![]() ![]() You probably meant the changeFps filter.Ĭode Select Expand 20:07:20-584 stts:0 Would resampleFps with the same bitrate be safe to use on constant frame rate video ? Quote from: butterw on May 08, 2021, 06:08:19 PMA video can have the exact average frame rate and still be variable frame rate. Can resampleFps set the output frame Rate based on the input frame Rate automatically ? (29.97fps vfr -> 29.97fps cfr) Quote from: butterw on May 08, 2021, 06:08:19 PM- Avidemux can measure average frame rate. ![]() Please look for the line with "Histogram map" in Avidemux log from loading a MP4 or QuickTime file. Quote from: butterw on May 08, 2021, 06:08:19 PM- Does Avidemux have the capacity (like MediaInfo) to detect whether a video is Variable Frame Rate mode ? I plan to investigate the viability of such a feature. Quote from: butterw on May 08, 2021, 06:08:19 PMOther tools may allow converting to constant frame rate without encoding. Sample videos made available for me, shot with iDevices, were VFR too, with a 1/600 timebase, almost CFR, but not perfectly. These videos are typically constant frame rate (with some jitter on frame times), and can be converted to constant frame rate without issuesĪll videos shot by Android smartphones I owned were truly variable frame rate videos with 1/90000 timebase and the average fps close but not equal 30 fps. Quote from: butterw on May 08, 2021, 06:08:19 PM- Many phone and internet videos are encoded as variable frame rate. If the average frame rate is not the exact expected values (ex: 30.002 instead of 30fps) the video is likely Variable Frame Rate.Ī video can have the exact average frame rate and still be variable frame rate. In resampleFps VideoFilter, it should be noted that 29.97(NTSC)= 30000/1001 is different from Custom: 29.97=29970/1000 Avidemux can measure average frame rate. Does Avidemux have the capacity (like MediaInfo) to detect whether a video is Variable Frame Rate mode ? Other tools may allow converting to constant frame rate without encoding. When re-encoding in Avidemux, it's possible to convert to constant frame Rate with the resampleFps VideoFilter. These videos are typically constant frame rate (with some jitter on frame times), and can be converted to constant frame rate without issues Many phone and internet videos are encoded as variable frame rate. ![]()
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