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deal with CreateProcess failure

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This commit is contained in:
Paddy Xu
2017-11-17 12:29:50 +02:00
parent 1980ed1590
commit 057126a7a0
2 changed files with 53 additions and 40 deletions
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38
QuickLook.Plugin/QuickLook.Plugin.ImageViewer/exiv2/Meta.cs
View File

@@ -137,25 +137,31 @@ namespace QuickLook.Plugin.ImageViewer.Exiv2
private Dictionary<string, string> Run(string arg, string regexSplit) private Dictionary<string, string> Run(string arg, string regexSplit)
{ {
string result; try
using (var p = new Process())
{ {
p.StartInfo.UseShellExecute = false; string result;
p.StartInfo.CreateNoWindow = true; using (var p = new Process())
p.StartInfo.RedirectStandardOutput = true; {
p.StartInfo.FileName = ExivPath; p.StartInfo.UseShellExecute = false;
p.StartInfo.Arguments = arg; p.StartInfo.CreateNoWindow = true;
p.StartInfo.StandardOutputEncoding = Encoding.UTF8; p.StartInfo.RedirectStandardOutput = true;
p.Start(); p.StartInfo.FileName = ExivPath;
p.StartInfo.Arguments = arg;
p.StartInfo.StandardOutputEncoding = Encoding.UTF8;
p.Start();
result = p.StandardOutput.ReadToEnd(); result = p.StandardOutput.ReadToEnd();
p.WaitForExit(1000); p.WaitForExit(1000);
}
return string.IsNullOrWhiteSpace(result)
? new Dictionary<string, string>()
: ParseResult(result, regexSplit);
}
catch (Exception)
{
return new Dictionary<string, string>();
} }
return string.IsNullOrWhiteSpace(result)
? new Dictionary<string, string>()
: ParseResult(result, regexSplit);
} }
private Dictionary<string, string> ParseResult(string result, string regexSplit) private Dictionary<string, string> ParseResult(string result, string regexSplit)

55
QuickLook.Plugin/QuickLook.Plugin.VideoViewer/ffmpeg/FFprobe.cs
View File

@@ -40,28 +40,35 @@ namespace QuickLook.Plugin.VideoViewer.FFmpeg
private bool Run(string media) private bool Run(string media)
{ {
string result; try
using (var p = new Process())
{ {
p.StartInfo.UseShellExecute = false; string result;
p.StartInfo.CreateNoWindow = true;
p.StartInfo.RedirectStandardOutput = true;
p.StartInfo.FileName = _probePath;
p.StartInfo.Arguments = $"-v quiet -print_format xml -show_streams -show_format \"{media}\"";
p.StartInfo.StandardOutputEncoding = Encoding.UTF8;
p.Start();
result = p.StandardOutput.ReadToEnd(); using (var p = new Process())
p.WaitForExit(1000); {
p.StartInfo.UseShellExecute = false;
p.StartInfo.CreateNoWindow = true;
p.StartInfo.RedirectStandardOutput = true;
p.StartInfo.FileName = _probePath;
p.StartInfo.Arguments = $"-v quiet -print_format xml -show_streams -show_format \"{media}\"";
p.StartInfo.StandardOutputEncoding = Encoding.UTF8;
p.Start();
result = p.StandardOutput.ReadToEnd();
p.WaitForExit(1000);
}
if (string.IsNullOrWhiteSpace(result))
return false;
ParseResult(result);
return true;
} }
catch (Exception)
if (string.IsNullOrWhiteSpace(result)) {
return false; return false;
}
ParseResult(result);
return true;
} }
private void ParseResult(string result) private void ParseResult(string result)
@@ -71,28 +78,28 @@ namespace QuickLook.Plugin.VideoViewer.FFmpeg
public bool CanDecode() public bool CanDecode()
{ {
var info = _infoNavigator.SelectSingleNode("/ffprobe/format[@probe_score>25]"); var info = _infoNavigator?.SelectSingleNode("/ffprobe/format[@probe_score>25]");
return info != null; return info != null;
} }
public string GetFormatName() public string GetFormatName()
{ {
var format = _infoNavigator.SelectSingleNode("/ffprobe/format/@format_name")?.Value; var format = _infoNavigator?.SelectSingleNode("/ffprobe/format/@format_name")?.Value;
return format ?? string.Empty; return format ?? string.Empty;
} }
public string GetFormatLongName() public string GetFormatLongName()
{ {
var format = _infoNavigator.SelectSingleNode("/ffprobe/format/@format_long_name")?.Value; var format = _infoNavigator?.SelectSingleNode("/ffprobe/format/@format_long_name")?.Value;
return format ?? string.Empty; return format ?? string.Empty;
} }
public bool HasAudio() public bool HasAudio()
{ {
var duration = _infoNavigator.SelectSingleNode("/ffprobe/streams/stream[@codec_type='audio'][1]/@duration") var duration = _infoNavigator?.SelectSingleNode("/ffprobe/streams/stream[@codec_type='audio'][1]/@duration")
?.Value; ?.Value;
if (duration == null) if (duration == null)
@@ -104,7 +111,7 @@ namespace QuickLook.Plugin.VideoViewer.FFmpeg
public bool HasVideo() public bool HasVideo()
{ {
var fps = _infoNavigator.SelectSingleNode("/ffprobe/streams/stream[@codec_type='video'][1]/@avg_frame_rate") var fps = _infoNavigator?.SelectSingleNode("/ffprobe/streams/stream[@codec_type='video'][1]/@avg_frame_rate")
?.Value; ?.Value;
if (fps == null) if (fps == null)
@@ -118,9 +125,9 @@ namespace QuickLook.Plugin.VideoViewer.FFmpeg
if (!HasVideo()) if (!HasVideo())
return Size.Empty; return Size.Empty;
var width = _infoNavigator.SelectSingleNode("/ffprobe/streams/stream[@codec_type='video'][1]/@coded_width") var width = _infoNavigator?.SelectSingleNode("/ffprobe/streams/stream[@codec_type='video'][1]/@coded_width")
?.Value; ?.Value;
var height = _infoNavigator.SelectSingleNode("/ffprobe/streams/stream[@codec_type='video'][1]/@coded_height") var height = _infoNavigator?.SelectSingleNode("/ffprobe/streams/stream[@codec_type='video'][1]/@coded_height")
?.Value; ?.Value;
if (width == null || height == null) if (width == null || height == null)