int omxplayer_StartPlaying(const char *filename)
{
char fullVideoPath[2048];
LogDebug(VB_MEDIAOUT, "omxplayer_StartPlaying(%s)\n", filename);
bzero(&mediaOutputStatus, sizeof(mediaOutputStatus));
if (snprintf(fullVideoPath, 2048, "%s/%s", getVideoDirectory(), filename)
>= 2048)
{
LogErr(VB_MEDIAOUT, "Unable to play %s, full path name too long\n",
filename);
return 0;
}
if (getFPPmode() == REMOTE_MODE)
CheckForHostSpecificFile(getSetting("HostName"), fullVideoPath);
if (!FileExists(fullVideoPath))
{
LogErr(VB_MEDIAOUT, "%s does not exist!\n", fullVideoPath);
return 0;
}
// Create Pipes to/from omxplayer
pid_t omxplayerPID = forkpty(&pipeFromOMX[0], 0, 0, 0);
if (omxplayerPID == 0) // omxplayer process
{
ShutdownControlSocket();
seteuid(1000); // 'pi' user
execl("/opt/fpp/scripts/omxplayer", "/opt/fpp/scripts/omxplayer", fullVideoPath, NULL);
LogErr(VB_MEDIAOUT, "omxplayer_StartPlaying(), ERROR, we shouldn't "
"be here, this means that execl() failed\n");
exit(EXIT_FAILURE);
}
else // Parent process
{
mediaOutput->childPID = omxplayerPID;
}
// Clear active file descriptor sets
FD_ZERO (&omx_active_fd_set);
// Set description for reading from omxplayer
FD_SET (pipeFromOMX[0], &omx_active_fd_set);
mediaOutputStatus.status = MEDIAOUTPUTSTATUS_PLAYING;
omxVolumeShift = omxplayer_GetVolumeShift(getVolume());
return 1;
}
/*
* Fork and run an event script
*/
int RunEventScript(FPPevent *e)
{
pid_t pid = 0;
char userScript[1024];
char eventScript[1024];
// Setup the script from our user
strcpy(userScript, getScriptDirectory());
strcat(userScript, "/");
strncat(userScript, e->script, 1024 - strlen(userScript));
userScript[1023] = '\0';
// Setup the wrapper
memcpy(eventScript, getFPPDirectory(), sizeof(eventScript));
strncat(eventScript, "/scripts/eventScript", sizeof(eventScript)-strlen(eventScript)-1);
pid = fork();
if (pid == 0) // Event Script process
{
#ifndef NOROOT
struct sched_param param;
param.sched_priority = 0;
if (sched_setscheduler(0, SCHED_OTHER, ¶m) != 0)
{
perror("sched_setscheduler");
exit(EXIT_FAILURE);
}
#endif
ShutdownControlSocket();
char *args[128];
char *token = strtok(userScript, " ");
int i = 1;
args[0] = strdup(userScript);
while (token && i < 126)
{
args[i] = strdup(token);
i++;
token = strtok(NULL, " ");
}
args[i] = NULL;
if (chdir(getScriptDirectory()))
{
LogErr(VB_EVENT, "Unable to change directory to %s: %s\n",
getScriptDirectory(), strerror(errno));
exit(EXIT_FAILURE);
}
execvp(eventScript, args);
LogErr(VB_EVENT, "RunEventScript(), ERROR, we shouldn't be here, "
"this means that execvp() failed trying to run '%s %s': %s\n",
eventScript, args[0], strerror(errno));
exit(EXIT_FAILURE);
}
return 1;
}
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");
}
