From 8f1a5b23b284db8cd0c38c588d762d52a0406ff6 Mon Sep 17 00:00:00 2001
From: Arona Jones <aj@aronajones.com>
Date: Sun, 7 Feb 2021 22:33:08 +0000
Subject: [PATCH] Initial version of lecturemunger working a treat

---
 lecturemunger.py | 48 ++++++++++++++++++++++++++----------------------
 1 file changed, 26 insertions(+), 22 deletions(-)

diff --git a/lecturemunger.py b/lecturemunger.py
index 7d9ecc5..4222890 100644
--- a/lecturemunger.py
+++ b/lecturemunger.py
@@ -5,9 +5,15 @@
 
 Depends on Destreamer and python-dateutil
 
+Ensure you have a blank Audacity project open before use
+
+Known issues:
+- Audio and video slip ever so slightly out of sync
+- Audio gets dickered into mono >.>
+
 """
 
-
+import shutil
 from subprocess import call
 import os
 import sys
@@ -81,15 +87,6 @@ def do_command(command):
     return response
 
 
-def export(filename):
-    """Export the new track, and deleted both tracks."""
-    do_command("Select: Track=1 mode=Set")
-    do_command("SelTrackStartToEnd")
-    do_command("Export2: Filename={} NumChannels=1.0".format(filename))
-    do_command("SelectAll")
-    do_command("RemoveTracks")
-
-
 def do_command(command):
     """Send one command, and return the response."""
     send_command(command)
@@ -102,12 +99,14 @@ def mkdir_if_not_exists(directory):
         os.makedirs(directory)
     return os.path.abspath(directory)
 
+# TODO Cleanup path handling cause...ew
 def do():
     mkdir_if_not_exists(working_dir)
     if working_dir:
         # Setup
         #os.chdir(working_dir)
         downloaded = mkdir_if_not_exists(working_dir + "/downloaded")
+        renamed = mkdir_if_not_exists(working_dir + "/renamed")
         processed_audio_dir = mkdir_if_not_exists(working_dir + "/processed_audio")
         final = mkdir_if_not_exists(working_dir + "/final")
         # Download videos
@@ -132,25 +131,30 @@ def do():
                 # Rename file
                 source = entry.path
                 filename = "{}.{}".format(title, extension)
-                dest = downloaded.path.joinpath(filename)
+                dest = os.path.abspath(renamed + "/" + filename)
                 print ("Source: " + source)
                 print ("Dest: " + dest)
-                os.rename(source, dest)
+                shutil.copy(source, dest)
 
                 # Extract audio, process it, add it back to the video
-                video_in = os.path.abspath(filename)
-                processed_audio = processed_audio_dir.joinpath(filename + ".wav")
-                final_output_name = final.joinpath(filename)
+                video_in = dest
+                processed_audio = os.path.join(processed_audio_dir, filename.split(".")[0] + ".wav")
+                final_output_name = os.path.join(final, filename)
+                # do_command("Help: Command=Popmute")
                 do_command("Import2: Filename={}".format(video_in))
                 do_command("SelectAll:")
-                do_command('Popmute:')
+                do_command('Popmute: thresh=-0.5 floor=-100')
                 do_command("SelectAll:")
                 do_command('Amplify:')
-                export(processed_audio)
-                do_command('Close:')
-                # TODO Move to different script?
-                final_output_name = "output-" + video_in
-                print("Combining video with audio at {}", processed_audio)
-                call('ffmpeg -i {} -i {} -acodec copy -vcodec copy -f mkv {}'.format(video_in, processed_audio, final_output_name), shell=True)
+                do_command("SelectAll:")
+                do_command("Export2: Filename={}".format(processed_audio))
+                do_command("SelectAll")
+                do_command("RemoveTracks")
+                # do_command('Close:')
+                # final_output_name = "output-" +
+                # TODO Folderisation of output by lecture
+                print("Combining video with audio at {}".format(processed_audio))
+                call('ffmpeg -i {} -i {} -acodec copy -vcodec copy {}'.format(video_in, processed_audio, final_output_name), shell=True)
+                print("\033[92mDone! Result is at {}".format(final_output_name))
 
 do()