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| | | /************************************************************ |
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| | | * * Hyphenate CONFIDENTIAL |
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| | | * __________________ |
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| | | * Copyright (C) 2016 Hyphenate Inc. All rights reserved. |
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| | | * |
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| | | * NOTICE: All information contained herein is, and remains |
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| | | * the property of Hyphenate Inc. |
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| | | * Dissemination of this information or reproduction of this material |
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| | | * is strictly forbidden unless prior written permission is obtained |
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| | | * from Hyphenate Inc. |
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| | | */ |
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| | | |
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| | | #import "EMCDDeviceManager+Microphone.h" |
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| | | #import "EMAudioRecorderUtil.h" |
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| | | |
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| | | @implementation EMCDDeviceManager (Microphone) |
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| | | |
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| | | // Check the availability for microphone |
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| | | - (BOOL)emCheckMicrophoneAvailability{ |
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| | | __block BOOL ret = NO; |
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| | | AVAudioSession *session = [AVAudioSession sharedInstance]; |
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| | | if ([session respondsToSelector:@selector(requestRecordPermission:)]) { |
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| | | [session performSelector:@selector(requestRecordPermission:) withObject:^(BOOL granted) { |
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| | | ret = granted; |
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| | | }]; |
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| | | } else { |
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| | | ret = YES; |
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| | | } |
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| | | |
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| | | return ret; |
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| | | } |
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| | | |
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| | | // Get the audio volumn (0~1) |
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| | | - (double)emPeekRecorderVoiceMeter{ |
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| | | double ret = 0.0; |
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| | | if ([EMAudioRecorderUtil recorder].isRecording) { |
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| | | [[EMAudioRecorderUtil recorder] updateMeters]; |
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| | | //Average volumn [recorder averagePowerForChannel:0]; |
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| | | //Maximum volumn [recorder peakPowerForChannel:0]; |
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| | | double lowPassResults = pow(10, (0.05 * [[EMAudioRecorderUtil recorder] peakPowerForChannel:0])); |
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| | | ret = lowPassResults; |
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| | | } |
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| | | |
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| | | return ret; |
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| | | } |
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| | | @end |
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