Derive current layer from TL frame config.

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

 /* Copyright (c) 2013 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_MODULES_VIDEO_CODING_CODECS_VP8_SCREENSHARE_LAYERS_H_
 #define WEBRTC_MODULES_VIDEO_CODING_CODECS_VP8_SCREENSHARE_LAYERS_H_
@@ skipping 17 matching lines @@
   static const double kAcceptableTargetOvershoot;
   static const int kMaxFrameIntervalMs;
 
   ScreenshareLayers(int num_temporal_layers,
                     uint8_t initial_tl0_pic_idx,
                     Clock* clock);
   virtual ~ScreenshareLayers();
 
   // Returns the recommended VP8 encode flags needed. May refresh the decoder
   // and/or update the reference buffers.
-  TemporalReferences UpdateLayerConfig(uint32_t timestamp) override;
+  TemporalLayers::FrameConfig UpdateLayerConfig(uint32_t timestamp) override;
 
   // Update state based on new bitrate target and incoming framerate.
   // Returns the bitrate allocation for the active temporal layers.
   std::vector<uint32_t> OnRatesUpdated(int bitrate_kbps,
                                        int max_bitrate_kbps,
                                        int framerate) override;
 
   // Update the encoder configuration with target bitrates or other parameters.
   // Returns true iff the configuration was actually modified.
   bool UpdateConfiguration(vpx_codec_enc_cfg_t* cfg) override;
 
   void PopulateCodecSpecific(bool base_layer_sync,
+                             const TemporalLayers::FrameConfig& tl_config,
                              CodecSpecificInfoVP8* vp8_info,
                              uint32_t timestamp) override;
 
   void FrameEncoded(unsigned int size, int qp) override;
 
-  int CurrentLayerId() const override;
+  int GetTemporalLayerId(
+      const TemporalLayers::FrameConfig& tl_config) const override;
 
   uint8_t Tl0PicIdx() const override;
 
  private:
   bool TimeToSync(int64_t timestamp) const;
   uint32_t GetCodecTargetBitrateKbps() const;
 
   Clock* const clock_;
 
   int number_of_temporal_layers_;
@@ skipping 50 matching lines @@
     int64_t num_overshoots_ = 0;
     int64_t tl0_qp_sum_ = 0;
     int64_t tl1_qp_sum_ = 0;
     int64_t tl0_target_bitrate_sum_ = 0;
     int64_t tl1_target_bitrate_sum_ = 0;
   } stats_;
 };
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_VIDEO_CODING_CODECS_VP8_SCREENSHARE_LAYERS_H_