1 /* 2 * libjingle 3 * Copyright 2013 Google Inc. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #import <Foundation/Foundation.h> 29 30 #import "RTCTypes.h" 31 32 @class RTCMediaStreamTrack; 33 @protocol RTCMediaStreamTrackDelegate<NSObject> 34 35 - (void)mediaStreamTrackDidChange:(RTCMediaStreamTrack*)mediaStreamTrack; 36 37 @end 38 39 // RTCMediaStreamTrack implements the interface common to RTCAudioTrack and 40 // RTCVideoTrack. Do not create an instance of this class, rather create one 41 // of the derived classes. 42 @interface RTCMediaStreamTrack : NSObject 43 44 @property(nonatomic, readonly) NSString* kind; 45 @property(nonatomic, readonly) NSString* label; 46 @property(nonatomic, weak) id<RTCMediaStreamTrackDelegate> delegate; 47 48 - (BOOL)isEnabled; 49 - (BOOL)setEnabled:(BOOL)enabled; 50 - (RTCTrackState)state; 51 - (BOOL)setState:(RTCTrackState)state; 52 53 #ifndef DOXYGEN_SHOULD_SKIP_THIS 54 // Disallow init and don't add to documentation 55 - (id)init __attribute__( 56 (unavailable("init is not a supported initializer for this class."))); 57 #endif /* DOXYGEN_SHOULD_SKIP_THIS */ 58 59 @end 60
