Build codecs string from SPS data in H.264

Issue:#4555

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=207096569

library/core/src/main/java/com/google/android/exoplayer2/extractor/ts/H264Reader.java

@@ -21,6 +21,7 @@ import com.google.android.exoplayer2.Format;
 import com.google.android.exoplayer2.extractor.ExtractorOutput;
 import com.google.android.exoplayer2.extractor.TrackOutput;
 import com.google.android.exoplayer2.extractor.ts.TsPayloadReader.TrackIdGenerator;
+import com.google.android.exoplayer2.util.CodecSpecificDataUtil;
 import com.google.android.exoplayer2.util.MimeTypes;
 import com.google.android.exoplayer2.util.NalUnitUtil;
 import com.google.android.exoplayer2.util.NalUnitUtil.SpsData;
@@ -180,9 +181,23 @@ public final class H264Reader implements ElementaryStreamReader {
           initializationData.add(Arrays.copyOf(pps.nalData, pps.nalLength));
           NalUnitUtil.SpsData spsData = NalUnitUtil.parseSpsNalUnit(sps.nalData, 3, sps.nalLength);
           NalUnitUtil.PpsData ppsData = NalUnitUtil.parsePpsNalUnit(pps.nalData, 3, pps.nalLength);
-          output.format(Format.createVideoSampleFormat(formatId, MimeTypes.VIDEO_H264, null,
-              Format.NO_VALUE, Format.NO_VALUE, spsData.width, spsData.height, Format.NO_VALUE,
-              initializationData, Format.NO_VALUE, spsData.pixelWidthAspectRatio, null));
+          output.format(
+              Format.createVideoSampleFormat(
+                  formatId,
+                  MimeTypes.VIDEO_H264,
+                  CodecSpecificDataUtil.buildAvcCodecString(
+                      spsData.profileIdc,
+                      spsData.constraintsFlagsAndReservedZero2Bits,
+                      spsData.levelIdc),
+                  /* bitrate= */ Format.NO_VALUE,
+                  /* maxInputSize= */ Format.NO_VALUE,
+                  spsData.width,
+                  spsData.height,
+                  /* frameRate= */ Format.NO_VALUE,
+                  initializationData,
+                  /* rotationDegrees= */ Format.NO_VALUE,
+                  spsData.pixelWidthAspectRatio,
+                  /* drmInitData= */ null));
           hasOutputFormat = true;
           sampleReader.putSps(spsData);
           sampleReader.putPps(ppsData);

library/core/src/main/java/com/google/android/exoplayer2/mediacodec/MediaCodecUtil.java

@@ -674,6 +674,9 @@ public final class MediaCodecUtil {
     AVC_PROFILE_NUMBER_TO_CONST.put(77, CodecProfileLevel.AVCProfileMain);
     AVC_PROFILE_NUMBER_TO_CONST.put(88, CodecProfileLevel.AVCProfileExtended);
     AVC_PROFILE_NUMBER_TO_CONST.put(100, CodecProfileLevel.AVCProfileHigh);
+    AVC_PROFILE_NUMBER_TO_CONST.put(110, CodecProfileLevel.AVCProfileHigh10);
+    AVC_PROFILE_NUMBER_TO_CONST.put(122, CodecProfileLevel.AVCProfileHigh422);
+    AVC_PROFILE_NUMBER_TO_CONST.put(244, CodecProfileLevel.AVCProfileHigh444);
 
     AVC_LEVEL_NUMBER_TO_CONST = new SparseIntArray();
     AVC_LEVEL_NUMBER_TO_CONST.put(10, CodecProfileLevel.AVCLevel1);

library/core/src/main/java/com/google/android/exoplayer2/util/CodecSpecificDataUtil.java

@@ -206,6 +206,21 @@ public final class CodecSpecificDataUtil {
   }
 
   /**
+   * Builds an RFC 6381 AVC codec string using the provided parameters.
+   *
+   * @param profileIdc The encoding profile.
+   * @param constraintsFlagsAndReservedZero2Bits The constraint flags followed by the reserved zero
+   *     2 bits, all contained in the least significant byte of the integer.
+   * @param levelIdc The encoding level.
+   * @return An RFC 6381 AVC codec string built using the provided parameters.
+   */
+  public static String buildAvcCodecString(
+      int profileIdc, int constraintsFlagsAndReservedZero2Bits, int levelIdc) {
+    return String.format(
+        "avc1.%02X%02X%02X", profileIdc, constraintsFlagsAndReservedZero2Bits, levelIdc);
+  }
+
+  /**
    * Constructs a NAL unit consisting of the NAL start code followed by the specified data.
    *
    * @param data An array containing the data that should follow the NAL start code.

library/core/src/main/java/com/google/android/exoplayer2/util/NalUnitUtil.java

@@ -31,6 +31,9 @@ public final class NalUnitUtil {
    */
   public static final class SpsData {
 
+    public final int profileIdc;
+    public final int constraintsFlagsAndReservedZero2Bits;
+    public final int levelIdc;
     public final int seqParameterSetId;
     public final int width;
     public final int height;
@@ -42,9 +45,23 @@ public final class NalUnitUtil {
     public final int picOrderCntLsbLength;
     public final boolean deltaPicOrderAlwaysZeroFlag;
 
-    public SpsData(int seqParameterSetId, int width, int height, float pixelWidthAspectRatio,
-        boolean separateColorPlaneFlag, boolean frameMbsOnlyFlag, int frameNumLength,
-        int picOrderCountType, int picOrderCntLsbLength, boolean deltaPicOrderAlwaysZeroFlag) {
+    public SpsData(
+        int profileIdc,
+        int constraintsFlagsAndReservedZero2Bits,
+        int levelIdc,
+        int seqParameterSetId,
+        int width,
+        int height,
+        float pixelWidthAspectRatio,
+        boolean separateColorPlaneFlag,
+        boolean frameMbsOnlyFlag,
+        int frameNumLength,
+        int picOrderCountType,
+        int picOrderCntLsbLength,
+        boolean deltaPicOrderAlwaysZeroFlag) {
+      this.profileIdc = profileIdc;
+      this.constraintsFlagsAndReservedZero2Bits = constraintsFlagsAndReservedZero2Bits;
+      this.levelIdc = levelIdc;
       this.seqParameterSetId = seqParameterSetId;
       this.width = width;
       this.height = height;
@@ -251,7 +268,8 @@ public final class NalUnitUtil {
     ParsableNalUnitBitArray data = new ParsableNalUnitBitArray(nalData, nalOffset, nalLimit);
     data.skipBits(8); // nal_unit
     int profileIdc = data.readBits(8);
-    data.skipBits(16); // constraint bits (6), reserved (2) and level_idc (8)
+    int constraintsFlagsAndReservedZero2Bits = data.readBits(8);
+    int levelIdc = data.readBits(8);
     int seqParameterSetId = data.readUnsignedExpGolombCodedInt();
 
     int chromaFormatIdc = 1; // Default is 4:2:0
@@ -349,9 +367,20 @@ public final class NalUnitUtil {
       }
     }
 
-    return new SpsData(seqParameterSetId, frameWidth, frameHeight, pixelWidthHeightRatio,
-        separateColorPlaneFlag, frameMbsOnlyFlag, frameNumLength, picOrderCntType,
-        picOrderCntLsbLength, deltaPicOrderAlwaysZeroFlag);
+    return new SpsData(
+        profileIdc,
+        constraintsFlagsAndReservedZero2Bits,
+        levelIdc,
+        seqParameterSetId,
+        frameWidth,
+        frameHeight,
+        pixelWidthHeightRatio,
+        separateColorPlaneFlag,
+        frameMbsOnlyFlag,
+        frameNumLength,
+        picOrderCntType,
+        picOrderCntLsbLength,
+        deltaPicOrderAlwaysZeroFlag);
   }
 
   /**