Merge pull request #15 from richardletshacks/main

add basic ffmpeg progress display

Code/AudioVideo/AvProcess.cs

@@ -6,7 +6,9 @@ using System.Diagnostics;
 using System.IO;
 using System.Linq;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Threading.Tasks;
+using Flowframes.MiscUtils;
 
 namespace Flowframes
 {
@@ -65,6 +67,13 @@ namespace Flowframes
 
             if (line.Contains("No NVENC capable devices found"))
                 Interpolate.Cancel($"FFmpeg Error: {line}\nMake sure you have an NVENC-capable Nvidia GPU.");
+
+            if (line.Contains("time=") && !hidden)
+            {
+                Regex timeRegex = new Regex("(?<=time=).*(?= )");
+                String timestamp = timeRegex.Match(line).Value;
+                UpdateFfmpegProgress(timeRegex.Match(line).Value);
+            }
         }
 
         static void FfmpegOutputHandlerSilent (object sendingProcess, DataReceivedEventArgs outLine)
@@ -145,6 +154,16 @@ namespace Flowframes
             return output;
         }
 
+        public static void UpdateFfmpegProgress(String ffmpegTime)
+        {
+            long total = Program.mainForm.currInDuration / 100;
+            if (total == 0) return;
+            long current = FormatUtils.MsFromTimestamp(ffmpegTime);
+            int progress = Convert.ToInt32(current / total);
+            Program.mainForm.SetProgress(progress);
+        }
+
+
         public static async Task RunGifski(string args, LogMode logMode)
         {
             lastOutputGifski = "";

Code/AudioVideo/FFmpegCommands.cs

@@ -348,6 +348,15 @@ namespace Flowframes
             }
         }
 
+        public static long GetDuration(string inputFile)
+        {
+            Logger.Log("Reading Duration using ffprobe.", true, false, "ffprobe");
+            string args = $" -v panic -select_streams v:0 -show_entries format=duration -of csv=s=x:p=0 -sexagesimal {inputFile.Wrap()}";
+            string info = AvProcess.GetFfprobeOutput(args);
+            return FormatUtils.MsFromTimestamp(info);
+            return -1;
+        }
+
         public static float GetFramerate(string inputFile)
         {
             Logger.Log("Reading FPS using ffmpeg.", true, false, "ffmpeg");

Code/Form1.cs

@@ -15,6 +15,7 @@ using HTAlt.WinForms;
 using Flowframes.Data;
 using Microsoft.WindowsAPICodePack.Taskbar;
 using System.Threading.Tasks;
+using Flowframes.MiscUtils;
 
 namespace Flowframes
 {
@@ -119,11 +120,13 @@ namespace Flowframes
         public Size currInRes;
         public float currInFps;
         public int currInFrames;
+        public long currInDuration;
         public void UpdateInputInfo ()
         {
             string str = $"Resolution: {(!currInRes.IsEmpty ? $"{currInRes.Width}x{currInRes.Height}" : "Unknown")} - ";
             str += $"Framerate: {(currInFps > 0f ? $"{currInFps.ToStringDot()} FPS" : "Unknown")} - ";
-            str += $"Frame Count: {(currInFrames > 0 ? $"{currInFrames} Frames" : "Unknown")}";
+            str += $"Frame Count: {(currInFrames > 0 ? $"{currInFrames} Frames" : "Unknown")} - ";
+            str += $"Duration: {(currInDuration > 0 ? $"{FormatUtils.MsToTimestamp(currInDuration)}" : "Unknown")}";
             inputInfo.Text = str;
         }
 
@@ -132,6 +135,7 @@ namespace Flowframes
             currInRes = new Size();
             currInFps = 0;
             currInFrames = 0;
+            currInDuration = 0;
         }
 
         void InitAis()

Code/Main/InterpolateUtils.cs

@@ -442,5 +442,10 @@ namespace Flowframes.Main
             foreach (string frame in sceneFramesToDelete)
                 IOUtils.TryDeleteIfExists(Path.Combine(sceneFramesPath, frame + ".png"));
         }
+
+        public static void UpdateVideoDuration(string path)
+        {
+            Program.mainForm.currInDuration = FFmpegCommands.GetDuration(path);
+        }
     }
 }

Code/MiscUtils/FormatUtils.cs

@@ -57,6 +57,22 @@ namespace Flowframes.MiscUtils
             return Time(elapsedMs);
         }
 
+        public static long MsFromTimestamp(String timestamp)
+        {
+            string[] values = timestamp.Split(':');
+            int hours = Int32.Parse(values[0]);
+            int minutes = Int32.Parse(values[1]);
+            int seconds = Int32.Parse(values[2].Split('.')[0]);
+            int milliseconds = Int32.Parse(values[2].Split('.')[1].Substring(0, 2)) * 10;
+            long ms = hours * 3600000 + minutes * 60000 + seconds * 1000 + milliseconds;
+            return ms;
+        }
+
+        public static String MsToTimestamp(long milliseconds)
+        {
+            return (new DateTime(1970, 1, 1)).AddMilliseconds(milliseconds).ToLongTimeString();
+        }
+
         public static string Ratio(long numFrom, long numTo)
         {
             float ratio = ((float)numTo / (float)numFrom) * 100f;

Code/UI/MainUiFunctions.cs

@@ -49,6 +49,7 @@ namespace Flowframes.UI
 
             Program.mainForm.currInFps = fps;
             Program.mainForm.currInFrames = frameCount;
+            InterpolateUtils.UpdateVideoDuration(path);
             Program.mainForm.UpdateInputInfo();
             CheckExistingFolder(path, outputTbox.Text.Trim());
             await Task.Delay(10);