parse primaries and matrix coefficients and include them in the MPD f…

…or DASH --------- Co-authored-by: Xingzhao Yun <xyun@dolby.com>
shaka-project · May 9, 2024 · c64c7c3 · c64c7c3
1 parent 7a1c990
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diff --git a/packager/app/test/testdata/dolby-vision-profile-10-supplemental-codecs/output.mpd b/packager/app/test/testdata/dolby-vision-profile-10-supplemental-codecs/output.mpd
@@ -3,6 +3,8 @@
 <MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd" xmlns:scte214="urn:scte:dash:scte214-extensions" profiles="urn:mpeg:dash:profile:isoff-on-demand:2011" minBufferTime="PT2S" type="static" mediaPresentationDuration="PT6.022683S">
   <Period id="0">
     <AdaptationSet id="0" contentType="video" width="640" height="360" frameRate="60000/1001" subsegmentAlignment="true" par="16:9">
+      <SupplementalProperty schemeIdUri="urn:mpeg:mpegB:cicp:MatrixCoefficients" value="9"/>
+      <SupplementalProperty schemeIdUri="urn:mpeg:mpegB:cicp:ColourPrimaries" value="9"/>
       <SupplementalProperty schemeIdUri="urn:mpeg:mpegB:cicp:TransferCharacteristics" value="16"/>
       <Representation id="0" bandwidth="550702" codecs="av01.0.04M.10.0.111.09.16.09.0" mimeType="video/mp4" scte214:supplementalCodecs="dav1.10.01" scte214:supplementalProfiles="db1p" sar="1:1">
         <BaseURL>sparks_dovi_10-video.mp4</BaseURL>

diff --git a/packager/app/test/testdata/dolby-vision-profile-5-with-encryption/output.mpd b/packager/app/test/testdata/dolby-vision-profile-5-with-encryption/output.mpd
@@ -3,6 +3,8 @@
 <MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 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="PT6.022683S">
   <Period id="0">
     <AdaptationSet id="0" contentType="video" width="640" height="360" frameRate="60000/1001" subsegmentAlignment="true" par="16:9">
+      <SupplementalProperty schemeIdUri="urn:mpeg:mpegB:cicp:MatrixCoefficients" value="2"/>
+      <SupplementalProperty schemeIdUri="urn:mpeg:mpegB:cicp:ColourPrimaries" value="2"/>
       <SupplementalProperty schemeIdUri="urn:mpeg:mpegB:cicp:TransferCharacteristics" value="16"/>
       <ContentProtection value="cenc" schemeIdUri="urn:mpeg:dash:mp4protection:2011" cenc:default_KID="31323334-3536-3738-3930-313233343536"/>
       <ContentProtection schemeIdUri="urn:uuid:1077efec-c0b2-4d02-ace3-3c1e52e2fb4b">

diff --git a/packager/app/test/testdata/dolby-vision-profile-8-supplemental-codecs/output.mpd b/packager/app/test/testdata/dolby-vision-profile-8-supplemental-codecs/output.mpd
@@ -3,6 +3,8 @@
 <MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd" xmlns:scte214="urn:scte:dash:scte214-extensions" profiles="urn:mpeg:dash:profile:isoff-on-demand:2011" minBufferTime="PT2S" type="static" mediaPresentationDuration="PT6.022683S">
   <Period id="0">
     <AdaptationSet id="0" contentType="video" width="640" height="360" frameRate="60000/1001" subsegmentAlignment="true" par="16:9">
+      <SupplementalProperty schemeIdUri="urn:mpeg:mpegB:cicp:MatrixCoefficients" value="9"/>
+      <SupplementalProperty schemeIdUri="urn:mpeg:mpegB:cicp:ColourPrimaries" value="9"/>
       <SupplementalProperty schemeIdUri="urn:mpeg:mpegB:cicp:TransferCharacteristics" value="16"/>
       <Representation id="0" bandwidth="807837" codecs="hvc1.2.4.L90.90" mimeType="video/mp4" scte214:supplementalCodecs="dvh1.08.01" scte214:supplementalProfiles="db2g" sar="1:1">
         <BaseURL>sparks_dovi_8-video.mp4</BaseURL>

diff --git a/packager/app/test/testdata/dolby-vision-profile-8-with-encryption/output.mpd b/packager/app/test/testdata/dolby-vision-profile-8-with-encryption/output.mpd
@@ -3,6 +3,8 @@
 <MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 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="PT6.022683S">
   <Period id="0">
     <AdaptationSet id="0" contentType="video" width="640" height="360" frameRate="60000/1001" subsegmentAlignment="true" par="16:9">
+      <SupplementalProperty schemeIdUri="urn:mpeg:mpegB:cicp:MatrixCoefficients" value="9"/>
+      <SupplementalProperty schemeIdUri="urn:mpeg:mpegB:cicp:ColourPrimaries" value="9"/>
       <SupplementalProperty schemeIdUri="urn:mpeg:mpegB:cicp:TransferCharacteristics" value="16"/>
       <ContentProtection value="cenc" schemeIdUri="urn:mpeg:dash:mp4protection:2011" cenc:default_KID="31323334-3536-3738-3930-313233343536"/>
       <ContentProtection schemeIdUri="urn:uuid:1077efec-c0b2-4d02-ace3-3c1e52e2fb4b">
@@ -16,6 +18,8 @@
       </Representation>
     </AdaptationSet>
     <AdaptationSet id="1" contentType="video" width="640" height="360" frameRate="60000/1001" subsegmentAlignment="true" par="16:9">
+      <SupplementalProperty schemeIdUri="urn:mpeg:mpegB:cicp:MatrixCoefficients" value="9"/>
+      <SupplementalProperty schemeIdUri="urn:mpeg:mpegB:cicp:ColourPrimaries" value="9"/>
       <SupplementalProperty schemeIdUri="urn:mpeg:mpegB:cicp:TransferCharacteristics" value="16"/>
       <ContentProtection value="cenc" schemeIdUri="urn:mpeg:dash:mp4protection:2011" cenc:default_KID="31323334-3536-3738-3930-313233343536"/>
       <ContentProtection schemeIdUri="urn:uuid:1077efec-c0b2-4d02-ace3-3c1e52e2fb4b">

diff --git a/packager/app/test/testdata/hdr10-with-encryption/output.mpd b/packager/app/test/testdata/hdr10-with-encryption/output.mpd
@@ -3,6 +3,8 @@
 <MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 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="PT2.8028S">
   <Period id="0">
     <AdaptationSet id="0" contentType="video" width="640" height="360" frameRate="30000/1001" subsegmentAlignment="true" par="16:9">
+      <SupplementalProperty schemeIdUri="urn:mpeg:mpegB:cicp:MatrixCoefficients" value="9"/>
+      <SupplementalProperty schemeIdUri="urn:mpeg:mpegB:cicp:ColourPrimaries" value="9"/>
       <SupplementalProperty schemeIdUri="urn:mpeg:mpegB:cicp:TransferCharacteristics" value="16"/>
       <ContentProtection value="cenc" schemeIdUri="urn:mpeg:dash:mp4protection:2011" cenc:default_KID="31323334-3536-3738-3930-313233343536"/>
       <ContentProtection schemeIdUri="urn:uuid:1077efec-c0b2-4d02-ace3-3c1e52e2fb4b">

diff --git a/packager/media/base/media_handler_test_base.cc b/packager/media/base/media_handler_test_base.cc
@@ -31,7 +31,10 @@ const uint32_t kWidth = 10u;
 const uint32_t kHeight = 20u;
 const uint32_t kPixelWidth = 2u;
 const uint32_t kPixelHeight = 3u;
+const uint8_t kColorPrimaries = 0;
+const uint8_t kMatrixCoefficients = 0;
 const uint8_t kTransferCharacteristics = 0;
+
 const int16_t kTrickPlayFactor = 0;
 const uint8_t kNaluLengthSize = 1u;
 const bool kEncrypted = true;
@@ -207,8 +210,9 @@ std::unique_ptr<StreamInfo> MediaHandlerTestBase::GetVideoStreamInfo(
   return std::unique_ptr<VideoStreamInfo>(new VideoStreamInfo(
       kTrackId, time_scale, kDuration, codec, H26xStreamFormat::kUnSpecified,
       kCodecString, kCodecConfig, sizeof(kCodecConfig), width, height,
-      kPixelWidth, kPixelHeight, kTransferCharacteristics, kTrickPlayFactor,
-      kNaluLengthSize, kLanguage, !kEncrypted));
+      kPixelWidth, kPixelHeight, kColorPrimaries, kMatrixCoefficients,
+      kTransferCharacteristics, kTrickPlayFactor, kNaluLengthSize, kLanguage,
+      !kEncrypted));
 }
 
 std::unique_ptr<StreamInfo> MediaHandlerTestBase::GetAudioStreamInfo(

diff --git a/packager/media/base/video_stream_info.cc b/packager/media/base/video_stream_info.cc
@@ -50,6 +50,8 @@ VideoStreamInfo::VideoStreamInfo(int track_id,
                                  uint32_t height,
                                  uint32_t pixel_width,
                                  uint32_t pixel_height,
+                                 uint8_t color_primaries,
+                                 uint8_t matrix_coefficients,
                                  uint8_t transfer_characteristics,
                                  uint32_t trick_play_factor,
                                  uint8_t nalu_length_size,
@@ -71,6 +73,8 @@ VideoStreamInfo::VideoStreamInfo(int track_id,
       pixel_width_(pixel_width),
       pixel_height_(pixel_height),
       transfer_characteristics_(transfer_characteristics),
+      color_primaries_(color_primaries),
+      matrix_coefficients_(matrix_coefficients),
       trick_play_factor_(trick_play_factor),
       nalu_length_size_(nalu_length_size) {}
 

diff --git a/packager/media/base/video_stream_info.h b/packager/media/base/video_stream_info.h
@@ -39,6 +39,8 @@ class VideoStreamInfo : public StreamInfo {
                   uint32_t height,
                   uint32_t pixel_width,
                   uint32_t pixel_height,
+                  uint8_t color_primaries,
+                  uint8_t matrix_coefficients,
                   uint8_t transfer_characteristics,
                   uint32_t trick_play_factor,
                   uint8_t nalu_length_size,
@@ -67,6 +69,8 @@ class VideoStreamInfo : public StreamInfo {
   /// @return 0 if unknown.
   uint32_t pixel_height() const { return pixel_height_; }
   uint8_t transfer_characteristics() const { return transfer_characteristics_; }
+  uint8_t color_primaries() const { return color_primaries_; }
+  uint8_t matrix_coefficients() const { return matrix_coefficients_; }
   uint8_t nalu_length_size() const { return nalu_length_size_; }
   uint32_t trick_play_factor() const { return trick_play_factor_; }
   uint32_t playback_rate() const { return playback_rate_; }
@@ -91,6 +95,12 @@ class VideoStreamInfo : public StreamInfo {
   void set_transfer_characteristics(uint8_t transfer_characteristics) {
     transfer_characteristics_ = transfer_characteristics;
   }
+  void set_color_primaries(uint8_t color_primaries) {
+    color_primaries_ = color_primaries;
+  }
+  void set_matrix_coefficients(uint8_t matrix_coefficients) {
+    matrix_coefficients_ = matrix_coefficients;
+  }
   void set_trick_play_factor(uint32_t trick_play_factor) {
     trick_play_factor_ = trick_play_factor;
   }
@@ -120,6 +130,8 @@ class VideoStreamInfo : public StreamInfo {
   uint32_t pixel_width_;
   uint32_t pixel_height_;
   uint8_t transfer_characteristics_ = 0;
+  uint8_t color_primaries_ = 0;
+  uint8_t matrix_coefficients_ = 0;
   uint32_t trick_play_factor_ = 0;  // Non-zero for trick-play streams.
 
   // Playback rate is the attribute for trick play stream, which signals the

diff --git a/packager/media/codecs/decoder_configuration_record.h b/packager/media/codecs/decoder_configuration_record.h
@@ -48,6 +48,12 @@ class DecoderConfigurationRecord {
   /// @return Transfer characteristics of the config.
   uint8_t transfer_characteristics() const { return transfer_characteristics_; }
 
+  /// @return Colour Primaries of the config.
+  uint8_t color_primaries() const { return color_primaries_; }
+
+  /// @return Matrix Coeffs of the config.
+  uint8_t matrix_coefficients() const { return matrix_coefficients_; }
+
  protected:
   DecoderConfigurationRecord();
 
@@ -71,6 +77,15 @@ class DecoderConfigurationRecord {
     transfer_characteristics_ = transfer_characteristics;
   }
 
+  /// Sets the colour primaries.
+  void set_color_primaries(uint8_t color_primaries) {
+    color_primaries_ = color_primaries;
+  }
+  /// Sets the matrix coeffs.
+  void set_matrix_coefficients(uint8_t matrix_coefficients) {
+    matrix_coefficients_ = matrix_coefficients;
+  }
+
  private:
   // Performs the actual parsing of the data.
   virtual bool ParseInternal() = 0;
@@ -86,6 +101,9 @@ class DecoderConfigurationRecord {
   // The parameter is extracted from SPS.
   uint8_t transfer_characteristics_ = 0;
 
+  uint8_t color_primaries_ = 0;
+  uint8_t matrix_coefficients_ = 0;
+
   DISALLOW_COPY_AND_ASSIGN(DecoderConfigurationRecord);
 };
 

diff --git a/packager/media/codecs/h264_parser.cc b/packager/media/codecs/h264_parser.cc
@@ -519,9 +519,9 @@ H264Parser::Result H264Parser::ParseVUIParameters(H26xBitReader* br,
     READ_BOOL_OR_RETURN(&data);  // video_full_range_flag
     READ_BOOL_OR_RETURN(&data);  // colour_description_present_flag
     if (data) {
-      READ_BITS_OR_RETURN(8, &data);  // colour primaries
+      READ_BITS_OR_RETURN(8, &sps->color_primaries);  // colour primaries
       READ_BITS_OR_RETURN(8, &sps->transfer_characteristics);
-      READ_BITS_OR_RETURN(8, &data);  // matrix coeffs
+      READ_BITS_OR_RETURN(8, &sps->matrix_coefficients);  // matrix coeffs
     }
   }
 

diff --git a/packager/media/codecs/h264_parser.h b/packager/media/codecs/h264_parser.h
@@ -81,6 +81,8 @@ struct H264Sps {
   int sar_width;    // Set to 0 when not specified.
   int sar_height;   // Set to 0 when not specified.
   int transfer_characteristics;
+  int color_primaries;
+  int matrix_coefficients;
 
   bool timing_info_present_flag;
   long num_units_in_tick;

diff --git a/packager/media/codecs/h265_parser.cc b/packager/media/codecs/h265_parser.cc
@@ -680,9 +680,11 @@ H265Parser::Result H265Parser::ParseVuiParameters(int max_num_sub_layers_minus1,
     bool colour_description_present_flag;
     TRUE_OR_RETURN(br->ReadBool(&colour_description_present_flag));
     if (colour_description_present_flag) {
-      TRUE_OR_RETURN(br->SkipBits(8));  // colour_primaries
+      TRUE_OR_RETURN(
+          br->ReadBits(8, &vui->color_primaries));  // color_primaries
       TRUE_OR_RETURN(br->ReadBits(8, &vui->transfer_characteristics));
-      TRUE_OR_RETURN(br->SkipBits(8));  // matrix_coeffs
+      TRUE_OR_RETURN(
+          br->ReadBits(8, &vui->matrix_coefficients));  // matrix_coeffs
     }
   }
 

diff --git a/packager/media/codecs/h265_parser.h b/packager/media/codecs/h265_parser.h
@@ -52,6 +52,8 @@ struct H265VuiParameters {
   int sar_width = 0;
   int sar_height = 0;
   int transfer_characteristics = 0;
+  int color_primaries = 0;
+  int matrix_coefficients = 0;
 
   bool vui_timing_info_present_flag = false;
   long vui_num_units_in_tick = 0;

diff --git a/packager/media/codecs/hevc_decoder_configuration_record.cc b/packager/media/codecs/hevc_decoder_configuration_record.cc
@@ -120,6 +120,10 @@ bool HEVCDecoderConfigurationRecord::ParseInternal() {
         RCHECK(parser.ParseSps(nalu, &sps_id) == H265Parser::kOk);
         set_transfer_characteristics(
             parser.GetSps(sps_id)->vui_parameters.transfer_characteristics);
+        set_color_primaries(
+            parser.GetSps(sps_id)->vui_parameters.color_primaries);
+        set_matrix_coefficients(
+            parser.GetSps(sps_id)->vui_parameters.matrix_coefficients);
       }
     }
   }

diff --git a/packager/media/crypto/subsample_generator_unittest.cc b/packager/media/crypto/subsample_generator_unittest.cc
@@ -63,6 +63,8 @@ VideoStreamInfo GetVideoStreamInfo(Codec codec) {
   const uint16_t kHeight = 20u;
   const uint32_t kPixelWidth = 2u;
   const uint32_t kPixelHeight = 3u;
+  const uint8_t kColorPrimaries = 0;
+  const uint8_t kMatrixCoefficients = 0;
   const uint8_t kTransferCharacteristics = 0;
   const int16_t kTrickPlayFactor = 0;
   const uint8_t kNaluLengthSize = 1u;
@@ -85,8 +87,9 @@ VideoStreamInfo GetVideoStreamInfo(Codec codec) {
   return VideoStreamInfo(
       kTrackId, kTimeScale, kDuration, codec, H26xStreamFormat::kUnSpecified,
       kCodecString, codec_config, codec_config_size, kWidth, kHeight,
-      kPixelWidth, kPixelHeight, kTransferCharacteristics, kTrickPlayFactor,
-      kNaluLengthSize, kLanguage, !kEncrypted);
+      kPixelWidth, kPixelHeight, kColorPrimaries, kMatrixCoefficients,
+      kTransferCharacteristics, kTrickPlayFactor, kNaluLengthSize, kLanguage,
+      !kEncrypted);
 }
 
 AudioStreamInfo GetAudioStreamInfo(Codec codec) {

diff --git a/packager/media/event/muxer_listener_internal.cc b/packager/media/event/muxer_listener_internal.cc
@@ -98,6 +98,13 @@ void AddVideoInfo(const VideoStreamInfo* video_stream_info,
     video_info->set_transfer_characteristics(
         video_stream_info->transfer_characteristics());
   }
+  if (video_stream_info->color_primaries() > 0) {
+    video_info->set_color_primaries(video_stream_info->color_primaries());
+  }
+  if (video_stream_info->matrix_coefficients() > 0) {
+    video_info->set_matrix_coefficients(
+        video_stream_info->matrix_coefficients());
+  }
 }
 
 void AddAudioInfo(const AudioStreamInfo* audio_stream_info,

diff --git a/packager/media/event/muxer_listener_test_helper.cc b/packager/media/event/muxer_listener_test_helper.cc
@@ -23,6 +23,8 @@ std::shared_ptr<VideoStreamInfo> CreateVideoStreamInfo(
       H26xStreamFormat::kUnSpecified, param.codec_string,
       param.codec_config.data(), param.codec_config.size(), param.width,
       param.height, param.pixel_width, param.pixel_height,
+      0,  // color_primaries
+      0,  // matrix_coefficients
       0,  // transfer_characteristics
       0,  // trick_play_factor
       param.nalu_length_size, param.language, param.is_encrypted);

diff --git a/packager/media/formats/mp2t/es_parser_h264.cc b/packager/media/formats/mp2t/es_parser_h264.cc
@@ -174,7 +174,8 @@ bool EsParserH264::UpdateVideoDecoderConfig(int pps_id) {
           codec_fourcc, decoder_config_record[1], decoder_config_record[2],
           decoder_config_record[3]),
       decoder_config_record.data(), decoder_config_record.size(), coded_width,
-      coded_height, pixel_width, pixel_height, sps->transfer_characteristics, 0,
+      coded_height, pixel_width, pixel_height, sps->color_primaries,
+      sps->matrix_coefficients, sps->transfer_characteristics, 0,
       nalu_length_size, std::string(), false);
   DVLOG(1) << "Profile IDC: " << sps->profile_idc;
   DVLOG(1) << "Level IDC: " << sps->level_idc;

diff --git a/packager/media/formats/mp2t/es_parser_h265.cc b/packager/media/formats/mp2t/es_parser_h265.cc
@@ -177,8 +177,10 @@ bool EsParserH265::UpdateVideoDecoderConfig(int pps_id) {
       pid(), kMpeg2Timescale, kInfiniteDuration, kCodecH265, stream_format,
       decoder_config.GetCodecString(codec_fourcc), decoder_config_record.data(),
       decoder_config_record.size(), coded_width, coded_height, pixel_width,
-      pixel_height, sps->vui_parameters.transfer_characteristics, 0,
-      nalu_length_size, std::string(), false);
+      pixel_height, sps->vui_parameters.color_primaries,
+      sps->vui_parameters.matrix_coefficients,
+      sps->vui_parameters.transfer_characteristics, 0, nalu_length_size,
+      std::string(), false);
 
   // Video config notification.
   new_stream_info_cb_(last_video_decoder_config_);

diff --git a/packager/media/formats/mp2t/pes_packet_generator_unittest.cc b/packager/media/formats/mp2t/pes_packet_generator_unittest.cc
@@ -84,6 +84,8 @@ const uint32_t kWidth = 1280;
 const uint32_t kHeight = 720;
 const uint32_t kPixelWidth = 1;
 const uint32_t kPixelHeight = 1;
+const uint8_t kColorPrimaries = 0;
+const uint8_t kMatrixCoefficients = 0;
 const uint8_t kTransferCharacteristics = 0;
 const uint16_t kTrickPlayFactor = 1;
 const uint8_t kNaluLengthSize = 1;
@@ -125,8 +127,8 @@ std::shared_ptr<VideoStreamInfo> CreateVideoStreamInfo(Codec codec) {
       kTrackId, kTimeScale, kDuration, codec,
       H26xStreamFormat::kAnnexbByteStream, kCodecString, kVideoExtraData,
       std::size(kVideoExtraData), kWidth, kHeight, kPixelWidth, kPixelHeight,
-      kTransferCharacteristics, kTrickPlayFactor, kNaluLengthSize, kLanguage,
-      kIsEncrypted));
+      kColorPrimaries, kMatrixCoefficients, kTransferCharacteristics,
+      kTrickPlayFactor, kNaluLengthSize, kLanguage, kIsEncrypted));
   return stream_info;
 }
 
@@ -358,8 +360,8 @@ TEST_F(PesPacketGeneratorTest, TimeStampScaling) {
       kTrackId, kTestTimescale, kDuration, kH264Codec,
       H26xStreamFormat::kAnnexbByteStream, kCodecString, kVideoExtraData,
       std::size(kVideoExtraData), kWidth, kHeight, kPixelWidth, kPixelHeight,
-      kTransferCharacteristics, kTrickPlayFactor, kNaluLengthSize, kLanguage,
-      kIsEncrypted));
+      kColorPrimaries, kMatrixCoefficients, kTransferCharacteristics,
+      kTrickPlayFactor, kNaluLengthSize, kLanguage, kIsEncrypted));
   EXPECT_TRUE(generator_.Initialize(*stream_info));
 
   EXPECT_EQ(0u, generator_.NumberOfReadyPesPackets());