av/mpegts/mpegts_test.go

73 lines
2.0 KiB
Go

/*
NAME
MpegTs.go - provides a data structure intended to encapsulate the properties
of an MpegTs packet.
DESCRIPTION
See Readme.md
AUTHOR
Saxon Nelson-Milton <saxon.milton@gmail.com>
LICENSE
MpegTs.go is Copyright (C) 2017 the Australian Ocean Lab (AusOcean)
It is free software: you can redistribute it and/or modify them
under the terms of the GNU General Public License as published by the
Free Software Foundation, either version 3 of the License, or (at your
option) any later version.
It is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with revid in gpl.txt. If not, see [GNU licenses](http://www.gnu.org/licenses).
*/
package mpegts
import (
_ "fmt"
"testing"
)
// Just ensure that we can create a byte slice with a mpegts packet correctly
func TestMpegTsToByteSlice(t *testing.T) {
payload := []byte{0x56, 0xA2, 0x78, 0x89, 0x67}
pcr := 100000 // => 100000
stuffing := make([]byte, 171)
for i := range stuffing {
stuffing[i] = 0xFF
}
tsPkt := MpegTsPacket{
PUSI: true,
PID: uint16(256),
AFC: byte(3),
AFL: 7 + 171,
CC: byte(6),
PCRF: true,
PCR: uint64(pcr),
Stuff: stuffing,
Payload: payload,
}
expectedOutput := []byte{0x47, 0x41, 0x00, 0x36, byte(178), 0x10}
for i := 40; i >= 0; i -= 8 {
expectedOutput = append(expectedOutput, byte(pcr>>uint(i)))
}
for i := 0; i < 171; i++ {
expectedOutput = append(expectedOutput, 0xFF)
}
expectedOutput = append(expectedOutput, payload...)
tsPktAsByteSlice, err := tsPkt.ToByteSlice()
if err != nil {
t.Errorf("Should not have got error!: %v", err)
}
for i := 0; i < 188; i++ {
if tsPktAsByteSlice[i] != expectedOutput[i] {
t.Errorf("Conversion to byte slice bad! Byte: %v Wanted: %v Got: %v", i, expectedOutput[i], tsPktAsByteSlice[i])
}
}
}