前言
PlayCtrl.dll都忘记到底是朋友翻的还是自己翻的了，有朋友需要，我就贴上来吧。
正文
一、文件下载
注意：文件可能随时更新，欢迎使用中遇到问题及时反馈给我。下载后把后缀改成.cs就行了。
二、部分API
/// <summary> /// 播放器 /// </summary> public sealed class HikPlayer { #region Const Member Variables // #define WINVER // 0x0700 Windows 7 // 0x0600 Windows Vista // 0x0502 Windows 2003 Server // 0x0410 Windows XP // <0x0400 Windows 98/Windows 2000 public static readonly int WINVER = 0x0502 ; public static readonly uint WM_USER = 0x0400 ; public static readonly uint WM_FILE_END = WM_USER + 33 ; public static readonly uint WM_ENC_CHANGE = WM_USER + 100 ; public static readonly int COLOR_DEFAULT = 64 ; public static readonly int PLAYER_SLIDER_MAX = 200 ; public static readonly int MAX_DISPLAY_DEVICE = 4 ; public static readonly int WIDTH_PAL = 352 ; public static readonly int HEIGHT_PAL = 288 ; #region Source buffer // #define SOURCE_BUF_MAX public static readonly uint SOURCE_BUF_MAX = 1024 * 100000 ; // #define SOURCE_BUF_MIN 1024*50 public static readonly uint SOURCE_BUF_MIN = 1024 * 50 ; #endregion #region Frame type /// <summary> /// 音频数据;采样率16khz，单声道，每个采样点16位表示。 /// </summary> public static readonly int T_AUDIO16 = 101 ; public static readonly int T_AUDIO8 = 100 ; /// <summary> /// 视频数据，uyvy格式。“U0-Y0-V0-Y1-U2-Y2-V2-Y3….”，第一个像素位于图像左上角。 /// </summary> public static readonly int T_UYVY = 1 ; /// <summary> /// 视频数据，yv12格式。排列顺序“Y0-Y1-……”，“V0-V1….”，“U0-U1-…..”。 /// </summary> public static readonly int T_YV12 = 3 ; /// <summary> /// 视频数据。每个像素4个字节，排列方式与位图相似，“B-G-R-0 ……”，第一个像素位于图像左下角。 /// </summary> public static readonly int T_RGB32 = 7 ; #endregion #region Stream type /// <summary> /// 实时模式，适合播放网络实时数据，解码器会立刻解码。 /// </summary> public static readonly int STREAME_REALTIME = 0 ; /// <summary> /// 文件模式，适合用户把文件数据用流方式输入。 /// 注意：当PlayM4_InputData()返回FALSE时，用户要等一下重新输入。 /// </summary> public static readonly int STREAME_FILE = 1 ; #endregion #region Error code /// <summary> /// 没有错误 /// no error /// </summary> public static readonly int PlayM4_NOERROR = 0 ; /// <summary> /// 输入参数非法 /// input parameter is invalid; /// </summary> public static readonly int PlayM4_PARA_OVER = 1 ; /// <summary> /// 调用顺序不对 /// The order of the function to be called is error. /// </summary> public static readonly int PlayM4_ORDER_ERROR = 2 ; /// <summary> /// 多媒体时钟设置失败 /// Create multimedia clock failed; /// </summary> public static readonly int PlayM4_TIMER_ERROR = 3 ; /// <summary> /// 视频解码失败 /// Decode video data failed. /// </summary> public static readonly int PlayM4_DEC_VIDEO_ERROR = 4 ; /// <summary> /// 音频解码失败 /// Decode audio data failed. /// </summary> public static readonly int PlayM4_DEC_AUDIO_ERROR = 5 ; /// <summary> /// 分配内存失败 /// Allocate memory failed. /// </summary> public static readonly int PlayM4_ALLOC_MEMORY_ERROR = 6 ; /// <summary> /// 文件操作失败 /// Open the file failed. /// </summary> public static readonly int PlayM4_OPEN_FILE_ERROR = 7 ; /// <summary> /// 创建线程事件等失败 /// Create thread or event failed. /// </summary> public static readonly int PlayM4_CREATE_OBJ_ERROR = 8 ; /// <summary> /// 创建DirectDraw失败 /// Create DirectDraw object failed. /// </summary> public static readonly int PlayM4_CREATE_DDRAW_ERROR = 9 ; /// <summary> /// 创建后端缓存失败 /// Failed when creating off-screen surface. /// </summary> public static readonly int PlayM4_CREATE_OFFSCREEN_ERROR = 10 ; /// <summary> /// 缓冲区满，输入流失败 /// Buffer is overflow. /// </summary> public static readonly int PlayM4_BUF_OVER = 11 ; /// <summary> /// 创建音频设备失败 /// Failed when creating audio device. /// </summary> public static readonly int PlayM4_CREATE_SOUND_ERROR = 12 ; /// <summary> /// 设置音量失败 /// Set volume failed. /// </summary> public static readonly int PlayM4_SET_VOLUME_ERROR = 13 ; /// <summary> /// 只能在播放文件时才能使用此接口 /// The function only support play file. /// </summary> public static readonly int PlayM4_SUPPORT_FILE_ONLY = 14 ; /// <summary> /// 只能在播放流时才能使用此接口 /// The function only support play stream. /// </summary> public static readonly int PlayM4_SUPPORT_STREAM_ONLY = 15 ; /// <summary> /// 系统不支持，解码器只能工作在Pentium 3以上 /// System not support. /// </summary> public static readonly int PlayM4_SYS_NOT_SUPPORT = 16 ; /// <summary> /// 没有文件头 /// No file header. /// </summary> public static readonly int PlayM4_FILEHEADER_UNKNOWN = 17 ; /// <summary> /// 解码器和编码器版本不对应 /// The version of decoder and encoder is not adapted. /// </summary> public static readonly int PlayM4_VERSION_INCORRECT = 18 ; /// <summary> /// 初始化解码器失败 /// Initialize decoder failed. /// </summary> public static readonly int HIK_PALYM4_INIT_DECODER_ERROR = 19 ; /// <summary> /// 文件太短或码流无法识别 /// The file data is unknown. /// </summary> public static readonly int PlayM4_CHECK_FILE_ERROR = 20 ; /// <summary> /// 初始化多媒体时钟失败 /// Initialize multimedia clock failed. /// </summary> public static readonly int PlayM4_INIT_TIMER_ERROR = 21 ; /// <summary> /// 位拷贝失败 /// Blt failed. /// </summary> public static readonly int PlayM4_BLT_ERROR = 22 ; /// <summary> /// 显示Overlay失败 /// Update failed. /// </summary> public static readonly int PlayM4_UPDATE_ERROR = 23 ; /// <summary> /// 打开文件错误 /// Open file error, stream type is multi. /// </summary> public static readonly int PlayM4_OPEN_FILE_ERROR_MULTI = 24 ; /// <summary> /// 打开文件错误 /// Open file error, stream type is video. /// </summary> public static readonly int PlayM4_OPEN_FILE_ERROR_VIDEO = 25 ; /// <summary> /// JPEG格式压缩错误 /// JPEG compress error. /// </summary> public static readonly int PlayM4_JPEG_COMPRESS_ERROR = 26 ; /// <summary> /// 不支持此文件的版本 /// Don't support the version of this file. /// </summary> public static readonly int PlayM4_EXTRACT_NOT_SUPPORT = 27 ; /// <summary> /// 提取视频数据失败 /// Extract video data failed. /// </summary> public static readonly int PlayM4_EXTRACT_DATA_ERROR = 28 ; #endregion #region Display buffers /// <summary> /// 播放缓冲最大值 /// </summary> public static readonly int MAX_DIS_FRAMES = 50 ; /// <summary> /// 播放缓冲最小值 /// </summary> public static readonly int MIN_DIS_FRAMES = 6 ; #endregion #region Locate by /// <summary> /// 帧号 /// </summary> public static readonly int BY_FRAMENUM = 1 ; /// <summary> /// 时间 /// </summary> public static readonly int BY_FRAMETIME = 2 ; #endregion #region Display type /// <summary> /// 正常分辨率数据送显卡显示。 /// </summary> public static readonly int DISPLAY_NORMAL = 1 ; /// <summary> /// 1/4分辨率数据送显卡显示。 /// </summary> public static readonly int DISPLAY_QUARTER = 2 ; #endregion #region Timer type /// <summary> /// 一个进程中只能使用16个，定时比较准，画面流畅。 /// Only 16 timers for every process.Default TIMER; /// </summary> public static readonly int TIMER_1 = 1 ; /// <summary> /// 使用数目没有限制，定时没有TIMER_1准。 /// Not limit;But the precision less than TIMER_1; /// </summary> public static readonly int TIMER_2 = 2 ; #endregion #region BUFFER TYPE /// <summary> /// 视频数据源缓冲区，缓冲解码之前视频数据，只对流模式有效，单位byte。 /// </summary> public static readonly ushort BUF_VIDEO_SRC = 1 ; /// <summary> /// 音频数据源缓冲区，缓冲解码之前音频数据，只对流模式有效, 单位byte。 /// </summary> public static readonly ushort BUF_AUDIO_SRC = 2 ; /// <summary> /// 解码后视频数据缓冲区，单位帧数。 /// </summary> public static readonly ushort BUF_VIDEO_RENDER = 3 ; /// <summary> /// 解码后音频数据缓冲区，单位帧数，音频40ms数据定为一帧。 /// </summary> public static readonly ushort BUF_AUDIO_RENDER = 4 ; #endregion #endregion #region HikPlayer /// <summary> /// 1、 BOOL PlayM4_InitDDraw(HWND hWnd); /// 初始化DirectDraw表面。在使用vb,delphi开发时请注意，它们生成的对话框具有WS_CLIPCHILDREN /// 窗口风格，必须去掉这种风格，否则显示画面会被对话框上的控件覆盖。注意：1.1版以上不需要调用。 /// </summary> /// <param name="hWnd"> hWnd 应用程序主窗口的句柄。 </param> /// <returns></returns> [DllImport( " PlayCtrl.dll " )] public static extern bool PlayM4_InitDDraw(IntPtr hWnd); /// <summary> /// 2、 BOOL PlayM4_RealeseDDraw(); /// 释放directDraw表面；注意：1.1版以上不需要调用。 /// </summary> /// <returns></returns> [DllImport( " PlayCtrl.dll " )] public static extern bool PlayM4_RealeseDDraw(); /// <summary> /// 3、 BOOL PlayM4_OpenFile(LONG nPort,LPSTR sFileName); /// 打开播放文件 /// </summary> /// <param name="nPort"></param> /// <param name="sFileName"> 文件名，文件不能超过4G或小于4K </param> /// <returns></returns> [DllImport( " PlayCtrl.dll " )] public static extern bool PlayM4_OpenFile( int nPort, string sFileName); /// <summary> /// 4、 BOOL PlayM4_CloseFile(LONG nPort); /// 关闭播放文件 /// </summary> /// <param name="nPort"></param> /// <returns></returns> [DllImport( " PlayCtrl.dll " )] public static extern bool PlayM4_CloseFile( int nPort); /// <summary> /// 5、 BOOL PlayM4_Play(LONG nPort, HWND hWnd); /// 播放开始，播放视频画面大小将根据hWnd窗口调整，要全屏显示，只要把hWnd窗口放大到全屏。 /// 如果已经播放，只是改变当前播放速度为正常速度。 /// </summary> /// <param name="nPort"></param> /// <param name="hWnd"> hWnd 播放视频的窗口句柄 </param> /// <returns></returns> [DllImport( " PlayCtrl.dll " )] public static extern bool PlayM4_Play( int nPort, IntPtr hWnd); /// <summary> /// 6、 BOOL PlayM4_Stop(LONG nPort); /// 播放结束 /// </summary> /// <param name="nPort"></param> /// <returns></returns> [DllImport( " PlayCtrl.dll " )] public static extern bool PlayM4_Stop( int nPort); /// <summary> /// 7、 BOOL PlayM4_Pause(LONG nPort,DWORD nPause); /// 播放暂停/恢复 /// </summary> /// <param name="nPort"></param> /// <param name="nPause"> nPause=TRUE暂停，否则恢复 </param> /// <returns></returns> [DllImport( " PlayCtrl.dll " )] public static extern bool PlayM4_Pause( int nPort, bool nPause); /// <summary> /// 8、 BOOL PlayM4_Fast(LONG nPort); /// 快速播放，每次调用将使当前播放速度加快一倍，最多调用4次；要恢复正常播放调用PlayM4_Play()， /// 从当前位置开始正常播放 /// </summary> /// <param name="nPort"></param> /// <returns></returns> [DllImport( " PlayCtrl.dll " )] public static extern bool PlayM4_Fast( int nPort); /// <summary> /// 9、 BOOL PlayM4_Slow(LONG nPort); /// 慢速播放，每次调用将使当前播放速度慢一倍；最多调用4次；要恢复正常播放调用PlayM4_Play() /// </summary> /// <param name="nPort"></param> /// <returns></returns> [DllImport( " PlayCtrl.dll " )] public static extern bool PlayM4_Slow( int nPort); /// <summary> /// 10、BOOL PlayM4_SetPlayPos(LONG nPort,float fRelativePos); /// 设置文件播放指针的相对位置（百分比）。 /// </summary> /// <param name="nPort"></param> /// <param name="fRelativePos"> 范围0-100% </param> /// <returns></returns> [DllImport( " PlayCtrl.dll " )] public static extern bool PlayM4_SetPlayPos( int nPort, float fRelativePos);
结束语
最近学习C++，所积累的还没达到可以写文章的水平，所以近段时间的文章会比较少。