Repository: yt-dlp
Issue: [MEMOBASE von Memoriav] Add support for memobase.ch.
Labels: site-request

### DO NOT REMOVE OR SKIP THE ISSUE TEMPLATE

- [X] I understand that I will be **blocked** if I *intentionally* remove or skip any mandatory\* field

### Checklist

- [X] I'm reporting a new site support request
- [X] I've verified that I'm running yt-dlp version **2023.03.04** ([update instructions](https://github.com/yt-dlp/yt-dlp#update)) or later (specify commit)
- [X] I've checked that all provided URLs are playable in a browser with the same IP and same login details
- [X] I've checked that none of provided URLs [violate any copyrights](https://github.com/yt-dlp/yt-dlp/blob/master/CONTRIBUTING.md#is-the-website-primarily-used-for-piracy) or contain any [DRM](https://en.wikipedia.org/wiki/Digital_rights_management) to the best of my knowledge
- [X] I've searched [known issues](https://github.com/yt-dlp/yt-dlp/issues/3766) and the [bugtracker](https://github.com/yt-dlp/yt-dlp/issues?q=) for similar issues **including closed ones**. DO NOT post duplicates
- [X] I've read the [guidelines for opening an issue](https://github.com/yt-dlp/yt-dlp/blob/master/CONTRIBUTING.md#opening-an-issue)
- [ ] I've read about [sharing account credentials](https://github.com/yt-dlp/yt-dlp/blob/master/CONTRIBUTING.md#are-you-willing-to-share-account-details-if-needed) and am willing to share it if required

### Region

_No response_

### Example URLs

- Single video: https://memobase.ch/object/zem-001-F_20_d_f_i_Expo
- Single video: https://memobase.ch/de/object/zem-001-F_20_d_f_i_Expo
- Playlist: https://memobase.ch/de/search?filter[collection][0]=Film-%2C%20Video-%20und%20Tonbildschaubestand%20Pro%20Senectute

### Provide a description that is worded well enough to be understood

Downloadable URL of the embedded video can be found in the page source:
https://media.memobase.k8s.unibas.ch/memo/zem-001-F_20_d_f_i_Expo-1

### Provide verbose output that clearly demonstrates the problem

- [X] Run **your** yt-dlp command with **-vU** flag added (`yt-dlp -vU <your command line>`)
- [ ] If using API, add `'verbose': True` to `YoutubeDL` params instead
- [X] Copy the WHOLE output (starting with `[debug] Command-line config`) and insert it below

### Complete Verbose Output

```shell
[debug] Command-line config: ['-vU', '--ffmpeg-location', 'C:\\Program Files\\ffmpeg-master-latest-win64-gpl\\bin', 'https://memobase.ch/de/object/zem-001-F_20_d_f_i_Expo']
[debug] Encodings: locale cp1252, fs utf-8, pref cp1252, out utf-8 (No VT), error utf-8 (No VT), screen utf-8 (No VT)
[debug] yt-dlp version stable@2023.03.04 [392389b7d] (win_exe)
[debug] Python 3.8.10 (CPython AMD64 64bit) - Windows-8.1-6.3.9600-SP0 (OpenSSL 1.1.1k  25 Mar 2021)
[debug] exe versions: ffmpeg N-109995-g358588c820-20230312 (setts), ffprobe N-109995-g358588c820-20230312
[debug] Optional libraries: Cryptodome-3.17, brotli-1.0.9, certifi-2022.12.07, mutagen-1.46.0, sqlite3-2.6.0, websockets-10.4
[debug] Proxy map: {}
[debug] Loaded 1786 extractors
[debug] Fetching release info: https://api.github.com/repos/yt-dlp/yt-dlp/releases/latest
Available version: stable@2023.03.04, Current version: stable@2023.03.04
Current Build Hash: 5590c57bd0433ed239a2deaaf92e2ad6f37fe50f53664c821575cafe106a9421
yt-dlp is up to date (stable@2023.03.04)
[generic] Extracting URL: https://memobase.ch/de/object/zem-001-F_20_d_f_i_Expo
[generic] zem-001-F_20_d_f_i_Expo: Downloading webpage
WARNING: [generic] Falling back on generic information extractor
[generic] zem-001-F_20_d_f_i_Expo: Extracting information
[debug] Looking for embeds
ERROR: Unsupported URL: https://memobase.ch/de/object/zem-001-F_20_d_f_i_Expo
Traceback (most recent call last):
  File "yt_dlp\YoutubeDL.py", line 1518, in wrapper
  File "yt_dlp\YoutubeDL.py", line 1594, in __extract_info
  File "yt_dlp\extractor\common.py", line 694, in extract
  File "yt_dlp\extractor\generic.py", line 2510, in _real_extract
yt_dlp.utils.UnsupportedError: Unsupported URL: https://memobase.ch/de/object/zem-001-F_20_d_f_i_Expo


# Using video URL from page source
[debug] Command-line config: ['-vU', '--ffmpeg-location', 'C:\\Program Files\\ffmpeg-master-latest-win64-gpl\\bin', 'https://media.memobase.k8s.unibas.ch/memo/zem-001-F_20_d_f_i_Expo-1']
[debug] Encodings: locale cp1252, fs utf-8, pref cp1252, out utf-8 (No VT), error utf-8 (No VT), screen utf-8 (No VT)
[debug] yt-dlp version stable@2023.03.04 [392389b7d] (win_exe)
[debug] Python 3.8.10 (CPython AMD64 64bit) - Windows-8.1-6.3.9600-SP0 (OpenSSL 1.1.1k  25 Mar 2021)
[debug] exe versions: ffmpeg N-109995-g358588c820-20230312 (setts), ffprobe N-109995-g358588c820-20230312
[debug] Optional libraries: Cryptodome-3.17, brotli-1.0.9, certifi-2022.12.07, mutagen-1.46.0, sqlite3-2.6.0, websockets-10.4
[debug] Proxy map: {}
[debug] Loaded 1786 extractors
[debug] Fetching release info: https://api.github.com/repos/yt-dlp/yt-dlp/releases/latest
Available version: stable@2023.03.04, Current version: stable@2023.03.04
Current Build Hash: 5590c57bd0433ed239a2deaaf92e2ad6f37fe50f53664c821575cafe106a9421
yt-dlp is up to date (stable@2023.03.04)
[generic] Extracting URL: https://media.memobase.k8s.unibas.ch/memo/zem-001-F_20_d_f_i_Expo-1
[generic] zem-001-F_20_d_f_i_Expo-1: Downloading webpage
[redirect] Following redirect to https://media.zem.ch/media/F20_Panorama_Zoom_MedEncod.m4v
[generic] Extracting URL: https://media.zem.ch/media/F20_Panorama_Zoom_MedEncod.m4v
[generic] F20_Panorama_Zoom_MedEncod: Downloading webpage
[debug] Identified a direct video link
[debug] Formats sorted by: hasvid, ie_pref, lang, quality, res, fps, hdr:12(7), vcodec:vp9.2(10), channels, acodec, filesize, fs_approx, tbr, vbr, abr, asr, proto, vext, aext, hasaud, source, id
[debug] Default format spec: bestvideo*+bestaudio/best
[info] F20_Panorama_Zoom_MedEncod: Downloading 1 format(s): x-m4v
[debug] Invoking http downloader on "https://media.zem.ch/media/F20_Panorama_Zoom_MedEncod.m4v"
[debug] File locking is not supported. Proceeding without locking
[download] Destination: F20_Panorama_Zoom_MedEncod [F20_Panorama_Zoom_MedEncod].m4v
[download]  67.5% of    1.48GiB at    1.89MiB/s ETA 04:20[download] Got error: Downloaded 1075720856 bytes, expected 1593126047 bytes. Retrying (1/10)...
[download] Destination: F20_Panorama_Zoom_MedEncod [F20_Panorama_Zoom_MedEncod].m4v
[download] 100% of    1.48GiB in 00:15:00 at 1.69MiB/s
```