public Gst.FlowReturn AcquireBuffer(out Gst.Buffer buffer, Gst.BufferPoolAcquireParams parms)
{
IntPtr native_buffer;
IntPtr native_parms = GLib.Marshaller.StructureToPtrAlloc(parms);
int raw_ret = gst_buffer_pool_acquire_buffer(Handle, out native_buffer, native_parms);
Gst.FlowReturn ret = (Gst.FlowReturn)raw_ret;
buffer = native_buffer == IntPtr.Zero ? null : (Gst.Buffer)GLib.Opaque.GetOpaque(native_buffer, typeof(Gst.Buffer), true);
Marshal.FreeHGlobal(native_parms);
return(ret);
}
private Gst.FlowReturn InternalAllocBuffer(Gst.Buffer buffer, Gst.BufferPoolAcquireParams parms)
{
AllocBufferNativeDelegate unmanaged = null;
unsafe {
IntPtr *raw_ptr = (IntPtr *)(((long)this.LookupGType().GetThresholdType().GetClassPtr()) + (long)class_abi.GetFieldOffset("alloc_buffer"));
unmanaged = (AllocBufferNativeDelegate)Marshal.GetDelegateForFunctionPointer(*raw_ptr, typeof(AllocBufferNativeDelegate));
}
if (unmanaged == null)
{
return((Gst.FlowReturn) 0);
}
IntPtr native_parms = GLib.Marshaller.StructureToPtrAlloc(parms);
int __result = unmanaged(this.Handle, buffer == null ? IntPtr.Zero : buffer.Handle, native_parms);
Marshal.FreeHGlobal(native_parms);
return((Gst.FlowReturn)__result);
}
private Gst.FlowReturn InternalAcquireBuffer(out Gst.Buffer buffer, Gst.BufferPoolAcquireParams parms)
{
AcquireBufferNativeDelegate unmanaged = null;
unsafe {
IntPtr *raw_ptr = (IntPtr *)(((long)this.LookupGType().GetThresholdType().GetClassPtr()) + (long)class_abi.GetFieldOffset("acquire_buffer"));
unmanaged = (AcquireBufferNativeDelegate)Marshal.GetDelegateForFunctionPointer(*raw_ptr, typeof(AcquireBufferNativeDelegate));
}
if (unmanaged == null)
{
throw new InvalidOperationException("No base method to invoke");
}
IntPtr native_buffer;
IntPtr native_parms = GLib.Marshaller.StructureToPtrAlloc(parms);
int __result = unmanaged(this.Handle, out native_buffer, native_parms);
buffer = native_buffer == IntPtr.Zero ? null : (Gst.Buffer)GLib.Opaque.GetOpaque(native_buffer, typeof(Gst.Buffer), true);
Marshal.FreeHGlobal(native_parms);
return((Gst.FlowReturn)__result);
}
protected virtual Gst.FlowReturn OnAllocBuffer(Gst.Buffer buffer, Gst.BufferPoolAcquireParams parms)
{
return(InternalAllocBuffer(buffer, parms));
}