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galene/rtpconn/codec_test.go

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package rtpconn
import (
"testing"
)
var vp8 = []byte{
0x80, 0, 0, 42,
0, 0, 0, 0,
0, 0, 0, 0,
0x90, 0x80, 0x80, 57,
0, 0, 0, 0,
}
func TestPacketFlags(t *testing.T) {
buf := append([]byte{}, vp8...)
seqno, start, pid, tid, sid, layersync, discardable, err :=
packetFlags("video/vp8", buf)
if seqno != 42 || !start || pid != 57 || sid != 0 || tid != 0 ||
layersync || discardable || err != nil {
t.Errorf("Got %v, %v, %v, %v, %v, %v (%v)",
seqno, start, pid, sid, layersync, discardable, err,
)
}
}
func TestRewrite(t *testing.T) {
for i := uint16(0); i < 0x7fff; i++ {
buf := append([]byte{}, vp8...)
err := rewritePacket("video/vp8", buf, i, i)
if err != nil {
t.Errorf("rewrite: %v", err)
continue
}
seqno, _, pid, _, _, _, _, err := packetFlags("video/vp8", buf)
if err != nil || seqno != i || pid != (57 + i) & 0x7FFF {
t.Errorf("Expected %v %v, got %v %v (%v)",
i, (57 + i) & 0x7FFF, seqno, pid, err)
}
}
}