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🐛 FIX: rtp分包aac

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This commit is contained in:
dexter
2022-11-14 10:32:50 +08:00
parent 389f8a2e89
commit 47779f28cc
5 changed files with 30 additions and 39 deletions
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36
codec/codec.go
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@@ -2,8 +2,6 @@ package codec
import (
"errors"
"m7s.live/engine/v4/util"
)
type AudioCodecID byte
@@ -70,7 +68,7 @@ type GASpecificConfig struct {
// ISO/IEC 13838-7 20(25)/page
//
// Advanced Audio Coding
// # Advanced Audio Coding
//
// AudioDataTransportStream
type ADTS struct {
@@ -109,7 +107,6 @@ type ADTSFixedHeader struct {
// 1: Low Complexity profile(LC)
// 2: Scalable Sampling Rate profile(SSR)
// 3: Reserved
//
var SamplingFrequencies = [...]int{96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050, 16000, 12000, 11025, 8000, 7350, 0, 0, 0}
// Sampling Frequencies[]:
@@ -220,18 +217,19 @@ func AudioSpecificConfigToADTS(asc *AudioSpecificConfig, rawDataLength int) (adt
return
}
func ParseRTPAAC(payload []byte) (result [][]byte) {
auHeaderLen := util.ReadBE[int](payload[:2]) >> 3
var auLenArray []int
for iIndex := 2; iIndex <= auHeaderLen; iIndex += 2 {
auLen := util.ReadBE[int](payload[iIndex:iIndex+2]) >> 3
auLenArray = append(auLenArray, auLen)
}
startOffset := 2 + auHeaderLen
for _, auLen := range auLenArray {
endOffset := startOffset + auLen
result = append(result, payload[startOffset:endOffset])
startOffset = startOffset + auLen
}
return
}
// func ParseRTPAAC(payload []byte) (result [][]byte) {
// auHeaderLen := util.ReadBE[int](payload[:2]) >> 3
// var auLenArray []int
// for iIndex := 2; iIndex <= auHeaderLen; iIndex += 2 {
// auLen := util.ReadBE[int](payload[iIndex:iIndex+2]) >> 3
// auLenArray = append(auLenArray, auLen)
// }
// startOffset := 2 + auHeaderLen
// for _, auLen := range auLenArray {
// endOffset := startOffset + auLen
// result = append(result, payload[startOffset:endOffset])
// startOffset = startOffset + auLen
// }
// return
// }