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Optional: Use nullopt and implicit construction in /modules/audio_coding

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Changes places where we explicitly construct an Optional to instead use
nullopt or the requisite value type only.

This CL was uploaded by git cl split.

R=kwiberg@webrtc.org

Bug: None
Change-Id: I055411a3e521964c81100869a197dd92f5608f1b
Reviewed-on: https://webrtc-review.googlesource.com/23619
Commit-Queue: Oskar Sundbom <ossu@webrtc.org>
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Reviewed-by: Elad Alon <eladalon@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#20728}
This commit is contained in:
Oskar Sundbom
2017-11-16 15:31:38 +01:00
committed by Commit Bot
parent f715c53bca
commit 12ab00b4d8
49 changed files with 435 additions and 570 deletions
Download Patch File Download Diff File Expand all files Collapse all files

68
modules/audio_coding/neteq/neteq_decoder_enum.cc
View File

@ -18,71 +18,67 @@ namespace webrtc {
rtc::Optional<SdpAudioFormat> NetEqDecoderToSdpAudioFormat(NetEqDecoder nd) {
switch (nd) {
case NetEqDecoder::kDecoderPCMu:
return rtc::Optional<SdpAudioFormat>(SdpAudioFormat("pcmu", 8000, 1));
return SdpAudioFormat("pcmu", 8000, 1);
case NetEqDecoder::kDecoderPCMa:
return rtc::Optional<SdpAudioFormat>(SdpAudioFormat("pcma", 8000, 1));
return SdpAudioFormat("pcma", 8000, 1);
case NetEqDecoder::kDecoderPCMu_2ch:
return rtc::Optional<SdpAudioFormat>(SdpAudioFormat("pcmu", 8000, 2));
return SdpAudioFormat("pcmu", 8000, 2);
case NetEqDecoder::kDecoderPCMa_2ch:
return rtc::Optional<SdpAudioFormat>(SdpAudioFormat("pcma", 8000, 2));
return SdpAudioFormat("pcma", 8000, 2);
case NetEqDecoder::kDecoderILBC:
return rtc::Optional<SdpAudioFormat>(SdpAudioFormat("ilbc", 8000, 1));
return SdpAudioFormat("ilbc", 8000, 1);
case NetEqDecoder::kDecoderISAC:
return rtc::Optional<SdpAudioFormat>(SdpAudioFormat("isac", 16000, 1));
return SdpAudioFormat("isac", 16000, 1);
case NetEqDecoder::kDecoderISACswb:
return rtc::Optional<SdpAudioFormat>(SdpAudioFormat("isac", 32000, 1));
return SdpAudioFormat("isac", 32000, 1);
case NetEqDecoder::kDecoderPCM16B:
return rtc::Optional<SdpAudioFormat>(SdpAudioFormat("l16", 8000, 1));
return SdpAudioFormat("l16", 8000, 1);
case NetEqDecoder::kDecoderPCM16Bwb:
return rtc::Optional<SdpAudioFormat>(SdpAudioFormat("l16", 16000, 1));
return SdpAudioFormat("l16", 16000, 1);
case NetEqDecoder::kDecoderPCM16Bswb32kHz:
return rtc::Optional<SdpAudioFormat>(SdpAudioFormat("l16", 32000, 1));
return SdpAudioFormat("l16", 32000, 1);
case NetEqDecoder::kDecoderPCM16Bswb48kHz:
return rtc::Optional<SdpAudioFormat>(SdpAudioFormat("l16", 48000, 1));
return SdpAudioFormat("l16", 48000, 1);
case NetEqDecoder::kDecoderPCM16B_2ch:
return rtc::Optional<SdpAudioFormat>(SdpAudioFormat("l16", 8000, 2));
return SdpAudioFormat("l16", 8000, 2);
case NetEqDecoder::kDecoderPCM16Bwb_2ch:
return rtc::Optional<SdpAudioFormat>(SdpAudioFormat("l16", 16000, 2));
return SdpAudioFormat("l16", 16000, 2);
case NetEqDecoder::kDecoderPCM16Bswb32kHz_2ch:
return rtc::Optional<SdpAudioFormat>(SdpAudioFormat("l16", 32000, 2));
return SdpAudioFormat("l16", 32000, 2);
case NetEqDecoder::kDecoderPCM16Bswb48kHz_2ch:
return rtc::Optional<SdpAudioFormat>(SdpAudioFormat("l16", 48000, 2));
return SdpAudioFormat("l16", 48000, 2);
case NetEqDecoder::kDecoderPCM16B_5ch:
return rtc::Optional<SdpAudioFormat>(SdpAudioFormat("l16", 8000, 5));
return SdpAudioFormat("l16", 8000, 5);
case NetEqDecoder::kDecoderG722:
return rtc::Optional<SdpAudioFormat>(SdpAudioFormat("g722", 8000, 1));
return SdpAudioFormat("g722", 8000, 1);
case NetEqDecoder::kDecoderG722_2ch:
return rtc::Optional<SdpAudioFormat>(SdpAudioFormat("g722", 8000, 2));
return SdpAudioFormat("g722", 8000, 2);
case NetEqDecoder::kDecoderOpus:
return rtc::Optional<SdpAudioFormat>(SdpAudioFormat("opus", 48000, 2));
return SdpAudioFormat("opus", 48000, 2);
case NetEqDecoder::kDecoderOpus_2ch:
return rtc::Optional<SdpAudioFormat>(
SdpAudioFormat("opus", 48000, 2,
std::map<std::string, std::string>{{"stereo", "1"}}));
return SdpAudioFormat(
"opus", 48000, 2,
std::map<std::string, std::string>{{"stereo", "1"}});
case NetEqDecoder::kDecoderRED:
return rtc::Optional<SdpAudioFormat>(SdpAudioFormat("red", 8000, 1));
return SdpAudioFormat("red", 8000, 1);
case NetEqDecoder::kDecoderAVT:
return rtc::Optional<SdpAudioFormat>(
SdpAudioFormat("telephone-event", 8000, 1));
return SdpAudioFormat("telephone-event", 8000, 1);
case NetEqDecoder::kDecoderAVT16kHz:
return rtc::Optional<SdpAudioFormat>(
SdpAudioFormat("telephone-event", 16000, 1));
return SdpAudioFormat("telephone-event", 16000, 1);
case NetEqDecoder::kDecoderAVT32kHz:
return rtc::Optional<SdpAudioFormat>(
SdpAudioFormat("telephone-event", 32000, 1));
return SdpAudioFormat("telephone-event", 32000, 1);
case NetEqDecoder::kDecoderAVT48kHz:
return rtc::Optional<SdpAudioFormat>(
SdpAudioFormat("telephone-event", 48000, 1));
return SdpAudioFormat("telephone-event", 48000, 1);
case NetEqDecoder::kDecoderCNGnb:
return rtc::Optional<SdpAudioFormat>(SdpAudioFormat("cn", 8000, 1));
return SdpAudioFormat("cn", 8000, 1);
case NetEqDecoder::kDecoderCNGwb:
return rtc::Optional<SdpAudioFormat>(SdpAudioFormat("cn", 16000, 1));
return SdpAudioFormat("cn", 16000, 1);
case NetEqDecoder::kDecoderCNGswb32kHz:
return rtc::Optional<SdpAudioFormat>(SdpAudioFormat("cn", 32000, 1));
return SdpAudioFormat("cn", 32000, 1);
case NetEqDecoder::kDecoderCNGswb48kHz:
return rtc::Optional<SdpAudioFormat>(SdpAudioFormat("cn", 48000, 1));
return SdpAudioFormat("cn", 48000, 1);
default:
return rtc::Optional<SdpAudioFormat>();
return rtc::nullopt;
}
}