[Cin] mpeg2 encoding with ffmpeg (for dvd, from doom9 forums)

[Phyllis Smith]

Forgot to mention that the error may be due to testing with the additional
ffmpeg 4.4. patches so will retest without these in
   0013-More-ffmpeg-4.4-patches-renaming-B0-to-B0_-due-to-te.patch
   00233-Hack-pix_fmts-for-yuv4mpegpipe-muxer-encoder-allow-f.patch
   0032-HACK-make-avi-demuxer-in-ffmpeg-use-cin-specific-see.patch
   0043-Add-two-more-libx264-patches-for-ffmpe-enable-avcint.patch

On Sun, Nov 21, 2021 at 9:21 AM Phyllis Smith <phylsmith2017 at gmail.com>
wrote:

>
>
>> I tried to create mpeg2 two-pass video profiles according to
>>
>>
>> https://cinelerra-gg.org/download/CinelerraGG_Manual/Two_pass_Encoding_with_FFmp.html
>>
>> and info above
>>
>> see attached (I tested those on android, so cin_stat_file must be altered
>> for more generic logfile location)
>>
>> Note, second pass will crash if logfile was not created or removed...
>>
>>>
>>> As starting point  for first shot just increase bitrates to BD-levels?
>>>
>>> In doing a quick test of the 2 pass mpeg this morning after changing the
> location of the logfile, it worked.  But it did put out a couple of error
> messages on pass 2which I am not too sure about.  However, when I ran pass
> 2 without having run pass 1 first, it put out correct standard error
> messages and did not crash - which is good.  Attached you will see the 2
> error messages on pass 2 as also shown below.  And my audio was not set up
> to work but I am not sure if 2 passes even allow for that.
> FFStream::encode_frame: encode failed.
> file: /tmp/junbefore1.mpeg
>   err: Operation not permitted
> FFStream::flush failed
> :file:/tmp/junbefore1.mpeg
>   err: Operation not permitted
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.cinelerra-gg.org/pipermail/cin/attachments/20211121/63f81ba6/attachment.htm>