| // Copyright 2017 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_MIXER_POST_PROCESSING_PIPELINE_H_ |
| #define CHROMECAST_MEDIA_CMA_BACKEND_MIXER_POST_PROCESSING_PIPELINE_H_ |
| |
| #include <memory> |
| #include <string> |
| #include <vector> |
| |
| #include "chromecast/public/media/audio_post_processor2_shlib.h" |
| #include "chromecast/public/volume_control.h" |
| |
| namespace base { |
| class Value; |
| } // namespace base |
| |
| namespace chromecast { |
| namespace media { |
| |
| class PostProcessingPipeline { |
| public: |
| virtual ~PostProcessingPipeline() = default; |
| |
| // Returns the rendering delay in seconds. |
| virtual double ProcessFrames(float* data, |
| int num_frames, |
| float current_multiplier, |
| bool is_silence) = 0; |
| virtual float* GetOutputBuffer() = 0; |
| virtual int NumOutputChannels() const = 0; |
| |
| virtual bool SetOutputConfig( |
| const AudioPostProcessor2::Config& output_config) = 0; |
| virtual int GetInputSampleRate() const = 0; |
| virtual bool IsRinging() = 0; |
| virtual void SetPostProcessorConfig(const std::string& name, |
| const std::string& config) = 0; |
| virtual void SetContentType(AudioContentType content_type) = 0; |
| virtual void UpdatePlayoutChannel(int channel) = 0; |
| }; |
| |
| class PostProcessingPipelineFactory { |
| public: |
| virtual ~PostProcessingPipelineFactory() = default; |
| |
| virtual std::unique_ptr<PostProcessingPipeline> CreatePipeline( |
| const std::string& name, |
| const base::Value* filter_description_list, |
| int num_channels) = 0; |
| }; |
| |
| } // namespace media |
| } // namespace chromecast |
| |
| #endif // CHROMECAST_MEDIA_CMA_BACKEND_MIXER_POST_PROCESSING_PIPELINE_H_ |