/// <summary>
/// 根据视频的时长处理对应的音频，或重复播放音乐或裁减音乐
/// </summary>
/// <param name="musicPath"></param>
/// <param name="length"></param>
/// <param name="outputFile"></param>
public void CreateMusic(string musicPath, string length, string outputFile, int counter = 0)
{
counter++;
CommonFile.FileAttributes musicFileAtributes = CommonFile.GetFileAttributes(musicPath);
if (musicFileAtributes != null && !string.IsNullOrEmpty(musicFileAtributes.Length))
{
DateTime dtMusic = DateTime.Parse(musicFileAtributes.Length);
DateTime dtVideo = DateTime.Parse(length);
if (dtMusic < dtVideo)
{
string tempPath = string.Format("{0}\\tempaddmusic{1}.mp3", WorkPath, counter);
AddMusic(string.Format("{0}+{0}", musicPath), tempPath);
string lenSource = CommonFile.GetFileAttributes(musicPath).Length;
string lenDest = CommonFile.GetFileAttributes(tempPath).Length;
if (lenSource != lenDest) //相同表示转化失败
{
CreateMusic(tempPath, length, outputFile, counter);
}
}
else
{
SubMusic(musicPath, length, outputFile);
}
}
}
private void btnTestMusic_Click(object sender, EventArgs e)
{
string inputMusic = txtMusicPath.Text;
string outputMusic = string.Format("{0}\\testMusic.mp3", AppDomain.CurrentDomain.BaseDirectory);
string tempMusic = string.Empty;
try
{
if (!System.IO.File.Exists(inputMusic) && Directory.Exists(inputMusic))
{
tempMusic = string.Format("{0}\\testMusicTemp.mp3", AppDomain.CurrentDomain.BaseDirectory);
AddDirMusic(inputMusic, tempMusic);
inputMusic = tempMusic;
}
CreateMusic(inputMusic, "00:20:00", outputMusic);
if (System.IO.File.Exists(outputMusic))
{
CommonFile.FileAttributes outputMusicAtributes = CommonFile.GetFileAttributes(outputMusic);
txtMessage.Text = string.Format("音乐合成成功！音乐时长:" + outputMusicAtributes.Length);
System.IO.File.Delete(outputMusic);
}
else
{
txtMessage.Text = string.Format("音乐合成失败！");
}
}
catch (Exception ex)
{
txtMessage.Text = string.Format("音乐合成失败，异常信息：{0}", ex.Message);
}
finally
{
if (System.IO.File.Exists(tempMusic))
{
System.IO.File.Delete(tempMusic);
}
}
}
private void btnCreate_Click(object sender, EventArgs e)
{
try
{
if (txtFoldPath.Text == txtTempPath.Text)
{
MessageBox.Show("图片文件目录不允许和工作目录重复！", "警告", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
txtMessage.Text = string.Empty;
Message = string.Empty;
//必须得有临时目录, 如果给定的目录不存在，则自动创建
if (!string.IsNullOrEmpty(txtTempPath.Text))
{
WorkPath = txtTempPath.Text;
}
string tempNoMusicVideo = string.Format("{0}\\temp.avi", WorkPath); //无音乐的临时avi
string tempInMusicVideo = string.Format("{0}\\temp2.avi", WorkPath); // 加入了音乐的视频
string tempOutputVideo = string.Format("{0}\\temp3.avi", WorkPath); //可作为输出的AVI
string outputVideo = string.Format("{0}\\{1}.{2}", txtOutputPath.Text, txtTitle.Text, "avi"); //视频输出路径
//计时开始
DateTime dtCreateBegin = DateTime.Now;
AddMessage(string.Format("开始生成，当前时间：{0}", dtCreateBegin.ToString("HH:mm:ss"))); ///Message 1
//当目录存在并且当前不是重新生成的时候需要清理目录
if (Directory.Exists(WorkPath) && !chbReCreate.Checked)
{
Directory.Delete(WorkPath, true);
Directory.CreateDirectory(WorkPath);
}
else if (!Directory.Exists(WorkPath))
{
Directory.CreateDirectory(WorkPath);
}
string imagePath = WorkPath;
if (!chbQuicCreate.Checked) //不转码图片直接生成
{
//图片目录
if (!Directory.Exists(txtFoldPath.Text))
{
AddMessage("图片目录不存在！"); ///Message 2
return; //=================================return
}
//拷贝图片文件到工作目录，并根据指定的分辨率转码，以高为基准
AddMessage("拷贝图片到工作目录..."); ///Message 3
int imageCount = CopyImage(txtFoldPath.Text, WorkPath, !chbReCreate.Checked);
if (imageCount == 0)
{
AddMessage("图片拷贝失败！"); ///Message 4
return; //=================================return
}
//如果有封面和封底则生成封面
if (!string.IsNullOrEmpty(txtCover.Text) && System.IO.File.Exists(txtCover.Text))
{
CompressImage(txtCover.Text, string.Format("{0}\\0.jpg", WorkPath));
if (Convert.ToInt32(cbSpeed.SelectedItem) < 5) //如果速度小于五秒为了多显示封面，重新拷贝一遍
{
System.IO.File.Copy(string.Format("{0}\\0.jpg", WorkPath), string.Format("{0}\\00.jpg", WorkPath), true);
}
}
if (!string.IsNullOrEmpty(txtCoverBack.Text) && System.IO.File.Exists(txtCoverBack.Text))
{
string[] imageList = Directory.GetFiles(WorkPath);
CompressImage(txtCoverBack.Text, string.Format("{0}\\{1}.jpg", WorkPath, imageCount));
}
//生成视频文件
AddMessage(string.Format("{0}张图片拷贝完毕，开始生成视频...", imageCount)); ///Message 5
}
else
{
imagePath = txtFoldPath.Text;
}
//图片之间的转化速度最后转化为framerate
CreateVideo(imagePath, tempNoMusicVideo, Convert.ToDouble(cbSpeed.SelectedItem.ToString()));
//第一次生成失败，则重试
if (!System.IO.File.Exists(tempNoMusicVideo))
{
CreateVideo(WorkPath, tempNoMusicVideo, Convert.ToDouble(cbSpeed.SelectedItem.ToString()));
}
//第二次生成失败则退出
if (!System.IO.File.Exists(tempNoMusicVideo))
{
AddMessage("视频生成失败"); ///Message 6
return; //=================================return
}
//处理视频信息
AddVideoMetadata(tempNoMusicVideo, tempOutputVideo, txtTitle.Text);
//合并音乐和视频,并按照输入的标题重命名文件
AddMessage("视频生成完毕，开始生成音乐。。。"); ///Message 7
string inputMusic = string.Format("{0}\\temp.mp3", WorkPath);
//视频的长度固定音乐的长度，多了截取，短了重复音乐
CommonFile.FileAttributes videoFileAtributes = CommonFile.GetFileAttributes(tempNoMusicVideo);
//如果是音乐目录，则先合并音乐
string musicPath = txtMusicPath.Text;
if (!System.IO.File.Exists(musicPath) && Directory.Exists(musicPath))
{
string tempMusic = string.Format("{0}\\dirMusicTemp.mp3", WorkPath);
AddDirMusic(musicPath, tempMusic);
musicPath = tempMusic;
}
if (System.IO.File.Exists(musicPath))
{
CreateMusic(musicPath, videoFileAtributes.Length, inputMusic);
}
//如果输出目录不存在，则创建
if (!Directory.Exists(txtOutputPath.Text))
{
Directory.CreateDirectory(txtOutputPath.Text);
}
//确定音乐正常的生成
if (System.IO.File.Exists(inputMusic))
{
AddMessage("音乐生成完毕，开始合成视频和音乐"); ///Message 8
MixAudioAndVideo(inputMusic, tempOutputVideo, tempInMusicVideo);
}
else
{
AddMessage("音乐生成失败，输出视频"); ///Message 9
System.IO.File.Copy(tempNoMusicVideo, tempInMusicVideo);
}
//加入视频信息
AddMessage("处理视频信息"); ///Message 11
//AddVideoMetadata(tempInMusicVideo, tempOutputVideo,txtTitle.Text); //加入元数据有问题
tempOutputVideo = tempInMusicVideo;
//拷贝视频到用户指定的目录
System.IO.File.Copy(tempOutputVideo, outputVideo, true);
//清除过程中的临时文件和目录
if (chbAutoClear.Checked)
{
Directory.Delete(WorkPath, true);
}
DateTime dtCreateEnd = DateTime.Now;
TimeSpan ts = dtCreateEnd - dtCreateBegin;
AddMessage(string.Format("生成成功！用时{0}分钟", Convert.ToInt32(ts.TotalMinutes))); ///Message 11
}
catch (Exception ex)
{
AddMessage(ex.Message);
txtMessage.Text = Message;
}
}
