> 2016/06/21 7:02P.M. Carl Eugen Hoyos <cehoyos<at>ag.or.at> wrote: > 桃源老師 <xanadu6291 <at> dream.jp> writes: > >> The resulting video playbacks fine with ffplay and VLC > > So there is no problem for which you are searching for a solution?
Yes my problem is cutting video with not on the key frame is correct or not. If resulting video is bad, I can understand my way is wrong. But *unfortunately* the resulting video is fine... > >> except QuickTime Player have approx. 2 seconds black screen on start. > > The reason could be different start times for audio and video, > it does not sound related to key frames. Thank you for teach me. > It is generally correct that with "-codec copy" video can only be > cut on key frames. For h264, it may no be so easy to define a > "key frame", valid h264 streams without key frames exist, it should > still be possible to cut them. So this is the answer for my question right? Since my video is h264, it can be cut at non key frame even though I use "-codec copy". right? Best Regards, // Miya aka. TougenRoushi
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