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 CreateWithPacketDescriptions (CMBlockBuffer dataBuffer, CMFormatDescription formatDescription, int samplesCount,
CMTime sampleTimestamp, AudioStreamPacketDescription[] packetDescriptions, out CMSampleBufferError error)
{
if (formatDescription == null)
throw new ArgumentNullException ("formatDescription");
if (samplesCount <= 0)
throw new ArgumentOutOfRangeException ("samplesCount");
IntPtr buffer;
error = CMAudioSampleBufferCreateWithPacketDescriptions (IntPtr.Zero,
dataBuffer == null ? IntPtr.Zero : dataBuffer.Handle,
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 CreateWithPacketDescriptions(CMBlockBuffer dataBuffer, CMFormatDescription formatDescription, int samplesCount,
CMTime sampleTimestamp, AudioStreamPacketDescription[] packetDescriptions, out CMSampleBufferError error)
{
if (formatDescription == null)
{
throw new ArgumentNullException("formatDescription");
}
if (samplesCount <= 0)
{
throw new ArgumentOutOfRangeException("samplesCount");
}
IntPtr buffer;
error = CMAudioSampleBufferCreateWithPacketDescriptions(IntPtr.Zero,
dataBuffer == null ? IntPtr.Zero : dataBuffer.handle,
true, IntPtr.Zero, IntPtr.Zero,
formatDescription.handle,
samplesCount, sampleTimestamp,
packetDescriptions,
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;
}
