public static SubmitStatus SubmitPacketExt(this ESPlayer player, ESPacket packet)
{
Dictionary <string, IntPtr> unmanagedMemories = null;
try
{
unmanagedMemories = GetNativePacket(packet);
var nativePlayerHandle = _nativePlayerFieldGetter.Invoke(player);
var result =
_submitPacketMethodCaller.Invoke(nativePlayerHandle, unmanagedMemories["unmanagedNativePacket"]);
return(result);
}
catch (Exception)
{
throw new InvalidOperationException("Submitting espacket to native pipeline has failed.");
}
finally
{
if (unmanagedMemories != null)
{
foreach (var kv in unmanagedMemories)
{
Marshal.FreeHGlobal(kv.Value);
}
}
}
}
private static Dictionary <string, IntPtr> GetNativePacket(ESPacket packet)
{
var dictionary = new Dictionary <string, IntPtr>();
try
{
if (packet.buffer == null)
{
return(null);
}
var length = packet.buffer.Length;
var unmanagedBufferPtr = Marshal.AllocHGlobal(length * Marshal.SizeOf(packet.buffer[0]));
dictionary.Add("unmanagedBuffer", unmanagedBufferPtr);
Marshal.Copy(packet.buffer, 0, unmanagedBufferPtr, length);
var nativePacket = new NativePacket
{
type = packet.type,
buffer = unmanagedBufferPtr,
bufferSize = (uint)packet.buffer.Length,
pts = packet.pts / 1000000UL,
duration = packet.duration,
matroskaColorInfo = IntPtr.Zero,
hdr10pMetadataSize = 0,
hdr10pMetadata = IntPtr.Zero
};
var unmanagedNativePacketPtr = Marshal.AllocHGlobal(Marshal.SizeOf(nativePacket));
dictionary.Add("unmanagedNativePacket", unmanagedNativePacketPtr);
Marshal.StructureToPtr(nativePacket, unmanagedNativePacketPtr, false);
return(dictionary);
}
catch (Exception)
{
foreach (var kv in dictionary)
{
Marshal.FreeHGlobal(kv.Value);
}
throw;
}
}