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consumer.go
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consumer.go
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package rtc
import (
"encoding/json"
"time"
"github.com/byyam/mediasoup-go-worker/internal/utils"
"github.com/byyam/mediasoup-go-worker/mediasoupdata"
"github.com/byyam/mediasoup-go-worker/mserror"
"github.com/byyam/mediasoup-go-worker/pkg/rtpparser"
"github.com/byyam/mediasoup-go-worker/workerchannel"
"github.com/kr/pretty"
"github.com/pion/rtcp"
)
type IConsumer interface {
GetId() string
Close()
FillJson() json.RawMessage
HandleRequest(request workerchannel.RequestData, response *workerchannel.ResponseData)
GetType() mediasoupdata.ConsumerType
GetRtpParameters() mediasoupdata.RtpParameters
SendRtpPacket(packet *rtpparser.Packet)
ReceiveKeyFrameRequest(feedbackFormat uint8, ssrc uint32)
GetMediaSsrcs() []uint32
GetKind() mediasoupdata.MediaKind
GetConsumableRtpEncodings() []mediasoupdata.RtpEncodingParameters
ReceiveRtcpReceiverReport(report *rtcp.ReceptionReport)
ReceiveNack(nackPacket *rtcp.TransportLayerNack)
GetRtpStreams() []*RtpStreamSend
GetRtcp(rtpStream *RtpStreamSend, now time.Time) []rtcp.Packet
NeedWorstRemoteFractionLost(worstRemoteFractionLost *uint8)
}
type Consumer struct {
Id string
ProducerId string
Kind mediasoupdata.MediaKind
RtpHeaderExtensionIds RtpHeaderExtensionIds
mediaSsrcs []uint32
rtxSsrcs []uint32
supportedCodecPayloadTypes []uint8
consumerType mediasoupdata.ConsumerType
rtpParameters mediasoupdata.RtpParameters
consumableRtpEncodings []mediasoupdata.RtpEncodingParameters
fillJsonStatsFunc func() json.RawMessage
logger utils.Logger
}
func (c *Consumer) GetRtcp(rtpStream *RtpStreamSend, now time.Time) []rtcp.Packet {
panic("implement me")
}
func (c *Consumer) GetRtpStreams() []*RtpStreamSend {
panic("implement me")
}
func (c *Consumer) GetKind() mediasoupdata.MediaKind {
return c.Kind
}
func (c *Consumer) SendRtpPacket(packet *rtpparser.Packet) {
panic("implement me")
}
func (c *Consumer) GetType() mediasoupdata.ConsumerType {
return c.consumerType
}
func (c *Consumer) GetRtpParameters() mediasoupdata.RtpParameters {
return c.rtpParameters
}
func (c *Consumer) GetConsumableRtpEncodings() []mediasoupdata.RtpEncodingParameters {
return c.consumableRtpEncodings
}
func (c *Consumer) GetId() string {
return c.Id
}
func (c *Consumer) Close() {
c.logger.Info("%s closed", c.Id)
}
func (c *Consumer) FillJson() json.RawMessage {
jsonData := mediasoupdata.ConsumerDump{
Id: c.Id,
ProducerId: c.ProducerId,
Kind: string(c.Kind),
Type: string(c.consumerType),
RtpParameters: c.rtpParameters,
ConsumableRtpEncodings: nil,
SupportedCodecPayloadTypes: nil,
Paused: false,
ProducerPaused: false,
Priority: 0,
TraceEventTypes: "",
RtpStreams: nil,
RtpStream: nil,
SimulcastConsumerDump: nil,
}
data, _ := json.Marshal(&jsonData)
c.logger.Debug("dump:%+v", jsonData)
return data
}
func (c *Consumer) FillJsonStats() json.RawMessage {
return c.fillJsonStatsFunc()
}
type consumerParam struct {
id string
producerId string
kind mediasoupdata.MediaKind
rtpParameters mediasoupdata.RtpParameters
consumableRtpEncodings []mediasoupdata.RtpEncodingParameters
fillJsonStatsFunc func() json.RawMessage
}
func (c consumerParam) valid() bool {
if len(c.consumableRtpEncodings) == 0 {
return false
}
if !c.rtpParameters.Valid() {
return false
}
if c.fillJsonStatsFunc == nil {
return false
}
return true
}
func newConsumer(typ mediasoupdata.ConsumerType, param consumerParam) (IConsumer, error) {
if !param.valid() {
return nil, mserror.ErrInvalidParam
}
c := &Consumer{
Id: param.id,
logger: utils.NewLogger("consumer", param.id),
consumerType: typ,
Kind: param.kind,
rtpParameters: param.rtpParameters,
consumableRtpEncodings: param.consumableRtpEncodings,
fillJsonStatsFunc: param.fillJsonStatsFunc,
}
c.logger.Info("input param for consumer: %# v", pretty.Formatter(param))
// init consumer with param
if err := c.init(param); err != nil {
return nil, err
}
c.logger.Info("new consumer:%# v", pretty.Formatter(c.rtpParameters))
c.logger.Info("new consumer:%# v", pretty.Formatter(c.consumableRtpEncodings))
c.logger.Info("new consumer:%# v", pretty.Formatter(c.mediaSsrcs))
return c, nil
}
func (c *Consumer) init(param consumerParam) error {
if err := c.rtpParameters.Init(); err != nil {
return err
}
if err := c.RtpHeaderExtensionIds.set(param.rtpParameters.HeaderExtensions, false); err != nil {
c.logger.Error("set RtpHeaderExtensionIds failed:%v", err)
return err
}
c.logger.Info("set RtpHeaderExtensionIds:%# v", pretty.Formatter(c.RtpHeaderExtensionIds))
// Fill supported codec payload types.
for _, codec := range c.rtpParameters.Codecs {
if codec.RtpCodecMimeType.IsMediaCodec() {
c.supportedCodecPayloadTypes = append(c.supportedCodecPayloadTypes, codec.PayloadType)
}
}
// Fill media SSRCs vector.
for _, encoding := range c.rtpParameters.Encodings {
c.mediaSsrcs = append(c.mediaSsrcs, encoding.Ssrc)
}
// todo: Fill RTX SSRCs vector.
//for _, encoding := range c.rtpParameters.Encodings {
//}
return nil
}
func (c *Consumer) ReceiveKeyFrameRequest(feedbackFormat uint8, ssrc uint32) {
panic("implement me")
}
func (c *Consumer) GetMediaSsrcs() []uint32 {
return c.mediaSsrcs
}
func (c *Consumer) HandleRequest(request workerchannel.RequestData, response *workerchannel.ResponseData) {
defer func() {
c.logger.Debug("method=%s,internal=%+v,response:%s", request.Method, request.Internal, response)
}()
switch request.Method {
case mediasoupdata.MethodConsumerDump:
response.Data = c.FillJson()
case mediasoupdata.MethodConsumerGetStats:
response.Data = c.FillJsonStats()
}
}
func (c *Consumer) ReceiveRtcpReceiverReport(report *rtcp.ReceptionReport) {
panic("implement me")
}
func (c *Consumer) ReceiveNack(nackPacket *rtcp.TransportLayerNack) {
panic("implement me")
}
func (c *Consumer) NeedWorstRemoteFractionLost(worstRemoteFractionLost *uint8) {
panic("implement me")
}