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/*
* Copyright (C) 2015 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 com.android.tv.tuner.exoplayer;
import android.content.Context;
import com.google.android.exoplayer.SampleSource;
import com.google.android.exoplayer.TrackRenderer;
import com.google.android.exoplayer.upstream.DataSource;
import com.android.tv.tuner.exoplayer.MpegTsPlayer.RendererBuilder;
import com.android.tv.tuner.exoplayer.MpegTsPlayer.RendererBuilderCallback;
import com.android.tv.tuner.exoplayer.ac3.Ac3PassthroughTrackRenderer;
import com.android.tv.tuner.exoplayer.buffer.BufferManager;
import com.android.tv.tuner.tvinput.PlaybackBufferListener;
/**
* Builder for renderer objects for {@link MpegTsPlayer}.
*/
public class MpegTsRendererBuilder implements RendererBuilder {
private final Context mContext;
private final BufferManager mBufferManager;
private final PlaybackBufferListener mBufferListener;
public MpegTsRendererBuilder(Context context, BufferManager bufferManager,
PlaybackBufferListener bufferListener) {
mContext = context;
mBufferManager = bufferManager;
mBufferListener = bufferListener;
}
@Override
public void buildRenderers(MpegTsPlayer mpegTsPlayer, DataSource dataSource,
RendererBuilderCallback callback) {
// Build the video and audio renderers.
SampleExtractor extractor = dataSource == null ?
new MpegTsSampleExtractor(mBufferManager, mBufferListener) :
new MpegTsSampleExtractor(dataSource, mBufferManager, mBufferListener);
SampleSource sampleSource = new MpegTsSampleSource(extractor);
MpegTsVideoTrackRenderer videoRenderer = new MpegTsVideoTrackRenderer(mContext,
sampleSource, mpegTsPlayer.getMainHandler(), mpegTsPlayer);
// TODO: Only using Ac3PassthroughTrackRenderer for A/V sync issue. We will use
// {@link Ac3TrackRenderer} when we use ExoPlayer's extractor.
TrackRenderer audioRenderer = new Ac3PassthroughTrackRenderer(sampleSource,
mpegTsPlayer.getMainHandler(), mpegTsPlayer);
Cea708TextTrackRenderer textRenderer = new Cea708TextTrackRenderer(sampleSource);
TrackRenderer[] renderers = new TrackRenderer[MpegTsPlayer.RENDERER_COUNT];
renderers[MpegTsPlayer.TRACK_TYPE_VIDEO] = videoRenderer;
renderers[MpegTsPlayer.TRACK_TYPE_AUDIO] = audioRenderer;
renderers[MpegTsPlayer.TRACK_TYPE_TEXT] = textRenderer;
callback.onRenderers(null, renderers);
}
}
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