Optimize gc and add debugging

.vscode/launch.json

@@ -16,7 +16,7 @@
             "type": "go",
             "request": "attach",
             "mode": "local",
-            "processId": 958283
+            "processId": 3667371
         },
     ]
 }

cmd/fastgallery/main.go

@@ -733,6 +733,9 @@ func resizeFullsizeImage(source string, destination string) {
 func fullsizeImageWorker(wg *sync.WaitGroup, imageJobs chan job, progressBar *pb.ProgressBar) {
 	defer wg.Done()
 	for job := range imageJobs {
+		if optVerbose {
+			fmt.Fprintf(os.Stderr, "Creating full size image of %s\n", job.source)
+		}
 		resizeFullsizeImage(job.source, job.destination)
 		if !optDryRun {
 			progressBar.Increment()
@@ -746,12 +749,12 @@ func fullsizeImageWorker(wg *sync.WaitGroup, imageJobs chan job, progressBar *pb
 func fullsizeVideoWorker(wg *sync.WaitGroup, videoJobs chan job, progressBar *pb.ProgressBar) {
 	defer wg.Done()
 	for job := range videoJobs {
+		if optVerbose {
+			fmt.Fprintf(os.Stderr, "Creating full size video of %s\n", job.source)
+		}
 		resizeFullsizeVideo(job.source, job.destination)
 		if !optDryRun {
 			progressBar.Increment()
-			if optMemoryUse {
-				runtime.GC()
-			}
 		}
 	}
 }
@@ -785,6 +788,9 @@ func fullsizeCopyFile(source string, destination string, fullsizeImageJobs chan
 func thumbnailImageWorker(wg *sync.WaitGroup, thumbnailImageJobs chan job) {
 	defer wg.Done()
 	for job := range thumbnailImageJobs {
+		if optVerbose {
+			fmt.Fprintf(os.Stderr, "Creating thumbnail image of %s\n", job.source)
+		}
 		resizeThumbnailImage(job.source, job.destination)
 	}
 }
@@ -792,6 +798,9 @@ func thumbnailImageWorker(wg *sync.WaitGroup, thumbnailImageJobs chan job) {
 func thumbnailVideoWorker(wg *sync.WaitGroup, thumbnailVideoJobs chan job) {
 	defer wg.Done()
 	for job := range thumbnailVideoJobs {
+		if optVerbose {
+			fmt.Fprintf(os.Stderr, "Creating thumbnail video of %s\n", job.source)
+		}
 		resizeThumbnailVideo(job.source, job.destination)
 	}
 }

go.mod

@@ -4,7 +4,7 @@ go 1.15
 
 require (
 	github.com/cheggaaa/pb/v3 v3.0.5
-	github.com/davidbyttow/govips/v2 v2.2.0 // indirect
+	github.com/davidbyttow/govips/v2 v2.2.0
 	github.com/fatih/color v1.10.0 // indirect
 	github.com/mattn/go-runewidth v0.0.9 // indirect
 	github.com/stretchr/testify v1.6.1

go.sum

@@ -5,11 +5,6 @@ github.com/cheggaaa/pb/v3 v3.0.5/go.mod h1:X1L61/+36nz9bjIsrDU52qHKOQukUQe2Ge+Yv
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/davidbyttow/govips v0.0.0-20201026223743-b1b72c7305d9 h1:nXNjG6pGALu++DSxtrdO79AZhtU+jZnyMlq3FTkFH74=
-github.com/davidbyttow/govips/v2 v2.1.0 h1:n18SBq7dnjvW1+WKk65tnuF9IBaA4A1YHYrQ1iKZ28g=
-github.com/davidbyttow/govips/v2 v2.1.0/go.mod h1:goq38QD8XEMz2aWEeucEZqRxAWsemIN40vbUqfPfTAw=
-github.com/davidbyttow/govips/v2 v2.1.1-0.20201213191833-b69d46af32bb h1:SbICNpa72dhbQaJ+R5yYLGjbpEXU0RE5puO8qa+muag=
-github.com/davidbyttow/govips/v2 v2.1.1-0.20201213191833-b69d46af32bb/go.mod h1:goq38QD8XEMz2aWEeucEZqRxAWsemIN40vbUqfPfTAw=
 github.com/davidbyttow/govips/v2 v2.2.0 h1:O21ykVQNJ7LYxpa7yG6TN2g2VF/WonOksljCD2jQK4o=
 github.com/davidbyttow/govips/v2 v2.2.0/go.mod h1:goq38QD8XEMz2aWEeucEZqRxAWsemIN40vbUqfPfTAw=
 github.com/fatih/color v1.7.0 h1:DkWD4oS2D8LGGgTQ6IvwJJXSL5Vp2ffcQg58nFV38Ys=