diff --git a/correct_date_gopro.py b/correct_date_gopro.py
new file mode 100644
index 0000000..ed38a0d
--- /dev/null
+++ b/correct_date_gopro.py
@@ -0,0 +1,73 @@
+#!python
+
+# https://github.com/hMatoba/Piexif
+# http://ce3wiki.theturninggate.net/doku.php?id=file_name_convention
+# destination: <BASE>/<year>/<YYYYMMDD> <Event>/ab-<YYYYMMDD>-<Event>-<nnnn>.jpg
+
+from PIL import Image
+from pathlib import Path
+import datetime as dt
+import piexif
+from collections import defaultdict
+import re
+import os
+
+SRC = r'E:\RawTriage\GoPro Hero\20230819'
+DRY_RUN = True
+
+# def constant_factory(value):
+#     return lambda: value
+# fileidx = defaultdict(constant_factory(0))
+
+fileidx = defaultdict(int)
+
+real_dt = dt.datetime(2023,7,28,15,0,0)
+gopro_dt = dt.datetime(2015,1,3,19,23,25)
+dt_diff = real_dt - gopro_dt
+
+# print(dt_diff)
+# print(gopro_dt + dt_diff)
+
+for raw in Path(SRC).iterdir():
+    fn = raw.name
+    # print(fn)
+    if not raw.is_file():
+        print(f"skipped {fn}")
+        continue
+    if raw.suffix == ".MP4":
+        atime = raw.stat().st_atime
+        mtime = raw.stat().st_mtime
+        if dt.datetime.fromtimestamp(mtime) < dt.datetime(2020,1,1,0,0,0):
+            ctime = mtime + dt_diff.total_seconds()
+            print(f"{raw.name}: cur {dt.datetime.fromtimestamp(mtime)}, new {dt.datetime.fromtimestamp(ctime)}")
+            os.utime(raw, (atime, ctime))
+        else:
+            orig = raw.with_suffix(".MP4_original")
+            atime = orig.stat().st_atime
+            mtime = orig.stat().st_mtime
+            os.utime(raw, (atime, mtime))
+        # use exiftool for MP4 metadata timestamps  3127 days, 19:36:35
+        # exiftool "-AllDates+=3127 19:36:35" "E:\RawTriage\GoPro Hero\20230819"
+    if raw.suffix == ".JPG":
+        atime = raw.stat().st_atime
+        mtime = raw.stat().st_mtime
+        ctime = mtime + dt_diff.total_seconds()
+        print(f"{raw.name}: cur {dt.datetime.fromtimestamp(mtime)}, new {dt.datetime.fromtimestamp(ctime)}")
+        if not DRY_RUN:
+            os.utime(raw, (atime, ctime))
+        # EXIF update
+        im = Image.open(raw)
+        exif_dict = piexif.load(im.info["exif"])
+        try:
+            model = exif_dict["0th"][piexif.ImageIFD.Model].decode("ascii")
+            idto = exif_dict["Exif"][piexif.ExifIFD.DateTimeOriginal].decode("ascii")
+        except:
+            continue
+        rawdt = dt.datetime.strptime(idto,"%Y:%m:%d %H:%M:%S")
+        print(model, rawdt)
+        crawstr = dt.datetime.fromtimestamp(ctime).strftime("%Y:%m:%d %H:%M:%S")
+        exif_dict["Exif"][piexif.ExifIFD.DateTimeOriginal] = crawstr.encode("ascii")
+        exif_bytes = piexif.dump(exif_dict)
+        fn2 = raw.with_name(raw.stem + "_corrected" + raw.suffix)
+        im.save(fn2, "jpeg", exif=exif_bytes, quality=95)
+        os.utime(fn2, (atime, ctime))
diff --git a/exiftool_scratchpad.cmd b/exiftool_scratchpad.cmd
new file mode 100644
index 0000000..cb27693
--- /dev/null
+++ b/exiftool_scratchpad.cmd
@@ -0,0 +1,15 @@
+exiftool -G -args "ab-20230726-183944-DJI Mini 2.MP4" | findstr Date
+
+for %F in ("*DJI Mini 2.mp4") DO exiftool -P -tagsFromFile "E:\RawTriage\DJI Mini 2\20230819 Videos\%F" -DateTimeOriginal^<CreateDate -CreateDate^<CreateDate -ModifyDate^<ModifyDate -TrackCreateDate^<TrackCreateDate -TrackModifyDate^<TrackModifyDate -MediaCreateDate^<MediaCreateDate  -MediaModifyDate^<MediaModifyDate "%F"
+
+exiftool -G -args "ab-20230731-115059-GoPro Hero.MP4" | findstr Date
+
+rem original GoPro files (copy within same file @)
+for %F in ("*GoPro Hero.mp4") DO exiftool -P -tagsFromFile @ -QuickTime:CreateDate^<FileModifyDate -QuickTime:ModifyDate^<FileModifyDate -TrackCreateDate^<FileModifyDate -TrackModifyDate^<FileModifyDate -MediaCreateDate^<FileModifyDate -MediaModifyDate^<FileModifyDate "%F"
+
+rem Handbrake transcoded
+for %F in ("*GoPro Hero.mp4") DO exiftool -P -tagsFromFile "E:\RawTriage\GoPro Hero\20230819 Videos\%F" -DateTimeOriginal^<FileModifyDate -CreateDate^<FileModifyDate -ModifyDate^<FileModifyDate -TrackCreateDate^<FileModifyDate -TrackModifyDate^<FileModifyDate -MediaCreateDate^<FileModifyDate -MediaModifyDate^<FileModifyDate "%F"
+
+
+
+exiftool -G -args "ab-20230731-115059-GoPro Hero.MP4"
\ No newline at end of file
diff --git a/ren_triage.py b/ren_triage.py
index c917a18..05c626f 100644
--- a/ren_triage.py
+++ b/ren_triage.py
@@ -19,7 +19,7 @@ DRY_RUN = False
 
 fileidx = defaultdict(int)
 
-CAMERAS = ("GoPro Hero3+", "Ricoh Theta V", "Ricoh Theta S", "Sony a5100", "Sony a65", "Sony a68", "Sony TRV-25E", "Fuji Finepix Real 3D W3", "DJI Mini 2", "Samsung Galaxy A40", "Samsung Galaxy A41")
+CAMERAS = ("GoPro Hero", "DJI Mini 2", "Ricoh Theta V", "Ricoh Theta S", "Sony a5100", "Sony a65", "Sony a68", "Sony TRV-25E", "Fuji Finepix Real 3D W3", "DJI Mini 2", "Samsung Galaxy A40", "Samsung Galaxy A41")
 
 
 def recurse(dir, md, camera=None):
diff --git a/set_mtime_from_filename.py b/set_mtime_from_filename.py
index cb17670..668f167 100644
--- a/set_mtime_from_filename.py
+++ b/set_mtime_from_filename.py
@@ -10,6 +10,7 @@ from pathlib import Path
 import datetime as dt
 import re
 import os
+import subprocess
 
 DRY_RUN = False
 
@@ -22,10 +23,10 @@ def rename(old, new):
             print(f"skipped {old.name}, {new.name}, already exists")
 
 # src = Path(r'D:\Videos')
-src = Path(r"D:\MediaLibrary\Pictures\2022\20220831 Urlaub Cote d'Azur")
+src = Path(r"D:\MediaLibrary\Pictures\2023\20230819 Urlaub Nordkapp")
 
-for raw in src.glob("*pano.jpg"):
-    mo = re.match("(?P<author>[^-]*)-(?P<dt>\S*)-(?P<model>[^-]*)(-\S+)?.jpg", raw.name)
+for raw in src.glob("*.mp4"):
+    mo = re.match("(?P<author>[^-]*)-(?P<dt>\S{8}-\S{6})-(?P<model>[^-]*)(-\S+)?.mp4", raw.name)
     if mo is None:
         print(f"skipped {raw.name}, no match")
         continue
@@ -34,7 +35,12 @@ for raw in src.glob("*pano.jpg"):
     mtime = rawdt.timestamp()
     atime = raw.stat().st_atime
     print(f"setting {raw.name} to {rawdt}")
+    exifdt = (rawdt+dt.timedelta(hours=2)).strftime('%Y:%m:%d %H:%M:%S')
+    print(f'exiftool "-AllDates={exifdt}" "{raw}"')
+    subprocess.run(["exiftool", f"-AllDates={exifdt}", f"{raw}"])
     if not DRY_RUN:
         os.utime(raw, (atime, mtime))
     # fn = f"{md['author'].lower()}-{md['dt']}-{md['model']}{raw.suffix}"
     # rename(raw, raw.parent / fn)
+    # use exiftool for MP4 metadata timestamps  3127 days, 19:36:35
+    # exiftool "-AllDates+=3127 19:36:35" "E:\RawTriage\GoPro Hero\20230819"