YAMF 0.75 released
Wednesday, 07 July 2010 17:27

As promised the latest YAMF version is now available in the download section (Code). A tidbit of changelog:

Added support to re-encode any separate audiostream before multiplexing it into the Matroska container. I also changed the ogg support from Oggenc to ffmpeg simply to keep the number of external programs down that must be juggled and maintained by you. I have altogether moved away from mencoder being the sole encoder and now also use faac, ffmpeg and eac3to and its various DLLs. Yes, I (optionally) use Windows-only functions (such as eac3to) simply because its functionality does not exist on the Linux platform. Further reasons are that mencoder does a really bad job downmixing some audio and I eventually decided to add the ability to process separately. I found that simply 'isn't there yet' when it comes to Bluray. You may beg to differ and the code will mostly run unchanged with the cross-platform encoders.

To use the new audio-encoding features add an audio-stream, tick the re-encode box and right-click to bring up the re-encoding options and I will document them at some later point. For the new options to work you will need to define the location of the encoders in your profile. The command line (or thereabouts) YAMF will generate for the options picked will always be shown at the bottom of the dialog. The output of everything will as always be collected and shown at the end of the encoding and multiplexing process. As the audio-encoding stage may take a while I added another status display which gives you somewhat of an idea where YAMF is at.

Some things may not work in this regard such as the fact that faac will not encode an AC3 file. If you instead use eac3to to do this, eac3to will do the necessary magic to let this happen which makes it the superior option. Of course, this limits you to the Windows platform.

If some encoding option does not work as expected, copy and paste the generated commnad, adjust it if necesssary and paste it into a shell or command window. This makes it much easier to debug than to wait for a possibly lengthy audio- and video encoding process to end.

Not everything has been extensively tested so I hope to receive some feedback. Let me know how it goes.

As for now I am adding VP8 support including the webm container. Look for this in the next drop.

Please leave feedback in the fresh new forum.

 

Comments
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Tom Dunlop  - YAMF   |173.66.214.xxx |2010-08-25 13:35:13
I gave the latest release a try (0.75). I tried an .M2TS and .TS from my 1212
(one with AC3 and one AAC audio)and both times the program gave me a MKVMerge
error about the audio when I tried to leave the audio "as is." I
changed to PCM output and it finished encoding but the video and audio were
badly out of sync.

Is there a tutorial or "howto" as far as versions of
software to use and how to get started? I couldn't find it.

By the way, the
"help" button doesn't work.
Rolf Ernst  - Response   |71.170.29.xxx |2010-08-25 14:39:23
You know, I wrote something up, I thought. ell, maybe I misplaced it . I
started on the help at some point but it turned out to be so extensive that I
gave up on it and instead continued coding.

That aside: The code completely
relies on the underlying software (mencoder, etc.).

As or the mkvmerge error -
I would have to know more. Mkvmerge is probably not who is complaining but
mencoder.

The forum (I know, nobody seems to be using but is commenting or
using the feedback for - I really recommend the forum) is the best place to
communicate this.

You can always try to paste the command line that the code
generates into a shell prompt/command window and see what mencoder says. I would
have to see the exact message to give you an answer here.

For some bizarre
reason mencoder cannot leave AAC audio 'as is'. I could ask the guys but it is
what it is. You *definitely* can leave AC3 audio as is - I do it all the
time.

So s...
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