RTP: add Java AudioGroup.

Change-Id: Ieb988b9054cfca78ba617503985f84b8ef22a999

1 files changed, 90 insertions, 0 deletions

diff --git a/src/android/net/rtp/AudioGroup.java b/src/android/net/rtp/AudioGroup.java
new file mode 100644
index 0000000..bd17636
--- /dev/null
+++ b/src/android/net/rtp/AudioGroup.java
@@ -0,0 +1,90 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.net.rtp;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ */
+public class AudioGroup {
+    public static final int MODE_ON_HOLD = 0;
+    public static final int MODE_MUTED = 1;
+    public static final int MODE_NORMAL = 2;
+    public static final int MODE_EC_ENABLED = 3;
+
+    private final Map<AudioStream, Integer> mStreams;
+    private int mMode = MODE_ON_HOLD;
+
+    private int mNative;
+    static {
+        System.loadLibrary("rtp_jni");
+    }
+
+    public AudioGroup() {
+        mStreams = new HashMap<AudioStream, Integer>();
+    }
+
+    public int getMode() {
+        return mMode;
+    }
+
+    public synchronized native void setMode(int mode);
+
+    synchronized void add(AudioStream stream, AudioCodec codec, int codecType, int dtmfType) {
+        if (!mStreams.containsKey(stream)) {
+            try {
+                int id = add(stream.getMode(), stream.dup(),
+                        stream.getRemoteAddress().getHostAddress(), stream.getRemotePort(),
+                        codec.name, codec.sampleRate, codec.sampleCount, codecType, dtmfType);
+                mStreams.put(stream, id);
+            } catch (NullPointerException e) {
+                throw new IllegalStateException(e);
+            }
+        }
+    }
+
+    private native int add(int mode, int socket, String remoteAddress, int remotePort,
+            String codecName, int sampleRate, int sampleCount, int codecType, int dtmfType);
+
+    synchronized void remove(AudioStream stream) {
+        Integer id = mStreams.remove(stream);
+        if (id != null) {
+            remove(id);
+        }
+    }
+
+    private native void remove(int id);
+
+    /**
+     * Sends a DTMF digit to every {@link AudioStream} in this group. Currently
+     * only event {@code 0} to {@code 15} are supported.
+     *
+     * @throws IllegalArgumentException if the event is invalid.
+     */
+    public native synchronized void sendDtmf(int event);
+    
+    public synchronized void reset() {
+        remove(-1);
+    }
+
+    @Override
+    protected void finalize() throws Throwable {
+        reset();
+        super.finalize();
+    }
+}