Macro-based constraints

third_party/WebKit/Source/platform/exported/WebMediaConstraints.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 352 matching lines @@
 {
     StringBuilder builder;
     builder.append('{');
     maybeEmitNamedBoolean(builder, m_hasExact, "exact", exact());
     maybeEmitNamedBoolean(builder, m_hasIdeal, "ideal", ideal());
     builder.append('}');
     return builder.toString();
 }
 
 WebMediaTrackConstraintSet::WebMediaTrackConstraintSet()
-    : width("width")
-    , height("height")
-    , aspectRatio("aspectRatio")
-    , frameRate("frameRate")
-    , facingMode("facingMode")
-    , volume("volume")
-    , sampleRate("sampleRate")
-    , sampleSize("sampleSize")
-    , echoCancellation("echoCancellation")
-    , latency("latency")
-    , channelCount("channelCount")
-    , deviceId("deviceId")
-    , groupId("groupId")
+    : dummy()
+#define CONSTRAINT_ITEM(lowercase, uppercase, datatype) \
+    , lowercase(#lowercase)
+
+    CONSTRAINT_LIST
+
+#undef CONSTRAINT_ITEM
     , mediaStreamSource("mediaStreamSource")
     , renderToAssociatedSink("chromeRenderToAssociatedSink")
     , hotwordEnabled("hotwordEnabled")
     , googEchoCancellation("googEchoCancellation")
     , googExperimentalEchoCancellation("googExperimentalEchoCancellation")
     , googAutoGainControl("googAutoGainControl")
     , googExperimentalAutoGainControl("googExperimentalAutoGainControl")
     , googNoiseSuppression("googNoiseSuppression")
     , googHighpassFilter("googHighpassFilter")
     , googTypingNoiseDetection("googTypingNoiseDetection")
@@ skipping 25 matching lines @@
     , googHighStartBitrate("googHighStartBitrate")
     , googPayloadPadding("googPayloadPadding")
     , googLatencyMs("latencyMs")
     , googPowerLineFrequency("googPowerLineFrequency")
 {
 }
 
 std::vector<const BaseConstraint*> WebMediaTrackConstraintSet::allConstraints() const
 {
     const BaseConstraint* temp[] = {
-        &width, &height, &aspectRatio, &frameRate, &facingMode, &volume,
-        &sampleRate, &sampleSize, &echoCancellation, &latency, &channelCount,
-        &deviceId, &groupId, &mediaStreamSource, &renderToAssociatedSink,
+#define CONSTRAINT_ITEM(lowercase, uppercase, datatype) &lowercase,
+CONSTRAINT_LIST
+#undef CONSTRAINT_ITEM
+        &mediaStreamSource, &renderToAssociatedSink,
         &hotwordEnabled, &googEchoCancellation,
         &googExperimentalEchoCancellation, &googAutoGainControl,
         &googExperimentalAutoGainControl, &googNoiseSuppression,
         &googHighpassFilter, &googTypingNoiseDetection,
         &googExperimentalNoiseSuppression, &googBeamforming,
         &googArrayGeometry, &googAudioMirroring, &googDAEchoCancellation,
         &googNoiseReduction, &offerToReceiveAudio,
         &offerToReceiveVideo, &voiceActivityDetection, &iceRestart,
         &googUseRtpMux, &enableDtlsSrtp, &enableRtpDataChannels,
         &enableDscp, &enableIPv6, &googEnableVideoSuspendBelowMinBitrate,
@@ skipping 96 matching lines @@
 }
 
 const WebString WebMediaConstraints::toString() const
 {
     if (isNull())
         return WebString("");
     return m_private->toString();
 }
 
 } // namespace blink