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/*
* Copyright (c) 2010, 2016, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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package com.sun.media.jfxmediaimpl.platform.gstreamer;
import com.sun.media.jfxmedia.MediaError;
import com.sun.media.jfxmedia.MediaException;
import com.sun.media.jfxmedia.effects.AudioEqualizer;
import com.sun.media.jfxmedia.effects.AudioSpectrum;
import com.sun.media.jfxmedia.locator.Locator;
import com.sun.media.jfxmedia.control.MediaPlayerOverlay;
import com.sun.media.jfxmediaimpl.NativeMediaPlayer;
/**
* GStreamer implementation of a MediaPlayer.
*/
final class GSTMediaPlayer extends NativeMediaPlayer {
private GSTMedia gstMedia = null;
private float mutedVolume = 1.0f; // last volume before mute
private boolean muteEnabled = false;
private AudioEqualizer audioEqualizer;
private AudioSpectrum audioSpectrum;
private GSTMediaPlayer(GSTMedia sourceMedia) {
super(sourceMedia);
init();
gstMedia = sourceMedia;
int rc = gstInitPlayer(gstMedia.getNativeMediaRef());
if (0 != rc) {
dispose();
throwMediaErrorException(rc, null);
}
long mediaRef = gstMedia.getNativeMediaRef();
audioSpectrum = createNativeAudioSpectrum(gstGetAudioSpectrum(mediaRef));
audioEqualizer = createNativeAudioEqualizer(gstGetAudioEqualizer(mediaRef));
}
GSTMediaPlayer(Locator source) {
this(new GSTMedia(source));
}
@Override
public AudioEqualizer getEqualizer() {
return audioEqualizer;
}
@Override
public AudioSpectrum getAudioSpectrum() {
return audioSpectrum;
}
@Override
public MediaPlayerOverlay getMediaPlayerOverlay() {
return null; // Not needed
}
// FIXME: this should be pushed down to native instead of returning an int value
private void throwMediaErrorException(int code, String message)
throws MediaException
{
MediaError me = MediaError.getFromCode(code);
throw new MediaException(message, null, me);
}
@Override
protected long playerGetAudioSyncDelay() throws MediaException {
long[] audioSyncDelay = new long[1];
int rc = gstGetAudioSyncDelay(gstMedia.getNativeMediaRef(), audioSyncDelay);
if (0 != rc) {
throwMediaErrorException(rc, null);
}
return audioSyncDelay[0];
}
@Override
protected void playerSetAudioSyncDelay(long delay) throws MediaException {
int rc = gstSetAudioSyncDelay(gstMedia.getNativeMediaRef(), delay);
if (0 != rc) {
throwMediaErrorException(rc, null);
}
}
@Override
protected void playerPlay() throws MediaException {
int rc = gstPlay(gstMedia.getNativeMediaRef());
if (0 != rc) {
throwMediaErrorException(rc, null);
}
}
@Override
protected void playerStop() throws MediaException {
int rc = gstStop(gstMedia.getNativeMediaRef());
if (0 != rc) {
throwMediaErrorException(rc, null);
}
}
@Override
protected void playerPause() throws MediaException {
int rc = gstPause(gstMedia.getNativeMediaRef());
if (0 != rc) {
throwMediaErrorException(rc, null);
}
}
@Override
protected void playerFinish() throws MediaException {
int rc = gstFinish(gstMedia.getNativeMediaRef());
if (0 != rc) {
throwMediaErrorException(rc, null);
}
}
@Override
protected float playerGetRate() throws MediaException {
float[] rate = new float[1];
int rc = gstGetRate(gstMedia.getNativeMediaRef(), rate);
if (0 != rc) {
throwMediaErrorException(rc, null);
}
return rate[0];
}
@Override
protected void playerSetRate(float rate) throws MediaException {
int rc = gstSetRate(gstMedia.getNativeMediaRef(), rate);
if (0 != rc) {
throwMediaErrorException(rc, null);
}
}
@Override
protected double playerGetPresentationTime() throws MediaException {
double[] presentationTime = new double[1];
int rc = gstGetPresentationTime(gstMedia.getNativeMediaRef(), presentationTime);
if (0 != rc) {
throwMediaErrorException(rc, null);
}
return presentationTime[0];
}
@Override
protected boolean playerGetMute() throws MediaException {
return muteEnabled;
}
@Override
protected synchronized void playerSetMute(boolean enable) throws MediaException {
if (enable != muteEnabled) {
if (enable) {
// Cache the current volume.
float currentVolume = getVolume();
// Set the volume to zero.
playerSetVolume(0);
// Set the mute flag. It is necessary to do this after
// calling setVolume() as otherwise the volume will not
// be set to zero.
muteEnabled = true;
// Save the pre-mute volume.
mutedVolume = currentVolume;
}
else {
// Unset the mute flag. It is necessary to do this before
// calling setVolume() as otherwise the volume will not
// be set to the cached value.
muteEnabled = false;
// Set the volume to the cached value.
playerSetVolume(mutedVolume);
}
}
}
@Override
protected float playerGetVolume() throws MediaException {
synchronized(this) {
if (muteEnabled)
return mutedVolume;
}
float[] volume = new float[1];
int rc = gstGetVolume(gstMedia.getNativeMediaRef(), volume);
if (0 != rc) {
throwMediaErrorException(rc, null);
}
return volume[0];
}
@Override
protected synchronized void playerSetVolume(float volume) throws MediaException {
if (!muteEnabled) {
int rc = gstSetVolume(gstMedia.getNativeMediaRef(), volume);
if (0 != rc) {
throwMediaErrorException(rc, null);
} else {
mutedVolume = volume;
}
} else {
mutedVolume = volume;
}
}
@Override
protected float playerGetBalance() throws MediaException {
float[] balance = new float[1];
int rc = gstGetBalance(gstMedia.getNativeMediaRef(), balance);
if (0 != rc) {
throwMediaErrorException(rc, null);
}
return balance[0];
}
@Override
protected void playerSetBalance(float balance) throws MediaException {
int rc = gstSetBalance(gstMedia.getNativeMediaRef(), balance);
if (0 != rc) {
throwMediaErrorException(rc, null);
}
}
@Override
protected double playerGetDuration() throws MediaException {
double[] duration = new double[1];
int rc = gstGetDuration(gstMedia.getNativeMediaRef(), duration);
if (0 != rc) {
throwMediaErrorException(rc, null);
}
if (duration[0] == -1.0) {
return Double.POSITIVE_INFINITY;
} else {
return duration[0];
}
}
@Override
protected void playerSeek(double streamTime) throws MediaException {
int rc = gstSeek(gstMedia.getNativeMediaRef(), streamTime);
if (0 != rc) {
throwMediaErrorException(rc, null);
}
}
@Override
protected void playerInit() throws MediaException {
}
@Override
protected void playerDispose() {
audioEqualizer = null;
audioSpectrum = null;
gstMedia = null;
}
// Native methods
private native int gstInitPlayer(long refNativeMedia);
private native long gstGetAudioEqualizer(long refNativeMedia);
private native long gstGetAudioSpectrum(long refNativeMedia);
private native int gstGetAudioSyncDelay(long refNativeMedia, long[] syncDelay);
private native int gstSetAudioSyncDelay(long refNativeMedia, long delay);
private native int gstPlay(long refNativeMedia);
private native int gstPause(long refNativeMedia);
private native int gstStop(long refNativeMedia);
private native int gstFinish(long refNativeMedia);
private native int gstGetRate(long refNativeMedia, float[] rate);
private native int gstSetRate(long refNativeMedia, float rate);
private native int gstGetPresentationTime(long refNativeMedia, double[] time);
private native int gstGetVolume(long refNativeMedia, float[] volume);
private native int gstSetVolume(long refNativeMedia, float volume);
private native int gstGetBalance(long refNativeMedia, float[] balance);
private native int gstSetBalance(long refNativeMedia, float balance);
private native int gstGetDuration(long refNativeMedia, double[] duration);
private native int gstSeek(long refNativeMedia, double streamTime);
}
