apps/plugin-rtsp
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完成音频解析

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This commit is contained in:
langhuihui
2020-03-09 22:19:44 +08:00
parent cad12f2438
commit 1e6c07850a
1 changed files with 21 additions and 7 deletions
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22
main.go
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@@ -153,19 +153,33 @@ func (rtsp *RTSP) run() {
} else if data[1] == 2 { } else if data[1] == 2 {
// audio // audio
cc := data[4] & 0xF
rtphdr := 12 + cc*4
payload := data[4+rtphdr:]
if !aacsent { if !aacsent {
av := NewAVPacket(FLV_TAG_TYPE_AUDIO) av := NewAVPacket(FLV_TAG_TYPE_AUDIO)
av.Payload = append([]byte{0xAF, 0x00}, rtsp.AudioSpecificConfig...) av.Payload = append([]byte{0xAF, 0x00}, rtsp.AudioSpecificConfig...)
rtsp.PushAudio(av) rtsp.PushAudio(av)
aacsent = true aacsent = true
} }
cc := data[4] & 0xF
rtphdr := 12 + cc*4
payload := data[4+rtphdr:]
auHeaderLen := (int16(payload[0]) << 8) + int16(payload[1])
auHeaderLen = auHeaderLen >> 3
auHeaderCount := int(auHeaderLen / 2)
var auLenArray []int
for iIndex := 0; iIndex < int(auHeaderCount); iIndex++ {
auHeaderInfo := (int16(payload[2+2*iIndex]) << 8) + int16(payload[2+2*iIndex+1])
auLen := auHeaderInfo >> 3
auLenArray = append(auLenArray, int(auLen))
}
startOffset := 2 + 2*auHeaderCount
for _, auLen := range auLenArray {
endOffset := startOffset + auLen
av := NewAVPacket(FLV_TAG_TYPE_AUDIO) av := NewAVPacket(FLV_TAG_TYPE_AUDIO)
addHead := []byte{0xAF, 0x01} addHead := []byte{0xAF, 0x01}
av.Payload = append(addHead, payload...) av.Payload = append(addHead, payload[startOffset:endOffset]...)
rtsp.PushAudio(av) rtsp.PushAudio(av)
startOffset = startOffset + auLen
}
} }
} }
} }