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			88 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			88 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
package admin
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import (
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	"encoding/json"
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	"net/http"
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	"github.com/owncast/owncast/core"
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	"github.com/owncast/owncast/core/data"
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	"github.com/owncast/owncast/metrics"
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	log "github.com/sirupsen/logrus"
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)
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// GetVideoPlaybackMetrics returns video playback metrics.
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func GetVideoPlaybackMetrics(w http.ResponseWriter, r *http.Request) {
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	type response struct {
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		Errors                []metrics.TimestampedValue `json:"errors"`
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		QualityVariantChanges []metrics.TimestampedValue `json:"qualityVariantChanges"`
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		HighestLatency []metrics.TimestampedValue `json:"highestLatency"`
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		MedianLatency  []metrics.TimestampedValue `json:"medianLatency"`
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		LowestLatency  []metrics.TimestampedValue `json:"lowestLatency"`
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		MedianDownloadDuration  []metrics.TimestampedValue `json:"medianSegmentDownloadDuration"`
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		MaximumDownloadDuration []metrics.TimestampedValue `json:"maximumSegmentDownloadDuration"`
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		MinimumDownloadDuration []metrics.TimestampedValue `json:"minimumSegmentDownloadDuration"`
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		SlowestDownloadRate  []metrics.TimestampedValue `json:"minPlayerBitrate"`
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		MedianDownloadRate   []metrics.TimestampedValue `json:"medianPlayerBitrate"`
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		HighestDownloadRater []metrics.TimestampedValue `json:"maxPlayerBitrate"`
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		AvailableBitrates    []int                      `json:"availableBitrates"`
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		SegmentLength        int                        `json:"segmentLength"`
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		Representation       int                        `json:"representation"`
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	}
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	availableBitrates := []int{}
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	var segmentLength int
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	if core.GetCurrentBroadcast() != nil {
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		segmentLength = core.GetCurrentBroadcast().LatencyLevel.SecondsPerSegment
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		for _, variants := range core.GetCurrentBroadcast().OutputSettings {
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			availableBitrates = append(availableBitrates, variants.VideoBitrate)
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		}
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	} else {
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		segmentLength = data.GetStreamLatencyLevel().SecondsPerSegment
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		for _, variants := range data.GetStreamOutputVariants() {
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			availableBitrates = append(availableBitrates, variants.VideoBitrate)
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		}
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	}
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	errors := metrics.GetPlaybackErrorCountOverTime()
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	medianLatency := metrics.GetMedianLatencyOverTime()
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	minimumLatency := metrics.GetMinimumLatencyOverTime()
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	maximumLatency := metrics.GetMaximumLatencyOverTime()
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	medianDurations := metrics.GetMedianDownloadDurationsOverTime()
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	maximumDurations := metrics.GetMaximumDownloadDurationsOverTime()
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	minimumDurations := metrics.GetMinimumDownloadDurationsOverTime()
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	minPlayerBitrate := metrics.GetSlowestDownloadRateOverTime()
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	medianPlayerBitrate := metrics.GetMedianDownloadRateOverTime()
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	maxPlayerBitrate := metrics.GetMaxDownloadRateOverTime()
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	qualityVariantChanges := metrics.GetQualityVariantChangesOverTime()
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	representation := metrics.GetPlaybackMetricsRepresentation()
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	resp := response{
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		AvailableBitrates:       availableBitrates,
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		Errors:                  errors,
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		MedianLatency:           medianLatency,
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		HighestLatency:          maximumLatency,
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		LowestLatency:           minimumLatency,
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		SegmentLength:           segmentLength,
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		MedianDownloadDuration:  medianDurations,
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		MaximumDownloadDuration: maximumDurations,
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		MinimumDownloadDuration: minimumDurations,
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		SlowestDownloadRate:     minPlayerBitrate,
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		MedianDownloadRate:      medianPlayerBitrate,
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		HighestDownloadRater:    maxPlayerBitrate,
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		QualityVariantChanges:   qualityVariantChanges,
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		Representation:          representation,
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	}
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	w.Header().Set("Content-Type", "application/json")
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	err := json.NewEncoder(w).Encode(resp)
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	if err != nil {
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		log.Errorln(err)
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	}
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}
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