Add mock show generator and timeline benchmark

cmd/qrunproxy/mockshow.go

@@ -0,0 +1,70 @@
+package main
+
+import "fmt"
+
+func GenerateMockShow(numTracks, numCues, numBlocks int) *Show {
+	show := &Show{}
+
+	for i := range numTracks {
+		show.Tracks = append(show.Tracks, &Track{
+			ID:   fmt.Sprintf("track_%d", i),
+			Name: fmt.Sprintf("Track %d", i),
+		})
+	}
+
+	for i := range numCues {
+		show.Blocks = append(show.Blocks, &Block{
+			ID:   fmt.Sprintf("cue_%d", i),
+			Type: "cue",
+			Name: fmt.Sprintf("Cue %d", i),
+		})
+	}
+
+	blocksByTrack := make([][]*Block, numTracks)
+	for i := range numBlocks {
+		trackIdx := i % numTracks
+		trackID := fmt.Sprintf("track_%d", trackIdx)
+		block := &Block{
+			ID:    fmt.Sprintf("block_%d_%d", trackIdx, len(blocksByTrack[trackIdx])),
+			Type:  "media",
+			Track: trackID,
+			Name:  fmt.Sprintf("Block %d-%d", trackIdx, len(blocksByTrack[trackIdx])),
+		}
+		show.Blocks = append(show.Blocks, block)
+		blocksByTrack[trackIdx] = append(blocksByTrack[trackIdx], block)
+	}
+
+	for trackIdx := range numTracks {
+		blocks := blocksByTrack[trackIdx]
+		for i := 1; i < len(blocks); i++ {
+			show.Triggers = append(show.Triggers, &Trigger{
+				Source:  TriggerSource{Block: blocks[i-1].ID, Signal: "END"},
+				Targets: []TriggerTarget{{Block: blocks[i].ID, Hook: "START"}},
+			})
+		}
+	}
+
+	headPerTrack := make([]int, numTracks)
+	for i := range numCues {
+		cue := show.Blocks[i]
+		targets := []TriggerTarget{}
+		for trackIdx := range numTracks {
+			if headPerTrack[trackIdx] >= len(blocksByTrack[trackIdx]) {
+				continue
+			}
+			block := blocksByTrack[trackIdx][headPerTrack[trackIdx]]
+			targets = append(targets, TriggerTarget{Block: block.ID, Hook: "START"})
+			depth := len(blocksByTrack[trackIdx]) - headPerTrack[trackIdx]
+			advance := max(depth/(numCues-i), 1)
+			headPerTrack[trackIdx] += advance
+		}
+		if len(targets) > 0 {
+			show.Triggers = append(show.Triggers, &Trigger{
+				Source:  TriggerSource{Block: cue.ID, Signal: "GO"},
+				Targets: targets,
+			})
+		}
+	}
+
+	return show
+}