TsExtractor: handle packets without PTS

#minor-release
Issue: #9294
PiperOrigin-RevId: 392844983

RELEASENOTES.md

@@ -11,6 +11,9 @@
     *   Deprecate `SimpleExoPlayer.Builder`. Use `ExoPlayer.Builder` instead.
     *   Fix track selection in `StyledPlayerControlView` when using
         `ForwardingPlayer`.
+*   Extractors:
+    *   Support TS packets without PTS flag
+        ([#9294](https://github.com/google/ExoPlayer/issues/9294)).
 *   Android 12 compatibility:
     *   Disable platform transcoding when playing content URIs on Android 12.
     *   Add `ExoPlayer.setVideoChangeFrameRateStrategy` to allow disabling of

library/extractor/src/main/java/com/google/android/exoplayer2/extractor/CeaUtil.java

@@ -102,12 +102,14 @@ public final class CeaUtil {
     for (TrackOutput output : outputs) {
       ccDataBuffer.setPosition(sampleStartPosition);
       output.sampleData(ccDataBuffer, sampleLength);
-      output.sampleMetadata(
-          presentationTimeUs,
-          C.BUFFER_FLAG_KEY_FRAME,
-          sampleLength,
-          /* offset= */ 0,
-          /* encryptionData= */ null);
+      if (presentationTimeUs != C.TIME_UNSET) {
+        output.sampleMetadata(
+            presentationTimeUs,
+            C.BUFFER_FLAG_KEY_FRAME,
+            sampleLength,
+            /* offset= */ 0,
+            /* cryptoData= */ null);
+      }
     }
   }
 

library/extractor/src/main/java/com/google/android/exoplayer2/extractor/ts/Ac3Reader.java

@@ -85,6 +85,7 @@ public final class Ac3Reader implements ElementaryStreamReader {
     headerScratchBits = new ParsableBitArray(new byte[HEADER_SIZE]);
     headerScratchBytes = new ParsableByteArray(headerScratchBits.data);
     state = STATE_FINDING_SYNC;
+    timeUs = C.TIME_UNSET;
     this.language = language;
   }
 
@@ -93,6 +94,7 @@ public final class Ac3Reader implements ElementaryStreamReader {
     state = STATE_FINDING_SYNC;
     bytesRead = 0;
     lastByteWas0B = false;
+    timeUs = C.TIME_UNSET;
   }
 
   @Override
@@ -104,7 +106,9 @@ public final class Ac3Reader implements ElementaryStreamReader {
 
   @Override
   public void packetStarted(long pesTimeUs, @TsPayloadReader.Flags int flags) {
-    timeUs = pesTimeUs;
+    if (pesTimeUs != C.TIME_UNSET) {
+      timeUs = pesTimeUs;
+    }
   }
 
   @Override
@@ -133,8 +137,10 @@ public final class Ac3Reader implements ElementaryStreamReader {
           output.sampleData(data, bytesToRead);
           bytesRead += bytesToRead;
           if (bytesRead == sampleSize) {
-            output.sampleMetadata(timeUs, C.BUFFER_FLAG_KEY_FRAME, sampleSize, 0, null);
-            timeUs += sampleDurationUs;
+            if (timeUs != C.TIME_UNSET) {
+              output.sampleMetadata(timeUs, C.BUFFER_FLAG_KEY_FRAME, sampleSize, 0, null);
+              timeUs += sampleDurationUs;
+            }
             state = STATE_FINDING_SYNC;
           }
           break;

library/extractor/src/main/java/com/google/android/exoplayer2/extractor/ts/Ac4Reader.java

@@ -87,6 +87,7 @@ public final class Ac4Reader implements ElementaryStreamReader {
     bytesRead = 0;
     lastByteWasAC = false;
     hasCRC = false;
+    timeUs = C.TIME_UNSET;
     this.language = language;
   }
 
@@ -96,6 +97,7 @@ public final class Ac4Reader implements ElementaryStreamReader {
     bytesRead = 0;
     lastByteWasAC = false;
     hasCRC = false;
+    timeUs = C.TIME_UNSET;
   }
 
   @Override
@@ -107,7 +109,9 @@ public final class Ac4Reader implements ElementaryStreamReader {
 
   @Override
   public void packetStarted(long pesTimeUs, @TsPayloadReader.Flags int flags) {
-    timeUs = pesTimeUs;
+    if (pesTimeUs != C.TIME_UNSET) {
+      timeUs = pesTimeUs;
+    }
   }
 
   @Override
@@ -136,8 +140,10 @@ public final class Ac4Reader implements ElementaryStreamReader {
           output.sampleData(data, bytesToRead);
           bytesRead += bytesToRead;
           if (bytesRead == sampleSize) {
-            output.sampleMetadata(timeUs, C.BUFFER_FLAG_KEY_FRAME, sampleSize, 0, null);
-            timeUs += sampleDurationUs;
+            if (timeUs != C.TIME_UNSET) {
+              output.sampleMetadata(timeUs, C.BUFFER_FLAG_KEY_FRAME, sampleSize, 0, null);
+              timeUs += sampleDurationUs;
+            }
             state = STATE_FINDING_SYNC;
           }
           break;

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

@@ -114,6 +114,7 @@ public final class AdtsReader implements ElementaryStreamReader {
     firstFrameVersion = VERSION_UNSET;
     firstFrameSampleRateIndex = C.INDEX_UNSET;
     sampleDurationUs = C.TIME_UNSET;
+    timeUs = C.TIME_UNSET;
     this.exposeId3 = exposeId3;
     this.language = language;
   }
@@ -125,6 +126,7 @@ public final class AdtsReader implements ElementaryStreamReader {
 
   @Override
   public void seek() {
+    timeUs = C.TIME_UNSET;
     resetSync();
   }
 
@@ -149,7 +151,9 @@ public final class AdtsReader implements ElementaryStreamReader {
 
   @Override
   public void packetStarted(long pesTimeUs, @TsPayloadReader.Flags int flags) {
-    timeUs = pesTimeUs;
+    if (pesTimeUs != C.TIME_UNSET) {
+      timeUs = pesTimeUs;
+    }
   }
 
   @Override
@@ -529,8 +533,10 @@ public final class AdtsReader implements ElementaryStreamReader {
     currentOutput.sampleData(data, bytesToRead);
     bytesRead += bytesToRead;
     if (bytesRead == sampleSize) {
-      currentOutput.sampleMetadata(timeUs, C.BUFFER_FLAG_KEY_FRAME, sampleSize, 0, null);
-      timeUs += currentSampleDuration;
+      if (timeUs != C.TIME_UNSET) {
+        currentOutput.sampleMetadata(timeUs, C.BUFFER_FLAG_KEY_FRAME, sampleSize, 0, null);
+        timeUs += currentSampleDuration;
+      }
       setFindingSampleState();
     }
   }

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

@@ -66,6 +66,7 @@ public final class DtsReader implements ElementaryStreamReader {
   public DtsReader(@Nullable String language) {
     headerScratchBytes = new ParsableByteArray(new byte[HEADER_SIZE]);
     state = STATE_FINDING_SYNC;
+    timeUs = C.TIME_UNSET;
     this.language = language;
   }
 
@@ -74,6 +75,7 @@ public final class DtsReader implements ElementaryStreamReader {
     state = STATE_FINDING_SYNC;
     bytesRead = 0;
     syncBytes = 0;
+    timeUs = C.TIME_UNSET;
   }
 
   @Override
@@ -85,7 +87,9 @@ public final class DtsReader implements ElementaryStreamReader {
 
   @Override
   public void packetStarted(long pesTimeUs, @TsPayloadReader.Flags int flags) {
-    timeUs = pesTimeUs;
+    if (pesTimeUs != C.TIME_UNSET) {
+      timeUs = pesTimeUs;
+    }
   }
 
   @Override
@@ -111,8 +115,10 @@ public final class DtsReader implements ElementaryStreamReader {
           output.sampleData(data, bytesToRead);
           bytesRead += bytesToRead;
           if (bytesRead == sampleSize) {
-            output.sampleMetadata(timeUs, C.BUFFER_FLAG_KEY_FRAME, sampleSize, 0, null);
-            timeUs += sampleDurationUs;
+            if (timeUs != C.TIME_UNSET) {
+              output.sampleMetadata(timeUs, C.BUFFER_FLAG_KEY_FRAME, sampleSize, 0, null);
+              timeUs += sampleDurationUs;
+            }
             state = STATE_FINDING_SYNC;
           }
           break;

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

@@ -43,11 +43,13 @@ public final class DvbSubtitleReader implements ElementaryStreamReader {
   public DvbSubtitleReader(List<DvbSubtitleInfo> subtitleInfos) {
     this.subtitleInfos = subtitleInfos;
     outputs = new TrackOutput[subtitleInfos.size()];
+    sampleTimeUs = C.TIME_UNSET;
   }
 
   @Override
   public void seek() {
     writingSample = false;
+    sampleTimeUs = C.TIME_UNSET;
   }
 
   @Override
@@ -73,7 +75,9 @@ public final class DvbSubtitleReader implements ElementaryStreamReader {
       return;
     }
     writingSample = true;
-    sampleTimeUs = pesTimeUs;
+    if (pesTimeUs != C.TIME_UNSET) {
+      sampleTimeUs = pesTimeUs;
+    }
     sampleBytesWritten = 0;
     bytesToCheck = 2;
   }
@@ -81,8 +85,10 @@ public final class DvbSubtitleReader implements ElementaryStreamReader {
   @Override
   public void packetFinished() {
     if (writingSample) {
-      for (TrackOutput output : outputs) {
-        output.sampleMetadata(sampleTimeUs, C.BUFFER_FLAG_KEY_FRAME, sampleBytesWritten, 0, null);
+      if (sampleTimeUs != C.TIME_UNSET) {
+        for (TrackOutput output : outputs) {
+          output.sampleMetadata(sampleTimeUs, C.BUFFER_FLAG_KEY_FRAME, sampleBytesWritten, 0, null);
+        }
       }
       writingSample = false;
     }

library/extractor/src/main/java/com/google/android/exoplayer2/extractor/ts/H262Reader.java

@@ -87,6 +87,8 @@ public final class H262Reader implements ElementaryStreamReader {
       userData = null;
       userDataParsable = null;
     }
+    pesTimeUs = C.TIME_UNSET;
+    sampleTimeUs = C.TIME_UNSET;
   }
 
   @Override
@@ -98,6 +100,8 @@ public final class H262Reader implements ElementaryStreamReader {
     }
     totalBytesWritten = 0;
     startedFirstSample = false;
+    pesTimeUs = C.TIME_UNSET;
+    sampleTimeUs = C.TIME_UNSET;
   }
 
   @Override
@@ -182,7 +186,7 @@ public final class H262Reader implements ElementaryStreamReader {
       }
       if (startCodeValue == START_PICTURE || startCodeValue == START_SEQUENCE_HEADER) {
         int bytesWrittenPastStartCode = limit - startCodeOffset;
-        if (startedFirstSample && sampleHasPicture && hasOutputFormat) {
+        if (sampleHasPicture && hasOutputFormat && sampleTimeUs != C.TIME_UNSET) {
           // Output the sample.
           @C.BufferFlags int flags = sampleIsKeyframe ? C.BUFFER_FLAG_KEY_FRAME : 0;
           int size = (int) (totalBytesWritten - samplePosition) - bytesWrittenPastStartCode;
@@ -194,7 +198,9 @@ public final class H262Reader implements ElementaryStreamReader {
           sampleTimeUs =
               pesTimeUs != C.TIME_UNSET
                   ? pesTimeUs
-                  : (startedFirstSample ? (sampleTimeUs + frameDurationUs) : 0);
+                  : (sampleTimeUs != C.TIME_UNSET
+                      ? (sampleTimeUs + frameDurationUs)
+                      : C.TIME_UNSET);
           sampleIsKeyframe = false;
           pesTimeUs = C.TIME_UNSET;
           startedFirstSample = true;

library/extractor/src/main/java/com/google/android/exoplayer2/extractor/ts/H263Reader.java

@@ -87,6 +87,7 @@ public final class H263Reader implements ElementaryStreamReader {
     this.userDataReader = userDataReader;
     prefixFlags = new boolean[4];
     csdBuffer = new CsdBuffer(128);
+    pesTimeUs = C.TIME_UNSET;
     if (userDataReader != null) {
       userData = new NalUnitTargetBuffer(START_CODE_VALUE_USER_DATA, 128);
       userDataParsable = new ParsableByteArray();
@@ -107,6 +108,7 @@ public final class H263Reader implements ElementaryStreamReader {
       userData.reset();
     }
     totalBytesWritten = 0;
+    pesTimeUs = C.TIME_UNSET;
   }
 
   @Override
@@ -123,7 +125,9 @@ public final class H263Reader implements ElementaryStreamReader {
   @Override
   public void packetStarted(long pesTimeUs, @TsPayloadReader.Flags int flags) {
     // TODO (Internal b/32267012): Consider using random access indicator.
-    this.pesTimeUs = pesTimeUs;
+    if (pesTimeUs != C.TIME_UNSET) {
+      this.pesTimeUs = pesTimeUs;
+    }
   }
 
   @Override
@@ -462,7 +466,10 @@ public final class H263Reader implements ElementaryStreamReader {
     }
 
     public void onDataEnd(long position, int bytesWrittenPastPosition, boolean hasOutputFormat) {
-      if (startCodeValue == START_CODE_VALUE_VOP && hasOutputFormat && readingSample) {
+      if (startCodeValue == START_CODE_VALUE_VOP
+          && hasOutputFormat
+          && readingSample
+          && sampleTimeUs != C.TIME_UNSET) {
         int size = (int) (position - samplePosition);
         @C.BufferFlags int flags = sampleIsKeyframe ? C.BUFFER_FLAG_KEY_FRAME : 0;
         output.sampleMetadata(

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

@@ -86,6 +86,7 @@ public final class H264Reader implements ElementaryStreamReader {
     sps = new NalUnitTargetBuffer(NAL_UNIT_TYPE_SPS, 128);
     pps = new NalUnitTargetBuffer(NAL_UNIT_TYPE_PPS, 128);
     sei = new NalUnitTargetBuffer(NAL_UNIT_TYPE_SEI, 128);
+    pesTimeUs = C.TIME_UNSET;
     seiWrapper = new ParsableByteArray();
   }
 
@@ -93,6 +94,7 @@ public final class H264Reader implements ElementaryStreamReader {
   public void seek() {
     totalBytesWritten = 0;
     randomAccessIndicator = false;
+    pesTimeUs = C.TIME_UNSET;
     NalUnitUtil.clearPrefixFlags(prefixFlags);
     sps.reset();
     pps.reset();
@@ -113,7 +115,9 @@ public final class H264Reader implements ElementaryStreamReader {
 
   @Override
   public void packetStarted(long pesTimeUs, @TsPayloadReader.Flags int flags) {
-    this.pesTimeUs = pesTimeUs;
+    if (pesTimeUs != C.TIME_UNSET) {
+      this.pesTimeUs = pesTimeUs;
+    }
     randomAccessIndicator |= (flags & FLAG_RANDOM_ACCESS_INDICATOR) != 0;
   }
 
@@ -495,6 +499,9 @@ public final class H264Reader implements ElementaryStreamReader {
     }
 
     private void outputSample(int offset) {
+      if (sampleTimeUs == C.TIME_UNSET) {
+        return;
+      }
       @C.BufferFlags int flags = sampleIsKeyframe ? C.BUFFER_FLAG_KEY_FRAME : 0;
       int size = (int) (nalUnitStartPosition - samplePosition);
       output.sampleMetadata(sampleTimeUs, flags, size, offset, null);

library/extractor/src/main/java/com/google/android/exoplayer2/extractor/ts/H265Reader.java

@@ -85,12 +85,14 @@ public final class H265Reader implements ElementaryStreamReader {
     pps = new NalUnitTargetBuffer(PPS_NUT, 128);
     prefixSei = new NalUnitTargetBuffer(PREFIX_SEI_NUT, 128);
     suffixSei = new NalUnitTargetBuffer(SUFFIX_SEI_NUT, 128);
+    pesTimeUs = C.TIME_UNSET;
     seiWrapper = new ParsableByteArray();
   }
 
   @Override
   public void seek() {
     totalBytesWritten = 0;
+    pesTimeUs = C.TIME_UNSET;
     NalUnitUtil.clearPrefixFlags(prefixFlags);
     vps.reset();
     sps.reset();
@@ -114,7 +116,9 @@ public final class H265Reader implements ElementaryStreamReader {
   @Override
   public void packetStarted(long pesTimeUs, @TsPayloadReader.Flags int flags) {
     // TODO (Internal b/32267012): Consider using random access indicator.
-    this.pesTimeUs = pesTimeUs;
+    if (pesTimeUs != C.TIME_UNSET) {
+      this.pesTimeUs = pesTimeUs;
+    }
   }
 
   @Override
@@ -536,6 +540,9 @@ public final class H265Reader implements ElementaryStreamReader {
     }
 
     private void outputSample(int offset) {
+      if (sampleTimeUs == C.TIME_UNSET) {
+        return;
+      }
       @C.BufferFlags int flags = sampleIsKeyframe ? C.BUFFER_FLAG_KEY_FRAME : 0;
       int size = (int) (nalUnitPosition - samplePosition);
       output.sampleMetadata(sampleTimeUs, flags, size, offset, null);

library/extractor/src/main/java/com/google/android/exoplayer2/extractor/ts/Id3Reader.java

@@ -49,11 +49,13 @@ public final class Id3Reader implements ElementaryStreamReader {
 
   public Id3Reader() {
     id3Header = new ParsableByteArray(ID3_HEADER_LENGTH);
+    sampleTimeUs = C.TIME_UNSET;
   }
 
   @Override
   public void seek() {
     writingSample = false;
+    sampleTimeUs = C.TIME_UNSET;
   }
 
   @Override
@@ -73,7 +75,9 @@ public final class Id3Reader implements ElementaryStreamReader {
       return;
     }
     writingSample = true;
-    sampleTimeUs = pesTimeUs;
+    if (pesTimeUs != C.TIME_UNSET) {
+      sampleTimeUs = pesTimeUs;
+    }
     sampleSize = 0;
     sampleBytesRead = 0;
   }
@@ -120,7 +124,9 @@ public final class Id3Reader implements ElementaryStreamReader {
     if (!writingSample || sampleSize == 0 || sampleBytesRead != sampleSize) {
       return;
     }
-    output.sampleMetadata(sampleTimeUs, C.BUFFER_FLAG_KEY_FRAME, sampleSize, 0, null);
+    if (sampleTimeUs != C.TIME_UNSET) {
+      output.sampleMetadata(sampleTimeUs, C.BUFFER_FLAG_KEY_FRAME, sampleSize, 0, null);
+    }
     writingSample = false;
   }
 }

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

@@ -78,11 +78,13 @@ public final class LatmReader implements ElementaryStreamReader {
     this.language = language;
     sampleDataBuffer = new ParsableByteArray(INITIAL_BUFFER_SIZE);
     sampleBitArray = new ParsableBitArray(sampleDataBuffer.getData());
+    timeUs = C.TIME_UNSET;
   }
 
   @Override
   public void seek() {
     state = STATE_FINDING_SYNC_1;
+    timeUs = C.TIME_UNSET;
     streamMuxRead = false;
   }
 
@@ -95,7 +97,9 @@ public final class LatmReader implements ElementaryStreamReader {
 
   @Override
   public void packetStarted(long pesTimeUs, @TsPayloadReader.Flags int flags) {
-    timeUs = pesTimeUs;
+    if (pesTimeUs != C.TIME_UNSET) {
+      timeUs = pesTimeUs;
+    }
   }
 
   @Override
@@ -306,8 +310,10 @@ public final class LatmReader implements ElementaryStreamReader {
       sampleDataBuffer.setPosition(0);
     }
     output.sampleData(sampleDataBuffer, muxLengthBytes);
-    output.sampleMetadata(timeUs, C.BUFFER_FLAG_KEY_FRAME, muxLengthBytes, 0, null);
-    timeUs += sampleDurationUs;
+    if (timeUs != C.TIME_UNSET) {
+      output.sampleMetadata(timeUs, C.BUFFER_FLAG_KEY_FRAME, muxLengthBytes, 0, null);
+      timeUs += sampleDurationUs;
+    }
   }
 
   private void resetBufferForSize(int newSize) {

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

@@ -69,6 +69,7 @@ public final class MpegAudioReader implements ElementaryStreamReader {
     headerScratch = new ParsableByteArray(4);
     headerScratch.getData()[0] = (byte) 0xFF;
     header = new MpegAudioUtil.Header();
+    timeUs = C.TIME_UNSET;
     this.language = language;
   }
 
@@ -77,6 +78,7 @@ public final class MpegAudioReader implements ElementaryStreamReader {
     state = STATE_FINDING_HEADER;
     frameBytesRead = 0;
     lastByteWasFF = false;
+    timeUs = C.TIME_UNSET;
   }
 
   @Override
@@ -88,7 +90,9 @@ public final class MpegAudioReader implements ElementaryStreamReader {
 
   @Override
   public void packetStarted(long pesTimeUs, @TsPayloadReader.Flags int flags) {
-    timeUs = pesTimeUs;
+    if (pesTimeUs != C.TIME_UNSET) {
+      timeUs = pesTimeUs;
+    }
   }
 
   @Override
@@ -227,8 +231,10 @@ public final class MpegAudioReader implements ElementaryStreamReader {
       return;
     }
 
-    output.sampleMetadata(timeUs, C.BUFFER_FLAG_KEY_FRAME, frameSize, 0, null);
-    timeUs += frameDurationUs;
+    if (timeUs != C.TIME_UNSET) {
+      output.sampleMetadata(timeUs, C.BUFFER_FLAG_KEY_FRAME, frameSize, 0, null);
+      timeUs += frameDurationUs;
+    }
     frameBytesRead = 0;
     state = STATE_FINDING_HEADER;
   }