It is probably because the video is h.264 High Profile. We recommend Baseline Profile. Newer devices have no problem with Main Profile, but High Profile is not recommended for HLS playback on iOS devices.
Input #0, flv, from 'rtmp://monddia.dyndns.info:1935/live/heme
encoder : Lavf55.45.100
Duration: 00:00:00.00, start: 0.000000, bitrate: N/A
Stream #0:0: Video: h264 (High), yuv420p, 720x576 [SAR 16:
Stream #0:1: Audio: aac, 48000 Hz, stereo, fltp, 94 kb/s