internal static void Check(this 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 = (TimeSpan)ffmpeg.GetVideoDuration();
var audioDuration = (TimeSpan)ffmpeg.GetAudioDuration();
var mediaDuration = ((videoDuration > audioDuration) && (audioDuration > TimeSpan.Zero) ? audioDuration : videoDuration).Round(frameRate);
if (mediaDuration == TimeSpan.Zero)
{
mediaDuration = (TimeSpan)ffmpeg.GetFileDuration();
}
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), frameRate, 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;
}
