[Android] LibVLC: add util.Dumper

[Thomas Guillem]

vlc-android | branch: master | Thomas Guillem <thomas at gllm.fr> | Wed May 25 16:46:41 2016 +0200| [8511a01cb70bc68d842c84b177911f6be7985353] | committer: Thomas Guillem

LibVLC: add util.Dumper

> https://code.videolan.org/videolan/vlc-android/commit/8511a01cb70bc68d842c84b177911f6be7985353
---

 libvlc/src/org/videolan/libvlc/util/Dumper.java | 104 ++++++++++++++++++++++++
 1 file changed, 104 insertions(+)

diff --git a/libvlc/src/org/videolan/libvlc/util/Dumper.java b/libvlc/src/org/videolan/libvlc/util/Dumper.java
new file mode 100644
index 0000000..56fc6bc
--- /dev/null
+++ b/libvlc/src/org/videolan/libvlc/util/Dumper.java
@@ -0,0 +1,104 @@
+/*****************************************************************************
+ * Dumper.java
+ *****************************************************************************
+ * Copyright © 2016 VLC authors, VideoLAN and VideoLabs
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+package org.videolan.libvlc.util;
+
+import android.net.Uri;
+import android.support.annotation.MainThread;
+
+import org.videolan.libvlc.LibVLC;
+import org.videolan.libvlc.Media;
+import org.videolan.libvlc.MediaPlayer;
+
+import java.util.ArrayList;
+
+public class Dumper {
+    public interface Listener {
+        void onFinish(boolean success);
+        void onProgress(float progress);
+    }
+
+    private final LibVLC mLibVLC;
+    private final MediaPlayer mMediaPlayer;
+    private final Listener mListener;
+
+    /**
+     * Create a Dumper that will download an Uri into a local filesystem path
+     * @param uri the Uri to dump
+     * @param filepath local filesystem path where to dump the Uri
+     * @param listener listener in order to be notified when the dump is finished
+     */
+    @MainThread
+    public Dumper(Uri uri, String filepath, Listener listener) {
+        if (uri == null || filepath == null || listener == null)
+            throw new IllegalArgumentException("arguments shouldn't be null");
+        mListener = listener;
+
+        ArrayList<String> options = new ArrayList<>(8);
+        options.add("--demux");
+        options.add("dump2,none");
+        options.add("--demuxdump-file");
+        options.add(filepath);
+        options.add("--no-video");
+        options.add("--no-audio");
+        options.add("--no-spu");
+        options.add("-vvv");
+        mLibVLC = new LibVLC(options);
+
+        final Media media = new Media(mLibVLC, uri);
+        mMediaPlayer = new MediaPlayer(media);
+        mMediaPlayer.setEventListener(new MediaPlayer.EventListener() {
+            @Override
+            public void onEvent(MediaPlayer.Event event) {
+                switch (event.type) {
+                    case MediaPlayer.Event.Buffering:
+                        mListener.onProgress(event.getBuffering());
+                        break;
+                    case MediaPlayer.Event.EncounteredError:
+                    case MediaPlayer.Event.EndReached:
+                        mListener.onFinish(event.type == MediaPlayer.Event.EndReached);
+                        cancel();
+                        break;
+                }
+
+            }
+        });
+        media.release();
+    }
+
+    /**
+     * Start to dump
+     */
+    @MainThread
+    public void start() {
+        mMediaPlayer.play();
+    }
+
+    /**
+     * Cancel the dump of the Uri.
+     * Don't call this method if you already received the {@link Listener#onFinish(boolean)} callback.
+     */
+    @MainThread
+    public void cancel() {
+        mMediaPlayer.stop();
+        mMediaPlayer.release();
+        mLibVLC.release();
+    }
+}