Doesnt Show After Couple Minutes

[tyler78]

1080p video--> 22-23 fps
720p video--> 30 fps

[Eugene]

1080p video--> 22-23 fps
720p video--> 30 fps

1080p - speed is insufficient for viewing
720p - speed is sufficient, but over time can be reduced, in the beginning of the film is usually not dynamic.
You can use a smaller frame size transcoding, posing on pause for the formation of the reserve transcoded content or pre-transcoding.