30 lines
614 B
Go
30 lines
614 B
Go
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package audio
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import (
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"github.com/status-im/status-go/protocol/protobuf"
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)
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func aac(buf []byte) bool {
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return len(buf) > 1 &&
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((buf[0] == 0xFF && buf[1] == 0xF1) ||
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(buf[0] == 0xFF && buf[1] == 0xF9))
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}
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func amr(buf []byte) bool {
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return len(buf) > 11 &&
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buf[0] == 0x23 && buf[1] == 0x21 &&
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buf[2] == 0x41 && buf[3] == 0x4D &&
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buf[4] == 0x52 && buf[5] == 0x0A
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}
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func Type(buf []byte) protobuf.AudioMessage_AudioType {
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switch {
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case aac(buf):
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return protobuf.AudioMessage_AAC
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case amr(buf):
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return protobuf.AudioMessage_AMR
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default:
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return protobuf.AudioMessage_UNKNOWN_AUDIO_TYPE
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}
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}
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