android.media.AudioRecord#RECORDSTATE_STOPPED源码实例Demo

下面列出了android.media.AudioRecord#RECORDSTATE_STOPPED 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： LivePublisher 文件： AudioPusher.java

@Override
public void startPusher() {
	if (null == audioRecord) {
		return;
	}
	mPusherRuning = true;
	if (audioRecord.getRecordingState() == AudioRecord.RECORDSTATE_STOPPED) {
		try {
			audioRecord.startRecording();
			new Thread(new AudioRecordTask()).start();
		} catch (Throwable th) {
			th.printStackTrace();
			if (null != mListener) {
				mListener.onErrorPusher(-101);
			}
		}
	}
}

源代码2 项目： ScreenCapture 文件： MicRecorder.java

/**
 * NOTE: Should waiting all output buffer disappear queue input buffer
 */
private void feedAudioEncoder(int index) {
    if (index < 0 || mForceStop.get()) return;
    final AudioRecord r = Objects.requireNonNull(mMic, "maybe release");
    final boolean eos = r.getRecordingState() == AudioRecord.RECORDSTATE_STOPPED;
    final ByteBuffer frame = mEncoder.getInputBuffer(index);
    int offset = frame.position();
    int limit = frame.limit();
    int read = 0;
    if (!eos) {
        read = r.read(frame, limit);
        if (VERBOSE) Log.d(TAG, "Read frame data size " + read + " for index "
                + index + " buffer : " + offset + ", " + limit);
        if (read < 0) {
            read = 0;
        }
    }

    long pstTs = calculateFrameTimestamp(read << 3);
    int flags = BUFFER_FLAG_KEY_FRAME;

    if (eos) {
        flags = BUFFER_FLAG_END_OF_STREAM;
    }
    // feed frame to encoder
    if (VERBOSE) Log.d(TAG, "Feed codec index=" + index + ", presentationTimeUs="
            + pstTs + ", flags=" + flags);
    mEncoder.queueInputBuffer(index, offset, read, pstTs, flags);
}

源代码3 项目： SimpleRecorder 文件： Recorder.java

public void startRecording() {
    if (!isInitialized()) {
        throw new IllegalArgumentException("AudioRecorder state is uninitialized.");
    }
    if (mAudioRecord.getRecordingState() != AudioRecord.RECORDSTATE_STOPPED) return;
    mAudioRecord.startRecording();
}

源代码4 项目： LivePublisher 文件： AudioPusher.java

@Override
public void release() {
	if (null == audioRecord) {
		return;
	}
	mPusherRuning = false;
	if (audioRecord.getRecordingState() == AudioRecord.RECORDSTATE_STOPPED)
		audioRecord.release();
	audioRecord = null;
}

源代码5 项目： TikTok 文件： CheckPermissionUtil.java

/**
     * 判断是是否有录音权限
     */
    public static boolean isHasAudioPermission(final Context context){
        int bufferSizeInBytes = 0;
        bufferSizeInBytes = AudioRecord.getMinBufferSize(44100,
                AudioFormat.CHANNEL_IN_MONO, AudioFormat.ENCODING_PCM_16BIT);
        AudioRecord audioRecord =  new AudioRecord(MediaRecorder.AudioSource.MIC, 44100,
                AudioFormat.CHANNEL_IN_MONO, AudioFormat.ENCODING_PCM_16BIT, bufferSizeInBytes);
        //开始录制音频
        //开始录制音频
        try{
            // 防止某些手机崩溃，例如联想
            audioRecord.startRecording();
        }catch (IllegalStateException e){
            e.printStackTrace();
//            AVLogUtils.e(TAG, Log.getStackTraceString(e));
        }
        /**
         * 根据开始录音判断是否有录音权限
         */
        if (audioRecord.getRecordingState() != AudioRecord.RECORDSTATE_RECORDING
                && audioRecord.getRecordingState() != AudioRecord.RECORDSTATE_STOPPED) {
//            AVLogUtils.e(TAG, "audioRecord.getRecordingState() != AudioRecord.RECORDSTATE_RECORDING : " + audioRecord.getRecordingState());
            return false;
        }

        if (audioRecord.getRecordingState() == AudioRecord.RECORDSTATE_STOPPED) {
            //如果短时间内频繁检测，会造成audioRecord还未销毁完成，此时检测会返回RECORDSTATE_STOPPED状态，再去read，会读到0的size，可以更具自己的需求返回true或者false
            return false;
        }

        byte[] bytes = new byte[1024];
        int readSize = audioRecord.read(bytes, 0, 1024);
        if (readSize == AudioRecord.ERROR_INVALID_OPERATION || readSize <= 0) {
//            AVLogUtils.e(TAG, "readSize illegal : " + readSize);
            return false;
        }
        audioRecord.stop();
        audioRecord.release();
        audioRecord = null;

        return true;
    }

源代码6 项目： TikTok 文件： AudioRecorder.java

@Override
    public void run() {
        try {
            //初始化音频
            int bufferSizeInBytes = AudioRecord
                    .getMinBufferSize(audioSampleRate, AudioFormat.CHANNEL_IN_MONO, AudioFormat.ENCODING_PCM_16BIT);
            final AudioRecord
                    audioRecord = new AudioRecord(MediaRecorder.AudioSource.MIC, audioSampleRate, AudioFormat.CHANNEL_IN_MONO, AudioFormat.ENCODING_PCM_16BIT, bufferSizeInBytes);
            if(audioRecord == null){
                mOnAudioRecorderListener.onNotPermission();
                return ;
            }
            audioRecord.startRecording();

            /**
             * 根据开始录音判断是否有录音权限
             */
            if (audioRecord.getRecordingState() != AudioRecord.RECORDSTATE_RECORDING
                    && audioRecord.getRecordingState() != AudioRecord.RECORDSTATE_STOPPED) {
//            AVLogUtils.e(TAG, "audioRecord.getRecordingState() != AudioRecord.RECORDSTATE_RECORDING : " + audioRecord.getRecordingState());
                isAudioPermission = false;
            }

            if (audioRecord.getRecordingState() == AudioRecord.RECORDSTATE_STOPPED) {
                //如果短时间内频繁检测，会造成audioRecord还未销毁完成，此时检测会返回RECORDSTATE_STOPPED状态，再去read，会读到0的size，可以更具自己的需求返回true或者false
                isAudioPermission = false;
            }

            if(!isAudioPermission){
                mOnAudioRecorderListener.onNotPermission();
                return ;
            }
            mOnAudioRecorderListener.onCanRecord(isAudioPermission);

            byte[] data = new byte[2048];
            while(isRecord){
                if(audioRecord == null){
                    return ;
                }
                int offset = 0;
                while(offset < 2048) {
                    int readSize = audioRecord.read(data, offset, data.length-offset);
                    offset+=readSize;
                }
                if(isAudioRecordWrite){//写入文件
                    HeyhouRecorder.getInstance().recordAudioNHW(data,audioSampleRate,HeyhouRecorder.FORMAT_S16,1024);
                }

            }
            audioRecord.stop();
            audioRecord.release();
        }catch (Exception e) {
            e.printStackTrace();
            mOnAudioRecorderListener.onRecordError("录音失败");
        }
    }

源代码7 项目： science-journal 文件： ShadowAudioRecord.java

public static void setRecordingStartFailed() {
  recordingState = AudioRecord.RECORDSTATE_STOPPED;
}

源代码8 项目： pocketsphinx-android 文件： SpeechRecognizer.java

@Override
public void run() {

    recorder.startRecording();
    if (recorder.getRecordingState() == AudioRecord.RECORDSTATE_STOPPED) {
        recorder.stop();
        IOException ioe = new IOException(
                "Failed to start recording. Microphone might be already in use.");
        mainHandler.post(new OnErrorEvent(ioe));
        return;
    }

    Log.d(TAG, "Starting decoding");

    decoder.startUtt();
    short[] buffer = new short[bufferSize];
    boolean inSpeech = decoder.getInSpeech();

    // Skip the first buffer, usually zeroes
    recorder.read(buffer, 0, buffer.length);

    while (!interrupted()
            && ((timeoutSamples == NO_TIMEOUT) || (remainingSamples > 0))) {
        int nread = recorder.read(buffer, 0, buffer.length);

        if (-1 == nread) {
            throw new RuntimeException("error reading audio buffer");
        } else if (nread > 0) {
            decoder.processRaw(buffer, nread, false, false);

            // int max = 0;
            // for (int i = 0; i < nread; i++) {
            //     max = Math.max(max, Math.abs(buffer[i]));
            // }
            // Log.e("!!!!!!!!", "Level: " + max);
            
            if (decoder.getInSpeech() != inSpeech) {
                inSpeech = decoder.getInSpeech();
                mainHandler.post(new InSpeechChangeEvent(inSpeech));
            }

            if (inSpeech)
                remainingSamples = timeoutSamples;

            final Hypothesis hypothesis = decoder.hyp();
            mainHandler.post(new ResultEvent(hypothesis, false));
        }

        if (timeoutSamples != NO_TIMEOUT) {
            remainingSamples = remainingSamples - nread;
        }
    }

    recorder.stop();
    decoder.endUtt();

    // Remove all pending notifications.
    mainHandler.removeCallbacksAndMessages(null);

    // If we met timeout signal that speech ended
    if (timeoutSamples != NO_TIMEOUT && remainingSamples <= 0) {
        mainHandler.post(new TimeoutEvent());
    }
}

源代码9 项目： android-speaker-audioanalysis 文件： MfccService.java

private void clean() {

    	//Cleaning threads and order matters.
    	

		//recordingExecService.shutdown();
    	scheduleExecService.shutdownNow();//shutdownNow() tries to kill the currently running tasks immediately

    	if(audioRecorder != null) {
			audioRecorder.stop();
			audioRecorder.release();
			
			if(audioRecorder.getRecordingState() == AudioRecord.RECORDSTATE_STOPPED)
				audioRecorder = null;
			
    	}

        if(backgroundThread != null) {
	        Thread dummy = backgroundThread;
	        backgroundThread = null;
	        dummy.interrupt();
    	}
        
        

    	Log.i(TAG, "clean() released !");
    	

    }

方法所在类

android.media.AudioRecord