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Java H264Utils类代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了Java中org.jcodec.codecs.h264.H264Utils类的典型用法代码示例。如果您正苦于以下问题：Java H264Utils类的具体用法？Java H264Utils怎么用？Java H264Utils使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。



H264Utils类属于org.jcodec.codecs.h264包，在下文中一共展示了H264Utils类的20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，您的评价将有助于我们的系统推荐出更棒的Java代码示例。

示例1: encodeNativeFrame

import org.jcodec.codecs.h264.H264Utils; //导入依赖的package包/类
public void encodeNativeFrame(Picture pic) throws IOException {
    if (toEncode == null) {
        toEncode = Picture.create(pic.getWidth() , pic.getHeight() , encoder.getSupportedColorSpaces()[0]);
    }

    // Perform conversion
    try {
        transform.transform(pic, toEncode);
    }catch (Exception e){
        return;
    }
    // Encode image into H.264 frame, the result is stored in '_out' buffer
    _out.clear();
    ByteBuffer result = encoder.encodeFrame(toEncode, _out);

    // Based on the frame above form correct MP4 packet
    spsList.clear();
    ppsList.clear();
    H264Utils.wipePS(result, spsList, ppsList);
    H264Utils.encodeMOVPacket(result);

    // Add packet to video track
    outTrack.addFrame(new MP4Packet(result, frameNo, 5, 1, frameNo, true, null, frameNo, 0));

    frameNo++;
}
开发者ID:hiliving，项目名称:P2Video-master，代码行数:27，代码来源:SequenceEncoderMp4.java


示例2: transcode

import org.jcodec.codecs.h264.H264Utils; //导入依赖的package包/类
public List<ByteBuffer> transcode() throws IOException {
    H264Decoder decoder = new H264Decoder();
    decoder.addSps(avcC.getSpsList());
    decoder.addPps(avcC.getPpsList());
    Picture buf = Picture.create(mbW << 4, mbH << 4, ColorSpace.YUV420);
    Frame dec = null;
    for (VirtualPacket virtualPacket : head) {
        dec = decoder.decodeFrame(H264Utils.splitMOVPacket(virtualPacket.getData(), avcC), buf.getData());
    }
    H264Encoder encoder = new H264Encoder(rc);
    ByteBuffer tmp = ByteBuffer.allocate(frameSize);

    List<ByteBuffer> result = new ArrayList<ByteBuffer>();
    for (VirtualPacket pkt : tail) {
        dec = decoder.decodeFrame(H264Utils.splitMOVPacket(pkt.getData(), avcC), buf.getData());

        tmp.clear();
        ByteBuffer res = encoder.encodeFrame(dec, tmp);
        ByteBuffer out = ByteBuffer.allocate(frameSize);
        processFrame(res, out);

        result.add(out);
    }

    return result;
}
开发者ID:PenoaksDev，项目名称:OpenSpaceDVR，代码行数:27，代码来源:AVCClipTrack.java


示例3: encodeNativeFrame

import org.jcodec.codecs.h264.H264Utils; //导入依赖的package包/类
public void encodeNativeFrame(Picture pic) throws IOException {
    if (toEncode == null) {
        toEncode = Picture.create(pic.getWidth() , pic.getHeight() , encoder.getSupportedColorSpaces()[0]);
    }

    // Perform conversion
    transform.transform(pic, toEncode);

    // Encode image into H.264 frame, the result is stored in '_out' buffer
    _out.clear();
    ByteBuffer result = encoder.encodeFrame(toEncode, _out);

    // Based on the frame above form correct MP4 packet
    spsList.clear();
    ppsList.clear();
    H264Utils.wipePS(result, spsList, ppsList);
    H264Utils.encodeMOVPacket(result);

    // Add packet to video track
    outTrack.addFrame(new MP4Packet(result, frameNo, timeScale, 1, frameNo, true, null, frameNo, 0));

    frameNo++;
}
开发者ID:ynztlxdeai，项目名称:ImageToVideo，代码行数:24，代码来源:SequenceEncoderMp4.java


示例4: encode

import org.jcodec.codecs.h264.H264Utils; //导入依赖的package包/类
@Override
public void encode(BufferedImage img) throws IOException {
    JHVRgbToYuv420j8Bit.transform(img, toEncode);

    // Encode image into H.264 frame, the result is stored in '_out' buffer
    _out.clear();
    ByteBuffer result = encoder.encodeFrame(toEncode, _out);
    // Based on the frame above form correct MP4 packet
    spsList.clear();
    ppsList.clear();
    H264Utils.wipePS(result, spsList, ppsList);
    H264Utils.encodeMOVPacket(result);
    // Add packet to video track
    outTrack.addFrame(new MP4Packet(result, frameNo, fps, 1, frameNo, true, null, frameNo, 0));
    frameNo++;
}
开发者ID:Helioviewer-Project，项目名称:JHelioviewer-SWHV，代码行数:17，代码来源:JCodecExporter.java


示例5: encodeImage

import org.jcodec.codecs.h264.H264Utils; //导入依赖的package包/类
public void encodeImage(BufferedImage bi) throws IOException {
    if (toEncode == null) {
        toEncode = Picture.create(bi.getWidth(), bi.getHeight(), ColorSpace.YUV420);
    }

    // Perform conversion
    for (int i = 0; i < 3; i++) {
        Arrays.fill(toEncode.getData()[i], 0);
    }
    transform.transform(AWTUtil.fromBufferedImage(bi), toEncode);

    // Encode image into H.264 frame, the result is stored in '_out' buffer
    _out.clear();
    ByteBuffer result = encoder.encodeFrame(_out, toEncode);

    // Based on the frame above form correct MP4 packet
    spsList.clear();
    ppsList.clear();
    H264Utils.encodeMOVPacket(result, spsList, ppsList);

    // Add packet to video track
    outTrack.addFrame(new MP4Packet(result, frameNo, 25, 1, frameNo, true, null, frameNo, 0));

    frameNo++;
}
开发者ID:deepakpk009，项目名称:JScreenRecorder，代码行数:26，代码来源:SequenceEncoder.java


示例6: readMBQpDelta

import org.jcodec.codecs.h264.H264Utils; //导入依赖的package包/类
public int readMBQpDelta(MDecoder decoder, MBType prevMbType) {
    int ctx = 60;
    ctx += prevMbType == null || prevMbType == I_PCM || (prevMbType != I_16x16 && prevCBP == 0)
            || prevMbQpDelta == 0 ? 0 : 1;

    int val = 0;
    if (decoder.decodeBin(ctx) == 1) {
        val++;
        if (decoder.decodeBin(62) == 1) {
            val++;
            while (decoder.decodeBin(63) == 1)
                val++;
        }
    }
    prevMbQpDelta = H264Utils.golomb2Signed(val);

    return prevMbQpDelta;
}
开发者ID:PenoaksDev，项目名称:OpenSpaceDVR，代码行数:19，代码来源:CABAC.java


示例7: calcBufferSize

import org.jcodec.codecs.h264.H264Utils; //导入依赖的package包/类
private void calcBufferSize() {
    int w = Integer.MIN_VALUE, h = Integer.MIN_VALUE;
    for (SampleEntry se : ses) {
        if ("avc1".equals(se.getFourcc())) {
            AvcCBox avcC = H264Utils.parseAVCC((VideoSampleEntry) se);
            for (SeqParameterSet sps : H264Utils.readSPS(avcC.getSpsList())) {
                int ww = sps.pic_width_in_mbs_minus1 + 1;
                if (ww > w)
                    w = ww;
                int hh = H264Utils.getPicHeightInMbs(sps);
                if (hh > h)
                    h = hh;
            }
        }
    }

    size = new Size(w << 4, h << 4);
}
开发者ID:PenoaksDev，项目名称:OpenSpaceDVR，代码行数:19，代码来源:AVCMP4Adaptor.java


示例8: encodeNativeFrame

import org.jcodec.codecs.h264.H264Utils; //导入依赖的package包/类
public void encodeNativeFrame(Picture pic) throws IOException {
    if (toEncode == null) {
        toEncode = Picture.create(pic.getWidth(), pic.getHeight(), encoder.getSupportedColorSpaces()[0]);
    }

    // Perform conversion
    transform.transform(pic, toEncode);

    // Encode image into H.264 frame, the result is stored in '_out' buffer
    _out.clear();
    ByteBuffer result = encoder.encodeFrame(toEncode, _out);

    // Based on the frame above form correct MP4 packet
    spsList.clear();
    ppsList.clear();
    H264Utils.wipePS(result, spsList, ppsList);
    H264Utils.encodeMOVPacket(result);

    // Add packet to video track
    outTrack.addFrame(new MP4Packet(result, frameNo, 25, 1, frameNo, true, null, frameNo, 0));

    frameNo++;
}
开发者ID:PenoaksDev，项目名称:OpenSpaceDVR，代码行数:24，代码来源:SequenceEncoder.java


示例9: Transcode2AVCTrack

import org.jcodec.codecs.h264.H264Utils; //导入依赖的package包/类
public Transcode2AVCTrack(VirtualTrack src, Size frameDim) {
    checkFourCC(src);
    this.src = src;
    ConstantRateControl rc = new ConstantRateControl(TARGET_RATE);
    H264Encoder encoder = new H264Encoder(rc);

    scaleFactor = selectScaleFactor(frameDim);
    thumbWidth = frameDim.getWidth() >> scaleFactor;
    thumbHeight = (frameDim.getHeight() >> scaleFactor) & ~1;

    mbW = (thumbWidth + 15) >> 4;
    mbH = (thumbHeight + 15) >> 4;

    se = H264Utils.createMOVSampleEntry(encoder.initSPS(new Size(thumbWidth, thumbHeight)), encoder.initPPS());
    PixelAspectExt pasp = Box.findFirst(src.getSampleEntry(), PixelAspectExt.class, "pasp");
    if (pasp != null)
        se.add(pasp);

    frameSize = rc.calcFrameSize(mbW * mbH);
    frameSize += frameSize >> 4;
}
开发者ID:PenoaksDev，项目名称:OpenSpaceDVR，代码行数:22，代码来源:Transcode2AVCTrack.java


示例10: replaySps

import org.jcodec.codecs.h264.H264Utils; //导入依赖的package包/类
private boolean replaySps() {
    int inputIndex = dequeueInputBuffer();
    if (inputIndex < 0) {
        return false;
    }

    ByteBuffer inputBuffer = getEmptyInputBuffer(inputIndex);
    if (inputBuffer == null) {
        return false;
    }

    // Write the Annex B header
    inputBuffer.put(new byte[]{0x00, 0x00, 0x00, 0x01, 0x67});

    // Switch the H264 profile back to high
    savedSps.profileIdc = 100;

    // Patch the SPS constraint flags
    doProfileSpecificSpsPatching(savedSps);

    // The H264Utils.writeSPS function safely handles
    // Annex B NALUs (including NALUs with escape sequences)
    ByteBuffer escapedNalu = H264Utils.writeSPS(savedSps, 128);
    inputBuffer.put(escapedNalu);

    // No need for the SPS anymore
    savedSps = null;

    // Queue the new SPS
    return queueInputBuffer(inputIndex,
            0, inputBuffer.position(),
            System.nanoTime() / 1000,
            MediaCodec.BUFFER_FLAG_CODEC_CONFIG);
}
开发者ID:moonlight-stream，项目名称:moonlight-android，代码行数:35，代码来源:MediaCodecDecoderRenderer.java


示例11: close

import org.jcodec.codecs.h264.H264Utils; //导入依赖的package包/类
/**
 * Close the file and clear resource
 * @throws IOException
 */
public void close() throws IOException{
	outTrack.addSampleEntry(H264Utils.createMOVSampleEntry(spsList, ppsList));
	muxer.writeHeader();
	NIOUtils.closeQuietly(ch);

	outBuffer.clear();
	spsList.clear();
	ppsList.clear();
	
	outBuffer=null;
	transform=null;
	muxer=null;
	encoder=null;
	spsList=null;
	ppsList=null;		
}
开发者ID:shadoq，项目名称:s3gdxcodec，代码行数:21，代码来源:PixmapEncoder.java


示例12: finish

import org.jcodec.codecs.h264.H264Utils; //导入依赖的package包/类
public void finish() throws IOException {
    // Push saved SPS/PPS to a special storage in MP4
    outTrack.addSampleEntry(H264Utils.createMOVSampleEntry(spsList, ppsList, 4));

    // Write MP4 header and finalize recording
    muxer.writeHeader();
    NIOUtils.closeQuietly(ch);
}
开发者ID:hiliving，项目名称:P2Video-master，代码行数:9，代码来源:SequenceEncoderMp4.java


示例13: encodeImage

import org.jcodec.codecs.h264.H264Utils; //导入依赖的package包/类
public void encodeImage(Bitmap bi, int timeEachFrame) throws IOException {
	setTimeEachFrame(timeEachFrame);
	
    if (toEncode == null) {
        toEncode = Picture.create(bi.getWidth(), bi.getHeight(), ColorSpace.YUV420);
    }

    // Perform conversion
    for (int i = 0; i < 3; i++)
        Arrays.fill(toEncode.getData()[i], 0);
    transform.transform(fromBufferedImage(bi), toEncode);

    // Encode image into H.264 frame, the result is stored in '_out' buffer
    _out.clear();
    ByteBuffer result = encoder.encodeFrame(_out, toEncode);

    // Based on the frame above form correct MP4 packet
    spsList.clear();
    ppsList.clear();
    H264Utils.encodeMOVPacket(result, spsList, ppsList);

    outTrack.addFrame(new MP4Packet(result,
            frameNo, 	// frameNo * (this.timeEachFrame) = 5s, image will stop at second 5 and show the next image
            timescale, 							// set default = 1. How many frame per duration: timescale = 2 duration = 1 => 0.5s show 1 image
            duration, 							// auto-increase each time current duration = duration + pass duration.
            frameNo,
            true,
            null,
            frameNo,
            0));

}
开发者ID:rafaelaaraujo，项目名称:Face-detect-framework，代码行数:33，代码来源:SequenceImagesEncoder.java


示例14: close

import org.jcodec.codecs.h264.H264Utils; //导入依赖的package包/类
@Override
public void close() throws IOException {
    // Push saved SPS/PPS to a special storage in MP4
    outTrack.addSampleEntry(H264Utils.createMOVSampleEntry(spsList, ppsList, 4));
    // Write MP4 header and finalize recording
    muxer.writeHeader();
    ch.close();
}
开发者ID:Helioviewer-Project，项目名称:JHelioviewer-SWHV，代码行数:9，代码来源:JCodecExporter.java


示例15: encodeImage

import org.jcodec.codecs.h264.H264Utils; //导入依赖的package包/类
public void encodeImage(BufferedImage bi) throws IOException {
    // Encode image into H.264 frame, the result is stored in '_out' buffer
    _out.clear();
    ByteBuffer result = encoder.encodeFrame(_out, makeFrame(bi));

    // Based on the frame above form correct MP4 packet
    spsList.clear();
    ppsList.clear();
    H264Utils.encodeMOVPacket(result, spsList, ppsList);

    // Add packet to video track
    outTrack.addFrame(new MP4Packet(result, frameNo, 25, 1, frameNo, true, null, frameNo, 0));

    frameNo++;
}
开发者ID:kamil-karkus，项目名称:EasySnap，代码行数:16，代码来源:Encoder.java


示例16: finish

import org.jcodec.codecs.h264.H264Utils; //导入依赖的package包/类
public void finish() throws IOException {
    // Push saved SPS/PPS to a special storage in MP4
    outTrack.addSampleEntry(H264Utils.createMOVSampleEntry(spsList, ppsList));

    // Write MP4 header and finalize recording
    muxer.writeHeader();
    NIOUtils.closeQuietly(ch);
}
开发者ID:kamil-karkus，项目名称:EasySnap，代码行数:9，代码来源:Encoder.java


示例17: decodeFrame

import org.jcodec.codecs.h264.H264Utils; //导入依赖的package包/类
public Picture decodeFrame(Packet packet, int[][] data) {
    updateState(packet);

    Picture pic = ((H264Decoder) decoder).decodeFrame(H264Utils.splitMOVPacket(packet.getData(), avcCBox), data);
    PixelAspectExt pasp = Box.findFirst(ses[curENo], PixelAspectExt.class, "pasp");

    if (pasp != null) {
        // TODO: transform
    }

    return pic;
}
开发者ID:PenoaksDev，项目名称:OpenSpaceDVR，代码行数:13，代码来源:AVCMP4Adaptor.java


示例18: updateState

import org.jcodec.codecs.h264.H264Utils; //导入依赖的package包/类
private void updateState(Packet packet) {
    int eNo = ((MP4Packet) packet).getEntryNo();
    if (eNo != curENo) {
        curENo = eNo;
        avcCBox = H264Utils.parseAVCC((VideoSampleEntry) ses[curENo]);
        decoder = new H264Decoder();
        ((H264Decoder) decoder).addSps(avcCBox.getSpsList());
        ((H264Decoder) decoder).addPps(avcCBox.getPpsList());
    }
}
开发者ID:PenoaksDev，项目名称:OpenSpaceDVR，代码行数:11，代码来源:AVCMP4Adaptor.java


示例19: Mpeg2AVCTrack

import org.jcodec.codecs.h264.H264Utils; //导入依赖的package包/类
public Mpeg2AVCTrack(VirtualTrack src) throws IOException {
    checkFourCC(src);
    this.src = src;
    ConstantRateControl rc = new ConstantRateControl(TARGET_RATE);
    H264Encoder encoder = new H264Encoder(rc);

    nextPacket = src.nextPacket();
    Size frameDim = MPEGDecoder.getSize(nextPacket.getData());

    scaleFactor = selectScaleFactor(frameDim);
    thumbWidth = frameDim.getWidth() >> scaleFactor;
    thumbHeight = (frameDim.getHeight() >> scaleFactor) & ~1;

    mbW = (thumbWidth + 15) >> 4;
    mbH = (thumbHeight + 15) >> 4;

    se = H264Utils.createMOVSampleEntry(encoder.initSPS(new Size(thumbWidth, thumbHeight)), encoder.initPPS());
    PixelAspectExt pasp = Box.findFirst(src.getSampleEntry(), PixelAspectExt.class, "pasp");
    if (pasp != null)
        se.add(pasp);

    frameSize = rc.calcFrameSize(mbW * mbH);
    frameSize += frameSize >> 4;
}
开发者ID:PenoaksDev，项目名称:OpenSpaceDVR，代码行数:25，代码来源:Mpeg2AVCTrack.java


示例20: transcodeFrame

import org.jcodec.codecs.h264.H264Utils; //导入依赖的package包/类
public ByteBuffer transcodeFrame(ByteBuffer src, ByteBuffer dst) throws IOException {
    if(src == null)
        return null;
    Picture decoded = decoder.decodeFrame(src, pic0.getData());
    if (pic1 == null) {
        pic1 = Picture.create(decoded.getWidth(), decoded.getHeight(), encoder.getSupportedColorSpaces()[0]);
        transform = ColorUtil.getTransform(decoded.getColor(), encoder.getSupportedColorSpaces()[0]);
    }
    transform.transform(decoded, pic1);
    pic1.setCrop(new Rect(0, 0, thumbWidth, thumbHeight));
    int rate = TARGET_RATE;
    do {
        try {
            encoder.encodeFrame(pic1, dst);
            break;
        } catch (BufferOverflowException ex) {
            System.out.println("Abandon frame!!!");
            rate -= 10;
            rc.setRate(rate);
        }
    } while (rate > 10);
    rc.setRate(TARGET_RATE);

    H264Utils.encodeMOVPacket(dst);

    return dst;
}
开发者ID:PenoaksDev，项目名称:OpenSpaceDVR，代码行数:28，代码来源:Transcode2AVCTrack.java



注：本文中的org.jcodec.codecs.h264.H264Utils类示例整理自Github/MSDocs等源码及文档管理平台，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。

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