SDIFresult SDIF_WriteFrameHeader(const SDIF_FrameHeader *fh, FILE *f)
{
#ifdef LITTLE_ENDIAN
SDIFresult r;
if ((r = SDIF_Write1(&(fh->frameType),4,f))!=ESDIF_SUCCESS)
return r;
if ((r = SDIF_Write4(&(fh->size),1,f))!=ESDIF_SUCCESS)
return r;
if ((r = SDIF_Write8(&(fh->time),1,f))!=ESDIF_SUCCESS)
return r;
if ((r = SDIF_Write4(&(fh->streamID),1,f))!=ESDIF_SUCCESS)
return r;
if ((r = SDIF_Write4(&(fh->matrixCount),1,f))!=ESDIF_SUCCESS)
return r;
#ifdef _WIN32
fflush(f);
#endif
return ESDIF_SUCCESS;
#else
return (fwrite(fh, sizeof(*fh), 1, f) == 1)?ESDIF_SUCCESS:ESDIF_WRITE_FAILED;
#endif
}
SDIFresult SDIFmem_WriteMatrix(FILE *sdif_handle, SDIFmem_Matrix m)
{
SDIFresult r;
sdif_int32 sz, numElements;
int paddingNeeded;
if ((r = SDIF_WriteMatrixHeader(&(m->header), sdif_handle))!=ESDIF_SUCCESS) {
return r;
}
sz = SDIF_GetMatrixDataTypeSize(m->header.matrixDataType);
numElements = (m->header.rowCount * m->header.columnCount);
switch (sz) {
case 1:
r = SDIF_Write1(m->data, numElements, sdif_handle);
break;
case 2:
r = SDIF_Write2(m->data, numElements, sdif_handle);
break;
case 4:
r = SDIF_Write4(m->data, numElements, sdif_handle);
break;
case 8:
r = SDIF_Write8(m->data, numElements, sdif_handle);
break;
default:
return ESDIF_BAD_MATRIX_DATA_TYPE;
}
if (r !=ESDIF_SUCCESS) return r;
paddingNeeded = SDIF_PaddingRequired(&(m->header));
if (paddingNeeded) {
char pad[8] = "\0\0\0\0\0\0\0\0";
if ((r = SDIF_Write1(pad, paddingNeeded, sdif_handle))!=ESDIF_SUCCESS)
return r;
}
return ESDIF_SUCCESS;
}
