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1 /* | 1 /* |
2 * Copyright (c) 2015 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2015 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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174 } | 174 } |
175 | 175 |
176 static rtc::ArrayView<const CodecInst> Database(); | 176 static rtc::ArrayView<const CodecInst> Database(); |
177 | 177 |
178 static rtc::Optional<bool> IsSupportedNumChannels(CodecId codec_id, | 178 static rtc::Optional<bool> IsSupportedNumChannels(CodecId codec_id, |
179 int num_channels); | 179 int num_channels); |
180 | 180 |
181 static rtc::Optional<NetEqDecoder> NetEqDecoderFromCodecId(CodecId codec_id, | 181 static rtc::Optional<NetEqDecoder> NetEqDecoderFromCodecId(CodecId codec_id, |
182 int num_channels); | 182 int num_channels); |
183 | 183 |
| 184 // Parse codec_inst and extract payload types. If the given CodecInst was for |
| 185 // the wrong sort of codec, return kSkip; otherwise, if the rate was illegal, |
| 186 // return kBadFreq; otherwise, update the given RTP timestamp rate (Hz) -> |
| 187 // payload type map and return kOk. |
| 188 enum class RegistrationResult { kOk, kSkip, kBadFreq }; |
| 189 static RegistrationResult RegisterCngPayloadType(std::map<int, int>* pt_map, |
| 190 const CodecInst& codec_inst); |
| 191 static RegistrationResult RegisterRedPayloadType(std::map<int, int>* pt_map, |
| 192 const CodecInst& codec_inst); |
| 193 |
184 RentACodec(); | 194 RentACodec(); |
185 ~RentACodec(); | 195 ~RentACodec(); |
186 | 196 |
187 // Creates and returns an audio encoder built to the given specification. | 197 // Creates and returns an audio encoder built to the given specification. |
188 // Returns null in case of error. The returned encoder is live until the next | 198 // Returns null in case of error. The returned encoder is live until the next |
189 // successful call to this function, or until the Rent-A-Codec is destroyed. | 199 // successful call to this function, or until the Rent-A-Codec is destroyed. |
190 AudioEncoder* RentEncoder(const CodecInst& codec_inst); | 200 AudioEncoder* RentEncoder(const CodecInst& codec_inst); |
191 | 201 |
192 // Creates and returns an audio encoder stack where the given speech encoder | 202 // Creates and returns an audio encoder stack where the given speech encoder |
193 // is augmented with the specified CNG/VAD and RED encoders. Leave either | 203 // is augmented with the specified CNG/VAD and RED encoders. Leave either |
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220 AudioEncoder* encoder_stack_ = nullptr; | 230 AudioEncoder* encoder_stack_ = nullptr; |
221 LockedIsacBandwidthInfo isac_bandwidth_info_; | 231 LockedIsacBandwidthInfo isac_bandwidth_info_; |
222 | 232 |
223 RTC_DISALLOW_COPY_AND_ASSIGN(RentACodec); | 233 RTC_DISALLOW_COPY_AND_ASSIGN(RentACodec); |
224 }; | 234 }; |
225 | 235 |
226 } // namespace acm2 | 236 } // namespace acm2 |
227 } // namespace webrtc | 237 } // namespace webrtc |
228 | 238 |
229 #endif // WEBRTC_MODULES_AUDIO_CODING_MAIN_ACM2_RENT_A_CODEC_H_ | 239 #endif // WEBRTC_MODULES_AUDIO_CODING_MAIN_ACM2_RENT_A_CODEC_H_ |
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