[FFmpeg-devel] drawtext filter

Paul B Mahol onemda at gmail.com
Thu Jan 26 18:37:20 EET 2023


On 1/26/23, Francesco Carusi <klimklim at tiscali.it> wrote:
> On 26/01/2023 14:21, Paul B Mahol wrote:
>> On 1/26/23, Francesco Carusi <klimklim at tiscali.it> wrote:
>>> The drawtext reinit command is also used in the docs as an example for
>>> the sendcmd filter, so I thought it was fine to use commands in that
>>> way. In my opinion it is also a convenient way to modify multiple
>>> options at the same time.
>>> Should the command match the name of a filter option instead?
>>>
>> Please do not top post.
>>
>> It is much better to use already existing options for commands that is
>> more intuitive to users. Also multiple options can be set at runtime,
>> there is no such limitation.
> ok, I'm going to remove the "change" command and add commands that match
> the options that it included.

Thanks, feel free to ask questions on #ffmpeg-devel irc channel.

>
>>> On 26/01/2023 11:50, Paul B Mahol wrote:
>>>> On 1/26/23, Francesco Carusi <klimklim at tiscali.it> wrote:
>>>>> Hi, I'm new to contributing to ffmpeg!
>>>>>
>>>>> I modified the drawtext filter to improve text rendering and add some
>>>>> features. You can find a high level description of the changes at this
>>>>> link:
>>>>>
>>>>> https://github.com/yethie/FFmpeg/blob/master/drawtext/CHANGES.md
>>>>>
>>>>> I'm also attaching the patch file.
>>>>> I looked for the filter maintainer to discuss about the changes I made
>>>>> but it looks like there isn't any, am I correct?
>>>>>
>>>>> Please let me know if this is the right way to submit my contribution.
>>>> Why filter can not support normal commands for options? Like most/all
>>>> other filters that have support for changing options values at
>>>> runtime.
>>>>
>>>> The reinit and yours added change option(s) are very
>>>> strange/inconvenient things to do.
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