internal static void Check(Media media)
{
if (media.MediaType == TMediaType.Movie || media.MediaType == TMediaType.Unknown)
{
TimeSpan videoDuration;
TimeSpan audioDuration;
int startTickCunt = Environment.TickCount;
using (FFMpegWrapper ffmpeg = new FFMpegWrapper(media.FullPath))
{
videoDuration = ffmpeg.GetFrameCount().SMPTEFramesToTimeSpan();
audioDuration = (TimeSpan)ffmpeg.GetAudioDuration();
if (videoDuration == TimeSpan.Zero)
{
MediaInfoLib.MediaInfo mi = new MediaInfoLib.MediaInfo();
try
{
mi.Open(media.FullPath);
long frameCount;
if (long.TryParse(mi.Get(MediaInfoLib.StreamKind.Video, 0, "FrameCount"), out frameCount))
videoDuration = frameCount.SMPTEFramesToTimeSpan();
long audioMilliseconds;
if (long.TryParse(mi.Get(MediaInfoLib.StreamKind.Audio, 0, "Duration"), out audioMilliseconds))
audioDuration = TimeSpan.FromMilliseconds(audioMilliseconds);
//mi.Option("Complete");
//Debug.WriteLine(mi.Inform());
}
finally
{
mi.Close();
}
}
media.Duration = videoDuration;
if (media.DurationPlay == TimeSpan.Zero || media.DurationPlay > videoDuration)
media.DurationPlay = videoDuration;
int w = ffmpeg.GetWidth();
int h = ffmpeg.GetHeight();
FieldOrder order = ffmpeg.GetFieldOrder();
Rational frameRate = ffmpeg.GetFrameRate();
Rational sar = ffmpeg.GetSAR();
if (h == 608 && w == 720)
{
media.HasExtraLines = true;
h = 576;
}
else
media.HasExtraLines = false;
RationalNumber sAR = ((sar.Num == 608 && sar.Den == 405) || (sar.Num == 1 && sar.Den == 1)) ? VideoFormatDescription.Descriptions[TVideoFormat.PAL_FHA].SAR
: (sar.Num == 152 && sar.Den == 135) ? VideoFormatDescription.Descriptions[TVideoFormat.PAL].SAR
: new RationalNumber(sar.Num, sar.Den);
var vfd = VideoFormatDescription.Match(new System.Drawing.Size(w, h), new RationalNumber(frameRate.Num, frameRate.Den), sAR, order != FieldOrder.PROGRESSIVE);
media.VideoFormat = vfd.Format;
media.VideoFormatDescription = vfd;
if (videoDuration > TimeSpan.Zero)
{
media.MediaType = TMediaType.Movie;
if (Math.Abs(videoDuration.Ticks - audioDuration.Ticks) >= TimeSpan.TicksPerSecond / 2
&& audioDuration != TimeSpan.Zero)
// when more than 0.5 sec difference
media.MediaStatus = TMediaStatus.ValidationError;
else
media.MediaStatus = TMediaStatus.Available;
}
else
media.MediaStatus = TMediaStatus.ValidationError;
}
Debug.WriteLine("Check of {0} finished with status {1}. It took {2} milliseconds", media.FullPath, media.MediaStatus, Environment.TickCount - startTickCunt);
}
else
media.MediaStatus = TMediaStatus.Available;
}
internal static void Check(MediaBase media)
{
if (media.MediaType == TMediaType.Movie || media.MediaType == TMediaType.Unknown)
{
int startTickCunt = Environment.TickCount;
using (FFMpegWrapper ffmpeg = new FFMpegWrapper(media.FullPath))
{
Rational r = ffmpeg.GetFrameRate();
RationalNumber frameRate = new RationalNumber(r.Num, r.Den);
var videoDuration = ffmpeg.GetFrameCount().SMPTEFramesToTimeSpan(frameRate);
var audioDuration = (TimeSpan)ffmpeg.GetAudioDuration();
var mediaDuration = ((videoDuration > audioDuration) && (audioDuration > TimeSpan.Zero) ? audioDuration : videoDuration).Round(frameRate);
media.Duration = mediaDuration;
if (media.DurationPlay == TimeSpan.Zero || media.DurationPlay > mediaDuration)
{
media.DurationPlay = mediaDuration;
}
int w = ffmpeg.GetWidth();
int h = ffmpeg.GetHeight();
FieldOrder order = ffmpeg.GetFieldOrder();
Rational sar = ffmpeg.GetSAR();
if (h == 608 && w == 720)
{
media.HasExtraLines = true;
h = 576;
}
else
{
media.HasExtraLines = false;
}
string timecode = ffmpeg.GetTimeCode();
if (timecode != null &&
timecode.IsValidSMPTETimecode(frameRate))
{
media.TcStart = timecode.SMPTETimecodeToTimeSpan(frameRate);
if (media.TcPlay < media.TcStart)
{
media.TcPlay = media.TcStart;
}
}
RationalNumber sAR = (h == 576 && ((sar.Num == 608 && sar.Den == 405) || (sar.Num == 1 && sar.Den == 1) || (sar.Num == 118 && sar.Den == 81))) ? VideoFormatDescription.Descriptions[TVideoFormat.PAL_FHA].SAR
: (sar.Num == 152 && sar.Den == 135) ? VideoFormatDescription.Descriptions[TVideoFormat.PAL].SAR
: new RationalNumber(sar.Num, sar.Den);
var vfd = VideoFormatDescription.Match(new System.Drawing.Size(w, h), new RationalNumber(frameRate.Num, frameRate.Den), sAR, order != FieldOrder.PROGRESSIVE);
media.VideoFormat = vfd.Format;
if (media is IngestMedia ingestMedia)
{
ingestMedia.StreamInfo = ffmpeg.GetStreamInfo();
}
if (media is TempMedia tempMedia)
{
tempMedia.StreamInfo = ffmpeg.GetStreamInfo();
}
Debug.WriteLine("FFmpeg check of {0} finished. It took {1} milliseconds", media.FullPath, Environment.TickCount - startTickCunt);
if (videoDuration > TimeSpan.Zero)
{
media.MediaType = TMediaType.Movie;
if (Math.Abs(videoDuration.Ticks - audioDuration.Ticks) >= TimeSpan.TicksPerSecond &&
audioDuration != TimeSpan.Zero)
{
// when more than 0.5 sec difference
media.MediaStatus = TMediaStatus.ValidationError;
}
media.MediaStatus = TMediaStatus.Available;
}
media.MediaStatus = TMediaStatus.ValidationError;
}
}
media.MediaStatus = TMediaStatus.Available;
}
private void CheckInputFile(Media mf)
{
using (FFMpegWrapper ff = new FFMpegWrapper(mf.FullPath))
{
inputFileStreams = ff.GetStreamInfo();
}
MediaInfo mi = new MediaInfo();
try
{
mi.Open(mf.FullPath);
mi.Option("Complete");
string miOutput = mi.Inform();
Regex format_lxf = new Regex("Format\\s*:\\s*LXF");
if (format_lxf.Match(miOutput).Success)
{
string[] miOutputLines = miOutput.Split('\n');
Regex vitc = new Regex("ATC_VITC");
Regex re = new Regex("Time code of first frame\\s*:[\\s]\\d{2}:\\d{2}:\\d{2}:\\d{2}");
for (int i = 0; i < miOutputLines.Length; i++)
{
if (vitc.Match(miOutputLines[i]).Success && i >= 1)
{
Match m_tcs = re.Match(miOutputLines[i - 1]);
if (m_tcs.Success)
{
Regex reg_tc = new Regex("\\d{2}:\\d{2}:\\d{2}:\\d{2}");
Match m_tc = reg_tc.Match(m_tcs.Value);
if (m_tc.Success)
{
DestMedia.TCStart = reg_tc.Match(m_tc.Value).Value.SMPTETimecodeToTimeSpan();
if (DestMedia.TCPlay == TimeSpan.Zero)
DestMedia.TCPlay = DestMedia.TCStart;
break;
}
}
}
}
}
Regex format_mxf = new Regex(@"Format\s*:\s*MXF");
if (format_mxf.Match(miOutput).Success)
{
string[] miOutputLines = miOutput.Split('\n');
Regex mxf_tc = new Regex(@"MXF TC");
Regex re = new Regex(@"Time code of first frame\s*:[\s]\d{2}:\d{2}:\d{2}:\d{2}");
for (int i = 0; i < miOutputLines.Length; i++)
{
Match mxf_match = mxf_tc.Match(miOutputLines[i]);
if (mxf_match.Success && i < miOutputLines.Length - 1)
{
Regex reg_tc = new Regex(@"\d{2}:\d{2}:\d{2}:\d{2}");
Match m_tc = re.Match(miOutputLines[i + 1]);
if (m_tc.Success)
{
DestMedia.TCStart = reg_tc.Match(m_tc.Value).Value.SMPTETimecodeToTimeSpan();
if (DestMedia.TCPlay == TimeSpan.Zero)
DestMedia.TCPlay = DestMedia.TCStart;
break;
}
}
}
}
}
finally
{
mi.Close();
}
}
