7.0.202

Author: yangrtc

libmetartc7/src/yangaudiodev/mac/YangAudioDeviceIos.mm

@@ -0,0 +1,151 @@
+//
+// Copyright (c) 2019-2025 yanggaofeng
+//
+#include "YangAudioDeviceIos.h"
+#if Yang_OS_IOS
+
+#include <yangutil/sys/YangLog.h>
+#import <Foundation/Foundation.h>
+#import <AudioToolbox/AudioToolbox.h>
+#import <AVFAudio/AVAudioSession.h>
+
+static int32_t yang_ios_audio_getDefaultDevice(YangIosAudio* audio){
+	uint32_t flag=1;
+	OSStatus status;
+	AudioUnitElement busType=audio->isInput?1:0;
+	AudioComponentDescription audioDesc;
+	audioDesc.componentType = kAudioUnitType_Output;
+	audioDesc.componentSubType = kAudioUnitSubType_RemoteIO;//kAudioUnitSubType_RemoteIO;//kAudioUnitSubType_VoiceProcessingIO;
+	audioDesc.componentManufacturer = kAudioUnitManufacturer_Apple;
+	audioDesc.componentFlags = 0;
+	audioDesc.componentFlagsMask = 0;
+
+	AudioComponent audioComponent = AudioComponentFindNext(NULL, &audioDesc);
+
+	AudioComponentInstanceNew(audioComponent, &audio->audioUnit);
+
+	status = AudioUnitSetProperty(audio->audioUnit,
+			kAudioOutputUnitProperty_EnableIO,
+			audio->isInput?kAudioUnitScope_Input:kAudioUnitScope_Output,
+					busType,&flag,sizeof(flag));
+
+	if(status!=noErr){
+		if(audio->isInput)
+			yang_error("ios input audio fail(%d)",(int32_t)status);
+		else
+			yang_error("ios output audio fail(%d)",(int32_t)status);
+		return 1;
+	}
+
+	return Yang_Ok;
+}
+
+
+int32_t yang_ios_audio_init(YangIosAudio* audio,uint32_t sample,uint32_t channel)
+{
+	OSStatus status=noErr;
+	AudioUnitElement busType=audio->isInput?1:0;
+	AudioStreamBasicDescription desc;
+	uint32_t size = sizeof(desc);
+	int32_t tryTimes = 0;
+	yang_memset(&desc,0,sizeof(desc));
+    
+    if(yang_ios_audio_getDefaultDevice(audio)!=Yang_Ok)
+        return 1;
+
+	if(audio->isInput){
+		status=AudioUnitSetProperty(audio->audioUnit,
+				kAudioOutputUnitProperty_SetInputCallback,
+				kAudioUnitScope_Global, busType,
+				&audio->callback, sizeof(audio->callback));	
+	}else{
+
+		status = AudioUnitSetProperty(
+				audio->audioUnit, kAudioUnitProperty_SetRenderCallback, kAudioUnitScope_Input,
+				busType, &audio->callback, sizeof(audio->callback));
+	}
+	yang_memset(&desc,0,sizeof(desc));
+
+	desc.mSampleRate = (Float64 )sample;
+	desc.mFormatID   = kAudioFormatLinearPCM;
+#if Yang_Enable_MacAudioFloat
+    desc.mFormatFlags = kAudioFormatFlagIsFloat | kAudioFormatFlagIsPacked;
+    desc.mFramesPerPacket = 1;
+    desc.mChannelsPerFrame = channel;
+    desc.mBitsPerChannel = 32;
+    desc.mBytesPerPacket = desc.mBytesPerFrame = desc.mChannelsPerFrame * sizeof(float);
+    desc.mBytesPerFrame = desc.mChannelsPerFrame * sizeof(float);
+#else
+    desc.mFormatFlags      = kLinearPCMFormatFlagIsSignedInteger|kLinearPCMFormatFlagIsPacked;
+    desc.mFramesPerPacket = 1;
+    desc.mChannelsPerFrame = channel;
+    desc.mBitsPerChannel   = 16;
+    desc.mBytesPerPacket = desc.mBytesPerFrame = desc.mChannelsPerFrame * sizeof(int16_t);
+    desc.mBytesPerFrame = desc.mChannelsPerFrame * sizeof(int16_t);
+#endif
+	if(audio->isInput){
+		status= AudioUnitSetProperty(audio->audioUnit, kAudioUnitProperty_StreamFormat,
+				kAudioUnitScope_Output, busType, &desc, size);
+	}else{
+		status=AudioUnitSetProperty(audio->audioUnit, kAudioUnitProperty_StreamFormat,
+				kAudioUnitScope_Input, busType, &desc, size);
+	}
+
+	if(status!=noErr){
+		yang_error("get ios %s format failed(%d),sample=%d,channel=%d",audio->isInput?(char*)"capture":(char*)"render",(int)status,sample,channel);
+		return 1;
+	}
+
+	status = AudioUnitInitialize(audio->audioUnit);
+	while(status!=noErr){
+		++tryTimes;
+		if (tryTimes == 5)
+			break;
+
+		yang_usleep(100*1000);
+
+		status = AudioUnitInitialize(audio->audioUnit);
+	}
+
+	if (status != noErr) {
+		//kAudioUnitErr_FailedInitialization
+		yang_error("ios init (%s) audio unit error(%d)", audio->isInput?(char*)"capture":(char*)"render",(int)status);
+		return 1;
+	}
+
+	return Yang_Ok;
+}
+
+void yang_ios_audio_uninit(YangIosAudio* audio){
+	AudioUnitUninitialize(audio->audioUnit);
+	AudioComponentInstanceDispose(audio->audioUnit);
+}
+
+
+int32_t yang_ios_init_AudioSession(uint32_t *sample,int32_t audioType){
+	AVAudioSession *audioSession = [AVAudioSession sharedInstance];
+	NSError *error = nil;
+    // 设置音频会话类别
+    if(audioType==0){
+        [audioSession setCategory:AVAudioSessionCategoryRecord error:&error];
+    }else if(audioType==1){
+        [audioSession setCategory:AVAudioSessionCategoryPlayback error:&error];
+    }
+   
+    if (error) {
+        NSLog(@"设置音频会话类别失败: %@", error);
+        return 1;
+    }
+    
+    // 激活音频会话
+    [audioSession setActive:YES error:&error];
+    if (error) {
+        NSLog(@"激活音频会话失败: %@", error);
+        return 1;
+    }
+    
+    //*sample = audioSession.sampleRate;
+	return Yang_Ok;
+}
+
+#endif