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      1 // CHECKSTYLE:OFF Generated code
      2 /* This file is auto-generated from OnboardingDemoFragment.java.  DO NOT MODIFY. */
      3 
      4 /*
      5  * Copyright (C) 2016 The Android Open Source Project
      6  *
      7  * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
      8  * in compliance with the License. You may obtain a copy of the License at
      9  *
     10  * http://www.apache.org/licenses/LICENSE-2.0
     11  *
     12  * Unless required by applicable law or agreed to in writing, software distributed under the License
     13  * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
     14  * or implied. See the License for the specific language governing permissions and limitations under
     15  * the License.
     16  */
     17 package com.example.android.leanback;
     18 
     19 import android.net.Uri;
     20 import android.os.Bundle;
     21 import android.support.v4.media.session.MediaSessionCompat;
     22 
     23 import androidx.leanback.app.VideoSupportFragmentGlueHost;
     24 import androidx.leanback.media.MediaPlayerAdapter;
     25 import androidx.leanback.media.PlaybackGlue;
     26 import androidx.leanback.media.PlaybackTransportControlGlue;
     27 import androidx.leanback.widget.PlaybackControlsRow;
     28 
     29 /**
     30  * Fragment demonstrating the use of {@link androidx.leanback.app.VideoSupportFragment} to
     31  * render video with playback controls. And demonstrates video seeking with thumbnails.
     32  *
     33  * Generate 1 frame per second thumbnail bitmaps and put on sdcard:
     34  * <pre>
     35  * sudo apt-get install libav-tools
     36  * avconv -i input.mp4 -s 240x135 -vsync 1 -r 1 -an -y -qscale 8 frame_%04d.jpg
     37  * adb shell mkdir /sdcard/seek
     38  * adb push frame_*.jpg /sdcard/seek/
     39  * </pre>
     40  * Change to 1 frame per minute: use "-r 1/60".
     41  * For more options, see https://wiki.libav.org/Snippets/avconv
     42  *
     43  * <p>
     44  * Showcase:
     45  * </p>
     46  * <li>Auto play when ready</li>
     47  * <li>Set seek provider</li>
     48  * <li>switch MediaSource</li>
     49  * <li>switch PlaybackGlue</li>
     50  */
     51 public class SampleVideoSupportFragment extends androidx.leanback.app.VideoSupportFragment {
     52 
     53     // Media Session Token
     54     private static final String MEDIA_SESSION_COMPAT_TOKEN = "media session support video";
     55 
     56     private PlaybackTransportControlGlueSample<MediaPlayerAdapter> mMediaPlayerGlue;
     57 
     58     private MediaSessionCompat mMediaSessionCompat;
     59 
     60     final VideoSupportFragmentGlueHost mHost = new VideoSupportFragmentGlueHost(SampleVideoSupportFragment.this);
     61 
     62     static void playWhenReady(PlaybackGlue glue) {
     63         if (glue.isPrepared()) {
     64             glue.play();
     65         } else {
     66             glue.addPlayerCallback(new PlaybackGlue.PlayerCallback() {
     67                 @Override
     68                 public void onPreparedStateChanged(PlaybackGlue glue) {
     69                     if (glue.isPrepared()) {
     70                         glue.removePlayerCallback(this);
     71                         glue.play();
     72                     }
     73                 }
     74             });
     75         }
     76     }
     77 
     78     static void loadSeekData(final PlaybackTransportControlGlue glue) {
     79         if (glue.isPrepared()) {
     80             glue.setSeekProvider(new PlaybackSeekDiskDataProvider(
     81                     glue.getDuration(),
     82                     1000,
     83                     "/sdcard/seek/frame_%04d.jpg"));
     84         } else {
     85             glue.addPlayerCallback(new PlaybackGlue.PlayerCallback() {
     86                 @Override
     87                 public void onPreparedStateChanged(PlaybackGlue glue) {
     88                     if (glue.isPrepared()) {
     89                         glue.removePlayerCallback(this);
     90                         PlaybackTransportControlGlue transportControlGlue =
     91                                 (PlaybackTransportControlGlue) glue;
     92                         transportControlGlue.setSeekProvider(new PlaybackSeekDiskDataProvider(
     93                                 transportControlGlue.getDuration(),
     94                                 1000,
     95                                 "/sdcard/seek/frame_%04d.jpg"));
     96                     }
     97                 }
     98             });
     99         }
    100     }
    101 
    102     @Override
    103     public void onCreate(Bundle savedInstanceState) {
    104         super.onCreate(savedInstanceState);
    105         mMediaPlayerGlue = new PlaybackTransportControlGlueSample(getActivity(),
    106                 new MediaPlayerAdapter(getActivity()));
    107 
    108         // create a media session inside of a fragment, and app developer can determine if connect
    109         // this media session to glue or not
    110         // as requested in b/64935838
    111         mMediaSessionCompat = new MediaSessionCompat(getActivity(), MEDIA_SESSION_COMPAT_TOKEN);
    112         mMediaPlayerGlue.connectToMediaSession(mMediaSessionCompat);
    113 
    114         mMediaPlayerGlue.setHost(mHost);
    115         mMediaPlayerGlue.setMode(PlaybackControlsRow.RepeatAction.INDEX_NONE);
    116         mMediaPlayerGlue.addPlayerCallback(new PlaybackGlue.PlayerCallback() {
    117             boolean mSecondCompleted = false;
    118             @Override
    119             public void onPlayCompleted(PlaybackGlue glue) {
    120                 if (!mSecondCompleted) {
    121                     mSecondCompleted = true;
    122                     mMediaPlayerGlue.setSubtitle("Leanback artist Changed!");
    123                     mMediaPlayerGlue.setTitle("Leanback team at work");
    124                     String uriPath = "https://storage.googleapis.com/android-tv/Sample videos/"
    125                             + "April Fool's 2013/Explore Treasure Mode with Google Maps.mp4";
    126                     mMediaPlayerGlue.getPlayerAdapter().setDataSource(Uri.parse(uriPath));
    127                     loadSeekData(mMediaPlayerGlue);
    128                     playWhenReady(mMediaPlayerGlue);
    129                 } else {
    130                     mMediaPlayerGlue.removePlayerCallback(this);
    131                     switchAnotherGlue();
    132                 }
    133             }
    134         });
    135         mMediaPlayerGlue.setSubtitle("Leanback artist");
    136         mMediaPlayerGlue.setTitle("Leanback team at work");
    137         String uriPath = "https://storage.googleapis.com/android-tv/Sample videos/"
    138                 + "April Fool's 2013/Explore Treasure Mode with Google Maps.mp4";
    139         mMediaPlayerGlue.getPlayerAdapter().setDataSource(Uri.parse(uriPath));
    140         loadSeekData(mMediaPlayerGlue);
    141         playWhenReady(mMediaPlayerGlue);
    142     }
    143 
    144     @Override
    145     public void onPause() {
    146         if (mMediaPlayerGlue != null) {
    147             mMediaPlayerGlue.pause();
    148         }
    149         super.onPause();
    150     }
    151 
    152     @Override
    153     public void onDestroy() {
    154         super.onDestroy();
    155         mMediaPlayerGlue.disconnectToMediaSession();
    156     }
    157 
    158     void switchAnotherGlue() {
    159         mMediaPlayerGlue = new PlaybackTransportControlGlueSample(getActivity(),
    160                 new MediaPlayerAdapter(getActivity()));
    161 
    162         // If the glue is switched, re-register the media session
    163         mMediaPlayerGlue.connectToMediaSession(mMediaSessionCompat);
    164 
    165         mMediaPlayerGlue.setMode(PlaybackControlsRow.RepeatAction.INDEX_ONE);
    166         mMediaPlayerGlue.setSubtitle("A Googler");
    167         mMediaPlayerGlue.setTitle("Swimming with the fishes");
    168         mMediaPlayerGlue.getPlayerAdapter().setDataSource(
    169                 Uri.parse("http://techslides.com/demos/sample-videos/small.mp4"));
    170         mMediaPlayerGlue.setHost(mHost);
    171         loadSeekData(mMediaPlayerGlue);
    172         playWhenReady(mMediaPlayerGlue);
    173     }
    174 }
    175