mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-11-10 04:57:26 +01:00
106 lines
2.7 KiB
Go
106 lines
2.7 KiB
Go
// Copyright 2018 The Ebiten Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package vorbis_test
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import (
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"bytes"
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_ "embed"
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"io"
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"testing"
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"github.com/jfreymuth/oggvorbis"
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"github.com/hajimehoshi/ebiten/v2/audio"
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"github.com/hajimehoshi/ebiten/v2/audio/vorbis"
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)
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var (
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//go:embed test_mono.ogg
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test_mono_ogg []byte
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//go:embed test_tooshort.ogg
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test_tooshort_ogg []byte
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)
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var audioContext = audio.NewContext(44100)
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func TestMono(t *testing.T) {
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bs := test_mono_ogg
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s, err := vorbis.DecodeWithSampleRate(audioContext.SampleRate(), bytes.NewReader(bs))
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if err != nil {
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t.Fatal(err)
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}
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r, err := oggvorbis.NewReader(bytes.NewReader(bs))
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if err != nil {
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t.Fatal(err)
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}
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// Stream decoded by audio/vorbis.DecodeWithSampleRate() is always 16bit stereo.
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// On the other hand, the original vorbis package is monoral.
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// As Length() represents the number of samples,
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// this needs to be doubled by 2 (= bytes in 16bits).
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if got, want := s.Length(), r.Length()*2*2; got != want {
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t.Errorf("s.Length(): got: %d, want: %d", got, want)
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}
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if got, want := s.SampleRate(), audioContext.SampleRate(); got != want {
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t.Errorf("s.SampleRate(): got: %d, want: %d", got, want)
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}
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}
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func TestTooShort(t *testing.T) {
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bs := test_tooshort_ogg
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s, err := vorbis.DecodeWithSampleRate(audioContext.SampleRate(), bytes.NewReader(bs))
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if err != nil {
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t.Fatal(err)
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}
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if got, want := s.Length(), int64(79424); got != want {
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t.Errorf("s.Length(): got: %d, want: %d", got, want)
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}
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if got, want := s.SampleRate(), audioContext.SampleRate(); got != want {
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t.Errorf("s.SampleRate(): got: %d, want: %d", got, want)
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}
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}
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type reader struct {
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r io.Reader
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}
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func (r *reader) Read(buf []byte) (int, error) {
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return r.r.Read(buf)
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}
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func TestNonSeeker(t *testing.T) {
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bs := test_tooshort_ogg
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s, err := vorbis.DecodeWithSampleRate(audioContext.SampleRate(), &reader{r: bytes.NewReader(bs)})
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if err != nil {
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t.Fatal(err)
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}
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if got, want := s.Length(), int64(0); got != want {
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t.Errorf("s.Length(): got: %d, want: %d", got, want)
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}
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if got, want := s.SampleRate(), audioContext.SampleRate(); got != want {
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t.Errorf("s.SampleRate(): got: %d, want: %d", got, want)
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}
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}
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