Case 2. Raising FSH/SH failed ICP for MP4 file. Video Bitrate FSH/SH=32000000, Video Bitrate 1080p MP4=20000000
It is also very very interesting.
Case 4. No FSH/SH bitrate selected. Rasing MP4 passed ICP, but the overall bitrate remained only 20Mbps instead of 35Mbps. Video Bitrate 1080p MP4=35000000
This case is meaningless, as FSH patch is requires by any other bitrate patches. See tips in PTool.
I tested only PAL mode.
Case 1. Default bitrate for FSH/SH and 1080p MP4 worked fine. In-Camera-Playback (ICP) passed. Video Bitrate FSH/SH=16000000, Video Bitrate 1080p MP4=20000000
Case 2. Raising FSH/SH failed ICP for MP4 file. Video Bitrate FSH/SH=32000000, Video Bitrate 1080p MP4=20000000
Case 3. Raising MP4 bitrate failed ICP for MP4. Video Bitrate FSH/SH=16000000, Video Bitrate 1080p MP4=35000000
Case 4. No FSH/SH bitrate selected. Rasing MP4 passed ICP, but the overall bitrate remained only 20Mbps instead of 35Mbps. Video Bitrate 1080p MP4=35000000
That'll give some idea to those who want to test more to find more clues for VK.
Known Issues
GX1 has problems playing back MP4 files with increased bitrate.
More testing required to spot the cause.
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