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@Friendica Support

Hi there,
testing around with the software #castopod, developed by @Castopod :podcasting2: .

In general terms federation with #friendica works, even integration into public forum pages and reshare by those when the castopod profile is followed by the forum page in the first place, as tested with the forum page @podCasts. As of now following from castopod profiles apparently isn't implemented. Also as of now we didn't manage to get the cron job to work at that new instalation on a shared hosting.

What is strange is that a podcast episode publication doesn't embeed the audio player so it can't be reproduced inside the post shown over here on friendica. On mastodon this works, the post displayes a video like screen and reproduces the audio file.

Not sure if this is a specific issue of this friendica instance as it is stil 2023.05 or if this is something the latest versions experience to.

The uploaded audio file was in the format m4a.

This is the link to the original post:
cast.tupambae.com/@bitPickup/p…

Link to a mastodon instance where the post can be seen:
troet.cafe/@bitpickup/11387501…

Link to this site here where the audio is not displayed but only a link:
tupambae.org/display/db58d9ad-…

#friendica #CastoPod @Friendica Support @Castopod :podcasting2: @podCasts
in reply to utopiArte

…ᘛ⁐̤ᕐᐷ jesuisatire bitPickup
…ᘛ⁐̤ᕐᐷ jesuisatire bitPickup
• •

Over here on friendica 2024.12 the audio isn't displayed either.

I had expected that this would be some kind of activityPub convention of transmitting information about if a video or audio format is part of the content.

If I'm not wrong, when posting a mp3 URL like the following, the audio player is displayed right away:
media.tupambae.com/audio/bauhe…
(well, in the preview that's not the case)

in reply to utopiArte

mʕ•ﻌ•ʔm bitPickup
mʕ•ﻌ•ʔm bitPickup
• •

The views on mastodon of the ways the audio posts are displayed.
The orginal #castopod #podcast publication shows up in the preview as a video with the general podcast cover. If the play button is selected, the window changes into a audio replay option window. No download option,
@bitPickup@cast.tupambae.com itself is set as "prevent copy".
The MP3 audio URL posted in [audio] BBCode brackets by @utopiarte
shows up as a different (black) audio file reproduction window. A download option is displayed.

@Castopod

Screen of the castopod episode as displayed by mastodon.
Screen of the castopod episode as displayed by mastodon after selecting the play button.
Screen of the audio mp3 URL link posted in BBCode brackets from friendica as seen from mastodon.
#Podcast #CastoPod @Castopod :podcasting2: @utopiArte @bitPickup
in reply to utopiArte

Fabio
Fabio
•

@utopiArte @Castopod :podcasting2:
The post from castopod is encoded as a "Note" ActivityStream object:

{
    "@context": "https://www.w3.org/ns/activitystreams",
    "attributedTo": "https://cast.tupambae.com/@bitPickup",
    "cc": [
        "https://cast.tupambae.com/@bitPickup/followers"
    ],
    "content": "<a href=\"https://cast.tupambae.com/@bitPickup/episodes/cc0-nc\">CC0-NC</a><br/>Moin, moin.\r<br />\r<br />Hier ein erster Vorgeschmack.",
    "id": "https://cast.tupambae.com/@bitPickup/posts/d88b27ab-c8c2-461d-9ec6-ac684af2908f",
    "published": "2025-01-22T04:00:01+00:00",
    "replies": "https://cast.tupambae.com/@bitPickup/posts/d88b27ab-c8c2-461d-9ec6-ac684af2908f/replies",
    "to": [
        "https://www.w3.org/ns/activitystreams#Public"
    ],
    "type": "Note"
}

there is no indication of something that should be played, there is only the link in the text content.
Now, mastodon get the first link it find in post and try tho show a preview, I think using OpenGraph.
Friendica sometimes does it also, I don't know the details and I don't know why it doesn't show a preview for this. I'm pretty sure that it will not show a player anyway.

The point is: there is nothing in that Note object which says "it's a podcast". It's just a note that an episode is published, with a link to it. The fact that mastodon show the player is unrelated from the fact that the note links to a podcast. I'm sure the fact the link is the first thing in the note is a deliberated choice by castopod devs, to take advantage of Mastodon's behavior

I had expected that this would be some kind of activityPub convention of transmitting information about if a video or audio format is part of the content.


Yes there is: attachment property. But then Friendica will shows attachments as icons at the end of the post. Still without a player.

Castopod devs chose to create their ActivityStream object of type 'PodcastEpisode', which you can get requesting the AS version of the episode page

$ curl -s -H Accept:application/activity+json https://cast.tupambae.com/@bitPickup/episodes/cc0-nc | jq .
{
  "@context": "https://www.w3.org/ns/activitystreams",
  "id": "https://cast.tupambae.com/@bitPickup/episodes/cc0-nc",
  "type": "PodcastEpisode",
  "published": "2025-01-22T04:00:01+00:00",
  "to": [
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "cc": [
    "https://cast.tupambae.com/@bitPickup/followers"
  ],
  "attributedTo": "https://cast.tupambae.com/@bitPickup",
  "comments": "https://cast.tupambae.com/@bitPickup/episodes/cc0-nc/comments",
  "description": {
    "type": "Note",
    "mediaType": "text/markdown",
    "content": "The basics",
    "contentMap": {
      "en": "<p>The basics</p>\n<footer><p><a href=\"https://troet.cafe/@bitpickup\">bitPickup contact</a> in the fediVerse</p>\n</footer>"
    }
  },
  "image": {
    "type": "Image",
    "mediaType": "image/png",
    "url": "https://cast.tupambae.com/media/podcasts/bitPickup/cover_feed.png"
  },
  "audio": {
    "id": "https://cast.tupambae.com/audio/@bitPickup/cc0-nc.m4a",
    "type": "Audio",
    "name": "CC0-NC",
    "size": 161445,
    "duration": 7.808,
    "url": {
      "href": "https://cast.tupambae.com/audio/@bitPickup/cc0-nc.m4a",
      "type": "Link",
      "mediaType": "audio/mp4"
    }
  }
}

But this is not a standard object, and Friendica (and I think many other services) does not know how to display it, failing back to render the "content", losing the link to the audio file.

A note with a link is a reasonable way to post something understandable by everyone.

@Castopod :podcasting2: @utopiArte

reshared this

in reply to Fabio

Fabio
Fabio
•

@Castopod :podcasting2: @utopiArte Mh, quick correction. if the link to the audio file is in an "attachment" property, friendica will show the player. Just as in this post

But from a semantic prospective (acting like I know what it means), the audio file is not attached to the note, but to the episode.

utopiArte

2025-01-23 18:50:49


Post of the audio MP3 URL link in BBCode audio brakets [audio][/audio]

@Castopod :podcasting2: @utopiArte

reshared this

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