[Chromecast] Fade in after a mixer input stream has skipped

chromecast/media/cma/backend/alsa/stream_mixer_alsa_input_impl.h

 // 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.
 
 #ifndef CHROMECAST_MEDIA_CMA_BACKEND_ALSA_STREAM_MIXER_ALSA_INPUT_IMPL_H_
 #define CHROMECAST_MEDIA_CMA_BACKEND_ALSA_STREAM_MIXER_ALSA_INPUT_IMPL_H_
 
 #include <deque>
 #include <memory>
 
@@ skipping 102 matching lines @@
  private:
   // StreamMixerAlsa::InputQueue implementation:
   int input_samples_per_second() const override;
   float volume_multiplier() const override;
   bool primary() const override;
   bool IsDeleting() const override;
   void Initialize(const MediaPipelineBackendAlsa::RenderingDelay&
                       mixer_rendering_delay) override;
   int MaxReadSize() override;
   void GetResampledData(::media::AudioBus* dest, int frames) override;
+  void OnSkipped() override;
   void AfterWriteFrames(const MediaPipelineBackendAlsa::RenderingDelay&
                             mixer_rendering_delay) override;
   void SignalError(StreamMixerAlsaInput::MixerError error) override;
   void PrepareToDelete(const OnReadyToDeleteCb& delete_cb) override;
 
   // Tells the mixer to delete |this|. Makes sure not to call |delete_cb_| more
   // than once for |this|.
   void DeleteThis();
   MediaPipelineBackendAlsa::RenderingDelay QueueData(
       const scoped_refptr<DecoderBufferBase>& data);
@@ skipping 39 matching lines @@
   base::WeakPtr<StreamMixerAlsaInputImpl> weak_this_;
   base::WeakPtrFactory<StreamMixerAlsaInputImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(StreamMixerAlsaInputImpl);
 };
 
 }  // namespace media
 }  // namespace chromecast
 
 #endif  // CHROMECAST_MEDIA_CMA_BACKEND_ALSA_STREAM_MIXER_ALSA_INPUT_IMPL_H_