Enable VP9 support in WebRTC HW encoder and decoders

content/renderer/media/gpu/rtc_video_decoder.cc

 // Copyright 2013 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 "content/renderer/media/gpu/rtc_video_decoder.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/logging.h"
@@ skipping 92 matching lines @@
     DLOG(ERROR) << "H264 HW decoding on Win7 is not supported.";
     return decoder;
   }
 #endif  // defined(OS_WIN)
   // Convert WebRTC codec type to media codec profile.
   media::VideoCodecProfile profile;
   switch (type) {
     case webrtc::kVideoCodecVP8:
       profile = media::VP8PROFILE_ANY;
       break;
+    case webrtc::kVideoCodecVP9:
+      profile = media::VP9PROFILE_MIN;

[Pawel Osciak, 2017/02/02 00:48:13]

Would VP9PROFILE_PROFILE0 be better here perhaps?

[emircan, 2017/02/03 18:11:30]

They are the same enum value. I can change again if you have a strong preference
between these two.

+      break;
     case webrtc::kVideoCodecH264:
       profile = media::H264PROFILE_MAIN;
       break;
     default:
       DVLOG(2) << "Video codec not supported:" << type;
       return decoder;
   }
 
   base::WaitableEvent waiter(base::WaitableEvent::ResetPolicy::MANUAL,
                              base::WaitableEvent::InitialState::NOT_SIGNALED);
@@ skipping 770 matching lines @@
 }
 
 void RTCVideoDecoder::ClearPendingBuffers() {
   // Delete WebRTC input buffers.
   for (const auto& pending_buffer : pending_buffers_)
     delete[] pending_buffer.first._buffer;
   pending_buffers_.clear();
 }
 
 }  // namespace content