[FFmpeg-user] Unable to play https://dash.akamaized.net/akamai/test/caption_test/ElephantsDream/elephants_dream_480p_heaac5_1_https.mpd with correct timestamp

[German Geraskin]

>
> Hi @ffmpeg-user at ffmpeg.org<mailto:ffmpeg-user at ffmpeg.org>
>
> Can anyone play below stream using ffmpeg
> https://dash.akamaized.net/akamai/test/caption_test/ElephantsDream/elephants_dream_480p_heaac5_1_https.mpd
>
> When I try to play timestamp is going from 4 to 0
>

Yes. It is playable. At least, ffplay (v4.1) open it easily (on Windows).
But v4.4 does NOT.
Well, v5.0.1 also cannot play it.

Output of v5.0.1
```
[https @ 0000014b3aa29e40] HTTP error 404 Not Foundq=    0B f=0/0
[dash @ 0000014b333f3780] Failed to open fragment of playlist
[dash @ 0000014b333f3780] Error when loading first fragment of playlist
https://dash.akamaized.net/akamai/test/caption_test/ElephantsDream/elephants_dream_480p_heaac5_1_https.mpd:
Invalid data found when processing input
```