/// <summary>
/// Parses the output of X264 or X265 to return the info of all input streams.
/// </summary>
/// <param name="outputText">The text containing the file information to parse.</param>
public void ParseFileInfo(string outputText, ProcessOptionsEncoder options)
{
IsParsed = true;
if (options?.FrameCount > 0)
{
FrameCount = options.FrameCount;
}
else
{
FrameCount = ParseFrameCount(outputText);
}
}
public ProcessWorkerEncoder(IMediaConfig config, IProcessFactory processFactory, IFileSystemService fileSystemService, IFileInfoParserFactory parserFactory, ProcessOptionsEncoder options)
: base(config, processFactory, options ?? new ProcessOptionsEncoder())
{
_fileSystem = fileSystemService ?? throw new ArgumentNullException(nameof(fileSystemService));
_parserFactory = parserFactory ?? throw new ArgumentNullException(nameof(parserFactory));
OutputType = ProcessOutput.Error;
}
/// <summary>
/// Parses the output of FFmpeg to return the info of all input streams.
/// </summary>
/// <param name="outputText">The text containing the file information to parse.</param>
public void ParseFileInfo(string outputText, ProcessOptionsEncoder options)
{
IsParsed = true;
FileDuration = new TimeSpan();
FileStreams.Clear();
if (string.IsNullOrEmpty(outputText))
{
return;
}
var outLines = outputText.Split(new string[] { Environment.NewLine }, StringSplitOptions.None);
// Find duration line.
var durationIndex = -1;
for (var i = 0; i < outLines.Length; i++)
{
if (outLines[i].StartsWith(" Duration: ", StringComparison.InvariantCulture))
{
durationIndex = i;
// Parse duration line.
var durationInfo = outLines[i].Trim().Split(new string[] { ", " }, StringSplitOptions.None);
var durationString = durationInfo[0].Split(' ')[1];
if (durationString == "N/A")
{
FileDuration = new TimeSpan(0);
}
else if (!string.IsNullOrWhiteSpace(durationString))
{
try
{
FileDuration = TimeSpan.Parse(durationString, CultureInfo.InvariantCulture);
}
catch (FormatException) { }
catch (OverflowException) { }
}
break;
}
}
// Find input streams.
MediaStreamInfo?itemInfo;
for (var i = durationIndex + 1; i < outLines.Length; i++)
{
if (outLines[i].StartsWith(" Stream #0:", StringComparison.InvariantCulture))
{
// Parse input stream.
itemInfo = ParseStreamInfo(outLines[i]);
if (itemInfo != null)
{
FileStreams.Add(itemInfo);
}
}
else if (outLines[i].StartsWith("Output ", StringComparison.InvariantCulture))
{
break;
}
}
// Calculate FrameCount.
if (options?.FrameCount > 0)
{
FrameCount = options.FrameCount;
}
else if (VideoStream != null)
{
FrameCount = (long)(FileDuration.TotalSeconds * VideoStream.FrameRate);
}
}
