Add artifacts joining

Co-authored-by: Pedro Nogueira Coutinho <nogsp@users.noreply.github.com>

join.py

@@ -0,0 +1,8 @@
+import ffmpeg
+
+def join_artifacts():
+    audio_in = ffmpeg.input('audio_out.mp3')
+    video_in = ffmpeg.input('out.mp4')
+    ffmpeg.concat(video_in.filter("subtitles", "audio_out.srt"), audio_in, v=1, a=1).output('av_out.mp4').run()
+
+join_artifacts()

requirements.txt

@@ -19,6 +19,7 @@ openai
 elevenlabslib
 replicate
 rev_ai
+urllib3
 # transformers
 torchlibrosa
 transformers