public void CreateEmpty()
{
CMBlockBufferError err;
using (var bb = CMBlockBuffer.CreateEmpty(16, CMBlockBufferFlags.AssureMemoryNow, out err)) {
Assert.That(err, Is.EqualTo(CMBlockBufferError.None), "error");
Assert.That(bb.DataLength, Is.EqualTo((nuint)0), "DataLength");
}
}
public void CreateReady()
{
TestRuntime.AssertSystemVersion(PlatformName.iOS, 8, 0, throwIfOtherPlatform: false);
TestRuntime.AssertSystemVersion(PlatformName.MacOSX, 10, 10, throwIfOtherPlatform: false);
CMBlockBufferError bbe;
using (var bb = CMBlockBuffer.CreateEmpty(0, CMBlockBufferFlags.AlwaysCopyData, out bbe)) {
CMSampleBufferError sbe;
using (var sb = CMSampleBuffer.CreateReady(bb, null, 0, null, null, out sbe)) {
Assert.That(sb.Handle, Is.Not.EqualTo(IntPtr.Zero), "CMSampleBuffer");
Assert.That(sbe, Is.EqualTo(CMSampleBufferError.None), "CMSampleBufferError");
}
}
}
public void CreateReady()
{
if (!TestRuntime.CheckSystemAndSDKVersion(8, 0))
{
Assert.Inconclusive("Requires iOS8");
}
CMBlockBufferError bbe;
using (var bb = CMBlockBuffer.CreateEmpty(0, CMBlockBufferFlags.AlwaysCopyData, out bbe)) {
CMSampleBufferError sbe;
using (var sb = CMSampleBuffer.CreateReady(bb, null, 0, null, null, out sbe)) {
Assert.That(sb.Handle, Is.Not.EqualTo(IntPtr.Zero), "CMSampleBuffer");
Assert.That(sbe, Is.EqualTo(CMSampleBufferError.None), "CMSampleBufferError");
}
}
}
protected ICMAttachmentBearer GetInstance(Type t)
{
if (!CMAttachmentInterfaceType.IsAssignableFrom(t))
{
throw new ArgumentException("t");
}
switch (t.Name)
{
case "CMBlockBuffer":
CMBlockBufferError bbe;
var result = CMBlockBuffer.CreateEmpty(0, CMBlockBufferFlags.AssureMemoryNow, out bbe);
if (bbe == CMBlockBufferError.None)
{
return(result);
}
else
{
throw new InvalidOperationException(string.Format("Could not create the new instance {0}.", bbe.ToString()));
}
case "CMSampleBuffer":
var pixelBuffer = new CVPixelBuffer(20, 10, CVPixelFormatType.CV24RGB);
CMFormatDescriptionError fde;
var desc = CMVideoFormatDescription.CreateForImageBuffer(pixelBuffer, out fde);
var sampleTiming = new CMSampleTimingInfo();
CMSampleBufferError sbe;
var sb = CMSampleBuffer.CreateForImageBuffer(pixelBuffer, true, desc, sampleTiming, out sbe);
if (sbe == CMSampleBufferError.None)
{
return(sb);
}
else
{
throw new InvalidOperationException(string.Format("Could not create the new instance {0}.", sbe.ToString()));
}
default:
throw new InvalidOperationException(string.Format("Could not create the new instance for type {0}.", t.Name));
}
}
public void CreateReadyWithPacketDescriptions()
{
TestRuntime.AssertSystemVersion(PlatformName.iOS, 8, 0, throwIfOtherPlatform: false);
TestRuntime.AssertSystemVersion(PlatformName.MacOSX, 10, 10, throwIfOtherPlatform: false);
CMBlockBufferError bbe;
using (var bb = CMBlockBuffer.CreateEmpty(0, CMBlockBufferFlags.AlwaysCopyData, out bbe)) {
CMFormatDescriptionError fde;
using (var fd = CMFormatDescription.Create(CMMediaType.ClosedCaption, (uint)CMClosedCaptionFormatType.CEA608, out fde)) {
CMSampleBufferError sbe;
using (var sb = CMSampleBuffer.CreateReadyWithPacketDescriptions(bb, fd, 1, CMTime.Indefinite, null, out sbe)) {
Assert.Null(sb, "CMSampleBuffer");
// the `null` does not match format description (but I lack a better test, at least it's callable)
Assert.That(sbe, Is.EqualTo(CMSampleBufferError.RequiredParameterMissing), "CMSampleBufferError");
}
}
}
}
public void CreateReadyWithPacketDescriptions()
{
if (!TestRuntime.CheckSystemAndSDKVersion(8, 0))
{
Assert.Inconclusive("Requires iOS8");
}
CMBlockBufferError bbe;
using (var bb = CMBlockBuffer.CreateEmpty(0, CMBlockBufferFlags.AlwaysCopyData, out bbe)) {
CMFormatDescriptionError fde;
using (var fd = CMFormatDescription.Create(CMMediaType.ClosedCaption, (uint)CMClosedCaptionFormatType.CEA608, out fde)) {
CMSampleBufferError sbe;
using (var sb = CMSampleBuffer.CreateReadyWithPacketDescriptions(bb, fd, 1, CMTime.Indefinite, null, out sbe)) {
Assert.Null(sb, "CMSampleBuffer");
// the `null` does not match format description (but I lack a better test, at least it's callable)
Assert.That(sbe, Is.EqualTo(CMSampleBufferError.RequiredParameterMissing), "CMSampleBufferError");
}
}
}
}