AEGP_ExecuteScript

Question

Hello
I have a problem using script from sdk.
When in script editor I run this code, my project load with any problem
function openProject(filename) {
     if (app.project != NULL)
       app.project.close(CloseOptions.DO_NOT_SAVE_CHANGES);
     var myFile = File(filename);
     if (myFile.exists)
       app.open(myFile);
     else
       writeLn("no such file or directory!");
openProject("C:\\MonDossier\\bandeau défilant.aep");
But when my plugin call, this function, After Effect crash "an strange error with ae.blitpipe"
/* some includes here! */
#include <AEGP_SuiteHandler.h>
#include <AE_GeneralPlug.h>
#define OPEN_PROJECT "function openProject(filename) { \
if (app.project != NULL) \
          app.project.close(CloseOptions.DO_NOT_SAVE_CHANGES); \
var myFile = File(filename); \
if (myFile.exists) \
          app.open(myFile); \
else \
          writeLn(\"no such file or directory!\"); \
openProject(\"%s\");"
std::string Do(SPBasicSuite* sp, AEGP_PluginID id)
          std::string lReturnedValue;
          try
    A_Err err = A_Err_NONE;
    AEGP_SuiteHandler(sp);
    AEGP_MemHandle resultMemH = NULL, errorMemH = NULL;
    A_char *resultAC = NULL, *errorAC = NULL;
    A_char scriptAC[AEGP_MAX_MARKER_URL_SIZE] = {'\0'};
    A_bool encodingB = TRUE;          // my file to load may have non ascii char
    sprintf(scriptAC, OPEN_PROJECT, "C:\\\\MonDossier\\\\bandeau d\u00E9filant.aep");
    ERR(suites.UtilitySuite5()->AEGP_ExecuteScript(id, scriptAC, encodingB, &resultMemH, &errorMemH));
    bool lAnErrorOccured = (err == A_Err_NONE);
    ERR(suites.MemorySuite1()->AEGP_LockMemHandle(resultMemH, reinterpret_cast<void**>(&resultAC)));
    ERR(suites.MemorySuite1()->AEGP_LockMemHandle(errorMemH, reinterpret_cast<void**>(&errorAC)));
    lReturnedValue.assign(resultAC, strlen(resultAC));
    if (lAnErrorOccured)
      lReturnedValue.append("ERROR: ");
      lReturnedValue.append(errorAC, strlen(errorAC));
    ERR(suites.MemorySuite1()->AEGP_FreeMemHandle(resultMemH));
    ERR(suites.MemorySuite1()->AEGP_FreeMemHandle(errorMemH));
          catch(...)
    /* Do something here! */
          return lReturnedValue;

Answer 1

Instead of loading a project I change the script command to create a new project. And I have a message about "an error during OpenGL render process".
that's why I think it's a threading problem.
Details about my project:
My goal is to "drive" After Effect by network (UDP multicast), drive is not the true word, my plugin just load a specified project, and after user done (or not) their job, save a copy of their project. It is for student evaluation program.
Multicast UDP has been choose due to a large amount of "after effect to drive".
Project to load is send by "evaluation supervisor" with a file transfer embedded in my After Effect plugin, and this project is the same for all student in one evaluation group.
At the end, the "evaluation supervisor" send a save command, all projects are saved localy then send over network.
The send/receive are done, the save command works, but the load project failed.
In the first time, I think my file transfer failed but, the file is OK, and can be load using "File>Load a Project".