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Java MediaCodec.release方法代码示例

本文整理汇总了Java中android.media.MediaCodec.release方法的典型用法代码示例。如果您正苦于以下问题：Java MediaCodec.release方法的具体用法？Java MediaCodec.release怎么用？Java MediaCodec.release使用的例子？那么恭喜您, 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类android.media.MediaCodec的用法示例。


在下文中一共展示了MediaCodec.release方法的7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Java代码示例。

示例1: getVideoMediaCodec

import android.media.MediaCodec; //导入方法依赖的package包/类
@TargetApi(21)
    public static MediaCodec getVideoMediaCodec() {
        int videoWidth = getVideoSize(Options.getInstance().video.width);
        int videoHeight = getVideoSize(Options.getInstance().video.height);
        MediaFormat format = MediaFormat.createVideoFormat(Options.getInstance().video.mime, videoWidth, videoHeight);
        format.setInteger(MediaFormat.KEY_COLOR_FORMAT,
                MediaCodecInfo.CodecCapabilities.COLOR_FormatSurface);
        format.setInteger(MediaFormat.KEY_BIT_RATE, Options.getInstance().video.maxBps* 1024);
        int fps = Options.getInstance().video.fps;
        //设置摄像头预览帧率
//        if(BlackListHelper.deviceInFpsBlacklisted()) {
//            SopCastLog.d(SopCastConstant.TAG, "Device in fps setting black list, so set mediacodec fps 15");
//            fps = 15;
//        }
        format.setInteger(MediaFormat.KEY_FRAME_RATE, fps);
        format.setInteger(MediaFormat.KEY_I_FRAME_INTERVAL, Options.getInstance().video.ifi);
        format.setInteger(MediaFormat.KEY_BITRATE_MODE, MediaCodecInfo.EncoderCapabilities.BITRATE_MODE_VBR);
        format.setInteger(MediaFormat.KEY_COMPLEXITY, MediaCodecInfo.EncoderCapabilities.BITRATE_MODE_CBR);
        MediaCodec mediaCodec = null;

        try {
            mediaCodec = MediaCodec.createEncoderByType(Options.getInstance().video.mime);
            mediaCodec.configure(format, null, null, MediaCodec.CONFIGURE_FLAG_ENCODE);
        }catch (Exception e) {
            e.printStackTrace();
            if (mediaCodec != null) {
                mediaCodec.stop();
                mediaCodec.release();
                mediaCodec = null;
            }
        }
        return mediaCodec;
    }
开发者ID:wuyisheng，项目名称:libRtmp，代码行数:34，代码来源:AndroidUntil.java

示例2: createMediaCodec

import android.media.MediaCodec; //导入方法依赖的package包/类
private MediaCodec createMediaCodec(int bufferSize) throws IOException {
  MediaCodec  mediaCodec  = MediaCodec.createEncoderByType("audio/mp4a-latm");
  MediaFormat mediaFormat = new MediaFormat();

  mediaFormat.setString(MediaFormat.KEY_MIME, "audio/mp4a-latm");
  mediaFormat.setInteger(MediaFormat.KEY_SAMPLE_RATE, SAMPLE_RATE);
  mediaFormat.setInteger(MediaFormat.KEY_CHANNEL_COUNT, CHANNELS);
  mediaFormat.setInteger(MediaFormat.KEY_MAX_INPUT_SIZE, bufferSize);
  mediaFormat.setInteger(MediaFormat.KEY_BIT_RATE, BIT_RATE);
  mediaFormat.setInteger(MediaFormat.KEY_AAC_PROFILE, MediaCodecInfo.CodecProfileLevel.AACObjectLC);

  try {
    mediaCodec.configure(mediaFormat, null, null, MediaCodec.CONFIGURE_FLAG_ENCODE);
  } catch (Exception e) {
    Log.w(TAG, e);
    mediaCodec.release();
    throw new IOException(e);
  }

  return mediaCodec;
}
开发者ID:XecureIT，项目名称:PeSanKita-android，代码行数:22，代码来源:AudioCodec.java

示例3: checkMediaCodecAudioEncoderSupport

import android.media.MediaCodec; //导入方法依赖的package包/类
@TargetApi(MIN_API_LEVEL_AUDIO)
public static int checkMediaCodecAudioEncoderSupport(){
    if(getApiLevel()<MIN_API_LEVEL_AUDIO){
        Log.d(TAG, "checkMediaCodecAudioEncoderSupport: Min API is 16");
        return CODEC_REQ_API_NOT_SATISFIED;
    }
    final MediaFormat audioFormat = MediaFormat.createAudioFormat(MIME_TYPE_AUDIO, TEST_SAMPLE_RATE, 1);
    audioFormat.setInteger(MediaFormat.KEY_AAC_PROFILE, MediaCodecInfo.CodecProfileLevel.AACObjectLC);
    audioFormat.setInteger(MediaFormat.KEY_CHANNEL_MASK, AudioFormat.CHANNEL_IN_MONO);
    audioFormat.setInteger(MediaFormat.KEY_BIT_RATE, TEST_AUDIO_BIT_RATE);
    audioFormat.setInteger(MediaFormat.KEY_CHANNEL_COUNT, 1);
    MediaCodec mediaCodec;
    try {
        mediaCodec = MediaCodec.createEncoderByType(MIME_TYPE_AUDIO);
        mediaCodec.configure(audioFormat, null, null, MediaCodec.CONFIGURE_FLAG_ENCODE);
        mediaCodec.start();
        mediaCodec.stop();
        mediaCodec.release();
        mediaCodec = null;
    } catch (Exception ex) {
        Log.e(TAG, "Failed on creation of codec #", ex);
        return CODEC_ERROR;
    }
    return CODEC_SUPPORTED;
}
开发者ID:zhangyaqiang，项目名称:Fatigue-Detection，代码行数:26，代码来源:MediaCodecUtils.java

示例4: recorderEncoderLoop

import android.media.MediaCodec; //导入方法依赖的package包/类
/**
 * Reads bytes from the given recorder and encodes them with the given encoder.
 * Uses the (deprecated) Synchronous Processing using Buffer Arrays.
 * <p/>
 * Encoders (or codecs that generate compressed data) will create and return the codec specific
 * data before any valid output buffer in output buffers marked with the codec-config flag.
 * Buffers containing codec-specific-data have no meaningful timestamps.
 */
@TargetApi(Build.VERSION_CODES.JELLY_BEAN)
private void recorderEncoderLoop(MediaCodec codec, SpeechRecord speechRecord) {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
        codec.start();
        // Getting some buffers (e.g. 4 of each) to communicate with the codec
        ByteBuffer[] codecInputBuffers = codec.getInputBuffers();
        ByteBuffer[] codecOutputBuffers = codec.getOutputBuffers();
        Log.i("input buffers " + codecInputBuffers.length + "; output buffers: " + codecOutputBuffers.length);
        boolean doneSubmittingInput = false;
        int numRetriesDequeueOutputBuffer = 0;
        int index;
        while (true) {
            if (!doneSubmittingInput) {
                index = codec.dequeueInputBuffer(DEQUEUE_TIMEOUT);
                if (index >= 0) {
                    int size = queueInputBuffer(codec, codecInputBuffers, index, speechRecord);
                    if (size == -1) {
                        codec.queueInputBuffer(index, 0, 0, 0, MediaCodec.BUFFER_FLAG_END_OF_STREAM);
                        Log.i("enc: in: EOS");
                        doneSubmittingInput = true;
                    } else {
                        Log.i("enc: in: " + size);
                        mNumBytesSubmitted += size;
                    }
                } else {
                    Log.i("enc: in: timeout, will try again");
                }
            }
            MediaCodec.BufferInfo info = new MediaCodec.BufferInfo();
            index = codec.dequeueOutputBuffer(info, DEQUEUE_TIMEOUT);
            Log.i("enc: out: flags/index: " + info.flags + "/" + index);
            if (index == MediaCodec.INFO_TRY_AGAIN_LATER) {
                Log.i("enc: out: INFO_TRY_AGAIN_LATER: " + numRetriesDequeueOutputBuffer);
                if (++numRetriesDequeueOutputBuffer > MAX_NUM_RETRIES_DEQUEUE_OUTPUT_BUFFER) {
                    break;
                }
            } else if (index == MediaCodec.INFO_OUTPUT_FORMAT_CHANGED) {
                MediaFormat format = codec.getOutputFormat();
                Log.i("enc: out: INFO_OUTPUT_FORMAT_CHANGED: " + format.toString());
            } else if (index == MediaCodec.INFO_OUTPUT_BUFFERS_CHANGED) {
                codecOutputBuffers = codec.getOutputBuffers();
                Log.i("enc: out: INFO_OUTPUT_BUFFERS_CHANGED");
            } else {
                dequeueOutputBuffer(codec, codecOutputBuffers, index, info);
                mNumBytesDequeued += info.size;
                if ((info.flags & MediaCodec.BUFFER_FLAG_END_OF_STREAM) != 0) {
                    Log.i("enc: out: EOS");
                    break;
                }
            }
        }
        codec.stop();
        codec.release();
    }
}
开发者ID:vaibhavs4424，项目名称:AI-Powered-Intelligent-Banking-Platform，代码行数:64，代码来源:EncodedAudioRecorder.java

示例5: getAudioMediaCodec

import android.media.MediaCodec; //导入方法依赖的package包/类
@TargetApi(18)
public static MediaCodec getAudioMediaCodec(){
    MediaFormat format = MediaFormat.createAudioFormat(
            Options.getInstance().audio.mime,
            Options.getInstance().audio.frequency,
            Options.getInstance().audio.channelCount);
    if(Options.getInstance().audio.mime.equals(Options.DEFAULT_MIME)) {
        format.setInteger(MediaFormat.KEY_AAC_PROFILE, Options.getInstance().audio.aacProfile);
    }
    format.setInteger(MediaFormat.KEY_BIT_RATE, Options.getInstance().audio.maxBps * 1024);
    format.setInteger(MediaFormat.KEY_SAMPLE_RATE, Options.getInstance().audio.frequency);
    int maxInputSize = getRecordBufferSize();
    format.setInteger(MediaFormat.KEY_MAX_INPUT_SIZE, maxInputSize);
    format.setInteger(MediaFormat.KEY_CHANNEL_COUNT, Options.getInstance().audio.channelCount);

    MediaCodec mediaCodec = null;
    try {
        mediaCodec = MediaCodec.createEncoderByType(Options.getInstance().audio.mime);
        mediaCodec.configure(format, null, null, MediaCodec.CONFIGURE_FLAG_ENCODE);
    } catch (Exception e) {
        e.printStackTrace();
        if (mediaCodec != null) {
            mediaCodec.stop();
            mediaCodec.release();
            mediaCodec = null;
        }
    }
    return mediaCodec;
}
开发者ID:wuyisheng，项目名称:libRtmp，代码行数:30，代码来源:AndroidUntil.java

示例6: checkMediaCodecVideoEncoderSupport

import android.media.MediaCodec; //导入方法依赖的package包/类
@TargetApi(MIN_API_LEVEL_VIDEO)
public static int checkMediaCodecVideoEncoderSupport(){
    if(getApiLevel()<MIN_API_LEVEL_VIDEO){
        Log.d(TAG, "checkMediaCodecVideoEncoderSupport: Min API is 18");
        return CODEC_REQ_API_NOT_SATISFIED;
    }
    MediaFormat format = MediaFormat.createVideoFormat(MIME_TYPE_VIDEO, TEST_WIDTH, TEST_HEIGHT);
    format.setInteger(MediaFormat.KEY_COLOR_FORMAT,
            MediaCodecInfo.CodecCapabilities.COLOR_FormatSurface);
    format.setInteger(MediaFormat.KEY_BIT_RATE, TEST_VIDEO_BIT_RATE);
    format.setInteger(MediaFormat.KEY_FRAME_RATE, TEST_FRAME_RATE);
    format.setInteger(MediaFormat.KEY_I_FRAME_INTERVAL, TEST_IFRAME_INTERVAL);
    MediaCodec mediaCodec;
    try {
        mediaCodec = MediaCodec.createEncoderByType(MIME_TYPE_VIDEO);
        mediaCodec.configure(format, null, null, MediaCodec.CONFIGURE_FLAG_ENCODE);
        mediaCodec.createInputSurface();
        mediaCodec.start();
        mediaCodec.stop();
        mediaCodec.release();
        mediaCodec = null;
    } catch (Exception ex) {
        Log.e(TAG, "Failed on creation of codec #", ex);
        return CODEC_ERROR;
    }
    return CODEC_SUPPORTED;
}
开发者ID:zhangyaqiang，项目名称:Fatigue-Detection，代码行数:28，代码来源:MediaCodecUtils.java

示例7: renderHevcImage

import android.media.MediaCodec; //导入方法依赖的package包/类
private static void renderHevcImage(ByteBuffer bitstream, ImageInfo info, Surface surface) {
    long beginTime = SystemClock.elapsedRealtimeNanos();

    // configure HEVC decoder
    MediaCodec decoder = configureDecoder(info, bitstream.limit(), surface);
    MediaFormat outputFormat = decoder.getOutputFormat();
    Log.d(TAG, "HEVC output-format=" + outputFormat);

    decoder.start();
    try {
        // set bitstream to decoder
        int inputBufferId = decoder.dequeueInputBuffer(-1);
        if (inputBufferId < 0) {
            throw new IllegalStateException("dequeueInputBuffer return " + inputBufferId);
        }
        ByteBuffer inBuffer = decoder.getInputBuffer(inputBufferId);
        inBuffer.put(bitstream);
        decoder.queueInputBuffer(inputBufferId, 0, bitstream.limit(), 0, 0);

        // notify end of stream
        inputBufferId = decoder.dequeueInputBuffer(-1);
        if (inputBufferId < 0) {
            throw new IllegalStateException("dequeueInputBuffer return " + inputBufferId);
        }
        decoder.queueInputBuffer(inputBufferId, 0, 0, 0, MediaCodec.BUFFER_FLAG_END_OF_STREAM);

        // get decoded image
        MediaCodec.BufferInfo bufferInfo = new MediaCodec.BufferInfo();
        while (true) {
            int outputBufferId = decoder.dequeueOutputBuffer(bufferInfo, -1);
            if (outputBufferId >= 0) {
                decoder.releaseOutputBuffer(outputBufferId, true);
                break;
            } else if (outputBufferId == MediaCodec.INFO_OUTPUT_FORMAT_CHANGED) {
                outputFormat = decoder.getOutputFormat();
                Log.d(TAG, "HEVC output-format=" + outputFormat);
            } else {
                Log.d(TAG, "HEVC dequeueOutputBuffer return " + outputBufferId);
            }
        }
        decoder.flush();
    } finally {
        decoder.stop();
        decoder.release();
    }
    long endTime = SystemClock.elapsedRealtimeNanos();
    Log.i(TAG, "HEVC decoding elapsed=" + (endTime - beginTime) / 1000000.f + "[msec]");
}
开发者ID:yohhoy，项目名称:heifreader，代码行数:49，代码来源:HeifReader.java


注：本文中的android.media.MediaCodec.release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。