Refactor queue / mount sections and split into multiple files and interfaces
continuous-integration/drone/push Build is passing
Details
continuous-integration/drone/push Build is passing
Details
parent
143bb916a8
commit
b8610799c8
SSH Key Fingerprint:
SHA256:OLTRf6Fl87G52SiR7sWLGNzlJt4WOX+tfI2yxo0z7xk
|
|
@ -3,6 +3,9 @@ package main
|
|||
import (
|
||||
"flag"
|
||||
"fmt"
|
||||
"git.gammaspectra.live/S.O.N.G/MeteorLight/api"
|
||||
"git.gammaspectra.live/S.O.N.G/MeteorLight/config"
|
||||
"git.gammaspectra.live/S.O.N.G/MeteorLight/queue"
|
||||
"git.gammaspectra.live/S.O.N.G/MeteorLight/util"
|
||||
"log"
|
||||
"net/http"
|
||||
|
|
@ -15,22 +18,22 @@ func main() {
|
|||
|
||||
flag.Parse()
|
||||
|
||||
config, err := GetConfig(*configPath)
|
||||
conf, err := config.GetConfig(*configPath)
|
||||
if err != nil {
|
||||
log.Panic(err)
|
||||
}
|
||||
|
||||
var wg sync.WaitGroup
|
||||
|
||||
queue := NewQueue(config)
|
||||
queueInstance := queue.NewQueue(conf)
|
||||
|
||||
wg.Add(1)
|
||||
go func() {
|
||||
defer wg.Done()
|
||||
|
||||
server := http.Server{
|
||||
Addr: fmt.Sprintf("%s:%d", config.Radio.Host, config.Radio.Port),
|
||||
Handler: http.HandlerFunc(queue.HandleRadioRequest),
|
||||
Addr: fmt.Sprintf("%s:%d", conf.Radio.Host, conf.Radio.Port),
|
||||
Handler: http.HandlerFunc(queueInstance.HandleRadioRequest),
|
||||
}
|
||||
server.SetKeepAlivesEnabled(false)
|
||||
|
||||
|
|
@ -45,9 +48,9 @@ func main() {
|
|||
}
|
||||
}()
|
||||
|
||||
api := NewAPI(config, queue)
|
||||
apiInstance := api.NewAPI(conf, queueInstance)
|
||||
|
||||
api.Wait()
|
||||
apiInstance.Wait()
|
||||
wg.Wait()
|
||||
queue.Wait()
|
||||
queueInstance.Wait()
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,4 +1,4 @@
|
|||
package main
|
||||
package api
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
|
|
@ -6,6 +6,9 @@ import (
|
|||
"errors"
|
||||
"fmt"
|
||||
"git.gammaspectra.live/S.O.N.G/Kirika/audio/queue"
|
||||
config2 "git.gammaspectra.live/S.O.N.G/MeteorLight/config"
|
||||
queue2 "git.gammaspectra.live/S.O.N.G/MeteorLight/queue"
|
||||
"git.gammaspectra.live/S.O.N.G/MeteorLight/queue/track"
|
||||
"io"
|
||||
"log"
|
||||
"net/http"
|
||||
|
|
@ -16,13 +19,13 @@ import (
|
|||
)
|
||||
|
||||
type API struct {
|
||||
config *Config
|
||||
queue *Queue
|
||||
config *config2.Config
|
||||
queue *queue2.Queue
|
||||
wg sync.WaitGroup
|
||||
nr *QueueTrackEntry
|
||||
nr *track.Entry
|
||||
}
|
||||
|
||||
func NewAPI(config *Config, queue *Queue) *API {
|
||||
func NewAPI(config *config2.Config, queue *queue2.Queue) *API {
|
||||
api := &API{
|
||||
config: config,
|
||||
queue: queue,
|
||||
|
|
@ -38,9 +41,9 @@ func (a *API) Wait() {
|
|||
a.wg.Wait()
|
||||
}
|
||||
|
||||
func (a *API) getQueueEntryFromBody(body []byte) (*QueueTrackEntry, error) {
|
||||
entry := &QueueTrackEntry{}
|
||||
err := json.Unmarshal(body, &entry.original)
|
||||
func (a *API) getQueueEntryFromBody(body []byte) (*track.Entry, error) {
|
||||
entry := &track.Entry{}
|
||||
err := json.Unmarshal(body, &entry.Original)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
|
@ -53,11 +56,11 @@ func (a *API) getQueueEntryFromBody(body []byte) (*QueueTrackEntry, error) {
|
|||
var strVal string
|
||||
var ok bool
|
||||
|
||||
if val, ok = entry.original["hash"]; ok && a.config.Queue.SongFetchUrl != "" {
|
||||
if val, ok = entry.Original["hash"]; ok && a.config.Queue.SongFetchUrl != "" {
|
||||
if strVal, ok = val.(string); ok {
|
||||
entry.Path = a.config.Queue.SongFetchUrl + strVal
|
||||
}
|
||||
} else if val, ok = entry.original["path"]; ok {
|
||||
} else if val, ok = entry.Original["path"]; ok {
|
||||
if strVal, ok = val.(string); ok {
|
||||
entry.Path = strVal
|
||||
}
|
||||
|
|
@ -70,16 +73,16 @@ func (a *API) getQueueEntryFromBody(body []byte) (*QueueTrackEntry, error) {
|
|||
return nil, errors.New("could not create queue entry")
|
||||
}
|
||||
|
||||
func (a *API) getFallbackTrack() (*QueueTrackEntry, error) {
|
||||
func (a *API) getFallbackTrack() (*track.Entry, error) {
|
||||
m := make(map[string]interface{})
|
||||
m["path"] = a.config.Queue.FallbackPath
|
||||
return &QueueTrackEntry{
|
||||
return &track.Entry{
|
||||
Path: a.config.Queue.FallbackPath,
|
||||
original: m,
|
||||
Original: m,
|
||||
}, nil
|
||||
}
|
||||
|
||||
func (a *API) getRandomTrack() (*QueueTrackEntry, error) {
|
||||
func (a *API) getRandomTrack() (*track.Entry, error) {
|
||||
|
||||
response, err := (&http.Client{
|
||||
Timeout: time.Second * 60,
|
||||
|
|
@ -97,10 +100,10 @@ func (a *API) getRandomTrack() (*QueueTrackEntry, error) {
|
|||
return a.getQueueEntryFromBody(body)
|
||||
}
|
||||
|
||||
func (a *API) setNowRandom(nr *QueueTrackEntry) {
|
||||
func (a *API) setNowRandom(nr *track.Entry) {
|
||||
a.nr = nr
|
||||
if a.config.Queue.NowRandom != "" {
|
||||
jsonData, _ := json.Marshal(nr.original)
|
||||
jsonData, _ := json.Marshal(nr.Original)
|
||||
response, err := http.DefaultClient.Post(a.config.Queue.NowRandom, "application/json; charset=utf-8", bytes.NewReader(jsonData))
|
||||
if err != nil {
|
||||
log.Print(err)
|
||||
|
|
@ -155,7 +158,7 @@ func (a *API) handleQueue() {
|
|||
go func() {
|
||||
defer a.wg.Done()
|
||||
for np := range a.queue.NowPlaying {
|
||||
jsonData, _ := json.Marshal(np.original)
|
||||
jsonData, _ := json.Marshal(np.Original)
|
||||
response, err := http.DefaultClient.Post(a.config.Queue.NowPlaying, "application/json; charset=utf-8", bytes.NewReader(jsonData))
|
||||
if err != nil {
|
||||
log.Print(err)
|
||||
|
|
@ -220,7 +223,7 @@ func (a *API) listen() {
|
|||
return
|
||||
case "np":
|
||||
if e := a.queue.GetNowPlaying(); e != nil {
|
||||
jsonData, _ := json.Marshal(e.original)
|
||||
jsonData, _ := json.Marshal(e.Original)
|
||||
writer.Write(jsonData)
|
||||
} else {
|
||||
writer.Write([]byte{'{', '}'})
|
||||
|
|
@ -229,7 +232,7 @@ func (a *API) listen() {
|
|||
return
|
||||
case "random":
|
||||
if a.nr != nil {
|
||||
jsonData, _ := json.Marshal(a.nr.original)
|
||||
jsonData, _ := json.Marshal(a.nr.Original)
|
||||
writer.Write(jsonData)
|
||||
} else {
|
||||
writer.Write([]byte{'{', '}'})
|
||||
|
|
@ -243,7 +246,7 @@ func (a *API) listen() {
|
|||
}
|
||||
var blobs = make([]map[string]interface{}, 0, 1)
|
||||
for _, e := range a.queue.GetQueue() {
|
||||
blobs = append(blobs, e.original)
|
||||
blobs = append(blobs, e.Original)
|
||||
}
|
||||
jsonData, _ := json.Marshal(blobs)
|
||||
writer.Write(jsonData)
|
||||
|
|
@ -1,4 +1,4 @@
|
|||
package main
|
||||
package config
|
||||
|
||||
import (
|
||||
"errors"
|
||||
|
|
@ -6,6 +6,8 @@ import (
|
|||
"strconv"
|
||||
)
|
||||
|
||||
const MaxBufferSize = 10
|
||||
|
||||
type Config struct {
|
||||
Api struct {
|
||||
Host string `toml:"host"`
|
||||
|
|
@ -0,0 +1,211 @@
|
|||
package aps1
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"encoding/binary"
|
||||
"encoding/json"
|
||||
"errors"
|
||||
"git.gammaspectra.live/S.O.N.G/Kirika/audio/packetizer"
|
||||
"git.gammaspectra.live/S.O.N.G/MeteorLight/listener"
|
||||
"git.gammaspectra.live/S.O.N.G/MeteorLight/queue/metadata"
|
||||
"git.gammaspectra.live/S.O.N.G/MeteorLight/util"
|
||||
"sync/atomic"
|
||||
)
|
||||
|
||||
type Listener struct {
|
||||
information listener.Information
|
||||
started atomic.Bool
|
||||
streamStartOffset int64
|
||||
streamSamplesBuffer int64
|
||||
|
||||
ctx *util.RequestDone
|
||||
sliceWriter chan []byte
|
||||
offsetStart bool
|
||||
headerBytes []byte
|
||||
}
|
||||
|
||||
func NewListener(info listener.Information, ctx *util.RequestDone, sliceWriter chan []byte, samplesToBuffer int64, offsetStart bool, channels, sampleRate int, mimeType string) (*Listener, map[string]string) {
|
||||
headers := make(map[string]string)
|
||||
headers["x-audio-packet-stream"] = "1"
|
||||
headers["content-type"] = "application/x-audio-packet-stream"
|
||||
|
||||
headerBytes := new(bytes.Buffer)
|
||||
|
||||
binary.Write(headerBytes, binary.LittleEndian, int64(channels))
|
||||
binary.Write(headerBytes, binary.LittleEndian, int64(sampleRate))
|
||||
binary.Write(headerBytes, binary.LittleEndian, int32(len(mimeType)))
|
||||
headerBytes.Write([]byte(mimeType))
|
||||
|
||||
return &Listener{
|
||||
information: info,
|
||||
ctx: ctx,
|
||||
sliceWriter: sliceWriter,
|
||||
offsetStart: offsetStart,
|
||||
streamSamplesBuffer: samplesToBuffer,
|
||||
streamStartOffset: -1,
|
||||
headerBytes: headerBytes.Bytes(),
|
||||
}, headers
|
||||
}
|
||||
|
||||
func (l *Listener) Identifier() string {
|
||||
return l.information.Identifier
|
||||
}
|
||||
|
||||
func (l *Listener) Information() *listener.Information {
|
||||
return &l.information
|
||||
}
|
||||
|
||||
func (l *Listener) HasStarted() bool {
|
||||
return l.started.Load()
|
||||
}
|
||||
|
||||
func (l *Listener) Start(packets []packetizer.Packet) error {
|
||||
if l.started.Swap(true) {
|
||||
return nil
|
||||
}
|
||||
|
||||
l.sliceWriter <- (&packetStreamFrame{
|
||||
Type: Header,
|
||||
Category: 0,
|
||||
StartSampleNumber: 0,
|
||||
DurationInSamples: 0,
|
||||
Data: l.headerBytes,
|
||||
}).Encode()
|
||||
|
||||
if len(packets) > 0 {
|
||||
sampleBufferMin := packets[len(packets)-1].GetStartSampleNumber() - l.streamSamplesBuffer
|
||||
for _, p := range packets {
|
||||
if p.KeepMode() != packetizer.Discard || p.GetEndSampleNumber() >= sampleBufferMin {
|
||||
if err := l.Write(p); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (l *Listener) Write(packet packetizer.Packet) error {
|
||||
if l.ctx.Done() {
|
||||
return l.ctx.Error()
|
||||
}
|
||||
|
||||
if metadataPacket, ok := packet.(*metadata.Packet); ok {
|
||||
|
||||
queueInfoBuf := make([]byte, binary.MaxVarintLen64)
|
||||
n := binary.PutVarint(queueInfoBuf, int64(metadataPacket.TrackEntry.QueueIdentifier))
|
||||
|
||||
if len(l.sliceWriter) >= (cap(l.sliceWriter) - 1) {
|
||||
l.ctx.Fail(errors.New("client ran out of writer buffer"))
|
||||
return l.ctx.Error()
|
||||
}
|
||||
|
||||
l.sliceWriter <- (&packetStreamFrame{
|
||||
Type: TrackIdentifier,
|
||||
Category: packet.Category(),
|
||||
StartSampleNumber: packet.GetStartSampleNumber(),
|
||||
DurationInSamples: packet.GetEndSampleNumber() - packet.GetStartSampleNumber(),
|
||||
Data: queueInfoBuf[:n],
|
||||
}).Encode()
|
||||
|
||||
if metadataBytes, err := json.Marshal(metadataPacket.TrackEntry.Metadata); err == nil {
|
||||
if len(l.sliceWriter) >= (cap(l.sliceWriter) - 1) {
|
||||
l.ctx.Fail(errors.New("client ran out of writer buffer"))
|
||||
return l.ctx.Error()
|
||||
}
|
||||
|
||||
l.sliceWriter <- (&packetStreamFrame{
|
||||
Type: TrackMetadata,
|
||||
Category: packet.Category(),
|
||||
StartSampleNumber: packet.GetStartSampleNumber(),
|
||||
DurationInSamples: packet.GetEndSampleNumber() - packet.GetStartSampleNumber(),
|
||||
Data: metadataBytes,
|
||||
}).Encode()
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
if len(l.sliceWriter) >= (cap(l.sliceWriter) - 1) {
|
||||
l.ctx.Fail(errors.New("client ran out of writer buffer"))
|
||||
return l.ctx.Error()
|
||||
}
|
||||
|
||||
var frameType PacketStreamType
|
||||
switch packet.KeepMode() {
|
||||
case packetizer.KeepLast:
|
||||
frameType = DataKeepLast
|
||||
case packetizer.Keep:
|
||||
frameType = DataKeep
|
||||
case packetizer.GroupKeep:
|
||||
frameType = DataGroupKeep
|
||||
case packetizer.GroupDiscard:
|
||||
frameType = DataGroupDiscard
|
||||
case packetizer.Discard:
|
||||
frameType = DataDiscard
|
||||
default:
|
||||
return errors.New("unknown KeepMode")
|
||||
}
|
||||
|
||||
l.sliceWriter <- (&packetStreamFrame{
|
||||
Type: frameType,
|
||||
Category: packet.Category(),
|
||||
StartSampleNumber: packet.GetStartSampleNumber(),
|
||||
DurationInSamples: packet.GetEndSampleNumber() - packet.GetStartSampleNumber(),
|
||||
Data: packet.GetData(),
|
||||
}).Encode()
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func (l *Listener) Close() {
|
||||
close(l.sliceWriter)
|
||||
}
|
||||
|
||||
type PacketStreamType uint64
|
||||
|
||||
// PacketStreamType The order of these fields is important and set on-wire protocol
|
||||
const (
|
||||
Header = PacketStreamType(iota)
|
||||
DataKeepLast
|
||||
DataKeep
|
||||
DataGroupKeep
|
||||
DataGroupDiscard
|
||||
DataDiscard
|
||||
TrackIdentifier
|
||||
TrackMetadata
|
||||
)
|
||||
|
||||
type packetStreamFrame struct {
|
||||
Type PacketStreamType
|
||||
Category int64
|
||||
StartSampleNumber int64
|
||||
DurationInSamples int64
|
||||
//automatically filled based on Data
|
||||
//Size uint64
|
||||
Data []byte
|
||||
}
|
||||
|
||||
func (p *packetStreamFrame) Encode() []byte {
|
||||
buf := new(bytes.Buffer)
|
||||
|
||||
varBuf := make([]byte, binary.MaxVarintLen64)
|
||||
|
||||
n := binary.PutUvarint(varBuf, uint64(p.Type))
|
||||
buf.Write(varBuf[:n])
|
||||
|
||||
n = binary.PutUvarint(varBuf, uint64(p.Category))
|
||||
buf.Write(varBuf[:n])
|
||||
|
||||
n = binary.PutVarint(varBuf, p.StartSampleNumber)
|
||||
buf.Write(varBuf[:n])
|
||||
|
||||
n = binary.PutVarint(varBuf, p.DurationInSamples)
|
||||
buf.Write(varBuf[:n])
|
||||
|
||||
n = binary.PutUvarint(varBuf, uint64(len(p.Data)))
|
||||
buf.Write(varBuf[:n])
|
||||
|
||||
buf.Write(p.Data)
|
||||
|
||||
return buf.Bytes()
|
||||
}
|
||||
|
|
@ -0,0 +1,162 @@
|
|||
package icy
|
||||
|
||||
import (
|
||||
"errors"
|
||||
"fmt"
|
||||
"git.gammaspectra.live/S.O.N.G/Kirika/audio/packetizer"
|
||||
"git.gammaspectra.live/S.O.N.G/MeteorLight/listener"
|
||||
"git.gammaspectra.live/S.O.N.G/MeteorLight/queue/metadata"
|
||||
"git.gammaspectra.live/S.O.N.G/MeteorLight/util"
|
||||
"strconv"
|
||||
"sync/atomic"
|
||||
)
|
||||
|
||||
// icyInterval weird clients might not support other numbers than this
|
||||
const icyInterval = 8192
|
||||
|
||||
type Listener struct {
|
||||
information listener.Information
|
||||
started atomic.Bool
|
||||
streamStartOffset int64
|
||||
streamSamplesBuffer int64
|
||||
|
||||
counter int
|
||||
|
||||
ctx *util.RequestDone
|
||||
sliceWriter chan []byte
|
||||
offsetStart bool
|
||||
|
||||
pendingMetadata map[string]string
|
||||
}
|
||||
|
||||
func NewListener(info listener.Information, ctx *util.RequestDone, sliceWriter chan []byte, samplesToBuffer int64, offsetStart bool) (*Listener, map[string]string) {
|
||||
headers := make(map[string]string)
|
||||
headers["icy-metaint"] = strconv.Itoa(icyInterval)
|
||||
|
||||
return &Listener{
|
||||
information: info,
|
||||
ctx: ctx,
|
||||
sliceWriter: sliceWriter,
|
||||
offsetStart: offsetStart,
|
||||
streamSamplesBuffer: samplesToBuffer,
|
||||
streamStartOffset: -1,
|
||||
pendingMetadata: make(map[string]string),
|
||||
}, headers
|
||||
}
|
||||
|
||||
func (l *Listener) Identifier() string {
|
||||
return l.information.Identifier
|
||||
}
|
||||
|
||||
func (l *Listener) Information() *listener.Information {
|
||||
return &l.information
|
||||
}
|
||||
|
||||
func (l *Listener) HasStarted() bool {
|
||||
return l.started.Load()
|
||||
}
|
||||
|
||||
func (l *Listener) Start(packets []packetizer.Packet) error {
|
||||
if l.started.Swap(true) {
|
||||
return nil
|
||||
}
|
||||
|
||||
if len(packets) > 0 {
|
||||
sampleBufferMin := packets[len(packets)-1].GetStartSampleNumber() - l.streamSamplesBuffer
|
||||
for _, p := range packets {
|
||||
if p.KeepMode() != packetizer.Discard || p.GetEndSampleNumber() >= sampleBufferMin {
|
||||
if err := l.Write(p); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (l *Listener) writeIcy() []byte {
|
||||
packetContent := make([]byte, 1, 16*255+1)
|
||||
for k, v := range l.pendingMetadata {
|
||||
packetContent = append(packetContent, []byte(fmt.Sprintf("%s='%s';", k, v))...)
|
||||
delete(l.pendingMetadata, k)
|
||||
|
||||
//shouldn't send multiple properties in same packet if we want working single quotes, wait until next ICY frame
|
||||
break
|
||||
}
|
||||
|
||||
contentLength := len(packetContent) - 1
|
||||
if contentLength > 16*255 {
|
||||
//cannot send long titles
|
||||
return make([]byte, 1)
|
||||
}
|
||||
|
||||
if (contentLength % 16) == 0 { //already padded
|
||||
packetContent[0] = byte(contentLength / 16)
|
||||
} else {
|
||||
packetContent[0] = byte(contentLength/16) + 1
|
||||
packetContent = append(packetContent, make([]byte, 16-(contentLength%16))...)
|
||||
}
|
||||
|
||||
return packetContent
|
||||
}
|
||||
|
||||
func (l *Listener) Write(packet packetizer.Packet) error {
|
||||
if l.ctx.Done() {
|
||||
return l.ctx.Error()
|
||||
}
|
||||
|
||||
if metadataPacket, ok := packet.(*metadata.Packet); ok {
|
||||
if len(metadataPacket.TrackEntry.Artist()) > 0 {
|
||||
l.pendingMetadata["StreamTitle"] = fmt.Sprintf("%s - %s", metadataPacket.TrackEntry.Artist(), metadataPacket.TrackEntry.Title())
|
||||
} else {
|
||||
l.pendingMetadata["StreamTitle"] = metadataPacket.TrackEntry.Title()
|
||||
}
|
||||
if len(metadataPacket.TrackEntry.Metadata.Art) > 0 {
|
||||
l.pendingMetadata["StreamURL"] = metadataPacket.TrackEntry.Metadata.Art
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
var p []byte
|
||||
if offsetable, ok := packet.(packetizer.OffsetablePacket); l.offsetStart && ok {
|
||||
if l.streamStartOffset <= -1 {
|
||||
if offsetable.KeepMode() != packetizer.Keep {
|
||||
l.streamStartOffset = offsetable.GetStartSampleNumber()
|
||||
p = offsetable.GetDataOffset(l.streamStartOffset)
|
||||
} else {
|
||||
p = packet.GetData()
|
||||
}
|
||||
} else {
|
||||
p = offsetable.GetDataOffset(l.streamStartOffset)
|
||||
}
|
||||
} else {
|
||||
p = packet.GetData()
|
||||
}
|
||||
|
||||
var data []byte
|
||||
for len(p) > 0 {
|
||||
length := icyInterval - l.counter
|
||||
if length <= len(p) {
|
||||
data = append(data, p[:length]...)
|
||||
data = append(data, l.writeIcy()...)
|
||||
l.counter = 0
|
||||
p = p[length:]
|
||||
} else {
|
||||
data = append(data, p...)
|
||||
l.counter += len(p)
|
||||
p = p[:0]
|
||||
}
|
||||
}
|
||||
|
||||
if len(l.sliceWriter) >= (cap(l.sliceWriter) - 1) {
|
||||
l.ctx.Fail(errors.New("client ran out of writer buffer"))
|
||||
return l.ctx.Error()
|
||||
}
|
||||
|
||||
l.sliceWriter <- data
|
||||
return nil
|
||||
}
|
||||
|
||||
func (l *Listener) Close() {
|
||||
close(l.sliceWriter)
|
||||
}
|
||||
|
|
@ -0,0 +1,35 @@
|
|||
package listener
|
||||
|
||||
import "git.gammaspectra.live/S.O.N.G/Kirika/audio/packetizer"
|
||||
|
||||
type Information struct {
|
||||
Identifier string `json:"identifier"`
|
||||
Mount string `json:"mount"`
|
||||
Path string `json:"path"`
|
||||
Start int64 `json:"start"`
|
||||
Headers []HeaderEntry `json:"headers"`
|
||||
}
|
||||
|
||||
type HeaderEntry struct {
|
||||
Name string `json:"name"`
|
||||
Value string `json:"value"`
|
||||
}
|
||||
|
||||
type Listener interface {
|
||||
Identifier() string
|
||||
Information() *Information
|
||||
HasStarted() bool
|
||||
Start(packets []packetizer.Packet) error
|
||||
Write(packet packetizer.Packet) error
|
||||
Close()
|
||||
}
|
||||
|
||||
/*
|
||||
type Listener struct {
|
||||
Information ListenerInformation
|
||||
Start func(packets []packetizer.Packet) error
|
||||
Write func(packet packetizer.Packet) error
|
||||
Close func()
|
||||
}
|
||||
|
||||
*/
|
||||
|
|
@ -0,0 +1,98 @@
|
|||
package plain
|
||||
|
||||
import (
|
||||
"errors"
|
||||
"git.gammaspectra.live/S.O.N.G/Kirika/audio/packetizer"
|
||||
"git.gammaspectra.live/S.O.N.G/MeteorLight/listener"
|
||||
"git.gammaspectra.live/S.O.N.G/MeteorLight/queue/metadata"
|
||||
"git.gammaspectra.live/S.O.N.G/MeteorLight/util"
|
||||
"sync/atomic"
|
||||
)
|
||||
|
||||
type Listener struct {
|
||||
information listener.Information
|
||||
started atomic.Bool
|
||||
streamStartOffset int64
|
||||
streamSamplesBuffer int64
|
||||
|
||||
ctx *util.RequestDone
|
||||
sliceWriter chan []byte
|
||||
offsetStart bool
|
||||
}
|
||||
|
||||
func NewListener(info listener.Information, ctx *util.RequestDone, sliceWriter chan []byte, samplesToBuffer int64, offsetStart bool) (*Listener, map[string]string) {
|
||||
return &Listener{
|
||||
information: info,
|
||||
ctx: ctx,
|
||||
sliceWriter: sliceWriter,
|
||||
offsetStart: offsetStart,
|
||||
streamSamplesBuffer: samplesToBuffer,
|
||||
streamStartOffset: -1,
|
||||
}, nil
|
||||
}
|
||||
|
||||
func (l *Listener) Identifier() string {
|
||||
return l.information.Identifier
|
||||
}
|
||||
|
||||
func (l *Listener) Information() *listener.Information {
|
||||
return &l.information
|
||||
}
|
||||
|
||||
func (l *Listener) HasStarted() bool {
|
||||
return l.started.Load()
|
||||
}
|
||||
|
||||
func (l *Listener) Start(packets []packetizer.Packet) error {
|
||||
if l.started.Swap(true) {
|
||||
return nil
|
||||
}
|
||||
|
||||
if len(packets) > 0 {
|
||||
sampleBufferMin := packets[len(packets)-1].GetStartSampleNumber() - l.streamSamplesBuffer
|
||||
for _, p := range packets {
|
||||
if p.KeepMode() != packetizer.Discard || p.GetEndSampleNumber() >= sampleBufferMin {
|
||||
if err := l.Write(p); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (l *Listener) Write(packet packetizer.Packet) error {
|
||||
if l.ctx.Done() {
|
||||
return l.ctx.Error()
|
||||
}
|
||||
|
||||
if _, ok := packet.(*metadata.Packet); ok {
|
||||
return nil
|
||||
}
|
||||
|
||||
if len(l.sliceWriter) >= (cap(l.sliceWriter) - 1) {
|
||||
l.ctx.Fail(errors.New("client ran out of writer buffer"))
|
||||
return l.ctx.Error()
|
||||
}
|
||||
|
||||
if offsetable, ok := packet.(packetizer.OffsetablePacket); l.offsetStart && ok {
|
||||
if l.streamStartOffset <= -1 {
|
||||
if offsetable.KeepMode() != packetizer.Keep {
|
||||
l.streamStartOffset = offsetable.GetStartSampleNumber()
|
||||
l.sliceWriter <- offsetable.GetDataOffset(l.streamStartOffset)
|
||||
} else {
|
||||
l.sliceWriter <- packet.GetData()
|
||||
}
|
||||
} else {
|
||||
l.sliceWriter <- offsetable.GetDataOffset(l.streamStartOffset)
|
||||
}
|
||||
} else {
|
||||
l.sliceWriter <- packet.GetData()
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func (l *Listener) Close() {
|
||||
close(l.sliceWriter)
|
||||
}
|
||||
995
queue.go
995
queue.go
|
|
@ -1,995 +0,0 @@
|
|||
package main
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"crypto/sha256"
|
||||
"encoding/binary"
|
||||
"encoding/hex"
|
||||
"encoding/json"
|
||||
"errors"
|
||||
"fmt"
|
||||
"git.gammaspectra.live/S.O.N.G/Kirika/audio"
|
||||
"git.gammaspectra.live/S.O.N.G/Kirika/audio/filter"
|
||||
"git.gammaspectra.live/S.O.N.G/Kirika/audio/format/guess"
|
||||
"git.gammaspectra.live/S.O.N.G/Kirika/audio/packetizer"
|
||||
"git.gammaspectra.live/S.O.N.G/Kirika/audio/queue"
|
||||
"git.gammaspectra.live/S.O.N.G/Kirika/audio/replaygain"
|
||||
"git.gammaspectra.live/S.O.N.G/MeteorLight/util"
|
||||
"github.com/dhowden/tag"
|
||||
"io"
|
||||
"log"
|
||||
"net/http"
|
||||
"os"
|
||||
"path"
|
||||
"runtime"
|
||||
"strconv"
|
||||
"strings"
|
||||
"sync"
|
||||
"sync/atomic"
|
||||
"time"
|
||||
)
|
||||
|
||||
const maxBufferSize = 10
|
||||
|
||||
type QueueTrackEntry struct {
|
||||
QueueIdentifier queue.QueueIdentifier
|
||||
Path string
|
||||
Metadata struct {
|
||||
Title interface{} `json:"title"`
|
||||
Album interface{} `json:"album"`
|
||||
Artist interface{} `json:"artist"`
|
||||
Art string `json:"art"`
|
||||
ReplayGain struct {
|
||||
TrackPeak float64 `json:"track_peak"`
|
||||
TrackGain float64 `json:"track_gain"`
|
||||
AlbumPeak float64 `json:"album_peak"`
|
||||
AlbumGain float64 `json:"album_gain"`
|
||||
} `json:"replay_gain,omitempty"`
|
||||
}
|
||||
reader io.ReadSeekCloser
|
||||
source audio.Source
|
||||
|
||||
original map[string]interface{}
|
||||
}
|
||||
|
||||
func (e *QueueTrackEntry) Title() string {
|
||||
if strVal, ok := e.Metadata.Title.(string); ok {
|
||||
return strVal
|
||||
} else if intVal, ok := e.Metadata.Title.(int); ok {
|
||||
return strconv.Itoa(intVal)
|
||||
}
|
||||
|
||||
return ""
|
||||
}
|
||||
|
||||
func (e *QueueTrackEntry) Album() string {
|
||||
if strVal, ok := e.Metadata.Album.(string); ok {
|
||||
return strVal
|
||||
} else if intVal, ok := e.Metadata.Album.(int); ok {
|
||||
return strconv.Itoa(intVal)
|
||||
}
|
||||
|
||||
return ""
|
||||
}
|
||||
|
||||
func (e *QueueTrackEntry) Artist() string {
|
||||
if strVal, ok := e.Metadata.Artist.(string); ok {
|
||||
return strVal
|
||||
} else if intVal, ok := e.Metadata.Artist.(int); ok {
|
||||
return strconv.Itoa(intVal)
|
||||
}
|
||||
|
||||
return ""
|
||||
}
|
||||
|
||||
func (e *QueueTrackEntry) Load() error {
|
||||
if e.source != nil {
|
||||
return nil
|
||||
}
|
||||
|
||||
fileName := path.Base(e.Path)
|
||||
|
||||
if len(e.Path) > 4 && e.Path[:4] == "http" {
|
||||
s, err := util.NewRangeReadSeekCloser(e.Path)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
fileName = s.GetFileName()
|
||||
|
||||
runtime.SetFinalizer(s, (*util.RangeReadSeekCloser).Close)
|
||||
|
||||
e.reader = s
|
||||
} else {
|
||||
f, err := os.Open(e.Path)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
runtime.SetFinalizer(f, (*os.File).Close)
|
||||
|
||||
e.reader = f
|
||||
}
|
||||
|
||||
if e.reader == nil {
|
||||
return errors.New("could not find stream opener")
|
||||
}
|
||||
|
||||
meta, err := tag.ReadFrom(e.reader)
|
||||
if err != nil {
|
||||
err = nil
|
||||
}
|
||||
if _, err = e.reader.Seek(0, io.SeekStart); err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
decoders, err := guess.GetDecoders(e.reader, fileName)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
source, err := guess.Open(e.reader, decoders)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
if source == nil {
|
||||
return fmt.Errorf("could not find decoder for %s", e.Path)
|
||||
}
|
||||
|
||||
e.source = source
|
||||
|
||||
//apply tags found on file
|
||||
if meta != nil {
|
||||
if e.Title() == "" {
|
||||
e.Metadata.Title = meta.Title()
|
||||
}
|
||||
if e.Album() == "" {
|
||||
e.Metadata.Album = meta.Album()
|
||||
}
|
||||
if e.Artist() == "" {
|
||||
e.Metadata.Artist = meta.Artist()
|
||||
}
|
||||
if e.Artist() == "" {
|
||||
e.Metadata.Artist = meta.AlbumArtist()
|
||||
}
|
||||
|
||||
tags := meta.Raw()
|
||||
var strValue string
|
||||
var value interface{}
|
||||
var ok bool
|
||||
|
||||
getDb := func(strValue string) (ret float64) {
|
||||
ret, _ = strconv.ParseFloat(strings.TrimSpace(strings.TrimSuffix(strings.ToLower(strValue), "db")), 64)
|
||||
return
|
||||
}
|
||||
|
||||
if e.Metadata.ReplayGain.TrackPeak == 0 {
|
||||
if value, ok = tags["replaygain_track_gain"]; ok {
|
||||
if strValue, ok = value.(string); ok {
|
||||
e.Metadata.ReplayGain.TrackGain = getDb(strValue)
|
||||
}
|
||||
}
|
||||
if value, ok = tags["replaygain_track_peak"]; ok {
|
||||
if strValue, ok = value.(string); ok {
|
||||
e.Metadata.ReplayGain.TrackPeak = getDb(strValue)
|
||||
}
|
||||
}
|
||||
if value, ok = tags["replaygain_album_gain"]; ok {
|
||||
if strValue, ok = value.(string); ok {
|
||||
e.Metadata.ReplayGain.AlbumGain = getDb(strValue)
|
||||
}
|
||||
}
|
||||
if value, ok = tags["replaygain_album_peak"]; ok {
|
||||
if strValue, ok = value.(string); ok {
|
||||
e.Metadata.ReplayGain.AlbumPeak = getDb(strValue)
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
type QueueMetadataPacket struct {
|
||||
sampleNumber int64
|
||||
TrackEntry *QueueTrackEntry
|
||||
}
|
||||
|
||||
func (p *QueueMetadataPacket) KeepMode() packetizer.KeepMode {
|
||||
return packetizer.KeepLast
|
||||
}
|
||||
|
||||
func (p *QueueMetadataPacket) GetStartSampleNumber() int64 {
|
||||
return p.sampleNumber
|
||||
}
|
||||
|
||||
func (p *QueueMetadataPacket) GetEndSampleNumber() int64 {
|
||||
return p.sampleNumber
|
||||
}
|
||||
|
||||
func (p *QueueMetadataPacket) Category() int64 {
|
||||
return -1
|
||||
}
|
||||
|
||||
func (p *QueueMetadataPacket) GetData() []byte {
|
||||
return nil
|
||||
}
|
||||
|
||||
type Queue struct {
|
||||
NowPlaying chan *QueueTrackEntry
|
||||
QueueEmpty chan *QueueTrackEntry
|
||||
duration atomic.Int64
|
||||
durationError int64
|
||||
audioQueue *queue.Queue
|
||||
mounts []*StreamMount
|
||||
queue []*QueueTrackEntry
|
||||
mutex sync.RWMutex
|
||||
config *Config
|
||||
wg sync.WaitGroup
|
||||
}
|
||||
|
||||
func NewQueue(config *Config) *Queue {
|
||||
if config.Queue.SampleRate <= 0 {
|
||||
config.Queue.SampleRate = 44100
|
||||
}
|
||||
|
||||
sampleFormat := audio.SourceInt16
|
||||
bitDepth := 16
|
||||
switch config.Queue.SampleFormat {
|
||||
case "f32", "float", "float32", "f32le":
|
||||
sampleFormat = audio.SourceFloat32
|
||||
bitDepth = 0
|
||||
case "i32", "s32", "int32", "int", "s32le":
|
||||
sampleFormat = audio.SourceInt32
|
||||
bitDepth = 32
|
||||
case "i16", "s16", "int16", "s16le":
|
||||
sampleFormat = audio.SourceInt16
|
||||
bitDepth = 16
|
||||
}
|
||||
if config.Queue.BitDepth > 0 {
|
||||
bitDepth = config.Queue.BitDepth
|
||||
}
|
||||
|
||||
q := &Queue{
|
||||
NowPlaying: make(chan *QueueTrackEntry, 1),
|
||||
QueueEmpty: make(chan *QueueTrackEntry),
|
||||
config: config,
|
||||
audioQueue: queue.NewQueue(sampleFormat, bitDepth, config.Queue.SampleRate, 2),
|
||||
}
|
||||
blocksPerSecond := 20
|
||||
|
||||
sources := filter.NewFilterChain(q.audioQueue.GetSource(), filter.NewBufferFilter(16), filter.NewRealTimeFilter(blocksPerSecond), filter.NewBufferFilter(maxBufferSize*blocksPerSecond)).Split(len(config.Streams))
|
||||
for i, s := range q.config.Streams {
|
||||
mount := NewStreamMount(sources[i], s)
|
||||
if mount == nil {
|
||||
log.Panicf("could not initialize %s\n", s.MountPath)
|
||||
}
|
||||
q.mounts = append(q.mounts, mount)
|
||||
q.wg.Add(1)
|
||||
go mount.Process(&q.wg)
|
||||
}
|
||||
|
||||
return q
|
||||
}
|
||||
|
||||
func (q *Queue) GetDuration() time.Duration {
|
||||
return time.Duration(q.duration.Load())
|
||||
}
|
||||
|
||||
func (q *Queue) Wait() {
|
||||
q.wg.Wait()
|
||||
close(q.NowPlaying)
|
||||
}
|
||||
|
||||
func (q *Queue) AddTrack(entry *QueueTrackEntry, tail bool) error {
|
||||
|
||||
if err := entry.Load(); err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
startCallback := func(queue *queue.Queue, queueEntry *queue.QueueEntry) {
|
||||
if e := q.Get(queueEntry.Identifier); e != nil { //is this needed?
|
||||
log.Printf("now playing \"%s\": %s - %s (%s)\n", e.Path, e.Metadata.Title, e.Metadata.Artist, e.Metadata.Album)
|
||||
q.NowPlaying <- e
|
||||
for _, mount := range q.mounts {
|
||||
_ = mount.MetadataQueue.Enqueue(&QueueMetadataPacket{
|
||||
//TODO: carry sample rate error
|
||||
sampleNumber: (q.duration.Load() * int64(queue.GetSampleRate())) / int64(time.Second),
|
||||
TrackEntry: e,
|
||||
})
|
||||
}
|
||||
} else {
|
||||
log.Printf("now playing \"%s\": %s - %s (%s)\n", entry.Path, entry.Metadata.Title, entry.Metadata.Artist, entry.Metadata.Album)
|
||||
}
|
||||
}
|
||||
|
||||
endCallback := func(queue *queue.Queue, entry *queue.QueueEntry) {
|
||||
|
||||
}
|
||||
|
||||
removeCallback := func(queue *queue.Queue, entry *queue.QueueEntry) {
|
||||
//TODO: carry sample rate error
|
||||
q.duration.Add(int64((time.Second * time.Duration(entry.ReadSamples.Load())) / time.Duration(entry.Source.GetSampleRate())))
|
||||
|
||||
q.Remove(entry.Identifier)
|
||||
q.HandleQueue()
|
||||
}
|
||||
|
||||
q.mutex.Lock()
|
||||
defer q.mutex.Unlock()
|
||||
|
||||
if q.config.Queue.Length > 0 && len(q.queue) >= q.config.Queue.Length {
|
||||
return errors.New("queue too long")
|
||||
}
|
||||
|
||||
source := entry.source
|
||||
if q.config.Queue.ReplayGain {
|
||||
if entry.Metadata.ReplayGain.TrackPeak != 0 {
|
||||
source = replaygain.NewReplayGainFilter(entry.Metadata.ReplayGain.TrackGain, entry.Metadata.ReplayGain.TrackPeak, 0).Process(source)
|
||||
} else {
|
||||
source = replaygain.NewNormalizationFilter(5).Process(source)
|
||||
}
|
||||
}
|
||||
|
||||
if tail {
|
||||
entry.QueueIdentifier = q.audioQueue.AddTail(source, startCallback, endCallback, removeCallback)
|
||||
} else {
|
||||
entry.QueueIdentifier = q.audioQueue.AddHead(source, startCallback, endCallback, removeCallback)
|
||||
}
|
||||
|
||||
entry.original["queue_id"] = entry.QueueIdentifier
|
||||
|
||||
if tail || len(q.queue) == 0 {
|
||||
q.queue = append(q.queue, entry)
|
||||
} else {
|
||||
q.queue = append(q.queue[:1], append([]*QueueTrackEntry{entry}, q.queue[1:]...)...)
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func (q *Queue) HandleQueue() {
|
||||
if q.audioQueue.GetQueueSize() == 0 {
|
||||
if err := q.AddTrack(<-q.QueueEmpty, true); err != nil {
|
||||
log.Printf("track addition error: \"%s\"", err)
|
||||
|
||||
//TODO: maybe fail after n tries
|
||||
time.Sleep(time.Second)
|
||||
|
||||
q.HandleQueue()
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func (q *Queue) GetQueue() (result []*QueueTrackEntry) {
|
||||
q.mutex.RLock()
|
||||
defer q.mutex.RUnlock()
|
||||
|
||||
if len(q.queue) > 1 {
|
||||
result = make([]*QueueTrackEntry, len(q.queue)-1)
|
||||
copy(result, q.queue[1:])
|
||||
}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func (q *Queue) Get(identifier queue.QueueIdentifier) *QueueTrackEntry {
|
||||
q.mutex.RLock()
|
||||
defer q.mutex.RUnlock()
|
||||
for _, e := range q.queue {
|
||||
if e.QueueIdentifier == identifier {
|
||||
return e
|
||||
}
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func (q *Queue) GetNowPlaying() *QueueTrackEntry {
|
||||
if e := q.audioQueue.GetQueueHead(); e != nil {
|
||||
return q.Get(e.Identifier)
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func (q *Queue) SkipNowPlaying() bool {
|
||||
if e := q.audioQueue.GetQueueHead(); e != nil {
|
||||
return q.Remove(e.Identifier)
|
||||
}
|
||||
|
||||
return false
|
||||
}
|
||||
|
||||
func (q *Queue) GetIndex(index int) *QueueTrackEntry {
|
||||
if e := q.audioQueue.GetQueueIndex(index + 1); e != nil {
|
||||
return q.Get(e.Identifier)
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func (q *Queue) GetHead() *QueueTrackEntry {
|
||||
if e := q.audioQueue.GetQueueIndex(1); e != nil {
|
||||
return q.Get(e.Identifier)
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func (q *Queue) GetTail() *QueueTrackEntry {
|
||||
if i, e := q.audioQueue.GetQueueTail(); i != 0 && e != nil {
|
||||
return q.Get(e.Identifier)
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func (q *Queue) Remove(identifier queue.QueueIdentifier) bool {
|
||||
q.mutex.Lock()
|
||||
for i, e := range q.queue {
|
||||
if e.QueueIdentifier == identifier {
|
||||
q.queue = append(q.queue[:i], q.queue[i+1:]...)
|
||||
q.mutex.Unlock()
|
||||
q.audioQueue.Remove(identifier)
|
||||
if e.reader != nil {
|
||||
e.reader.Close()
|
||||
}
|
||||
return true
|
||||
}
|
||||
}
|
||||
q.mutex.Unlock()
|
||||
q.audioQueue.Remove(identifier)
|
||||
return false
|
||||
}
|
||||
|
||||
func (q *Queue) RemoveListener(identifier string) bool {
|
||||
q.mutex.RLock()
|
||||
defer q.mutex.RUnlock()
|
||||
for _, mount := range q.mounts {
|
||||
if mount.RemoveListener(identifier) {
|
||||
return true
|
||||
}
|
||||
}
|
||||
return false
|
||||
}
|
||||
|
||||
func (q *Queue) GetListeners() (listeners []*ListenerInformation) {
|
||||
q.mutex.RLock()
|
||||
defer q.mutex.RUnlock()
|
||||
|
||||
listeners = make([]*ListenerInformation, 0, 1)
|
||||
|
||||
for _, mount := range q.mounts {
|
||||
listeners = append(listeners, mount.GetListeners()...)
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
type PacketStreamType uint64
|
||||
|
||||
// PacketStreamType The order of these fields is important and set on-wire protocol
|
||||
const (
|
||||
Header = PacketStreamType(iota)
|
||||
DataKeepLast
|
||||
DataKeep
|
||||
DataGroupKeep
|
||||
DataGroupDiscard
|
||||
DataDiscard
|
||||
TrackIdentifier
|
||||
TrackMetadata
|
||||
)
|
||||
|
||||
type packetStreamFrame struct {
|
||||
Type PacketStreamType
|
||||
Category int64
|
||||
StartSampleNumber int64
|
||||
DurationInSamples int64
|
||||
//automatically filled based on Data
|
||||
//Size uint64
|
||||
Data []byte
|
||||
}
|
||||
|
||||
func (p *packetStreamFrame) Encode() []byte {
|
||||
buf := new(bytes.Buffer)
|
||||
|
||||
varBuf := make([]byte, binary.MaxVarintLen64)
|
||||
|
||||
n := binary.PutUvarint(varBuf, uint64(p.Type))
|
||||
buf.Write(varBuf[:n])
|
||||
|
||||
n = binary.PutUvarint(varBuf, uint64(p.Category))
|
||||
buf.Write(varBuf[:n])
|
||||
|
||||
n = binary.PutVarint(varBuf, p.StartSampleNumber)
|
||||
buf.Write(varBuf[:n])
|
||||
|
||||
n = binary.PutVarint(varBuf, p.DurationInSamples)
|
||||
buf.Write(varBuf[:n])
|
||||
|
||||
n = binary.PutUvarint(varBuf, uint64(len(p.Data)))
|
||||
buf.Write(varBuf[:n])
|
||||
|
||||
buf.Write(p.Data)
|
||||
|
||||
return buf.Bytes()
|
||||
}
|
||||
|
||||
func (q *Queue) HandleRadioRequest(writer http.ResponseWriter, request *http.Request) {
|
||||
writer.Header().Set("Server", "MeteorLight/radio")
|
||||
writer.Header().Set("Connection", "close")
|
||||
writer.Header().Set("X-Content-Type-Options", "nosniff")
|
||||
writer.Header().Set("Access-Control-Allow-Origin", "*")
|
||||
writer.Header().Set("Access-Control-Allow-Headers", "Accept, Content-Type, Icy-Metadata")
|
||||
writer.Header().Set("Accept-Ranges", "none")
|
||||
writer.Header().Set("Connection", "close")
|
||||
|
||||
if strings.HasSuffix(request.URL.Path, "mounts") {
|
||||
writer.Header().Set("Content-Type", "application/json; charset=utf-8")
|
||||
writer.Header().Set("Access-Control-Expose-Headers", "Accept-Ranges, Server, Content-Type")
|
||||
|
||||
type mountData struct {
|
||||
Path string `json:"mount"`
|
||||
MimeType string `json:"mime"`
|
||||
FormatDescription string `json:"formatDescription"`
|
||||
SampleRate int `json:"sampleRate"`
|
||||
Channels int `json:"channels"`
|
||||
Listeners int `json:"listeners"`
|
||||
Options map[string]interface{} `json:"options"`
|
||||
}
|
||||
|
||||
var mounts []mountData
|
||||
|
||||
for _, mount := range q.mounts {
|
||||
mounts = append(mounts, mountData{
|
||||
Path: strings.TrimSuffix(request.URL.Path, "mounts") + mount.Mount,
|
||||
MimeType: mount.MimeType,
|
||||
SampleRate: mount.SampleRate,
|
||||
FormatDescription: mount.FormatDescription,
|
||||
Channels: mount.Channels,
|
||||
Listeners: len(mount.listeners),
|
||||
Options: mount.Options,
|
||||
})
|
||||
}
|
||||
|
||||
jsonBytes, _ := json.MarshalIndent(mounts, "", " ")
|
||||
|
||||
writer.WriteHeader(http.StatusOK)
|
||||
writer.Write(jsonBytes)
|
||||
return
|
||||
}
|
||||
|
||||
for _, mount := range q.mounts {
|
||||
if strings.HasSuffix(request.URL.Path, mount.Mount) {
|
||||
writer.Header().Set("Content-Type", mount.MimeType)
|
||||
writer.Header().Set("Cache-Control", "no-store, max-age=604800")
|
||||
writer.Header().Set("Access-Control-Expose-Headers", "Accept-Ranges, Server, Content-Type, Icy-MetaInt, X-Listener-Identifier")
|
||||
writer.Header().Set("Vary", "*")
|
||||
|
||||
rangeHeader := request.Header.Get("range")
|
||||
if rangeHeader != "" && rangeHeader != "bytes=0-" {
|
||||
//TODO: maybe should fail in case bytes are requested
|
||||
|
||||
if strings.Index(request.UserAgent(), " Safari/") != -1 && mount.MimeType == "audio/flac" {
|
||||
//Safari special case, fake Range check so it decodes afterwards.
|
||||
//Safari creates a request with Range for 0-1, specifically for FLAC, and expects a result supporting range. Afterwards it requests the whole file.
|
||||
//However the decoder is able to decode FLAC livestreams. If we fake the initial range response, then afterwards serve normal responses, Safari will happily work.
|
||||
//TODO: remove this AS SOON as safari works on its own
|
||||
//safariLargeFileValue arbitrary large value, cannot be that large or iOS Safari fails.
|
||||
safariLargeFileValue := 1024 * 1024 * 1024 * 1024 * 16 // 16 TiB
|
||||
|
||||
if rangeHeader == "bytes=0-1" {
|
||||
//first request
|
||||
writer.Header().Set("Accept-Ranges", "bytes")
|
||||
writer.Header().Set("Content-Range", fmt.Sprintf("bytes 0-1/%d", safariLargeFileValue)) //64 TiB max fake size
|
||||
writer.Header().Set("Content-Length", "2")
|
||||
writer.WriteHeader(http.StatusPartialContent)
|
||||
writer.Write([]byte{'f', 'L'})
|
||||
return
|
||||
} else if rangeHeader == fmt.Sprintf("bytes=0-%d", safariLargeFileValue-1) {
|
||||
//second request, serve status 200 to keep retries to a minimum
|
||||
writer.Header().Set("Content-Length", fmt.Sprintf("%d", safariLargeFileValue))
|
||||
writer.WriteHeader(http.StatusOK)
|
||||
} else if strings.HasPrefix(rangeHeader, "bytes=") && strings.HasSuffix(rangeHeader, fmt.Sprintf("-%d", safariLargeFileValue-1)) {
|
||||
//any other requests, these should fail
|
||||
writer.Header().Set("Content-Range", fmt.Sprintf("bytes %s/%d", strings.TrimPrefix(rangeHeader, "bytes="), safariLargeFileValue))
|
||||
writer.Header().Set("Accept-Ranges", "bytes")
|
||||
writer.WriteHeader(http.StatusRequestedRangeNotSatisfiable)
|
||||
return
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
bitrate := 0
|
||||
if value, ok := mount.Options["bitrate"]; ok {
|
||||
if intValue, ok := value.(int); ok {
|
||||
bitrate = intValue
|
||||
} else if int64Value, ok := value.(int64); ok {
|
||||
bitrate = int(int64Value)
|
||||
}
|
||||
}
|
||||
|
||||
//set some audiocast/icy radio headers
|
||||
writer.Header().Set("x-audiocast-name", q.config.Radio.Name)
|
||||
writer.Header().Set("x-audiocast-bitrate", fmt.Sprintf("%d", bitrate))
|
||||
writer.Header().Set("icy-name", q.config.Radio.Name)
|
||||
writer.Header().Set("icy-version", "2")
|
||||
writer.Header().Set("icy-index-metadata", "1")
|
||||
if q.config.Radio.Description != "" {
|
||||
writer.Header().Set("x-audiocast-description", q.config.Radio.Description)
|
||||
writer.Header().Set("icy-description", q.config.Radio.Description)
|
||||
}
|
||||
if q.config.Radio.URL != "" {
|
||||
writer.Header().Set("x-audiocast-url", q.config.Radio.URL)
|
||||
writer.Header().Set("icy-url", q.config.Radio.URL)
|
||||
}
|
||||
if q.config.Radio.Logo != "" {
|
||||
writer.Header().Set("icy-logo", q.config.Radio.Logo)
|
||||
}
|
||||
writer.Header().Set("icy-br", fmt.Sprintf("%d", bitrate))
|
||||
writer.Header().Set("icy-sr", fmt.Sprintf("%d", mount.SampleRate))
|
||||
writer.Header().Set("icy-audio-info", fmt.Sprintf("ice-channels=%d;ice-samplerate=%d;ice-bitrate=%d", mount.Channels, mount.SampleRate, bitrate))
|
||||
if q.config.Radio.Private {
|
||||
writer.Header().Set("icy-pub", "0")
|
||||
writer.Header().Set("icy-do-not-index", "1")
|
||||
writer.Header().Set("x-audiocast-public", "0")
|
||||
writer.Header().Set("x-robots-tag", "noindex, nofollow")
|
||||
} else {
|
||||
writer.Header().Set("icy-pub", "1")
|
||||
writer.Header().Set("icy-do-not-index", "0")
|
||||
writer.Header().Set("x-audiocast-public", "1")
|
||||
}
|
||||
|
||||
var packetWriteCallback func(packet packetizer.Packet) error
|
||||
|
||||
//buffer a bit, drop channels when buffer grows to not lock others. They will get disconnected elsewhere
|
||||
const byteSliceChannelBuffer = 1024 * 16
|
||||
writeChannel := make(chan []byte, byteSliceChannelBuffer)
|
||||
|
||||
requestDone := struct {
|
||||
Done atomic.Bool
|
||||
Lock sync.Mutex
|
||||
Error error
|
||||
}{}
|
||||
var wgClient sync.WaitGroup
|
||||
|
||||
//set X-Audio-Packet-Stream for strictly timed packets and metadata
|
||||
if numberValue, err := strconv.Atoi(request.Header.Get("x-audio-packet-stream")); err == nil && numberValue == 1 {
|
||||
//version 1
|
||||
|
||||
writer.Header().Set("x-audio-packet-stream", "1")
|
||||
writer.Header().Set("Content-Type", "application/x-audio-packet-stream")
|
||||
|
||||
packetWriteCallback = func(packet packetizer.Packet) error {
|
||||
if requestDone.Done.Load() {
|
||||
return requestDone.Error
|
||||
}
|
||||
if metadataPacket, ok := packet.(*QueueMetadataPacket); ok {
|
||||
|
||||
queueInfoBuf := make([]byte, binary.MaxVarintLen64)
|
||||
n := binary.PutVarint(queueInfoBuf, int64(metadataPacket.TrackEntry.QueueIdentifier))
|
||||
|
||||
if len(writeChannel) >= (byteSliceChannelBuffer - 1) {
|
||||
requestDone.Lock.Lock()
|
||||
defer requestDone.Lock.Unlock()
|
||||
requestDone.Error = errors.New("client ran out of buffer")
|
||||
requestDone.Done.Store(true)
|
||||
return requestDone.Error
|
||||
}
|
||||
|
||||
writeChannel <- (&packetStreamFrame{
|
||||
Type: TrackIdentifier,
|
||||
Category: packet.Category(),
|
||||
StartSampleNumber: packet.GetStartSampleNumber(),
|
||||
DurationInSamples: packet.GetEndSampleNumber() - packet.GetStartSampleNumber(),
|
||||
Data: queueInfoBuf[:n],
|
||||
}).Encode()
|
||||
|
||||
if metadataBytes, err := json.Marshal(metadataPacket.TrackEntry.Metadata); err == nil {
|
||||
if len(writeChannel) >= (byteSliceChannelBuffer - 1) {
|
||||
requestDone.Lock.Lock()
|
||||
defer requestDone.Lock.Unlock()
|
||||
requestDone.Error = errors.New("client ran out of buffer")
|
||||
requestDone.Done.Store(true)
|
||||
return requestDone.Error
|
||||
}
|
||||
|
||||
writeChannel <- (&packetStreamFrame{
|
||||
Type: TrackMetadata,
|
||||
Category: packet.Category(),
|
||||
StartSampleNumber: packet.GetStartSampleNumber(),
|
||||
DurationInSamples: packet.GetEndSampleNumber() - packet.GetStartSampleNumber(),
|
||||
Data: metadataBytes,
|
||||
}).Encode()
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
if len(writeChannel) >= (byteSliceChannelBuffer - 1) {
|
||||
requestDone.Lock.Lock()
|
||||
defer requestDone.Lock.Unlock()
|
||||
requestDone.Error = errors.New("client ran out of buffer")
|
||||
requestDone.Done.Store(true)
|
||||
return requestDone.Error
|
||||
}
|
||||
|
||||
var frameType PacketStreamType
|
||||
switch packet.KeepMode() {
|
||||
case packetizer.KeepLast:
|
||||
frameType = DataKeepLast
|
||||
case packetizer.Keep:
|
||||
frameType = DataKeep
|
||||
case packetizer.GroupKeep:
|
||||
frameType = DataGroupKeep
|
||||
case packetizer.GroupDiscard:
|
||||
frameType = DataGroupDiscard
|
||||
case packetizer.Discard:
|
||||
frameType = DataDiscard
|
||||
default:
|
||||
return errors.New("unknown KeepMode")
|
||||
}
|
||||
|
||||
writeChannel <- (&packetStreamFrame{
|
||||
Type: frameType,
|
||||
Category: packet.Category(),
|
||||
StartSampleNumber: packet.GetStartSampleNumber(),
|
||||
DurationInSamples: packet.GetEndSampleNumber() - packet.GetStartSampleNumber(),
|
||||
Data: packet.GetData(),
|
||||
}).Encode()
|
||||
return nil
|
||||
}
|
||||
|
||||
headerBytes := new(bytes.Buffer)
|
||||
|
||||
binary.Write(headerBytes, binary.LittleEndian, int64(mount.Channels))
|
||||
binary.Write(headerBytes, binary.LittleEndian, int64(mount.SampleRate))
|
||||
binary.Write(headerBytes, binary.LittleEndian, int32(len(mount.MimeType)))
|
||||
headerBytes.Write([]byte(mount.MimeType))
|
||||
|
||||
writeChannel <- (&packetStreamFrame{
|
||||
Type: Header,
|
||||