1 /* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.usbtuner.exoplayer; 18 19 import android.content.Context; 20 import android.media.MediaDataSource; 21 22 import com.google.android.exoplayer.SampleSource; 23 import com.google.android.exoplayer.TrackRenderer; 24 import com.android.usbtuner.exoplayer.MpegTsPlayer.RendererBuilder; 25 import com.android.usbtuner.exoplayer.MpegTsPlayer.RendererBuilderCallback; 26 import com.android.usbtuner.exoplayer.ac3.Ac3TrackRenderer; 27 import com.android.usbtuner.exoplayer.cache.CacheManager; 28 import com.android.usbtuner.tvinput.PlaybackCacheListener; 29 30 /** 31 * Builder class for AC3 Passthrough track renderer objects. 32 */ 33 public class MpegTsPassthroughAc3RendererBuilder implements RendererBuilder { 34 private final Context mContext; 35 private final CacheManager mCacheManager; 36 private final PlaybackCacheListener mCacheListener; 37 MpegTsPassthroughAc3RendererBuilder(Context context, CacheManager cacheManager, PlaybackCacheListener cacheListener)38 public MpegTsPassthroughAc3RendererBuilder(Context context, CacheManager cacheManager, 39 PlaybackCacheListener cacheListener) { 40 mContext = context; 41 mCacheManager = cacheManager; 42 mCacheListener = cacheListener; 43 } 44 45 @Override buildRenderers(MpegTsPlayer mpegTsPlayer, MediaDataSource dataSource, RendererBuilderCallback callback)46 public void buildRenderers(MpegTsPlayer mpegTsPlayer, MediaDataSource dataSource, 47 RendererBuilderCallback callback) { 48 // Build the video and audio renderers. 49 SampleExtractor extractor = dataSource == null ? 50 new MpegTsSampleSourceExtractor(mCacheManager, mCacheListener) : 51 new MpegTsSampleSourceExtractor(dataSource, mCacheManager, mCacheListener); 52 SampleSource sampleSource = new MpegTsSampleSource(extractor); 53 MpegTsVideoTrackRenderer videoRenderer = new MpegTsVideoTrackRenderer(mContext, 54 sampleSource, mpegTsPlayer.getMainHandler(), mpegTsPlayer); 55 Ac3TrackRenderer audioRenderer = new Ac3TrackRenderer(sampleSource, 56 mpegTsPlayer.getMainHandler(), mpegTsPlayer, false); 57 Cea708TextTrackRenderer textRenderer = new Cea708TextTrackRenderer(sampleSource); 58 59 TrackRenderer[] renderers = new TrackRenderer[MpegTsPlayer.RENDERER_COUNT]; 60 renderers[MpegTsPlayer.TRACK_TYPE_VIDEO] = videoRenderer; 61 renderers[MpegTsPlayer.TRACK_TYPE_AUDIO] = audioRenderer; 62 renderers[MpegTsPlayer.TRACK_TYPE_TEXT] = textRenderer; 63 callback.onRenderers(null, renderers); 64 } 65 } 66