1091 lines
32 KiB
C++
1091 lines
32 KiB
C++
/********************************************************************************
|
|
Copyright (C) 2012 Hugh Bailey <obs.jim@gmail.com>
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
|
|
********************************************************************************/
|
|
|
|
|
|
#include "Main.h"
|
|
#include "RTMPStuff.h"
|
|
#include "RTMPPublisher.h"
|
|
|
|
|
|
//QWORD totalCalls = 0, totalTime = 0;
|
|
|
|
|
|
void rtmp_log_output(int level, const char *format, va_list vl)
|
|
{
|
|
int size = _vscprintf(format, vl);
|
|
LPSTR lpTemp = (LPSTR)Allocate(size+1);
|
|
vsprintf_s(lpTemp, size+1, format, vl);
|
|
|
|
// OSDebugOut(TEXT("%S\r\n"), lpTemp);
|
|
Log(TEXT("%S\r\n"), lpTemp);
|
|
|
|
Free(lpTemp);
|
|
}
|
|
|
|
RTMPPublisher::RTMPPublisher()
|
|
{
|
|
hSendSempahore = CreateSemaphore(NULL, 0, 0x7FFFFFFFL, NULL);
|
|
if(!hSendSempahore)
|
|
CrashError(TEXT("RTMPPublisher: Could not create semaphore"));
|
|
|
|
hDataMutex = OSCreateMutex();
|
|
if(!hDataMutex)
|
|
CrashError(TEXT("RTMPPublisher: Could not create mutex"));
|
|
|
|
//------------------------------------------
|
|
|
|
bufferTime = (DWORD)AppConfig->GetInt(TEXT("Publish"), TEXT("FrameDropBufferTime"), 2000);
|
|
if(bufferTime < 1000) bufferTime = 1000;
|
|
else if(bufferTime > 10000) bufferTime = 10000;
|
|
|
|
connectTime = bufferTime-600; //connect about 600 milliseconds before we start sending
|
|
outputRateWindowTime = (DWORD)AppConfig->GetInt(TEXT("Publish"), TEXT("OutputRateWindowTime"), 1000);
|
|
if(outputRateWindowTime < 200) outputRateWindowTime = 200;
|
|
else if(outputRateWindowTime > 4000) outputRateWindowTime = 4000;
|
|
|
|
dropThreshold = (DWORD)AppConfig->GetInt(TEXT("Publish"), TEXT("FrameDropThreshold"), 500);
|
|
if(dropThreshold < 50) dropThreshold = 50;
|
|
else if(dropThreshold > 1000) dropThreshold = 1000;
|
|
dropThreshold += bufferTime;
|
|
}
|
|
|
|
bool RTMPPublisher::Init(RTMP *rtmpIn, UINT tcpBufferSize, BOOL bUseSendBuffer, UINT sendBufferSize)
|
|
{
|
|
rtmp = rtmpIn;
|
|
|
|
//------------------------------------------
|
|
|
|
sendBuffer.SetSize(sendBufferSize);
|
|
curSendBufferLen = 0;
|
|
|
|
this->bUseSendBuffer = bUseSendBuffer;
|
|
|
|
if(bUseSendBuffer)
|
|
{
|
|
Log(TEXT("Using Send Buffer Size: %u"), sendBufferSize);
|
|
|
|
rtmp->m_customSendFunc = (CUSTOMSEND)RTMPPublisher::BufferedSend;
|
|
rtmp->m_customSendParam = this;
|
|
rtmp->m_bCustomSend = TRUE;
|
|
}
|
|
|
|
//------------------------------------------
|
|
|
|
int curTCPBufSize, curTCPBufSizeSize = 4;
|
|
getsockopt (rtmp->m_sb.sb_socket, SOL_SOCKET, SO_SNDBUF, (char *)&curTCPBufSize, &curTCPBufSizeSize);
|
|
|
|
if(curTCPBufSize < int(tcpBufferSize))
|
|
{
|
|
setsockopt (rtmp->m_sb.sb_socket, SOL_SOCKET, SO_SNDBUF, (const char *)&tcpBufferSize, sizeof(tcpBufferSize));
|
|
getsockopt (rtmp->m_sb.sb_socket, SOL_SOCKET, SO_SNDBUF, (char *)&curTCPBufSize, &curTCPBufSizeSize);
|
|
if(curTCPBufSize != tcpBufferSize)
|
|
Log(TEXT("Could not set SO_SNDBUF to %u, value is now %u"), tcpBufferSize, curTCPBufSize);
|
|
}
|
|
else
|
|
Log(TEXT("SO_SNDBUF already at %u"), curTCPBufSize);
|
|
|
|
//------------------------------------------
|
|
|
|
hSendThread = OSCreateThread((XTHREAD)RTMPPublisher::SendThread, this);
|
|
if(!hSendThread)
|
|
CrashError(TEXT("RTMPPublisher: Could not create send thread"));
|
|
|
|
hBufferEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
|
|
hBufferSpaceAvailableEvent = CreateEvent(NULL, FALSE, FALSE, NULL);
|
|
|
|
hDataBufferMutex = OSCreateMutex();
|
|
|
|
dataBuffer = (BYTE *)Allocate(262144);
|
|
|
|
hSocketThread = OSCreateThread((XTHREAD)RTMPPublisher::SocketThread, this);
|
|
if(!hSocketThread)
|
|
CrashError(TEXT("RTMPPublisher: Could not create send thread"));
|
|
|
|
//------------------------------------------
|
|
|
|
packetWaitType = 0;
|
|
|
|
return true;
|
|
}
|
|
|
|
RTMPPublisher::~RTMPPublisher()
|
|
{
|
|
bStopping = true;
|
|
if(hSendThread)
|
|
{
|
|
ReleaseSemaphore(hSendSempahore, 1, NULL);
|
|
OSTerminateThread(hSendThread, 20000);
|
|
}
|
|
|
|
if(hSendSempahore)
|
|
CloseHandle(hSendSempahore);
|
|
|
|
if(hDataMutex)
|
|
OSCloseMutex(hDataMutex);
|
|
|
|
//flush the last of the data
|
|
if(bUseSendBuffer && RTMP_IsConnected(rtmp))
|
|
FlushSendBuffer();
|
|
|
|
//FIXME: flush the data buffer before destroying it.
|
|
|
|
if (dataBuffer)
|
|
Free(dataBuffer);
|
|
|
|
if (hDataBufferMutex)
|
|
OSCloseMutex(hDataBufferMutex);
|
|
|
|
if (hBufferEvent)
|
|
CloseHandle(hBufferEvent);
|
|
|
|
if (hBufferSpaceAvailableEvent)
|
|
CloseHandle(hBufferSpaceAvailableEvent);
|
|
|
|
if(hSendThread)
|
|
OSTerminateThread(hSocketThread, 20000);
|
|
|
|
//--------------------------
|
|
|
|
for(UINT i=0; i<queuedPackets.Num(); i++)
|
|
queuedPackets[i].data.Clear();
|
|
queuedPackets.Clear();
|
|
|
|
double dTotalFrames = double(totalFrames);
|
|
double dBFrameDropPercentage = double(numBFramesDumped)/dTotalFrames*100.0;
|
|
double dPFrameDropPercentage = double(numPFramesDumped)/dTotalFrames*100.0;
|
|
|
|
Log(TEXT("Number of b-frames dropped: %u (%0.2g%%), Number of p-frames dropped: %u (%0.2g%%), Total %u (%0.2g%%)"),
|
|
numBFramesDumped, dBFrameDropPercentage,
|
|
numPFramesDumped, dPFrameDropPercentage,
|
|
numBFramesDumped+numPFramesDumped, dBFrameDropPercentage+dPFrameDropPercentage);
|
|
|
|
/*if(totalCalls)
|
|
Log(TEXT("average send time: %u"), totalTime/totalCalls);*/
|
|
|
|
//--------------------------
|
|
|
|
if(rtmp)
|
|
{
|
|
RTMP_Close(rtmp);
|
|
RTMP_Free(rtmp);
|
|
}
|
|
}
|
|
|
|
void RTMPPublisher::ProcessPackets(DWORD timestamp)
|
|
{
|
|
if(queuedPackets.Num())
|
|
{
|
|
DWORD queueTime = queuedPackets.Last().timestamp-queuedPackets[0].timestamp;
|
|
DWORD adjustedOutputRateSize = outputRateSize*bufferTime/outputRateWindowTime;
|
|
|
|
//Log(TEXT("queueTime: %u, adjustedOutputRateSize: %u, currentBufferSize: %u, queuedPackets.Num: %u, timestamp: %u"), queueTime, adjustedOutputRateSize, currentBufferSize, queuedPackets.Num(), timestamp);
|
|
|
|
if (queueTime)
|
|
dNetworkStrain = (double(queueTime)/double(dropThreshold));
|
|
|
|
if( bStreamStarted &&
|
|
!ignoreCount &&
|
|
queueTime > dropThreshold)
|
|
{
|
|
if(currentBufferSize > adjustedOutputRateSize)
|
|
{
|
|
//Log(TEXT("killing frames"));
|
|
while(currentBufferSize > adjustedOutputRateSize)
|
|
{
|
|
if(!DoIFrameDelay(false))
|
|
break;
|
|
}
|
|
|
|
bNetworkStrain = true;
|
|
}
|
|
/*else
|
|
Log(TEXT("ignoring frames"));*/
|
|
|
|
ignoreCount = int(queuedPackets.Num());
|
|
}
|
|
}
|
|
|
|
if(!bConnected && !bConnecting && timestamp > connectTime)
|
|
{
|
|
HANDLE hConnectionThread = OSCreateThread((XTHREAD)CreateConnectionThread, this);
|
|
OSCloseThread(hConnectionThread);
|
|
|
|
bConnecting = true;
|
|
}
|
|
|
|
if(timestamp >= bufferTime)
|
|
{
|
|
if(bConnected)
|
|
{
|
|
if(!bStreamStarted)
|
|
{
|
|
BeginPublishingInternal();
|
|
bStreamStarted = true;
|
|
|
|
DWORD timeAdjust = timestamp-bufferTime;
|
|
bufferTime += timeAdjust;
|
|
dropThreshold += timeAdjust;
|
|
|
|
Log(TEXT("bufferTime: %u, outputRateWindowTime: %u, dropThreshold: %u"), bufferTime, outputRateWindowTime, dropThreshold);
|
|
}
|
|
|
|
sendTime = timestamp-bufferTime;
|
|
ReleaseSemaphore(hSendSempahore, 1, NULL);
|
|
}
|
|
}
|
|
}
|
|
|
|
void RTMPPublisher::SendPacket(BYTE *data, UINT size, DWORD timestamp, PacketType type)
|
|
{
|
|
if(!bStopping)
|
|
{
|
|
totalFrames++;
|
|
|
|
bool bAddPacket = false;
|
|
if(type >= packetWaitType)
|
|
{
|
|
if(type != PacketType_Audio)
|
|
packetWaitType = PacketType_VideoDisposable;
|
|
|
|
bAddPacket = true;
|
|
}
|
|
|
|
OSEnterMutex(hDataMutex);
|
|
|
|
if(bAddPacket)
|
|
{
|
|
List<BYTE> paddedData;
|
|
paddedData.SetSize(size+RTMP_MAX_HEADER_SIZE);
|
|
mcpy(paddedData.Array()+RTMP_MAX_HEADER_SIZE, data, size);
|
|
|
|
currentBufferSize += paddedData.Num();
|
|
|
|
UINT droppedFrameVal = queuedPackets.Num() ? queuedPackets.Last().distanceFromDroppedFrame+1 : 10000;
|
|
|
|
NetworkPacket *queuedPacket = queuedPackets.CreateNew();
|
|
queuedPacket->distanceFromDroppedFrame = droppedFrameVal;
|
|
queuedPacket->data.TransferFrom(paddedData);
|
|
queuedPacket->timestamp = timestamp;
|
|
queuedPacket->type = type;
|
|
}
|
|
else
|
|
{
|
|
if(type < PacketType_VideoHigh)
|
|
numBFramesDumped++;
|
|
else
|
|
numPFramesDumped++;
|
|
}
|
|
|
|
ProcessPackets(timestamp);
|
|
|
|
OSLeaveMutex(hDataMutex);
|
|
}
|
|
}
|
|
|
|
void RTMPPublisher::BeginPublishingInternal()
|
|
{
|
|
RTMPPacket packet;
|
|
|
|
char pbuf[2048], *pend = pbuf+sizeof(pbuf);
|
|
|
|
packet.m_nChannel = 0x03; // control channel (invoke)
|
|
packet.m_headerType = RTMP_PACKET_SIZE_LARGE;
|
|
packet.m_packetType = RTMP_PACKET_TYPE_INFO;
|
|
packet.m_nTimeStamp = 0;
|
|
packet.m_nInfoField2 = rtmp->m_stream_id;
|
|
packet.m_hasAbsTimestamp = TRUE;
|
|
packet.m_body = pbuf + RTMP_MAX_HEADER_SIZE;
|
|
|
|
char *enc = packet.m_body;
|
|
enc = AMF_EncodeString(enc, pend, &av_setDataFrame);
|
|
enc = AMF_EncodeString(enc, pend, &av_onMetaData);
|
|
enc = App->EncMetaData(enc, pend);
|
|
|
|
packet.m_nBodySize = enc - packet.m_body;
|
|
if(!RTMP_SendPacket(rtmp, &packet, FALSE))
|
|
{
|
|
App->PostStopMessage();
|
|
return;
|
|
}
|
|
|
|
//----------------------------------------------
|
|
|
|
List<BYTE> packetPadding;
|
|
DataPacket mediaHeaders;
|
|
|
|
//----------------------------------------------
|
|
|
|
packet.m_nChannel = 0x05; // source channel
|
|
packet.m_packetType = RTMP_PACKET_TYPE_AUDIO;
|
|
|
|
App->GetAudioHeaders(mediaHeaders);
|
|
|
|
packetPadding.SetSize(RTMP_MAX_HEADER_SIZE);
|
|
packetPadding.AppendArray(mediaHeaders.lpPacket, mediaHeaders.size);
|
|
|
|
packet.m_body = (char*)packetPadding.Array()+RTMP_MAX_HEADER_SIZE;
|
|
packet.m_nBodySize = mediaHeaders.size;
|
|
if(!RTMP_SendPacket(rtmp, &packet, FALSE))
|
|
{
|
|
App->PostStopMessage();
|
|
bStopping = true;
|
|
return;
|
|
}
|
|
|
|
//----------------------------------------------
|
|
|
|
packet.m_nChannel = 0x04; // source channel
|
|
packet.m_headerType = RTMP_PACKET_SIZE_LARGE;
|
|
packet.m_packetType = RTMP_PACKET_TYPE_VIDEO;
|
|
|
|
App->GetVideoHeaders(mediaHeaders);
|
|
|
|
packetPadding.SetSize(RTMP_MAX_HEADER_SIZE);
|
|
packetPadding.AppendArray(mediaHeaders.lpPacket, mediaHeaders.size);
|
|
|
|
packet.m_body = (char*)packetPadding.Array()+RTMP_MAX_HEADER_SIZE;
|
|
packet.m_nBodySize = mediaHeaders.size;
|
|
if(!RTMP_SendPacket(rtmp, &packet, FALSE))
|
|
{
|
|
App->PostStopMessage();
|
|
bStopping = true;
|
|
return;
|
|
}
|
|
}
|
|
|
|
void RTMPPublisher::BeginPublishing()
|
|
{
|
|
}
|
|
|
|
DWORD WINAPI RTMPPublisher::CreateConnectionThread(RTMPPublisher *publisher)
|
|
{
|
|
//------------------------------------------------------
|
|
// set up URL
|
|
|
|
bool bRetry = false;
|
|
bool bSuccess = false;
|
|
bool bCanRetry = false;
|
|
|
|
String failReason;
|
|
String strBindIP;
|
|
|
|
int serviceID = AppConfig->GetInt (TEXT("Publish"), TEXT("Service"));
|
|
String strURL = AppConfig->GetString(TEXT("Publish"), TEXT("URL"));
|
|
String strPlayPath = AppConfig->GetString(TEXT("Publish"), TEXT("PlayPath"));
|
|
|
|
if(!strURL.IsValid())
|
|
{
|
|
failReason = TEXT("No server specified to connect to");
|
|
goto end;
|
|
}
|
|
|
|
if(serviceID != 0)
|
|
{
|
|
XConfig serverData;
|
|
if(!serverData.Open(TEXT("services.xconfig")))
|
|
{
|
|
failReason = TEXT("Could not open services.xconfig");
|
|
goto end;
|
|
}
|
|
|
|
XElement *services = serverData.GetElement(TEXT("services"));
|
|
if(!services)
|
|
{
|
|
failReason = TEXT("Could not any services in services.xconfig");
|
|
goto end;
|
|
}
|
|
|
|
XElement *service = services->GetElementByID(serviceID-1);
|
|
if(!service)
|
|
{
|
|
failReason = TEXT("Could not find the service specified in services.xconfig");
|
|
goto end;
|
|
}
|
|
|
|
XElement *servers = service->GetElement(TEXT("servers"));
|
|
if(!servers)
|
|
{
|
|
failReason = TEXT("Could not find any servers for the service specified in services.xconfig");
|
|
goto end;
|
|
}
|
|
|
|
XDataItem *item = servers->GetDataItem(strURL);
|
|
if(!item)
|
|
item = servers->GetDataItemByID(0);
|
|
|
|
strURL = item->GetData();
|
|
}
|
|
|
|
//------------------------------------------------------
|
|
|
|
RTMP *rtmp = RTMP_Alloc();
|
|
RTMP_Init(rtmp);
|
|
/*RTMP_LogSetCallback(rtmp_log_output);
|
|
RTMP_LogSetLevel(RTMP_LOGDEBUG2);*/
|
|
|
|
LPSTR lpAnsiURL = strURL.CreateUTF8String();
|
|
LPSTR lpAnsiPlaypath = strPlayPath.CreateUTF8String();
|
|
|
|
if(!RTMP_SetupURL2(rtmp, lpAnsiURL, lpAnsiPlaypath))
|
|
{
|
|
failReason = Str("Connection.CouldNotParseURL");
|
|
goto end;
|
|
}
|
|
|
|
RTMP_EnableWrite(rtmp); //set it to publish
|
|
|
|
/*rtmp->Link.swfUrl.av_len = rtmp->Link.tcUrl.av_len;
|
|
rtmp->Link.swfUrl.av_val = rtmp->Link.tcUrl.av_val;
|
|
rtmp->Link.pageUrl.av_len = rtmp->Link.tcUrl.av_len;
|
|
rtmp->Link.pageUrl.av_val = rtmp->Link.tcUrl.av_val;*/
|
|
rtmp->Link.flashVer.av_val = "FMLE/3.0 (compatible; FMSc/1.0)";
|
|
rtmp->Link.flashVer.av_len = (int)strlen(rtmp->Link.flashVer.av_val);
|
|
|
|
//-----------------------------------------
|
|
|
|
BOOL bUseSendBuffer = AppConfig->GetInt(TEXT("Publish"), TEXT("UseSendBuffer"));
|
|
UINT sendBufferSize = AppConfig->GetInt(TEXT("Publish"), TEXT("SendBufferSize"), 5840);
|
|
|
|
if(sendBufferSize > 32120)
|
|
sendBufferSize = 32120;
|
|
else if(sendBufferSize < 536)
|
|
sendBufferSize = 536;
|
|
|
|
//-----------------------------------------
|
|
|
|
UINT tcpBufferSize = AppConfig->GetInt(TEXT("Publish"), TEXT("TCPBufferSize"), 64*1024);
|
|
|
|
if(tcpBufferSize < 8196)
|
|
tcpBufferSize = 8196;
|
|
else if(tcpBufferSize > 128*1024)
|
|
tcpBufferSize = 128*1024;
|
|
|
|
rtmp->m_outChunkSize = 4096;//RTMP_DEFAULT_CHUNKSIZE;//
|
|
rtmp->m_bSendChunkSizeInfo = TRUE;
|
|
|
|
rtmp->m_bUseNagle = TRUE;
|
|
|
|
strBindIP = AppConfig->GetString(TEXT("Publish"), TEXT("BindToIP"), TEXT("Default"));
|
|
if (scmp(strBindIP, TEXT("Default")))
|
|
{
|
|
rtmp->m_bindIP.addr.sin_family = AF_INET;
|
|
rtmp->m_bindIP.addrLen = sizeof(rtmp->m_bindIP.addr);
|
|
if (WSAStringToAddress(strBindIP.Array(), AF_INET, NULL, (LPSOCKADDR)&rtmp->m_bindIP.addr, &rtmp->m_bindIP.addrLen) == SOCKET_ERROR)
|
|
{
|
|
// no localization since this should rarely/never happen
|
|
failReason = TEXT("WSAStringToAddress: Could not parse address");
|
|
goto end;
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------
|
|
|
|
if(!RTMP_Connect(rtmp, NULL))
|
|
{
|
|
failReason = Str("Connection.CouldNotConnect");
|
|
bCanRetry = true;
|
|
goto end;
|
|
}
|
|
|
|
if(!RTMP_ConnectStream(rtmp, 0))
|
|
{
|
|
failReason = Str("Connection.InvalidStream");
|
|
goto end;
|
|
}
|
|
|
|
bSuccess = true;
|
|
|
|
end:
|
|
|
|
Free(lpAnsiURL);
|
|
Free(lpAnsiPlaypath);
|
|
|
|
if(!bSuccess)
|
|
{
|
|
if(rtmp)
|
|
{
|
|
RTMP_Close(rtmp);
|
|
RTMP_Free(rtmp);
|
|
}
|
|
|
|
if(failReason.IsValid())
|
|
App->SetStreamReport(failReason);
|
|
|
|
if(!publisher->bStopping)
|
|
PostMessage(hwndMain, OBS_REQUESTSTOP, 1, 0);
|
|
|
|
publisher->bStopping = true;
|
|
}
|
|
else
|
|
{
|
|
publisher->Init(rtmp, tcpBufferSize, bUseSendBuffer, sendBufferSize);
|
|
publisher->bConnected = true;
|
|
publisher->bConnecting = false;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
double RTMPPublisher::GetPacketStrain() const
|
|
{
|
|
return (curDataBufferLen / 262144.0) * 100.0;
|
|
if(packetWaitType >= PacketType_VideoHigh)
|
|
return min(100.0, dNetworkStrain*100.0);
|
|
else if(bNetworkStrain)
|
|
return dNetworkStrain*66.0;
|
|
|
|
return dNetworkStrain*33.0;
|
|
}
|
|
|
|
QWORD RTMPPublisher::GetCurrentSentBytes()
|
|
{
|
|
return bytesSent;
|
|
}
|
|
|
|
DWORD RTMPPublisher::NumDroppedFrames() const
|
|
{
|
|
return numBFramesDumped+numPFramesDumped;
|
|
}
|
|
|
|
void RTMPPublisher::SocketLoop()
|
|
{
|
|
HANDLE hWriteEvent;
|
|
|
|
SetThreadPriority(GetCurrentThread(), THREAD_PRIORITY_ABOVE_NORMAL);
|
|
|
|
hWriteEvent = CreateEvent(NULL, FALSE, FALSE, NULL);
|
|
|
|
WSAEventSelect(rtmp->m_sb.sb_socket, hWriteEvent, FD_WRITE|FD_CLOSE);
|
|
do
|
|
{
|
|
Log(TEXT("RTMPPublisher::SocketLoop: Waiting for socket FD_WRITE"));
|
|
|
|
int status = WaitForSingleObject(hWriteEvent, INFINITE);
|
|
if (status == WAIT_ABANDONED || status == WAIT_FAILED)
|
|
return;
|
|
|
|
Log(TEXT("RTMPPublisher::SocketLoop: Got socket FD_WRITE"));
|
|
|
|
while (!bStopping)
|
|
{
|
|
Log(TEXT("RTMPPublisher::SocketLoop: Waiting for data"));
|
|
|
|
status = WaitForSingleObject(hBufferEvent, INFINITE);
|
|
if (status == WAIT_ABANDONED || status == WAIT_FAILED)
|
|
return;
|
|
|
|
OSEnterMutex(hDataBufferMutex);
|
|
|
|
Log(TEXT("RTMPPublisher::SocketLoop: %d bytes available"), curDataBufferLen);
|
|
if (!curDataBufferLen)
|
|
{
|
|
OSLeaveMutex(hDataBufferMutex);
|
|
Log(TEXT("RTMPPublisher::SocketLoop: NO DATA, what the fuck?"));
|
|
continue;
|
|
}
|
|
|
|
int ret = send(rtmp->m_sb.sb_socket, (const char *)dataBuffer, curDataBufferLen, 0);
|
|
if (ret > 0)
|
|
{
|
|
Log(TEXT("RTMPPublisher::SocketLoop: Wrote %d bytes, %d remaining"), ret, curDataBufferLen - ret);
|
|
if (curDataBufferLen - ret)
|
|
memmove(dataBuffer, dataBuffer + ret, curDataBufferLen - ret);
|
|
curDataBufferLen -= ret;
|
|
|
|
SetEvent(hBufferSpaceAvailableEvent);
|
|
}
|
|
else
|
|
{
|
|
if (ret == 0 || (ret == -1 && WSAGetLastError() == WSAECONNABORTED))
|
|
{
|
|
Log(TEXT("RTMPPublisher::SocketLoop: Socket error, send() returned 0"), curDataBufferLen);
|
|
OSLeaveMutex(hDataBufferMutex);
|
|
App->PostStopMessage();
|
|
bStopping = true;
|
|
return;
|
|
}
|
|
|
|
if (WSAGetLastError() == WSAEWOULDBLOCK)
|
|
{
|
|
Log(TEXT("RTMPPublisher::SocketLoop: WSAEWOULDBLOCK with %d bytes remaining"), curDataBufferLen);
|
|
OSLeaveMutex(hDataBufferMutex);
|
|
break;
|
|
}
|
|
//!!!
|
|
}
|
|
|
|
if (bStopping)
|
|
{
|
|
OSLeaveMutex(hDataBufferMutex);
|
|
return;
|
|
}
|
|
|
|
if(!RTMP_IsConnected(rtmp))
|
|
{
|
|
OSLeaveMutex(hDataBufferMutex);
|
|
return;
|
|
}
|
|
|
|
if (curDataBufferLen == 0)
|
|
{
|
|
Log(TEXT("RTMPPublisher::SocketLoop: Buffer is empty, resetting event"));
|
|
ResetEvent(hBufferEvent);
|
|
OSLeaveMutex(hDataBufferMutex);
|
|
continue;
|
|
}
|
|
|
|
OSLeaveMutex(hDataBufferMutex);
|
|
}
|
|
} while (!bStopping);
|
|
}
|
|
|
|
void RTMPPublisher::SendLoop()
|
|
{
|
|
SetThreadPriority(GetCurrentThread(), THREAD_PRIORITY_ABOVE_NORMAL);
|
|
while(WaitForSingleObject(hSendSempahore, INFINITE) == WAIT_OBJECT_0)
|
|
{
|
|
/*//--------------------------------------------
|
|
// read
|
|
|
|
DWORD pendingBytes = 0;
|
|
ioctlsocket(rtmp->m_sb.sb_socket, FIONREAD, &pendingBytes);
|
|
if(pendingBytes)
|
|
{
|
|
RTMPPacket packet;
|
|
zero(&packet, sizeof(packet));
|
|
|
|
while(RTMP_ReadPacket(rtmp, &packet) && !RTMPPacket_IsReady(&packet) && RTMP_IsConnected(rtmp));
|
|
|
|
if(!RTMP_IsConnected(rtmp))
|
|
{
|
|
App->PostStopMessage();
|
|
bStopping = true;
|
|
break;
|
|
}
|
|
|
|
RTMPPacket_Free(&packet);
|
|
}*/
|
|
|
|
//--------------------------------------------
|
|
// send
|
|
|
|
while(true)
|
|
{
|
|
if(bStopping)
|
|
return;
|
|
|
|
OSEnterMutex(hDataMutex);
|
|
if(queuedPackets.Num() == 0)
|
|
{
|
|
OSLeaveMutex(hDataMutex);
|
|
break;
|
|
}
|
|
|
|
bool bFoundPacket = false;
|
|
|
|
if(queuedPackets[0].timestamp < sendTime)
|
|
{
|
|
NetworkPacket &packet = queuedPackets[0];
|
|
|
|
bFoundPacket = true;
|
|
currentBufferSize -= packet.data.Num();
|
|
}
|
|
else
|
|
{
|
|
OSLeaveMutex(hDataMutex);
|
|
break;
|
|
}
|
|
|
|
List<BYTE> packetData;
|
|
PacketType type = queuedPackets[0].type;
|
|
DWORD timestamp = queuedPackets[0].timestamp;
|
|
packetData.TransferFrom(queuedPackets[0].data);
|
|
|
|
queuedPackets.Remove(0);
|
|
|
|
OSLeaveMutex(hDataMutex);
|
|
|
|
//--------------------------------------------
|
|
|
|
if(ignoreCount > 0)
|
|
{
|
|
if(--ignoreCount == 0)
|
|
{
|
|
//Log(TEXT("ignore complete"));
|
|
bNetworkStrain = false;
|
|
}
|
|
}
|
|
|
|
//--------------------------------------------
|
|
|
|
RTMPPacket packet;
|
|
packet.m_nChannel = (type == PacketType_Audio) ? 0x5 : 0x4;
|
|
packet.m_headerType = RTMP_PACKET_SIZE_MEDIUM;
|
|
packet.m_packetType = (type == PacketType_Audio) ? RTMP_PACKET_TYPE_AUDIO : RTMP_PACKET_TYPE_VIDEO;
|
|
packet.m_nTimeStamp = timestamp;
|
|
packet.m_nInfoField2 = rtmp->m_stream_id;
|
|
packet.m_hasAbsTimestamp = TRUE;
|
|
|
|
packet.m_nBodySize = packetData.Num()-RTMP_MAX_HEADER_SIZE;
|
|
packet.m_body = (char*)packetData.Array()+RTMP_MAX_HEADER_SIZE;
|
|
|
|
//QWORD sendTimeStart = OSGetTimeMicroseconds();
|
|
if(!RTMP_SendPacket(rtmp, &packet, FALSE))
|
|
{
|
|
if(!RTMP_IsConnected(rtmp))
|
|
{
|
|
App->PostStopMessage();
|
|
bStopping = true;
|
|
break;
|
|
}
|
|
|
|
RUNONCE Log(TEXT("okay, this is strange"));
|
|
}
|
|
|
|
/*QWORD sendTimeTotal = OSGetTimeMicroseconds()-sendTimeStart;
|
|
Log(TEXT("send time: %llu"), sendTimeTotal);
|
|
totalTime += sendTimeTotal;
|
|
totalCalls++;*/
|
|
|
|
//----------------------------------------------------------
|
|
|
|
outputRateSize += packetData.Num();
|
|
packetSizeRecord << PacketTimeSize(timestamp, packetData.Num());
|
|
if(packetSizeRecord.Num())
|
|
{
|
|
UINT packetID=0;
|
|
for(; packetID<packetSizeRecord.Num(); packetID++)
|
|
{
|
|
if(timestamp-packetSizeRecord[packetID].timestamp < outputRateWindowTime)
|
|
break;
|
|
else
|
|
outputRateSize -= packetSizeRecord[packetID].size;
|
|
}
|
|
|
|
if(packetID != 0)
|
|
packetSizeRecord.RemoveRange(0, packetID);
|
|
}
|
|
|
|
//----------------------------------------------------------
|
|
//make sure to flush the send buffer if surpassing max latency to keep frame data synced up on the server
|
|
|
|
if(bUseSendBuffer)
|
|
{
|
|
if(!numVideoPacketsBuffered)
|
|
firstBufferedVideoFrameTimestamp = timestamp;
|
|
|
|
DWORD bufferedTime = timestamp-firstBufferedVideoFrameTimestamp;
|
|
if(bufferedTime > maxBufferTime)
|
|
{
|
|
if(!FlushSendBuffer())
|
|
{
|
|
App->PostStopMessage();
|
|
bStopping = true;
|
|
break;
|
|
}
|
|
|
|
numVideoPacketsBuffered = 0;
|
|
}
|
|
|
|
numVideoPacketsBuffered++;
|
|
}
|
|
|
|
//----------------------------------------------------------
|
|
|
|
bytesSent += packetData.Num();
|
|
}
|
|
}
|
|
}
|
|
|
|
DWORD RTMPPublisher::SendThread(RTMPPublisher *publisher)
|
|
{
|
|
publisher->SendLoop();
|
|
return 0;
|
|
}
|
|
|
|
DWORD RTMPPublisher::SocketThread(RTMPPublisher *publisher)
|
|
{
|
|
publisher->SocketLoop();
|
|
return 0;
|
|
}
|
|
|
|
void RTMPPublisher::DropFrame(UINT id)
|
|
{
|
|
NetworkPacket &dropPacket = queuedPackets[id];
|
|
currentBufferSize -= dropPacket.data.Num();
|
|
PacketType type = dropPacket.type;
|
|
dropPacket.data.Clear();
|
|
|
|
if(dropPacket.type < PacketType_VideoHigh)
|
|
numBFramesDumped++;
|
|
else
|
|
numPFramesDumped++;
|
|
|
|
for(UINT i=id+1; i<queuedPackets.Num(); i++)
|
|
{
|
|
UINT distance = (i-id);
|
|
if(queuedPackets[i].distanceFromDroppedFrame <= distance)
|
|
break;
|
|
|
|
queuedPackets[i].distanceFromDroppedFrame = distance;
|
|
}
|
|
|
|
for(int i=int(id)-1; i>=0; i--)
|
|
{
|
|
UINT distance = (id-UINT(i));
|
|
if(queuedPackets[i].distanceFromDroppedFrame <= distance)
|
|
break;
|
|
|
|
queuedPackets[i].distanceFromDroppedFrame = distance;
|
|
}
|
|
|
|
bool bSetPriority = true;
|
|
for(UINT i=id+1; i<queuedPackets.Num(); i++)
|
|
{
|
|
NetworkPacket &packet = queuedPackets[i];
|
|
if(packet.type < PacketType_Audio)
|
|
{
|
|
if(type >= PacketType_VideoHigh)
|
|
{
|
|
if(packet.type < PacketType_VideoHighest)
|
|
{
|
|
currentBufferSize -= packet.data.Num();
|
|
packet.data.Clear();
|
|
queuedPackets.Remove(i--);
|
|
|
|
if(packet.type < PacketType_VideoHigh)
|
|
numBFramesDumped++;
|
|
else
|
|
numPFramesDumped++;
|
|
}
|
|
else
|
|
{
|
|
bSetPriority = false;
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if(packet.type >= type)
|
|
{
|
|
bSetPriority = false;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if(bSetPriority)
|
|
{
|
|
if(type >= PacketType_VideoHigh)
|
|
packetWaitType = PacketType_VideoHighest;
|
|
else
|
|
{
|
|
if(packetWaitType < type)
|
|
packetWaitType = type;
|
|
}
|
|
}
|
|
}
|
|
|
|
//video packet count exceeding maximum. find lowest priority frame to dump
|
|
bool RTMPPublisher::DoIFrameDelay(bool bBFramesOnly)
|
|
{
|
|
int curWaitType = PacketType_VideoDisposable;
|
|
|
|
while(!bBFramesOnly && curWaitType < PacketType_VideoHighest ||
|
|
bBFramesOnly && curWaitType < PacketType_VideoHigh)
|
|
{
|
|
UINT bestPacket = INVALID;
|
|
UINT bestPacketDistance = 0;
|
|
|
|
if(curWaitType == PacketType_VideoHigh)
|
|
{
|
|
bool bFoundIFrame = false;
|
|
|
|
for(int i=int(queuedPackets.Num())-1; i>=0; i--)
|
|
{
|
|
NetworkPacket &packet = queuedPackets[i];
|
|
if(packet.type == PacketType_Audio)
|
|
continue;
|
|
|
|
if(packet.type == curWaitType)
|
|
{
|
|
if(bFoundIFrame)
|
|
{
|
|
bestPacket = UINT(i);
|
|
break;
|
|
}
|
|
else if(bestPacket == INVALID)
|
|
bestPacket = UINT(i);
|
|
}
|
|
else if(packet.type == PacketType_VideoHighest)
|
|
bFoundIFrame = true;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for(UINT i=0; i<queuedPackets.Num(); i++)
|
|
{
|
|
NetworkPacket &packet = queuedPackets[i];
|
|
if(packet.type <= curWaitType)
|
|
{
|
|
if(packet.distanceFromDroppedFrame > bestPacketDistance)
|
|
{
|
|
bestPacket = i;
|
|
bestPacketDistance = packet.distanceFromDroppedFrame;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if(bestPacket != INVALID)
|
|
{
|
|
DropFrame(bestPacket);
|
|
queuedPackets.Remove(bestPacket);
|
|
return true;
|
|
}
|
|
|
|
curWaitType++;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
int RTMPPublisher::FlushSendBuffer()
|
|
{
|
|
if(!curSendBufferLen)
|
|
return 1;
|
|
|
|
SOCKET sb_socket = rtmp->m_sb.sb_socket;
|
|
|
|
BYTE *lpTemp = sendBuffer.Array();
|
|
int totalBytesSent = curSendBufferLen;
|
|
while(totalBytesSent > 0)
|
|
{
|
|
int nBytes = send(sb_socket, (const char*)lpTemp, totalBytesSent, 0);
|
|
if(nBytes < 0)
|
|
return nBytes;
|
|
if(nBytes == 0)
|
|
return 0;
|
|
|
|
totalBytesSent -= nBytes;
|
|
lpTemp += nBytes;
|
|
}
|
|
|
|
int prevSendBufferSize = curSendBufferLen;
|
|
curSendBufferLen = 0;
|
|
|
|
return prevSendBufferSize;
|
|
}
|
|
|
|
int RTMPPublisher::BufferedSend(RTMPSockBuf *sb, const char *buf, int len, RTMPPublisher *network)
|
|
{
|
|
bool bWasEmpty = false;
|
|
bool bComplete = false;
|
|
int fullLen = len;
|
|
|
|
retrySend:
|
|
|
|
OSEnterMutex(network->hDataBufferMutex);
|
|
|
|
if (network->curDataBufferLen + len >= 262144)
|
|
{
|
|
Log(TEXT("RTMPPublisher::BufferedSend: Buffer is full, waiting on a send"));
|
|
OSLeaveMutex(network->hDataBufferMutex);
|
|
int status = WaitForSingleObject(network->hBufferSpaceAvailableEvent, INFINITE);
|
|
if (status == WAIT_ABANDONED || status == WAIT_FAILED)
|
|
return 0;
|
|
goto retrySend;
|
|
}
|
|
|
|
if (!network->curDataBufferLen)
|
|
bWasEmpty = true;
|
|
|
|
Log(TEXT("RTMPPublisher::BufferedSend: Queuing %d bytes"), len);
|
|
|
|
mcpy(network->dataBuffer + network->curDataBufferLen, buf, len);
|
|
network->curDataBufferLen += len;
|
|
|
|
if (bWasEmpty)
|
|
{
|
|
Log(TEXT("RTMPPublisher::BufferedSend: Buffer is empty, signalling event"));
|
|
SetEvent (network->hBufferEvent);
|
|
}
|
|
|
|
OSLeaveMutex(network->hDataBufferMutex);
|
|
|
|
return len;
|
|
|
|
do
|
|
{
|
|
int newTotal = network->curSendBufferLen+len;
|
|
|
|
//buffer full, send
|
|
if(newTotal >= int(network->sendBuffer.Num()))
|
|
{
|
|
int pendingBytes = newTotal-network->sendBuffer.Num();
|
|
int copyCount = network->sendBuffer.Num()-network->curSendBufferLen;
|
|
|
|
mcpy(network->sendBuffer.Array()+network->curSendBufferLen, buf, copyCount);
|
|
|
|
BYTE *lpTemp = network->sendBuffer.Array();
|
|
int totalBytesSent = network->sendBuffer.Num();
|
|
while(totalBytesSent > 0)
|
|
{
|
|
int nBytes = send(sb->sb_socket, (const char*)lpTemp, totalBytesSent, 0);
|
|
if(nBytes < 0)
|
|
return nBytes;
|
|
if(nBytes == 0)
|
|
return 0;
|
|
|
|
totalBytesSent -= nBytes;
|
|
lpTemp += nBytes;
|
|
}
|
|
|
|
network->curSendBufferLen = 0;
|
|
|
|
if(pendingBytes)
|
|
{
|
|
buf += copyCount;
|
|
len -= copyCount;
|
|
}
|
|
else
|
|
bComplete = true;
|
|
|
|
network->numVideoPacketsBuffered = 0;
|
|
}
|
|
else
|
|
{
|
|
if(len)
|
|
{
|
|
mcpy(network->sendBuffer.Array()+network->curSendBufferLen, buf, len);
|
|
network->curSendBufferLen = newTotal;
|
|
}
|
|
|
|
bComplete = true;
|
|
}
|
|
} while(!bComplete);
|
|
|
|
return fullLen;
|
|
}
|
|
|
|
NetworkStream* CreateRTMPPublisher()
|
|
{
|
|
return new RTMPPublisher;
|
|
}
|