND_COMMAND
PW_NODE_METHOD_NUM
PW_VERSION_NODE_METHODS = 0
)
/* pipewire/permission.h */
const (
PW_PERM_R = 0400 // object can be seen and events can be received
PW_PERM_W = 0200 // methods can be called that modify the object
PW_PERM_X = 0100 // methods can be called on the object. The W flag must be present in order to call methods that modify the object.
PW_PERM_M = 0010 // metadata can be set on object, Since 0.3.9
PW_PERM_L = 0020 // a link can be made between a node that doesn't have permission to see the other node, Since 0.3.77
PW_PERM_RW = PW_PERM_R | PW_PERM_W
PW_PERM_RWX = PW_PERM_RW | PW_PERM_X
PW_PERM_RWXM = PW_PERM_RWX | PW_PERM_M
PW_PERM_RWXML = PW_PERM_RWXM | PW_PERM_L
PW_PERM_ALL = PW_PERM_RWXM
PW_PERM_INVALID Word = 0xffffffff
)
/* pipewire/port.h */
const (
PW_TYPE_INTERFACE_Port = PW_TYPE_INFO_INTERFACE_BASE + "Port"
PW_PORT_PERM_MASK = PW_PERM_R | PW_PERM_X | PW_PERM_M
PW_VERSION_PORT = 3
)
const (
PW_PORT_CHANGE_MASK_PROPS = 1 << iota
PW_PORT_CHANGE_MASK_PARAMS
PW_PORT_CHANGE_MASK_ALL = 1<<iota - 1
)
const (
PW_PORT_EVENT_INFO = iota
PW_PORT_EVENT_PARAM
PW_PORT_EVENT_NUM
PW_VERSION_PORT_EVENTS = 0
)
const (
PW_PORT_METHOD_ADD_LISTENER = iota
PW_PORT_METHOD_SUBSCRIBE_PARAMS
PW_PORT_METHOD_ENUM_PARAMS
PW_PORT_METHOD_NUM
PW_VERSION_PORT_METHODS = 0
)
/* pipewire/extensions/client-node.h */
const (
PW_TYPE_INTERFACE_ClientNode = PW_TYPE_INFO_INTERFACE_BASE + "ClientNode"
PW_VERSION_CLIENT_NODE = 6
PW_EXTENSION_MODULE_CLIENT_NODE = PIPEWIRE_MODULE_PREFIX + "module-client-node"
)
const (
PW_CLIENT_NODE_EVENT_TRANSPORT = iota
PW_CLIENT_NODE_EVENT_SET_PARAM
PW_CLIENT_NODE_EVENT_SET_IO
PW_CLIENT_NODE_EVENT_EVENT
PW_CLIENT_NODE_EVENT_COMMAND
PW_CLIENT_NODE_EVENT_ADD_PORT
PW_CLIENT_NODE_EVENT_REMOVE_PORT
PW_CLIENT_NODE_EVENT_PORT_SET_PARAM
PW_CLIENT_NODE_EVENT_PORT_USE_BUFFERS
PW_CLIENT_NODE_EVENT_PORT_SET_IO
PW_CLIENT_NODE_EVENT_SET_ACTIVATION
PW_CLIENT_NODE_EVENT_PORT_SET_MIX_INFO
PW_CLIENT_NODE_EVENT_NUM
PW_VERSION_CLIENT_NODE_EVENTS = 1
)
const (
PW_CLIENT_NODE_METHOD_ADD_LISTENER = iota
PW_CLIENT_NODE_METHOD_GET_NODE
PW_CLIENT_NODE_METHOD_UPDATE
PW_CLIENT_NODE_METHOD_PORT_UPDATE
PW_CLIENT_NODE_METHOD_SET_ACTIVE
PW_CLIENT_NODE_METHOD_EVENT
PW_CLIENT_NODE_METHOD_PORT_BUFFERS
PW_CLIENT_NODE_METHOD_NUM
PW_VERSION_CLIENT_NODE_METHODS = 0
)
const (
PW_CLIENT_NODE_UPDATE_PARAMS = 1 << iota
PW_CLIENT_NODE_UPDATE_INFO
)
const (
PW_CLIENT_NODE_PORT_UPDATE_PARAMS = 1 << iota
PW_CLIENT_NODE_PORT_UPDATE_INFO
)
/* pipewire/extensions/metadata.h */
const (
PW_TYPE_INTERFACE_Metadata = PW_TYPE_INFO_INTERFACE_BASE + "Metadata"
PW_METADATA_PERM_MASK = PW_PERM_RWX
PW_VERSION_METADATA = 3
PW_EXTENSION_MODULE_METADATA = PIPEWIRE_MODULE_PREFIX + "module-metadata"
)
const (
PW_METADATA_EVENT_PROPERTY = iota
PW_METADATA_EVENT_NUM
PW_VERSION_METADATA_EVENTS = 0
)
const (
PW_METADATA_METHOD_ADD_LISTENER = iota
PW_METADATA_METHOD_SET_PROPERTY
PW_METADATA_METHOD_CLEAR
PW_METADATA_METHOD_NUM
PW_VERSION_METADATA_METHODS = 0
)
const (
PW_KEY_METADATA_NAME = "metadata.name"
PW_KEY_METADATA_VALUES = "metadata.values"
)
/* pipewire/extensions/profiler.h */
const (
PW_TYPE_INTERFACE_Profiler = PW_TYPE_INFO_INTERFACE_BASE + "Profiler"
PW_VERSION_PROFILER = 3
PW_PROFILER_PERM_MASK = PW_PERM_R
PW_EXTENSION_MODULE_PROFILER = PIPEWIRE_MODULE_PREFIX + "module-profiler"
)
const (
PW_PROFILER_EVENT_PROFILE = iota
PW_PROFILER_EVENT_NUM
PW_VERSION_PROFILER_EVENTS = 0
)
const (
PW_PROFILER_METHOD_ADD_LISTENER = iota
PW_PROFILER_METHOD_NUM
PW_VERSION_PROFILER_METHODS = 0
)
const (
PW_KEY_PROFILER_NAME = "profiler.name"
)
/* pipewire/type.h */
const (
PW_TYPE_INFO_BASE = "PipeWire:"
PW_TYPE_INFO_Object = PW_TYPE_INFO_BASE + "Object"
PW_TYPE_INFO_OBJECT_BASE = PW_TYPE_INFO_Object + ":"
PW_TYPE_INFO_Interface = PW_TYPE_INFO_BASE + "Interface"
PW_TYPE_INFO_INTERFACE_BASE = PW_TYPE_INFO_Interface + ":"
)

53
internal/pipewire/pipewire_test.go
View File

@ -1,8 +1,6 @@
package pipewire_test
import (
_ "embed"
"encoding/binary"
"fmt"
"net"
"reflect"
@ -813,57 +811,6 @@ func (conn *stubUnixConn) Close() error {
return nil
}
var (
//go:embed testdata/pw-container-00-sendmsg
samplePWContainer00 string
//go:embed testdata/pw-container-01-recvmsg
samplePWContainer01 string
//go:embed testdata/pw-container-03-sendmsg
samplePWContainer03 string
//go:embed testdata/pw-container-04-recvmsg
samplePWContainer04 string
//go:embed testdata/pw-container-06-sendmsg
samplePWContainer06 string
//go:embed testdata/pw-container-07-recvmsg
samplePWContainer07 string
// samplePWContainer is a collection of messages from the pw-container sample.
samplePWContainer = [...][][3][]byte{
splitMessages(samplePWContainer00),
splitMessages(samplePWContainer01),
nil,
splitMessages(samplePWContainer03),
splitMessages(samplePWContainer04),
nil,
splitMessages(samplePWContainer06),
splitMessages(samplePWContainer07),
nil,
}
)
// splitMessages splits concatenated messages into groups of
// header, payload, footer of each individual message.
// splitMessages panics on any decoding error.
func splitMessages(iovec string) (messages [][3][]byte) {
data := []byte(iovec)
messages = make([][3][]byte, 0, 1<<7)
var header pipewire.Header
for len(data) != 0 {
if err := header.UnmarshalBinary(data[:pipewire.SizeHeader]); err != nil {
panic(err)
}
size := pipewire.SizePrefix + binary.NativeEndian.Uint32(data[pipewire.SizeHeader:])
messages = append(messages, [3][]byte{
data[:pipewire.SizeHeader],
data[pipewire.SizeHeader : pipewire.SizeHeader+size],
data[pipewire.SizeHeader+size : pipewire.SizeHeader+header.Size],
})
data = data[pipewire.SizeHeader+header.Size:]
}
return
}
func TestContextErrors(t *testing.T) {
t.Parallel()

120
internal/pipewire/pod.go
View File

@ -57,41 +57,6 @@ const (
SizeFd = SizeLong
)
/* Basic types */
const (
/* POD's can contain a number of basic SPA types: */
SPA_TYPE_START = 0x00000 + iota
SPA_TYPE_None // No value or a NULL pointer.
SPA_TYPE_Bool // A boolean value.
SPA_TYPE_Id // An enumerated value.
SPA_TYPE_Int // An integer value, 32-bit.
SPA_TYPE_Long // An integer value, 64-bit.
SPA_TYPE_Float // A floating point value, 32-bit.
SPA_TYPE_Double // A floating point value, 64-bit.
SPA_TYPE_String // A string.
SPA_TYPE_Bytes // A byte array.
SPA_TYPE_Rectangle // A rectangle with width and height.
SPA_TYPE_Fraction // A fraction with numerator and denominator.
SPA_TYPE_Bitmap // An array of bits.
/* POD's can be grouped together in these container types: */
SPA_TYPE_Array // An array of equal sized objects.
SPA_TYPE_Struct // A collection of types and objects.
SPA_TYPE_Object // An object with properties.
SPA_TYPE_Sequence // A timed sequence of POD's.
/* POD's can also contain some extra types: */
SPA_TYPE_Pointer // A typed pointer in memory.
SPA_TYPE_Fd // A file descriptor.
SPA_TYPE_Choice // A choice of values.
SPA_TYPE_Pod // A generic type for the POD itself.
_SPA_TYPE_LAST // not part of ABI
)
// A KnownSize value has known POD encoded size before serialisation.
type KnownSize interface {
// Size returns the POD encoded size of the receiver.
@ -580,88 +545,3 @@ func (d *SPADict) UnmarshalPOD(data []byte) (Word, error) {
}
return wireSize, nil
}
/* Pointers */
const (
SPA_TYPE_POINTER_START = 0x10000 + iota
SPA_TYPE_POINTER_Buffer
SPA_TYPE_POINTER_Meta
SPA_TYPE_POINTER_Dict
_SPA_TYPE_POINTER_LAST // not part of ABI
)
/* Events */
const (
SPA_TYPE_EVENT_START = 0x20000 + iota
SPA_TYPE_EVENT_Device
SPA_TYPE_EVENT_Node
_SPA_TYPE_EVENT_LAST // not part of ABI
)
/* Commands */
const (
SPA_TYPE_COMMAND_START = 0x30000 + iota
SPA_TYPE_COMMAND_Device
SPA_TYPE_COMMAND_Node
_SPA_TYPE_COMMAND_LAST // not part of ABI
)
/* Objects */
const (
SPA_TYPE_OBJECT_START = 0x40000 + iota
SPA_TYPE_OBJECT_PropInfo
SPA_TYPE_OBJECT_Props
SPA_TYPE_OBJECT_Format
SPA_TYPE_OBJECT_ParamBuffers
SPA_TYPE_OBJECT_ParamMeta
SPA_TYPE_OBJECT_ParamIO
SPA_TYPE_OBJECT_ParamProfile
SPA_TYPE_OBJECT_ParamPortConfig
SPA_TYPE_OBJECT_ParamRoute
SPA_TYPE_OBJECT_Profiler
SPA_TYPE_OBJECT_ParamLatency
SPA_TYPE_OBJECT_ParamProcessLatency
SPA_TYPE_OBJECT_ParamTag
_SPA_TYPE_OBJECT_LAST // not part of ABI
)
/* vendor extensions */
const (
SPA_TYPE_VENDOR_PipeWire = 0x02000000
SPA_TYPE_VENDOR_Other = 0x7f000000
)
const (
SPA_TYPE_INFO_BASE = "Spa:"
SPA_TYPE_INFO_Flags = SPA_TYPE_INFO_BASE + "Flags"
SPA_TYPE_INFO_FLAGS_BASE = SPA_TYPE_INFO_Flags + ":"
SPA_TYPE_INFO_Enum = SPA_TYPE_INFO_BASE + "Enum"
SPA_TYPE_INFO_ENUM_BASE = SPA_TYPE_INFO_Enum + ":"
SPA_TYPE_INFO_Pod = SPA_TYPE_INFO_BASE + "Pod"
SPA_TYPE_INFO_POD_BASE = SPA_TYPE_INFO_Pod + ":"
SPA_TYPE_INFO_Struct = SPA_TYPE_INFO_POD_BASE + "Struct"
SPA_TYPE_INFO_STRUCT_BASE = SPA_TYPE_INFO_Struct + ":"
SPA_TYPE_INFO_Object = SPA_TYPE_INFO_POD_BASE + "Object"
SPA_TYPE_INFO_OBJECT_BASE = SPA_TYPE_INFO_Object + ":"
SPA_TYPE_INFO_Pointer = SPA_TYPE_INFO_BASE + "Pointer"
SPA_TYPE_INFO_POINTER_BASE = SPA_TYPE_INFO_Pointer + ":"
SPA_TYPE_INFO_Interface = SPA_TYPE_INFO_POINTER_BASE + "Interface"
SPA_TYPE_INFO_INTERFACE_BASE = SPA_TYPE_INFO_Interface + ":"
SPA_TYPE_INFO_Event = SPA_TYPE_INFO_OBJECT_BASE + "Event"
SPA_TYPE_INFO_EVENT_BASE = SPA_TYPE_INFO_Event + ":"
SPA_TYPE_INFO_Command = SPA_TYPE_INFO_OBJECT_BASE + "Command"
SPA_TYPE_INFO_COMMAND_BASE = SPA_TYPE_INFO_Command + ":"
)

477
internal/pipewire/spa.go Normal file
View File

@ -0,0 +1,477 @@
package pipewire
/* Basic types */
const (
/* POD's can contain a number of basic SPA types: */
SPA_TYPE_START = 0x00000 + iota
SPA_TYPE_None // No value or a NULL pointer.
SPA_TYPE_Bool // A boolean value.
SPA_TYPE_Id // An enumerated value.
SPA_TYPE_Int // An integer value, 32-bit.
SPA_TYPE_Long // An integer value, 64-bit.
SPA_TYPE_Float // A floating point value, 32-bit.
SPA_TYPE_Double // A floating point value, 64-bit.
SPA_TYPE_String // A string.
SPA_TYPE_Bytes // A byte array.
SPA_TYPE_Rectangle // A rectangle with width and height.
SPA_TYPE_Fraction // A fraction with numerator and denominator.
SPA_TYPE_Bitmap // An array of bits.
/* POD's can be grouped together in these container types: */
SPA_TYPE_Array // An array of equal sized objects.
SPA_TYPE_Struct // A collection of types and objects.
SPA_TYPE_Object // An object with properties.
SPA_TYPE_Sequence // A timed sequence of POD's.
/* POD's can also contain some extra types: */
SPA_TYPE_Pointer // A typed pointer in memory.
SPA_TYPE_Fd // A file descriptor.
SPA_TYPE_Choice // A choice of values.
SPA_TYPE_Pod // A generic type for the POD itself.
_SPA_TYPE_LAST // not part of ABI
)
/* Pointers */
const (
SPA_TYPE_POINTER_START = 0x10000 + iota
SPA_TYPE_POINTER_Buffer
SPA_TYPE_POINTER_Meta
SPA_TYPE_POINTER_Dict
_SPA_TYPE_POINTER_LAST // not part of ABI
)
/* Events */
const (
SPA_TYPE_EVENT_START = 0x20000 + iota
SPA_TYPE_EVENT_Device
SPA_TYPE_EVENT_Node
_SPA_TYPE_EVENT_LAST // not part of ABI
)
/* Commands */
const (
SPA_TYPE_COMMAND_START = 0x30000 + iota
SPA_TYPE_COMMAND_Device
SPA_TYPE_COMMAND_Node
_SPA_TYPE_COMMAND_LAST // not part of ABI
)
/* Objects */
const (
SPA_TYPE_OBJECT_START = 0x40000 + iota
SPA_TYPE_OBJECT_PropInfo
SPA_TYPE_OBJECT_Props
SPA_TYPE_OBJECT_Format
SPA_TYPE_OBJECT_ParamBuffers
SPA_TYPE_OBJECT_ParamMeta
SPA_TYPE_OBJECT_ParamIO
SPA_TYPE_OBJECT_ParamProfile
SPA_TYPE_OBJECT_ParamPortConfig
SPA_TYPE_OBJECT_ParamRoute
SPA_TYPE_OBJECT_Profiler
SPA_TYPE_OBJECT_ParamLatency
SPA_TYPE_OBJECT_ParamProcessLatency
SPA_TYPE_OBJECT_ParamTag
_SPA_TYPE_OBJECT_LAST // not part of ABI
)
/* vendor extensions */
const (
SPA_TYPE_VENDOR_PipeWire = 0x02000000
SPA_TYPE_VENDOR_Other = 0x7f000000
)
/* spa/include/spa/utils/type.h */
const (
SPA_TYPE_INFO_BASE = "Spa:"
SPA_TYPE_INFO_Flags = SPA_TYPE_INFO_BASE + "Flags"
SPA_TYPE_INFO_FLAGS_BASE = SPA_TYPE_INFO_Flags + ":"
SPA_TYPE_INFO_Enum = SPA_TYPE_INFO_BASE + "Enum"
SPA_TYPE_INFO_ENUM_BASE = SPA_TYPE_INFO_Enum + ":"
SPA_TYPE_INFO_Pod = SPA_TYPE_INFO_BASE + "Pod"
SPA_TYPE_INFO_POD_BASE = SPA_TYPE_INFO_Pod + ":"
SPA_TYPE_INFO_Struct = SPA_TYPE_INFO_POD_BASE + "Struct"
SPA_TYPE_INFO_STRUCT_BASE = SPA_TYPE_INFO_Struct + ":"
SPA_TYPE_INFO_Object = SPA_TYPE_INFO_POD_BASE + "Object"
SPA_TYPE_INFO_OBJECT_BASE = SPA_TYPE_INFO_Object + ":"
SPA_TYPE_INFO_Pointer = SPA_TYPE_INFO_BASE + "Pointer"
SPA_TYPE_INFO_POINTER_BASE = SPA_TYPE_INFO_Pointer + ":"
SPA_TYPE_INFO_Interface = SPA_TYPE_INFO_POINTER_BASE + "Interface"
SPA_TYPE_INFO_INTERFACE_BASE = SPA_TYPE_INFO_Interface + ":"
SPA_TYPE_INFO_Event = SPA_TYPE_INFO_OBJECT_BASE + "Event"
SPA_TYPE_INFO_EVENT_BASE = SPA_TYPE_INFO_Event + ":"
SPA_TYPE_INFO_Command = SPA_TYPE_INFO_OBJECT_BASE + "Command"
SPA_TYPE_INFO_COMMAND_BASE = SPA_TYPE_INFO_Command + ":"
)
/* pipewire/device.h */
const (
PW_TYPE_INTERFACE_Device = PW_TYPE_INFO_INTERFACE_BASE + "Device"
PW_DEVICE_PERM_MASK = PW_PERM_RWXM
PW_VERSION_DEVICE = 3
)
const (
PW_DEVICE_CHANGE_MASK_PROPS = 1 << iota
PW_DEVICE_CHANGE_MASK_PARAMS
PW_DEVICE_CHANGE_MASK_ALL = 1<<iota - 1
)
const (
PW_DEVICE_EVENT_INFO = iota
PW_DEVICE_EVENT_PARAM
PW_DEVICE_EVENT_NUM
PW_VERSION_DEVICE_EVENTS = 0
)
const (
PW_DEVICE_METHOD_ADD_LISTENER = iota
PW_DEVICE_METHOD_SUBSCRIBE_PARAMS
PW_DEVICE_METHOD_ENUM_PARAMS
PW_DEVICE_METHOD_SET_PARAM
PW_DEVICE_METHOD_NUM
PW_VERSION_DEVICE_METHODS = 0
)
/* pipewire/factory.h */
const (
PW_TYPE_INTERFACE_Factory = PW_TYPE_INFO_INTERFACE_BASE + "Factory"
PW_FACTORY_PERM_MASK = PW_PERM_R | PW_PERM_M
PW_VERSION_FACTORY = 3
)
const (
PW_FACTORY_CHANGE_MASK_PROPS = 1 << iota
PW_FACTORY_CHANGE_MASK_ALL = 1<<iota - 1
)
const (
PW_FACTORY_EVENT_INFO = iota
PW_FACTORY_EVENT_NUM
PW_VERSION_FACTORY_EVENTS = 0
)
const (
PW_FACTORY_METHOD_ADD_LISTENER = iota
PW_FACTORY_METHOD_NUM
PW_VERSION_FACTORY_METHODS = 0
)
/* pipewire/link.h */
const (
PW_TYPE_INTERFACE_Link = PW_TYPE_INFO_INTERFACE_BASE + "Link"
PW_LINK_PERM_MASK = PW_PERM_R | PW_PERM_X
PW_VERSION_LINK = 3
)
const (
PW_LINK_STATE_ERROR = iota - 2 // the link is in error
PW_LINK_STATE_UNLINKED // the link is unlinked
PW_LINK_STATE_INIT // the link is initialized
PW_LINK_STATE_NEGOTIATING // the link is negotiating formats
PW_LINK_STATE_ALLOCATING // the link is allocating buffers
PW_LINK_STATE_PAUSED // the link is paused
PW_LINK_STATE_ACTIVE // the link is active
)
const (
PW_LINK_CHANGE_MASK_STATE = (1 << iota)
PW_LINK_CHANGE_MASK_FORMAT
PW_LINK_CHANGE_MASK_PROPS
PW_LINK_CHANGE_MASK_ALL = 1<<iota - 1
)
const (
PW_LINK_EVENT_INFO = iota
PW_LINK_EVENT_NUM
PW_VERSION_LINK_EVENTS = 0
)
const (
PW_LINK_METHOD_ADD_LISTENER = iota
PW_LINK_METHOD_NUM
PW_VERSION_LINK_METHODS = 0
)
/* pipewire/module.h */
const (
PW_TYPE_INTERFACE_Module = PW_TYPE_INFO_INTERFACE_BASE + "Module"
PW_MODULE_PERM_MASK = PW_PERM_R | PW_PERM_M
PW_VERSION_MODULE = 3
)
const (
PW_MODULE_CHANGE_MASK_PROPS = 1 << iota
PW_MODULE_CHANGE_MASK_ALL = 1<<iota - 1
)
const (
PW_MODULE_EVENT_INFO = iota
PW_MODULE_EVENT_NUM
PW_VERSION_MODULE_EVENTS = 0
)
const (
PW_MODULE_METHOD_ADD_LISTENER = iota
PW_MODULE_METHOD_NUM
PW_VERSION_MODULE_METHODS = 0
)
/* pipewire/impl-module.h */
const (
PIPEWIRE_SYMBOL_MODULE_INIT = "pipewire__module_init"
PIPEWIRE_MODULE_PREFIX = "libpipewire-"
PW_VERSION_IMPL_MODULE_EVENTS = 0
)
/* pipewire/node.h */
const (
PW_TYPE_INTERFACE_Node = PW_TYPE_INFO_INTERFACE_BASE + "Node"
PW_NODE_PERM_MASK = PW_PERM_RWXML
PW_VERSION_NODE = 3
)
const (
PW_NODE_STATE_ERROR = iota - 1 // error state
PW_NODE_STATE_CREATING // the node is being created
PW_NODE_STATE_SUSPENDED // the node is suspended, the device might be closed
PW_NODE_STATE_IDLE // the node is running but there is no active port
PW_NODE_STATE_RUNNING // the node is running
)
const (
PW_NODE_CHANGE_MASK_INPUT_PORTS = 1 << iota
PW_NODE_CHANGE_MASK_OUTPUT_PORTS
PW_NODE_CHANGE_MASK_STATE
PW_NODE_CHANGE_MASK_PROPS
PW_NODE_CHANGE_MASK_PARAMS
PW_NODE_CHANGE_MASK_ALL = 1<<iota - 1
)
const (
PW_NODE_EVENT_INFO = iota
PW_NODE_EVENT_PARAM
PW_NODE_EVENT_NUM
PW_VERSION_NODE_EVENTS = 0
)
const (
PW_NODE_METHOD_ADD_LISTENER = iota
PW_NODE_METHOD_SUBSCRIBE_PARAMS
PW_NODE_METHOD_ENUM_PARAMS
PW_NODE_METHOD_SET_PARAM
PW_NODE_METHOD_SEND_COMMAND
PW_NODE_METHOD_NUM
PW_VERSION_NODE_METHODS = 0
)
/* pipewire/permission.h */
const (
PW_PERM_R = 0400 // object can be seen and events can be received
PW_PERM_W = 0200 // methods can be called that modify the object
PW_PERM_X = 0100 // methods can be called on the object. The W flag must be present in order to call methods that modify the object.
PW_PERM_M = 0010 // metadata can be set on object, Since 0.3.9
PW_PERM_L = 0020 // a link can be made between a node that doesn't have permission to see the other node, Since 0.3.77
PW_PERM_RW = PW_PERM_R | PW_PERM_W
PW_PERM_RWX = PW_PERM_RW | PW_PERM_X
PW_PERM_RWXM = PW_PERM_RWX | PW_PERM_M
PW_PERM_RWXML = PW_PERM_RWXM | PW_PERM_L
PW_PERM_ALL = PW_PERM_RWXM
PW_PERM_INVALID Word = 0xffffffff
)
/* pipewire/port.h */
const (
PW_TYPE_INTERFACE_Port = PW_TYPE_INFO_INTERFACE_BASE + "Port"
PW_PORT_PERM_MASK = PW_PERM_R | PW_PERM_X | PW_PERM_M
PW_VERSION_PORT = 3
)
const (
PW_PORT_CHANGE_MASK_PROPS = 1 << iota
PW_PORT_CHANGE_MASK_PARAMS
PW_PORT_CHANGE_MASK_ALL = 1<<iota - 1
)
const (
PW_PORT_EVENT_INFO = iota
PW_PORT_EVENT_PARAM
PW_PORT_EVENT_NUM
PW_VERSION_PORT_EVENTS = 0
)
const (
PW_PORT_METHOD_ADD_LISTENER = iota
PW_PORT_METHOD_SUBSCRIBE_PARAMS
PW_PORT_METHOD_ENUM_PARAMS
PW_PORT_METHOD_NUM
PW_VERSION_PORT_METHODS = 0
)
/* pipewire/extensions/client-node.h */
const (
PW_TYPE_INTERFACE_ClientNode = PW_TYPE_INFO_INTERFACE_BASE + "ClientNode"
PW_VERSION_CLIENT_NODE = 6
PW_EXTENSION_MODULE_CLIENT_NODE = PIPEWIRE_MODULE_PREFIX + "module-client-node"
)
const (
PW_CLIENT_NODE_EVENT_TRANSPORT = iota
PW_CLIENT_NODE_EVENT_SET_PARAM
PW_CLIENT_NODE_EVENT_SET_IO
PW_CLIENT_NODE_EVENT_EVENT
PW_CLIENT_NODE_EVENT_COMMAND
PW_CLIENT_NODE_EVENT_ADD_PORT
PW_CLIENT_NODE_EVENT_REMOVE_PORT
PW_CLIENT_NODE_EVENT_PORT_SET_PARAM
PW_CLIENT_NODE_EVENT_PORT_USE_BUFFERS
PW_CLIENT_NODE_EVENT_PORT_SET_IO
PW_CLIENT_NODE_EVENT_SET_ACTIVATION
PW_CLIENT_NODE_EVENT_PORT_SET_MIX_INFO
PW_CLIENT_NODE_EVENT_NUM
PW_VERSION_CLIENT_NODE_EVENTS = 1
)
const (
PW_CLIENT_NODE_METHOD_ADD_LISTENER = iota
PW_CLIENT_NODE_METHOD_GET_NODE
PW_CLIENT_NODE_METHOD_UPDATE
PW_CLIENT_NODE_METHOD_PORT_UPDATE
PW_CLIENT_NODE_METHOD_SET_ACTIVE
PW_CLIENT_NODE_METHOD_EVENT
PW_CLIENT_NODE_METHOD_PORT_BUFFERS
PW_CLIENT_NODE_METHOD_NUM
PW_VERSION_CLIENT_NODE_METHODS = 0
)
const (
PW_CLIENT_NODE_UPDATE_PARAMS = 1 << iota
PW_CLIENT_NODE_UPDATE_INFO
)
const (
PW_CLIENT_NODE_PORT_UPDATE_PARAMS = 1 << iota
PW_CLIENT_NODE_PORT_UPDATE_INFO
)
/* pipewire/extensions/metadata.h */
const (
PW_TYPE_INTERFACE_Metadata = PW_TYPE_INFO_INTERFACE_BASE + "Metadata"
PW_METADATA_PERM_MASK = PW_PERM_RWX
PW_VERSION_METADATA = 3
PW_EXTENSION_MODULE_METADATA = PIPEWIRE_MODULE_PREFIX + "module-metadata"
)
const (
PW_METADATA_EVENT_PROPERTY = iota
PW_METADATA_EVENT_NUM
PW_VERSION_METADATA_EVENTS = 0
)
const (
PW_METADATA_METHOD_ADD_LISTENER = iota
PW_METADATA_METHOD_SET_PROPERTY
PW_METADATA_METHOD_CLEAR
PW_METADATA_METHOD_NUM
PW_VERSION_METADATA_METHODS = 0
)
const (
PW_KEY_METADATA_NAME = "metadata.name"
PW_KEY_METADATA_VALUES = "metadata.values"
)
/* pipewire/extensions/profiler.h */
const (
PW_TYPE_INTERFACE_Profiler = PW_TYPE_INFO_INTERFACE_BASE + "Profiler"
PW_VERSION_PROFILER = 3
PW_PROFILER_PERM_MASK = PW_PERM_R
PW_EXTENSION_MODULE_PROFILER = PIPEWIRE_MODULE_PREFIX + "module-profiler"
)
const (
PW_PROFILER_EVENT_PROFILE = iota
PW_PROFILER_EVENT_NUM
PW_VERSION_PROFILER_EVENTS = 0
)
const (
PW_PROFILER_METHOD_ADD_LISTENER = iota
PW_PROFILER_METHOD_NUM
PW_VERSION_PROFILER_METHODS = 0
)
const (
PW_KEY_PROFILER_NAME = "profiler.name"
)
/* pipewire/type.h */
const (
PW_TYPE_INFO_BASE = "PipeWire:"
PW_TYPE_INFO_Object = PW_TYPE_INFO_BASE + "Object"
PW_TYPE_INFO_OBJECT_BASE = PW_TYPE_INFO_Object + ":"
PW_TYPE_INFO_Interface = PW_TYPE_INFO_BASE + "Interface"
PW_TYPE_INFO_INTERFACE_BASE = PW_TYPE_INFO_Interface + ":"
)

59
internal/pipewire/spa_test.go Normal file
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@ -0,0 +1,59 @@
package pipewire_test
import (
_ "embed"
"encoding/binary"
"hakurei.app/internal/pipewire"
)
// splitMessages splits concatenated messages into groups of
// header, payload, footer of each individual message.
// splitMessages panics on any decoding error.
func splitMessages(iovec string) (messages [][3][]byte) {
data := []byte(iovec)
messages = make([][3][]byte, 0, 1<<7)
var header pipewire.Header
for len(data) != 0 {
if err := header.UnmarshalBinary(data[:pipewire.SizeHeader]); err != nil {
panic(err)
}
size := pipewire.SizePrefix + binary.NativeEndian.Uint32(data[pipewire.SizeHeader:])
messages = append(messages, [3][]byte{
data[:pipewire.SizeHeader],
data[pipewire.SizeHeader : pipewire.SizeHeader+size],
data[pipewire.SizeHeader+size : pipewire.SizeHeader+header.Size],
})
data = data[pipewire.SizeHeader+header.Size:]
}
return
}
var (
//go:embed testdata/pw-container-00-sendmsg
samplePWContainer00 string
//go:embed testdata/pw-container-01-recvmsg
samplePWContainer01 string
//go:embed testdata/pw-container-03-sendmsg
samplePWContainer03 string
//go:embed testdata/pw-container-04-recvmsg
samplePWContainer04 string
//go:embed testdata/pw-container-06-sendmsg
samplePWContainer06 string
//go:embed testdata/pw-container-07-recvmsg
samplePWContainer07 string
// samplePWContainer is a collection of messages from the pw-container sample.
samplePWContainer = [...][][3][]byte{
splitMessages(samplePWContainer00),
splitMessages(samplePWContainer01),
nil,
splitMessages(samplePWContainer03),
splitMessages(samplePWContainer04),
nil,
splitMessages(samplePWContainer06),
splitMessages(samplePWContainer07),
nil,
}
)