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decode_test.go
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60 lines (54 loc) · 1.16 KB
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package turbojpeg
import (
"bytes"
"image/jpeg"
"io"
"os"
"testing"
)
func BenchmarkJpegDecode(b *testing.B) {
jpegfile, err := os.Open("./testdata/src.jpg")
if err != nil {
b.Fatalf("no error: %+v", err)
}
defer jpegfile.Close()
data, err := io.ReadAll(jpegfile)
if err != nil {
b.Fatalf("no error: %+v", err)
}
b.Run("image/jpeg.Decode", func(tb *testing.B) {
for i := 0; i < tb.N; i += 1 {
if _, err := jpeg.Decode(bytes.NewReader(data)); err != nil {
tb.Fatalf("no error: %+v", err)
}
}
})
b.Run("turbojpeg.Decode", func(tb *testing.B) {
decoder, err := CreateDecoder()
if err != nil {
tb.Fatalf("no error: %+v", err)
}
tb.ResetTimer()
for i := 0; i < tb.N; i += 1 {
img, err := decoder.Decode(data, PixelFormatRGBA)
if err != nil {
tb.Fatalf("no error: %+v", err)
}
img.Close()
}
})
b.Run("turbojpeg.DecodeToRGBA", func(tb *testing.B) {
decoder, err := CreateDecoder()
if err != nil {
tb.Fatalf("no error: %+v", err)
}
tb.ResetTimer()
for i := 0; i < tb.N; i += 1 {
ref, err := decoder.DecodeToRGBA(data)
if err != nil {
tb.Fatalf("no error: %+v", err)
}
ref.Close()
}
})
}