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
![](https://img.laitimes.com/img/9ZDMuAjOiMmIsIjOiQnIsIiZpdmLlR2bjlHcvN2LcNXZnFWbp9CXt92YuM3ZvxmYuNmLu9Wbt92Yvw1LcpDc0RHaiojIsJye.gif)
/// <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;
/// 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。
public static readonly int t_uyvy = 1;
/// 视频数据,yv12格式。排列顺序“y0-y1-……”,“v0-v1….”,“u0-u1-…..”。
public static readonly int t_yv12 = 3;
/// 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。
public static readonly int t_rgb32 = 7;
#region stream type
/// 实时模式,适合播放网络实时数据,解码器会立刻解码。
public static readonly int streame_realtime = 0;
/// 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。
public static readonly int streame_file = 1;
#region error code
/// 没有错误
/// no error
public static readonly int playm4_noerror = 0;
/// 输入参数非法
/// input parameter is invalid;
public static readonly int playm4_para_over = 1;
/// 调用顺序不对
/// the order of the function to be called is error.
public static readonly int playm4_order_error = 2;
/// 多媒体时钟设置失败
/// create multimedia clock failed;
public static readonly int playm4_timer_error = 3;
/// 视频解码失败
/// decode video data failed.
public static readonly int playm4_dec_video_error = 4;
/// 音频解码失败
/// decode audio data failed.
public static readonly int playm4_dec_audio_error = 5;
/// 分配内存失败
/// allocate memory failed.
public static readonly int playm4_alloc_memory_error = 6;
/// 文件操作失败
/// open the file failed.
public static readonly int playm4_open_file_error = 7;
/// 创建线程事件等失败
/// create thread or event failed.
public static readonly int playm4_create_obj_error = 8;
/// 创建directdraw失败
/// create directdraw object failed.
public static readonly int playm4_create_ddraw_error = 9;
/// 创建后端缓存失败
/// failed when creating off-screen surface.
public static readonly int playm4_create_offscreen_error = 10;
/// 缓冲区满,输入流失败
/// buffer is overflow.
public static readonly int playm4_buf_over = 11;
/// 创建音频设备失败
/// failed when creating audio device.
public static readonly int playm4_create_sound_error = 12;
/// 设置音量失败
/// set volume failed.
public static readonly int playm4_set_volume_error = 13;
/// 只能在播放文件时才能使用此接口
/// the function only support play file.
public static readonly int playm4_support_file_only = 14;
/// 只能在播放流时才能使用此接口
/// the function only support play stream.
public static readonly int playm4_support_stream_only = 15;
/// 系统不支持,解码器只能工作在pentium 3以上
/// system not support.
public static readonly int playm4_sys_not_support = 16;
/// 没有文件头
/// no file header.
public static readonly int playm4_fileheader_unknown = 17;
/// 解码器和编码器版本不对应
/// the version of decoder and encoder is not adapted.
public static readonly int playm4_version_incorrect = 18;
/// 初始化解码器失败
/// initialize decoder failed.
public static readonly int hik_palym4_init_decoder_error = 19;
/// 文件太短或码流无法识别
/// the file data is unknown.
public static readonly int playm4_check_file_error = 20;
/// 初始化多媒体时钟失败
/// initialize multimedia clock failed.
public static readonly int playm4_init_timer_error = 21;
/// 位拷贝失败
/// blt failed.
public static readonly int playm4_blt_error = 22;
/// 显示overlay失败
/// update failed.
public static readonly int playm4_update_error = 23;
/// 打开文件错误
/// open file error, stream type is multi.
public static readonly int playm4_open_file_error_multi = 24;
/// open file error, stream type is video.
public static readonly int playm4_open_file_error_video = 25;
/// jpeg格式压缩错误
/// jpeg compress error.
public static readonly int playm4_jpeg_compress_error = 26;
/// 不支持此文件的版本
/// don't support the version of this file.
public static readonly int playm4_extract_not_support = 27;
/// 提取视频数据失败
/// extract video data failed.
public static readonly int playm4_extract_data_error = 28;
#region display buffers
/// 播放缓冲最大值
public static readonly int max_dis_frames = 50;
/// 播放缓冲最小值
public static readonly int min_dis_frames = 6;
#region locate by
/// 帧号
public static readonly int by_framenum = 1;
/// 时间
public static readonly int by_frametime = 2;
#region display type
/// 正常分辨率数据送显卡显示。
public static readonly int display_normal = 1;
/// 1/4分辨率数据送显卡显示。
public static readonly int display_quarter = 2;
#region timer type
/// 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;
public static readonly int timer_1 = 1;
/// 使用数目没有限制,定时没有timer_1准。
/// not limit;but the precision less than timer_1;
public static readonly int timer_2 = 2;
#region buffer type
/// 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。
public static readonly ushort buf_video_src = 1;
/// 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。
public static readonly ushort buf_audio_src = 2;
/// 解码后视频数据缓冲区,单位帧数。
public static readonly ushort buf_video_render = 3;
/// 解码后音频数据缓冲区,单位帧数,音频40ms数据定为一帧。
public static readonly ushort buf_audio_render = 4;
#region hikplayer
/// 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。
/// <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);
/// 2、 bool playm4_realeseddraw();
/// 释放directdraw表面;注意:1.1版以上不需要调用。
public static extern bool playm4_realeseddraw();
/// 3、 bool playm4_openfile(long nport,lpstr sfilename);
/// 打开播放文件
/// <param name="nport"></param>
/// <param name="sfilename">文件名,文件不能超过4g或小于4k</param>
public static extern bool playm4_openfile(int nport, string sfilename);
/// 4、 bool playm4_closefile(long nport);
/// 关闭播放文件
public static extern bool playm4_closefile(int nport);
/// 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。
/// <param name="hwnd">hwnd 播放视频的窗口句柄</param>
public static extern bool playm4_play(int nport, intptr hwnd);
/// 6、 bool playm4_stop(long nport);
/// 播放结束
public static extern bool playm4_stop(int nport);
/// 7、 bool playm4_pause(long nport,dword npause);
/// 播放暂停/恢复
/// <param name="npause">npause=true暂停,否则恢复</param>
public static extern bool playm4_pause(int nport, bool npause);
/// 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
public static extern bool playm4_fast(int nport);
/// 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()
public static extern bool playm4_slow(int nport);
/// 10、bool playm4_setplaypos(long nport,float frelativepos);
/// 设置文件播放指针的相对位置(百分比)。
/// <param name="frelativepos">范围0-100%</param>
public static extern bool playm4_setplaypos(int nport, float frelativepos);
![](https://img.laitimes.com/img/9ZDMuAjOiMmIsIjOiQnIsIiZpdmLlR2bjlHcvN2LcNXZnFWbp9CXt92YuM3ZvxmYuNmLu9Wbt92Yvw1LcpDc0RHaiojIsJye.gif)
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。
转载:http://www.cnblogs.com/over140/archive/2010/03/12/1683973.html