Re: [FFmpeg-user] Change filters in runtime
Am Mo., 12. Aug. 2019 um 15:31 Uhr schrieb Anatoly : > Can't point you where zmq is documented in ffmpeg docs https://ffmpeg.org/ffmpeg-filters.html#zmq_002c-azmq (Not saying this is better or worse than other docs) Carl Eugen ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] Change filters in runtime
On Wed, 7 Aug 2019 15:07:48 -0300 Music Br wrote: > I need to change an overlay image on the video and resize the video > while running ffmpeg. It is possible? If so, how to proceed? > ___ > ffmpeg-user mailing list > ffmpeg-user@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe". > I think you should take a look at zeromq. Can't point you where zmq is documented in ffmpeg docs, but quick internet search bring me this: https://superuser.com/questions/1133641/ffmpeg-change-filter-options-after-running-ffmpeg ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] Change filters in runtime
Hi, On 2019-08-07 15:07 -0300, Music Br wrote: > I need to change an overlay image on the video and resize the video while > running ffmpeg. It is possible? If so, how to proceed? while ffmpeg doesn't support changing the filter graph, the behaviour of some filters can be changed at runtime. If you look at the documentation of the filters some have a section named commands. There are basically 3 ways to send commands when running ffmpeg: 1. interactively (press ? while ffmpeg is running, you should spot the two entries related to sending commands to filters) 2. sendcmd filter 3. zeromq (see documentation of the zmq filter) Number 3 would the best fit for your use case I guess. To be honest I think not enough filters support commands sufficiently to make most use cases possible. From a quick glance the use case you described seems not possible with current ffmpeg. If you can't contribute to ffmpeg development, I fear that filter commands won't work out for you. So looking for another software that supports your use case out of the box (possibly letting you use FFmpeg for the encoding) might be more promising for quick success. No idea in particular though, I don't have such a use case myself and can't recommend any software. Also your description was a bit terse and therefore some of my assumptions may be plain wrong. I'm mostly only answering because I think the feature of sending commands down the filter graph isn't widely known. Alexander ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] Change filters in runtime
Hi Music Br, What have you tried so far? when you say while running ffmpeg, do you want to change the image overlay somewhere in the middle? or just in general? Cheers, Rik On Wed, Aug 7, 2019 at 8:13 PM Music Br wrote: > I need to change an overlay image on the video and resize the video while > running ffmpeg. It is possible? If so, how to proceed? > ___ > ffmpeg-user mailing list > ffmpeg-user@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe". ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
[FFmpeg-user] Change filters in runtime
I need to change an overlay image on the video and resize the video while running ffmpeg. It is possible? If so, how to proceed? ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
