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decoder_test.go
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decoder_test.go
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// SPDX-FileCopyrightText: 2023 The Pion community <https://pion.ly>
// SPDX-License-Identifier: MIT
package opus
import (
"bytes"
_ "embed"
"errors"
"flag"
"io"
"os"
"sync"
"testing"
"github.com/pion/opus/pkg/oggreader"
)
// nolint: gochecknoglobals
var (
testoggfile = flag.String("oggfile", "", "ogg file for benchmark")
_testogg struct {
once sync.Once
err error
data []byte
}
)
func loadTestOgg(tb testing.TB) []byte {
if *testoggfile == "" {
tb.Skip("-oggfile not specified")
}
_testogg.once.Do(func() {
_testogg.data, _testogg.err = os.ReadFile(*testoggfile)
})
if _testogg.err != nil {
tb.Fatal("unable to load -oggfile", _testogg.err)
}
return _testogg.data
}
func BenchmarkDecode(b *testing.B) {
data := loadTestOgg(b)
b.ResetTimer()
for i := 0; i < b.N; i++ {
benchmarkData(b, data)
}
}
func benchmarkData(b *testing.B, data []byte) {
var out [1920]byte
ogg, _, err := oggreader.NewWith(bytes.NewReader(data))
if err != nil {
b.Fatal(err)
}
decoder := NewDecoder()
for {
segments, _, err := ogg.ParseNextPage()
if errors.Is(err, io.EOF) {
break
} else if bytes.HasPrefix(segments[0], []byte("OpusTags")) {
continue
}
if err != nil {
b.Fatal(err)
}
for i := range segments {
if _, _, err = decoder.Decode(segments[i], out[:]); err != nil {
b.Fatal(err)
}
}
}
}
//go:embed testdata/tiny.ogg
var tinyogg []byte // nolint: gochecknoglobals
func TestTinyOgg(t *testing.T) {
var out [1920]byte
ogg, _, err := oggreader.NewWith(bytes.NewReader(tinyogg))
if err != nil {
t.Fatal(err)
}
decoder := NewDecoder()
for {
segments, _, err := ogg.ParseNextPage()
if errors.Is(err, io.EOF) {
break
} else if bytes.HasPrefix(segments[0], []byte("OpusTags")) {
continue
}
if err != nil {
t.Fatal(err)
}
for i := range segments {
if _, _, err = decoder.Decode(segments[i], out[:]); err != nil {
return
}
}
}
}