C#下调用vlc库做一个简单播放器C#下调用vlc调做一调调播放器个第一步,调建一个C#工程。
在Form1中拖一个2个plane;上下布局,、label、tex t、2个button控件。
第二步,把vlc的plugins文件调和libvlccore.dlllibvlc.dll放入DEBUG文件调。
内第三步,调代调～把下面的代调调制到写Form1调中。
public partial class Form1 : Form{public Form1(){InitializeComponent();}//造常调的调构异构体class MediaException{public struct ExceptionStruct{private int raised;private int code;private string message;}}//造构Corehandle调class CoreHandle : SafeHandle{//造方法构public CoreHandle(): base(IntPtr.Zero, true) {}//重的方法写public override bool IsInvalid{get { return handle == IntPtr.Zero; }}protected override bool ReleaseHandle(){if (!IsInvalid){libvlc_release(this);handle = IntPtr.Zero;}return true;}protected override void Dispose(bool disposing){ReleaseHandle();base.Dispose(disposing);}//Dll调调调入[DllImport("libvlc")]private static extern void libvlc_release(CoreHandle coreHandle); }//造构core调class Core{//coreHandle字段和性属private CoreHandle coreHandle;public CoreHandle CoreHandle{get { return coreHandle; }}//造方法构public Core(string[] argv, ref MediaException.ExceptionStruct ex) {byte[][] argvbytes = new byte[argv.Length][];for (int i = 0; i < argv.Length; i++){argvbytes[i] = Encoding.UTF8.GetBytes(argv[i]);}coreHandle = libvlc_new(argv.Length, ReturnIntPtr(argvbytes, argv.Length), ref ex);}//调调函数private IntPtr ReturnIntPtr(byte[][] data, int length){IntPtr[] dataIntPtrArr = new IntPtr[length];for (int i = 0; i < length; i++){dataIntPtrArr[i] = Marshal.AllocHGlobal(data[i].Length *sizeof(byte));Marshal.Copy(data[i], 0, dataIntPtrArr[i], data[i].Length);}IntPtr dataIntPtr = Marshal.AllocHGlobal(length *Marshal.SizeOf(typeof(IntPtr)));Marshal.Copy(dataIntPtrArr, 0, dataIntPtr, length);return dataIntPtr;}//Dll调调调入[DllImport("libvlc")]private static extern CoreHandle libvlc_new(int argc, IntPtr argv, refMediaException.ExceptionStruct ex);}//造构MediaHandle调class MediaHandle : SafeHandle{//造方法构public MediaHandle(): base(IntPtr.Zero, true){}//重的方法写public override bool IsInvalid{get { return handle == IntPtr.Zero; }}protected override bool ReleaseHandle(){if (!IsInvalid){libvlc_media_release(this);handle = IntPtr.Zero;}return true;}protected override void Dispose(bool disposing){ReleaseHandle();base.Dispose(disposing);}//Dll调调调入[DllImport("libvlc")]private static extern void libvlc_media_release(MediaHandle mediaHandle);}//造构Media调class Media{//mediaHandle字段和性属private MediaHandle mediaHandle;public MediaHandle MediaHandle{get { return mediaHandle; }}//造方法构public Media(CoreHandle coreHandle, String filename, ref MediaException.ExceptionStruct ex){//c#调UTF-16调调, libvlc.dll调UTF-8调调, 需要调调.UTF8Encoding utf8 = new UTF8Encoding();mediaHandle = libvlc_media_new(coreHandle, utf8.GetBytes(filename), ref ex);}//Dll调调调入[DllImport("libvlc")]private static extern MediaHandle libvlc_media_new(CoreHandle coreHandle, [MarshalAs(UnmanagedType.LPArray)]byte[] link, ref MediaException.ExceptionStruct ex);}//造构MediaPlayerHandle调class MediaPlayerHandle : SafeHandle{//造方法构public MediaPlayerHandle(): base(IntPtr.Zero, true){}//重的方法写public override bool IsInvalid{get { return handle == IntPtr.Zero; }}protected override bool ReleaseHandle(){if (!IsInvalid){libvlc_media_player_release(this); handle = IntPtr.Zero;}return true;}protected override void Dispose(bool disposing){ReleaseHandle();base.Dispose(disposing);}//Dll调调调入[DllImport("libvlc")]private static extern voidlibvlc_media_player_release(MediaPlayerHandlemediaPlayerHandle);}//造构MediaPlayer调class MediaPlayer{//mediaPlayerHandle字段和性属private MediaPlayerHandle mediaPlayerHandle;public MediaPlayerHandle MediaPlayerHandle{get { return mediaPlayerHandle; }}//造方法构public MediaPlayer(MediaHandle mediaHandle, refMediaException.ExceptionStruct ex){mediaPlayerHandle =libvlc_media_player_new_from_media(mediaHandle, ref ex);}//调置父口窗public void VedioSetParent(CoreHandle coreHandle, IntPtr hDT, ref MediaException.ExceptionStruct ex){libvlc_video_set_parent(coreHandle, hDT, ref ex);}//播放public void Play(ref MediaException.ExceptionStruct ex){libvlc_media_player_play(mediaPlayerHandle, ref ex);}//调停public void Pause(ref MediaException.ExceptionStruct ex){libvlc_media_player_pause(mediaPlayerHandle, ref ex);}//停止public void stop(ref MediaException.ExceptionStruct ex){libvlc_media_player_stop(mediaPlayerHandle, ref ex);}//Dll调调调入[DllImport("libvlc")]private static extern MediaPlayerHandlelibvlc_media_player_new_from_media(MediaHandle libvlc_media_handle, ref MediaException.ExceptionStruct ex);[DllImport("libvlc")]private static extern void libvlc_video_set_parent(CoreHandle coreHandle,IntPtr hDT, ref MediaException.ExceptionStruct ex);[DllImport("libvlc")]private static extern voidlibvlc_media_player_play(MediaPlayerHandlemediaPlayerHandle, ref MediaException.ExceptionStruct ex);[DllImport("libvlc")]private static extern voidlibvlc_media_player_pause(MediaPlayerHandlemediaPlayerHandle, ref MediaException.ExceptionStruct ex);[DllImport("libvlc")]private static extern voidlibvlc_media_player_stop(MediaPlayerHandle mediaPlayerHandle, ref MediaException.ExceptionStruct ex);}//播放按调代调private void button1_Click(object sender, EventArgs e){string path = textBox1.Text;//调行播放的控件的句柄IntPtr hdl = this.panel1.Handle;//播放参数string[] argv = new string[] { "-I", "--ignore-config" };//vlc调象的调建MediaException.ExceptionStruct ex = newMediaException.ExceptionStruct();Core core = new Core(argv, ref ex);Media media = new Media(core.CoreHandle, path, ref ex);MediaPlayer player = new MediaPlayer(media.MediaHandle, ref ex);//回收垃圾GC.Collect();//播放player.VedioSetParent(core.CoreHandle, hdl, ref ex);player.Play(ref ex);//调调回收等相调操作垃圾GC.Collect();GC.WaitForPendingFinalizers();}//退出～调放private void button2_Click(object sender, EventArgs e){string path = textBox1.Text;//调行播放的控件的句柄IntPtr hdl = this.panel1.Handle;//播放参数string[] argv = new string[] { "-I", "--ignore-config" };//vlc调象的调建MediaException.ExceptionStruct ex = newMediaException.ExceptionStruct();Core core = new Core(argv, ref ex);Media media = new Media(core.CoreHandle, path, ref ex);MediaPlayer player = new MediaPlayer(media.MediaHandle, ref ex); GC.Collect();GC.WaitForPendingFinalizers();if (player != null){player.stop(ref ex);player.MediaPlayerHandle.Dispose();player = null;media.MediaHandle.Dispose();media = null;core.CoreHandle.Dispose();core = null;}}}第四步,调调～行。
