Re: [FFmpeg-user] Change frame rate without dropping/adding frames

2015-01-15 Thread Elliott Balsley
After a long break from this issue, I have a new problem. For example, I want to take a 24fps video and make it play slow-mo at 12fps. The input option -r is dropping frames, rather than slowing down the playback speed. I don't have my main computer right now, which uses the latest git master;

Re: [FFmpeg-user] Change frame rate without dropping/adding frames

2015-01-15 Thread Elliott Balsley
Ah yes of course, I had the numbers mixed up in my head. Thanks Nick. Now when I do the conversion, I get all these non-monotonous DTS warnings. Is there any solution to that, other than reducing the loglevel? The output file seems to be correct, albeit without a timecode track. Timecode is

Re: [FFmpeg-user] Change frame rate without dropping/adding frames

2015-01-15 Thread Nicholas Robbins
On Thursday, January 15, 2015 7:30 PM, Elliott Balsley elliottbals...@gmail.com wrote: After a long break from this issue, I have a new problem. For example, I want to take a 24fps video and make it play slow-mo at 12fps. The input option -r is dropping frames, rather than slowing down

Re: [FFmpeg-user] Change frame rate without dropping/adding frames

2014-09-10 Thread tim nicholson
On 10/09/14 07:59, Carl Eugen Hoyos wrote: Dave Rice dave at dericed.com writes: h264 in avi is not going to be understood by much other than ffmpeg... Since this was quoted a few times, I'd like to repeat that H264 in avi works fine with WMP. (Contrary to any other output container

Re: [FFmpeg-user] Change frame rate without dropping/adding frames

2014-09-08 Thread tim nicholson
On 07/09/14 15:01, Carl Eugen Hoyos wrote: Elliott Balsley elliottbalsley at gmail.com writes: I want to take a video at 60fps and convert it to 24fps, without adding or dropping frames. Use the input option -r. which is ignored if using stream copy... or was in my testing:- ffmpeg -r

Re: [FFmpeg-user] Change frame rate without dropping/adding frames

2014-09-08 Thread Carl Eugen Hoyos
tim nicholson nichot20-at-yahoo.com at ffmpeg.org writes: I want to take a video at 60fps and convert it to 24fps, without adding or dropping frames. Use the input option -r. which is ignored if using stream copy... Use avi as intermediate container. (The OP originally didn't say

Re: [FFmpeg-user] Change frame rate without dropping/adding frames

2014-09-08 Thread tim nicholson
On 08/09/14 09:19, Carl Eugen Hoyos wrote: tim nicholson nichot20-at-yahoo.com at ffmpeg.org writes: I want to take a video at 60fps and convert it to 24fps, without adding or dropping frames. Use the input option -r. which is ignored if using stream copy... Use avi as intermediate

Re: [FFmpeg-user] Change frame rate without dropping/adding frames

2014-09-08 Thread Carl Eugen Hoyos
tim nicholson nichot20-at-yahoo.com at ffmpeg.org writes: h264 in avi is not going to be understood by much other than ffmpeg... Works fine with vanilla WMP. (And I wonder which other application should be relevant for avi.) Carl Eugen ___

Re: [FFmpeg-user] Change frame rate without dropping/adding frames

2014-09-07 Thread Carl Eugen Hoyos
Elliott Balsley elliottbalsley at gmail.com writes: I want to take a video at 60fps and convert it to 24fps, without adding or dropping frames. Use the input option -r. Carl Eugen ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org

[FFmpeg-user] Change frame rate without dropping/adding frames

2014-09-03 Thread Elliott Balsley
Hello, I want to take a video at 60fps and convert it to 24fps, without adding or dropping frames.  So the duration would be 2.5 times longer and the video would play in slow motion.  I realize the setpts filter can do this, but I’d like to avoid re-encoding.  This is possible in most NLE