diff -up chromium-62.0.3192.0/media/base/mime_util_internal.h.wmvflvmpg chromium-62.0.3192.0/media/base/mime_util_internal.h
--- chromium-62.0.3192.0/media/base/mime_util_internal.h.wmvflvmpg	2017-08-30 15:52:00.602204610 +0200
+++ chromium-62.0.3192.0/media/base/mime_util_internal.h	2017-08-30 15:52:00.616204356 +0200
@@ -48,7 +48,20 @@ class MEDIA_EXPORT MimeUtil {
     MP2,
     MPEG4_SP,
     MPEG4_ASP,
-    LAST_CODEC = MPEG4_ASP
+    MSMPEG4v1,
+    MSMPEG4v2,
+    MSMPEG4v3,
+    WMV7,
+    WMV8,
+    WMV9,
+    VC1,
+    WMA1,
+    WMA2,
+    VP6,
+    MPEG1,
+    MPEG2,
+    FLV1,
+    LAST_CODEC = FLV1
   };
 
   // Platform configuration structure.  Controls which codecs are supported at
diff -up chromium-51.0.2687.0/media/ffmpeg/ffmpeg_common.cc.flv1 chromium-51.0.2687.0/media/ffmpeg/ffmpeg_common.cc
--- chromium-51.0.2687.0/media/ffmpeg/ffmpeg_common.cc.flv1	2016-03-23 18:22:20.227596097 +0100
+++ chromium-51.0.2687.0/media/ffmpeg/ffmpeg_common.cc	2016-03-23 18:22:20.245595771 +0100
@@ -120,6 +120,10 @@ AudioCodec CodecIDToAudioCodec(AVCodecID
       return kCodecMP2;
     case AV_CODEC_ID_DTS:
       return kCodecDTS;
+    case AV_CODEC_ID_WMAV1:
+      return kCodecWMA1;
+    case AV_CODEC_ID_WMAV2:
+      return kCodecWMA2;
     default:
       DVLOG(1) << "Unknown audio CodecID: " << codec_id;
   }
@@ -179,6 +183,10 @@ AVCodecID AudioCodecToCodecID(AudioCodec
       return AV_CODEC_ID_MP2;
     case kCodecDTS:
       return AV_CODEC_ID_DTS;
+    case kCodecWMA1:
+      return AV_CODEC_ID_WMAV1;
+    case kCodecWMA2:
+      return AV_CODEC_ID_WMAV2;
     default:
       DVLOG(1) << "Unknown AudioCodec: " << audio_codec;
   }
@@ -197,6 +197,28 @@
       return kCodecVP9;
     case AV_CODEC_ID_AV1:
       return kCodecAV1;
+    case AV_CODEC_ID_MSMPEG4V1:
+      return kCodecMSMPEG4V1;
+    case AV_CODEC_ID_MSMPEG4V2:
+      return kCodecMSMPEG4V2;
+    case AV_CODEC_ID_MSMPEG4V3:
+      return kCodecMSMPEG4V3;
+    case AV_CODEC_ID_WMV1:
+      return kCodecWMV7;
+    case AV_CODEC_ID_WMV2:
+      return kCodecWMV8;
+    case AV_CODEC_ID_WMV3:
+      return kCodecWMV9;
+    case AV_CODEC_ID_VC1:
+      return kCodecVC1;
+    case AV_CODEC_ID_VP6:
+      return kCodecVP6;
+    case AV_CODEC_ID_MPEG1VIDEO:
+      return kCodecMPEG1;
+    case AV_CODEC_ID_MPEG2VIDEO:
+      return kCodecMPEG2;
+    case AV_CODEC_ID_FLV1:
+      return kCodecSorensonSpark;
     default:
       DVLOG(1) << "Unknown video CodecID: " << codec_id;
   }
--- chromium-56.0.2924.10/media/remoting/proto_enum_utils.cc.bak.2	2016-12-01 23:42:15.717317808 +0100
+++ chromium-56.0.2924.10/media/remoting/proto_enum_utils.cc	2016-12-01 23:44:59.695754038 +0100
@@ -36,6 +36,8 @@ base::Optional<AudioCodec> ToMediaAudioC
     CASE_RETURN_OTHER(kCodecMpegHAudio);
     CASE_RETURN_OTHER(kCodecMP2);
     CASE_RETURN_OTHER(kCodecDTS);
+    CASE_RETURN_OTHER(kCodecWMA1);
+    CASE_RETURN_OTHER(kCodecWMA2);
   }
   return base::nullopt;  // Not a 'default' to ensure compile-time checks.
 }
@@ -65,6 +67,8 @@ base::Optional<pb::AudioDecoderConfig::C
     CASE_RETURN_OTHER(kCodecMpegHAudio);
     CASE_RETURN_OTHER(kCodecMP2);
     CASE_RETURN_OTHER(kCodecDTS);
+    CASE_RETURN_OTHER(kCodecWMA1);
+    CASE_RETURN_OTHER(kCodecWMA2);
   }
   return base::nullopt;  // Not a 'default' to ensure compile-time checks.
 }
@@ -211,6 +215,15 @@ base::Optional<VideoCodec> ToMediaVideoC
     CASE_RETURN_OTHER(kCodecHEVC);
     CASE_RETURN_OTHER(kCodecDolbyVision);
     CASE_RETURN_OTHER(kCodecAV1);
+    CASE_RETURN_OTHER(kCodecMSMPEG4V1);
+    CASE_RETURN_OTHER(kCodecMSMPEG4V2);
+    CASE_RETURN_OTHER(kCodecMSMPEG4V3);
+    CASE_RETURN_OTHER(kCodecWMV7);
+    CASE_RETURN_OTHER(kCodecWMV8);
+    CASE_RETURN_OTHER(kCodecWMV9);
+    CASE_RETURN_OTHER(kCodecVP6);
+    CASE_RETURN_OTHER(kCodecMPEG1);
+    CASE_RETURN_OTHER(kCodecSorensonSpark);
   }
   return base::nullopt;  // Not a 'default' to ensure compile-time checks.
 }
@@ -231,6 +244,15 @@ base::Optional<pb::VideoDecoderConfig::C
     CASE_RETURN_OTHER(kCodecHEVC);
     CASE_RETURN_OTHER(kCodecDolbyVision);
     CASE_RETURN_OTHER(kCodecAV1);
+    CASE_RETURN_OTHER(kCodecMSMPEG4V1);
+    CASE_RETURN_OTHER(kCodecMSMPEG4V2);
+    CASE_RETURN_OTHER(kCodecMSMPEG4V3);
+    CASE_RETURN_OTHER(kCodecWMV7);
+    CASE_RETURN_OTHER(kCodecWMV8);
+    CASE_RETURN_OTHER(kCodecWMV9);
+    CASE_RETURN_OTHER(kCodecVP6);
+    CASE_RETURN_OTHER(kCodecMPEG1);
+    CASE_RETURN_OTHER(kCodecSorensonSpark);
   }
   return base::nullopt;  // Not a 'default' to ensure compile-time checks.
 }
--- chromium-56.0.2924.10/media/remoting/media_remoting_rpc.proto.bak.2	2016-12-02 02:15:05.660562641 +0100
+++ chromium-56.0.2924.10/media/remoting/media_remoting_rpc.proto	2016-12-02 02:15:48.885796867 +0100
@@ -69,6 +69,8 @@ message AudioDecoderConfig {
     kCodecMpegHAudio = 17;
     kCodecMP2 = 18;
     kCodecDTS = 19;
+    kCodecWMA1 = 20;
+    kCodecWMA2 = 21;
   }
 
   // Proto version of media::SampleFormat.
@@ -154,6 +154,15 @@
     kCodecHEVC = 8;
     kCodecDolbyVision = 9;
     kCodecAV1 = 10;
+    kCodecMSMPEG4V1 = 11;
+    kCodecMSMPEG4V2 = 12;
+    kCodecMSMPEG4V3 = 13;
+    kCodecWMV7 = 14;
+    kCodecWMV8 = 15;
+    kCodecWMV9 = 16;
+    kCodecVP6 = 17;
+    kCodecMPEG1 = 18;
+    kCodecSorensonSpark = 19;
   }
 
   // Proto version of media::VideoCodecProfile.
--- chromium-56.0.2924.10/media/base/video_codecs.h.bak	2016-12-05 00:29:39.341097040 +0100
+++ chromium-56.0.2924.10/media/base/video_codecs.h	2016-12-05 00:30:04.352645151 +0100
@@ -31,12 +31,21 @@
   kCodecHEVC,
   kCodecDolbyVision,
   kCodecAV1,
+  kCodecMSMPEG4V1,
+  kCodecMSMPEG4V2,
+  kCodecMSMPEG4V3,
+  kCodecWMV7,
+  kCodecWMV8,
+  kCodecWMV9,
+  kCodecVP6,
+  kCodecMPEG1,
+  kCodecSorensonSpark,
   // DO NOT ADD RANDOM VIDEO CODECS!
   //
   // The only acceptable time to add a new codec is if there is production code
   // that uses said codec in the same CL.
 
-  kVideoCodecMax = kCodecAV1,  // Must equal the last "real" codec above.
+  kVideoCodecMax = kCodecSorensonSpark,  // Must equal the last "real" codec above.
 };
 
 // Video codec profiles. Keep in sync with mojo::VideoCodecProfile (see
--- chromium-56.0.2924.10/media/base/video_codecs.cc.bak	2016-11-29 21:04:19.000000000 +0100
+++ chromium-56.0.2924.10/media/base/video_codecs.cc	2016-12-05 00:32:51.625621718 +0100
@@ -38,6 +38,24 @@ std::string GetCodecName(VideoCodec code
       return "vp9";
     case kCodecAV1:
       return "av1";
+    case kCodecMSMPEG4V1:
+      return "msmpeg4v1";
+    case kCodecMSMPEG4V2:
+      return "msmpeg4v2";
+    case kCodecMSMPEG4V3:
+      return "msmpeg4v3";
+    case kCodecWMV7:
+      return "wmv1";
+    case kCodecWMV8:
+      return "wmv2";
+    case kCodecWMV9:
+      return "wmv3";
+    case kCodecVP6:
+      return "vp6";
+    case kCodecMPEG1:
+      return "mpeg1video";
+    case kCodecSorensonSpark:
+      return "flv1";
   }
   NOTREACHED();
   return "";
@@ -886,6 +904,50 @@ void ParseCodec(const std::string& codec
     return;
   }
 #endif
+  if (codec_id == "msmpeg4v1") {
+    codec = kCodecMSMPEG4V1;
+    return;
+  }
+  if (codec_id == "msmpeg4v2") {
+    codec = kCodecMSMPEG4V2;
+    return;
+  }
+  if (codec_id == "msmpeg4v3") {
+    codec = kCodecMSMPEG4V3;
+    return;
+  }
+  if (codec_id == "wmv1") {
+    codec = kCodecWMV7;
+    return;
+  }
+  if (codec_id == "wmv2") {
+    codec = kCodecWMV8;
+    return;
+  }
+  if (codec_id == "wmv3") {
+    codec = kCodecWMV9;
+    return;
+  }
+  if (codec_id == "vc1") {
+    codec = kCodecVC1;
+    return;
+  }
+  if (codec_id == "vp6") {
+    codec = kCodecVP6;
+    return;
+  }
+  if (codec_id == "mpeg1video") {
+    codec = kCodecMPEG1;
+    return;
+  }
+  if (codec_id == "mpeg2video") {
+    codec = kCodecMPEG2;
+    return;
+  }
+  if (codec_id == "flv1") {
+    codec = kCodecSorensonSpark;
+    return;
+  }
   codec = kUnknownVideoCodec;
 }
 
--- chromium-56.0.2924.21/media/filters/ffmpeg_video_decoder.cc.flv	2016-12-10 20:33:18.005427356 +0100
+++ chromium-56.0.2924.21/media/filters/ffmpeg_video_decoder.cc	2016-12-10 20:34:28.610202853 +0100
@@ -46,6 +46,15 @@
 
     case kCodecTheora:
     case kCodecMPEG4:
+    case kCodecMSMPEG4V1:
+    case kCodecMSMPEG4V2:
+    case kCodecMSMPEG4V3:
+    case kCodecWMV7:
+    case kCodecWMV8:
+    case kCodecWMV9:
+    case kCodecVP6:
+    case kCodecMPEG1:
+    case kCodecSorensonSpark:
       // No extra threads for these codecs.
       break;
 
--- chromium-74.0.3729.40/media/base/audio_codecs.cc.wma	2019-03-29 22:57:18.887316626 +0100
+++ chromium-74.0.3729.40/media/base/audio_codecs.cc	2019-03-29 23:15:45.965274473 +0100
@@ -50,7 +50,12 @@ std::string GetCodecName(AudioCodec code
       return "mp2";
     case kCodecDTS:
       return "dts";
+    case kCodecWMA1:
+      return "wma1";
+    case kCodecWMA2:
+      return "wma2";
   }
+  return "";
 }
 
 std::string GetProfileName(AudioCodecProfile profile) {
@@ -64,6 +65,7 @@ std::string GetProfileName(AudioCodecPro
     case AudioCodecProfile::kXHE_AAC:
       return "xhe-aac";
   }
+  return "";
 }
 
 AudioCodec StringToAudioCodec(const std::string& codec_id) {
@@ -89,6 +93,10 @@ AudioCodec StringToAudioCodec(const std:
     return kCodecMP2;
   if (codec_id == "dts")
     return kCodecDTS;
+  if (codec_id == "wma1")
+    return kCodecWMA1;
+  if (codec_id == "wma2")
+    return kCodecWMA2;
   return kUnknownAudioCodec;
 }
 
--- chromium-74.0.3729.40/media/base/audio_codecs.h.wma	2019-03-29 22:57:18.889316591 +0100
+++ chromium-74.0.3729.40/media/base/audio_codecs.h	2019-03-29 23:17:16.560724846 +0100
@@ -35,13 +35,15 @@ enum AudioCodec {
   kCodecMpegHAudio = 17,
   kCodecMP2 = 18,
   kCodecDTS = 19,
+  kCodecWMA1 = 20,
+  kCodecWMA2 = 21,
   // DO NOT ADD RANDOM AUDIO CODECS!
   //
   // The only acceptable time to add a new codec is if there is production code
   // that uses said codec in the same CL.
 
   // Must always be equal to the largest entry ever logged.
-  kAudioCodecMax = kCodecDTS,
+  kAudioCodecMax = kCodecWMA2,
 };
 
 enum class AudioCodecProfile {
--- chromium-74.0.3729.40/media/base/mime_util_internal.cc.wma	2019-03-29 22:57:18.903316352 +0100
+++ chromium-74.0.3729.40/media/base/mime_util_internal.cc	2019-03-29 23:29:55.405768520 +0100
@@ -100,6 +100,8 @@ const StringToCodecMap& GetStringToCodec
       {"vc-1", MimeUtil::VC1},
       {"vp6", MimeUtil::VP6},
       {"mpeg1", MimeUtil::MPEG1},
+      {"wma1", MimeUtil::WMA1},
+      {"wma2", MimeUtil::WMA2},
   });
 
   return *kStringToCodecMap;
@@ -180,6 +181,10 @@ AudioCodec MimeUtilToAudioCodec(MimeUtil
       return kCodecDTS;
     case MimeUtil::MP2:
       return kCodecMP2;
+    case MimeUtil::WMA1:
+      return kCodecWMA1;
+    case MimeUtil::WMA2:
+      return kCodecWMA2;
     default:
       break;
   }
@@ -307,6 +312,8 @@ void MimeUtil::AddSupportedMediaFormats(
   matroska_audio_codecs.emplace(MPEG4_AAC);
   matroska_audio_codecs.emplace(PCM);
   matroska_audio_codecs.emplace(FLAC);
+  matroska_audio_codecs.emplace(WMA1);
+  matroska_audio_codecs.emplace(WMA2);
 
   CodecSet matroska_video_codecs;
   matroska_video_codecs.emplace(THEORA);
--- chromium-74.0.3729.40/media/base/media_types.cc.gcc8	2019-03-27 19:50:19.000000000 +0100
+++ chromium-74.0.3729.40/media/base/media_types.cc	2019-03-30 21:18:15.797174455 +0100
@@ -36,6 +36,15 @@ VideoType VideoType::FromDecoderConfig(c
     case kCodecVC1:
     case kCodecMPEG2:
     case kCodecMPEG4:
+    case kCodecMSMPEG4V1:
+    case kCodecMSMPEG4V2:
+    case kCodecMSMPEG4V3:
+    case kCodecWMV7:
+    case kCodecWMV8:
+    case kCodecWMV9:
+    case kCodecVP6:
+    case kCodecMPEG1:
+    case kCodecSorensonSpark:
       break;
     case kCodecH264:
     case kCodecVP9: