Re: [FFmpeg-user] Zoompan filter, frame counts seem to start from 2 and 1, not 0 -- expected behaviour?

2018-06-03 Thread Jim DeLaHunt
Opened ticket https://trac.ffmpeg.org/ticket/7242 "zoompan filter variables 'in' and 'on' start at 2, 1 instead of at 0" . -- --Jim DeLaHunt, j...@jdlh.com http://blog.jdlh.com/ (http://jdlh.com/) multilingual websites consultant 355-1027 Davie St, Vancouver BC V6E 4L2,

Re: [FFmpeg-user] Zoompan filter, frame counts seem to start from 2 and 1, not 0 -- expected behaviour?

2018-06-02 Thread Jim DeLaHunt
On 2018-06-02 03:25, Gyan Doshi wrote: On 02-06-2018 02:39 PM, Jim DeLaHunt wrote: But even without the *crop* filter, the *zoompan* filter appears to be starting its *in* and *on* frame counts at 3 and 2: That should be "2 and 1" You are right! Thank you for catching this. I've been

Re: [FFmpeg-user] Zoompan filter, frame counts seem to start from 2 and 1, not 0 -- expected behaviour?

2018-06-02 Thread Gyan Doshi
On 02-06-2018 02:39 PM, Jim DeLaHunt wrote: On 2018-06-02 01:22, Gyan Doshi wrote: This isn't related to the zoompan filter. If you ask ffmpeg to not compress the log messages by setting the repeat flag `-v +repeat`, you'll see that the crop filter processes the first frame twice. Sorry.

Re: [FFmpeg-user] Zoompan filter, frame counts seem to start from 2 and 1, not 0 -- expected behaviour?

2018-06-02 Thread Jim DeLaHunt
On 2018-06-02 01:22, Gyan Doshi wrote: This isn't related to the zoompan filter. If you ask ffmpeg to not compress the log messages by setting the repeat flag `-v +repeat`, you'll see that the crop filter processes the first frame twice. Thank you for the prompt response! Below I've pasted

Re: [FFmpeg-user] Zoompan filter, frame counts seem to start from 2 and 1, not 0 -- expected behaviour?

2018-06-02 Thread Gyan Doshi
On 02-06-2018 01:33 PM, Jim DeLaHunt wrote: 1234001.00     Last message repeated 1 times 2718003.00 3142002.00 1234002.00     Last message repeated 1 times This isn't related to the zoompan filter. If you ask ffmpeg to not compress the log messages by setting the repeat

[FFmpeg-user] Zoompan filter, frame counts seem to start from 2 and 1, not 0 -- expected behaviour?

2018-06-02 Thread Jim DeLaHunt
Hello, all: I was doing some work with the *zoompan * video filter for ffmpeg, attempting to zoom and pan across the frames of an input video to create an output video that looked like a camera operator was tracking the action. So I was using