Rename Maybe to Optional

talk/media/webrtc/webrtcvideoengine2.cc

 /*
  * libjingle
  * Copyright 2014 Google Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  *  1. Redistributions of source code must retain the above copyright notice,
  *     this list of conditions and the following disclaimer.
  *  2. Redistributions in binary form must reproduce the above copyright notice,
@@ skipping 769 matching lines @@
   options_.SetAll(options);
   if (options_.cpu_overuse_detection)
     signal_cpu_adaptation_ = *options_.cpu_overuse_detection;
   rtcp_receiver_report_ssrc_ = kDefaultRtcpReceiverReportSsrc;
   sending_ = false;
   default_send_ssrc_ = 0;
   SetRecvCodecs(recv_codecs);
 }
 
 void WebRtcVideoChannel2::SetDefaultOptions() {
-  options_.cpu_overuse_detection = rtc::Maybe<bool>(true);
-  options_.dscp = rtc::Maybe<bool>(false);
-  options_.suspend_below_min_bitrate = rtc::Maybe<bool>(false);
-  options_.screencast_min_bitrate = rtc::Maybe<int>(0);
+  options_.cpu_overuse_detection = rtc::Optional<bool>(true);
+  options_.dscp = rtc::Optional<bool>(false);
+  options_.suspend_below_min_bitrate = rtc::Optional<bool>(false);
+  options_.screencast_min_bitrate = rtc::Optional<int>(0);
 }
 
 WebRtcVideoChannel2::~WebRtcVideoChannel2() {
   for (auto& kv : send_streams_)
     delete kv.second;
   for (auto& kv : receive_streams_)
     delete kv.second;
 }
 
 bool WebRtcVideoChannel2::CodecIsExternallySupported(
@@ skipping 150 matching lines @@
 
   LOG(LS_INFO) << "Using codec: " << supported_codecs.front().codec.ToString();
 
   if (send_codec_ && supported_codecs.front() == *send_codec_) {
     LOG(LS_INFO) << "Ignore call to SetSendCodecs because first supported "
                     "codec hasn't changed.";
     // Using same codec, avoid reconfiguring.
     return true;
   }
 
-  send_codec_ = rtc::Maybe<WebRtcVideoChannel2::VideoCodecSettings>(
+  send_codec_ = rtc::Optional<WebRtcVideoChannel2::VideoCodecSettings>(
       supported_codecs.front());
 
   rtc::CritScope stream_lock(&stream_crit_);
   LOG(LS_INFO) << "Change the send codec because SetSendCodecs has a different "
                   "first supported codec.";
   for (auto& kv : send_streams_) {
     RTC_DCHECK(kv.second != nullptr);
     kv.second->SetCodec(supported_codecs.front());
   }
   LOG(LS_INFO) << "SetNackAndRemb on all the receive streams because the send "
@@ skipping 723 matching lines @@
        it != send_streams_.end(); ++it) {
     it->second->Stop();
   }
 }
 
 WebRtcVideoChannel2::WebRtcVideoSendStream::VideoSendStreamParameters::
     VideoSendStreamParameters(
         const webrtc::VideoSendStream::Config& config,
         const VideoOptions& options,
         int max_bitrate_bps,
-        const rtc::Maybe<VideoCodecSettings>& codec_settings)
+        const rtc::Optional<VideoCodecSettings>& codec_settings)
     : config(config),
       options(options),
       max_bitrate_bps(max_bitrate_bps),
       codec_settings(codec_settings) {}
 
 WebRtcVideoChannel2::WebRtcVideoSendStream::AllocatedEncoder::AllocatedEncoder(
     webrtc::VideoEncoder* encoder,
     webrtc::VideoCodecType type,
     bool external)
     : encoder(encoder),
       external_encoder(nullptr),
       type(type),
       external(external) {
   if (external) {
     external_encoder = encoder;
     this->encoder =
         new webrtc::VideoEncoderSoftwareFallbackWrapper(type, encoder);
   }
 }
 
 WebRtcVideoChannel2::WebRtcVideoSendStream::WebRtcVideoSendStream(
     webrtc::Call* call,
     const StreamParams& sp,
     const webrtc::VideoSendStream::Config& config,
     WebRtcVideoEncoderFactory* external_encoder_factory,
     const VideoOptions& options,
     int max_bitrate_bps,
-    const rtc::Maybe<VideoCodecSettings>& codec_settings,
+    const rtc::Optional<VideoCodecSettings>& codec_settings,
     const std::vector<webrtc::RtpExtension>& rtp_extensions)
     : ssrcs_(sp.ssrcs),
       ssrc_groups_(sp.ssrc_groups),
       call_(call),
       external_encoder_factory_(external_encoder_factory),
       stream_(NULL),
       parameters_(config, options, max_bitrate_bps, codec_settings),
       allocated_encoder_(NULL, webrtc::kVideoCodecUnknown, false),
       capturer_(NULL),
       sending_(false),
@@ skipping 294 matching lines @@
   }
 
   parameters_.config.rtp.nack.rtp_history_ms =
       HasNack(codec_settings.codec) ? kNackHistoryMs : 0;
 
   RTC_CHECK(options.suspend_below_min_bitrate);
   parameters_.config.suspend_below_min_bitrate =
       *options.suspend_below_min_bitrate;
 
   parameters_.codec_settings =
-      rtc::Maybe<WebRtcVideoChannel2::VideoCodecSettings>(codec_settings);
+      rtc::Optional<WebRtcVideoChannel2::VideoCodecSettings>(codec_settings);
   parameters_.options = options;
 
   LOG(LS_INFO)
       << "RecreateWebRtcStream (send) because of SetCodecAndOptions; options="
       << options.ToString();
   RecreateWebRtcStream();
   if (allocated_encoder_.encoder != new_encoder.encoder) {
     DestroyVideoEncoder(&allocated_encoder_);
     allocated_encoder_ = new_encoder;
   }
@@ skipping 681 matching lines @@
       video_codecs[i].rtx_payload_type = rtx_mapping[video_codecs[i].codec.id];
     }
   }
 
   return video_codecs;
 }
 
 }  // namespace cricket
 
 #endif  // HAVE_WEBRTC_VIDEO