diff --git a/vid_convert.py b/vid_convert.py
old mode 100644
new mode 100755
index 7c118fc..60c5406
--- a/vid_convert.py
+++ b/vid_convert.py
@@ -110,9 +110,13 @@ def cropping(file, infos):
     '''
     logging.info("Détection de la taille de l'image...")
     duration_tier = int(infos['duration'] / 3)
-    command = f"ffmpeg -loglevel info -i {file} -ss {duration_tier} -t {duration_tier} -an -f null -vf cropdetect -y /dev/null"
+    command = f"ffmpeg -loglevel info -i {file} -ss {duration_tier} -t {int(duration_tier / 10)} -an -f null -vf cropdetect -y /dev/null"
     logging.debug(command)
-    cropsize = subprocess.getoutput(command).splitlines()[-3].split()[-1]
+    line = -3
+    cropsize = "times"
+    while cropsize == "times" or ":" not in cropsize:
+        cropsize = subprocess.getoutput(command).splitlines()[line].split()[-1]
+        line -= 1
     logging.debug(f"Paramètre de découpe : {cropsize}")
     return cropsize
 
@@ -301,7 +305,8 @@ if __name__ == '__main__':
     else:
         logging.basicConfig(format='[%(asctime)s]\n%(message)s', level=logging.INFO, datefmt='%d/%m/%Y %H:%M:%S')
     file = args.f_input
-    infos = get_infos(file)
+    # infos = get_infos(file)
+    interlaced = False
     interlaced = is_interlaced(file, infos)
     cropsize = cropping(file, infos)
     volumes = volume_audio(file, infos)
@@ -321,7 +326,7 @@ if __name__ == '__main__':
     else:
         vid_part_time = 0
     while vid_part_time < infos['duration']:
-        crf = 19
+        crf = 20
         convert_video(file, infos, vid_part_time, cropsize, crf, animation, interlaced, args.vhs)
         vid_part_time += 300
     create_mkv(file)