chromecast/media/cma/backend/audio_pipeline_device_default.h

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROMECAST_MEDIA_CMA_BACKEND_AUDIO_PIPELINE_DEVICE_DEFAULT_H_
   6 #define CHROMECAST_MEDIA_CMA_BACKEND_AUDIO_PIPELINE_DEVICE_DEFAULT_H_
   7
   8 #include <vector>
   9
  10 #include "base/macros.h"
  11 #include "base/memory/scoped_ptr.h"
  12 #include "base/threading/thread_checker.h"
  13 #include "chromecast/public/media/audio_pipeline_device.h"
  14 #include "chromecast/public/media/decoder_config.h"
  15
  16 namespace chromecast {
  17 namespace media {
  18
  19 class MediaClockDevice;
  20 class MediaComponentDeviceDefault;
  21 struct MediaPipelineDeviceParams;
  22
  23 class AudioPipelineDeviceDefault : public AudioPipelineDevice {
  24  public:
  25   AudioPipelineDeviceDefault(const MediaPipelineDeviceParams& params,
  26                              MediaClockDevice* media_clock_device);
  27   ~AudioPipelineDeviceDefault() override;
  28
  29   // AudioPipelineDevice implementation.
  30   void SetClient(Client* client) override;
  31   State GetState() const override;
  32   bool SetState(State new_state) override;
  33   bool SetStartPts(int64_t time_microseconds) override;
  34   FrameStatus PushFrame(DecryptContext* decrypt_context,
  35                         CastDecoderBuffer* buffer,
  36                         FrameStatusCB* completion_cb) override;
  37   RenderingDelay GetRenderingDelay() const override;
  38   bool SetConfig(const AudioConfig& config) override;
  39   void SetStreamVolumeMultiplier(float multiplier) override;
  40   bool GetStatistics(Statistics* stats) const override;
  41
  42  private:
  43   scoped_ptr<MediaComponentDeviceDefault> pipeline_;
  44
  45   AudioConfig config_;
  46   std::vector<uint8_t> config_extra_data_;
  47
  48   base::ThreadChecker thread_checker_;
  49   DISALLOW_COPY_AND_ASSIGN(AudioPipelineDeviceDefault);
  50 };
  51
  52 }  // namespace media
  53 }  // namespace chromecast
  54
  55 #endif  // CHROMECAST_MEDIA_CMA_BACKEND_AUDIO_PIPELINE_DEVICE_DEFAULT_H_