107 lines
2.9 KiB
C++
107 lines
2.9 KiB
C++
/********************************************************************************
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Copyright (C) 2012 Hugh Bailey <obs.jim@gmail.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
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********************************************************************************/
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struct NetworkPacket
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{
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List<BYTE> data;
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DWORD timestamp;
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PacketType type;
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UINT distanceFromDroppedFrame;
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};
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//max latency in milliseconds allowed when using the send buffer
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const DWORD maxBufferTime = 600;
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struct PacketTimeSize
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{
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inline PacketTimeSize(DWORD timestamp, DWORD size) : timestamp(timestamp), size(size) {}
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DWORD timestamp;
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DWORD size;
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};
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class RTMPPublisher : public NetworkStream
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{
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friend class DelayedPublisher;
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List<PacketTimeSize> packetSizeRecord;
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DWORD outputRateSize;
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bool numStartFrames, bNetworkStrain;
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double dNetworkStrain;
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int ignoreCount;
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DWORD currentBufferSize, sendTime;
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DWORD bufferTime, outputRateWindowTime, dropThreshold, connectTime;
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List<NetworkPacket> queuedPackets;
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bool bStreamStarted;
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bool bConnecting, bConnected;
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static DWORD WINAPI CreateConnectionThread(RTMPPublisher *publisher);
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void BeginPublishingInternal();
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int FlushSendBuffer();
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static int BufferedSend(RTMPSockBuf *sb, const char *buf, int len, RTMPPublisher *network);
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protected:
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RTMP *rtmp;
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HANDLE hSendSempahore;
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HANDLE hDataMutex;
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HANDLE hSendThread;
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bool bStopping;
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int packetWaitType;
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QWORD bytesSent;
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UINT totalFrames;
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UINT numPFramesDumped;
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UINT numBFramesDumped;
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BOOL bUseSendBuffer;
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List<BYTE> sendBuffer;
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int curSendBufferLen;
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DWORD numVideoPacketsBuffered;
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DWORD firstBufferedVideoFrameTimestamp;
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void SendLoop();
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static DWORD SendThread(RTMPPublisher *publisher);
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void DropFrame(UINT id);
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bool DoIFrameDelay(bool bBFramesOnly);
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void ProcessPackets(DWORD timestamp);
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public:
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RTMPPublisher();
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bool Init(RTMP *rtmpIn, UINT tcpBufferSize, BOOL bUseSendBuffer, UINT sendBufferSize);
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~RTMPPublisher();
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void SendPacket(BYTE *data, UINT size, DWORD timestamp, PacketType type);
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void BeginPublishing();
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double GetPacketStrain() const;
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QWORD GetCurrentSentBytes();
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DWORD NumDroppedFrames() const;
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}; |