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[feature] support processing of (many) more media types (#3090)

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* initial work replacing our media decoding / encoding pipeline with ffprobe + ffmpeg

* specify the video codec to use when generating static image from emoji

* update go-storage library (fixes incompatibility after updating go-iotools)

* maintain image aspect ratio when generating a thumbnail for it

* update readme to show go-ffmpreg

* fix a bunch of media tests, move filesize checking to callers of media manager for more flexibility

* remove extra debug from error message

* fix up incorrect function signatures

* update PutFile to just use regular file copy, as changes are file is on separate partition

* fix remaining tests, remove some unneeded tests now we're working with ffmpeg/ffprobe

* update more tests, add more code comments

* add utilities to generate processed emoji / media outputs

* fix remaining tests

* add test for opus media file, add license header to utility cmds

* limit the number of concurrently available ffmpeg / ffprobe instances

* reduce number of instances

* further reduce number of instances

* fix envparsing test with configuration variables

* update docs and configuration with new media-{local,remote}-max-size variables
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kim 2024-07-12 09:39:47 +00:00 • committed by GitHub
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13
internal/api/client/media/mediacreate.go
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@ -153,22 +153,9 @@ func validateCreateMedia(form *apimodel.AttachmentRequest) error {
return errors.New("no attachment given")
}
maxVideoSize := config.GetMediaVideoMaxSize()
maxImageSize := config.GetMediaImageMaxSize()
minDescriptionChars := config.GetMediaDescriptionMinChars()
maxDescriptionChars := config.GetMediaDescriptionMaxChars()
// a very superficial check to see if no size limits are exceeded
// we still don't actually know which media types we're dealing with but the other handlers will go into more detail there
maxSize := maxVideoSize
if maxImageSize > maxSize {
maxSize = maxImageSize
}
if form.File.Size > int64(maxSize) {
return fmt.Errorf("file size limit exceeded: limit is %d bytes but attachment was %d bytes", maxSize, form.File.Size)
}
if length := len([]rune(form.Description)); length > maxDescriptionChars {
return fmt.Errorf("image description length must be between %d and %d characters (inclusive), but provided image description was %d chars", minDescriptionChars, maxDescriptionChars, length)
}