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-rw-r--r--src/modules/audio_processing/main/source/audio_buffer.h68
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diff --git a/src/modules/audio_processing/main/source/audio_buffer.h b/src/modules/audio_processing/main/source/audio_buffer.h
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--- a/src/modules/audio_processing/main/source/audio_buffer.h
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-/*
- * 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_AUDIO_BUFFER_H_
-#define WEBRTC_MODULES_AUDIO_PROCESSING_MAIN_SOURCE_AUDIO_BUFFER_H_
-
-#include "typedefs.h"
-
-
-namespace webrtc {
-
-struct AudioChannel;
-struct SplitAudioChannel;
-class AudioFrame;
-
-class AudioBuffer {
- public:
- AudioBuffer(WebRtc_Word32 max_num_channels, WebRtc_Word32 samples_per_channel);
- virtual ~AudioBuffer();
-
- WebRtc_Word32 num_channels() const;
- WebRtc_Word32 samples_per_channel() const;
- WebRtc_Word32 samples_per_split_channel() const;
-
- WebRtc_Word16* data(WebRtc_Word32 channel) const;
- WebRtc_Word16* low_pass_split_data(WebRtc_Word32 channel) const;
- WebRtc_Word16* high_pass_split_data(WebRtc_Word32 channel) const;
- WebRtc_Word16* mixed_low_pass_data(WebRtc_Word32 channel) const;
- WebRtc_Word16* low_pass_reference(WebRtc_Word32 channel) const;
-
- WebRtc_Word32* analysis_filter_state1(WebRtc_Word32 channel) const;
- WebRtc_Word32* analysis_filter_state2(WebRtc_Word32 channel) const;
- WebRtc_Word32* synthesis_filter_state1(WebRtc_Word32 channel) const;
- WebRtc_Word32* synthesis_filter_state2(WebRtc_Word32 channel) const;
-
- void DeinterleaveFrom(AudioFrame* audioFrame);
- void InterleaveTo(AudioFrame* audioFrame) const;
- void Mix(WebRtc_Word32 num_mixed_channels);
- void CopyAndMixLowPass(WebRtc_Word32 num_mixed_channels);
- void CopyLowPassToReference();
-
- private:
- const WebRtc_Word32 max_num_channels_;
- WebRtc_Word32 num_channels_;
- WebRtc_Word32 num_mixed_channels_;
- WebRtc_Word32 num_mixed_low_pass_channels_;
- const WebRtc_Word32 samples_per_channel_;
- WebRtc_Word32 samples_per_split_channel_;
- bool reference_copied_;
-
- WebRtc_Word16* data_;
- // TODO(ajm): Prefer to make these vectors if permitted...
- AudioChannel* channels_;
- SplitAudioChannel* split_channels_;
- // TODO(ajm): improve this, we don't need the full 32 kHz space here.
- AudioChannel* mixed_low_pass_channels_;
- AudioChannel* low_pass_reference_channels_;
-};
-} // namespace webrtc
-
-#endif // WEBRTC_MODULES_AUDIO_PROCESSING_MAIN_SOURCE_AUDIO_BUFFER_H_