产品百科 ｜ RTC Mac SDK 音视频设备测试说明

NSArray *camList = [self.engine getCameraList];
// 设备名称
NSString *matchDeviceName = /*测试设备名*/;
int camCount = (int)camList.count;
for(int i=0; i<camCount; i++) {
    AliRtcDeviceInfo *deviceInfo = [camList objectAtIndex:i];
    NSString *name = deviceInfo.deviceName;
    if ([name isEqualToString:matchDeviceName]) {
        [self.engine setCurrentCamera:matchDeviceName];
    }
}
// 设备ID
NSString *matchDeviceId = /*测试设备ID*/;
int camCount = (int)camList.count;
for(int i=0; i<camCount; i++) {
    AliRtcDeviceInfo *deviceInfo = [camList objectAtIndex:i];
    NSString *deviceID = deviceInfo.deviceId;
    if ([deviceID isEqualToString:matchDeviceId]) {
        [self.engine setCurrentCameraWithID:matchDeviceId];
    }
}

// 设置预览窗口
AliVideoCanvas *canvas = [[AliVideoCanvas alloc] init];
canvas.renderMode = renderMode;
canvas.view = (AliRenderView *)view;
canvas.mirrorMode = mirrorMode;
[self.engine setLocalViewConfig:canvas forTrack:AliRtcVideoTrackCamera];
[self.engine startPreview];

// 开始测试
NSArray *audioList = [self.engine getAudioCaptures];
AliRtcDeviceInfo *deviceInfo = audioList[0];
[self.engine startTestAudioRecordWithName:deviceInfo.deviceName];
// 回调
- (void)onAudioDeviceRecordLevel:(int)level {
    dispatch_async(dispatch_get_main_queue(), ^{
        NSLog(@"麦克风音量值:%d", level);
    });
}

[self.engine stopTestAudioRecord];

// 开始测试
NSArray *speakerList = [self.engine getAudioRenderers];
AliRtcDeviceInfo *deviceInfo = speakerList[0];
[self.engine startTestAudioPlayoutWithName:deviceInfo.deviceName filePath:path loopCycles:0];
// 回调
- (void)onAudioDevicePlayoutLevel:(int)level {
    dispatch_async(dispatch_get_main_queue(), ^{
        NSLog(@"扬声器音量值:%d", level);
    });
}

[self.engine stopTestAudioPlayout];