blob: 6ef1261990c25f73a4493fdb1a1a99e402e7411a [file] [log] [blame]
* 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 "webrtc/modules/audio_device/ios/objc/RTCAudioSessionDelegateAdapter.h"
#include "webrtc/modules/audio_device/ios/audio_session_observer.h"
#import "WebRTC/RTCLogging.h"
@implementation RTCAudioSessionDelegateAdapter {
webrtc::AudioSessionObserver *_observer;
- (instancetype)initWithObserver:(webrtc::AudioSessionObserver *)observer {
if (self = [super init]) {
_observer = observer;
return self;
#pragma mark - RTCAudioSessionDelegate
- (void)audioSessionDidBeginInterruption:(RTCAudioSession *)session {
- (void)audioSessionDidEndInterruption:(RTCAudioSession *)session
shouldResumeSession:(BOOL)shouldResumeSession {
- (void)audioSessionDidChangeRoute:(RTCAudioSession *)session
previousRoute:(AVAudioSessionRouteDescription *)previousRoute {
switch (reason) {
case AVAudioSessionRouteChangeReasonUnknown:
case AVAudioSessionRouteChangeReasonNewDeviceAvailable:
case AVAudioSessionRouteChangeReasonOldDeviceUnavailable:
case AVAudioSessionRouteChangeReasonCategoryChange:
// It turns out that we see a category change (at least in iOS 9.2)
// when making a switch from a BT device to e.g. Speaker using the
// iOS Control Center and that we therefore must check if the sample
// rate has changed. And if so is the case, restart the audio unit.
case AVAudioSessionRouteChangeReasonOverride:
case AVAudioSessionRouteChangeReasonWakeFromSleep:
case AVAudioSessionRouteChangeReasonNoSuitableRouteForCategory:
case AVAudioSessionRouteChangeReasonRouteConfigurationChange:
// The set of input and output ports has not changed, but their
// configuration has, e.g., a port’s selected data source has
// changed. Ignore this type of route change since we are focusing
// on detecting headset changes.
RTCLog(@"Ignoring RouteConfigurationChange");
- (void)audioSessionMediaServerTerminated:(RTCAudioSession *)session {
- (void)audioSessionMediaServerReset:(RTCAudioSession *)session {
- (void)audioSession:(RTCAudioSession *)session
didChangeCanPlayOrRecord:(BOOL)canPlayOrRecord {
- (void)audioSessionDidStartPlayOrRecord:(RTCAudioSession *)session {
- (void)audioSessionDidStopPlayOrRecord:(RTCAudioSession *)session {
- (void)audioSession:(RTCAudioSession *)audioSession
didChangeOutputVolume:(float)outputVolume {