Android Open Source - kickflip-android-sdk Hls File Observer

From Project

Back to project page kickflip-android-sdk.

License

The source code is released under:

Apache License

If you think the Android project kickflip-android-sdk listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.

Java Source Code

/*
 * Copyright (c) 2013, David Brodsky. All rights reserved.
 *//from  www.  j  a v a  2s .c o  m
 *  This program 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, either version 3 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 General Public License for more details.
 *  
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package io.kickflip.sdk.av;

import android.os.FileObserver;
import android.util.Log;

import com.google.common.eventbus.EventBus;

import java.io.File;

import io.kickflip.sdk.event.HlsManifestWrittenEvent;
import io.kickflip.sdk.event.HlsSegmentWrittenEvent;
import io.kickflip.sdk.event.ThumbnailWrittenEvent;

/**
 * A FileObserver that listens for actions
 * specific to the creation of an HLS stream
 * e.g: A .ts segment is written
 * or a .m3u8 manifest is modified
 *
 * @author davidbrodsky
 * @hide
 */
public class HlsFileObserver extends FileObserver {
    private static final String TAG = "HlsFileObserver";
    private static final boolean VERBOSE = false;

    private static final String M3U8_EXT = "m3u8";
    private static final String TS_EXT = "ts";
    private static final String JPG_EXT = "jpg";
    private String mObservedPath;
    private EventBus mEventBus;

    /**
     * Begin observing the given path for changes
     * to .ts, .m3u8 and .jpg files
     *
     * @param path     the absolute path to observe.
     * @param eventBus an EventBus to post events to
     */
    public HlsFileObserver(String path, EventBus eventBus) {
        super(path, CLOSE_WRITE);
        mEventBus = eventBus;
        mObservedPath = path;
    }

    @Override
    public void onEvent(int event, String path) {
        if (path == null) return; // If the directory was deleted.
        String ext = path.substring(path.lastIndexOf('.') + 1);
        String absolutePath = mObservedPath + File.separator + path;
        if (ext.compareTo(M3U8_EXT) == 0) {
            if (VERBOSE) Log.i(TAG, "posting manifest written " + absolutePath);
            mEventBus.post(new HlsManifestWrittenEvent(absolutePath));
        } else if (ext.compareTo(TS_EXT) == 0) {
            if (VERBOSE) Log.i(TAG, "posting hls segment written " + absolutePath);
            mEventBus.post(new HlsSegmentWrittenEvent(absolutePath));
        } else if (ext.compareTo(JPG_EXT) == 0) {
            if (VERBOSE) Log.i(TAG, "posting thumbnail written " + absolutePath);
            mEventBus.post(new ThumbnailWrittenEvent(absolutePath));
        }
    }

}

Java Source Code List