You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
93 lines
3.5 KiB
93 lines
3.5 KiB
/*
|
|
* Copyright 2016 The WebRTC Project Authors. All rights reserved.
|
|
*
|
|
* Use of this source code is governed by a BSD-style license
|
|
* that can be found in the LICENSE file in the root of the source
|
|
* tree. An additional intellectual property rights grant can be found
|
|
* in the file PATENTS. All contributing project authors may
|
|
* be found in the AUTHORS file in the root of the source tree.
|
|
*/
|
|
|
|
#import "RTCAudioSession.h"
|
|
|
|
NS_ASSUME_NONNULL_BEGIN
|
|
|
|
@class RTC_OBJC_TYPE(RTCAudioSessionConfiguration);
|
|
|
|
@interface RTC_OBJC_TYPE (RTCAudioSession)
|
|
()
|
|
|
|
/** Number of times setActive:YES has succeeded without a balanced call to
|
|
* setActive:NO.
|
|
*/
|
|
@property(nonatomic, readonly) int activationCount;
|
|
|
|
/** The number of times |beginWebRTCSession| was called without a balanced call
|
|
* to |endWebRTCSession|.
|
|
*/
|
|
@property(nonatomic, readonly) int webRTCSessionCount;
|
|
|
|
/** Convenience BOOL that checks useManualAudio and isAudioEnebled. */
|
|
@property(readonly) BOOL canPlayOrRecord;
|
|
|
|
/** Tracks whether we have been sent an interruption event that hasn't been matched by either an
|
|
* interrupted end event or a foreground event.
|
|
*/
|
|
@property(nonatomic, assign) BOOL isInterrupted;
|
|
|
|
- (BOOL)checkLock:(NSError **)outError;
|
|
|
|
/** Adds the delegate to the list of delegates, and places it at the front of
|
|
* the list. This delegate will be notified before other delegates of
|
|
* audio events.
|
|
*/
|
|
- (void)pushDelegate:(id<RTC_OBJC_TYPE(RTCAudioSessionDelegate)>)delegate;
|
|
|
|
/** Signals RTCAudioSession that a WebRTC session is about to begin and
|
|
* audio configuration is needed. Will configure the audio session for WebRTC
|
|
* if not already configured and if configuration is not delayed.
|
|
* Successful calls must be balanced by a call to endWebRTCSession.
|
|
*/
|
|
- (BOOL)beginWebRTCSession:(NSError **)outError;
|
|
|
|
/** Signals RTCAudioSession that a WebRTC session is about to end and audio
|
|
* unconfiguration is needed. Will unconfigure the audio session for WebRTC
|
|
* if this is the last unmatched call and if configuration is not delayed.
|
|
*/
|
|
- (BOOL)endWebRTCSession:(NSError **)outError;
|
|
|
|
/** Configure the audio session for WebRTC. This call will fail if the session
|
|
* is already configured. On other failures, we will attempt to restore the
|
|
* previously used audio session configuration.
|
|
* |lockForConfiguration| must be called first.
|
|
* Successful calls to configureWebRTCSession must be matched by calls to
|
|
* |unconfigureWebRTCSession|.
|
|
*/
|
|
- (BOOL)configureWebRTCSession:(NSError **)outError;
|
|
|
|
/** Unconfigures the session for WebRTC. This will attempt to restore the
|
|
* audio session to the settings used before |configureWebRTCSession| was
|
|
* called.
|
|
* |lockForConfiguration| must be called first.
|
|
*/
|
|
- (BOOL)unconfigureWebRTCSession:(NSError **)outError;
|
|
|
|
/** Returns a configuration error with the given description. */
|
|
- (NSError *)configurationErrorWithDescription:(NSString *)description;
|
|
|
|
// Properties and methods for tests.
|
|
- (void)notifyDidBeginInterruption;
|
|
- (void)notifyDidEndInterruptionWithShouldResumeSession:(BOOL)shouldResumeSession;
|
|
- (void)notifyDidChangeRouteWithReason:(AVAudioSessionRouteChangeReason)reason
|
|
previousRoute:(AVAudioSessionRouteDescription *)previousRoute;
|
|
- (void)notifyMediaServicesWereLost;
|
|
- (void)notifyMediaServicesWereReset;
|
|
- (void)notifyDidChangeCanPlayOrRecord:(BOOL)canPlayOrRecord;
|
|
- (void)notifyDidStartPlayOrRecord;
|
|
- (void)notifyDidStopPlayOrRecord;
|
|
- (void)notifyDidDetectPlayoutGlitch:(int64_t)totalNumberOfGlitches;
|
|
|
|
@end
|
|
|
|
NS_ASSUME_NONNULL_END
|