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| 1 /* |
| 2 * Copyright (c) 2017 The WebRTC project authors. All Rights Reserved. |
| 3 * |
| 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 |
| 6 * tree. An additional intellectual property rights grant can be found |
| 7 * in the file PATENTS. All contributing project authors may |
| 8 * be found in the AUTHORS file in the root of the source tree. |
| 9 */ |
| 10 |
| 11 #include <map> |
| 12 #include <string> |
| 13 |
| 14 #include "webrtc/modules/audio_coding/neteq/neteq_decoder_enum.h" |
| 15 |
| 16 namespace webrtc { |
| 17 |
| 18 rtc::Optional<SdpAudioFormat> NetEqDecoderToSdpAudioFormat(NetEqDecoder nd) { |
| 19 switch (nd) { |
| 20 case NetEqDecoder::kDecoderPCMu: |
| 21 return rtc::Optional<SdpAudioFormat>(SdpAudioFormat("pcmu", 8000, 1)); |
| 22 case NetEqDecoder::kDecoderPCMa: |
| 23 return rtc::Optional<SdpAudioFormat>(SdpAudioFormat("pcma", 8000, 1)); |
| 24 case NetEqDecoder::kDecoderPCMu_2ch: |
| 25 return rtc::Optional<SdpAudioFormat>(SdpAudioFormat("pcmu", 8000, 2)); |
| 26 case NetEqDecoder::kDecoderPCMa_2ch: |
| 27 return rtc::Optional<SdpAudioFormat>(SdpAudioFormat("pcma", 8000, 2)); |
| 28 case NetEqDecoder::kDecoderILBC: |
| 29 return rtc::Optional<SdpAudioFormat>(SdpAudioFormat("ilbc", 8000, 1)); |
| 30 case NetEqDecoder::kDecoderISAC: |
| 31 return rtc::Optional<SdpAudioFormat>(SdpAudioFormat("isac", 16000, 1)); |
| 32 case NetEqDecoder::kDecoderISACswb: |
| 33 return rtc::Optional<SdpAudioFormat>(SdpAudioFormat("isac", 32000, 1)); |
| 34 case NetEqDecoder::kDecoderPCM16B: |
| 35 return rtc::Optional<SdpAudioFormat>(SdpAudioFormat("l16", 8000, 1)); |
| 36 case NetEqDecoder::kDecoderPCM16Bwb: |
| 37 return rtc::Optional<SdpAudioFormat>(SdpAudioFormat("l16", 16000, 1)); |
| 38 case NetEqDecoder::kDecoderPCM16Bswb32kHz: |
| 39 return rtc::Optional<SdpAudioFormat>(SdpAudioFormat("l16", 32000, 1)); |
| 40 case NetEqDecoder::kDecoderPCM16Bswb48kHz: |
| 41 return rtc::Optional<SdpAudioFormat>(SdpAudioFormat("l16", 48000, 1)); |
| 42 case NetEqDecoder::kDecoderPCM16B_2ch: |
| 43 return rtc::Optional<SdpAudioFormat>(SdpAudioFormat("l16", 8000, 2)); |
| 44 case NetEqDecoder::kDecoderPCM16Bwb_2ch: |
| 45 return rtc::Optional<SdpAudioFormat>(SdpAudioFormat("l16", 16000, 2)); |
| 46 case NetEqDecoder::kDecoderPCM16Bswb32kHz_2ch: |
| 47 return rtc::Optional<SdpAudioFormat>(SdpAudioFormat("l16", 32000, 2)); |
| 48 case NetEqDecoder::kDecoderPCM16Bswb48kHz_2ch: |
| 49 return rtc::Optional<SdpAudioFormat>(SdpAudioFormat("l16", 48000, 2)); |
| 50 case NetEqDecoder::kDecoderPCM16B_5ch: |
| 51 return rtc::Optional<SdpAudioFormat>(SdpAudioFormat("l16", 8000, 5)); |
| 52 case NetEqDecoder::kDecoderG722: |
| 53 return rtc::Optional<SdpAudioFormat>(SdpAudioFormat("g722", 8000, 1)); |
| 54 case NetEqDecoder::kDecoderG722_2ch: |
| 55 return rtc::Optional<SdpAudioFormat>(SdpAudioFormat("g722", 8000, 2)); |
| 56 case NetEqDecoder::kDecoderOpus: |
| 57 return rtc::Optional<SdpAudioFormat>(SdpAudioFormat("opus", 48000, 2)); |
| 58 case NetEqDecoder::kDecoderOpus_2ch: |
| 59 return rtc::Optional<SdpAudioFormat>( |
| 60 SdpAudioFormat("opus", 48000, 2, |
| 61 std::map<std::string, std::string>{{"stereo", "1"}})); |
| 62 case NetEqDecoder::kDecoderRED: |
| 63 return rtc::Optional<SdpAudioFormat>(SdpAudioFormat("red", 8000, 1)); |
| 64 case NetEqDecoder::kDecoderAVT: |
| 65 return rtc::Optional<SdpAudioFormat>( |
| 66 SdpAudioFormat("telephone-event", 8000, 1)); |
| 67 case NetEqDecoder::kDecoderAVT16kHz: |
| 68 return rtc::Optional<SdpAudioFormat>( |
| 69 SdpAudioFormat("telephone-event", 16000, 1)); |
| 70 case NetEqDecoder::kDecoderAVT32kHz: |
| 71 return rtc::Optional<SdpAudioFormat>( |
| 72 SdpAudioFormat("telephone-event", 32000, 1)); |
| 73 case NetEqDecoder::kDecoderAVT48kHz: |
| 74 return rtc::Optional<SdpAudioFormat>( |
| 75 SdpAudioFormat("telephone-event", 48000, 1)); |
| 76 case NetEqDecoder::kDecoderCNGnb: |
| 77 return rtc::Optional<SdpAudioFormat>(SdpAudioFormat("cn", 8000, 1)); |
| 78 case NetEqDecoder::kDecoderCNGwb: |
| 79 return rtc::Optional<SdpAudioFormat>(SdpAudioFormat("cn", 16000, 1)); |
| 80 case NetEqDecoder::kDecoderCNGswb32kHz: |
| 81 return rtc::Optional<SdpAudioFormat>(SdpAudioFormat("cn", 32000, 1)); |
| 82 case NetEqDecoder::kDecoderCNGswb48kHz: |
| 83 return rtc::Optional<SdpAudioFormat>(SdpAudioFormat("cn", 48000, 1)); |
| 84 default: |
| 85 return rtc::Optional<SdpAudioFormat>(); |
| 86 } |
| 87 } |
| 88 |
| 89 } // namespace webrtc |
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