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package h264reader
import (
"bytes"
"io"
"testing"
"github.com/stretchr/testify/require"
)
func CreateReader(h264 []byte, require *require.Assertions) *H264Reader {
reader, err := NewReader(bytes.NewReader(h264))
require.Nil(err)
require.NotNil(reader)
return reader
}
func TestDataDoesNotStartWithH264Header(t *testing.T) {
require := require.New(t)
testFunction := func(input []byte, expectedErr error) {
reader := CreateReader(input, require)
nal, err := reader.NextNAL()
require.ErrorIs(err, expectedErr)
require.Nil(nal)
}
h264Bytes1 := []byte{2}
testFunction(h264Bytes1, io.EOF)
h264Bytes2 := []byte{0, 2}
testFunction(h264Bytes2, io.EOF)
h264Bytes3 := []byte{0, 0, 2}
testFunction(h264Bytes3, io.EOF)
h264Bytes4 := []byte{0, 0, 2, 0}
testFunction(h264Bytes4, errDataIsNotH264Stream)
h264Bytes5 := []byte{0, 0, 0, 2}
testFunction(h264Bytes5, errDataIsNotH264Stream)
}
func TestParseHeader(t *testing.T) {
require := require.New(t)
h264Bytes := []byte{0x0, 0x0, 0x1, 0xAB}
reader := CreateReader(h264Bytes, require)
nal, err := reader.NextNAL()
require.Nil(err)
require.Equal(1, len(nal.Data))
require.True(nal.ForbiddenZeroBit)
require.Equal(uint32(0), nal.PictureOrderCount)
require.Equal(uint8(1), nal.RefIdc)
require.Equal(NalUnitTypeEndOfStream, nal.UnitType)
}
func TestEOF(t *testing.T) {
require := require.New(t)
testFunction := func(input []byte) {
reader := CreateReader(input, require)
nal, err := reader.NextNAL()
require.Equal(io.EOF, err)
require.Nil(nal)
}
h264Bytes1 := []byte{0, 0, 0, 1}
testFunction(h264Bytes1)
h264Bytes2 := []byte{0, 0, 1}
testFunction(h264Bytes2)
h264Bytes3 := []byte{}
testFunction(h264Bytes3)
}
func TestSkipSEI(t *testing.T) {
require := require.New(t)
h264Bytes := []byte{
0x0, 0x0, 0x0, 0x1, 0xAA,
0x0, 0x0, 0x0, 0x1, 0x6, // SEI
0x0, 0x0, 0x0, 0x1, 0xAB,
}
reader := CreateReader(h264Bytes, require)
nal, err := reader.NextNAL()
require.Nil(err)
require.Equal(byte(0xAA), nal.Data[0])
nal, err = reader.NextNAL()
require.Nil(err)
require.Equal(byte(0xAB), nal.Data[0])
}
func TestIssue1734_NextNal(t *testing.T) {
tt := [...][]byte{
[]byte("\x00\x00\x010\x00\x00\x01\x00\x00\x01"),
[]byte("\x00\x00\x00\x01\x00\x00\x01"),
}
for _, cur := range tt {
r, err := NewReader(bytes.NewReader(cur))
require.NoError(t, err)
// Just make sure it doesn't crash
for {
nal, err := r.NextNAL()
if err != nil || nal == nil {
break
}
}
}
}
func TestTrailing01AfterStartCode(t *testing.T) {
r, err := NewReader(bytes.NewReader([]byte{
0x0, 0x0, 0x0, 0x1, 0x01,
0x0, 0x0, 0x0, 0x1, 0x01,
}))
require.NoError(t, err)
for i := 0; i <= 1; i++ {
nal, err := r.NextNAL()
require.NoError(t, err)
require.NotNil(t, nal)
}
}
|
