下面的代码用于在按钮click事件中将600mb的音频WAV文件拆分为两个部分。
protected void Button1_Click(object sender, EventArgs e)
{
string inputFile = Server.MapPath("~/inputPath/BetterFasterCheaperGovt-HD+720p.wav"); // Substitute this with your Input File
FileStream fs = new FileStream(inputFile, FileMode.Open, FileAccess.Read);
int numberOfFiles = 2;
int sizeOfEachFile = (int)Math.Ceiling((double)fs.Length / numberOfFiles);
for (int i = 1; i <= numberOfFiles; i++)
{
string baseFileName = Path.GetFileNameWithoutExtension(inputFile);
string extension = Path.GetExtension(inputFile);
FileStream outputFile = new FileStream(Path.GetDirectoryName(inputFile) + "\\" + baseFileName + "_" + i.ToString().PadLeft(3, Convert.ToChar("0")) + extension, FileMode.Create, FileAccess.Write);
int bytesRead = 0;
byte[] buffer = new byte[sizeOfEachFile];
if ((bytesRead = fs.Read(buffer, 0, sizeOfEachFile)) > 0)
{
outputFile.Write(buffer, 0, bytesRead);
}
outputFile.Close();
}
fs.Close();
ClientScript.RegisterStartupScript(this.GetType(), "popup", "alert('success');", true);
}
它将成功分割成两个大小相同的文件,即300mb,但
part1.wmv为300mb,显示长度为1hr 16min
part2.wmv为300mb,长度为0。
意味着part2.wav中没有音频,只会创建空白损坏的文件。
请帮助我解决问题。
谢谢!!
最佳答案
看看Windows Media Encoder SDK。像这样:
Int32 StartTime = 0;
Int32 EndTime = 76 * 1000; //1hr 16min
String SourceName = "original.mp3";
String DestinationName = "newsplit.mp3";
WMEncBasicEdit SplitFile = new WMEncBasicEdit();
SplitFile.MediaFile = SourceName;
SplitFile.OutputFile = DestinationName;
SplitFile.MarkIn = StartTime;
SplitFile.MarkOut = EndTime;
SplitFile.Start();
关于c# - 如何使用C#将WAV文件拆分为两个或更多部分,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/25683916/