private MediaMetadata ProbeFile(string inFile)
{
string args = $"-print_format xml=fully_qualified=1 -show_format -show_streams -- \"{inFile}\"";
var exResult = ManagedExecution.Start(FFprobePath, args);
string xmlData = string.Join("\n", exResult.Output);
if (FFprobeData.Deserialize(xmlData, out FFprobeData t))
{
List <MediaStream> audioStreams = new List <MediaStream>();
List <MediaStream> videoStreams = new List <MediaStream>();
List <MediaStream> subtitleStreams = new List <MediaStream>();
foreach (var s in t.streams)
{
switch (s.codec_type)
{
case "audio":
audioStreams.Add(s);
break;
case "video":
videoStreams.Add(s);
break;
case "subtitle":
subtitleStreams.Add(s);
break;
default:
break;
}
}
var metadata = new Dictionary <string, string>();
if (t.format.tag != null)
{
foreach (var item in t.format.tag)
{
if (!metadata.ContainsKey(item.key))
{
metadata.Add(item.key.ToLower(System.Globalization.CultureInfo.InvariantCulture), item.value);
}
}
}
var firstVideoStream = videoStreams.FirstOrDefault(x => CommandBuilder.SupportedCodecs.ContainsKey(x.codec_name));
var firstAudioStream = audioStreams.FirstOrDefault(x => CommandBuilder.SupportedCodecs.ContainsKey(x.codec_name));
if (!decimal.TryParse(firstVideoStream?.r_frame_rate, out decimal framerate))
{
framerate = 24;
}
float duration = t.format != null ? t.format.duration : 0;
var meta = new MediaMetadata(videoStreams, audioStreams, subtitleStreams, metadata, firstVideoStream?.bit_rate ?? t.format.bit_rate, framerate, duration);
return(meta);
}
return(null);
}
public MediaMetadata ProbeFile(string inFile, out FFprobeData rawProbe)
{
string args = $"-print_format xml=fully_qualified=1 -show_format -show_streams -- \"{inFile}\"";
var exResult = ManagedExecution.Start(FFprobePath, args);
string xmlData = string.Join("\n", exResult.Output);
rawProbe = FFprobeData.Deserialize(xmlData);
List <MediaStream> audioStreams = new List <MediaStream>();
List <MediaStream> videoStreams = new List <MediaStream>();
List <MediaStream> subtitleStreams = new List <MediaStream>();
foreach (var s in rawProbe.streams)
{
switch (s.codec_type)
{
case "audio":
audioStreams.Add(s);
break;
case "video":
videoStreams.Add(s);
break;
case "subtitle":
subtitleStreams.Add(s);
break;
default:
break;
}
}
var metadata = new Dictionary <string, string>();
if (rawProbe.format.tag != null)
{
foreach (var item in rawProbe.format.tag)
{
if (!metadata.ContainsKey(item.key))
{
metadata.Add(item.key.ToLower(System.Globalization.CultureInfo.InvariantCulture), item.value);
}
}
}
var firstVideoStream = videoStreams.FirstOrDefault(x => Constants.SupportedInputCodecs.ContainsKey(x.codec_name)) ?? videoStreams.FirstOrDefault();
decimal framerate = 0;
long bitrate = 0;
if (firstVideoStream == null)
{
// Leave them as zero.
}
else
{
if (decimal.TryParse(firstVideoStream.r_frame_rate, out framerate))
{
}
else if (firstVideoStream.r_frame_rate.Contains("/"))
{
try
{
framerate = firstVideoStream.r_frame_rate
.Split('/')
.Select(component => decimal.Parse(component))
.Aggregate((dividend, divisor) => dividend / divisor);
}
catch (Exception)
{
// Leave it as zero.
}
}
bitrate = firstVideoStream.bit_rate != 0 ? firstVideoStream.bit_rate : (rawProbe.format?.bit_rate ?? 0);
}
float duration = rawProbe.format != null ? rawProbe.format.duration : 0;
var meta = new MediaMetadata(inFile, videoStreams, audioStreams, subtitleStreams, metadata, bitrate, framerate, duration);
return(meta);
}
