180 lines
8.2 KiB
C#
180 lines
8.2 KiB
C#
|
using System;
|
|||
|
|
using System.Configuration;
|
|||
|
|
using System.Text.RegularExpressions;
|
|||
|
|
namespace Song.Extend
|
|||
|
|
{
|
|||
|
|
public class VideoMethod : System.Web.UI.Page
|
|||
|
|
{
|
|||
|
|
public VideoMethod()
|
|||
|
|
{
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
//文件路径
|
|||
|
|
public static string ffmpegtool = WeiSha.Common.App.Get["ffmpeg"].String;
|
|||
|
|
public static string mencodertool = WeiSha.Common.App.Get["mencoder"].String;
|
|||
|
|
//文件图片大小
|
|||
|
|
public static string sizeOfImg = ConfigurationManager.AppSettings["CatchFlvImgSize"];
|
|||
|
|
//文件大小
|
|||
|
|
public static string widthOfFile = WeiSha.Common.App.Get["widthSize"].String;
|
|||
|
|
public static string heightOfFile = WeiSha.Common.App.Get["heightSize"].String;
|
|||
|
|
//获取文件的名字
|
|||
|
|
public static string GetFileName(string fileName)
|
|||
|
|
{
|
|||
|
|
int i = fileName.LastIndexOf("\\") + 1;
|
|||
|
|
string Name = fileName.Substring(i);
|
|||
|
|
return Name;
|
|||
|
|
}
|
|||
|
|
//获取文件扩展名
|
|||
|
|
public static string GetExtension(string fileName)
|
|||
|
|
{
|
|||
|
|
int i = fileName.LastIndexOf(".") + 1;
|
|||
|
|
string Name = fileName.Substring(i);
|
|||
|
|
return Name;
|
|||
|
|
}
|
|||
|
|
//
|
|||
|
|
#region //运行FFMpeg的视频解码，(这里是绝对路径)
|
|||
|
|
/// <summary>
|
|||
|
|
/// 转换文件并保存在指定文件夹下面(这里是绝对路径)
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="fileName">上传视频文件的路径（原文件）</param>
|
|||
|
|
/// <param name="playFile">转换后的文件的路径（网络播放文件）</param>
|
|||
|
|
/// <param name="imgFile">从视频文件中抓取的图片路径</param>
|
|||
|
|
/// <returns>成功:返回图片虚拟地址; 失败:返回空字符串</returns>
|
|||
|
|
public string FFfor_Flv(string fileName, string playFile, string imgFile)
|
|||
|
|
{
|
|||
|
|
//取得ffmpeg.exe的路径,路径配置在Web.Config中,如:<add key="ffmpeg" value="E:\aspx1\ffmpeg.exe" />
|
|||
|
|
string ffmpeg = Server.MapPath(VideoMethod.ffmpegtool);
|
|||
|
|
fileName = Server.MapPath(fileName);
|
|||
|
|
if ((!System.IO.File.Exists(ffmpeg)) || (!System.IO.File.Exists(fileName))) return "";
|
|||
|
|
|
|||
|
|
//获得图片和(.flv)文件相对路径/最后存储到数据库的路径,如:/Web/User1/00001.jpg
|
|||
|
|
string videofile = Server.MapPath(System.IO.Path.ChangeExtension(playFile, ".flv"));
|
|||
|
|
//截图的尺寸大小,配置在Web.Config中,如:<add key="CatchFlvImgSize" value="240x180" />
|
|||
|
|
string FlvImgSize = VideoMethod.sizeOfImg;
|
|||
|
|
System.Diagnostics.ProcessStartInfo FilestartInfo = new System.Diagnostics.ProcessStartInfo(ffmpeg);
|
|||
|
|
//FilestartInfo.WindowStyle = System.Diagnostics.ProcessWindowStyle.Hidden;
|
|||
|
|
//◾-i filename：指定输入文件名。
|
|||
|
|
//◾-ab bitrate：设定音频编码器输出的比特率，整数，单位bps。
|
|||
|
|
//◾-ar sample rate：设定音频编解码器的采样率，整数，单位Hz。
|
|||
|
|
// -qscale q 使用固定的视频量化标度(VBR)
|
|||
|
|
//◾-b bitrate：设定音视频编码器输出的比特率，整数，单位bps，缺省200kb/s
|
|||
|
|
// -r fps：设定视频编解码器的帧率，整数，单位fps 缺省25
|
|||
|
|
// -s size 设置帧大小 格式为WXH 缺省160X128.下面的简写也可以直接使用：
|
|||
|
|
//FilestartInfo.Arguments = " -i " + fileName + " -ab 56 -ar 22050 -qscale 6 -r 15 -s " + widthOfFile + "x" + heightOfFile + " -y " + videofile;
|
|||
|
|
//FilestartInfo.Arguments = " -i " + fileName + " -y -ab 56 -ar 22050 -b 1500 -r 29.97 -s 1280*720 -qscale 0.01 " + videofile; //mp4
|
|||
|
|
FilestartInfo.Arguments = " -i " + fileName + " -f flv -ab 56 -ar 22050 -qscale " + 3 + " -r 15 -s " + widthOfFile + "x" + heightOfFile + " -y " + videofile; ; //fkv
|
|||
|
|
try
|
|||
|
|
{
|
|||
|
|
if (!string.IsNullOrWhiteSpace(imgFile))
|
|||
|
|
{
|
|||
|
|
//截图
|
|||
|
|
CatchImg(fileName, imgFile);
|
|||
|
|
}
|
|||
|
|
//转换
|
|||
|
|
FilestartInfo.UseShellExecute = false;
|
|||
|
|
//FilestartInfo.CreateNoWindow = true;
|
|||
|
|
System.Diagnostics.Process.Start(FilestartInfo);
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
catch
|
|||
|
|
{
|
|||
|
|
return "";
|
|||
|
|
}
|
|||
|
|
//
|
|||
|
|
return "";
|
|||
|
|
}
|
|||
|
|
//
|
|||
|
|
public string CatchImg(string fileName, string imgFile)
|
|||
|
|
{
|
|||
|
|
string ffmpeg = Server.MapPath(VideoMethod.ffmpegtool);
|
|||
|
|
string flv_img = imgFile + ".jpg";
|
|||
|
|
string FlvImgSize = VideoMethod.sizeOfImg;
|
|||
|
|
System.Diagnostics.ProcessStartInfo ImgstartInfo = new System.Diagnostics.ProcessStartInfo(ffmpeg);
|
|||
|
|
ImgstartInfo.WindowStyle = System.Diagnostics.ProcessWindowStyle.Hidden;
|
|||
|
|
//
|
|||
|
|
ImgstartInfo.Arguments = " -i " + fileName + " -y -f image2 -ss 2 -vframes 1 -s " + FlvImgSize + " " + flv_img;
|
|||
|
|
try
|
|||
|
|
{
|
|||
|
|
System.Diagnostics.Process.Start(ImgstartInfo);
|
|||
|
|
}
|
|||
|
|
catch
|
|||
|
|
{
|
|||
|
|
return "";
|
|||
|
|
}
|
|||
|
|
//
|
|||
|
|
if (System.IO.File.Exists(flv_img))
|
|||
|
|
{
|
|||
|
|
return flv_img;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return "";
|
|||
|
|
}
|
|||
|
|
#endregion
|
|||
|
|
|
|||
|
|
|
|||
|
|
#region //运行mencoder的视频解码器转换(这里是(绝对路径))
|
|||
|
|
public string MCfor_Flv(string vFileName, string playFile, string imgFile)
|
|||
|
|
{
|
|||
|
|
string tool = Server.MapPath(VideoMethod.mencodertool);
|
|||
|
|
//string mplaytool = Server.MapPath(VideoMethod.ffmpegtool);
|
|||
|
|
|
|||
|
|
if ((!System.IO.File.Exists(tool)) || (!System.IO.File.Exists(vFileName))) return "";
|
|||
|
|
string flv_file = System.IO.Path.ChangeExtension(playFile, ".flv");
|
|||
|
|
|
|||
|
|
//截图的尺寸大小,配置在Web.Config中,如:<add key="CatchFlvImgSize" value="240x180" />
|
|||
|
|
string FlvImgSize = VideoMethod.sizeOfImg;
|
|||
|
|
System.Diagnostics.ProcessStartInfo FilestartInfo = new System.Diagnostics.ProcessStartInfo(tool);
|
|||
|
|
FilestartInfo.WindowStyle = System.Diagnostics.ProcessWindowStyle.Normal;
|
|||
|
|
FilestartInfo.Arguments = " -quiet -oac mp3lame -lameopts abr:br=56 -srate 22050 -af channels=2 -ovc lavc -vf harddup,hqdn3d,scale=176:-3 -lavcopts vcodec=flv:vbitrate=152:mbd=2:trell:v4mv:turbo:keyint=45 -ofps 15 -of lavf " + vFileName + " -o " + flv_file;
|
|||
|
|
//FilestartInfo.Arguments = " " + vFileName + " -o " + flv_file + " -of lavf -lavfopts i_certify_that_my_video_stream_does_not_use_b_frames -oac mp3lame -lameopts abr:br=56 -ovc lavc -lavcopts vcodec=flv:vbitrate=200:mbd=2:mv0:trell:v4mv:cbp:last_pred=1:dia=-1:cmp=0:vb_strategy=1 -vf scale=" + widthOfFile + ":" + heightOfFile + " -ofps 12 -srate 22050";
|
|||
|
|
try
|
|||
|
|
{
|
|||
|
|
FilestartInfo.UseShellExecute = false;
|
|||
|
|
System.Diagnostics.Process.Start(FilestartInfo);
|
|||
|
|
//CatchImg(flv_file, imgFile);
|
|||
|
|
}
|
|||
|
|
catch
|
|||
|
|
{
|
|||
|
|
return "";
|
|||
|
|
}
|
|||
|
|
//
|
|||
|
|
return "";
|
|||
|
|
}
|
|||
|
|
#endregion
|
|||
|
|
|
|||
|
|
#region 获取视频类型
|
|||
|
|
// 扩展名定义
|
|||
|
|
string[] strArrFfmpeg = new string[] { "asf", "avi", "mpg", "3gp", "mov", "mp4", "mkv" };
|
|||
|
|
string[] strArrMencoder = new string[] { "wmv", "rmvb", "rm" };
|
|||
|
|
/// <summary>
|
|||
|
|
/// 判断视频类型
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="extension"></param>
|
|||
|
|
/// <returns>返回ffmpeg，或 mencoder</returns>
|
|||
|
|
public string CheckExtension(string extension)
|
|||
|
|
{
|
|||
|
|
extension = extension.Replace(".", "");
|
|||
|
|
string m_strReturn = "";
|
|||
|
|
foreach (string var in this.strArrFfmpeg)
|
|||
|
|
{
|
|||
|
|
if (var == extension)
|
|||
|
|
{
|
|||
|
|
m_strReturn = "ffmpeg"; break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
if (m_strReturn == "")
|
|||
|
|
{
|
|||
|
|
foreach (string var in strArrMencoder)
|
|||
|
|
{
|
|||
|
|
if (var == extension)
|
|||
|
|
{
|
|||
|
|
m_strReturn = "mencoder"; break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
return m_strReturn;
|
|||
|
|
}
|
|||
|
|
#endregion
|
|||
|
|
}
|
|||
|
|
}
|