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1 /* | 1 /* |
2 * Copyright (c) 2014 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2014 The WebRTC project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 4 * Use of this source code is governed by a BSD-style license |
5 * that can be found in the LICENSE file in the root of the source | 5 * that can be found in the LICENSE file in the root of the source |
6 * tree. An additional intellectual property rights grant can be found | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
11 #ifndef WEBRTC_INTERNAL_BEAMFORMER_BLOCKER_H_ | 11 #ifndef WEBRTC_INTERNAL_BEAMFORMER_BLOCKER_H_ |
12 #define WEBRTC_INTERNAL_BEAMFORMER_BLOCKER_H_ | 12 #define WEBRTC_INTERNAL_BEAMFORMER_BLOCKER_H_ |
13 | 13 |
14 #include "webrtc/base/scoped_ptr.h" | 14 #include <memory> |
| 15 |
15 #include "webrtc/common_audio/audio_ring_buffer.h" | 16 #include "webrtc/common_audio/audio_ring_buffer.h" |
16 #include "webrtc/common_audio/channel_buffer.h" | 17 #include "webrtc/common_audio/channel_buffer.h" |
17 | 18 |
18 namespace webrtc { | 19 namespace webrtc { |
19 | 20 |
20 // The callback function to process audio in the time domain. Input has already | 21 // The callback function to process audio in the time domain. Input has already |
21 // been windowed, and output will be windowed. The number of input channels | 22 // been windowed, and output will be windowed. The number of input channels |
22 // must be >= the number of output channels. | 23 // must be >= the number of output channels. |
23 class BlockerCallback { | 24 class BlockerCallback { |
24 public: | 25 public: |
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102 // AudioRingBuffer for the output. | 103 // AudioRingBuffer for the output. |
103 AudioRingBuffer input_buffer_; | 104 AudioRingBuffer input_buffer_; |
104 ChannelBuffer<float> output_buffer_; | 105 ChannelBuffer<float> output_buffer_; |
105 | 106 |
106 // Space for the input block (can't wrap because of windowing). | 107 // Space for the input block (can't wrap because of windowing). |
107 ChannelBuffer<float> input_block_; | 108 ChannelBuffer<float> input_block_; |
108 | 109 |
109 // Space for the output block (can't wrap because of overlap/add). | 110 // Space for the output block (can't wrap because of overlap/add). |
110 ChannelBuffer<float> output_block_; | 111 ChannelBuffer<float> output_block_; |
111 | 112 |
112 rtc::scoped_ptr<float[]> window_; | 113 std::unique_ptr<float[]> window_; |
113 | 114 |
114 // The amount of frames between the start of contiguous blocks. For example, | 115 // The amount of frames between the start of contiguous blocks. For example, |
115 // |shift_amount_| = |block_size_| / 2 for a Hann window. | 116 // |shift_amount_| = |block_size_| / 2 for a Hann window. |
116 size_t shift_amount_; | 117 size_t shift_amount_; |
117 | 118 |
118 BlockerCallback* callback_; | 119 BlockerCallback* callback_; |
119 }; | 120 }; |
120 | 121 |
121 } // namespace webrtc | 122 } // namespace webrtc |
122 | 123 |
123 #endif // WEBRTC_INTERNAL_BEAMFORMER_BLOCKER_H_ | 124 #endif // WEBRTC_INTERNAL_BEAMFORMER_BLOCKER_H_ |
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