From ed977d1429cf05414264579ef5ac0dc35f6d9be7 Mon Sep 17 00:00:00 2001
From: kimvde <kimvde@google.com>
Date: Wed, 15 Apr 2020 18:49:16 +0100
Subject: [PATCH] Test and fix H265Reader

- Update H265Reader to output the same samples after a seek to 0.
- Add a TsExtractor test for H.265.

PiperOrigin-RevId: 306675050
---
 .../exoplayer2/extractor/ts/H265Reader.java   |  26 ++--
 .../extractor/ts/TsExtractorTest.java         |   5 +
 testdata/src/test/assets/ts/sample_h265.ts    | Bin 0 -> 24440 bytes
 .../src/test/assets/ts/sample_h265.ts.0.dump  | 141 ++++++++++++++++++
 .../src/test/assets/ts/sample_h265.ts.1.dump  | 105 +++++++++++++
 .../src/test/assets/ts/sample_h265.ts.2.dump  |  69 +++++++++
 .../src/test/assets/ts/sample_h265.ts.3.dump  |  33 ++++
 .../ts/sample_h265.ts.unknown_length.dump     | 138 +++++++++++++++++
 8 files changed, 504 insertions(+), 13 deletions(-)
 create mode 100644 testdata/src/test/assets/ts/sample_h265.ts
 create mode 100644 testdata/src/test/assets/ts/sample_h265.ts.0.dump
 create mode 100644 testdata/src/test/assets/ts/sample_h265.ts.1.dump
 create mode 100644 testdata/src/test/assets/ts/sample_h265.ts.2.dump
 create mode 100644 testdata/src/test/assets/ts/sample_h265.ts.3.dump
 create mode 100644 testdata/src/test/assets/ts/sample_h265.ts.unknown_length.dump

diff --git a/library/extractor/src/main/java/com/google/android/exoplayer2/extractor/ts/H265Reader.java b/library/extractor/src/main/java/com/google/android/exoplayer2/extractor/ts/H265Reader.java
index 4369ff7ca0..dcf64d9198 100644
--- a/library/extractor/src/main/java/com/google/android/exoplayer2/extractor/ts/H265Reader.java
+++ b/library/extractor/src/main/java/com/google/android/exoplayer2/extractor/ts/H265Reader.java
@@ -172,9 +172,8 @@ public final class H265Reader implements ElementaryStreamReader {
 
   @RequiresNonNull("sampleReader")
   private void startNalUnit(long position, int offset, int nalUnitType, long pesTimeUs) {
-    if (hasOutputFormat) {
-      sampleReader.startNalUnit(position, offset, nalUnitType, pesTimeUs);
-    } else {
+    sampleReader.startNalUnit(position, offset, nalUnitType, pesTimeUs, hasOutputFormat);
+    if (!hasOutputFormat) {
       vps.startNalUnit(nalUnitType);
       sps.startNalUnit(nalUnitType);
       pps.startNalUnit(nalUnitType);
@@ -185,9 +184,8 @@ public final class H265Reader implements ElementaryStreamReader {
 
   @RequiresNonNull("sampleReader")
   private void nalUnitData(byte[] dataArray, int offset, int limit) {
-    if (hasOutputFormat) {
-      sampleReader.readNalUnitData(dataArray, offset, limit);
-    } else {
+    sampleReader.readNalUnitData(dataArray, offset, limit);
+    if (!hasOutputFormat) {
       vps.appendToNalUnit(dataArray, offset, limit);
       sps.appendToNalUnit(dataArray, offset, limit);
       pps.appendToNalUnit(dataArray, offset, limit);
@@ -198,9 +196,8 @@ public final class H265Reader implements ElementaryStreamReader {
 
   @RequiresNonNull({"output", "sampleReader"})
   private void endNalUnit(long position, int offset, int discardPadding, long pesTimeUs) {
-    if (hasOutputFormat) {
-      sampleReader.endNalUnit(position, offset);
-    } else {
+    sampleReader.endNalUnit(position, offset, hasOutputFormat);
+    if (!hasOutputFormat) {
       vps.endNalUnit(discardPadding);
       sps.endNalUnit(discardPadding);
       pps.endNalUnit(discardPadding);
@@ -454,7 +451,8 @@ public final class H265Reader implements ElementaryStreamReader {
       writingParameterSets = false;
     }
 
-    public void startNalUnit(long position, int offset, int nalUnitType, long pesTimeUs) {
+    public void startNalUnit(
+        long position, int offset, int nalUnitType, long pesTimeUs, boolean hasOutputFormat) {
       isFirstSlice = false;
       isFirstParameterSet = false;
       nalUnitTimeUs = pesTimeUs;
@@ -464,7 +462,9 @@ public final class H265Reader implements ElementaryStreamReader {
       if (nalUnitType >= VPS_NUT) {
         if (!writingParameterSets && readingSample) {
           // This is a non-VCL NAL unit, so flush the previous sample.
-          outputSample(offset);
+          if (hasOutputFormat) {
+            outputSample(offset);
+          }
           readingSample = false;
         }
         if (nalUnitType <= PPS_NUT) {
@@ -491,14 +491,14 @@ public final class H265Reader implements ElementaryStreamReader {
       }
     }
 
-    public void endNalUnit(long position, int offset) {
+    public void endNalUnit(long position, int offset, boolean hasOutputFormat) {
       if (writingParameterSets && isFirstSlice) {
         // This sample has parameter sets. Reset the key-frame flag based on the first slice.
         sampleIsKeyframe = nalUnitHasKeyframeData;
         writingParameterSets = false;
       } else if (isFirstParameterSet || isFirstSlice) {
         // This NAL unit is at the start of a new sample (access unit).
-        if (readingSample) {
+        if (hasOutputFormat && readingSample) {
           // Output the sample ending before this NAL unit.
           int nalUnitLength = (int) (position - nalUnitStartPosition);
           outputSample(offset + nalUnitLength);
diff --git a/library/extractor/src/test/java/com/google/android/exoplayer2/extractor/ts/TsExtractorTest.java b/library/extractor/src/test/java/com/google/android/exoplayer2/extractor/ts/TsExtractorTest.java
index 23f8e91009..d040c22286 100644
--- a/library/extractor/src/test/java/com/google/android/exoplayer2/extractor/ts/TsExtractorTest.java
+++ b/library/extractor/src/test/java/com/google/android/exoplayer2/extractor/ts/TsExtractorTest.java
@@ -54,6 +54,11 @@ public final class TsExtractorTest {
     ExtractorAsserts.assertBehavior(TsExtractor::new, "ts/sample_h264_mpeg_audio.ts");
   }
 
+  @Test
+  public void sampleWithH265() throws Exception {
+    ExtractorAsserts.assertBehavior(TsExtractor::new, "ts/sample_h265.ts");
+  }
+
   @Test
   @Ignore
   // TODO(internal: b/153539929) Re-enable when ExtractorAsserts is less strict around repeated
diff --git a/testdata/src/test/assets/ts/sample_h265.ts b/testdata/src/test/assets/ts/sample_h265.ts
new file mode 100644
index 0000000000000000000000000000000000000000..483010fd86545dfe17cfb02ff0114b00ca18329e
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literal 0
HcmV?d00001

diff --git a/testdata/src/test/assets/ts/sample_h265.ts.0.dump b/testdata/src/test/assets/ts/sample_h265.ts.0.dump
new file mode 100644
index 0000000000..1c06207b75
--- /dev/null
+++ b/testdata/src/test/assets/ts/sample_h265.ts.0.dump
@@ -0,0 +1,141 @@
+seekMap:
+  isSeekable = true
+  duration = 900000
+  getPosition(0) = [[timeUs=0, position=0]]
+  getPosition(1) = [[timeUs=1, position=0]]
+  getPosition(450000) = [[timeUs=450000, position=11421]]
+  getPosition(900000) = [[timeUs=900000, position=23030]]
+numberOfTracks = 2
+track 256:
+  total output bytes = 19364
+  sample count = 29
+  format 0:
+    id = 1/256
+    sampleMimeType = video/hevc
+    width = 854
+    height = 480
+    initializationData:
+      data = length 83, hash 7F428
+  sample 0:
+    time = 66666
+    flags = 1
+    data = length 2510, hash 796A98BE
+  sample 1:
+    time = 100000
+    flags = 0
+    data = length 1219, hash 131AA4E4
+  sample 2:
+    time = 266666
+    flags = 0
+    data = length 7810, hash 3F881DB9
+  sample 3:
+    time = 200000
+    flags = 0
+    data = length 2306, hash 9A77959C
+  sample 4:
+    time = 133333
+    flags = 0
+    data = length 1058, hash B887F7EF
+  sample 5:
+    time = 166666
+    flags = 0
+    data = length 98, hash D95BF6E3
+  sample 6:
+    time = 233333
+    flags = 0
+    data = length 61, hash 574C41C3
+  sample 7:
+    time = 433333
+    flags = 0
+    data = length 296, hash E92DB288
+  sample 8:
+    time = 366666
+    flags = 0
+    data = length 137, hash 586DADD6
+  sample 9:
+    time = 300000
+    flags = 0
+    data = length 218, hash 91E82C9F
+  sample 10:
+    time = 333333
+    flags = 0
+    data = length 177, hash 4A4FEEC0
+  sample 11:
+    time = 400000
+    flags = 0
+    data = length 82, hash 2E2ADD8
+  sample 12:
+    time = 533333
+    flags = 0
+    data = length 290, hash 63CF7D90
+  sample 13:
+    time = 500000
+    flags = 0
+    data = length 268, hash E8CBAC11
+  sample 14:
+    time = 466666
+    flags = 0
+    data = length 178, hash C5B1613E
+  sample 15:
+    time = 566666
+    flags = 0
+    data = length 271, hash 76652FC5
+  sample 16:
+    time = 733333
+    flags = 0
+    data = length 257, hash 960B5DF4
+  sample 17:
+    time = 666666
+    flags = 0
+    data = length 206, hash 87358D00
+  sample 18:
+    time = 600000
+    flags = 0
+    data = length 130, hash 4D7A038D
+  sample 19:
+    time = 633333
+    flags = 0
+    data = length 114, hash 2B3C616E
+  sample 20:
+    time = 700000
+    flags = 0
+    data = length 95, hash 37D79559
+  sample 21:
+    time = 900000
+    flags = 0
+    data = length 233, hash 80308C9E
+  sample 22:
+    time = 833333
+    flags = 0
+    data = length 203, hash E70BA5F2
+  sample 23:
+    time = 766666
+    flags = 0
+    data = length 95, hash BA6FA2D3
+  sample 24:
+    time = 800000
+    flags = 0
+    data = length 103, hash 51291041
+  sample 25:
+    time = 866666
+    flags = 0
+    data = length 111, hash EE9DCFC9
+  sample 26:
+    time = 1033333
+    flags = 0
+    data = length 253, hash D0CEFBA7
+  sample 27:
+    time = 966666
+    flags = 0
+    data = length 134, hash 8802EEF0
+  sample 28:
+    time = 933333
+    flags = 0
+    data = length 80, hash C635D9C2
+track 8448:
+  total output bytes = 0
+  sample count = 0
+  format 0:
+    id = 1/8448
+    sampleMimeType = application/cea-608
+tracksEnded = true
diff --git a/testdata/src/test/assets/ts/sample_h265.ts.1.dump b/testdata/src/test/assets/ts/sample_h265.ts.1.dump
new file mode 100644
index 0000000000..95d8d9b73d
--- /dev/null
+++ b/testdata/src/test/assets/ts/sample_h265.ts.1.dump
@@ -0,0 +1,105 @@
+seekMap:
+  isSeekable = true
+  duration = 900000
+  getPosition(0) = [[timeUs=0, position=0]]
+  getPosition(1) = [[timeUs=1, position=0]]
+  getPosition(450000) = [[timeUs=450000, position=11421]]
+  getPosition(900000) = [[timeUs=900000, position=23030]]
+numberOfTracks = 2
+track 256:
+  total output bytes = 3806
+  sample count = 20
+  format 0:
+    id = 1/256
+    sampleMimeType = video/hevc
+    width = 854
+    height = 480
+    initializationData:
+      data = length 83, hash 7F428
+  sample 0:
+    time = 300000
+    flags = 0
+    data = length 218, hash 91E82C9F
+  sample 1:
+    time = 333333
+    flags = 0
+    data = length 177, hash 4A4FEEC0
+  sample 2:
+    time = 400000
+    flags = 0
+    data = length 82, hash 2E2ADD8
+  sample 3:
+    time = 533333
+    flags = 0
+    data = length 290, hash 63CF7D90
+  sample 4:
+    time = 500000
+    flags = 0
+    data = length 268, hash E8CBAC11
+  sample 5:
+    time = 466666
+    flags = 0
+    data = length 178, hash C5B1613E
+  sample 6:
+    time = 566666
+    flags = 0
+    data = length 271, hash 76652FC5
+  sample 7:
+    time = 733333
+    flags = 0
+    data = length 257, hash 960B5DF4
+  sample 8:
+    time = 666666
+    flags = 0
+    data = length 206, hash 87358D00
+  sample 9:
+    time = 600000
+    flags = 0
+    data = length 130, hash 4D7A038D
+  sample 10:
+    time = 633333
+    flags = 0
+    data = length 114, hash 2B3C616E
+  sample 11:
+    time = 700000
+    flags = 0
+    data = length 95, hash 37D79559
+  sample 12:
+    time = 900000
+    flags = 0
+    data = length 233, hash 80308C9E
+  sample 13:
+    time = 833333
+    flags = 0
+    data = length 203, hash E70BA5F2
+  sample 14:
+    time = 766666
+    flags = 0
+    data = length 95, hash BA6FA2D3
+  sample 15:
+    time = 800000
+    flags = 0
+    data = length 103, hash 51291041
+  sample 16:
+    time = 866666
+    flags = 0
+    data = length 111, hash EE9DCFC9
+  sample 17:
+    time = 1033333
+    flags = 0
+    data = length 253, hash D0CEFBA7
+  sample 18:
+    time = 966666
+    flags = 0
+    data = length 134, hash 8802EEF0
+  sample 19:
+    time = 933333
+    flags = 0
+    data = length 80, hash C635D9C2
+track 8448:
+  total output bytes = 0
+  sample count = 0
+  format 0:
+    id = 1/8448
+    sampleMimeType = application/cea-608
+tracksEnded = true
diff --git a/testdata/src/test/assets/ts/sample_h265.ts.2.dump b/testdata/src/test/assets/ts/sample_h265.ts.2.dump
new file mode 100644
index 0000000000..9080f5c17f
--- /dev/null
+++ b/testdata/src/test/assets/ts/sample_h265.ts.2.dump
@@ -0,0 +1,69 @@
+seekMap:
+  isSeekable = true
+  duration = 900000
+  getPosition(0) = [[timeUs=0, position=0]]
+  getPosition(1) = [[timeUs=1, position=0]]
+  getPosition(450000) = [[timeUs=450000, position=11421]]
+  getPosition(900000) = [[timeUs=900000, position=23030]]
+numberOfTracks = 2
+track 256:
+  total output bytes = 1796
+  sample count = 11
+  format 0:
+    id = 1/256
+    sampleMimeType = video/hevc
+    width = 854
+    height = 480
+    initializationData:
+      data = length 83, hash 7F428
+  sample 0:
+    time = 600000
+    flags = 0
+    data = length 130, hash 4D7A038D
+  sample 1:
+    time = 633333
+    flags = 0
+    data = length 114, hash 2B3C616E
+  sample 2:
+    time = 700000
+    flags = 0
+    data = length 95, hash 37D79559
+  sample 3:
+    time = 900000
+    flags = 0
+    data = length 233, hash 80308C9E
+  sample 4:
+    time = 833333
+    flags = 0
+    data = length 203, hash E70BA5F2
+  sample 5:
+    time = 766666
+    flags = 0
+    data = length 95, hash BA6FA2D3
+  sample 6:
+    time = 800000
+    flags = 0
+    data = length 103, hash 51291041
+  sample 7:
+    time = 866666
+    flags = 0
+    data = length 111, hash EE9DCFC9
+  sample 8:
+    time = 1033333
+    flags = 0
+    data = length 253, hash D0CEFBA7
+  sample 9:
+    time = 966666
+    flags = 0
+    data = length 134, hash 8802EEF0
+  sample 10:
+    time = 933333
+    flags = 0
+    data = length 80, hash C635D9C2
+track 8448:
+  total output bytes = 0
+  sample count = 0
+  format 0:
+    id = 1/8448
+    sampleMimeType = application/cea-608
+tracksEnded = true
diff --git a/testdata/src/test/assets/ts/sample_h265.ts.3.dump b/testdata/src/test/assets/ts/sample_h265.ts.3.dump
new file mode 100644
index 0000000000..5fe7bcede4
--- /dev/null
+++ b/testdata/src/test/assets/ts/sample_h265.ts.3.dump
@@ -0,0 +1,33 @@
+seekMap:
+  isSeekable = true
+  duration = 900000
+  getPosition(0) = [[timeUs=0, position=0]]
+  getPosition(1) = [[timeUs=1, position=0]]
+  getPosition(450000) = [[timeUs=450000, position=11421]]
+  getPosition(900000) = [[timeUs=900000, position=23030]]
+numberOfTracks = 2
+track 256:
+  total output bytes = 396
+  sample count = 2
+  format 0:
+    id = 1/256
+    sampleMimeType = video/hevc
+    width = 854
+    height = 480
+    initializationData:
+      data = length 83, hash 7F428
+  sample 0:
+    time = 966666
+    flags = 0
+    data = length 134, hash 8802EEF0
+  sample 1:
+    time = 933333
+    flags = 0
+    data = length 80, hash C635D9C2
+track 8448:
+  total output bytes = 0
+  sample count = 0
+  format 0:
+    id = 1/8448
+    sampleMimeType = application/cea-608
+tracksEnded = true
diff --git a/testdata/src/test/assets/ts/sample_h265.ts.unknown_length.dump b/testdata/src/test/assets/ts/sample_h265.ts.unknown_length.dump
new file mode 100644
index 0000000000..733be6f01e
--- /dev/null
+++ b/testdata/src/test/assets/ts/sample_h265.ts.unknown_length.dump
@@ -0,0 +1,138 @@
+seekMap:
+  isSeekable = false
+  duration = UNSET TIME
+  getPosition(0) = [[timeUs=0, position=0]]
+numberOfTracks = 2
+track 256:
+  total output bytes = 19364
+  sample count = 29
+  format 0:
+    id = 1/256
+    sampleMimeType = video/hevc
+    width = 854
+    height = 480
+    initializationData:
+      data = length 83, hash 7F428
+  sample 0:
+    time = 66666
+    flags = 1
+    data = length 2510, hash 796A98BE
+  sample 1:
+    time = 100000
+    flags = 0
+    data = length 1219, hash 131AA4E4
+  sample 2:
+    time = 266666
+    flags = 0
+    data = length 7810, hash 3F881DB9
+  sample 3:
+    time = 200000
+    flags = 0
+    data = length 2306, hash 9A77959C
+  sample 4:
+    time = 133333
+    flags = 0
+    data = length 1058, hash B887F7EF
+  sample 5:
+    time = 166666
+    flags = 0
+    data = length 98, hash D95BF6E3
+  sample 6:
+    time = 233333
+    flags = 0
+    data = length 61, hash 574C41C3
+  sample 7:
+    time = 433333
+    flags = 0
+    data = length 296, hash E92DB288
+  sample 8:
+    time = 366666
+    flags = 0
+    data = length 137, hash 586DADD6
+  sample 9:
+    time = 300000
+    flags = 0
+    data = length 218, hash 91E82C9F
+  sample 10:
+    time = 333333
+    flags = 0
+    data = length 177, hash 4A4FEEC0
+  sample 11:
+    time = 400000
+    flags = 0
+    data = length 82, hash 2E2ADD8
+  sample 12:
+    time = 533333
+    flags = 0
+    data = length 290, hash 63CF7D90
+  sample 13:
+    time = 500000
+    flags = 0
+    data = length 268, hash E8CBAC11
+  sample 14:
+    time = 466666
+    flags = 0
+    data = length 178, hash C5B1613E
+  sample 15:
+    time = 566666
+    flags = 0
+    data = length 271, hash 76652FC5
+  sample 16:
+    time = 733333
+    flags = 0
+    data = length 257, hash 960B5DF4
+  sample 17:
+    time = 666666
+    flags = 0
+    data = length 206, hash 87358D00
+  sample 18:
+    time = 600000
+    flags = 0
+    data = length 130, hash 4D7A038D
+  sample 19:
+    time = 633333
+    flags = 0
+    data = length 114, hash 2B3C616E
+  sample 20:
+    time = 700000
+    flags = 0
+    data = length 95, hash 37D79559
+  sample 21:
+    time = 900000
+    flags = 0
+    data = length 233, hash 80308C9E
+  sample 22:
+    time = 833333
+    flags = 0
+    data = length 203, hash E70BA5F2
+  sample 23:
+    time = 766666
+    flags = 0
+    data = length 95, hash BA6FA2D3
+  sample 24:
+    time = 800000
+    flags = 0
+    data = length 103, hash 51291041
+  sample 25:
+    time = 866666
+    flags = 0
+    data = length 111, hash EE9DCFC9
+  sample 26:
+    time = 1033333
+    flags = 0
+    data = length 253, hash D0CEFBA7
+  sample 27:
+    time = 966666
+    flags = 0
+    data = length 134, hash 8802EEF0
+  sample 28:
+    time = 933333
+    flags = 0
+    data = length 80, hash C635D9C2
+track 8448:
+  total output bytes = 0
+  sample count = 0
+  format 0:
+    id = 1/8448
+    sampleMimeType = application/cea-608
+tracksEnded = true