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Make raw audio decoder more practical

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This commit is contained in:
Lukas Herman
2020-06-09 09:29:30 -04:00
parent c3c1177455
commit 122aec0536
3 changed files with 251 additions and 139 deletions
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55
pkg/wave/decoder_test.go
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@@ -93,12 +93,45 @@ func TestCalculateChunkInfo(t *testing.T) {
}
}
func TestNewDecoder(t *testing.T) {
rawFormats := []RawFormat{
{
SampleSize: 2,
IsFloat: false,
Interleaved: false,
},
{
SampleSize: 4,
IsFloat: true,
Interleaved: false,
},
{
SampleSize: 2,
IsFloat: false,
Interleaved: true,
},
{
SampleSize: 4,
IsFloat: true,
Interleaved: true,
},
}
for _, rawFormat := range rawFormats {
_, err := NewDecoder(&rawFormat)
if err != nil {
t.Fatal(err)
}
}
}
func TestDecodeInt16Interleaved(t *testing.T) {
raw := []byte{
// 16 bits per channel
0x01, 0x02, 0x03, 0x04,
0x05, 0x06, 0x07, 0x08,
}
decoder, _ := newInt16InterleavedDecoder()
t.Run("BigEndian", func(t *testing.T) {
expected := &Int16Interleaved{
@@ -113,7 +146,7 @@ func TestDecodeInt16Interleaved(t *testing.T) {
Channels: 2,
},
}
actual, err := decodeInt16Interleaved(binary.BigEndian, raw, 2)
actual, err := decoder.Decode(binary.BigEndian, raw, 2)
if err != nil {
t.Fatal(err)
}
@@ -136,7 +169,7 @@ func TestDecodeInt16Interleaved(t *testing.T) {
Channels: 2,
},
}
actual, err := decodeInt16Interleaved(binary.LittleEndian, raw, 2)
actual, err := decoder.Decode(binary.LittleEndian, raw, 2)
if err != nil {
t.Fatal(err)
}
@@ -154,6 +187,8 @@ func TestDecodeInt16NonInterleaved(t *testing.T) {
0x05, 0x06, 0x07, 0x08,
}
decoder, _ := newInt16NonInterleavedDecoder()
t.Run("BigEndian", func(t *testing.T) {
expected := &Int16NonInterleaved{
Data: [][]int16{
@@ -165,7 +200,7 @@ func TestDecodeInt16NonInterleaved(t *testing.T) {
Channels: 2,
},
}
actual, err := decodeInt16NonInterleaved(binary.BigEndian, raw, 2)
actual, err := decoder.Decode(binary.BigEndian, raw, 2)
if err != nil {
t.Fatal(err)
}
@@ -186,7 +221,7 @@ func TestDecodeInt16NonInterleaved(t *testing.T) {
Channels: 2,
},
}
actual, err := decodeInt16NonInterleaved(binary.LittleEndian, raw, 2)
actual, err := decoder.Decode(binary.LittleEndian, raw, 2)
if err != nil {
t.Fatal(err)
}
@@ -204,6 +239,8 @@ func TestDecodeFloat32Interleaved(t *testing.T) {
0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10,
}
decoder, _ := newFloat32InterleavedDecoder()
t.Run("BigEndian", func(t *testing.T) {
expected := &Float32Interleaved{
Data: []float32{
@@ -217,7 +254,7 @@ func TestDecodeFloat32Interleaved(t *testing.T) {
Channels: 2,
},
}
actual, err := decodeFloat32Interleaved(binary.BigEndian, raw, 2)
actual, err := decoder.Decode(binary.BigEndian, raw, 2)
if err != nil {
t.Fatal(err)
}
@@ -240,7 +277,7 @@ func TestDecodeFloat32Interleaved(t *testing.T) {
Channels: 2,
},
}
actual, err := decodeFloat32Interleaved(binary.LittleEndian, raw, 2)
actual, err := decoder.Decode(binary.LittleEndian, raw, 2)
if err != nil {
t.Fatal(err)
}
@@ -258,6 +295,8 @@ func TestDecodeFloat32NonInterleaved(t *testing.T) {
0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10,
}
decoder, _ := newFloat32NonInterleavedDecoder()
t.Run("BigEndian", func(t *testing.T) {
expected := &Float32NonInterleaved{
Data: [][]float32{
@@ -275,7 +314,7 @@ func TestDecodeFloat32NonInterleaved(t *testing.T) {
Channels: 2,
},
}
actual, err := decodeFloat32NonInterleaved(binary.BigEndian, raw, 2)
actual, err := decoder.Decode(binary.BigEndian, raw, 2)
if err != nil {
t.Fatal(err)
}
@@ -302,7 +341,7 @@ func TestDecodeFloat32NonInterleaved(t *testing.T) {
Channels: 2,
},
}
actual, err := decodeFloat32NonInterleaved(binary.LittleEndian, raw, 2)
actual, err := decoder.Decode(binary.LittleEndian, raw, 2)
if err != nil {
t.Fatal(err)
}