1 files changed, 0 insertions, 163 deletions
diff --git a/usbtuner/src/com/android/usbtuner/exoplayer/DefaultSampleSource.java b/usbtuner/src/com/android/usbtuner/exoplayer/DefaultSampleSource.java
deleted file mode 100644
index 6800d644..00000000
--- a/usbtuner/src/com/android/usbtuner/exoplayer/DefaultSampleSource.java
+++ /dev/null
@@ -1,163 +0,0 @@
-/*
- * 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.usbtuner.exoplayer;
-
-import com.google.android.exoplayer.C;
-import com.google.android.exoplayer.MediaFormatHolder;
-import com.google.android.exoplayer.SampleHolder;
-import com.google.android.exoplayer.SampleSource;
-import com.google.android.exoplayer.TrackInfo;
-import com.google.android.exoplayer.util.Assertions;
-
-import java.io.IOException;
-
-/** {@link SampleSource} that extracts sample data using a {@link SampleExtractor}. */
-public final class DefaultSampleSource implements SampleSource {
-
-    private static final int TRACK_STATE_DISABLED = 0;
-    private static final int TRACK_STATE_ENABLED = 1;
-    private static final int TRACK_STATE_FORMAT_SENT = 2;
-
-    private final SampleExtractor sampleExtractor;
-
-    private TrackInfo[] trackInfos;
-    private boolean prepared;
-    private int remainingReleaseCount;
-    private int[] trackStates;
-    private boolean[] pendingDiscontinuities;
-
-    private long seekPositionUs;
-
-    /**
-    * Creates a new sample source that extracts samples using {@code sampleExtractor}. Specifies the
-    * {@code downstreamRendererCount} to ensure that the sample source is released only when all
-    * downstream renderers have been released.
-    *
-    * @param sampleExtractor a sample extractor for accessing media samples
-    * @param downstreamRendererCount the number of track renderers dependent on this sample source
-    */
-    public DefaultSampleSource(SampleExtractor sampleExtractor, int downstreamRendererCount) {
-        this.sampleExtractor = Assertions.checkNotNull(sampleExtractor);
-        this.remainingReleaseCount = downstreamRendererCount;
-    }
-
-    @Override
-    public boolean prepare(long positionUs) throws IOException {
-        if (prepared) {
-            return true;
-        }
-
-        if (sampleExtractor.prepare()) {
-            prepared = true;
-            trackInfos = sampleExtractor.getTrackInfos();
-            trackStates = new int[trackInfos.length];
-            pendingDiscontinuities = new boolean[trackInfos.length];
-        }
-
-        return prepared;
-    }
-
-    @Override
-    public int getTrackCount() {
-        Assertions.checkState(prepared);
-        return trackInfos.length;
-    }
-
-    @Override
-    public TrackInfo getTrackInfo(int track) {
-        Assertions.checkState(prepared);
-        return trackInfos[track];
-    }
-
-    @Override
-    public void enable(int track, long positionUs) {
-        Assertions.checkState(prepared);
-        Assertions.checkState(trackStates[track] == TRACK_STATE_DISABLED);
-        trackStates[track] = TRACK_STATE_ENABLED;
-        sampleExtractor.selectTrack(track);
-        seekToUsInternal(positionUs, positionUs != 0);
-    }
-
-    @Override
-    public void disable(int track) {
-        Assertions.checkState(prepared);
-        Assertions.checkState(trackStates[track] != TRACK_STATE_DISABLED);
-        sampleExtractor.deselectTrack(track);
-        pendingDiscontinuities[track] = false;
-        trackStates[track] = TRACK_STATE_DISABLED;
-    }
-
-    @Override
-    public boolean continueBuffering(long positionUs) throws IOException {
-        return sampleExtractor.continueBuffering(positionUs);
-    }
-
-    @Override
-    public int readData(int track, long positionUs, MediaFormatHolder formatHolder,
-      SampleHolder sampleHolder, boolean onlyReadDiscontinuity) throws IOException {
-        Assertions.checkState(prepared);
-        Assertions.checkState(trackStates[track] != TRACK_STATE_DISABLED);
-        if (pendingDiscontinuities[track]) {
-            pendingDiscontinuities[track] = false;
-            return DISCONTINUITY_READ;
-        }
-        if (onlyReadDiscontinuity) {
-            return NOTHING_READ;
-        }
-        if (trackStates[track] != TRACK_STATE_FORMAT_SENT) {
-            sampleExtractor.getTrackMediaFormat(track, formatHolder);
-            trackStates[track] = TRACK_STATE_FORMAT_SENT;
-            return FORMAT_READ;
-        }
-
-        seekPositionUs = C.UNKNOWN_TIME_US;
-        return sampleExtractor.readSample(track, sampleHolder);
-    }
-
-    @Override
-    public void seekToUs(long positionUs) {
-        Assertions.checkState(prepared);
-        seekToUsInternal(positionUs, false);
-    }
-
-    @Override
-    public long getBufferedPositionUs() {
-        Assertions.checkState(prepared);
-        return sampleExtractor.getBufferedPositionUs();
-    }
-
-    @Override
-    public void release() {
-        Assertions.checkState(remainingReleaseCount > 0);
-        if (--remainingReleaseCount == 0) {
-            sampleExtractor.release();
-        }
-    }
-
-    private void seekToUsInternal(long positionUs, boolean force) {
-        // Unless forced, avoid duplicate calls to the underlying extractor's seek method in the case
-        // that there have been no interleaving calls to readSample.
-        if (force || seekPositionUs != positionUs) {
-            seekPositionUs = positionUs;
-            sampleExtractor.seekTo(positionUs);
-            for (int i = 0; i < trackStates.length; ++i) {
-                if (trackStates[i] != TRACK_STATE_DISABLED) {
-                    pendingDiscontinuities[i] = true;
-                }
-            }
-        }
-    }
-}