public unsafe CMSampleTimingInfo [] GetSampleTimingInfo(out OSStatus status)
{
int count;
status = 0;
if (handle == IntPtr.Zero)
{
return(null);
}
if ((status = CMSampleBufferGetSampleTimingInfoArray(handle, 0, null, out count)) != 0)
{
return(null);
}
CMSampleTimingInfo [] pInfo = new CMSampleTimingInfo [count];
if (count == 0)
{
return(pInfo);
fixed(CMSampleTimingInfo *info = pInfo)
if ((status = CMSampleBufferGetSampleTimingInfoArray(handle, count, info, out count)) != 0)
return(null);
}
return(pInfo);
}
static extern CMSampleBufferError CMSampleBufferCreateForImageBuffer(IntPtr allocator,
IntPtr imageBuffer, bool dataReady,
IntPtr makeDataReadyCallback, IntPtr makeDataReadyRefcon,
IntPtr formatDescription,
ref CMSampleTimingInfo sampleTiming,
out IntPtr bufOut
);
public static CMSampleBuffer CreateForImageBuffer(CVImageBuffer imageBuffer, bool dataReady, CMVideoFormatDescription formatDescription, CMSampleTimingInfo sampleTiming, out CMSampleBufferError error)
{
if (imageBuffer == null)
{
throw new ArgumentNullException("imageBuffer");
}
if (formatDescription == null)
{
throw new ArgumentNullException("formatDescription");
}
IntPtr buffer;
error = CMSampleBufferCreateForImageBuffer(IntPtr.Zero,
imageBuffer.handle, dataReady,
IntPtr.Zero, IntPtr.Zero,
formatDescription.handle,
ref sampleTiming,
out buffer);
if (error != CMSampleBufferError.None)
{
return(null);
}
return(new CMSampleBuffer(buffer, true));
}
unsafe static extern OSStatus CMSampleBufferGetSampleTimingInfoArray ( IntPtr sbuf, int timingArrayEntries, CMSampleTimingInfo* timingArrayOut, out int timingArrayEntriesNeededOut );
public unsafe CMSampleTimingInfo [] GetSampleTimingInfo (out OSStatus status) {
int count;
status = 0;
if (handle == IntPtr.Zero)
return null;
if ((status = CMSampleBufferGetSampleTimingInfoArray (handle, 0, null, out count)) != 0)
return null;
CMSampleTimingInfo [] pInfo = new CMSampleTimingInfo [count];
if (count == 0)
return pInfo;
fixed (CMSampleTimingInfo* info = pInfo)
if ((status = CMSampleBufferGetSampleTimingInfoArray (handle, count, info, out count)) != 0)
return null;
return pInfo;
}
public static CMSampleBuffer CreateForImageBuffer (CVImageBuffer imageBuffer, bool dataReady, CMVideoFormatDescription formatDescription, CMSampleTimingInfo sampleTiming, out CMSampleBufferError error)
{
if (imageBuffer == null)
throw new ArgumentNullException ("imageBuffer");
if (formatDescription == null)
throw new ArgumentNullException ("formatDescription");
IntPtr buffer;
error = CMSampleBufferCreateForImageBuffer (IntPtr.Zero,
imageBuffer.handle, dataReady,
IntPtr.Zero, IntPtr.Zero,
formatDescription.handle,
ref sampleTiming,
out buffer);
if (error != CMSampleBufferError.None)
return null;
return new CMSampleBuffer (buffer, true);
}
static extern CMSampleBufferError CMSampleBufferCreateForImageBuffer (IntPtr allocator, IntPtr imageBuffer, bool dataReady, IntPtr makeDataReadyCallback, IntPtr makeDataReadyRefcon, IntPtr formatDescription, ref CMSampleTimingInfo sampleTiming, out IntPtr bufOut );
public unsafe static CMSampleBuffer CreateWithNewTiming (CMSampleBuffer original, CMSampleTimingInfo [] timing, out OSStatus status)
{
IntPtr handle;
fixed (CMSampleTimingInfo *t = timing)
if ((status = CMSampleBufferCreateCopyWithNewTiming (IntPtr.Zero, original.Handle, timing.Length, t, out handle)) != 0)
return null;
return new CMSampleBuffer (handle, true);
}
public static CMSampleBuffer CreateWithNewTiming (CMSampleBuffer original, CMSampleTimingInfo [] timing)
{
OSStatus status;
return CreateWithNewTiming (original, timing, out status);
}
unsafe static extern OSStatus CMSampleBufferCreateCopyWithNewTiming ( IntPtr allocator, IntPtr originalSBuf, int numSampleTimingEntries, CMSampleTimingInfo* sampleTimingArray, out IntPtr sBufCopyOut );
