diff options
Diffstat (limited to 'src/modules/audio_processing/echo_cancellation_impl.h')
-rw-r--r-- | src/modules/audio_processing/echo_cancellation_impl.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/src/modules/audio_processing/echo_cancellation_impl.h b/src/modules/audio_processing/echo_cancellation_impl.h new file mode 100644 index 0000000000..a483a3aee4 --- /dev/null +++ b/src/modules/audio_processing/echo_cancellation_impl.h @@ -0,0 +1,76 @@ +/* + * Copyright (c) 2011 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_AUDIO_PROCESSING_MAIN_SOURCE_ECHO_CANCELLATION_IMPL_H_ +#define WEBRTC_MODULES_AUDIO_PROCESSING_MAIN_SOURCE_ECHO_CANCELLATION_IMPL_H_ + +#include "audio_processing.h" +#include "processing_component.h" + +namespace webrtc { +class AudioProcessingImpl; +class AudioBuffer; + +class EchoCancellationImpl : public EchoCancellation, + public ProcessingComponent { + public: + explicit EchoCancellationImpl(const AudioProcessingImpl* apm); + virtual ~EchoCancellationImpl(); + + int ProcessRenderAudio(const AudioBuffer* audio); + int ProcessCaptureAudio(AudioBuffer* audio); + + // EchoCancellation implementation. + virtual bool is_enabled() const; + virtual int device_sample_rate_hz() const; + virtual int stream_drift_samples() const; + + // ProcessingComponent implementation. + virtual int Initialize(); + virtual int get_version(char* version, int version_len_bytes) const; + + private: + // EchoCancellation implementation. + virtual int Enable(bool enable); + virtual int enable_drift_compensation(bool enable); + virtual bool is_drift_compensation_enabled() const; + virtual int set_device_sample_rate_hz(int rate); + virtual int set_stream_drift_samples(int drift); + virtual int set_suppression_level(SuppressionLevel level); + virtual SuppressionLevel suppression_level() const; + virtual int enable_metrics(bool enable); + virtual bool are_metrics_enabled() const; + virtual bool stream_has_echo() const; + virtual int GetMetrics(Metrics* metrics); + virtual int enable_delay_logging(bool enable); + virtual bool is_delay_logging_enabled() const; + virtual int GetDelayMetrics(int* median, int* std); + + // ProcessingComponent implementation. + virtual void* CreateHandle() const; + virtual int InitializeHandle(void* handle) const; + virtual int ConfigureHandle(void* handle) const; + virtual int DestroyHandle(void* handle) const; + virtual int num_handles_required() const; + virtual int GetHandleError(void* handle) const; + + const AudioProcessingImpl* apm_; + bool drift_compensation_enabled_; + bool metrics_enabled_; + SuppressionLevel suppression_level_; + int device_sample_rate_hz_; + int stream_drift_samples_; + bool was_stream_drift_set_; + bool stream_has_echo_; + bool delay_logging_enabled_; +}; +} // namespace webrtc + +#endif // WEBRTC_MODULES_AUDIO_PROCESSING_MAIN_SOURCE_ECHO_CANCELLATION_IMPL_H_ |