Files
go2rtc/cmd/mp4/ws.go
T
2023-01-18 15:04:06 +03:00

143 lines
3.0 KiB
Go

package mp4
import (
"errors"
"github.com/AlexxIT/go2rtc/cmd/api"
"github.com/AlexxIT/go2rtc/cmd/streams"
"github.com/AlexxIT/go2rtc/pkg/mp4"
"github.com/AlexxIT/go2rtc/pkg/streamer"
"strings"
)
const packetSize = 1400
func handlerWSMSE(tr *api.Transport, msg *api.Message) error {
src := tr.Request.URL.Query().Get("src")
stream := streams.GetOrNew(src)
if stream == nil {
return errors.New(api.StreamNotFound)
}
cons := &mp4.Consumer{
RemoteAddr: tr.Request.RemoteAddr,
UserAgent: tr.Request.UserAgent(),
}
cons.UserAgent = tr.Request.UserAgent()
cons.RemoteAddr = tr.Request.RemoteAddr
if codecs, ok := msg.Value.(string); ok {
log.Trace().Str("codecs", codecs).Msgf("[mp4] new WS/MSE consumer")
cons.Medias = parseMedias(codecs, true)
}
cons.Listen(func(msg interface{}) {
if data, ok := msg.([]byte); ok {
for len(data) > packetSize {
tr.Write(data[:packetSize])
data = data[packetSize:]
}
tr.Write(data)
}
})
if err := stream.AddConsumer(cons); err != nil {
log.Debug().Err(err).Msg("[mp4] add consumer")
return err
}
tr.OnClose(func() {
stream.RemoveConsumer(cons)
})
tr.Write(&api.Message{Type: "mse", Value: cons.MimeType()})
data, err := cons.Init()
if err != nil {
log.Warn().Err(err).Caller().Send()
return err
}
tr.Write(data)
cons.Start()
return nil
}
func handlerWSMP4(tr *api.Transport, msg *api.Message) error {
src := tr.Request.URL.Query().Get("src")
stream := streams.GetOrNew(src)
if stream == nil {
return errors.New(api.StreamNotFound)
}
cons := &mp4.Segment{
RemoteAddr: tr.Request.RemoteAddr,
UserAgent: tr.Request.UserAgent(),
OnlyKeyframe: true,
}
if codecs, ok := msg.Value.(string); ok {
log.Trace().Str("codecs", codecs).Msgf("[mp4] new WS/MP4 consumer")
cons.Medias = parseMedias(codecs, false)
}
cons.Listen(func(msg interface{}) {
if data, ok := msg.([]byte); ok {
tr.Write(data)
}
})
if err := stream.AddConsumer(cons); err != nil {
log.Error().Err(err).Caller().Send()
return err
}
tr.Write(&api.Message{Type: "mp4", Value: cons.MimeType})
tr.OnClose(func() {
stream.RemoveConsumer(cons)
})
return nil
}
func parseMedias(codecs string, parseAudio bool) (medias []*streamer.Media) {
var videos []*streamer.Codec
var audios []*streamer.Codec
for _, name := range strings.Split(codecs, ",") {
switch name {
case "avc1.640029":
codec := &streamer.Codec{Name: streamer.CodecH264}
videos = append(videos, codec)
case "hvc1.1.6.L153.B0":
codec := &streamer.Codec{Name: streamer.CodecH265}
videos = append(videos, codec)
case "mp4a.40.2":
codec := &streamer.Codec{Name: streamer.CodecAAC}
audios = append(audios, codec)
}
}
if videos != nil {
media := &streamer.Media{
Kind: streamer.KindVideo,
Direction: streamer.DirectionRecvonly,
Codecs: videos,
}
medias = append(medias, media)
}
if audios != nil && parseAudio {
media := &streamer.Media{
Kind: streamer.KindAudio,
Direction: streamer.DirectionRecvonly,
Codecs: audios,
}
medias = append(medias, media)
}
return
}