long long Player::StartSequence(std::string seqName, int priority, int startSeconds,
int startChannel, int blockSize, int autoRepeat)
{
LogDebug(VB_PLAYER, "Player::StartSequence(%s, %d, %d, %d, %d, %d)\n",
seqName.c_str(), priority, startSeconds, startChannel, blockSize,
autoRepeat);
pthread_mutex_lock(&m_sequenceLock);
Sequence *newSequence = new Sequence(priority, startChannel, blockSize);
if ((!m_nextSequenceID) ||
(m_nextSequenceID < 0))
m_nextSequenceID = 1;
newSequence->SetSequenceID(m_nextSequenceID++);
if (autoRepeat)
newSequence->SetAutoRepeat();
newSequence->OpenSequenceFile(seqName, startSeconds);
int inserted = 0;
if (m_sequence.size())
{
// Order the vector from lowest to highest priority. In the event
// of a tie, the newest item is put at the high end.
for (int i = 0; i < m_sequence.size(); i++)
{
if (m_sequence[i]->GetPriority() > priority)
{
m_sequence.insert(m_sequence.begin() + i, newSequence);
inserted = 1;
break;
}
}
}
if (!inserted)
{
m_sequence.push_back(newSequence);
SetChannelOutputRefreshRate(newSequence->GetRefreshRate());
}
pthread_mutex_unlock(&m_sequenceLock);
if (!m_outputThreadIsRunning)
StartChannelOutputThread();
return newSequence->GetSequenceID();
}
void Bridge_Initialize(int &eSock, int &dSock)
{
LogExcess(VB_E131BRIDGE, "Bridge_Initialize()\n");
// prepare the msg receive buffers
memset(msgs, 0, sizeof(msgs));
for (int i = 0; i < MAX_MSG; i++) {
iovecs[i].iov_base = buffers[i];
iovecs[i].iov_len = BUFSIZE;
msgs[i].msg_hdr.msg_iov = &iovecs[i];
msgs[i].msg_hdr.msg_iovlen = 1;
}
/* Initialize our Universe Index lookup cache */
for (int i = 0; i < 65536; i++)
UniverseCache[i] = BRIDGE_INVALID_UNIVERSE_INDEX;
LoadInputUniversesFromFile();
LogInfo(VB_E131BRIDGE, "Universe Count = %d\n",InputUniverseCount);
InputUniversesPrint();
// FIXME FIXME FIXME FIXME
// This is a total hack to get a file descriptor greater than 2
// because otherwise, the bind() call later will fail for some reason.
// FIXME FIXME FIXME FIXME
int i1 = socket(AF_INET, SOCK_DGRAM, 0);
int i2 = socket(AF_INET, SOCK_DGRAM, 0);
int i3 = socket(AF_INET, SOCK_DGRAM, 0);
ddpSock = socket(AF_INET, SOCK_DGRAM | SOCK_NONBLOCK, 0);
if (ddpSock < 0) {
LogDebug(VB_E131BRIDGE, "e131bridge DDP socket failed: %s", strerror(errno));
exit(1);
}
memset((char *)&addr, 0, sizeof(addr));
addr.sin_family = AF_INET;
addr.sin_addr.s_addr = htonl(INADDR_ANY);
addr.sin_port = htons(DDP_PORT);
addrlen = sizeof(addr);
// Bind the socket to address/port
if (bind(ddpSock, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
LogDebug(VB_E131BRIDGE, "e131bridge DDP bind failed: %s", strerror(errno));
exit(1);
}
int UniverseOctet[2];
struct ip_mreq mreq;
char strMulticastGroup[16];
/* set up socket */
bridgeSock = socket(AF_INET, SOCK_DGRAM | SOCK_NONBLOCK, 0);
if (bridgeSock < 0) {
LogDebug(VB_E131BRIDGE, "e131bridge socket failed: %s", strerror(errno));
exit(1);
}
// FIXME, move this to /etc/sysctl.conf or our startup script
system("sudo sysctl net/ipv4/igmp_max_memberships=512");
memset((char *)&addr, 0, sizeof(addr));
addr.sin_family = AF_INET;
addr.sin_addr.s_addr = htonl(INADDR_ANY);
addr.sin_port = htons(E131_DEST_PORT);
addrlen = sizeof(addr);
// Bind the socket to address/port
if (bind(bridgeSock, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
LogDebug(VB_E131BRIDGE, "e131bridge bind failed: %s", strerror(errno));
exit(1);
}
//get all the addresses
struct ifaddrs *interfaces,*tmp;
getifaddrs(&interfaces);
char address[16];
address[0] = 0;
// Join the multicast groups
for(int i = 0; i < InputUniverseCount; i++) {
if (InputUniverses[i].type == E131_TYPE_MULTICAST) {
UniverseOctet[0] = InputUniverses[i].universe/256;
UniverseOctet[1] = InputUniverses[i].universe%256;
sprintf(strMulticastGroup, "239.255.%d.%d", UniverseOctet[0],UniverseOctet[1]);
mreq.imr_multiaddr.s_addr = inet_addr(strMulticastGroup);
LogInfo(VB_E131BRIDGE, "Adding group %s\n", strMulticastGroup);
// add group to groups to listen for on eth0 and wlan0 if it exists
int multicastJoined = 0;
tmp = interfaces;
//loop through all the interfaces and subscribe to the group
while (tmp) {
//struct sockaddr_in *sin = (struct sockaddr_in *)tmp->ifa_addr;
//strcpy(address, inet_ntoa(sin->sin_addr));
if (tmp->ifa_addr && tmp->ifa_addr->sa_family == AF_INET) {
GetInterfaceAddress(tmp->ifa_name, address, NULL, NULL);
if (strcmp(address, "127.0.0.1")) {
LogDebug(VB_E131BRIDGE, " Adding interface %s - %s\n", tmp->ifa_name, address);
mreq.imr_interface.s_addr = inet_addr(address);
if (setsockopt(bridgeSock, IPPROTO_IP, IP_ADD_MEMBERSHIP, &mreq, sizeof(mreq)) < 0) {
LogWarn(VB_E131BRIDGE, " Could not setup Multicast Group for interface %s\n", tmp->ifa_name);
}
multicastJoined = 1;
}
} else if (tmp->ifa_addr && tmp->ifa_addr->sa_family == AF_INET6) {
//FIXME for ipv6 multicast
//LogDebug(VB_E131BRIDGE, " Inet6 interface %s\n", tmp->ifa_name);
}
tmp = tmp->ifa_next;
}
if (!multicastJoined) {
LogDebug(VB_E131BRIDGE, " Binding to default interface\n");
mreq.imr_interface.s_addr = htonl(INADDR_ANY);
if (setsockopt(bridgeSock, IPPROTO_IP, IP_ADD_MEMBERSHIP,&mreq, sizeof(mreq)) < 0) {
LogWarn(VB_E131BRIDGE, " Could not setup Multicast Group\n");
}
}
}
}
freeifaddrs(interfaces);
StartChannelOutputThread();
if (i1 >= 0) close(i1);
if (i2 >= 0) close(i2);
if (i3 >= 0) close(i3);
eSock = bridgeSock;
dSock = ddpSock;
}
void MainLoop(void)
{
int commandSock = 0;
int controlSock = 0;
int bridgeSock = 0;
int prevFPPstatus = FPPstatus;
int sleepms = 50000;
fd_set active_fd_set;
fd_set read_fd_set;
struct timeval timeout;
int selectResult;
LogDebug(VB_GENERAL, "MainLoop()\n");
FD_ZERO (&active_fd_set);
CheckExistanceOfDirectoriesAndFiles();
piFaceSetup(200); // PiFace inputs 1-8 == wiringPi 200-207
if (getFPPmode() == BRIDGE_MODE)
{
bridgeSock = Bridge_Initialize();
if (bridgeSock)
FD_SET (bridgeSock, &active_fd_set);
}
else
{
InitMediaOutput();
}
pluginCallbackManager.init();
InitializeChannelOutputs();
sequence->SendBlankingData();
InitEffects();
InitializeChannelDataMemoryMap();
commandSock = Command_Initialize();
if (commandSock)
FD_SET (commandSock, &active_fd_set);
#ifdef USEHTTPAPI
APIServer apiServer;
apiServer.Init();
#endif
controlSock = InitControlSocket();
FD_SET (controlSock, &active_fd_set);
SetupGPIOInput();
if (getFPPmode() & PLAYER_MODE)
{
if (getFPPmode() == MASTER_MODE)
InitSyncMaster();
scheduler->CheckIfShouldBePlayingNow();
if (getAlwaysTransmit())
StartChannelOutputThread();
}
LogInfo(VB_GENERAL, "Starting main processing loop\n");
while (runMainFPPDLoop)
{
timeout.tv_sec = 0;
timeout.tv_usec = sleepms;
read_fd_set = active_fd_set;
selectResult = select(FD_SETSIZE, &read_fd_set, NULL, NULL, &timeout);
if (selectResult < 0)
{
if (errno == EINTR)
{
// We get interrupted when media players finish
continue;
}
else
{
LogErr(VB_GENERAL, "Main select() failed: %s\n",
strerror(errno));
runMainFPPDLoop = 0;
continue;
}
}
if (commandSock && FD_ISSET(commandSock, &read_fd_set))
CommandProc();
if (bridgeSock && FD_ISSET(bridgeSock, &read_fd_set))
Bridge_ReceiveData();
if (controlSock && FD_ISSET(controlSock, &read_fd_set))
ProcessControlPacket();
// Check to see if we need to start up the output thread.
// FIXME, possibly trigger this via a fpp command to fppd
if ((!ChannelOutputThreadIsRunning()) &&
(getFPPmode() != BRIDGE_MODE) &&
((UsingMemoryMapInput()) ||
(channelTester->Testing()) ||
(getAlwaysTransmit()))) {
int E131BridgingInterval = getSettingInt("E131BridgingInterval");
if (!E131BridgingInterval)
E131BridgingInterval = 50;
SetChannelOutputRefreshRate(1000 / E131BridgingInterval);
StartChannelOutputThread();
}
if (getFPPmode() & PLAYER_MODE)
{
if ((FPPstatus == FPP_STATUS_PLAYLIST_PLAYING) ||
(FPPstatus == FPP_STATUS_STOPPING_GRACEFULLY))
{
if (prevFPPstatus == FPP_STATUS_IDLE)
{
playlist->PlayListPlayingInit();
sleepms = 10000;
}
// Check again here in case PlayListPlayingInit
// didn't find anything and put us back to IDLE
if ((FPPstatus == FPP_STATUS_PLAYLIST_PLAYING) ||
(FPPstatus == FPP_STATUS_STOPPING_GRACEFULLY))
{
playlist->PlayListPlayingProcess();
}
}
int reactivated = 0;
if (FPPstatus == FPP_STATUS_IDLE)
{
if ((prevFPPstatus == FPP_STATUS_PLAYLIST_PLAYING) ||
(prevFPPstatus == FPP_STATUS_STOPPING_GRACEFULLY))
{
playlist->PlayListPlayingCleanup();
if (FPPstatus != FPP_STATUS_IDLE)
reactivated = 1;
else
sleepms = 50000;
}
}
if (reactivated)
prevFPPstatus = FPP_STATUS_IDLE;
else
prevFPPstatus = FPPstatus;
scheduler->ScheduleProc();
}
else if (getFPPmode() == REMOTE_MODE)
{
if(mediaOutputStatus.status == MEDIAOUTPUTSTATUS_PLAYING)
{
playlist->PlaylistProcessMediaData();
}
}
CheckGPIOInputs();
}
StopChannelOutputThread();
ShutdownControlSocket();
if (getFPPmode() == BRIDGE_MODE)
Bridge_Shutdown();
LogInfo(VB_GENERAL, "Main Loop complete, shutting down.\n");
}
int Sequence::OpenSequenceFile(const char *filename, int startSeconds) {
LogDebug(VB_SEQUENCE, "OpenSequenceFile(%s, %d)\n", filename, startSeconds);
if (!filename || !filename[0])
{
LogErr(VB_SEQUENCE, "Empty Sequence Filename!\n", filename);
return 0;
}
size_t bytesRead = 0;
m_seqFileSize = 0;
if (IsSequenceRunning())
CloseSequenceFile();
m_seqStarting = 1;
m_seqPaused = 0;
m_seqDuration = 0;
m_seqSecondsElapsed = 0;
m_seqSecondsRemaining = 0;
strcpy(m_seqFilename, filename);
char tmpFilename[2048];
unsigned char tmpData[2048];
strcpy(tmpFilename,(const char *)getSequenceDirectory());
strcat(tmpFilename,"/");
strcat(tmpFilename, filename);
if (getFPPmode() == REMOTE_MODE)
CheckForHostSpecificFile(getSetting("HostName"), tmpFilename);
if (!FileExists(tmpFilename))
{
LogErr(VB_SEQUENCE, "Sequence file %s does not exist\n", tmpFilename);
m_seqStarting = 0;
return 0;
}
m_seqFile = fopen((const char *)tmpFilename, "r");
if (m_seqFile == NULL)
{
LogErr(VB_SEQUENCE, "Error opening sequence file: %s. fopen returned NULL\n",
tmpFilename);
m_seqStarting = 0;
return 0;
}
if (getFPPmode() == MASTER_MODE)
{
SendSeqSyncStartPacket(filename);
// Give the remotes a head start spining up so they are ready
usleep(100000);
}
///////////////////////////////////////////////////////////////////////
// Check 4-byte File format identifier
char seqFormatID[5];
strcpy(seqFormatID, " ");
bytesRead = fread(seqFormatID, 1, 4, m_seqFile);
seqFormatID[4] = 0;
if ((bytesRead != 4) || (strcmp(seqFormatID, "PSEQ") && strcmp(seqFormatID, "FSEQ")))
{
LogErr(VB_SEQUENCE, "Error opening sequence file: %s. Incorrect File Format header: '%s', bytesRead: %d\n",
filename, seqFormatID, bytesRead);
fseek(m_seqFile, 0L, SEEK_SET);
bytesRead = fread(tmpData, 1, DATA_DUMP_SIZE, m_seqFile);
HexDump("Sequence File head:", tmpData, bytesRead);
fclose(m_seqFile);
m_seqFile = NULL;
m_seqStarting = 0;
return 0;
}
///////////////////////////////////////////////////////////////////////
// Get Channel Data Offset
bytesRead = fread(tmpData, 1, 2, m_seqFile);
if (bytesRead != 2)
{
LogErr(VB_SEQUENCE, "Sequence file %s too short, unable to read channel data offset value\n", filename);
fseek(m_seqFile, 0L, SEEK_SET);
bytesRead = fread(tmpData, 1, DATA_DUMP_SIZE, m_seqFile);
HexDump("Sequence File head:", tmpData, bytesRead);
fclose(m_seqFile);
m_seqFile = NULL;
m_seqStarting = 0;
return 0;
}
m_seqChanDataOffset = tmpData[0] + (tmpData[1] << 8);
///////////////////////////////////////////////////////////////////////
// Now that we know the header size, read the whole header in one shot
fseek(m_seqFile, 0L, SEEK_SET);
bytesRead = fread(tmpData, 1, m_seqChanDataOffset, m_seqFile);
if (bytesRead != m_seqChanDataOffset)
{
LogErr(VB_SEQUENCE, "Sequence file %s too short, unable to read fixed header size value\n", filename);
fseek(m_seqFile, 0L, SEEK_SET);
bytesRead = fread(tmpData, 1, DATA_DUMP_SIZE, m_seqFile);
HexDump("Sequence File head:", tmpData, bytesRead);
fclose(m_seqFile);
m_seqFile = NULL;
m_seqStarting = 0;
return 0;
}
m_seqVersionMinor = tmpData[6];
m_seqVersionMajor = tmpData[7];
m_seqVersion = (m_seqVersionMajor * 256) + m_seqVersionMinor;
m_seqFixedHeaderSize =
(tmpData[8]) + (tmpData[9] << 8);
m_seqStepSize =
(tmpData[10]) + (tmpData[11] << 8) +
(tmpData[12] << 16) + (tmpData[13] << 24);
m_seqNumPeriods =
(tmpData[14]) + (tmpData[15] << 8) +
(tmpData[16] << 16) + (tmpData[17] << 24);
m_seqStepTime =
(tmpData[18]) + (tmpData[19] << 8);
m_seqNumUniverses =
(tmpData[20]) + (tmpData[21] << 8);
m_seqUniverseSize =
(tmpData[22]) + (tmpData[23] << 8);
m_seqGamma = tmpData[24];
m_seqColorEncoding = tmpData[25];
// End of v1.0 fields
if (m_seqVersion > 0x0100)
{
}
m_seqRefreshRate = 1000 / m_seqStepTime;
fseek(m_seqFile, 0L, SEEK_END);
m_seqFileSize = ftell(m_seqFile);
m_seqDuration = (int)((float)(m_seqFileSize - m_seqChanDataOffset)
/ ((float)m_seqStepSize * (float)m_seqRefreshRate));
m_seqSecondsRemaining = m_seqDuration;
fseek(m_seqFile, m_seqChanDataOffset, SEEK_SET);
m_seqFilePosition = m_seqChanDataOffset;
LogDebug(VB_SEQUENCE, "Sequence File Information\n");
LogDebug(VB_SEQUENCE, "seqFilename : %s\n", m_seqFilename);
LogDebug(VB_SEQUENCE, "seqVersion : %d.%d\n",
m_seqVersionMajor, m_seqVersionMinor);
LogDebug(VB_SEQUENCE, "seqFormatID : %s\n", seqFormatID);
LogDebug(VB_SEQUENCE, "seqChanDataOffset : %d\n", m_seqChanDataOffset);
LogDebug(VB_SEQUENCE, "seqFixedHeaderSize : %d\n", m_seqFixedHeaderSize);
LogDebug(VB_SEQUENCE, "seqStepSize : %d\n", m_seqStepSize);
LogDebug(VB_SEQUENCE, "seqNumPeriods : %d\n", m_seqNumPeriods);
LogDebug(VB_SEQUENCE, "seqStepTime : %dms\n", m_seqStepTime);
LogDebug(VB_SEQUENCE, "seqNumUniverses : %d *\n", m_seqNumUniverses);
LogDebug(VB_SEQUENCE, "seqUniverseSize : %d *\n", m_seqUniverseSize);
LogDebug(VB_SEQUENCE, "seqGamma : %d *\n", m_seqGamma);
LogDebug(VB_SEQUENCE, "seqColorEncoding : %d *\n", m_seqColorEncoding);
LogDebug(VB_SEQUENCE, "seqRefreshRate : %d\n", m_seqRefreshRate);
LogDebug(VB_SEQUENCE, "seqFileSize : %lu\n", m_seqFileSize);
LogDebug(VB_SEQUENCE, "seqDuration : %d\n", m_seqDuration);
LogDebug(VB_SEQUENCE, "'*' denotes field is currently ignored by FPP\n");
m_seqPaused = 0;
m_seqSingleStep = 0;
m_seqSingleStepBack = 0;
int frameNumber = 0;
if (startSeconds)
{
int frameNumber = startSeconds * m_seqRefreshRate;
int newPos = m_seqChanDataOffset + (frameNumber * m_seqStepSize);
LogDebug(VB_SEQUENCE, "Seeking to byte %d in %s\n", newPos, m_seqFilename);
fseek(m_seqFile, newPos, SEEK_SET);
}
ReadSequenceData();
SetChannelOutputFrameNumber(frameNumber);
SetChannelOutputRefreshRate(m_seqRefreshRate);
StartChannelOutputThread();
m_seqStarting = 0;
return m_seqFileSize;
}
/*
* Start a new effect offset at the specified channel number
*/
int StartEffect(const std::string &effectName, int startChannel, int loop)
{
int effectID = -1;
int frameTime = 50;
LogInfo(VB_EFFECT, "Starting effect %s at channel %d\n", effectName.c_str(), startChannel);
std::unique_lock<std::mutex> lock(effectsLock);
if (effectCount >= MAX_EFFECTS) {
LogErr(VB_EFFECT, "Unable to start effect %s, maximum number of effects already running\n", effectName.c_str());
return effectID;
}
std::string filename = getEffectDirectory();
filename += "/";
filename += effectName;
filename += ".eseq";
FSEQFile *fseq = FSEQFile::openFSEQFile(filename);
if (!fseq) {
LogErr(VB_EFFECT, "Unable to open effect: %s\n", filename.c_str());
return effectID;
}
V2FSEQFile *v2fseq = dynamic_cast<V2FSEQFile*>(fseq);
if (!v2fseq) {
delete fseq;
LogErr(VB_EFFECT, "Effect file not a correct eseq file: %s\n", filename.c_str());
return effectID;
}
if (v2fseq->m_sparseRanges.size() == 0){
LogErr(VB_EFFECT, "eseq file must have at least one model range.");
delete fseq;
return effectID;
}
if (startChannel != 0) {
// This will need to change if/when we support multiple models per file
v2fseq->m_sparseRanges[0].first = startChannel - 1;
}
frameTime = v2fseq->getStepTime();
effectID = GetNextEffectID();
if (effectID < 0) {
LogErr(VB_EFFECT, "Unable to start effect %s, unable to determine next effect ID\n", effectName.c_str());
delete fseq;
return effectID;
}
effects[effectID] = new FPPeffect;
effects[effectID]->name = effectName;
effects[effectID]->fp = v2fseq;
effects[effectID]->loop = loop;
effects[effectID]->background = 0;
if (effectName == "background") {
effects[effectID]->background = 1;
} else if ((getFPPmode() == REMOTE_MODE) &&
(effectName.find("background_") == 0)) {
std::string localFilename = "background_";
localFilename += getSetting("HostName");
if (localFilename == effectName) {
effects[effectID]->background = 1;
}
}
effectCount++;
int tmpec = effectCount;
lock.unlock();
StartChannelOutputThread();
if (!sequence->IsSequenceRunning()
&& tmpec == 1) {
//first effect running, no sequence running, set the refresh rate
//to the rate of the effect
SetChannelOutputRefreshRate(1000 / frameTime);
}
return effectID;
}
/*
* Create and initialize the channel data and control memory map files
*/
int InitializeChannelDataMemoryMap(void) {
int i = 0;
char ch = '\0';
long long pixelLocation = 0;
char tmpData[FPPD_MAX_CHANNELS];
char tmpCtrlData[FPPCHANNELMEMORYMAPSIZE];
long long tmpPixelMapData[FPPD_MAX_CHANNELS];
LogDebug(VB_CHANNELOUT, "InitializeChannelDataMemoryMap()\n");
bzero((void *)tmpData, sizeof(tmpData));
bzero((void *)tmpCtrlData, sizeof(tmpCtrlData));
bzero((void *)tmpPixelMapData, sizeof(tmpPixelMapData));
// Block of of raw channel data used to overlay data
chanDataMapFD =
open(FPPCHANNELMEMORYMAPDATAFILE, O_CREAT | O_TRUNC | O_RDWR, 0666);
if (chanDataMapFD < 0) {
LogErr(VB_CHANNELOUT, "Error opening %s memory map file: %s\n",
FPPCHANNELMEMORYMAPDATAFILE, strerror(errno));
return -1;
}
chmod(FPPCHANNELMEMORYMAPDATAFILE, 0666);
if (write(chanDataMapFD, (void *)tmpData, sizeof(tmpData)) != sizeof(tmpData)) {
LogErr(VB_CHANNELOUT, "Error populating %s memory map file: %s\n",
FPPCHANNELMEMORYMAPDATAFILE, strerror(errno));
CloseChannelDataMemoryMap();
return -1;
}
chanDataMap = (char *)mmap(0, FPPD_MAX_CHANNELS, PROT_READ, MAP_SHARED, chanDataMapFD, 0);
if (!chanDataMap) {
LogErr(VB_CHANNELOUT, "Error mapping %s memory map file: %s\n",
FPPCHANNELMEMORYMAPDATAFILE, strerror(errno));
CloseChannelDataMemoryMap();
return -1;
}
// Control file to turn on/off blocks and get block info
ctrlFD = open(FPPCHANNELMEMORYMAPCTRLFILE, O_CREAT | O_TRUNC | O_RDWR, 0666);
if (ctrlFD < 0) {
LogErr(VB_CHANNELOUT, "Error opening %s memory map file: %s\n",
FPPCHANNELMEMORYMAPCTRLFILE, strerror(errno));
CloseChannelDataMemoryMap();
return -1;
}
chmod(FPPCHANNELMEMORYMAPCTRLFILE, 0666);
if (write(ctrlFD, (void *)tmpCtrlData, sizeof(tmpCtrlData)) != sizeof(tmpCtrlData)) {
LogErr(VB_CHANNELOUT, "Error populating %s memory map file: %s\n",
FPPCHANNELMEMORYMAPCTRLFILE, strerror(errno));
CloseChannelDataMemoryMap();
return -1;
}
ctrlMap = (char *)mmap(0, FPPCHANNELMEMORYMAPSIZE, PROT_READ|PROT_WRITE, MAP_SHARED, ctrlFD, 0);
if (!ctrlMap) {
LogErr(VB_CHANNELOUT, "Error mapping %s memory map file: %s\n",
FPPCHANNELMEMORYMAPCTRLFILE, strerror(errno));
CloseChannelDataMemoryMap();
return -1;
}
ctrlHeader = (FPPChannelMemoryMapControlHeader *)ctrlMap;
// Pixel Map to map channels to matrix positions
pixelFD =
open(FPPCHANNELMEMORYMAPPIXELFILE, O_CREAT | O_TRUNC | O_RDWR, 0666);
if (pixelFD < 0) {
LogErr(VB_CHANNELOUT, "Error opening %s memory map file: %s\n",
FPPCHANNELMEMORYMAPPIXELFILE, strerror(errno));
CloseChannelDataMemoryMap();
return -1;
}
chmod(FPPCHANNELMEMORYMAPPIXELFILE, 0666);
if (write(pixelFD, (void *)tmpPixelMapData, sizeof(tmpPixelMapData)) != sizeof(tmpPixelMapData)) {
LogErr(VB_CHANNELOUT, "Error populating %s memory map file: %s\n",
FPPCHANNELMEMORYMAPPIXELFILE, strerror(errno));
CloseChannelDataMemoryMap();
return -1;
}
pixelMap = (long long *)mmap(0, FPPD_MAX_CHANNELS * sizeof(long long), PROT_READ|PROT_WRITE, MAP_SHARED, pixelFD, 0);
if (!pixelMap) {
LogErr(VB_CHANNELOUT, "Error mapping %s memory map file: %s\n",
FPPCHANNELMEMORYMAPPIXELFILE, strerror(errno));
CloseChannelDataMemoryMap();
return -1;
}
for (i = 0; i < FPPD_MAX_CHANNELS; i++) {
pixelMap[i] = i;
}
// Load the config
LoadChannelMemoryMapData();
if (ctrlHeader->totalBlocks)
StartChannelOutputThread();
return 1;
}