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https://github.com/Monibuca/engine.git
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57 lines
1.2 KiB
Go
57 lines
1.2 KiB
Go
package track
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import (
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"io"
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"time"
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"go.uber.org/zap"
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"m7s.live/engine/v4/codec"
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. "m7s.live/engine/v4/common"
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"m7s.live/engine/v4/util"
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)
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var _ SpesificTrack = (*G711)(nil)
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func NewG711(stream IStream, alaw bool, stuff ...any) (g711 *G711) {
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g711 = &G711{}
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if alaw {
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g711.Name = "pcma"
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} else {
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g711.Name = "pcmu"
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}
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if alaw {
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g711.CodecID = codec.CodecID_PCMA
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} else {
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g711.CodecID = codec.CodecID_PCMU
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}
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g711.SampleSize = 8
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g711.Channels = 1
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g711.AVCCHead = []byte{(byte(g711.CodecID) << 4) | (1 << 1)}
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g711.SetStuff(stream, int(32), byte(97), uint32(8000), g711, time.Millisecond*10)
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g711.SetStuff(stuff...)
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g711.Attach()
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return
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}
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type G711 struct {
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Audio
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}
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func (g711 *G711) WriteAVCC(ts uint32, frame *util.BLL) error {
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if l := frame.ByteLength; l < 2 {
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g711.Error("AVCC data too short", zap.Int("len", l))
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return io.ErrShortWrite
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}
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g711.Value.AUList.Push(g711.BytesPool.GetShell(frame.Next.Value[1:]))
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frame.Range(func(v util.Buffer) bool {
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g711.Value.AUList.Push(g711.BytesPool.GetShell(v))
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return true
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})
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g711.Audio.WriteAVCC(ts, frame)
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return nil
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}
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func (g711 *G711) WriteRTPFrame(frame *RTPFrame) {
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g711.AppendAuBytes(frame.Payload)
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}
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