int print_avi_info(char *fname)
{
FILE *fp;
MainAVIHeader avih;
AVIStreamHeader avish;
int listlen, len;
FOURCC fcc;
fp = fopen(fname, "rb");
if (fp == NULL) return -1;
listlen = read_avi_main_header(fp, &avih);
printf("listlen: %d\n", listlen);
printf("%s : ", fname);
printf("%lu x %lu ", avih.dwWidth, avih.dwHeight);
//printf("1us/frame: %lu. -> fps: %g\n", avih.dwMicroSecPerFrame
// , 1000000.0/avih.dwMicroSecPerFrame);
//printf("frames: %lu -> time: %s\n", avih.dwTotalFrames
// , format_time((unsigned long)((double)avih.dwTotalFrames * avih.dwMicroSecPerFrame / 1000000))
//);
//printf("\n");
while ((len = read_next_chunk(fp, &fcc)) > 0) {
printf("--- %s\n", str_fourcc(fcc));
if (fcc != SYM_LIST) break;
if (read_avi_stream_header(fp, &avish, len) < 0) break;
printf("stream:\n");
printf("fccType: %s\n", str_fourcc(avish.fccType));
printf("fccHandler: %s (%s)\n", str_fourcc(avish.fccHandler), str_fourcc(avish.dwReserved1));
printf("rate: %d\n", avish.dwRate);
printf("\n");
if (avish.fccType == SYM_VIDS) {
printf("V: %s ", str_fourcc(avish.fccHandler));
if (avish.fccHandler != avish.dwReserved1) {
printf("(%s) ", str_fourcc(avish.dwReserved1));
}
printf(" ");
} else if (avish.fccType == SYM_AUDS) {
printf("A: %s ", str_acodec(avish.fccHandler));
if (avish.fccHandler != avish.dwReserved1) {
printf("(%s) ", str_acodec(avish.dwReserved1));
}
printf(" ");
}
}
do {
int flag = 0;
DWORD riff_type;
printf("--- %s\n", str_fourcc(fcc));
if (fcc == SYM_LIST) {
riff_type = read_next_sym(fp);
if (riff_type == -1) {
printf("?\n");
return -1;
}
if (riff_type == SYM_MOVI) {
DWORD old = 0;
int i;
printf("----- %s\n", str_fourcc(riff_type));
for (i=0; i</*avih.dwTotalFrames/ */100 && (len = read_next_chunk(fp, &fcc)) >= 0; i++) {
len = (len + 1)/ 2 * 2;
fseek(fp, len, SEEK_CUR);
printf("fcc: %s\n", str_fourcc(fcc));
printf("fcc&: %s, ", str_fourcc(fcc & 0x0000ffff));
printf("old: %s\n", str_fourcc(old));
if (i != 0 && (fcc & 0x0000ffff) != old) {
flag = 1;
break;
}
old = fcc & 0x0000ffff;
}
printf("%s", flag?"[I]":"[NI]");
break;
} else {
printf("----- %s..\n", str_fourcc(riff_type));
fseek(fp, len - sizeof(riff_type), SEEK_CUR);
}
} else {
printf("FOURCC: %s\n", str_fourcc(fcc));
fseek(fp, len, SEEK_CUR);
}
} while ((len = read_next_chunk(fp, &fcc)) > 0);
fclose(fp);
printf("\n");
return 0;
}
int main(int narg, char **args)
{
parallelData world;
initializeMPIWorld(world, &narg, &args);
parseArgs(narg,args,world);
if(!flag_with_filters){
std::cout<<"NO FILTERS!!!"<<std::endl;
return 1;
}
checkFlagsConsistence(world);
int numberOfFiles = getAndCheckFileNumber(world, inputfileName);
int fileId = world.myRank%numberOfFiles;
parallelData fileGroup;
splitCommunicatorFillNewParallelData(world, fileGroup, fileId);
std::string dummyString = composeFileName(inputfileName,fileId);
char * fileName = new char[dummyString.length() + 1];
std::strcpy(fileName,dummyString.c_str());
resetMinimaAndMaxima();
int readings, reminder, maxReadings;
MPI_Offset disp;
{
long long particleTotalNumber = getAndCheckFileNumberOfParticles(fileGroup, fileName);
long long myparticlesToRead = calcParticlesToRead(fileGroup, particleTotalNumber);
long long *particlesToRead = new long long[fileGroup.nProc];
fillNumberParticlesToRead(fileGroup, particlesToRead, myparticlesToRead);
readings = myparticlesToRead/readLength;
reminder = myparticlesToRead%readLength;
disp = findDispForSetView(fileGroup,particlesToRead);
int maxReadingsFile = findMaxNumberOfReadings(fileGroup,particlesToRead);
MPI_Allreduce(&maxReadingsFile, &maxReadings, 1, MPI_INT, MPI_MAX, world.comm);
delete[] particlesToRead;
}
MPI_File theFile;
MPI_File_open(fileGroup.comm, fileName, MPI_MODE_RDONLY, MPI_INFO_NULL , &theFile);
MPI_File_set_view(theFile, disp, MPI_FLOAT, MPI_FLOAT, (char *) "native", MPI_INFO_NULL);
for (int i = 0; i < readings; i++){
read_next_chunk(theFile,readLength, outputfileName, world);
}
for (int i = 0; i < maxReadings-readings; i++){
read_next_chunk(theFile, 0, outputfileName, world);
}
read_next_chunk(theFile, reminder, outputfileName, world);
MPI_File_close(&theFile);
MPI_Finalize();
return 0;
}
