[Cin] Sorry, updated mpeg4 profiles again

Phyllis Smith phylsmith2017 at gmail.com
Wed Sep 16 02:52:23 CEST 2020

I just noticed that the flv_h264.flv output file is so pixelated (original
was 352x240) that I think it would only be useful on a small play device
(lots of those around in phones these days). And for some reason the
mpeg1_mp2.mpeg is now working so obviously I was doing something wrong

On Tue, Sep 15, 2020 at 6:40 PM Phyllis Smith <phylsmith2017 at gmail.com>

> Andrew,
> I also tried to create two new profiles mpeg1.mpeg and mpeg2.mpeg with
>> those recommended settings in them, and mpeg1_mp2.mpeg as audio file (so
>> you can mux mpeg1 streams with sound) - but not sure how useful they can be?
>> I also tried to create h264 flv, but swftool failed to merge it into swf,
>> and I don't know any other open-source tool for merging/wrapping flv into
>> swf
> Well, I tried these 4 and the 3 seem to work and could be useful.  BUT
> mpeg1_mp2.mpeg for audio just gives me the error message of:
> libtwolame @ 0x7fffa0701f80] Specified channel layout '5.1' is not
> supported
> FFMPEG::open_encoder  err: Invalid argument
> which I do not understand as I only had 2 channels.
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