static void saveJPGFile(const char* filename) {
char backupName[400];
struct stat buf;
#ifdef SUPERDEBUG
LOGE("Modified: %s\n", filename);
#endif
strncpy(backupName, filename, 395);
strcat(backupName, ".t");
// Remove any .old file name that may pre-exist
#ifdef SUPERDEBUG
LOGE("removing backup %s", backupName);
#endif
unlink(backupName);
// Rename the old file.
#ifdef SUPERDEBUG
LOGE("rename %s to %s", filename, backupName);
#endif
rename(filename, backupName);
// Write the new file.
#ifdef SUPERDEBUG
LOGE("WriteJpegFile %s", filename);
#endif
if (WriteJpegFile(filename)) {
// Copy the access rights from original file
#ifdef SUPERDEBUG
LOGE("stating old file %s", backupName);
#endif
if (stat(backupName, &buf) == 0){
// set Unix access rights and time to new file
struct utimbuf mtime;
chmod(filename, buf.st_mode);
mtime.actime = buf.st_mtime;
mtime.modtime = buf.st_mtime;
utime(filename, &mtime);
}
// Now that we are done, remove original file.
#ifdef SUPERDEBUG
LOGE("unlinking old file %s", backupName);
#endif
unlink(backupName);
#ifdef SUPERDEBUG
LOGE("returning from saveJPGFile");
#endif
} else {
#ifdef SUPERDEBUG
LOGE("WriteJpegFile failed, restoring from backup file");
#endif
// move back the backup file
rename(backupName, filename);
}
}
void writeExif( void *origData, void *destData , int origSize , uint32_t *resultSize, int orientation,camera_position_type *pt, int wb, int ledm ) {
const char *filename = "/cache/tmp/temp.jpg";
dump_to_file( filename, (uint8_t *)origData, origSize );
LOGV("WRITE EXIF Filename %s", filename);
chmod( filename, S_IRWXU );
ResetJpgfile();
memset(&ImageInfo, 0, sizeof(ImageInfo));
ImageInfo.MeteringMode = -1;
int gpsTag = 0;
if( pt != NULL ) {
LOGV("EXIF ADD GPS DATA ........");
gpsTag = 6;
} else{
LOGV("EXIF NO GPS ........");
}
ExifElement_t *t = (ExifElement_t *)malloc( sizeof(ExifElement_t)*(EXIF_TOTAL_DATA+gpsTag) );
ExifElement_t *it = t;
// Store file date/time.
(*it).Tag = TAG_ORIENTATION;
(*it).Format = FMT_USHORT;
(*it).DataLength = 1;
unsigned short v;
LOGV("EXIF Orientation %d", orientation);
if( orientation == 90 ) {
(*it).Value = "6\0";
} else if( orientation == 180 ) {
(*it).Value = "3\0";
} else {
(*it).Value = "1\0";
}
(*it).GpsTag = FALSE;
it++;
(*it).Tag = TAG_MAKE;
(*it).Format = FMT_STRING;
(*it).Value = "Motorola\0";
(*it).DataLength = strlen((*it).Value);
(*it).GpsTag = FALSE;
it++;
(*it).Tag = TAG_MODEL;
(*it).Format = FMT_STRING;
(*it).Value = "MB200 with CyanogenMOD\0";
(*it).DataLength = strlen((*it).Value);
(*it).GpsTag = FALSE;
it++;
(*it).Tag = TAG_FLASH;
(*it).Format = FMT_USHORT;
(*it).Value = (ledm ? "1\0" : "0\0");
(*it).DataLength = 1;
(*it).GpsTag = FALSE;
it++;
(*it).Tag = TAG_WHITEBALANCE;
(*it).Format = FMT_USHORT;
(*it).Value = (wb ? "1\0" : "0\0");
(*it).DataLength = 1;
(*it).GpsTag = FALSE;
if( pt != NULL ) {
LOGV("pt->latitude == %f", pt->latitude );
LOGV("pt->longitude == %f", pt->longitude );
LOGV("pt->altitude == %d", pt->altitude );
it++;
(*it).Tag = 0x01;
(*it).Format = FMT_STRING;
if( pt->latitude > 0 ) {
(*it).Value = "N\0";
} else {
(*it).Value = "S\0";
}
(*it).DataLength = 2;
(*it).GpsTag = TRUE;
it++;
(*it).Value = coord2degminsec( pt->latitude );
LOGV("writeExif: latitude is: %s", (*it).Value);
(*it).Tag = 0x02;
(*it).Format = FMT_URATIONAL;
(*it).DataLength = 3;
(*it).GpsTag = TRUE;
it++;
(*it).Tag = 0x03;
(*it).Format = FMT_STRING;
if( (*pt).longitude > 0 ) {
(*it).Value = "E\0";
} else {
(*it).Value = "W\0";
}
(*it).DataLength = 2;
(*it).GpsTag = TRUE;
it++;
(*it).Value = coord2degminsec( pt->longitude );
LOGV("writeExif: longitude is: %s", (*it).Value);
(*it).Tag = 0x04;
(*it).Format = FMT_URATIONAL;
(*it).DataLength = 3;
(*it).GpsTag = TRUE;
it++;
(*it).Tag = 0x05;
(*it).Format = FMT_USHORT;
if( (*pt).altitude > 0 ) {
(*it).Value = "0\0";
} else {
(*it).Value = "1\0";
}
(*it).DataLength = 1;
(*it).GpsTag = TRUE;
it++;
(*it).Value = float2rationnal( fabs( pt->altitude ) );
LOGV("writeExif: altitude is: %s", (*it).Value);
(*it).Tag = 0x06;
(*it).Format = FMT_SRATIONAL;
(*it).DataLength = 1;
(*it).GpsTag = TRUE;
}
{
struct stat st;
if (stat(filename, &st) >= 0) {
ImageInfo.FileDateTime = st.st_mtime;
ImageInfo.FileSize = st.st_size;
}
}
strncpy(ImageInfo.FileName, filename, PATH_MAX);
LOGV("Image EXIF Filename %s", filename);
ReadMode_t ReadMode;
ReadMode = READ_METADATA;
ReadMode |= READ_IMAGE;
int res = ReadJpegFile(filename, (ReadMode_t)ReadMode );
LOGV("READ EXIF Filename %s", filename);
create_EXIF( t, EXIF_TOTAL_DATA, gpsTag);
WriteJpegFile(filename);
chmod( filename, S_IRWXU );
DiscardData();
FILE *src;
src = fopen( filename, "r");
fseek( src, 0L, SEEK_END );
(*resultSize) = ftell(src);
fseek( src, 0L, SEEK_SET );
int read = fread( destData, 1, (*resultSize), src );
free( t );
unlink( filename );
}