From 79fa09bbfc6cb9e45cb0d3cb9b7f62b1c8ec2e1d Mon Sep 17 00:00:00 2001
From: Juris Bune <jbune@evolution.com>
Date: Tue, 7 Oct 2025 10:02:43 +0300
Subject: [PATCH 1/3] Add a sample config to enable phone model for VMAF

---
 example/ease_conf_phone_model.json | 3 +++
 1 file changed, 3 insertions(+)
 create mode 100644 example/ease_conf_phone_model.json

diff --git a/example/ease_conf_phone_model.json b/example/ease_conf_phone_model.json
new file mode 100644
index 0000000..453c785
--- /dev/null
+++ b/example/ease_conf_phone_model.json
@@ -0,0 +1,3 @@
+{
+  "ffmpeg_vmaf_template": "-hide_banner -i {{.CompressedFile}} -i {{.SourceFile}} -lavfi libvmaf=n_subsample=1:log_path={{.ResultFile}}:feature=name=psnr:log_fmt=json:model=version=vmaf_v0.6.1\\\\\\\\:enable_transform=true:n_threads={{.NThreads}} -f null -"
+}

From 213843eaa1dac5773ecf8664bb78feb6670b1e93 Mon Sep 17 00:00:00 2001
From: Juris Bune <jbune@evolution.com>
Date: Tue, 7 Oct 2025 11:30:38 +0300
Subject: [PATCH 2/3] Add example/README.md

---
 example/README.md | 6 ++++++
 1 file changed, 6 insertions(+)
 create mode 100644 example/README.md

diff --git a/example/README.md b/example/README.md
new file mode 100644
index 0000000..302825f
--- /dev/null
+++ b/example/README.md
@@ -0,0 +1,6 @@
+# Examples in this direcotry
+
+- [ease_conf_phone_model.json](./ease_conf_phone_model.json) is a sample configuration file to use in case one needs to predirct VMAF scores using "phone model" [1].
+
+
+[1]: https://github.com/Netflix/vmaf/blob/master/resource/doc/models.md#predict-quality-on-a-cellular-phone-screen 

From 8e171e116c4121d48d873a6f8e6114bbe11992ce Mon Sep 17 00:00:00 2001
From: Juris Bune <jbune@evolution.com>
Date: Tue, 7 Oct 2025 11:31:32 +0300
Subject: [PATCH 3/3] Minor chores

- fix golangci linter complaining about depreciations
- minor code modernisations suggested by linter
---
 .golangci.yaml      | 3 ++-
 bitrate.go          | 4 ++--
 internal/vqm/vqm.go | 6 +-----
 3 files changed, 5 insertions(+), 8 deletions(-)

diff --git a/.golangci.yaml b/.golangci.yaml
index 76e32cd..af4c9f9 100644
--- a/.golangci.yaml
+++ b/.golangci.yaml
@@ -46,6 +46,7 @@ linters:
     - typecheck
     - unused
     # Additional
+    - copyloopvar
     - dupl
     - errname
     - misspell
@@ -54,7 +55,7 @@ linters:
     - goimports
     - goheader
     - gosec
-    - exportloopref
     - ireturn
     - prealloc
     - reassign
+    - usestdlibvars
diff --git a/bitrate.go b/bitrate.go
index 1c9af4d..db54caf 100644
--- a/bitrate.go
+++ b/bitrate.go
@@ -147,8 +147,8 @@ func run(videoFile, plotFile, ffprobePath string) error {
 	}
 
 	canvases := plot.Align(plots, t, dc)
-	for j := 0; j < rows; j++ {
-		for i := 0; i < cols; i++ {
+	for j := range rows {
+		for i := range cols {
 			if plots[j][i] != nil {
 				plots[j][i].Draw(canvases[j][i])
 			}
diff --git a/internal/vqm/vqm.go b/internal/vqm/vqm.go
index f588b39..4453e0c 100644
--- a/internal/vqm/vqm.go
+++ b/internal/vqm/vqm.go
@@ -45,11 +45,7 @@ func NewFfmpegVMAF(cfg *FfmpegVMAFConfig, compressedFile, sourceFile string) (*F
 
 	// Too much CPU threads are also bad. This was an issue on 128 threaded AMD
 	// EPYC, ffmpeg was deadlocking at some point during VMAF calculations.
-	nThreads := 32
-
-	if runtime.NumCPU() < nThreads {
-		nThreads = runtime.NumCPU()
-	}
+	nThreads := min(runtime.NumCPU(), 32)
 
 	// Template requires a struct with exported fields.
 	tplContext := struct {