Goal: Trying to avoid unnecessary transcoding due to eac3 audio streams on some mkv files in my library by adding a second (converted/transcoded) ac3 audio stream to mkv files. (While still preserving original mkv/eac3 streams)
Disclaimer: Iím new to this sort of thing and the only method Iíve found that works is to manually use these GUI apps with the following steps...
Current Working Method:
1. Using UsEac3To:
a. Demux mkv video & eac3 audio streams
b. Use libAften to encode a new ac3 stream from the demuxed eac3 stream
2. Using MKVToolNix GUI:
a. Use "multiplexing" task to remux mkv video stream and eac3/ac3 audio streams (ac3 set to default audio track)
Result: Mkv file with 2 audio streams (default set to ac3) able to direct stream without the need for transcoding.
Problem: This is far too many steps if I'm trying to convert an entire season. I have hundreds of files that could benefit from the addition of a default ac3 audio track.
Failed attempts using existing AIO tools...
1. Attempts using PopCorn MKV AudioConverter failed (Received "VideoTrack Not Found!" error, using latest version w/all necessary tools downloaded)
2. Attempts using MKV2AC3 failed (Fails to convert audio stream to ac3)
1. Are there any other tools with which I can accomplish this?
2. How difficult would it be to create something like a batch file that I could drop video files onto in order to create the desired result? (Something that could do batch processing within a folder would be amazing)
Any direction here would be greatly appreciated. Apologies in advance if I used any incorrect terminology. Please let me know of any errors and I'll clarify/fix them.
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