Enable vp09 codec string in WebM by default

media/base/decode_capabilities.cc

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "media/base/decode_capabilities.h"
 
 #include "base/command_line.h"
 #include "base/feature_list.h"
 #include "media/base/media_switches.h"
 #include "ui/display/display_switches.h"
 
+#if !defined(MEDIA_DISABLE_LIBVPX)
+// VPX_CODEC_DISABLE_COMPAT excludes parts of the libvpx API that provide
+// backwards compatibility for legacy applications using the library.
+#define VPX_CODEC_DISABLE_COMPAT 1
+extern "C" {
+#include "third_party/libvpx/source/libvpx/vpx/vp8dx.h"
+#include "third_party/libvpx/source/libvpx/vpx/vpx_codec.h"
+}
+#endif
+
 namespace media {
 
 bool IsColorSpaceSupported(const media::VideoColorSpace& color_space) {
   bool color_management =
       base::CommandLine::ForCurrentProcess()->HasSwitch(switches::kEnableHDR) ||
       base::FeatureList::IsEnabled(media::kVideoColorManagement);
   switch (color_space.primaries) {
     case media::VideoColorSpace::PrimaryID::EBU_3213_E:
     case media::VideoColorSpace::PrimaryID::INVALID:
       return false;
@@ skipping 73 matching lines @@
     case media::VideoColorSpace::MatrixID::INVALID:
       return false;
   }
 
   if (color_space.range == gfx::ColorSpace::RangeID::INVALID)
     return false;
 
   return true;
 }
 
+bool IsVp9ProfileSupported(VideoCodecProfile profile) {
+#if !defined(MEDIA_DISABLE_LIBVPX)
+  // High bit depth capabilities may be toggled via LibVPX config flags.
+  static bool vpx_supports_high_bit_depth =
+      (vpx_codec_get_caps(vpx_codec_vp9_dx()) & VPX_CODEC_CAP_HIGHBITDEPTH) !=
+      0;
+
+  switch (profile) {
+    // LibVPX always supports Profiles 0 and 1.
+    case VP9PROFILE_PROFILE0:
+    case VP9PROFILE_PROFILE1:
+      return true;
+    case VP9PROFILE_PROFILE2:
+    case VP9PROFILE_PROFILE3:
+      return vpx_supports_high_bit_depth;
+    default:
+      NOTREACHED();
+  }
+#endif
+  return false;
+}
+
 bool IsSupportedAudioConfig(const AudioConfig& config) {
   switch (config.codec) {
     case media::kCodecAAC:
     case media::kCodecFLAC:
     case media::kCodecMP3:
     case media::kCodecOpus:
     case media::kCodecPCM:
     case media::kCodecPCM_MULAW:
     case media::kCodecPCM_S16BE:
     case media::kCodecPCM_S24BE:
@@ skipping 20 matching lines @@
   NOTREACHED();
   return false;
 }
 
 // TODO(chcunningham): Query decoders for codec profile support. Add platform
 // specific logic for Android (move from MimeUtilIntenral).
 bool IsSupportedVideoConfig(const VideoConfig& config) {
   switch (config.codec) {
     case media::kCodecVP9:
       // Color management required for HDR to not look terrible.
-      return IsColorSpaceSupported(config.color_space);
-
+      return IsColorSpaceSupported(config.color_space) &&
+             IsVp9ProfileSupported(config.profile);
     case media::kCodecH264:
     case media::kCodecVP8:
     case media::kCodecTheora:
       return true;
 
     case media::kUnknownVideoCodec:
     case media::kCodecVC1:
     case media::kCodecMPEG2:
     case media::kCodecMPEG4:
     case media::kCodecHEVC:
     case media::kCodecDolbyVision:
       return false;
   }
 
   NOTREACHED();
   return false;
 }
 
 }  // namespace media