Add C.SAMPLE_FLAG_SYNC and removed InlinedApi suppression in a few places.

library/src/main/java/com/google/android/exoplayer/C.java

@@ -15,6 +15,8 @@
  */
 package com.google.android.exoplayer;
 
+import android.media.MediaExtractor;
+
 /**
  * Defines constants that are generally useful throughout the library.
  */
@@ -40,6 +42,12 @@ public final class C {
    */
   public static final String UTF8_NAME = "UTF-8";
 
+  /**
+   * Sample flag that indicates the sample is a synchronization sample.
+   */
+  @SuppressWarnings("InlinedApi")
+  public static final int SAMPLE_FLAG_SYNC = MediaExtractor.SAMPLE_FLAG_SYNC;
+
   private C() {}
 
 }

library/src/main/java/com/google/android/exoplayer/MediaCodecTrackRenderer.java

@@ -572,7 +572,7 @@ public abstract class MediaCodecTrackRenderer extends TrackRenderer {
     if (waitingForFirstSyncFrame) {
       // TODO: Find out if it's possible to supply samples prior to the first sync
       // frame for HE-AAC.
-      if ((sampleHolder.flags & MediaExtractor.SAMPLE_FLAG_SYNC) == 0) {
+      if ((sampleHolder.flags & C.SAMPLE_FLAG_SYNC) == 0) {
         sampleHolder.data.clear();
         if (codecReconfigurationState == RECONFIGURATION_STATE_QUEUE_PENDING) {
           // The buffer we just cleared contained reconfiguration data. We need to re-write this

library/src/main/java/com/google/android/exoplayer/chunk/parser/mp4/FragmentedMp4Extractor.java

@@ -762,7 +762,6 @@ public final class FragmentedMp4Extractor implements Extractor {
     return 0;
   }
 
-  @SuppressLint("InlinedApi")
   private int readSample(NonBlockingInputStream inputStream, int sampleSize, SampleHolder out) {
     if (out == null) {
       return RESULT_NEED_SAMPLE_HOLDER;
@@ -770,7 +769,7 @@ public final class FragmentedMp4Extractor implements Extractor {
     out.timeUs = fragmentRun.getSamplePresentationTime(sampleIndex) * 1000L;
     out.flags = 0;
     if (fragmentRun.sampleIsSyncFrameTable[sampleIndex]) {
-      out.flags |= MediaExtractor.SAMPLE_FLAG_SYNC;
+      out.flags |= C.SAMPLE_FLAG_SYNC;
       lastSyncSampleIndex = sampleIndex;
     }
     if (out.data == null || out.data.capacity() < sampleSize) {

library/src/main/java/com/google/android/exoplayer/chunk/parser/webm/WebmExtractor.java

@@ -25,9 +25,6 @@ import com.google.android.exoplayer.upstream.NonBlockingInputStream;
 import com.google.android.exoplayer.util.LongArray;
 import com.google.android.exoplayer.util.MimeTypes;
 
-import android.annotation.TargetApi;
-import android.media.MediaExtractor;
-
 import java.nio.ByteBuffer;
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -42,7 +39,6 @@ import java.util.concurrent.TimeUnit;
  * Matroska is available <a href="http://www.matroska.org/technical/specs/index.html">here</a>.
  * More info about WebM is <a href="http://www.webmproject.org/code/specs/container/">here</a>.
  */
-@TargetApi(16)
 public final class WebmExtractor implements Extractor {
 
   private static final String DOC_TYPE_WEBM = "webm";
@@ -412,7 +408,7 @@ public final class WebmExtractor implements Extractor {
           case LACING_NONE:
             long elementEndOffsetBytes = elementOffsetBytes + headerSizeBytes + contentsSizeBytes;
             simpleBlockTimecodeUs = clusterTimecodeUs + timecodeUs;
-            sampleHolder.flags = keyframe ? MediaExtractor.SAMPLE_FLAG_SYNC : 0;
+            sampleHolder.flags = keyframe ? C.SAMPLE_FLAG_SYNC : 0;
             sampleHolder.decodeOnly = invisible;
             sampleHolder.timeUs = clusterTimecodeUs + timecodeUs;
             sampleHolder.size = (int) (elementEndOffsetBytes - reader.getBytesRead());

library/src/main/java/com/google/android/exoplayer/hls/parser/SampleQueue.java

@@ -15,14 +15,12 @@
  */
 package com.google.android.exoplayer.hls.parser;
 
+import com.google.android.exoplayer.C;
 import com.google.android.exoplayer.MediaFormat;
 import com.google.android.exoplayer.SampleHolder;
 import com.google.android.exoplayer.upstream.BufferPool;
 import com.google.android.exoplayer.util.ParsableByteArray;
 
-import android.annotation.SuppressLint;
-import android.media.MediaExtractor;
-
 /**
  * Wraps a {@link RollingSampleBuffer}, adding higher level functionality such as enforcing that
  * the first sample returned from the queue is a keyframe, allowing splicing to another queue, and
@@ -117,7 +115,6 @@ import android.media.MediaExtractor;
    * @param nextQueue The queue being spliced to.
    * @return Whether the splice was configured successfully.
    */
-  @SuppressLint("InlinedApi")
   public boolean configureSpliceTo(SampleQueue nextQueue) {
     if (spliceOutTimeUs != Long.MIN_VALUE) {
       // We've already configured the splice.
@@ -132,7 +129,7 @@ import android.media.MediaExtractor;
     RollingSampleBuffer nextRollingBuffer = nextQueue.rollingBuffer;
     while (nextRollingBuffer.peekSample(sampleInfoHolder)
         && (sampleInfoHolder.timeUs < firstPossibleSpliceTime
-            || (sampleInfoHolder.flags & MediaExtractor.SAMPLE_FLAG_SYNC) == 0)) {
+            || (sampleInfoHolder.flags & C.SAMPLE_FLAG_SYNC) == 0)) {
       // Discard samples from the next queue for as long as they are before the earliest possible
       // splice time, or not keyframes.
       nextRollingBuffer.skipSample();
@@ -152,11 +149,10 @@ import android.media.MediaExtractor;
    * @boolean True if an eligible sample was found. False otherwise, in which case the underlying
    *     buffer has been emptied.
    */
-  @SuppressLint("InlinedApi")
   private boolean advanceToEligibleSample() {
     boolean haveNext = rollingBuffer.peekSample(sampleInfoHolder);
     if (needKeyframe) {
-      while (haveNext && (sampleInfoHolder.flags & MediaExtractor.SAMPLE_FLAG_SYNC) == 0) {
+      while (haveNext && (sampleInfoHolder.flags & C.SAMPLE_FLAG_SYNC) == 0) {
         rollingBuffer.skipSample();
         haveNext = rollingBuffer.peekSample(sampleInfoHolder);
       }

library/src/main/java/com/google/android/exoplayer/mp4/CommonMp4AtomParsers.java

@@ -24,8 +24,6 @@ import com.google.android.exoplayer.util.MimeTypes;
 import com.google.android.exoplayer.util.ParsableByteArray;
 import com.google.android.exoplayer.util.Util;
 
-import android.annotation.SuppressLint;
-import android.media.MediaExtractor;
 import android.util.Pair;
 
 import java.util.ArrayList;
@@ -81,7 +79,6 @@ public final class CommonMp4AtomParsers {
    * @param stblAtom stbl (sample table) atom to parse.
    * @return Sample table described by the stbl atom.
    */
-  @SuppressLint("InlinedApi")
   public static Mp4TrackSampleTable parseStbl(Track track, Atom.ContainerAtom stblAtom) {
     // Array of sample sizes.
     ParsableByteArray stsz = stblAtom.getLeafAtomOfType(Atom.TYPE_stsz).data;
@@ -174,9 +171,9 @@ public final class CommonMp4AtomParsers {
       timestamps[i] = timestampTimeUnits + timestampOffset;
 
       // All samples are synchronization samples if the stss is not present.
-      flags[i] = stss == null ? MediaExtractor.SAMPLE_FLAG_SYNC : 0;
+      flags[i] = stss == null ? C.SAMPLE_FLAG_SYNC : 0;
       if (i == nextSynchronizationSampleIndex) {
-        flags[i] = MediaExtractor.SAMPLE_FLAG_SYNC;
+        flags[i] = C.SAMPLE_FLAG_SYNC;
         remainingSynchronizationSamples--;
         if (remainingSynchronizationSamples > 0) {
           nextSynchronizationSampleIndex = stss.readUnsignedIntToInt() - 1;

library/src/main/java/com/google/android/exoplayer/mp4/Mp4TrackSampleTable.java

@@ -15,11 +15,10 @@
  */
 package com.google.android.exoplayer.mp4;
 
+import com.google.android.exoplayer.C;
 import com.google.android.exoplayer.util.Assertions;
 import com.google.android.exoplayer.util.Util;
 
-import android.media.MediaExtractor;
-
 /** Sample table for a track in an MP4 file. */
 public final class Mp4TrackSampleTable {
 
@@ -59,7 +58,7 @@ public final class Mp4TrackSampleTable {
   public int getIndexOfEarlierOrEqualSynchronizationSample(long timeUs) {
     int startIndex = Util.binarySearchFloor(timestampsUs, timeUs, true, false);
     for (int i = startIndex; i >= 0; i--) {
-      if (timestampsUs[i] <= timeUs && (flags[i] & MediaExtractor.SAMPLE_FLAG_SYNC) != 0) {
+      if (timestampsUs[i] <= timeUs && (flags[i] & C.SAMPLE_FLAG_SYNC) != 0) {
         return i;
       }
     }
@@ -77,7 +76,7 @@ public final class Mp4TrackSampleTable {
   public int getIndexOfLaterOrEqualSynchronizationSample(long timeUs) {
     int startIndex = Util.binarySearchCeil(timestampsUs, timeUs, true, false);
     for (int i = startIndex; i < timestampsUs.length; i++) {
-      if (timestampsUs[i] >= timeUs && (flags[i] & MediaExtractor.SAMPLE_FLAG_SYNC) != 0) {
+      if (timestampsUs[i] >= timeUs && (flags[i] & C.SAMPLE_FLAG_SYNC) != 0) {
         return i;
       }
     }