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>
This commit is contained in:
Gabe Kangas
2021-04-15 13:55:51 -07:00
committed by GitHub
parent 7dec4fe063
commit 5214d81264
21 changed files with 845 additions and 180 deletions

View File

@@ -438,26 +438,6 @@ func SetStreamOutputVariants(w http.ResponseWriter, r *http.Request) {
return
}
// Temporary: Convert the cpuUsageLevel to a preset. In the future we will have
// different codec models that will handle this for us and we won't
// be keeping track of presets at all. But for now...
presetMapping := []string{
"ultrafast",
"superfast",
"veryfast",
"faster",
"fast",
}
for i, variant := range videoVariants.Value {
preset := "superfast"
if variant.CPUUsageLevel > 0 && variant.CPUUsageLevel <= len(presetMapping) {
preset = presetMapping[variant.CPUUsageLevel-1]
}
variant.EncoderPreset = preset
videoVariants.Value[i] = variant
}
if err := data.SetStreamOutputVariants(videoVariants.Value); err != nil {
controllers.WriteSimpleResponse(w, false, "unable to update video config with provided values "+err.Error())
return
@@ -508,6 +488,26 @@ func SetChatDisabled(w http.ResponseWriter, r *http.Request) {
controllers.WriteSimpleResponse(w, true, "chat disabled status updated")
}
// SetVideoCodec will change the codec used for video encoding.
func SetVideoCodec(w http.ResponseWriter, r *http.Request) {
if !requirePOST(w, r) {
return
}
configValue, success := getValueFromRequest(w, r)
if !success {
controllers.WriteSimpleResponse(w, false, "unable to change video codec")
return
}
if err := data.SetVideoCodec(configValue.Value.(string)); err != nil {
controllers.WriteSimpleResponse(w, false, "unable to update codec")
return
}
controllers.WriteSimpleResponse(w, true, "video codec updated")
}
// SetExternalActions will set the 3rd party actions for the web interface.
func SetExternalActions(w http.ResponseWriter, r *http.Request) {
type externalActionsRequest struct {