internal/pipewire: relocate constants

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>

internal/pipewire/pipewire_test.go

@@ -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()