public static async Task VideoToFrames(string inputFile, string frameFolderPath, bool deDupe, bool hdr, bool delSrc)
{
if (!Directory.Exists(frameFolderPath))
{
Directory.CreateDirectory(frameFolderPath);
}
string hdrStr = "";
if (hdr)
{
hdrStr = FFmpegStrings.hdrFilter;
}
string deDupeStr = "";
if (deDupe)
{
deDupeStr = "-vf mpdecimate";
}
string args = $"-i {inputFile.Wrap()} -compression_level 3 {hdrStr} -vsync 0 {deDupeStr} \"" + frameFolderPath + "/%04d.png\"";
await FFmpeg.Run(args);
await Task.Delay(1);
if (delSrc)
{
DeleteSource(inputFile);
}
}
public static async Task Encode(string inputFile, string vcodec, string acodec, int crf, int audioKbps, bool delSrc)
{
string args = " -i \"INPATH\" -c:v VCODEC -crf CRF -pix_fmt yuv420p -c:a ACODEC -b:a ABITRATE \"OUTPATH\"";
if (string.IsNullOrWhiteSpace(acodec))
{
args = args.Replace("-c:a", "-an");
}
args = args.Replace("VCODEC", vcodec);
args = args.Replace("ACODEC", acodec);
args = args.Replace("CRF", crf.ToString());
if (audioKbps > 0)
{
args = args.Replace("ABITRATE", audioKbps.ToString());
}
else
{
args = args.Replace(" -b:a ABITRATE", "");
}
string filenameNoExt = Path.ChangeExtension(inputFile, null);
args = args.Replace("INPATH", inputFile);
args = args.Replace("OUTPATH", filenameNoExt + "-convert.mp4");
await FFmpeg.Run(args);
if (delSrc)
{
DeleteSource(inputFile);
}
}
public static async Task LoopVideo(string inputFile, int times, bool delSrc)
{
string pathNoExt = Path.ChangeExtension(inputFile, null);
string ext = Path.GetExtension(inputFile);
string args = " -stream_loop " + times + " -i \"" + inputFile + "\" -c copy \"" + pathNoExt + "-" + times + "xLoop" + ext + "\"";
await FFmpeg.Run(args);
if (delSrc)
{
DeleteSource(inputFile);
}
}
public static async Task ChangeSpeed(string inputFile, float newSpeedPercent, bool delSrc)
{
string pathNoExt = Path.ChangeExtension(inputFile, null);
string ext = Path.GetExtension(inputFile);
float val = newSpeedPercent / 100f;
string speedVal = (1f / val).ToString("0.0000").Replace(",", ".");
string args = " -itsscale " + speedVal + " -i \"" + inputFile + "\" -c copy \"" + pathNoExt + "-" + newSpeedPercent + "pcSpeed" + ext + "\"";
await FFmpeg.Run(args);
if (delSrc)
{
DeleteSource(inputFile);
}
}
public static async Task MergeAudio(string inputFile, string audioPath) // https://superuser.com/a/277667
{
Logger.Log($"[FFCmds] Merging audio from {audioPath} into {inputFile}", true);
string tempPath = inputFile + "-temp.mp4";
string args = $" -i {inputFile.Wrap()} -i {audioPath.Wrap()} -map 0:v -map 1:a? -c copy -strict -2 {tempPath.Wrap()}";
await FFmpeg.Run(args);
if (FFmpeg.lastOutputFfmpeg.Contains("Invalid data"))
{
Logger.Log("Failed to merge audio!");
return;
}
File.Delete(inputFile);
File.Move(tempPath, inputFile);
}
public static async void ExtractSingleFrame(string inputFile, int frameNum, bool hdr, bool delSrc)
{
string hdrStr = "";
if (hdr)
{
hdrStr = FFmpegStrings.hdrFilter;
}
string args = "-i " + inputFile.Wrap() + " " + hdrStr
+ " -vf \"select=eq(n\\," + frameNum + ")\" -vframes 1 " + inputFile.Wrap() + "-frame" + frameNum + ".png";
await FFmpeg.Run(args);
if (delSrc)
{
DeleteSource(inputFile);
}
}
public static async Task FramesToGif(string inputDir, bool opti, int fps, string prefix, bool delSrc)
{
int nums = IOUtils.GetFilenameCounterLength(Directory.GetFiles(inputDir, "*.png")[0], prefix);
string filter = "";
if (opti)
{
filter = "-vf \"split[s0][s1];[s0]palettegen[p];[s1][p]paletteuse\"";
}
string args = "-framerate " + fps + " -i \"" + inputDir + "\\" + prefix + "%0" + nums + "d.png\" -f gif " + filter + " \"" + inputDir + ".gif\"";
await FFmpeg.Run(args);
if (delSrc)
{
DeleteSource(inputDir);
}
}
public static async void FramesToApng(string inputDir, bool opti, int fps, string prefix, bool delSrc)
{
int nums = IOUtils.GetFilenameCounterLength(Directory.GetFiles(inputDir, "*.png")[0], prefix);
string filter = "";
if (opti)
{
filter = "-vf \"split[s0][s1];[s0]palettegen[p];[s1][p]paletteuse\"";
}
string args = "-framerate " + fps + " -i \"" + inputDir + "\\" + prefix + "%0" + nums + "d.png\" -f apng -plays 0 " + filter + " \"" + inputDir + "-anim.png\"";
await FFmpeg.Run(args);
if (delSrc)
{
DeleteSource(inputDir); // CHANGE CODE TO BE ABLE TO DELETE DIRECTORIES!!
}
}
public static async Task FramesToMp4Looped(string inputDir, bool useH265, int crf, int fps, int loopTimes, string prefix, bool delSrc)
{
int nums = IOUtils.GetFilenameCounterLength(Directory.GetFiles(inputDir, "*.png")[0], prefix);
string enc = "libx264";
if (useH265)
{
enc = "libx265";
}
string args = " -framerate " + fps + " -stream_loop " + loopTimes + " -i \"" + inputDir + "\\" + prefix + "%0" + nums + "d.png\" -c:v " + enc
+ " -crf " + crf + " -pix_fmt yuv420p -movflags +faststart -vf \"crop = trunc(iw / 2) * 2:trunc(ih / 2) * 2\" -c:a copy \"" + inputDir + ".mp4\"";
await FFmpeg.Run(args);
if (delSrc)
{
DeleteSource(inputDir);
}
}
public static async Task LoopVideoEnc(string inputFile, int times, bool useH265, int crf, bool delSrc)
{
string pathNoExt = Path.ChangeExtension(inputFile, null);
string ext = Path.GetExtension(inputFile);
string enc = "libx264";
if (useH265)
{
enc = "libx265";
}
string args = " -stream_loop " + times + " -i \"" + inputFile + "\" -c:v " + enc + " -crf " + crf + " -c:a copy \"" + pathNoExt + "-" + times + "xLoop" + ext + "\"";
await FFmpeg.Run(args);
if (delSrc)
{
DeleteSource(inputFile);
}
}