imediaseeking.java

FMJ（freedom media for java)是java视频开发的新选择

package net.sf.jdshow;

/**
 * 
 * @author Ken Larson
 *
 */
public class IMediaSeeking extends IUnknown
{

	public IMediaSeeking(long ptr)
	{
		super(ptr);
	}

	public native int GetPositions(long[] pCurrent, long[] pStop);
	public native int SetPositions(long[] pCurrent, int currentFlags, long[] pStop, int stopFlags);
	
	public native int SetRate(double dRate);
	public native int GetRate(double[] dRate);
	
	public native int GetDuration(long[] pDuration);
	public native int GetCurrentPosition(long[] pCurrent);

	// TODO: should these be defined in their own classes?
//	typedef enum AM_SEEKING_SeekingFlags
//	{
	    public static final int AM_SEEKING_NoPositioning        = 0x00;     // No change
	    public static final int AM_SEEKING_AbsolutePositioning  = 0x01;     // Position is supplied and is absolute
	    public static final int AM_SEEKING_RelativePositioning  = 0x02;     // Position is supplied and is relative
	    public static final int AM_SEEKING_IncrementalPositioning   = 0x03; // (Stop) position relative to current
	                                                // Useful for seeking when paused (use +1)
	    public static final int AM_SEEKING_PositioningBitsMask  = 0x03;     // Useful mask
	    public static final int AM_SEEKING_SeekToKeyFrame       = 0x04;     // Just seek to key frame (performance gain)
	    public static final int AM_SEEKING_ReturnTime           = 0x08;     // Plug the media time equivalents back into the supplied LONGLONGs

	    public static final int AM_SEEKING_Segment              = 0x10;     // At end just do EC_ENDOFSEGMENT,
	                                                // don't do EndOfStream
	    public static final int AM_SEEKING_NoFlush              = 0x20;      // Don't flush
//	} AM_SEEKING_SEEKING_FLAGS;

//	typedef enum AM_SEEKING_SeekingCapabilities
//	{
    	public static final int AM_SEEKING_CanSeekAbsolute     = 0x001;
    	public static final int AM_SEEKING_CanSeekForwards     = 0x002;
    	public static final int AM_SEEKING_CanSeekBackwards    = 0x004;
    	public static final int AM_SEEKING_CanGetCurrentPos    = 0x008;
    	public static final int AM_SEEKING_CanGetStopPos       = 0x010;
    	public static final int AM_SEEKING_CanGetDuration      = 0x020;
    	public static final int AM_SEEKING_CanPlayBackwards    = 0x040;
    	public static final int AM_SEEKING_CanDoSegments       = 0x080;
    	public static final int AM_SEEKING_Source              = 0x100;  // Doesn't pass thru used to
	                                            // count segment ends
//	} AM_SEEKING_SEEKING_CAPABILITIES;
    	
    static native GUID Init_IID(GUID guid);
}