Extract TL config to VP8 libvpx flag conversion.

webrtc/modules/video_coding/codecs/vp8/vp8_impl.h

 /*
  *  Copyright (c) 2012 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.
  *
  * WEBRTC VP8 wrapper interface
  */
 
 #ifndef WEBRTC_MODULES_VIDEO_CODING_CODECS_VP8_VP8_IMPL_H_
 #define WEBRTC_MODULES_VIDEO_CODING_CODECS_VP8_VP8_IMPL_H_
 
 #include <memory>
 #include <vector>
 
 // NOTE: This include order must remain to avoid compile errors, even though
 //       it breaks the style guide.
 #include "vpx/vpx_encoder.h"
 #include "vpx/vpx_decoder.h"
 #include "vpx/vp8cx.h"
 #include "vpx/vp8dx.h"
 
 #include "webrtc/api/video/video_frame.h"
 #include "webrtc/common_video/include/i420_buffer_pool.h"
+#include "webrtc/modules/video_coding/codecs/vp8/include/vp8.h"
+#include "webrtc/modules/video_coding/codecs/vp8/temporal_layers.h"
 #include "webrtc/modules/video_coding/include/video_codec_interface.h"
-#include "webrtc/modules/video_coding/codecs/vp8/include/vp8.h"
 #include "webrtc/modules/video_coding/utility/quality_scaler.h"
 #include "webrtc/video_frame.h"
 
 namespace webrtc {
 
 class TemporalLayers;
 
 class VP8EncoderImpl : public VP8Encoder {
  public:
   VP8EncoderImpl();
@@ skipping 14 matching lines @@
 
   int SetChannelParameters(uint32_t packet_loss, int64_t rtt) override;
 
   int SetRateAllocation(const BitrateAllocation& bitrate,
                         uint32_t new_framerate) override;
 
   ScalingSettings GetScalingSettings() const override;
 
   const char* ImplementationName() const override;
 
+  static vpx_enc_frame_flags_t EncodeFlags(TemporalReferences references);
+
  private:
   void SetupTemporalLayers(int num_streams,
                            int num_temporal_layers,
                            const VideoCodec& codec);
 
   // Set the cpu_speed setting for encoder based on resolution and/or platform.
   int SetCpuSpeed(int width, int height);
 
   // Determine number of encoder threads to use.
   int NumberOfThreads(int width, int height, int number_of_cores);
@@ skipping 68 matching lines @@
   bool inited_;
   vpx_codec_ctx_t* decoder_;
   int propagation_cnt_;
   int last_frame_width_;
   int last_frame_height_;
   bool key_frame_required_;
 };
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_VIDEO_CODING_CODECS_VP8_VP8_IMPL_H_