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

* 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
This commit is contained in:
kim
2024-07-12 09:39:47 +00:00
committed by GitHub
parent 5bc567196b
commit cde2fb6244
376 changed files with 8026 additions and 54091 deletions

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# bounceback
An `io.ReadSeeker` and `io.WriteSeeker` that returns to the right place before
reading or writing. Useful when the same file resource is being reused for reads
or writes throughout that file.
# list_files
A recursive path walker that supports filters.
# seekable_buffer
A memory structure that satisfies `io.ReadWriteSeeker`.
# copy_bytes_between_positions
Given an `io.ReadWriteSeeker`, copy N bytes from one position to an earlier
position.
# read_counter, write_counter
Wrap `io.Reader` and `io.Writer` structs in order to report how many bytes were
transferred.
# readseekwritecloser
Provides the ReadWriteSeekCloser interface that combines a RWS and a Closer.
Also provides a no-op wrapper to augment a plain RWS with a closer.
# boundedreadwriteseek
Wraps a ReadWriteSeeker such that no seeks can be at an offset less than a
specific-offset.
# calculateseek
Provides a reusable function with which to calculate seek offsets.
# progress_wrapper
Provides `io.Reader` and `io.Writer` wrappers that also trigger callbacks after
each call. The reader wrapper also invokes the callback upon EOF.
# does_exist
Check whether a file/directory exists using a file-path.
# graceful_copy
Do a copy but correctly handle short-writes and reads that might return a non-
zero read count *and* EOF.
# readseeker_to_readerat
A wrapper that allows an `io.ReadSeeker` to be used as a `io.ReaderAt`.
# simplefileinfo
An implementation of `os.FileInfo` to support testing.