Merge branch 'metadata-for-all' into 'develop'

Support metadata for video files too

See merge request pleroma/pleroma!3441
This commit is contained in:
feld 2021-06-08 20:30:55 +00:00
commit 1175023687
5 changed files with 57 additions and 4 deletions

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@ -18,7 +18,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
- MRF (`FollowBotPolicy`): New MRF Policy which makes a designated local Bot account attempt to follow all users in public Notes received by your instance. Users who require approving follower requests or have #nobot in their profile are excluded.
- Return OAuth token `id` (primary key) in POST `/oauth/token`.
- `AnalyzeMetadata` upload filter for extracting attachment dimensions and generating blurhashes.
- `AnalyzeMetadata` upload filter for extracting image/video attachment dimensions and generating blurhashes for images. Blurhashes for videos are not generated at this time.
- Attachment dimensions and blurhashes are federated when available.
- Pinned posts federation

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@ -168,7 +168,8 @@ defmodule Pleroma.ApplicationRequirements do
check_filter(Pleroma.Upload.Filter.Mogrify, "mogrify"),
check_filter(Pleroma.Upload.Filter.Mogrifun, "mogrify"),
check_filter(Pleroma.Upload.Filter.AnalyzeMetadata, "mogrify"),
check_filter(Pleroma.Upload.Filter.AnalyzeMetadata, "convert")
check_filter(Pleroma.Upload.Filter.AnalyzeMetadata, "convert"),
check_filter(Pleroma.Upload.Filter.AnalyzeMetadata, "ffprobe")
]
preview_proxy_commands_status =

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@ -33,6 +33,23 @@ defmodule Pleroma.Upload.Filter.AnalyzeMetadata do
end
end
def filter(%Pleroma.Upload{tempfile: file, content_type: "video" <> _} = upload) do
try do
result = media_dimensions(file)
upload =
upload
|> Map.put(:width, result.width)
|> Map.put(:height, result.height)
{:ok, :filtered, upload}
rescue
e in ErlangError ->
Logger.warn("#{__MODULE__}: #{inspect(e)}")
{:ok, :noop}
end
end
def filter(_), do: {:ok, :noop}
defp get_blurhash(file) do
@ -42,4 +59,25 @@ defmodule Pleroma.Upload.Filter.AnalyzeMetadata do
_ -> nil
end
end
defp media_dimensions(file) do
with executable when is_binary(executable) <- System.find_executable("ffprobe"),
args = [
"-v",
"error",
"-show_entries",
"stream=width,height",
"-of",
"csv=p=0:s=x",
file
],
{result, 0} <- System.cmd(executable, args),
[width, height] <-
String.split(String.trim(result), "x") |> Enum.map(&String.to_integer(&1)) do
%{width: width, height: height}
else
nil -> {:error, {:ffprobe, :command_not_found}}
{:error, _} = error -> error
end
end
end

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test/fixtures/video.mp4 vendored Normal file

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@ -6,7 +6,7 @@ defmodule Pleroma.Upload.Filter.AnalyzeMetadataTest do
use Pleroma.DataCase, async: true
alias Pleroma.Upload.Filter.AnalyzeMetadata
test "adds the image dimensions" do
test "adds the dimensions and blurhash for images" do
upload = %Pleroma.Upload{
name: "an… image.jpg",
content_type: "image/jpeg",
@ -14,6 +14,20 @@ defmodule Pleroma.Upload.Filter.AnalyzeMetadataTest do
tempfile: Path.absname("test/fixtures/image.jpg")
}
assert {:ok, :filtered, %{width: 1024, height: 768}} = AnalyzeMetadata.filter(upload)
{:ok, :filtered, meta} = AnalyzeMetadata.filter(upload)
assert %{width: 1024, height: 768} = meta
assert meta.blurhash
end
test "adds the dimensions for videos" do
upload = %Pleroma.Upload{
name: "coolvideo.mp4",
content_type: "video/mp4",
path: Path.absname("test/fixtures/video.mp4"),
tempfile: Path.absname("test/fixtures/video.mp4")
}
assert {:ok, :filtered, %{width: 480, height: 480}} = AnalyzeMetadata.filter(upload)
end
end