Reland of Stop using hardcoded payload types for video codecs

webrtc/media/engine/internalencoderfactory.h

+/*
+ *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef WEBRTC_MEDIA_ENGINE_INTERNALENCODERFACTORY_H_
+#define WEBRTC_MEDIA_ENGINE_INTERNALENCODERFACTORY_H_
+
+#include <vector>
+
+#include "webrtc/media/engine/webrtcvideoencoderfactory.h"
+
+namespace cricket {
+
+class InternalEncoderFactory : public WebRtcVideoEncoderFactory {
+ public:
+  InternalEncoderFactory();
+  virtual ~InternalEncoderFactory();
+
+  // WebRtcVideoEncoderFactory implementation.
+  webrtc::VideoEncoder* CreateVideoEncoder(
+      const cricket::VideoCodec& codec) override;
+  const std::vector<cricket::VideoCodec>& supported_codecs() const override;
+  void DestroyVideoEncoder(webrtc::VideoEncoder* encoder) override;
+
+ private:
+  // Disable overloaded virtual function warning. TODO(magjed): Remove once
+  // http://crbug/webrtc/6402 is fixed.
+  using WebRtcVideoEncoderFactory::CreateVideoEncoder;
+
+  std::vector<cricket::VideoCodec> supported_codecs_;
+};
+
+}  // namespace cricket
+
+#endif  // WEBRTC_MEDIA_ENGINE_INTERNALENCODERFACTORY_H_