Code refactoring for app module

internal/ffmpeg/ffmpeg.go

@@ -14,6 +14,7 @@ import (
 	"github.com/AlexxIT/go2rtc/internal/streams"
 	"github.com/AlexxIT/go2rtc/pkg/core"
 	"github.com/AlexxIT/go2rtc/pkg/ffmpeg"
+	"github.com/rs/zerolog"
 )
 
 func Init() {
@@ -29,6 +30,8 @@ func Init() {
 
 	app.LoadConfig(&cfg)
 
+	log = app.GetLogger("ffmpeg")
+
 	// zerolog levels: trace debug         info warn    error fatal panic disabled
 	// FFmpeg  levels: trace debug verbose info warning error fatal panic quiet
 	if cfg.Log.Level == "warn" {
@@ -145,6 +148,8 @@ var defaults = map[string]string{
 	"h265/videotoolbox": "-c:v hevc_videotoolbox -g 50 -bf 0 -profile:v main -level:v 5.1",
 }
 
+var log zerolog.Logger
+
 // configTemplate - return template from config (defaults) if exist or return raw template
 func configTemplate(template string) string {
 	if s := defaults[template]; s != "" {