void PushFrame_AnnexB(byte[] H264Packet, int FrameNumber)
{
if (H264Packet == null)
{
return;
}
if (PendingInputFrames == null)
{
PendingInputFrames = new List <PopH264.FrameInput>();
}
// if the last frame has the same frame number, append the bytes
// assuming we just have continuation packets (or say, SPS and PPS bundled together)
if (PendingInputFrames.Count > 0)
{
var LastFrame = PendingInputFrames[PendingInputFrames.Count - 1];
if (LastFrame.FrameNumber == FrameNumber)
{
LastFrame.Bytes = CombineTwoArrays(LastFrame.Bytes, H264Packet);
PendingInputFrames[PendingInputFrames.Count - 1] = LastFrame;
return;
}
}
var Frame = new PopH264.FrameInput();
Frame.Bytes = H264Packet;
Frame.FrameNumber = FrameNumber;
PendingInputFrames.Add(Frame);
}
public void PushPacket(byte[] Data, long TimeStamp)
{
if (PendingPackets == null)
{
PendingPackets = new List <PopH264.FrameInput>();
}
var NewPacket = new PopH264.FrameInput();
NewPacket.Bytes = Data;
NewPacket.FrameNumber = (int)TimeStamp;
PendingPackets.Add(NewPacket);
}
public void PushPacket(byte[] Data, long TimeMs)
{
if (PendingInputFrames == null)
{
PendingInputFrames = new List <PopH264.FrameInput>();
}
// gr: for UDP fragmented packets, we're generating massive amounts of packets which is causing a big strain
// the h264 decoder can now take any old bunch of packets, they don't need to be cut up into frames
// we still want to split them when we DO have frame numbers
// todo: keep adding to previous frame until we spot a NAL, would be good to have this split into packets unity side
// for now; keep one big buffer if the timestamp is zero (ie, no frame info)
// todo: even better when we have no meta, one giant buffer with minimal reallocs
bool AppendToPrev = (TimeMs == 0);
if (PendingInputFrames.Count == 0)
{
AppendToPrev = false;
}
if (!AppendToPrev)
{
var NewPacket = new PopH264.FrameInput();
NewPacket.FrameNumber = (int)TimeMs;
PendingInputFrames.Add(NewPacket);
if (VerboseDebug)
{
Debug.Log("New packet in buffer for time " + TimeMs + " x" + Data.Length);
}
}
// replace last packet
var Packet = PendingInputFrames[PendingInputFrames.Count - 1];
if (Packet.Bytes == null)
{
Packet.Bytes = Data;
}
else
{
if (VerboseDebug)
{
Debug.Log("Joining packets x" + Packet.Bytes.Length + " + x" + Data.Length);
}
Packet.Bytes = Packet.Bytes.JoinArray(Data);
}
// structs, so we're not modifying in-place, have to override prev
PendingInputFrames[PendingInputFrames.Count - 1] = Packet;
}
public void PushEndOfStreamPacket()
{
// manually push a endofstream h264 packet
if (PendingInputFrames == null)
{
PendingInputFrames = new List <PopH264.FrameInput>();
}
var NewPacket = new PopH264.FrameInput();
PendingInputFrames.Add(NewPacket);
if (!NewPacket.EndOfStream)
{
throw new System.Exception("New blank PopH264.FrameInput should be marked as EndOfStream");
}
}
