PlayEventSound.java

/*
 * PlayEventSound.java
 * Transform
 *
 * Copyright (c) 2001-2010 Flagstone Software Ltd. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *  * Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *  * Neither the name of Flagstone Software Ltd. nor the names of its
 *    contributors may be used to endorse or promote products derived from this
 *    software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

package debug;

import java.io.File;
import java.io.FileNotFoundException;

import com.flagstone.transform.Background;
import com.flagstone.transform.Movie;
import com.flagstone.transform.MovieHeader;
import com.flagstone.transform.ShowFrame;
import com.flagstone.transform.datatype.Bounds;
import com.flagstone.transform.datatype.WebPalette;
import com.flagstone.transform.sound.DefineSound;
import com.flagstone.transform.sound.SoundInfo;
import com.flagstone.transform.sound.StartSound;
import com.flagstone.transform.util.sound.SoundFactory;

/**
 * PlayStreamingSound generates a Flash file with a sound file encoded as an
 * event sound.
 */
public final class PlayEventSound {
	/** Frame rate of movie in frames per second. */
	private static final float FRAME_RATE = 12.0f;
	/** Width of screen in twips. */
	private static final int SCREEN_WIDTH = 8000;
	/** Height of screen in twips. */
	private static final int SCREEN_HEIGHT = 4000;

    /**
     * Run the test from the command line.
     * @param args array of command line arguments.
     */
    public static void main(final String[] args) {
        final File sourceFile = new File(args[0]);
        final File destFile = new File(args[1]);
        final File destDir = destFile.getParentFile();

        try {
            if (destDir != null && !destDir.exists()) {
            	if (!destDir.mkdirs()) {
            		throw new FileNotFoundException(
            				"Cannot create directory: " + destDir);
            	}
            }

            final Movie movie = new Movie();
            int uid = 1;

            final SoundFactory factory = new SoundFactory();
            factory.read(sourceFile);
            final DefineSound sound =
                factory.defineSound(uid++);

            final MovieHeader header = new MovieHeader();
            header.setFrameSize(new Bounds(0, 0, SCREEN_WIDTH, SCREEN_HEIGHT));
            header.setFrameRate(FRAME_RATE);

            movie.add(header);
            movie.add(new Background(WebPalette.LIGHT_BLUE.color()));

            /*
             * Calculate the time it takes to play the sound and the number of
             * frames this represents.
             */
            final float duration = ((float) sound.getSampleCount())
                    / ((float) sound.getRate());
            final int numberOfFrames = (int) (duration * FRAME_RATE);

            /*
             * Add the sound definition and the FSStartSound object which is
             * used to start the sound playing.
             */

            movie.add(sound);
            movie.add(new StartSound(new SoundInfo(sound.getIdentifier(),
                    SoundInfo.Mode.START, 1, null)));

            /*
             * Add frames to give the sound time to play.
             */
            for (int j = 0; j < numberOfFrames; j++) {
                movie.add(ShowFrame.getInstance());
            }

            movie.encodeToFile(destFile);
        } catch (final Exception e) {
            e.printStackTrace(); //NOPMD
        }
    }

    /** Private constructor. */
    private PlayEventSound() {
        // Private.
    }
}