public static CMSampleBuffer CreateReady(CMBlockBuffer dataBuffer, CMFormatDescription formatDescription,
int samplesCount, CMSampleTimingInfo[] sampleTimingArray, nuint[] sampleSizeArray,
out CMSampleBufferError error)
{
if (dataBuffer == null)
{
throw new ArgumentNullException("dataBuffer");
}
if (samplesCount < 0)
{
throw new ArgumentOutOfRangeException("samplesCount");
}
IntPtr buffer;
var fdh = formatDescription == null ? IntPtr.Zero : formatDescription.Handle;
var timingCount = sampleTimingArray == null ? 0 : sampleTimingArray.Length;
var sizeCount = sampleSizeArray == null ? 0 : sampleSizeArray.Length;
error = CMSampleBufferCreateReady(IntPtr.Zero, dataBuffer.handle, fdh, samplesCount, timingCount,
sampleTimingArray, sizeCount, sampleSizeArray, out buffer);
if (error != CMSampleBufferError.None)
{
return(null);
}
return(new CMSampleBuffer(buffer, true));
}
public CMFormatDescription GetFormatDescription()
{
var desc = default(CMFormatDescription);
var descHandle = CMSampleBufferGetFormatDescription(handle);
if (descHandle != IntPtr.Zero)
{
desc = new CMFormatDescription(descHandle, false);
}
return(desc);
}
public static CMSampleBuffer CreateReadyWithImageBuffer(CVImageBuffer imageBuffer,
CMFormatDescription formatDescription, CMSampleTimingInfo[] sampleTiming, out CMSampleBufferError error)
{
if (sampleTiming == null)
{
throw new ArgumentNullException(nameof(sampleTiming));
}
if (sampleTiming.Length != 1)
{
throw new ArgumentException("Only a single sample is allowed.", nameof(sampleTiming));
}
return(CreateReadyWithImageBuffer(imageBuffer, formatDescription, sampleTiming, out error));
}
public static CMSampleBuffer CreateReadyWithImageBuffer(CVImageBuffer imageBuffer,
CMFormatDescription formatDescription, ref CMSampleTimingInfo sampleTiming, out CMSampleBufferError error)
{
if (imageBuffer == null)
{
throw new ArgumentNullException(nameof(imageBuffer));
}
if (formatDescription == null)
{
throw new ArgumentNullException(nameof(formatDescription));
}
IntPtr buffer;
error = CMSampleBufferCreateReadyWithImageBuffer(IntPtr.Zero, imageBuffer.handle,
formatDescription.Handle, ref sampleTiming, out buffer);
if (error != CMSampleBufferError.None)
return(null); }
public static CMSampleBuffer CreateReadyWithPacketDescriptions(CMBlockBuffer dataBuffer, CMFormatDescription formatDescription, int samplesCount,
CMTime sampleTimestamp, AudioStreamPacketDescription[] packetDescriptions, out CMSampleBufferError error)
{
if (dataBuffer == null)
{
throw new ArgumentNullException("dataBuffer");
}
if (formatDescription == null)
{
throw new ArgumentNullException("formatDescription");
}
if (samplesCount <= 0)
{
throw new ArgumentOutOfRangeException("samplesCount");
}
IntPtr buffer;
error = CMAudioSampleBufferCreateReadyWithPacketDescriptions(IntPtr.Zero, dataBuffer.handle,
formatDescription.handle, samplesCount, sampleTimestamp, packetDescriptions, out buffer);
if (error != CMSampleBufferError.None)
{
return(null);
}
return(new CMSampleBuffer(buffer, true));
}
public static CMSampleBuffer?CreateWithPacketDescriptions(CMBlockBuffer?dataBuffer, CMFormatDescription formatDescription, int samplesCount,
CMTime sampleTimestamp, AudioStreamPacketDescription[] packetDescriptions, out CMSampleBufferError error)
{
if (formatDescription is null)
{
ObjCRuntime.ThrowHelper.ThrowArgumentNullException(nameof(formatDescription));
}
if (samplesCount <= 0)
{
ObjCRuntime.ThrowHelper.ThrowArgumentOutOfRangeException(nameof(samplesCount), "Negative");
}
IntPtr buffer;
error = CMAudioSampleBufferCreateWithPacketDescriptions(IntPtr.Zero,
dataBuffer.GetHandle(),
true, IntPtr.Zero, IntPtr.Zero,
formatDescription.Handle,
samplesCount, sampleTimestamp,
packetDescriptions,
out buffer);
if (error != CMSampleBufferError.None)
{
return(null);
}
return(new CMSampleBuffer(buffer, true));
}
public static CMSampleBuffer?CreateReadyWithPacketDescriptions(CMBlockBuffer dataBuffer, CMFormatDescription formatDescription, int samplesCount,
CMTime sampleTimestamp, AudioStreamPacketDescription[]?packetDescriptions, out CMSampleBufferError error)
{
if (dataBuffer is null)
{
ObjCRuntime.ThrowHelper.ThrowArgumentNullException(nameof(dataBuffer));
}
if (formatDescription is null)
{
ObjCRuntime.ThrowHelper.ThrowArgumentNullException(nameof(formatDescription));
}
if (samplesCount <= 0)
{
ObjCRuntime.ThrowHelper.ThrowArgumentOutOfRangeException(nameof(samplesCount), "smaller than 0");
}
error = CMAudioSampleBufferCreateReadyWithPacketDescriptions(IntPtr.Zero, dataBuffer.Handle,
formatDescription.Handle, samplesCount, sampleTimestamp, packetDescriptions, out var buffer);
if (error != CMSampleBufferError.None)
{
return(null);
}
return(new CMSampleBuffer(buffer, true));
}
