int frameNumber = 10000; FileChannelWrapper ch = null; try { ch = NIOUtils.readableFileChannel(new File(path to mp4)); FrameGrab frameGrab = new FrameGrab(ch); frameGrab.seek(frameNumber); Picture frame; for (int i = 0; (frame = frameGrab.getNativeFrame()) != null && i < 200; i++) { // Do something } } finally { NIOUtils.closeQuietly(ch); }
@Override public void reset() { try { grabber = new FrameGrab(NIOUtils.readableFileChannel(new File(filename))); } catch (IOException | JCodecException e) { throw new RuntimeException(e); } try { frameCurrent = null; frameNext = grabber.getNativeFrame(); } catch (IOException e) { frameNext = null; } } }
@Override public void reset() { try { grabber = new FrameGrab(NIOUtils.readableFileChannel(new File(filename))); } catch (IOException | JCodecException e) { throw new RuntimeException(e); } try { frameCurrent = null; frameNext = grabber.getNativeFrame(); } catch (IOException e) { frameNext = null; } } }
/** * Get frame at a specified frame number as JCodec image * * @param file * @param second * @return * @throws IOException * @throws JCodecException */ public static Picture getFrameFromChannel(SeekableByteChannel file, int frameNumber) throws JCodecException, IOException { return createFrameGrab(file).seekToFramePrecise(frameNumber).getNativeFrame(); }
/** * Get a specified frame by number from an already open demuxer track * * @param vt * @param decoder * @param frameNumber * @return * @throws IOException * @throws JCodecException */ public static Picture getNativeFrameAtFrame(SeekableDemuxerTrack vt, ContainerAdaptor decoder, int frameNumber) throws IOException, JCodecException { return new FrameGrab(vt, decoder).seekToFramePrecise(frameNumber).getNativeFrame(); }
/** * Get frame at a specified second as JCodec image * * @param file * @param second * @return * @throws IOException * @throws JCodecException */ public static Picture getFrameFromChannelAtSec(SeekableByteChannel file, double second) throws JCodecException, IOException { return createFrameGrab(file).seekToSecondPrecise(second).getNativeFrame(); }
/** * Get a specified frame by second from an already open demuxer track * * @param vt * @param decoder * @param frameNumber * @return * @throws IOException * @throws JCodecException */ public static Picture getNativeFrameAtSec(SeekableDemuxerTrack vt, ContainerAdaptor decoder, double second) throws IOException, JCodecException { return new FrameGrab(vt, decoder).seekToSecondPrecise(second).getNativeFrame(); }
/** * Get a specified frame by number from an already open demuxer track ( * sloppy mode, i.e. nearest keyframe ) * * @param vt * @param decoder * @param frameNumber * @return * @throws IOException * @throws JCodecException */ public static Picture getNativeFrameSloppy(SeekableDemuxerTrack vt, ContainerAdaptor decoder, int frameNumber) throws IOException, JCodecException { return new FrameGrab(vt, decoder).seekToFrameSloppy(frameNumber).getNativeFrame(); }
/** * Get a specified frame by second from an already open demuxer track ( * sloppy mode, i.e. nearest keyframe ) * * @param vt * @param decoder * @param frameNumber * @return * @throws IOException * @throws JCodecException */ public static Picture getNativeFrameAtSecSloppy(SeekableDemuxerTrack vt, ContainerAdaptor decoder, double second) throws IOException, JCodecException { return new FrameGrab(vt, decoder).seekToSecondSloppy(second).getNativeFrame(); }
@Override public T next() { frameCurrent = frameNext; try { frameNext = grabber.getNativeFrame(); } catch (IOException e) { frameNext = null; } image.reshape(frameCurrent.getWidth(), frameCurrent.getHeight()); UtilJCodec.convertToBoof(frameCurrent, image); frame++; return image; }
@Override public T next() { frameCurrent = frameNext; try { frameNext = grabber.getNativeFrame(); } catch (IOException e) { frameNext = null; } image.reshape(frameCurrent.getWidth(), frameCurrent.getHeight()); UtilJCodec.convertToBoof(frameCurrent, image); frame++; return image; }
/** * Get frame at a specified second as JCodec image * * @param file * @param second * @return * @throws IOException * @throws JCodecException */ public static Picture getFrameAtSec(File file, double second) throws IOException, JCodecException { FileChannelWrapper ch = null; try { ch = NIOUtils.readableChannel(file); return createFrameGrab(ch).seekToSecondPrecise(second).getNativeFrame(); } finally { NIOUtils.closeQuietly(ch); } }
/** * Get frame at a specified frame number as JCodec image * * @param file * @param second * @return * @throws IOException * @throws JCodecException */ public static Picture getFrameFromFile(File file, int frameNumber) throws IOException, JCodecException { FileChannelWrapper ch = null; try { ch = NIOUtils.readableChannel(file); return createFrameGrab(ch).seekToFramePrecise(frameNumber).getNativeFrame(); } finally { NIOUtils.closeQuietly(ch); } }