Codec selection (#892)

* Query for installed codecs

* Start modeling out codecs

* Can now specify a codec and get the correct settings returned from the model

* Return codecs in admin/serverconfig

* Start handling transcoding errors and return messages to user

* filter available codecs against a whitelist

* Fix merge

* Codecs are working

* Switching between codecs work

* Add apis for setting a custom video codec

* Cleanup the logging of transcoder errors

* Add v4l codec

* Add fetching v4l

* Add support for per-codec presets

* Use updated nvenc encoding parameters

* Update log message

* Some more codec WIP

* Turn off v4l. It is a mess.

* Try to make the lowest latency level a bit more playable

* Use a human redable display name in console messages

* Turn on transcoder persistent connections

* Add more codec-related user-facing error messages

* Give the initial offline state transcoder an id

* Force a minimum segment count of 3

* Disable qsv for now. set x264 specific params in VariantFlags

* Close body in case

* Ignore vbv underflow message, it is not actionable

* Determine a dynamic gop value based on the length of segments

* Add codec-specific tests

* Cleanup

* Ignore goconst lint warnings in codec file

* Troubleshoot omx

* Add more codec tests

* Remove no longer accurate comment

* Bundle admin from codec branch

* Revert back to old setting

* Cleanup list of codecs a bit

* Remove old references to the encoder preset

* Commit updated API documentation

* Update admin bundle

* Commit updated API documentation

* Add codec setting to api spec

* Commit updated API documentation

Co-authored-by: Owncast <owncast@owncast.online>

core/transcoder/fileWriterReceiverService.go

@@ -62,6 +62,8 @@ func (s *FileWriterReceiverService) uploadHandler(w http.ResponseWriter, r *http
 	writePath := filepath.Join(config.PrivateHLSStoragePath, path)
 
 	var buf bytes.Buffer
+	defer r.Body.Close()
+
 	_, _ = io.Copy(&buf, r.Body)
 	data := buf.Bytes()