Implement runtime audio post-processing pipeline. See go/cast_audio.json

chromecast/media/cma/backend/alsa/stream_mixer_alsa.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_H_
 #define CHROMECAST_MEDIA_CMA_BACKEND_ALSA_STREAM_MIXER_ALSA_H_
 
 #include <alsa/asoundlib.h>
 #include <stdint.h>
 
 #include <map>
 #include <memory>
 #include <string>
 #include <vector>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/threading/thread.h"
 #include "base/timer/timer.h"
-#include "chromecast/media/cma/backend/alsa/audio_filter_interface.h"
 #include "chromecast/media/cma/backend/alsa/media_pipeline_backend_alsa.h"
 #include "chromecast/media/cma/backend/alsa/stream_mixer_alsa_input.h"
 #include "chromecast/public/cast_media_shlib.h"
 #include "chromecast/public/volume_control.h"
 
 namespace media {
 class AudioBus;
 }  // namespace media
 
 namespace chromecast {
@@ skipping 252 matching lines @@
 
   std::map<AudioContentType, VolumeInfo> volume_info_;
 
   DISALLOW_COPY_AND_ASSIGN(StreamMixerAlsa);
 };
 
 }  // namespace media
 }  // namespace chromecast
 
 #endif  // CHROMECAST_MEDIA_CMA_BACKEND_ALSA_STREAM_MIXER_ALSA_H_