Function testVorbisFile

packages/alphatab/test/audio/AlphaSynth.test.ts:110–135

(name: string)

    });

    async function testVorbisFile(name: string) {
        const data = await TestPlatform.loadFile(`test-data/audio/${name}.ogg`);
        const vorbis = new VorbisFile(ByteBuffer.fromBuffer(data));

        expect(vorbis.streams.length).toBe(1);
        expect(vorbis.streams[0].audioChannels).toBe(2);
        expect(vorbis.streams[0].audioSampleRate).toBe(44100);
        expect(vorbis.streams[0].samples.length).toBeGreaterThan(44100 * 0.05);

        const generated = vorbis.streams[0].samples;
        const reference = new DataView((await TestPlatform.loadFile(`test-data/audio/${name}_alphaTab.pcm`)).buffer);
        try {
            expect(generated.length).toBe(reference.buffer.byteLength / 4);

            for (let i = 0; i < generated.length; i++) {
                expect(generated[i], `Difference at index ${i}`).toBe(reference.getFloat32(i * 4, true));
            }
        } catch (e) {
            await TestPlatform.saveFile(
                `test-data/audio/${name}_alphaTab_new.pcm`,
                new Uint8Array(vorbis.streams[0].samples.buffer)
            );

            throw e;
        }
    }

    it('ogg-vorbis-short', async () => {
        await testVorbisFile('Short');