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internal/pipewire: implement Client::UpdateProperties
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This is the second message on the captured sample.

Signed-off-by: Ophestra <cat@gensokyo.uk>
This commit is contained in:
Ophestra 2025-11-25 04:16:11 +09:00
parent e51e81bb22
commit 88d3e46413
Signed by: cat
SSH Key Fingerprint: SHA256:gQ67O0enBZ7UdZypgtspB2FDM1g3GVw8nX0XSdcFw8Q
4 changed files with 507 additions and 35 deletions
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51
internal/pipewire/client.go Normal file
View File

@ -0,0 +1,51 @@
package pipewire
/* pipewire/client.h */
const (
PW_TYPE_INTERFACE_Client = PW_TYPE_INFO_INTERFACE_BASE + "Client"
PW_CLIENT_PERM_MASK = PW_PERM_RWXM
PW_VERSION_CLIENT = 3
PW_ID_CLIENT = 1
)
const (
PW_CLIENT_CHANGE_MASK_PROPS = 1 << iota
PW_CLIENT_CHANGE_MASK_ALL = 1<<iota - 1
)
const (
PW_CLIENT_EVENT_INFO = iota
PW_CLIENT_EVENT_PERMISSIONS
PW_CLIENT_EVENT_NUM
PW_VERSION_CLIENT_EVENTS = 0
)
const (
PW_CLIENT_METHOD_ADD_LISTENER = iota
PW_CLIENT_METHOD_ERROR
PW_CLIENT_METHOD_UPDATE_PROPERTIES
PW_CLIENT_METHOD_GET_PERMISSIONS
PW_CLIENT_METHOD_UPDATE_PERMISSIONS
PW_CLIENT_METHOD_NUM
PW_VERSION_CLIENT_METHODS = 0
)
// ClientUpdateProperties is used to update the properties of a client.
type ClientUpdateProperties struct {
// Props are properties to update on the client.
Props *SPADict
}
// MarshalBinary satisfies [encoding.BinaryMarshaler] via [Marshal].
func (c *ClientUpdateProperties) MarshalBinary() ([]byte, error) { return Marshal(c) }
// UnmarshalBinary satisfies [encoding.BinaryUnmarshaler] via [Unmarshal].
func (c *ClientUpdateProperties) UnmarshalBinary(data []byte) error {
_, err := Unmarshal(data, c)
return err
}

442
internal/pipewire/client_test.go Normal file
View File

@ -0,0 +1,442 @@
package pipewire_test
import (
"testing"
"hakurei.app/internal/pipewire"
)
func TestClientUpdateProperties(t *testing.T) {
encodingTestCases[pipewire.ClientUpdateProperties, *pipewire.ClientUpdateProperties]{
{"sample", []byte{
// ClientUpdateProperties: size
0xf8, 5, 0, 0,
// ClientUpdateProperties: struct
0xe, 0, 0, 0,
// ClientUpdateProperties.Props: size
0xf0, 5, 0, 0,
// ClientUpdateProperties.Props: struct
0xe, 0, 0, 0,
// ClientUpdateProperties.Props.NItems: size
4, 0, 0, 0,
// ClientUpdateProperties.Props.NItems: int
4, 0, 0, 0,
0x1e, 0, 0, 0,
0, 0, 0, 0,
// ClientUpdateProperties.Props.Items
0x11, 0, 0, 0,
8, 0, 0, 0,
0x72, 0x65, 0x6d, 0x6f,
0x74, 0x65, 0x2e, 0x69,
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}, pipewire.ClientUpdateProperties{Props: &pipewire.SPADict{NItems: 0x1e, Items: []pipewire.SPADictItem{
{Key: "remote.intention", Value: "manager"},
{Key: "application.name", Value: "pw-container"},
{Key: "application.process.binary", Value: "pw-container"},
{Key: "application.language", Value: "en_US.UTF-8"},
{Key: "application.process.id", Value: "1443"},
{Key: "application.process.user", Value: "alice"},
{Key: "application.process.host", Value: "nixos"},
{Key: "application.process.session-id", Value: "1"},
{Key: "window.x11.display", Value: ":0"},
{Key: "cpu.vm.name", Value: "qemu"},
{Key: "log.level", Value: "0"},
{Key: "cpu.max-align", Value: "32"},
{Key: "default.clock.rate", Value: "48000"},
{Key: "default.clock.quantum", Value: "1024"},
{Key: "default.clock.min-quantum", Value: "32"},
{Key: "default.clock.max-quantum", Value: "2048"},
{Key: "default.clock.quantum-limit", Value: "8192"},
{Key: "default.clock.quantum-floor", Value: "4"},
{Key: "default.video.width", Value: "640"},
{Key: "default.video.height", Value: "480"},
{Key: "default.video.rate.num", Value: "25"},
{Key: "default.video.rate.denom", Value: "1"},
{Key: "clock.power-of-two-quantum", Value: "true"},
{Key: "link.max-buffers", Value: "64"},
{Key: "mem.warn-mlock", Value: "false"},
{Key: "mem.allow-mlock", Value: "true"},
{Key: "settings.check-quantum", Value: "false"},
{Key: "settings.check-rate", Value: "false"},
{Key: "core.version", Value: "1.4.7"},
{Key: "core.name", Value: "pipewire-alice-1443"},
}}}, nil},
}.run(t)
}

14
internal/pipewire/header_test.go
View File

@ -25,6 +25,20 @@ func TestHeader(t *testing.T) {
}, pipewire.Header{ID: pipewire.PW_ID_CORE, Opcode: pipewire.PW_CORE_METHOD_HELLO,
Size: 0x18, Sequence: 0, FileCount: 0}, nil},
{"PW_CLIENT_METHOD_UPDATE_PROPERTIES", []byte{
// Id
1, 0, 0, 0,
// size
0, 6, 0,
// opcode
2,
// seq
1, 0, 0, 0,
// n_fds
0, 0, 0, 0,
}, pipewire.Header{ID: pipewire.PW_ID_CLIENT, Opcode: pipewire.PW_CLIENT_METHOD_UPDATE_PROPERTIES,
Size: 0x600, Sequence: 1, FileCount: 0}, nil},
{"PW_SECURITY_CONTEXT_METHOD_CREATE", []byte{
// Id
3, 0, 0, 0,

35
internal/pipewire/pipewire.go
View File

@ -14,41 +14,6 @@
// for any other uses of the protocol.
package pipewire
/* pipewire/client.h */
const (
PW_TYPE_INTERFACE_Client = PW_TYPE_INFO_INTERFACE_BASE + "Client"
PW_CLIENT_PERM_MASK = PW_PERM_RWXM
PW_VERSION_CLIENT = 3
PW_ID_CLIENT = 1
)
const (
PW_CLIENT_CHANGE_MASK_PROPS = 1 << iota
PW_CLIENT_CHANGE_MASK_ALL = 1<<iota - 1
)
const (
PW_CLIENT_EVENT_INFO = iota
PW_CLIENT_EVENT_PERMISSIONS
PW_CLIENT_EVENT_NUM
PW_VERSION_CLIENT_EVENTS = 0
)
const (
PW_CLIENT_METHOD_ADD_LISTENER = iota
PW_CLIENT_METHOD_ERROR
PW_CLIENT_METHOD_UPDATE_PROPERTIES
PW_CLIENT_METHOD_GET_PERMISSIONS
PW_CLIENT_METHOD_UPDATE_PERMISSIONS
PW_CLIENT_METHOD_NUM
PW_VERSION_CLIENT_METHODS = 0
)
/* pipewire/device.h */
const (