SOLVED: Chromecast + 1080p no stream

[Nero_XIII]

Update:

it does not work. I am running out of ideas why this is not working.
These are the infos from the file i like to play (for example) on the left. On the right the file which is working. If i get the info while playing the file it also says that it is fully supported on the destination device and does not need any transcoding.

Container: mp4 mp4
Video
Titel: 1080p H264 SDR 720p H264 SDR
Codec: H264 H264
Codec-Tag: avc1 avc1
AVC: Yes YES
Profil: High High
Level: 32 31
Auflösung: 1728x720 1280x536
Seitenverhältnis: 2.40:1 2.40:1
Anamorph: No
Zeilensprungverfahren: No No
Bildrate: 23.976025 23.976025
Bitrate: 630 kbps 491 kbps
Bit-Tiefe: 8 bit 8 bit
Videobereich: SDR SDR
Video-Dynamikumfang: SDR SDR
Pixelformat: yuv420p yuv420p
Referenz-Frames: 1 1
NAL: 4 4

Audio
Titel: AAC - Stereo - Default AAC - Stereo - Default
Sprache: und und
Codec: AAC AAC
Codec-Tag: mp4a mp4a
AVC: No
Profil: LC LC
Darstellung: stereo stereo
Kanäle: 2 ch 2 ch
Bitrate: 129 kbps 129 kbps
Abtastrate: 44100 Hz 44100 Hz
Standard: Yes Yes
Erzwungen: No no
Extern: No no

so the only difference i can see is the resolution but that should not be a problem as that Chromecast stick is able to play this.