//OdmPlayer.MetadataCallback metadataHandler = (buffer, size, markerBit, seqNum) =>
public unsafe void ProcessMetadata(IntPtr buffer, int size, bool markerBit, int seqNum)
{
//if (!initialized) {
// if (markerBit) {
// expectedSeqNum = seqNum + 1;
// initialized = true;
// }
// return;
//}
//if (expectedSeqNum != seqNum) {
// //metadata corrupted
// if (!markerBit) {
// initialized = false;
// frame = null;
// return;
// }
// expectedSeqNum = seqNum + 1;
// return;
//}
//expectedSeqNum = seqNum + 1;
//if (!markerBit) {
// if (frame == null) {
// frameCapacity = 2 * size;
// frame = new Byte[frameCapacity];
// farmeOffset = size;
// Marshal.Copy(buffer, frame, 0, size);
// } else {
// //ensure capacity
// if (frameCapacity < farmeOffset + size) {
// //reallocate array
// frameCapacity = (farmeOffset + size) * 2;
// var newFrame = new byte[frameCapacity];
// frame.CopyTo(newFrame, 0);
// frame = newFrame;
// }
// Marshal.Copy(buffer, frame, farmeOffset, size);
// farmeOffset += size;
// }
//} else {
// if (frame == null) {
// frame = new Byte[size];
// farmeOffset = size;
// frameCapacity = size;
// Marshal.Copy(buffer, frame, 0, size);
// } else {
// //ensure capacity
// if (frameCapacity < farmeOffset + size) {
// frameCapacity = (farmeOffset + size) * 2;
// var newFrame = new byte[frameCapacity];
// frame.CopyTo(newFrame, 0);
// frame = newFrame;
// }
// Marshal.Copy(buffer, frame, farmeOffset, size);
// farmeOffset += size;
// }
using (var stream = new UnmanagedMemoryStream((byte *)buffer, size)) {
try {
callback.Invoke(stream);
} catch (Exception err) {
//swallow error
log.WriteError(err);
}
}
//frame = null;
//frameCapacity = 0;
//farmeOffset = 0;
//}
}
//OdmPlayer.MetadataCallback metadataHandler = (buffer, size, markerBit, seqNum) =>
public void ProcessMetadata(IntPtr buffer, int size, bool markerBit, int seqNum)
{
if (!initialized)
{
if (markerBit)
{
expectedSeqNum = seqNum + 1;
initialized = true;
}
return;
}
if (expectedSeqNum != seqNum)
{
//metadata corrupted
if (!markerBit)
{
initialized = false;
frame = null;
return;
}
expectedSeqNum = seqNum + 1;
return;
}
expectedSeqNum = seqNum + 1;
if (!markerBit)
{
if (frame == null)
{
frameCapacity = 2 * size;
frame = new Byte[frameCapacity];
farmeOffset = size;
Marshal.Copy(buffer, frame, 0, size);
}
else
{
//ensure capacity
if (frameCapacity < farmeOffset + size)
{
//reallocate array
frameCapacity = (farmeOffset + size) * 2;
var newFrame = new byte[frameCapacity];
frame.CopyTo(newFrame, 0);
frame = newFrame;
}
Marshal.Copy(buffer, frame, farmeOffset, size);
farmeOffset += size;
}
}
else
{
if (frame == null)
{
frame = new Byte[size];
farmeOffset = size;
frameCapacity = size;
Marshal.Copy(buffer, frame, 0, size);
}
else
{
//ensure capacity
if (frameCapacity < farmeOffset + size)
{
frameCapacity = (farmeOffset + size) * 2;
var newFrame = new byte[frameCapacity];
frame.CopyTo(newFrame, 0);
frame = newFrame;
}
Marshal.Copy(buffer, frame, farmeOffset, size);
farmeOffset += size;
}
using (var stream = new MemoryStream(frame, 0, farmeOffset)) {
try {
callback.Invoke(stream);
} catch (Exception err) {
//swallow error
log.WriteError(err);
}
}
frame = null;
frameCapacity = 0;
farmeOffset = 0;
}
}