Add support for AV1

Implemented per AV1 Codec ISO Media File Format Binding at
  https://aomediacodec.github.io/av1-isobmff/
And AOM AV1 codec mapping in Matroska/WebM at
  https://github.com/Matroska-Org/matroska-specification/blob/av1-mappin/codec/av1.md

Note that AV1 specific boxes are not supported in this CL, i.e.
AV1 Forward Key Frame sample group entry 'av1f', AV1 Multi-Frame
sample group entry 'av1m' etc are not supported. These boxes are optional.
We will add support later if they are useful to the clients / players.

Encryption is not supported yet.

Issue #453.

Change-Id: I630432d0a9bf82d263ffaf40e57f67fc65eee902

packager/app/test/packager_test.py

@@ -849,6 +849,33 @@ class PackagerFunctionalTest(PackagerAppTest):
         self._GetFlags(output_dash=True))
     self._CheckTestResults('vorbis-webm')
 
+  def testAv1Mp4(self):
+    self.assertPackageSuccess(
+        self._GetStreams(['video'],
+                         output_format='mp4',
+                         test_files=['bear-av1.mp4']),
+        self._GetFlags(output_dash=True, output_hls=True)
+    )
+    self._CheckTestResults('av1-mp4')
+
+  def testAv1Mp4ToWebM(self):
+    self.assertPackageSuccess(
+        self._GetStreams(['video'],
+                         output_format='webm',
+                         test_files=['bear-av1.mp4']),
+        self._GetFlags(output_dash=True, output_hls=True)
+    )
+    self._CheckTestResults('av1-mp4-to-webm')
+
+  def testAv1WebM(self):
+    self.assertPackageSuccess(
+        self._GetStreams(['video'],
+                         output_format='mp4',
+                         test_files=['bear-av1.webm']),
+        self._GetFlags(output_dash=True, output_hls=True)
+    )
+    self._CheckTestResults('av1-webm')
+
   def testEncryption(self):
     self.assertPackageSuccess(
         self._GetStreams(['audio', 'video']),

packager/app/test/testdata/av1-mp4-to-webm/output.m3u8

@@ -0,0 +1,5 @@
+#EXTM3U
+## Generated with https://github.com/google/shaka-packager version <tag>-<hash>-<test>
+
+#EXT-X-STREAM-INF:BANDWIDTH=69160,AVERAGE-BANDWIDTH=69160,CODECS="av01.0.00M.08.0.110",RESOLUTION=320x240
+stream_0.m3u8

packager/app/test/testdata/av1-mp4-to-webm/output.mpd

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--Generated with https://github.com/google/shaka-packager version <tag>-<hash>-<test>-->
+<MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xlink="http://www.w3.org/1999/xlink" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd" xmlns:cenc="urn:mpeg:cenc:2013" profiles="urn:mpeg:dash:profile:isoff-on-demand:2011" minBufferTime="PT2S" type="static" mediaPresentationDuration="PT2.7360665798187256S">
+  <Period id="0">
+    <AdaptationSet id="0" contentType="video" width="320" height="240" frameRate="30000/1001" subsegmentAlignment="true" par="4:3">
+      <Representation id="0" bandwidth="69160" codecs="av01.0.00M.08.0.110" mimeType="video/webm" sar="1:1">
+        <BaseURL>bear-av1-video.webm</BaseURL>
+        <SegmentBase indexRange="314-332" timescale="30000">
+          <Initialization range="0-313"/>
+        </SegmentBase>
+      </Representation>
+    </AdaptationSet>
+  </Period>
+</MPD>

packager/app/test/testdata/av1-mp4-to-webm/stream_0.m3u8

@@ -0,0 +1,10 @@
+#EXTM3U
+#EXT-X-VERSION:6
+## Generated with https://github.com/google/shaka-packager version <tag>-<hash>-<test>
+#EXT-X-TARGETDURATION:3
+#EXT-X-PLAYLIST-TYPE:VOD
+#EXT-X-MAP:URI="bear-av1-video.webm",BYTERANGE="314@0"
+#EXTINF:2.736,
+#EXT-X-BYTERANGE:23653@333
+bear-av1-video.webm
+#EXT-X-ENDLIST

packager/app/test/testdata/av1-mp4/output.m3u8

@@ -0,0 +1,5 @@
+#EXTM3U
+## Generated with https://github.com/google/shaka-packager version <tag>-<hash>-<test>
+
+#EXT-X-STREAM-INF:BANDWIDTH=69777,AVERAGE-BANDWIDTH=69777,CODECS="av01.0.00M.08.0.110",RESOLUTION=320x240
+stream_0.m3u8

packager/app/test/testdata/av1-mp4/output.mpd

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--Generated with https://github.com/google/shaka-packager version <tag>-<hash>-<test>-->
+<MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xlink="http://www.w3.org/1999/xlink" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd" xmlns:cenc="urn:mpeg:cenc:2013" profiles="urn:mpeg:dash:profile:isoff-on-demand:2011" minBufferTime="PT2S" type="static" mediaPresentationDuration="PT2.7360665798187256S">
+  <Period id="0">
+    <AdaptationSet id="0" contentType="video" width="320" height="240" frameRate="30000/1001" subsegmentAlignment="true" par="4:3">
+      <Representation id="0" bandwidth="69777" codecs="av01.0.00M.08.0.110" mimeType="video/mp4" sar="1:1">
+        <BaseURL>bear-av1-video.mp4</BaseURL>
+        <SegmentBase indexRange="798-841" timescale="30000">
+          <Initialization range="0-797"/>
+        </SegmentBase>
+      </Representation>
+    </AdaptationSet>
+  </Period>
+</MPD>

packager/app/test/testdata/av1-mp4/stream_0.m3u8

@@ -0,0 +1,10 @@
+#EXTM3U
+#EXT-X-VERSION:6
+## Generated with https://github.com/google/shaka-packager version <tag>-<hash>-<test>
+#EXT-X-TARGETDURATION:3
+#EXT-X-PLAYLIST-TYPE:VOD
+#EXT-X-MAP:URI="bear-av1-video.mp4",BYTERANGE="798@0"
+#EXTINF:2.736,
+#EXT-X-BYTERANGE:23864@842
+bear-av1-video.mp4
+#EXT-X-ENDLIST

packager/app/test/testdata/av1-webm/output.m3u8

@@ -0,0 +1,5 @@
+#EXTM3U
+## Generated with https://github.com/google/shaka-packager version <tag>-<hash>-<test>
+
+#EXT-X-STREAM-INF:BANDWIDTH=70752,AVERAGE-BANDWIDTH=70752,CODECS="av01.0.00M.08.0.110",RESOLUTION=320x240
+stream_0.m3u8

packager/app/test/testdata/av1-webm/output.mpd

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--Generated with https://github.com/google/shaka-packager version <tag>-<hash>-<test>-->
+<MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xlink="http://www.w3.org/1999/xlink" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd" xmlns:cenc="urn:mpeg:cenc:2013" profiles="urn:mpeg:dash:profile:isoff-on-demand:2011" minBufferTime="PT2S" type="static" mediaPresentationDuration="PT2.734999895095825S">
+  <Period id="0">
+    <AdaptationSet id="0" contentType="video" width="320" height="240" frameRate="1000000/33000" subsegmentAlignment="true" par="4:3">
+      <Representation id="0" bandwidth="70752" codecs="av01.0.00M.08.0.110" mimeType="video/mp4" sar="1:1">
+        <BaseURL>bear-av1-video.mp4</BaseURL>
+        <SegmentBase indexRange="798-841" timescale="1000000">
+          <Initialization range="0-797"/>
+        </SegmentBase>
+      </Representation>
+    </AdaptationSet>
+  </Period>
+</MPD>

packager/app/test/testdata/av1-webm/stream_0.m3u8

@@ -0,0 +1,10 @@
+#EXTM3U
+#EXT-X-VERSION:6
+## Generated with https://github.com/google/shaka-packager version <tag>-<hash>-<test>
+#EXT-X-TARGETDURATION:3
+#EXT-X-PLAYLIST-TYPE:VOD
+#EXT-X-MAP:URI="bear-av1-video.mp4",BYTERANGE="798@0"
+#EXTINF:2.735,
+#EXT-X-BYTERANGE:24188@842
+bear-av1-video.mp4
+#EXT-X-ENDLIST

packager/media/base/fourccs.h

@@ -22,6 +22,8 @@ enum FourCC : uint32_t {
   FOURCC_ac_3 = 0x61632d33,  // "ac-3"
   FOURCC_ac3d = 0x61633364,
   FOURCC_apad = 0x61706164,
+  FOURCC_av01 = 0x61763031,
+  FOURCC_av1C = 0x61763143,
   FOURCC_avc1 = 0x61766331,
   FOURCC_avc3 = 0x61766333,
   FOURCC_avcC = 0x61766343,
@@ -139,7 +141,6 @@ enum FourCC : uint32_t {
   FOURCC_vmhd = 0x766d6864,
   FOURCC_vp08 = 0x76703038,
   FOURCC_vp09 = 0x76703039,
-  FOURCC_vp10 = 0x76703130,
   FOURCC_vpcC = 0x76706343,
   FOURCC_vsid = 0x76736964,
   FOURCC_vttC = 0x76747443,

packager/media/base/stream_info.h

@@ -29,11 +29,11 @@ enum Codec {
   kUnknownCodec = 0,
 
   kCodecVideo = 100,
-  kCodecH264 = kCodecVideo,
+  kCodecAV1 = kCodecVideo,
+  kCodecH264,
   kCodecH265,
   kCodecVP8,
   kCodecVP9,
-  kCodecVP10,
   kCodecVideoMaxPlusOne,
 
   kCodecAudio = 200,

packager/media/base/video_stream_info.cc

@@ -18,6 +18,8 @@ namespace media {
 namespace {
 std::string VideoCodecToString(Codec codec) {
   switch (codec) {
+    case kCodecAV1:
+      return "AV1";
     case kCodecH264:
       return "H264";
     case kCodecH265:
@@ -26,8 +28,6 @@ std::string VideoCodecToString(Codec codec) {
       return "VP8";
     case kCodecVP9:
       return "VP9";
-    case kCodecVP10:
-      return "VP10";
     default:
       NOTIMPLEMENTED() << "Unknown Video Codec: " << codec;
       return "UnknownCodec";

packager/media/codecs/av1_codec_configuration_record.cc

@@ -0,0 +1,90 @@
+// Copyright 2018 Google LLC. All rights reserved.
+//
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file or at
+// https://developers.google.com/open-source/licenses/bsd
+
+#include "packager/media/codecs/av1_codec_configuration_record.h"
+
+#include "packager/base/strings/stringprintf.h"
+#include "packager/media/base/bit_reader.h"
+#include "packager/media/base/rcheck.h"
+
+namespace shaka {
+namespace media {
+
+AV1CodecConfigurationRecord::AV1CodecConfigurationRecord() = default;
+
+AV1CodecConfigurationRecord::~AV1CodecConfigurationRecord() = default;
+
+// https://aomediacodec.github.io/av1-isobmff/#av1codecconfigurationbox-section
+// aligned (8) class AV1CodecConfigurationRecord {
+//   unsigned int (1) marker = 1;
+//   unsigned int (7) version = 1;
+//   unsigned int (3) seq_profile;
+//   unsigned int (5) seq_level_idx_0;
+//   unsigned int (1) seq_tier_0;
+//   unsigned int (1) high_bitdepth;
+//   unsigned int (1) twelve_bit;
+//   unsigned int (1) monochrome;
+//   unsigned int (1) chroma_subsampling_x;
+//   unsigned int (1) chroma_subsampling_y;
+//   unsigned int (2) chroma_sample_position;
+//   unsigned int (3) reserved = 0;
+//
+//   unsigned int (1) initial_presentation_delay_present;
+//   if (initial_presentation_delay_present) {
+//     unsigned int (4) initial_presentation_delay_minus_one;
+//   } else {
+//     unsigned int (4) reserved = 0;
+//   }
+//
+//   unsigned int (8)[] configOBUs;
+// }
+bool AV1CodecConfigurationRecord::Parse(const uint8_t* data, size_t data_size) {
+  RCHECK(data_size > 0);
+
+  BitReader reader(data, data_size);
+
+  int marker;
+  RCHECK(reader.ReadBits(1, &marker));
+  RCHECK(marker == 1);
+
+  int version;
+  RCHECK(reader.ReadBits(7, &version));
+  RCHECK(version == 1);
+
+  RCHECK(reader.ReadBits(3, &profile_));
+  RCHECK(reader.ReadBits(5, &level_));
+  RCHECK(reader.ReadBits(1, &tier_));
+
+  int high_bitdepth;
+  int twelve_bit;
+  RCHECK(reader.ReadBits(1, &high_bitdepth));
+  RCHECK(reader.ReadBits(1, &twelve_bit));
+  bit_depth_ = twelve_bit ? 12 : (high_bitdepth ? 10 : 8);
+
+  RCHECK(reader.ReadBits(1, &mono_chrome_));
+  RCHECK(reader.ReadBits(1, &chroma_subsampling_x_));
+  RCHECK(reader.ReadBits(1, &chroma_subsampling_y_));
+  RCHECK(reader.ReadBits(2, &chroma_sample_position_));
+
+  // Skip other fields (e.g. initial_presentation_delay) which we do not need.
+  return true;
+}
+
+// https://aomediacodec.github.io/av1-isobmff/#codecsparam
+//   <sample entry 4CC>.<profile>.<level><tier>.<bitDepth>.<monochrome>.
+//   <chromaSubsampling>.<colorPrimaries>.<transferCharacteristics>.
+//   <matrixCoefficients>.<videoFullRangeFlag>
+// The parameters starting from colorPrimaries are omitted as they are not
+// present in AV1 Codec Configuration Record and they are optional.
+std::string AV1CodecConfigurationRecord::GetCodecString() const {
+  return base::StringPrintf("av01.%d.%02d%c.%02d.%d.%d%d%d", profile_, level_,
+                            tier_ ? 'H' : 'M', bit_depth_, mono_chrome_,
+                            chroma_subsampling_x_, chroma_subsampling_y_,
+                            chroma_sample_position_);
+}
+
+}  // namespace media
+}  // namespace shaka

packager/media/codecs/av1_codec_configuration_record.h

@@ -0,0 +1,54 @@
+// Copyright 2018 Google LLC. All rights reserved.
+//
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file or at
+// https://developers.google.com/open-source/licenses/bsd
+
+#ifndef PACKAGER_MEDIA_CODECS_AV1_CODEC_CONFIGURATION_RECORD_H_
+#define PACKAGER_MEDIA_CODECS_AV1_CODEC_CONFIGURATION_RECORD_H_
+
+#include <stdint.h>
+#include <string>
+#include <vector>
+
+namespace shaka {
+namespace media {
+
+/// Class for parsing AV1 codec configuration record.
+class AV1CodecConfigurationRecord {
+ public:
+  AV1CodecConfigurationRecord();
+  ~AV1CodecConfigurationRecord();
+
+  /// Parses input to extract codec configuration record.
+  /// @return false if there are parsing errors.
+  bool Parse(const std::vector<uint8_t>& data) {
+    return Parse(data.data(), data.size());
+  }
+
+  /// Parses input to extract decoder configuration record.
+  /// @return false if there are parsing errors.
+  bool Parse(const uint8_t* data, size_t data_size);
+
+  /// @return The codec string.
+  std::string GetCodecString() const;
+
+ private:
+  int profile_ = 0;
+  int level_ = 0;
+  int tier_ = 0;
+  int bit_depth_ = 0;
+  int mono_chrome_ = 0;
+  int chroma_subsampling_x_ = 0;
+  int chroma_subsampling_y_ = 0;
+  int chroma_sample_position_ = 0;
+
+  // Not using DISALLOW_COPY_AND_ASSIGN here intentionally to allow the compiler
+  // generated copy constructor and assignment operator. Since the internal data
+  // is small, the performance impact is minimal.
+};
+
+}  // namespace media
+}  // namespace shaka
+
+#endif  // PACKAGER_MEDIA_CODECS_AV1_CODEC_CONFIGURATION_RECORD_H_

packager/media/codecs/av1_codec_configuration_record_unittest.cc

@@ -0,0 +1,91 @@
+// Copyright 2018 Google LLC. All rights reserved.
+//
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file or at
+// https://developers.google.com/open-source/licenses/bsd
+
+#include "packager/media/codecs/av1_codec_configuration_record.h"
+
+#include <gtest/gtest.h>
+
+namespace shaka {
+namespace media {
+
+TEST(AV1CodecConfigurationRecordTest, Success) {
+  const uint8_t kAV1CodecConfigurationData[] = {
+      0x81,  // mark bit and version
+      0x04,  // profile = 0, level = 4
+      0x4E,  // tier = 0, bit_depth = 10, mono_chrome = 0
+             // chroma_subsampling_x = 1, chroma_subsampling_y = 1,
+             // chroma_sample_position = 2
+      // We do not care about other data.
+      0x00,
+  };
+
+  AV1CodecConfigurationRecord av1_config;
+  ASSERT_TRUE(av1_config.Parse(
+      std::vector<uint8_t>(std::begin(kAV1CodecConfigurationData),
+                           std::end(kAV1CodecConfigurationData))));
+
+  EXPECT_EQ(av1_config.GetCodecString(), "av01.0.04M.10.0.112");
+}
+
+TEST(AV1CodecConfigurationRecordTest, Success2) {
+  const uint8_t kAV1CodecConfigurationData[] = {
+      0x81,  // mark bit and version
+      0x35,  // profile = 1, level = 15
+      0xF4,  // tier = 1, bit_depth = 12, mono_chrome = 1
+             // chroma_subsampling_x = 0, chroma_subsampling_y = 1,
+             // chroma_sample_position = 0
+      // We do not care about other data.
+      0x00,
+  };
+
+  AV1CodecConfigurationRecord av1_config;
+  ASSERT_TRUE(av1_config.Parse(
+      std::vector<uint8_t>(std::begin(kAV1CodecConfigurationData),
+                           std::end(kAV1CodecConfigurationData))));
+
+  EXPECT_EQ(av1_config.GetCodecString(), "av01.1.21H.12.1.010");
+}
+
+TEST(AV1CodecConfigurationRecordTest, InsufficientData) {
+  const uint8_t kAV1CodecConfigurationData[] = {
+      0x81,
+      0x04,
+  };
+
+  AV1CodecConfigurationRecord av1_config;
+  ASSERT_FALSE(av1_config.Parse(
+      std::vector<uint8_t>(std::begin(kAV1CodecConfigurationData),
+                           std::end(kAV1CodecConfigurationData))));
+}
+
+TEST(AV1CodecConfigurationRecordTest, IncorrectMarkerBit) {
+  const uint8_t kAV1CodecConfigurationData[] = {
+      0x01,
+      0x04,
+      0x4E,
+  };
+
+  AV1CodecConfigurationRecord av1_config;
+  ASSERT_FALSE(av1_config.Parse(
+      std::vector<uint8_t>(std::begin(kAV1CodecConfigurationData),
+                           std::end(kAV1CodecConfigurationData))));
+}
+
+TEST(AV1CodecConfigurationRecordTest, IncorrectVersion) {
+  const uint8_t kAV1CodecConfigurationData[] = {
+      0x82,
+      0x04,
+      0x4E,
+  };
+
+  AV1CodecConfigurationRecord av1_config;
+  ASSERT_FALSE(av1_config.Parse(
+      std::vector<uint8_t>(std::begin(kAV1CodecConfigurationData),
+                           std::end(kAV1CodecConfigurationData))));
+}
+
+}  // namespace media
+}  // namespace shaka

packager/media/codecs/codecs.gyp

@@ -17,6 +17,8 @@
         'aac_audio_specific_config.h',
         'ac3_audio_util.cc',
         'ac3_audio_util.h',
+        'av1_codec_configuration_record.cc',
+        'av1_codec_configuration_record.h',
         'avc_decoder_configuration_record.cc',
         'avc_decoder_configuration_record.h',
         'decoder_configuration_record.cc',
@@ -66,6 +68,7 @@
       'sources': [
         'aac_audio_specific_config_unittest.cc',
         'ac3_audio_util_unittest.cc',
+        'av1_codec_configuration_record_unittest.cc',
         'avc_decoder_configuration_record_unittest.cc',
         'ec3_audio_util_unittest.cc',
         'es_descriptor_unittest.cc',

packager/media/codecs/vp_codec_configuration_record.cc

@@ -30,8 +30,6 @@ std::string VPCodecAsString(Codec codec) {
       return "vp08";
     case kCodecVP9:
       return "vp09";
-    case kCodecVP10:
-      return "vp10";
     default:
       LOG(WARNING) << "Unknown VP codec: " << codec;
       return std::string();

packager/media/formats/mp4/box_definitions.cc

@@ -34,6 +34,7 @@ const uint16_t kVideoFrameCount = 1;
 const uint16_t kVideoDepth = 0x0018;
 
 const uint32_t kCompressorNameSize = 32u;
+const char kAv1CompressorName[] = "\012AOM Coding";
 const char kAvcCompressorName[] = "\012AVC Coding";
 const char kHevcCompressorName[] = "\013HEVC Coding";
 const char kVpcCompressorName[] = "\012VPC Coding";
@@ -1478,24 +1479,24 @@ bool VideoSampleEntry::ReadWriteInternal(BoxBuffer* buffer) {
 
     const FourCC actual_format = GetActualFormat();
     switch (actual_format) {
+      case FOURCC_av01:
+        compressor_name.assign(std::begin(kAv1CompressorName),
+                               std::end(kAv1CompressorName));
+        break;
       case FOURCC_avc1:
       case FOURCC_avc3:
-        compressor_name.assign(
+        compressor_name.assign(std::begin(kAvcCompressorName),
-            kAvcCompressorName,
+                               std::end(kAvcCompressorName));
-            kAvcCompressorName + arraysize(kAvcCompressorName));
         break;
       case FOURCC_hev1:
       case FOURCC_hvc1:
-        compressor_name.assign(
+        compressor_name.assign(std::begin(kHevcCompressorName),
-            kHevcCompressorName,
+                               std::end(kHevcCompressorName));
-            kHevcCompressorName + arraysize(kHevcCompressorName));
         break;
       case FOURCC_vp08:
       case FOURCC_vp09:
-      case FOURCC_vp10:
+        compressor_name.assign(std::begin(kVpcCompressorName),
-        compressor_name.assign(
+                               std::end(kVpcCompressorName));
-            kVpcCompressorName,
-            kVpcCompressorName + arraysize(kVpcCompressorName));
         break;
       default:
         LOG(ERROR) << FourCCToString(actual_format) << " is not supported.";
@@ -1571,6 +1572,8 @@ size_t VideoSampleEntry::ComputeSizeInternal() {
 
 FourCC VideoSampleEntry::GetCodecConfigurationBoxType(FourCC format) const {
   switch (format) {
+    case FOURCC_av01:
+      return FOURCC_av1C;
     case FOURCC_avc1:
     case FOURCC_avc3:
       return FOURCC_avcC;
@@ -1579,7 +1582,6 @@ FourCC VideoSampleEntry::GetCodecConfigurationBoxType(FourCC format) const {
       return FOURCC_hvcC;
     case FOURCC_vp08:
     case FOURCC_vp09:
-    case FOURCC_vp10:
       return FOURCC_vpcC;
     default:
       LOG(ERROR) << FourCCToString(format) << " is not supported.";

packager/media/formats/mp4/mp4_media_parser.cc

@@ -22,6 +22,7 @@
 #include "packager/media/base/rcheck.h"
 #include "packager/media/base/video_stream_info.h"
 #include "packager/media/codecs/ac3_audio_util.h"
+#include "packager/media/codecs/av1_codec_configuration_record.h"
 #include "packager/media/codecs/avc_decoder_configuration_record.h"
 #include "packager/media/codecs/ec3_audio_util.h"
 #include "packager/media/codecs/es_descriptor.h"
@@ -59,6 +60,8 @@ H26xStreamFormat GetH26xStreamFormat(FourCC fourcc) {
 
 Codec FourCCToCodec(FourCC fourcc) {
   switch (fourcc) {
+    case FOURCC_av01:
+      return kCodecAV1;
     case FOURCC_avc1:
     case FOURCC_avc3:
       return kCodecH264;
@@ -69,8 +72,6 @@ Codec FourCCToCodec(FourCC fourcc) {
       return kCodecVP8;
     case FOURCC_vp09:
       return kCodecVP9;
-    case FOURCC_vp10:
-      return kCodecVP10;
     case FOURCC_Opus:
       return kCodecOpus;
     case FOURCC_dtsc:
@@ -518,6 +519,15 @@ bool MP4MediaParser::ParseMoov(BoxReader* reader) {
       const FourCC actual_format = entry.GetActualFormat();
       const Codec video_codec = FourCCToCodec(actual_format);
       switch (actual_format) {
+        case FOURCC_av01: {
+          AV1CodecConfigurationRecord av1_config;
+          if (!av1_config.Parse(entry.codec_configuration.data)) {
+            LOG(ERROR) << "Failed to parse av1c.";
+            return false;
+          }
+          codec_string = av1_config.GetCodecString();
+          break;
+        }
         case FOURCC_avc1:
         case FOURCC_avc3: {
           AVCDecoderConfigurationRecord avc_config;
@@ -567,8 +577,7 @@ bool MP4MediaParser::ParseMoov(BoxReader* reader) {
           break;
         }
         case FOURCC_vp08:
-        case FOURCC_vp09:
+        case FOURCC_vp09: {
-        case FOURCC_vp10: {
           VPCodecConfigurationRecord vp_config;
           if (!vp_config.ParseMP4(entry.codec_configuration.data)) {
             LOG(ERROR) << "Failed to parse vpcc.";

packager/media/formats/mp4/mp4_muxer.cc

@@ -44,6 +44,8 @@ void SetStartAndEndFromOffsetAndSize(size_t offset,
 
 FourCC CodecToFourCC(Codec codec, H26xStreamFormat h26x_stream_format) {
   switch (codec) {
+    case kCodecAV1:
+      return FOURCC_av01;
     case kCodecH264:
       return h26x_stream_format ==
                      H26xStreamFormat::kNalUnitStreamWithParameterSetNalus
@@ -58,8 +60,6 @@ FourCC CodecToFourCC(Codec codec, H26xStreamFormat h26x_stream_format) {
       return FOURCC_vp08;
     case kCodecVP9:
       return FOURCC_vp09;
-    case kCodecVP10:
-      return FOURCC_vp10;
     case kCodecAAC:
       return FOURCC_mp4a;
     case kCodecAC3:

packager/media/formats/webm/segmenter.cc

@@ -284,10 +284,17 @@ void Segmenter::UpdateProgress(uint64_t progress) {
 
 Status Segmenter::InitializeVideoTrack(const VideoStreamInfo& info,
                                        VideoTrack* track) {
-  if (info.codec() == kCodecVP8) {
+  if (info.codec() == kCodecAV1) {
-    track->set_codec_id(mkvmuxer::Tracks::kVp8CodecId);
+    track->set_codec_id("V_AV1");
+    if (!track->SetCodecPrivate(info.codec_config().data(),
+                                info.codec_config().size())) {
+      return Status(error::INTERNAL_ERROR,
+                    "Private codec data required for AV1 streams");
+    }
+  } else if (info.codec() == kCodecVP8) {
+    track->set_codec_id("V_VP8");
   } else if (info.codec() == kCodecVP9) {
-    track->set_codec_id(mkvmuxer::Tracks::kVp9CodecId);
+    track->set_codec_id("V_VP9");
 
     // The |StreamInfo::codec_config| field is stored using the MP4 format; we
     // need to convert it to the WebM format.
@@ -319,9 +326,9 @@ Status Segmenter::InitializeVideoTrack(const VideoStreamInfo& info,
                     "Private codec data required for VPx streams");
     }
   } else {
-    LOG(ERROR) << "Only VP8 and VP9 video codecs are supported in WebM.";
+    LOG(ERROR) << "Only VP8, VP9 and AV1 video codecs are supported in WebM.";
     return Status(error::UNIMPLEMENTED,
-                  "Only VP8 and VP9 video codecs are supported in WebM.");
+                  "Only VP8, VP9 and AV1 video codecs are supported in WebM.");
   }
 
   track->set_uid(info.track_id());

packager/media/formats/webm/webm_cluster_parser.cc

@@ -433,6 +433,10 @@ bool WebMClusterParser::OnBlock(bool is_simple_block,
       streams.push_back(audio_stream_info_);
     if (video_stream_info_) {
       if (stream_type == kStreamVideo) {
+        // Setup codec string and codec config for VP8 and VP9.
+        // Codec config for AV1 is already retrieved from WebM CodecPrivate
+        // instead of extracted from the bit stream.
+        if (video_stream_info_->codec() != kCodecAV1) {
           std::unique_ptr<VPxParser> vpx_parser;
           switch (video_stream_info_->codec()) {
             case kCodecVP8:
@@ -442,8 +446,8 @@ bool WebMClusterParser::OnBlock(bool is_simple_block,
               vpx_parser.reset(new VP9Parser);
               break;
             default:
-            NOTIMPLEMENTED() << "Unsupported codec "
+              NOTIMPLEMENTED()
-                             << video_stream_info_->codec();
+                  << "Unsupported codec " << video_stream_info_->codec();
               return false;
           }
           std::vector<VPxFrameInfo> vpx_frames;
@@ -463,6 +467,8 @@ bool WebMClusterParser::OnBlock(bool is_simple_block,
           std::vector<uint8_t> config_serialized;
           vp_config_.WriteMP4(&config_serialized);
           video_stream_info_->set_codec_config(config_serialized);
+        }
+
         streams.push_back(video_stream_info_);
         init_cb_.Run(streams);
         initialized_ = true;

packager/media/formats/webm/webm_tracks_parser.cc

@@ -223,10 +223,14 @@ bool WebMTracksParser::OnListEnd(int id) {
         }
         video_default_duration_ = default_duration_;
 
-        DCHECK(!video_stream_info_);
+        // |vp_config_| is only useful for VP8 and VP9.
+        if (codec_id_ == "V_VP8" || codec_id_ == "V_VP9")
           vp_config_ = video_client_.GetVpCodecConfig(codec_private_);
+
+        DCHECK(!video_stream_info_);
         video_stream_info_ = video_client_.GetVideoStreamInfo(
-            video_track_num_, codec_id_, !video_encryption_key_id_.empty());
+            video_track_num_, codec_id_, codec_private_,
+            !video_encryption_key_id_.empty());
         if (!video_stream_info_)
           return false;
       } else {

packager/media/formats/webm/webm_video_client.cc

@@ -5,6 +5,7 @@
 #include "packager/media/formats/webm/webm_video_client.h"
 
 #include "packager/base/logging.h"
+#include "packager/media/codecs/av1_codec_configuration_record.h"
 #include "packager/media/codecs/vp_codec_configuration_record.h"
 #include "packager/media/formats/webm/webm_constants.h"
 
@@ -57,24 +58,34 @@ void WebMVideoClient::Reset() {
 std::shared_ptr<VideoStreamInfo> WebMVideoClient::GetVideoStreamInfo(
     int64_t track_num,
     const std::string& codec_id,
+    const std::vector<uint8_t>& codec_private,
     bool is_encrypted) {
+  std::string codec_string;
   Codec video_codec = kUnknownCodec;
-  if (codec_id == "V_VP8") {
+  if (codec_id == "V_AV1") {
+    video_codec = kCodecAV1;
+
+    // CodecPrivate is mandatory per AV in Matroska / WebM specification.
+    // https://github.com/Matroska-Org/matroska-specification/blob/av1-mappin/codec/av1.md#codecprivate-1
+    AV1CodecConfigurationRecord av1_config;
+    if (!av1_config.Parse(codec_private)) {
+      LOG(ERROR) << "Failed to parse AV1 codec_private.";
+      return nullptr;
+    }
+    codec_string = av1_config.GetCodecString();
+  } else if (codec_id == "V_VP8") {
     video_codec = kCodecVP8;
+    // codec_string for VP8 is parsed later.
   } else if (codec_id == "V_VP9") {
     video_codec = kCodecVP9;
-    // The codec private data is in WebM format, but needs to be converted to
+    // codec_string for VP9 is parsed later.
-    // MP4 format.  Don't do it yet, it will be handled in
-    // webm_cluster_parser.cc
-  } else if (codec_id == "V_VP10") {
-    video_codec = kCodecVP10;
   } else {
     LOG(ERROR) << "Unsupported video codec_id " << codec_id;
-    return std::shared_ptr<VideoStreamInfo>();
+    return nullptr;
   }
 
   if (pixel_width_ <= 0 || pixel_height_ <= 0)
-    return std::shared_ptr<VideoStreamInfo>();
+    return nullptr;
 
   // Set crop and display unit defaults if these elements are not present.
   if (crop_bottom_ == -1)
@@ -102,10 +113,10 @@ std::shared_ptr<VideoStreamInfo> WebMVideoClient::GetVideoStreamInfo(
       display_height_ = height_after_crop;
   } else if (display_unit_ == 3) {
     if (display_width_ <= 0 || display_height_ <= 0)
-      return std::shared_ptr<VideoStreamInfo>();
+      return nullptr;
   } else {
     LOG(ERROR) << "Unsupported display unit type " << display_unit_;
-    return std::shared_ptr<VideoStreamInfo>();
+    return nullptr;
   }
   // Calculate sample aspect ratio.
   int64_t sar_x = display_width_ * height_after_crop;
@@ -114,10 +125,14 @@ std::shared_ptr<VideoStreamInfo> WebMVideoClient::GetVideoStreamInfo(
   sar_x /= gcd;
   sar_y /= gcd;
 
+  // |codec_private| may be overriden later for some codecs, e.g. VP9 since for
+  // VP9, the format for MP4 and WebM are different; MP4 format is used as the
+  // intermediate format.
   return std::make_shared<VideoStreamInfo>(
       track_num, kWebMTimeScale, 0, video_codec, H26xStreamFormat::kUnSpecified,
-      std::string(), nullptr, 0, width_after_crop, height_after_crop, sar_x,
+      codec_string, codec_private.data(), codec_private.size(),
-      sar_y, 0, 0, std::string(), is_encrypted);
+      width_after_crop, height_after_crop, sar_x, sar_y, 0, 0, std::string(),
+      is_encrypted);
 }
 
 VPCodecConfigurationRecord WebMVideoClient::GetVpCodecConfig(

packager/media/formats/webm/webm_video_client.h

@@ -27,14 +27,15 @@ class WebMVideoClient : public WebMParserClient {
   void Reset();
 
   /// Create a VideoStreamInfo with the data in |track_num|, |codec_id|,
-  /// |is_encrypted| and the fields parsed from the last video track element
+  /// |codec_private|, |is_encrypted| and the fields parsed from the last video
-  /// this object was used to parse.
+  /// track element this object was used to parse.
   /// @return A VideoStreamInfo if successful.
   /// @return An empty pointer if there was unexpected values in the
   ///         provided parameters or video track element fields.
   std::shared_ptr<VideoStreamInfo> GetVideoStreamInfo(
       int64_t track_num,
       const std::string& codec_id,
+      const std::vector<uint8_t>& codec_private,
       bool is_encrypted);
 
   /// Extracts VPCodecConfigurationRecord parsed from codec private data and