[FFmpeg-user] Missing ')' or too many args in 'between(t'
astroelectronic at t-online.de
Thu May 7 09:21:26 EEST 2020
Am 07.05.2020 um 02:46 schrieb Ulf Zibis:
> Am 06.05.20 um 20:48 schrieb James Darnley:
>> On 06/05/2020, Ulf Zibis <Ulf.Zibis at cosoco.de> wrote:
>>> [Parsed_volume_0 @ 0x55b1b575cd40] [Eval @ 0x7ffed56fa4a0] Missing
>>> ')' or
>>> too many args in 'between(t'
>>> [Parsed_volume_0 @ 0x55b1b575cd40] Error when evaluating the volume
>>> expression 'not(between(t'
>>> [AVFilterGraph @ 0x55b1b575c5c0] Error initializing filter 'volume'
>>> args 'not(between(t'
>> You need to escape those commas. Commas separate different filters.
>> Probably the colons too which separate different arguments for a
>> single filter.
> Thanks for the hint. I already tested escaping the commas with '\' but
> with hours:minutes:seconds. This didn't work.
> Now I tried with pure seconds, an this worked. Here is my command:
> $ ffmpeg -ss 03:00 -t 01:30:50 -i in.mp3 -f lavfi -i
> -vf format=yuv420p -crf 39 -shortest out_1.3x.mp4
> I tried several versions to escape the collons, but found no solution.
> I think, that there must be a solution similar to the examples here:
> Does one have a clue, how it could work?
I have never seen an example of hh:mm:ss inside an expression, and I
don't think that works. The expression evaluator works only with integer
or floating point numbers, but not with times.
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