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Codec selection (#892)

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* 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
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29
models/streamOutputVariant.go
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@@ -25,8 +25,7 @@ type StreamOutputVariant struct {
ScaledWidth int `yaml:"scaledWidth" json:"scaledWidth,omitempty"`
ScaledHeight int `yaml:"scaledHeight" json:"scaledHeight,omitempty"`
Framerate int `yaml:"framerate" json:"framerate"`
EncoderPreset string `yaml:"encoderPreset" json:"encoderPreset"` // Remove after migration is no longer used
Framerate int `yaml:"framerate" json:"framerate"`
// CPUUsageLevel represents a codec preset to configure CPU usage.
CPUUsageLevel int `json:"cpuUsageLevel"`
}
@@ -44,32 +43,6 @@ func (q *StreamOutputVariant) GetFramerate() int {
return 24
}
// GetEncoderPreset returns the preset or default.
func (q *StreamOutputVariant) GetEncoderPreset() string {
if q.IsVideoPassthrough {
return ""
}
if q.EncoderPreset != "" {
return q.EncoderPreset
}
return "veryfast"
}
// GetCPUUsageLevel will return the libx264 codec encoder preset that maps to a level.
func (q *StreamOutputVariant) GetCPUUsageLevel() int {
presetMapping := map[string]int{
"ultrafast": 1,
"superfast": 2,
"veryfast": 3,
"faster": 4,
"fast": 5,
}
return presetMapping[q.GetEncoderPreset()]
}
// GetIsAudioPassthrough will return if this variant audio is passthrough.
func (q *StreamOutputVariant) GetIsAudioPassthrough() bool {
if q.IsAudioPassthrough {