blob: 8d66c2a25ca46796f8a8be9d3c84d793a53dd8f1 [file] [log] [blame]
/*
* Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include <map>
#include <string>
#include "modules/audio_coding/neteq/neteq_decoder_enum.h"
namespace webrtc {
rtc::Optional<SdpAudioFormat> NetEqDecoderToSdpAudioFormat(NetEqDecoder nd) {
switch (nd) {
case NetEqDecoder::kDecoderPCMu:
return SdpAudioFormat("pcmu", 8000, 1);
case NetEqDecoder::kDecoderPCMa:
return SdpAudioFormat("pcma", 8000, 1);
case NetEqDecoder::kDecoderPCMu_2ch:
return SdpAudioFormat("pcmu", 8000, 2);
case NetEqDecoder::kDecoderPCMa_2ch:
return SdpAudioFormat("pcma", 8000, 2);
case NetEqDecoder::kDecoderILBC:
return SdpAudioFormat("ilbc", 8000, 1);
case NetEqDecoder::kDecoderISAC:
return SdpAudioFormat("isac", 16000, 1);
case NetEqDecoder::kDecoderISACswb:
return SdpAudioFormat("isac", 32000, 1);
case NetEqDecoder::kDecoderPCM16B:
return SdpAudioFormat("l16", 8000, 1);
case NetEqDecoder::kDecoderPCM16Bwb:
return SdpAudioFormat("l16", 16000, 1);
case NetEqDecoder::kDecoderPCM16Bswb32kHz:
return SdpAudioFormat("l16", 32000, 1);
case NetEqDecoder::kDecoderPCM16Bswb48kHz:
return SdpAudioFormat("l16", 48000, 1);
case NetEqDecoder::kDecoderPCM16B_2ch:
return SdpAudioFormat("l16", 8000, 2);
case NetEqDecoder::kDecoderPCM16Bwb_2ch:
return SdpAudioFormat("l16", 16000, 2);
case NetEqDecoder::kDecoderPCM16Bswb32kHz_2ch:
return SdpAudioFormat("l16", 32000, 2);
case NetEqDecoder::kDecoderPCM16Bswb48kHz_2ch:
return SdpAudioFormat("l16", 48000, 2);
case NetEqDecoder::kDecoderPCM16B_5ch:
return SdpAudioFormat("l16", 8000, 5);
case NetEqDecoder::kDecoderG722:
return SdpAudioFormat("g722", 8000, 1);
case NetEqDecoder::kDecoderG722_2ch:
return SdpAudioFormat("g722", 8000, 2);
case NetEqDecoder::kDecoderOpus:
return SdpAudioFormat("opus", 48000, 2);
case NetEqDecoder::kDecoderOpus_2ch:
return SdpAudioFormat(
"opus", 48000, 2,
std::map<std::string, std::string>{{"stereo", "1"}});
case NetEqDecoder::kDecoderRED:
return SdpAudioFormat("red", 8000, 1);
case NetEqDecoder::kDecoderAVT:
return SdpAudioFormat("telephone-event", 8000, 1);
case NetEqDecoder::kDecoderAVT16kHz:
return SdpAudioFormat("telephone-event", 16000, 1);
case NetEqDecoder::kDecoderAVT32kHz:
return SdpAudioFormat("telephone-event", 32000, 1);
case NetEqDecoder::kDecoderAVT48kHz:
return SdpAudioFormat("telephone-event", 48000, 1);
case NetEqDecoder::kDecoderCNGnb:
return SdpAudioFormat("cn", 8000, 1);
case NetEqDecoder::kDecoderCNGwb:
return SdpAudioFormat("cn", 16000, 1);
case NetEqDecoder::kDecoderCNGswb32kHz:
return SdpAudioFormat("cn", 32000, 1);
case NetEqDecoder::kDecoderCNGswb48kHz:
return SdpAudioFormat("cn", 48000, 1);
default:
return rtc::nullopt;
}
}
} // namespace webrtc