[FFmpeg-user] Timestamp and missing frame when converting 4K h.264 to h.265

[Carl Eugen Hoyos]

2018-04-15 17:54 GMT+02:00, Gralfus <jason.woodrow at gmail.com>:

> I have a new Panasonic 4K video camera that produces its 4K
> content in h.264 MP4 format (3840×2160). When I use ffmpeg
> to convert this to the h.265 codec to shrink the file size, I see
> a couple of errors about a missing key frame

> and timestamp, but then the file is generated but with serious
> visual artifacts.

Please provide an input sample.

Thank you, Carl Eugen