Initial commit — M3U playlist tool with MP3/AAC encoding

2026-05-10 03:02:53 +00:00
commit b14531362b
114 changed files with 14184 additions and 0 deletions
@@ -0,0 +1,55 @@
+using System.ComponentModel;
+using System.Runtime.InteropServices;
+using System.Threading;
+
+namespace Win32
+{
+    internal class HiPerfTimer
+    {
+        private readonly long freq;
+        private long startTime, stopTime;
+
+        // Constructor
+        public HiPerfTimer()
+        {
+            startTime = 0;
+            stopTime = 0;
+
+            if (QueryPerformanceFrequency(out freq) == false)
+            {
+                // high-performance counter not supported
+                throw new Win32Exception();
+            }
+        }
+
+        public double Duration
+        {
+            get { return (stopTime - startTime)/(double) freq; }
+        }
+
+        [DllImport("Kernel32.dll")]
+        private static extern bool QueryPerformanceCounter(
+            out long lpPerformanceCount);
+
+        [DllImport("Kernel32.dll")]
+        private static extern bool QueryPerformanceFrequency(
+            out long lpFrequency);
+
+        // Start the timer
+        public void Start()
+        {
+            // lets do the waiting threads there work
+            Thread.Sleep(0);
+
+            QueryPerformanceCounter(out startTime);
+        }
+
+        // Stop the timer
+        public void Stop()
+        {
+            QueryPerformanceCounter(out stopTime);
+        }
+
+        // Returns the duration of the timer (in seconds)
+    }
+}