yt-clipper und seefahrt

onlineTraining/yt-clipper.py

@@ -0,0 +1,68 @@
+#! /usr/bin/env python3
+
+import youtube_dl
+import json
+import ffmpeg
+import subprocess
+import glob
+
+jsonFileName = "clips.json"
+
+clipDict = {}
+with open(jsonFileName) as jf:
+	clipDict = json.load(jf)
+
+ydl_opts = {"outtmpl": "%(id)s"}
+
+for clip in clipDict:
+	infoDict = None
+	with youtube_dl.YoutubeDL(ydl_opts) as ydl:
+		infoDict = ydl.extract_info(clip['source'], download=False)
+		ydl.download([clip['source']])
+		
+	if infoDict is not None:
+		stream = ffmpeg.input(
+                        # @todo This is a very bad hack because the outtmpl options doesn't seem to be working if the file gets reencoded
+			glob.glob(infoDict['id']+"*")[0], 
+			ss=clip['from'], 
+			to=clip['to'], 
+		)
+		stream = ffmpeg.filter(stream, "scale", height="480", width="-2" )
+		stream = ffmpeg.output(stream, 
+			clip['target'], 
+			vcodec="vp9", 
+			**{
+				"an":None, "y":None, 
+				"pass":"1", 
+				"b:v":"512k", "minrate":"375k", "maxrate":"1088k", 
+				"quality":"good", 
+			}
+		)
+		try:
+			ffmpeg.run(stream)
+		except:
+			print(infoDict)
+
+		stream = ffmpeg.input(
+			glob.glob(infoDict['id']+"*")[0], 
+			ss=clip['from'], 
+			to=clip['to'], 
+		)
+		stream = ffmpeg.filter(stream, "scale", height="480", width="-2" )
+		stream = ffmpeg.output(stream, 
+			clip['target'], 
+			vcodec="vp9", 
+			**{
+				"an":None, "y":None, 
+				"pass":"2", 
+				"b:v":"512k", "minrate":"375k", "maxrate":"1088k", 
+				"quality":"good", 
+			}
+		)
+		try:
+			ffmpeg.run(stream)
+		except:
+			print(infoDict)
+
+
+#640x480p @ 24,25,30 	512 (LQ), 750 (MQ) 	256 (LQ) 375 (MQ) 	742 (LQ) 1088 (MQ)