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1 /* | 1 /* |
2 * Copyright (c) 2013 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2013 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 |
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99 RTC_CHECK_LE(bytes_left, 0); | 99 RTC_CHECK_LE(bytes_left, 0); |
100 // Put the samples that were written to |buffer| but are not used in the | 100 // Put the samples that were written to |buffer| but are not used in the |
101 // cache. | 101 // cache. |
102 size_t cache_location = desired_frame_size_bytes_; | 102 size_t cache_location = desired_frame_size_bytes_; |
103 int8_t* cache_ptr = &buffer[cache_location]; | 103 int8_t* cache_ptr = &buffer[cache_location]; |
104 playout_cached_bytes_ = number_of_requests * bytes_per_10_ms_ - | 104 playout_cached_bytes_ = number_of_requests * bytes_per_10_ms_ - |
105 (desired_frame_size_bytes_ - playout_cached_bytes_); | 105 (desired_frame_size_bytes_ - playout_cached_bytes_); |
106 // If playout_cached_bytes_ is larger than the cache buffer, uninitialized | 106 // If playout_cached_bytes_ is larger than the cache buffer, uninitialized |
107 // memory will be read. | 107 // memory will be read. |
108 RTC_CHECK_LE(playout_cached_bytes_, bytes_per_10_ms_); | 108 RTC_CHECK_LE(playout_cached_bytes_, bytes_per_10_ms_); |
109 RTC_CHECK_EQ(static_cast<size_t>(-bytes_left), playout_cached_bytes_); | 109 RTC_CHECK_EQ(-bytes_left, playout_cached_bytes_); |
110 playout_cached_buffer_start_ = 0; | 110 playout_cached_buffer_start_ = 0; |
111 memcpy(playout_cache_buffer_.get(), cache_ptr, playout_cached_bytes_); | 111 memcpy(playout_cache_buffer_.get(), cache_ptr, playout_cached_bytes_); |
112 } | 112 } |
113 | 113 |
114 void FineAudioBuffer::DeliverRecordedData(const int8_t* buffer, | 114 void FineAudioBuffer::DeliverRecordedData(const int8_t* buffer, |
115 size_t size_in_bytes, | 115 size_t size_in_bytes, |
116 int playout_delay_ms, | 116 int playout_delay_ms, |
117 int record_delay_ms) { | 117 int record_delay_ms) { |
118 // Check if the temporary buffer can store the incoming buffer. If not, | 118 // Check if the temporary buffer can store the incoming buffer. If not, |
119 // move the remaining (old) bytes to the beginning of the temporary buffer | 119 // move the remaining (old) bytes to the beginning of the temporary buffer |
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140 device_buffer_->SetVQEData(playout_delay_ms, record_delay_ms, 0); | 140 device_buffer_->SetVQEData(playout_delay_ms, record_delay_ms, 0); |
141 device_buffer_->DeliverRecordedData(); | 141 device_buffer_->DeliverRecordedData(); |
142 // Read next chunk of 10ms data. | 142 // Read next chunk of 10ms data. |
143 record_read_pos_ += bytes_per_10_ms_; | 143 record_read_pos_ += bytes_per_10_ms_; |
144 // Reduce number of cached bytes with the consumed amount. | 144 // Reduce number of cached bytes with the consumed amount. |
145 record_cached_bytes_ -= bytes_per_10_ms_; | 145 record_cached_bytes_ -= bytes_per_10_ms_; |
146 } | 146 } |
147 } | 147 } |
148 | 148 |
149 } // namespace webrtc | 149 } // namespace webrtc |
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