VideoTrackRecorder: add support for more codecs on construction

content/renderer/media/video_track_recorder.cc

 // Copyright 2015 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/video_track_recorder.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/logging.h"
@@ skipping 364 matching lines @@
   }
   last_frame_timestamp_ = frame->timestamp();
   // Make sure |predicted_frame_duration| is in a safe range of values.
   const TimeDelta kMaxFrameDuration = TimeDelta::FromSecondsD(1.0 / 8);
   const TimeDelta kMinFrameDuration = TimeDelta::FromMilliseconds(1);
   return std::min(kMaxFrameDuration, std::max(predicted_frame_duration,
                                               kMinFrameDuration));
 }
 
 VideoTrackRecorder::VideoTrackRecorder(
-    bool use_vp9,
+    CodecId codec,
     const blink::WebMediaStreamTrack& track,
     const OnEncodedVideoCB& on_encoded_video_callback,
     int32_t bits_per_second)
     : track_(track),
-      encoder_(
-          new VpxEncoder(use_vp9, on_encoded_video_callback, bits_per_second)) {
+      encoder_(new VpxEncoder(codec == CodecId::VP9,
+                              on_encoded_video_callback,
+                              bits_per_second)) {
   DCHECK(main_render_thread_checker_.CalledOnValidThread());
   DCHECK(!track_.isNull());
   DCHECK(track_.getExtraData());
 
   // StartFrameEncode() will be called on Render IO thread.
   MediaStreamVideoSink::ConnectToTrack(
       track_,
       base::Bind(&VideoTrackRecorder::VpxEncoder::StartFrameEncode, encoder_));
 }
 
@@ skipping 15 matching lines @@
   encoder_->set_paused(false);
 }
 
 void VideoTrackRecorder::OnVideoFrameForTesting(
     const scoped_refptr<media::VideoFrame>& frame,
     base::TimeTicks timestamp) {
   encoder_->StartFrameEncode(frame, timestamp);
 }
 
 }  // namespace content