diff --git a/vid_convert.py b/vid_convert.py
index 8950962..c62dcb2 100755
--- a/vid_convert.py
+++ b/vid_convert.py
@@ -182,17 +182,13 @@ def convert_audio(file, track, volume_adj, channels, channel_layout, language, t
         logging.error(result)
 
 
-def convert_video(file, infos, start, crop, crf, animation, interlaced, vhs):
-    str_start = "{:05d}".format(start)
-    output = f'{file}_video_t{str_start}.mkv'
+def convert_video(file, infos, crf, crop, enc_options, interlaced, vhs):
+    output = f'{file}_video.mkv'
     fmt = "yuv420p10le"
     track = infos['video']['index']
-    codec = 'libx265 -preset slower'
+    codec = 'libsvtav1'
+    svtav1_params = enc_options
     hdr = ''
-    if animation:
-        tune = "-tune animation"
-    else:
-        tune = ""
     if interlaced:
         crop = f"{crop},yadif"
     if vhs:
@@ -229,10 +225,22 @@ def convert_video(file, infos, start, crop, crf, animation, interlaced, vhs):
             max_luminance = int(int(max_luminance[0])*(int(max_luminance[1])/10000))
             luminance = f'L\({max_luminance},{min_luminance}\)'
             master_display = green + blue + red + white_point + luminance
-            hdr = f'-x265-params hdr-opt=1:repeat-headers=1:colorprim={color_primaries}:transfer={color_transfer}:colormatrix={color_space}:master-display={master_display}:max-cll={light_level}'
+            hdr = f'mastering-display={master_display}:content-light={light_level}'
+            if svtav1_params:
+                svtav1_params = f'{svtav1_params}:{hdr}'
+            else:
+                svtav1_params = hdr
         except Exception as err:
-            logging.debug(f"Aucune information HDR : {err}")
-    command = f'ffmpeg -loglevel error -i {file} -map 0:{track} -ss {start} -t 300 -an -sn -c:v {codec} {tune} {hdr} -crf {crf} -pix_fmt {fmt} -filter:v {crop} -y {output}'
+            logging.debug(f"Aucune information HDR statique : {err}")
+    if 'hdr10plus' in infos['video']:
+        hdr10plus_param = f"hdr10plus-json={infos['video']['hdr10plus_metadata']}"
+        if svtav1_params:
+            svtav1_params = f'{svtav1_params}:{hdr10plus_param}'
+        else:
+            svtav1_params = hdr10plus_param
+    svtav1_args = f'-svtav1-params {svtav1_params}' if svtav1_params else ''
+    command = f'ffmpeg -loglevel error -i {file} -map 0:{track} -an -sn -c:v {codec} {svtav1_args} -crf {crf} -pix_fmt {fmt} -filter:v {crop} -y {output}'
+    logging.info("Encodage vidéo en cours (AV1-SVT)...")
     logging.debug(command)
     result = subprocess.getoutput(command)
     if result != "":