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1 /* | 1 /* |
2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2012 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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158 // type, i.e. they cannot have DTMF or CNG payload type, nor a codec change | 158 // type, i.e. they cannot have DTMF or CNG payload type, nor a codec change |
159 // can be implied by inserting a sync-packet. | 159 // can be implied by inserting a sync-packet. |
160 // Returns kOk on success, kFail on failure. | 160 // Returns kOk on success, kFail on failure. |
161 virtual int InsertSyncPacket(const WebRtcRTPHeader& rtp_header, | 161 virtual int InsertSyncPacket(const WebRtcRTPHeader& rtp_header, |
162 uint32_t receive_timestamp) = 0; | 162 uint32_t receive_timestamp) = 0; |
163 | 163 |
164 // Instructs NetEq to deliver 10 ms of audio data. The data is written to | 164 // Instructs NetEq to deliver 10 ms of audio data. The data is written to |
165 // |audio_frame|. All data in |audio_frame| is wiped; |data_|, |speech_type_|, | 165 // |audio_frame|. All data in |audio_frame| is wiped; |data_|, |speech_type_|, |
166 // |num_channels_|, |sample_rate_hz_|, |samples_per_channel_|, and | 166 // |num_channels_|, |sample_rate_hz_|, |samples_per_channel_|, and |
167 // |vad_activity_| are updated upon success. If an error is returned, some | 167 // |vad_activity_| are updated upon success. If an error is returned, some |
168 // fields may not have been updated. | 168 // fields may not have been updated, or may contain inconsistent values. |
169 // If muted state is enabled (through Config::enable_muted_state), |muted| | 169 // If muted state is enabled (through Config::enable_muted_state), |muted| |
170 // may be set to true after a prolonged expand period. When this happens, the | 170 // may be set to true after a prolonged expand period. When this happens, the |
171 // |data_| in |audio_frame| is not written, but should be interpreted as being | 171 // |data_| in |audio_frame| is not written, but should be interpreted as being |
172 // all zeros. | 172 // all zeros. |
173 // Returns kOK on success, or kFail in case of an error. | 173 // Returns kOK on success, or kFail in case of an error. |
174 virtual int GetAudio(AudioFrame* audio_frame, bool* muted) = 0; | 174 virtual int GetAudio(AudioFrame* audio_frame, bool* muted) = 0; |
175 | 175 |
176 // Associates |rtp_payload_type| with |codec| and |codec_name|, and stores the | 176 // Associates |rtp_payload_type| with |codec| and |codec_name|, and stores the |
177 // information in the codec database. Returns 0 on success, -1 on failure. | 177 // information in the codec database. Returns 0 on success, -1 on failure. |
178 // The name is only used to provide information back to the caller about the | 178 // The name is only used to provide information back to the caller about the |
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301 | 301 |
302 protected: | 302 protected: |
303 NetEq() {} | 303 NetEq() {} |
304 | 304 |
305 private: | 305 private: |
306 RTC_DISALLOW_COPY_AND_ASSIGN(NetEq); | 306 RTC_DISALLOW_COPY_AND_ASSIGN(NetEq); |
307 }; | 307 }; |
308 | 308 |
309 } // namespace webrtc | 309 } // namespace webrtc |
310 #endif // WEBRTC_MODULES_AUDIO_CODING_NETEQ_INCLUDE_NETEQ_H_ | 310 #endif // WEBRTC_MODULES_AUDIO_CODING_NETEQ_INCLUDE_NETEQ_H_ |
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