GetLoopLength.java revision 8729:0242fce0f717 
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12259701Sdim * version 2 for more details (a copy is included in the LICENSE file that
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14259701Sdim *
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16259701Sdim * 2 along with this work; if not, write to the Free Software Foundation,
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23259701Sdim
24259701Sdim/* @test
25259701Sdim   @summary Test ModelByteBufferWavetable getLoopLength method */
26259701Sdim
27259701Sdimimport java.io.ByteArrayOutputStream;
28259701Sdim
29import javax.sound.sampled.*;
30
31import com.sun.media.sound.*;
32
33public class GetLoopLength {
34
35    static float[] testarray;
36    static byte[] test_byte_array;
37    static byte[] test_byte_array_8ext;
38    static AudioFormat format = new AudioFormat(44100, 16, 1, true, false);
39    static AudioFormat format24 = new AudioFormat(44100, 24, 1, true, false);
40    static ModelByteBuffer buffer;
41    static ModelByteBuffer buffer_wave;
42    static ModelByteBuffer buffer8;
43    static ModelByteBuffer buffer16_8;
44    static ModelByteBuffer buffer24;
45
46    static void setUp() throws Exception {
47        testarray = new float[1024];
48        for (int i = 0; i < 1024; i++) {
49            double ii = i / 1024.0;
50            ii = ii * ii;
51            testarray[i] = (float)Math.sin(10*ii*2*Math.PI);
52            testarray[i] += (float)Math.sin(1.731 + 2*ii*2*Math.PI);
53            testarray[i] += (float)Math.sin(0.231 + 6.3*ii*2*Math.PI);
54            testarray[i] *= 0.3;
55        }
56        test_byte_array = new byte[testarray.length*2];
57        AudioFloatConverter.getConverter(format).toByteArray(testarray, test_byte_array);
58        buffer = new ModelByteBuffer(test_byte_array);
59
60        byte[] test_byte_array2 = new byte[testarray.length*3];
61        buffer24 = new ModelByteBuffer(test_byte_array2);
62        test_byte_array_8ext = new byte[testarray.length];
63        byte[] test_byte_array_8_16 = new byte[testarray.length*2];
64        AudioFloatConverter.getConverter(format24).toByteArray(testarray, test_byte_array2);
65        int ix = 0;
66        int x = 0;
67        for (int i = 0; i < test_byte_array_8ext.length; i++) {
68            test_byte_array_8ext[i] = test_byte_array2[ix++];
69            test_byte_array_8_16[x++] = test_byte_array2[ix++];
70            test_byte_array_8_16[x++] = test_byte_array2[ix++];
71        }
72        buffer16_8 = new ModelByteBuffer(test_byte_array_8_16);
73        buffer8 = new ModelByteBuffer(test_byte_array_8ext);
74
75        AudioInputStream ais = new AudioInputStream(buffer.getInputStream(), format, testarray.length);
76        ByteArrayOutputStream baos = new ByteArrayOutputStream();
77        AudioSystem.write(ais, AudioFileFormat.Type.WAVE, baos);
78        buffer_wave = new ModelByteBuffer(baos.toByteArray());
79    }
80
81    public static void main(String[] args) throws Exception {
82
83        setUp();
84
85        ModelByteBufferWavetable wavetable = new ModelByteBufferWavetable(buffer,format);
86        wavetable.setLoopLength(10f);
87        if(wavetable.getLoopLength() != 10f)
88            throw new RuntimeException("wavetable.getLoopLength() not 10!");
89        wavetable.setLoopLength(20f);
90        if(wavetable.getLoopLength() != 20f)
91            throw new RuntimeException("wavetable.getLoopLength() not 20!");
92    }
93
94}
95