changeset in /hg/pulseaudio: added PulseAudioStreamVolumeControl...

[iivan at town.yyz.redhat.com]

changeset bdc766c0c2ae in /hg/pulseaudio
details: http://icedtea.classpath.org/hg/pulseaudio?cmd=changeset;node=bdc766c0c2ae
description:
	added PulseAudioStreamVolumeControl.java

diffstat:

2 files changed, 66 insertions(+), 57 deletions(-)
src/org/classpath/icedtea/pulseaudio/PulseAudioStreamVolumeControl.java |   66 ++++++++++
src/org_classpath_icedtea_pulseaudio_PulseAudioVolumeMuteControl.c      |   57 --------

diffs (131 lines):

diff -r f27fbf96d5aa -r bdc766c0c2ae src/org/classpath/icedtea/pulseaudio/PulseAudioStreamVolumeControl.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/org/classpath/icedtea/pulseaudio/PulseAudioStreamVolumeControl.java	Fri Aug 08 14:54:18 2008 -0400
@@ -0,0 +1,66 @@
+package org.classpath.icedtea.pulseaudio;
+
+import java.io.IOException;
+
+import org.classpath.icedtea.pulseaudio.EventLoop;
+import org.classpath.icedtea.pulseaudio.PulseAudioVolumeControl;
+
+public class PulseAudioStreamVolumeControl extends PulseAudioVolumeControl {
+	private long streamPointer;
+	private EventLoop eventLoop;
+	private PulseAudioSourceDataLine line;
+
+
+	static {
+		try {
+			String library = new java.io.File(".").getCanonicalPath()
+					+ java.io.File.separatorChar + "lib"
+					+ java.io.File.separatorChar
+					+ System.mapLibraryName("pulse-java");
+			System.out.println(library);
+			System.load(library);
+		} catch (IOException e) {
+			assert ("Loading failed".endsWith("library"));
+		}
+	}
+
+	protected PulseAudioStreamVolumeControl(PulseAudioSourceDataLine line) {
+		super(line);
+		this.streamPointer = line.getStreamPointer();
+		this.eventLoop = line.getEventLoop();
+		this.line = line;
+	}
+	
+	public synchronized void setValue(float newValue) {
+		if(!line.isMuted()) {
+			setStreamVolume(newValue);
+		}
+		
+		line.setVolume(newValue);
+	}
+	
+	protected synchronized void setStreamVolume(float newValue) {
+		int operationPointer;
+		int operationState;
+		synchronized(eventLoop.threadLock) {
+			operationPointer = native_setValue(newValue);
+			operationState = native_getOperationState(operationPointer);
+		}
+		while(operationState != 1) {
+			synchronized (eventLoop.threadLock) {
+				operationState = native_getOperationState(operationPointer);
+			}
+		}
+		
+	}
+	
+	public synchronized float getValue() {
+		return line.getVolume();
+	}
+
+
+	private native int native_getOperationState(int operationState);
+	public native int native_setValue(float newValue);
+}
+
+
diff -r f27fbf96d5aa -r bdc766c0c2ae src/org_classpath_icedtea_pulseaudio_PulseAudioVolumeMuteControl.c
--- a/src/org_classpath_icedtea_pulseaudio_PulseAudioVolumeMuteControl.c	Fri Aug 08 14:40:11 2008 -0400
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,57 +0,0 @@
-/* PulseAudioStreamVolumeControl.java
-   Copyright (C) 2008 Red Hat, Inc.
-
-This file is part of IcedTea.
-
-IcedTea is free software; you can redistribute it and/or
-modify it under the terms of the GNU General Public License as published by
-the Free Software Foundation, version 2.
-
-IcedTea 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 for more details.
-
-You should have received a copy of the GNU General Public License
-along with IcedTea; see the file COPYING.  If not, write to
-the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-02110-1301 USA.
-
-Linking this library statically or dynamically with other modules is
-making a combined work based on this library.  Thus, the terms and
-conditions of the GNU General Public License cover the whole
-combination.
-
-As a special exception, the copyright holders of this library give you
-permission to link this library with independent modules to produce an
-executable, regardless of the license terms of these independent
-modules, and to copy and distribute the resulting executable under
-terms of your choice, provided that you also meet, for each linked
-independent module, the terms and conditions of the license of that
-module.  An independent module is a module which is not derived from
-or based on this library.  If you modify this library, you may extend
-this exception to your version of the library, but you are not
-obligated to do so.  If you do not wish to do so, delete this
-exception statement from your version.
-*/
-
-
-#include "jni-common.h"
-
-static void sink_input_change_volume(pa_context* context,
-		const pa_sink_input_info* input_info, int eol, void* userdata) {
-	assert(context);
-	if (eol) {
-		return;
-	}
-	assert(i);
-	userdata = i->volume;
-}
-
-JNIEXPORT jint JNICALL Java_org_openjdk_sound_PulseAudioStreamVolumeControl_getValue(JNIEnv env*, jobject obj) {
-	pa_stream *stream = getJavaLongField(env, obj, "streamPointer");
-	int stream_id pa_stream_get_index(stream);
-	pa_cvolume *volume;
-	pa_context_get_sink_input_info((pa_context*) contextPointer ,stream_id,sink_input_change_volume, volume);
-	printf("%d\n", volume->values[0]);
-}