A small tool to view real-world ActivityPub objects as JSON! Enter a URL
or username from Mastodon or a similar service below, and we'll send a
request with
the right
Accept
header
to the server to view the underlying object.
{
"@context": [
"https://www.w3.org/ns/activitystreams",
{
"ostatus": "http://ostatus.org#",
"atomUri": "ostatus:atomUri",
"inReplyToAtomUri": "ostatus:inReplyToAtomUri",
"conversation": "ostatus:conversation",
"sensitive": "as:sensitive",
"toot": "http://joinmastodon.org/ns#",
"votersCount": "toot:votersCount",
"Hashtag": "as:Hashtag"
}
],
"id": "https://mastodon.social/users/rmader/statuses/114053188743283195",
"type": "Note",
"summary": null,
"inReplyTo": null,
"published": "2025-02-23T12:25:48Z",
"url": "https://mastodon.social/@rmader/114053188743283195",
"attributedTo": "https://mastodon.social/users/rmader",
"to": [
"https://www.w3.org/ns/activitystreams#Public"
],
"cc": [
"https://mastodon.social/users/rmader/followers"
],
"sensitive": false,
"atomUri": "https://mastodon.social/users/rmader/statuses/114053188743283195",
"inReplyToAtomUri": null,
"conversation": "tag:mastodon.social,2025-02-23:objectId=928750849:objectType=Conversation",
"content": "<p>For video/multimedia/graphics on <a href=\"https://mastodon.social/tags/linux\" class=\"mention hashtag\" rel=\"tag\">#<span>linux</span></a> people: I made a PoC for gstreamer using udmabuf to allocate YCbCr buffers for sw-decoded video that can be imported by GPU drivers.<br />The basic idea is to allow to reuse the highly optimized hw-decoding dmabuf import paths in drivers/toolkits/apps for sw-decoding, so they can cover arbitrary new codecs and less usual formats - e.g. AV1 and H266 on hardware that doesn't have HW support or 422/444 subsampling.</p><p><a href=\"https://mastodon.social/tags/gstreamer\" class=\"mention hashtag\" rel=\"tag\">#<span>gstreamer</span></a> <a href=\"https://mastodon.social/tags/ffmpeg\" class=\"mention hashtag\" rel=\"tag\">#<span>ffmpeg</span></a> <a href=\"https://mastodon.social/tags/wayland\" class=\"mention hashtag\" rel=\"tag\">#<span>wayland</span></a> <a href=\"https://mastodon.social/tags/mesa\" class=\"mention hashtag\" rel=\"tag\">#<span>mesa</span></a></p>",
"contentMap": {
"en": "<p>For video/multimedia/graphics on <a href=\"https://mastodon.social/tags/linux\" class=\"mention hashtag\" rel=\"tag\">#<span>linux</span></a> people: I made a PoC for gstreamer using udmabuf to allocate YCbCr buffers for sw-decoded video that can be imported by GPU drivers.<br />The basic idea is to allow to reuse the highly optimized hw-decoding dmabuf import paths in drivers/toolkits/apps for sw-decoding, so they can cover arbitrary new codecs and less usual formats - e.g. AV1 and H266 on hardware that doesn't have HW support or 422/444 subsampling.</p><p><a href=\"https://mastodon.social/tags/gstreamer\" class=\"mention hashtag\" rel=\"tag\">#<span>gstreamer</span></a> <a href=\"https://mastodon.social/tags/ffmpeg\" class=\"mention hashtag\" rel=\"tag\">#<span>ffmpeg</span></a> <a href=\"https://mastodon.social/tags/wayland\" class=\"mention hashtag\" rel=\"tag\">#<span>wayland</span></a> <a href=\"https://mastodon.social/tags/mesa\" class=\"mention hashtag\" rel=\"tag\">#<span>mesa</span></a></p>"
},
"updated": "2025-02-23T13:12:33Z",
"attachment": [],
"tag": [
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/linux",
"name": "#linux"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/gstreamer",
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},
{
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"name": "#ffmpeg"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/wayland",
"name": "#wayland"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/mesa",
"name": "#mesa"
}
],
"replies": {
"id": "https://mastodon.social/users/rmader/statuses/114053188743283195/replies",
"type": "Collection",
"first": {
"type": "CollectionPage",
"next": "https://mastodon.social/users/rmader/statuses/114053188743283195/replies?min_id=114053190464524578&page=true",
"partOf": "https://mastodon.social/users/rmader/statuses/114053188743283195/replies",
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}
},
"likes": {
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"totalItems": 31
},
"shares": {
"id": "https://mastodon.social/users/rmader/statuses/114053188743283195/shares",
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}
}