private void TrySetMediaInfo(string filePath) { try { MI = new MediaInfoLib.MediaInfo(); #region Media Info Init FileStream From = new FileStream(filePath, FileMode.Open, FileAccess.Read); //From: preparing a memory buffer for reading byte[] From_Buffer = new byte[64 * 1024]; int From_Buffer_Size; //The size of the read file buffer //Preparing to fill MediaInfo with a buffer MI.Open_Buffer_Init(From.Length, 0); //The parsing loop do { //Reading data somewhere, do what you want for this. From_Buffer_Size = From.Read(From_Buffer, 0, 64 * 1024); //Sending the buffer to MediaInfo System.Runtime.InteropServices.GCHandle GC = System.Runtime.InteropServices.GCHandle.Alloc(From_Buffer, System.Runtime.InteropServices.GCHandleType.Pinned); IntPtr From_Buffer_IntPtr = GC.AddrOfPinnedObject(); Status Result = (Status)MI.Open_Buffer_Continue(From_Buffer_IntPtr, (IntPtr)From_Buffer_Size); GC.Free(); if ((Result & Status.Finalized) == Status.Finalized) { break; } //Testing if MediaInfo request to go elsewhere if (MI.Open_Buffer_Continue_GoTo_Get() != -1) { Int64 Position = From.Seek(MI.Open_Buffer_Continue_GoTo_Get(), SeekOrigin.Begin); //Position the file MI.Open_Buffer_Init(From.Length, Position); //Informing MediaInfo we have seek } }while (From_Buffer_Size > 0); //Finalizing MI.Open_Buffer_Finalize(); //This is the end of the stream, MediaInfo must finnish some work #endregion } catch (Exception ex) { var c = ex.Message; } }
private static string ReadMediaInfo() { //Initilaizing MediaInfo MediaInfoLib.MediaInfo MI = new MediaInfoLib.MediaInfo(); //From: preparing an example file for reading FileStream From = new FileStream(@"d:\temp\test.mp4", FileMode.Open, FileAccess.Read); //From: preparing a memory buffer for reading byte[] From_Buffer = new byte[64 * 1024]; int From_Buffer_Size; //The size of the read file buffer //Preparing to fill MediaInfo with a buffer MI.Open_Buffer_Init(From.Length, 0); //The parsing loop do { //Reading data somewhere, do what you want for this. From_Buffer_Size = From.Read(From_Buffer, 0, 64 * 1024); //Sending the buffer to MediaInfo System.Runtime.InteropServices.GCHandle GC = System.Runtime.InteropServices.GCHandle.Alloc(From_Buffer, System.Runtime.InteropServices.GCHandleType.Pinned); IntPtr From_Buffer_IntPtr = GC.AddrOfPinnedObject(); Status Result = (Status)MI.Open_Buffer_Continue(From_Buffer_IntPtr, (IntPtr)From_Buffer_Size); GC.Free(); if ((Result & Status.Finalized) == Status.Finalized) { break; } //Testing if MediaInfo request to go elsewhere if (MI.Open_Buffer_Continue_GoTo_Get() != -1) { Int64 Position = From.Seek(MI.Open_Buffer_Continue_GoTo_Get(), SeekOrigin.Begin); //Position the file MI.Open_Buffer_Init(From.Length, Position); //Informing MediaInfo we have seek } }while (From_Buffer_Size > 0); //Finalizing MI.Open_Buffer_Finalize(); //This is the end of the stream, MediaInfo must finnish some work //Get() example return("Container format is " + MI.Get(MediaInfoLib.StreamKind.General, 0, "Format")); }