private void RunFFmpegExe(object obj)
{
/*
* 视频命令
* MP4 ffmpeg.exe -f image2 -i c:\temp\d.jpg -vcodec libx264 -r 10 -b 200k test.mp4
* webm ffmpeg.exe - i png / B_ % 5d.png - auto - alt -ref 0 - c:v libvpx export.webm
*/
DatasStruct data = obj as DatasStruct;
Process p = new Process();
//p.StartInfo.FileName = ffmpegPath + "/ffmpeg.exe";
p.StartInfo.FileName = GameManager.FFMpegPath;
Debug.Log(Path.GetExtension(saveVideoName));
string arguments = Path.GetExtension(saveVideoName) == ".mp4" ? $"-f image2 -i {seletePicPath}/{picStyteType} -vf \"scale=trunc(iw/2)*2:trunc(ih/2)*2\" -vf \"split[a], pad = iw * 2:ih[b], [a] alphaextract, [b] overlay=w\" -b {codeRate}k {saveVideoName}" :
$"-i {seletePicPath}/{picStyteType} -r {frameRate} -b {codeRate}k -auto-alt-ref 0 -vcodec libvpx {saveVideoName}";
p.StartInfo.Arguments = arguments;
Debug.Log("ffmeeg 信息: " + p.StartInfo.Arguments);
p.StartInfo.CreateNoWindow = false;
p.StartInfo.UseShellExecute = false;
p.StartInfo.RedirectStandardOutput = true;
p.Start();
Debug.Log("ffmeeg 信息: start");
p.WaitForExit();
Debug.Log("ffmeeg 信息: Exit");
p.Close();
Loom.QueueOnMainThread(() => ShowDiglog());
data.thread.Abort();
}
/// <summary>
/// 转换
/// </summary>
/// <param name="exName">目标文件</param>
public void Convert(string exName)
{
if (GetPathIsNull())
{
return;
}
for (int i = 0; i < movFileList.Count; i++)
{
DatasStruct datas = new DatasStruct();
Thread thread = new Thread(RunFFmpegExe);
datas.thread = thread;
datas.inputMovFileName = movFileList[i];
datas.outVideoFileName = $"{saveMovPath}/{ Path.GetFileNameWithoutExtension(movFileList[i])}{exName}";
datas.addChunk4 = addchunk4;
//是否显示dialog 多个mov只展示最后一个dialog 应该根据时间 需要修改
if (i == movFileList.Count - 1)
{
datas.showEndDialog = true;
}
thread.Start(datas);
}
}
private void RunFFmpegExe(object obj)
{
DatasStruct data = obj as DatasStruct;
Process p = new Process();
p.StartInfo.FileName = GameManager.FFMpegPath;
Debug.Log(data.outVideoFileName);
string exName = Path.GetExtension(data.outVideoFileName);
switch (exName)
{
case ".mp4":
p.StartInfo.Arguments = $"-i {data.inputMovFileName} -vf \"scale=trunc(iw/2)*2:trunc(ih/2)*2\" -vf \"split[a], pad = iw * 2:ih[b], [a] alphaextract, [b] overlay=w\" -b {codeRate}k -r {frameRate} -y {data.outVideoFileName}";
break;
case ".webm":
//-i text.mov -auto-alt-ref 0 -c:v libvpx -b 1000k export.webm //-y是覆盖原来的视频
p.StartInfo.Arguments = $"-i {data.inputMovFileName} -auto-alt-ref 0 -c:v libvpx -r {frameRate} -b {codeRate}k -y {data.outVideoFileName}";
break;
case ".mov":
//ffmpeg -i input.mov -vcodec hap -format hap_alpha output-hap.mov
if (!data.addChunk4)
{
p.StartInfo.Arguments = $"-i {data.inputMovFileName} -vcodec hap -format hap_alpha -r {frameRate} -y {data.outVideoFileName}";
}
else
{
p.StartInfo.Arguments = $"-i {data.inputMovFileName} -vcodec hap -format hap_alpha -chunks 4 -r {frameRate} -y {data.outVideoFileName}";
}
break;
}
//scale=trunc(iw/2)*2:trunc(ih/2)*2 否则可能遇到“width not divisible by 2”
Debug.Log("ffmeeg 信息: " + p.StartInfo.Arguments);
p.StartInfo.CreateNoWindow = false;
p.StartInfo.UseShellExecute = false;
p.StartInfo.RedirectStandardOutput = true;
p.Start();
Debug.Log("ffmeeg 信息: 开始转换");
p.WaitForExit();
Debug.Log("ffmeeg 信息: 转换结束");
p.Close();
if (data.showEndDialog)
{
Loom.QueueOnMainThread(() => ShowDiglog());
}
data.thread.Abort();
}
public void Convert()
{
if (GetPathIsNull())
{
return;
}
DatasStruct datas = new DatasStruct();
Thread thread = new Thread(RunFFmpegExe);
datas.thread = thread;
datas.picFolderName = seletePicPath;
datas.outFileName = saveVideoName;
thread.Start(datas);
}
