[FFmpeg-user] MPEG2 Profile Options Integer order wrong
wsc4 at optusnet.com.au
Wed Jun 17 05:28:39 EEST 2020
----- Original Message -----
From: "Limin Wang" <lance.lmwang at gmail.com>
To: <ffmpeg-user at ffmpeg.org>
Sent: Wednesday, June 17, 2020 10:24 AM
Subject: Re: [FFmpeg-user] MPEG2 Profile Options Integer order wrong
> On Wed, Jun 17, 2020 at 09:31:47AM +1000, Bill Crockett wrote:
>> Who maintains the documentation on the above and how can I contact to ask
>> if it is wrong or correct?
>> 16.15 mpeg2
>> MPEG-2 video encoder.
>> 16.15.1 Options
>> profile integer
>> Select the mpeg2 profile to encode:
>> Spatially Scalable
>> SNR Scalable
>> There are no numbers listed, but my guess is the order as is written and
>> would be "main" = 1 and "high" = 4
> Yes, it's const string, you can use -profile:v high or -profile:v main to
> expect result.
>> This is wrong and "high should be 1 and "main" should be 4.
> If you guess the number by the order, I'll submit a patch to fix it to
> avoid such
> confusion, it's not expected.
> Limin Wang
Thanks for that.
Before you told me this, I did try the words "high" or "main", but I put in
quotes either single or double and got errors.
Does MPEG2 still have the -level:v options? This is all that is said:
level integer (encoding,audio,video)
In the past, I found you could use 2, 4, 5, 6. or 8
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