69 lines
1.7 KiB
Go
69 lines
1.7 KiB
Go
// Copyright © Go Opus Authors (see AUTHORS file)
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//
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// License for use of this code is detailed in the LICENSE file
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package opus
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import (
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"testing"
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)
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func TestDecoderNew(t *testing.T) {
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dec, err := NewDecoder(48000, 1)
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if err != nil || dec == nil {
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t.Errorf("Error creating new decoder: %v", err)
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}
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dec, err = NewDecoder(12345, 1)
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if err == nil || dec != nil {
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t.Errorf("Expected error for illegal samplerate 12345")
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}
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}
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func TestDecoderUnitialized(t *testing.T) {
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var dec Decoder
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_, err := dec.Decode(nil, nil)
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if err != errDecUninitialized {
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t.Errorf("Expected \"unitialized decoder\" error: %v", err)
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}
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_, err = dec.DecodeFloat32(nil, nil)
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if err != errDecUninitialized {
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t.Errorf("Expected \"unitialized decoder\" error: %v", err)
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}
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}
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func TestDecoder_GetLastPacketDuration(t *testing.T) {
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const G4 = 391.995
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const SAMPLE_RATE = 48000
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const FRAME_SIZE_MS = 60
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const FRAME_SIZE = SAMPLE_RATE * FRAME_SIZE_MS / 1000
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pcm := make([]int16, FRAME_SIZE)
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enc, err := NewEncoder(SAMPLE_RATE, 1, AppVoIP)
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if err != nil || enc == nil {
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t.Fatalf("Error creating new encoder: %v", err)
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}
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addSine(pcm, SAMPLE_RATE, G4)
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data := make([]byte, 1000)
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n, err := enc.Encode(pcm, data)
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if err != nil {
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t.Fatalf("Couldn't encode data: %v", err)
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}
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data = data[:n]
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dec, err := NewDecoder(SAMPLE_RATE, 1)
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if err != nil || dec == nil {
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t.Fatalf("Error creating new decoder: %v", err)
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}
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n, err = dec.Decode(data, pcm)
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if err != nil {
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t.Fatalf("Couldn't decode data: %v", err)
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}
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samples, err := dec.LastPacketDuration()
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if err != nil {
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t.Fatalf("Couldn't get last packet duration: %v", err)
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}
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if samples != n {
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t.Fatalf("Wrong duration length. Expected %d. Got %d", n, samples)
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}
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}
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