Update WebRTC to M61+Signal

// FREEBIE

Build/iOS/WebRTC.framework/Headers/RTCCameraVideoCapturer.h

@@ -9,6 +9,7 @@
  */
 
 #import <Foundation/Foundation.h>
+#import <AVFoundation/AVFoundation.h>
 
 #import <WebRTC/RTCMacros.h>
 #import <WebRTC/RTCVideoCapturer.h>
@@ -20,6 +21,9 @@ RTC_EXPORT
 // (usually RTCVideoSource).
 @interface RTCCameraVideoCapturer : RTCVideoCapturer
 
+// Capture session that is used for capturing. Valid from initialization to dealloc.
+@property(readonly, nonatomic) AVCaptureSession *captureSession;
+
 // Returns list of available capture devices that support video capture.
 + (NSArray<AVCaptureDevice *> *)captureDevices;
 // Returns list of formats that are supported by this class for this device.
@@ -28,13 +32,10 @@ RTC_EXPORT
 // Starts and stops the capture session asynchronously.
 - (void)startCaptureWithDevice:(AVCaptureDevice *)device
                         format:(AVCaptureDeviceFormat *)format
-                           fps:(int)fps;
+                           fps:(NSInteger)fps;
 // Stops the capture session asynchronously.
 - (void)stopCapture;
 
-// Capture session that is used for capturing. Valid from initialization to dealloc.
-@property(readonly, nonatomic) AVCaptureSession *captureSession;
-
 @end
 
 NS_ASSUME_NONNULL_END

Build/iOS/WebRTC.framework/Headers/RTCConfiguration.h

@@ -13,6 +13,7 @@
 #import <WebRTC/RTCMacros.h>
 
 @class RTCIceServer;
+@class RTCIntervalRange;
 
 /**
  * Represents the ice transport policy. This exposes the same states in C++,
@@ -109,6 +110,13 @@ RTC_EXPORT
  */
 @property(nonatomic, copy, nullable) NSNumber *iceCheckMinInterval;
 
+/** ICE Periodic Regathering
+ *  If set, WebRTC will periodically create and propose candidates without
+ *  starting a new ICE generation. The regathering happens continuously with
+ *  interval specified in milliseconds by the uniform distribution [a, b].
+ */
+@property(nonatomic, strong, nullable) RTCIntervalRange *iceRegatherIntervalRange;
+
 - (instancetype)init;
 
 @end

Build/iOS/WebRTC.framework/Headers/RTCDispatcher.h

@@ -37,4 +37,9 @@ RTC_EXPORT
 + (void)dispatchAsyncOnType:(RTCDispatcherQueueType)dispatchType
                       block:(dispatch_block_t)block;
 
+/** Returns YES if run on queue for the dispatchType otherwise NO.
+ *  Useful for asserting that a method is run on a correct queue.
+ */
++ (BOOL)isOnQueueForType:(RTCDispatcherQueueType)dispatchType;
+
 @end

Build/iOS/WebRTC.framework/Headers/RTCEAGLVideoView.h

@@ -13,6 +13,7 @@
 
 #import <WebRTC/RTCMacros.h>
 #import <WebRTC/RTCVideoRenderer.h>
+#import <WebRTC/RTCVideoViewShading.h>
 
 NS_ASSUME_NONNULL_BEGIN
 
@@ -26,13 +27,19 @@ RTC_EXPORT
 
 /**
  * RTCEAGLVideoView is an RTCVideoRenderer which renders video frames in its
- * bounds using OpenGLES 2.0.
+ * bounds using OpenGLES 2.0 or OpenGLES 3.0.
  */
 RTC_EXPORT
 @interface RTCEAGLVideoView : UIView <RTCVideoRenderer>
 
 @property(nonatomic, weak) id<RTCEAGLVideoViewDelegate> delegate;
 
+- (instancetype)initWithFrame:(CGRect)frame
+                       shader:(id<RTCVideoViewShading>)shader NS_DESIGNATED_INITIALIZER;
+
+- (instancetype)initWithCoder:(NSCoder *)aDecoder
+                       shader:(id<RTCVideoViewShading>)shader NS_DESIGNATED_INITIALIZER;
+
 @end
 
 NS_ASSUME_NONNULL_END

Build/iOS/WebRTC.framework/Headers/RTCFieldTrials.h

@@ -19,6 +19,7 @@ RTC_EXTERN NSString * const kRTCFieldTrialFlexFec03AdvertisedKey;
 RTC_EXTERN NSString * const kRTCFieldTrialFlexFec03Key;
 RTC_EXTERN NSString * const kRTCFieldTrialImprovedBitrateEstimateKey;
 RTC_EXTERN NSString * const kRTCFieldTrialH264HighProfileKey;
+RTC_EXTERN NSString * const kRTCFieldTrialMinimizeResamplingOnMobileKey;
 
 /** The valid value for field trials above. */
 RTC_EXTERN NSString * const kRTCFieldTrialEnabledValue;

Build/iOS/WebRTC.framework/Headers/RTCIceServer.h

@@ -36,6 +36,13 @@ RTC_EXPORT
  */
 @property(nonatomic, readonly) RTCTlsCertPolicy tlsCertPolicy;
 
+/**
+  If the URIs in |urls| only contain IP addresses, this field can be used
+  to indicate the hostname, which may be necessary for TLS (using the SNI
+  extension). If |urls| itself contains the hostname, this isn't necessary.
+ */
+@property(nonatomic, readonly, nullable) NSString *hostname;
+
 - (nonnull instancetype)init NS_UNAVAILABLE;
 
 /** Convenience initializer for a server with no authentication (e.g. STUN). */
@@ -53,11 +60,20 @@ RTC_EXPORT
  * Initialize an RTCIceServer with its associated URLs, optional username,
  * optional credential, and TLS cert policy.
  */
+- (instancetype)initWithURLStrings:(NSArray<NSString *> *)urlStrings
+                          username:(nullable NSString *)username
+                        credential:(nullable NSString *)credential
+                     tlsCertPolicy:(RTCTlsCertPolicy)tlsCertPolicy;
+
+/**
+ * Initialize an RTCIceServer with its associated URLs, optional username,
+ * optional credential, TLS cert policy and hostname.
+ */
 - (instancetype)initWithURLStrings:(NSArray<NSString *> *)urlStrings
                           username:(nullable NSString *)username
                         credential:(nullable NSString *)credential
                      tlsCertPolicy:(RTCTlsCertPolicy)tlsCertPolicy
-    NS_DESIGNATED_INITIALIZER;
+                          hostname:(nullable NSString *)hostname NS_DESIGNATED_INITIALIZER;
 
 @end
 

Build/iOS/WebRTC.framework/Headers/RTCMTLVideoView.h

@@ -25,6 +25,8 @@ NS_ASSUME_NONNULL_BEGIN
  *
  * It has id<RTCVideoRenderer> property that renders video frames in the view's
  * bounds using Metal.
+ * NOTE: always check if metal is available on the running device via
+ * RTC_SUPPORTS_METAL macro before initializing this class.
  */
 NS_CLASS_AVAILABLE_IOS(9)
 

Build/iOS/WebRTC.framework/Headers/RTCMacros.h

@@ -8,8 +8,8 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#ifndef WEBRTC_BASE_OBJC_RTC_MACROS_H_
-#define WEBRTC_BASE_OBJC_RTC_MACROS_H_
+#ifndef WEBRTC_SDK_OBJC_FRAMEWORK_HEADERS_WEBRTC_RTCMACROS_H_
+#define WEBRTC_SDK_OBJC_FRAMEWORK_HEADERS_WEBRTC_RTCMACROS_H_
 
 #define RTC_EXPORT __attribute__((visibility("default")))
 
@@ -25,4 +25,4 @@
 #define RTC_FWD_DECL_OBJC_CLASS(classname) typedef struct objc_object classname
 #endif
 
-#endif  // WEBRTC_BASE_OBJC_RTC_MACROS_H_
+#endif  // WEBRTC_SDK_OBJC_FRAMEWORK_HEADERS_WEBRTC_RTCMACROS_H_

Build/iOS/WebRTC.framework/Headers/RTCMediaConstraints.h

@@ -14,6 +14,7 @@
 
 NS_ASSUME_NONNULL_BEGIN
 
+/** Constraint keys for media sources. */
 RTC_EXTERN NSString * const kRTCMediaConstraintsMinAspectRatio;
 RTC_EXTERN NSString * const kRTCMediaConstraintsMaxAspectRatio;
 RTC_EXTERN NSString * const kRTCMediaConstraintsMaxWidth;
@@ -28,6 +29,13 @@ RTC_EXTERN NSString * const kRTCMediaConstraintsLevelControl;
  */
 RTC_EXTERN NSString * const kRTCMediaConstraintsAudioNetworkAdaptorConfig;
 
+/** Constraint keys for generating offers and answers. */
+RTC_EXTERN NSString * const kRTCMediaConstraintsIceRestart;
+RTC_EXTERN NSString * const kRTCMediaConstraintsOfferToReceiveAudio;
+RTC_EXTERN NSString * const kRTCMediaConstraintsOfferToReceiveVideo;
+RTC_EXTERN NSString * const kRTCMediaConstraintsVoiceActivityDetection;
+
+/** Constraint values for Boolean parameters. */
 RTC_EXTERN NSString * const kRTCMediaConstraintsValueTrue;
 RTC_EXTERN NSString * const kRTCMediaConstraintsValueFalse;
 

Build/iOS/WebRTC.framework/Headers/RTCSSLAdapter.h

@@ -14,7 +14,7 @@
 
 /**
  * Initialize and clean up the SSL library. Failure is fatal. These call the
- * corresponding functions in webrtc/base/ssladapter.h.
+ * corresponding functions in webrtc/rtc_base/ssladapter.h.
  */
 RTC_EXTERN BOOL RTCInitializeSSL();
 RTC_EXTERN BOOL RTCCleanupSSL();

Build/iOS/WebRTC.framework/Headers/RTCVideoFrame.h

@@ -22,6 +22,8 @@ typedef NS_ENUM(NSInteger, RTCVideoRotation) {
   RTCVideoRotation_270 = 270,
 };
 
+@protocol RTCVideoFrameBuffer;
+
 // RTCVideoFrame is an ObjectiveC version of webrtc::VideoFrame.
 RTC_EXPORT
 @interface RTCVideoFrame : NSObject
@@ -36,27 +38,35 @@ RTC_EXPORT
  *  is null. It is always possible to get such a frame by calling
  *  newI420VideoFrame.
  */
-@property(nonatomic, readonly, nullable) const uint8_t *dataY;
-@property(nonatomic, readonly, nullable) const uint8_t *dataU;
-@property(nonatomic, readonly, nullable) const uint8_t *dataV;
-@property(nonatomic, readonly) int strideY;
-@property(nonatomic, readonly) int strideU;
-@property(nonatomic, readonly) int strideV;
+@property(nonatomic, readonly, nullable)
+    const uint8_t *dataY DEPRECATED_MSG_ATTRIBUTE("use [buffer toI420]");
+@property(nonatomic, readonly, nullable)
+    const uint8_t *dataU DEPRECATED_MSG_ATTRIBUTE("use [buffer toI420]");
+@property(nonatomic, readonly, nullable)
+    const uint8_t *dataV DEPRECATED_MSG_ATTRIBUTE("use [buffer toI420]");
+@property(nonatomic, readonly) int strideY DEPRECATED_MSG_ATTRIBUTE("use [buffer toI420]");
+@property(nonatomic, readonly) int strideU DEPRECATED_MSG_ATTRIBUTE("use [buffer toI420]");
+@property(nonatomic, readonly) int strideV DEPRECATED_MSG_ATTRIBUTE("use [buffer toI420]");
 
 /** Timestamp in nanoseconds. */
 @property(nonatomic, readonly) int64_t timeStampNs;
 
 /** The native handle should be a pixel buffer on iOS. */
-@property(nonatomic, readonly) CVPixelBufferRef nativeHandle;
+@property(nonatomic, readonly)
+    CVPixelBufferRef nativeHandle DEPRECATED_MSG_ATTRIBUTE("use buffer instead");
+
+@property(nonatomic, readonly) id<RTCVideoFrameBuffer> buffer;
 
 - (instancetype)init NS_UNAVAILABLE;
 - (instancetype)new NS_UNAVAILABLE;
 
 /** Initialize an RTCVideoFrame from a pixel buffer, rotation, and timestamp.
+ *  Deprecated - initialize with a RTCCVPixelBuffer instead
  */
 - (instancetype)initWithPixelBuffer:(CVPixelBufferRef)pixelBuffer
                            rotation:(RTCVideoRotation)rotation
-                        timeStampNs:(int64_t)timeStampNs;
+                        timeStampNs:(int64_t)timeStampNs
+    DEPRECATED_MSG_ATTRIBUTE("use initWithBuffer instead");
 
 /** Initialize an RTCVideoFrame from a pixel buffer combined with cropping and
  *  scaling. Cropping will be applied first on the pixel buffer, followed by
@@ -70,7 +80,14 @@ RTC_EXPORT
                               cropX:(int)cropX
                               cropY:(int)cropY
                            rotation:(RTCVideoRotation)rotation
-                        timeStampNs:(int64_t)timeStampNs;
+                        timeStampNs:(int64_t)timeStampNs
+    DEPRECATED_MSG_ATTRIBUTE("use initWithBuffer instead");
+
+/** Initialize an RTCVideoFrame from a frame buffer, rotation, and timestamp.
+ */
+- (instancetype)initWithBuffer:(id<RTCVideoFrameBuffer>)frameBuffer
+                      rotation:(RTCVideoRotation)rotation
+                   timeStampNs:(int64_t)timeStampNs;
 
 /** Return a frame that is guaranteed to be I420, i.e. it is possible to access
  *  the YUV data on it.

Build/iOS/WebRTC.framework/Headers/WebRTC.h

@@ -27,6 +27,7 @@
 #import <WebRTC/RTCFileLogger.h>
 #import <WebRTC/RTCIceCandidate.h>
 #import <WebRTC/RTCIceServer.h>
+#import <WebRTC/RTCIntervalRange.h>
 #import <WebRTC/RTCLegacyStatsReport.h>
 #import <WebRTC/RTCLogging.h>
 #import <WebRTC/RTCMacros.h>

Build/iOS/WebRTC.framework/LICENSE.html

@@ -696,96 +696,12 @@
 # NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 # SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-</pre>
-<p>expat<br/></p>
-<pre>
-Copyright (c) 1998-2000 Thai Open Source Software Center Ltd and Clark Cooper
-Copyright (c) 2001-2016 Expat maintainers
-
-Permission is hereby granted, free of charge, to any person obtaining
-a copy of this software and associated documentation files (the
-&quot;Software&quot;), to deal in the Software without restriction, including
-without limitation the rights to use, copy, modify, merge, publish,
-distribute, sublicense, and/or sell copies of the Software, and to
-permit persons to whom the Software is furnished to do so, subject to
-the following conditions:
-
-The above copyright notice and this permission notice shall be included
-in all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED &quot;AS IS&quot;, WITHOUT WARRANTY OF ANY KIND,
-EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
-IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
-CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
-TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
-SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-</pre>
-<p>jsoncpp<br/></p>
-<pre>
-The JsonCpp library's source code, including accompanying documentation, 
-tests and demonstration applications, are licensed under the following
-conditions...
-
-The author (Baptiste Lepilleur) explicitly disclaims copyright in all 
-jurisdictions which recognize such a disclaimer. In such jurisdictions, 
-this software is released into the Public Domain.
-
-In jurisdictions which do not recognize Public Domain property (e.g. Germany as of
-2010), this software is Copyright (c) 2007-2010 by Baptiste Lepilleur, and is
-released under the terms of the MIT License (see below).
-
-In jurisdictions which recognize Public Domain property, the user of this 
-software may choose to accept it either as 1) Public Domain, 2) under the 
-conditions of the MIT License (see below), or 3) under the terms of dual 
-Public Domain/MIT License conditions described here, as they choose.
-
-The MIT License is about as close to Public Domain as a license can get, and is
-described in clear, concise terms at:
-
-   http://en.wikipedia.org/wiki/MIT_License
-
-The full text of the MIT License follows:
-
-========================================================================
-Copyright (c) 2007-2010 Baptiste Lepilleur
-
-Permission is hereby granted, free of charge, to any person
-obtaining a copy of this software and associated documentation
-files (the &quot;Software&quot;), to deal in the Software without
-restriction, including without limitation the rights to use, copy,
-modify, merge, publish, distribute, sublicense, and/or sell copies
-of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be
-included in all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED &quot;AS IS&quot;, WITHOUT WARRANTY OF ANY KIND,
-EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
-BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
-ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.
-========================================================================
-(END LICENSE TEXT)
-
-The MIT license is compatible with both the GPL and commercial
-software, affording one all of the rights of Public Domain with the
-minor nuisance of being required to keep the above copyright notice
-and license text in the source code. Note also that by accepting the
-Public Domain &quot;license&quot; you can re-license your copy using whatever
-license you like.
-
 </pre>
 <p>libsrtp<br/></p>
 <pre>
 /*
  *	
- * Copyright (c) 2001-2006 Cisco Systems, Inc.
+ * Copyright (c) 2001-2017 Cisco Systems, Inc.
  * All rights reserved.
  * 
  * Redistribution and use in source and binary forms, with or without