当前位置: 首页>>代码示例>>C++>>正文


C++ AudioOutputPtr::playSine方法代码示例

本文整理汇总了C++中AudioOutputPtr::playSine方法的典型用法代码示例。如果您正苦于以下问题:C++ AudioOutputPtr::playSine方法的具体用法?C++ AudioOutputPtr::playSine怎么用?C++ AudioOutputPtr::playSine使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在AudioOutputPtr的用法示例。


在下文中一共展示了AudioOutputPtr::playSine方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: encodeAudioFrame


//.........这里部分代码省略.........
	}

	sum=1.0f;
	for (i=0;i<iFrameSize;i++)
		sum += static_cast<float>(psSource[i] * psSource[i]);
	float micLevel = sqrtf(sum / static_cast<float>(iFrameSize));
	dPeakSignal=20.0f*log10f(micLevel / 32768.0f);
	if (dPeakSignal < -96.0f)
		dPeakSignal = -96.0f;

	spx_int32_t prob = 0;
	speex_preprocess_ctl(sppPreprocess, SPEEX_PREPROCESS_GET_PROB, &prob);
	fSpeechProb = static_cast<float>(prob) / 100.0f;

	float level = (g.s.vsVAD == Settings::SignalToNoise) ? fSpeechProb : (1.0f + dPeakMic / 96.0f);

	if (level > g.s.fVADmax)
		iIsSpeech = 1;
	else if (level > g.s.fVADmin && bPreviousVoice)
		iIsSpeech = 1;
	else
		iIsSpeech = 0;

	if (! iIsSpeech) {
		iHoldFrames++;
		if (iHoldFrames < g.s.iVoiceHold)
			iIsSpeech=1;
	} else {
		iHoldFrames = 0;
	}

	if (g.s.atTransmit == Settings::Continous)
		iIsSpeech = 1;
	else if (g.s.atTransmit == Settings::PushToTalk)
		iIsSpeech = g.s.uiDoublePush && ((g.uiDoublePush < g.s.uiDoublePush) || (g.tDoublePush.elapsed() < g.s.uiDoublePush));

	iIsSpeech = iIsSpeech || (g.iPushToTalk > 0) || (g.iAltSpeak > 0);

	if (g.s.bMute || ((g.s.lmLoopMode != Settings::Local) && p && p->bMute) || g.bPushToMute) {
		iIsSpeech = 0;
	}

	if (iIsSpeech) {
		iSilentFrames = 0;
	} else {
		iSilentFrames++;
		if (iSilentFrames > 200)
			iFrameCounter = 0;
	}

	if (p)
		p->setTalking(iIsSpeech, (g.iAltSpeak > 0));

	if (g.s.bPushClick && (g.s.atTransmit == Settings::PushToTalk)) {
		AudioOutputPtr ao = g.ao;
		if (iIsSpeech && ! bPreviousVoice && ao)
			ao->playSine(400.0f,1200.0f,5);
		else if (ao && !iIsSpeech && bPreviousVoice && ao)
			ao->playSine(620.0f,-1200.0f,5);
	}
	if (! iIsSpeech && ! bPreviousVoice) {
		iBitrate = 0;
		if (g.s.iIdleTime && ! g.s.bMute && ((tIdle.elapsed() / 1000000ULL) > g.s.iIdleTime)) {
			emit doMute();
			tIdle.restart();
		}
		return;
	}

	bPreviousVoice = iIsSpeech;

	tIdle.restart();

	if (! iIsSpeech) {
		memset(psMic, 0, sizeof(short) * iFrameSize);
	}

	if (g.s.bTransmitPosition && g.p && ! g.bCenterPosition && (iFrames == 0) && g.p->fetch()) {
		QByteArray q;
		QDataStream ds(&q, QIODevice::WriteOnly);
		ds << g.p->fPosition[0];
		ds << g.p->fPosition[1];
		ds << g.p->fPosition[2];

		speex_bits_pack(&sbBits, 13, 5);
		speex_bits_pack(&sbBits, q.size(), 4);

		const unsigned char *d=reinterpret_cast<const unsigned char*>(q.data());
		for (i=0;i<q.size();i++) {
			speex_bits_pack(&sbBits, d[i], 8);
		}
	}

	speex_encode_int(esEncState, psSource, &sbBits);
	iFrames++;

	speex_encoder_ctl(esEncState, SPEEX_GET_BITRATE, &iBitrate);

	flushCheck();
}
开发者ID:ArminW,项目名称:re-whisper,代码行数:101,代码来源:AudioInput.cpp


注:本文中的AudioOutputPtr::playSine方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。