void TranscodeVideoTest(string filename)
{
using (MFSystem.Start())
{
var details = VideoAttributes.TestFor(filename);
TraceInfo.WriteLine("Frame Rate: {0}, Frame Size: {1}x{2}, Video: {3} @ {4}Mbs, Audio: {5}, {6}Khz @ {7}Kbs, ".F
(details.FrameRate,
details.FrameSize.Width,
details.FrameSize.Height,
details.VideoEncoding,
details.BitRate == 0 ? "-- " : details.BitRate.ToString(),
details.AudioEncoding,
details.AudioSamplesPerSecond / 1000,
details.AudioAverageBytesPerSecond / 1000));
TraceInfo.WriteLine("Begining video re-encoding.");
details.Transcoder.ProcessVideo((readers, saveToSink) =>
{
readers.First().SourceReader.Samples(AVOperations.FadeIn(saveToSink));
});
TraceInfo.WriteLine("Video converted. Review the video file {0} to confirm it looks OK.", details.Transcoder.DestinationFile);
TraceInfo.WriteLine("Success!");
}
}
void TranscodeVideoTest(string filename)
{
List <int> supportedAudioBitRates = new List <int>();
using (MFSystem.Start())
{
var details = VideoAttributes.TestFor(filename);
TraceInfo.WriteLine("Frame Rate: {0}, Frame Size: {1}x{2}, Video: {3} @ {4}Mbs, Audio: {5}, {6}Khz @ {7}Kbs, ".F
(details.FrameRate,
details.FrameSize.Width,
details.FrameSize.Height,
details.VideoEncoding,
details.BitRate == 0 ? "-- " : details.BitRate.ToString(),
details.AudioEncoding,
details.AudioSamplesPerSecond / 1000,
details.AudioAverageBytesPerSecond / 1000));
TraceInfo.WriteLine("Begining video re-encoding.");
details.Transcoder.ProcessVideo((readers, saveToSink) =>
{
int lastSecond = 0;
var fn = AVOperations.FadeIn(saveToSink);
readers.First().SourceReader.Samples(sample => {
if (sample.Stream.CurrentMediaType.IsVideo && sample.Sample != null)
{
var s = (int)sample.Sample.SampleTime.FromNanoToSeconds();
if (s != lastSecond)
{
TraceInfo.WriteLine("Converted: {0} seconds", s);
}
lastSecond = s;
if (s > 10)
{
return(false);
}
}
return(fn(sample));
});
});
TraceInfo.WriteLine("Video converted. Review the video file {0} to confirm it looks OK.", details.Transcoder.DestinationFile);
TraceInfo.WriteLine("Success!");
}
}
void Process(Transcoder transcoder, bool highlights, Action <long, long> monitorProgress, Func <bool> isAborted)
{
try
{
TraceInfo.WriteLineIf(highlights, "Transcoding highlights to {0}", transcoder.DestinationFile);
TraceInfo.WriteLineIf(!highlights, "Transcoding full replay to {0}", transcoder.DestinationFile);
transcoder.ProcessVideo((readers, saveToSink) =>
{
var writeToSink = monitorProgress == null ? saveToSink : MonitorProgress(saveToSink);
var fadeSegments = AVOperations.FadeIn(AVOperations.FadeOut(writeToSink));
var edits = highlights ? ApplyEdits(writeToSink) : writeToSink;
var mainBodyOverlays = AVOperations.Overlay(applyRaceDataOverlay, edits);
var introOverlay = AVOperations.Overlay(applyIntroOverlay, fadeSegments);
var sourceReaderExtra = readers.FirstOrDefault(r => ((CapturedVideoFile)r.State).isIntroVideo);
if (sourceReaderExtra != null)
{
var introSourceReader = sourceReaderExtra.SourceReader;
var mainReaders = AVOperations.Combine(readers.Skip(1).Select(r => r.SourceReader).ToArray(), Settings.Default.VideoSplitGap);
totalDuration += introSourceReader.Duration + mainReaders.Duration;
AVOperations.StartConcat(introSourceReader, introOverlay,
AVOperations.Concat(mainReaders, mainBodyOverlays, isAborted), isAborted);
}
else
{
var mainReaders = AVOperations.Combine(readers.Select(r => r.SourceReader).ToArray(), Settings.Default.VideoSplitGap);
totalDuration += mainReaders.Duration;
AVOperations.Concat(mainReaders, mainBodyOverlays, isAborted)(0, 0);
}
});
TraceInfo.WriteLineIf(highlights, "Done Transcoding highlights to {0}", transcoder.DestinationFile);
TraceInfo.WriteLineIf(!highlights, "Done Transcoding full replay to {0}", transcoder.DestinationFile);
}
catch (Exception e)
{
TraceError.WriteLine(e.Message);
TraceError.WriteLine(e.StackTrace);
throw e;
}
}
private ProcessSample ConnectStreams(IEnumerable <SourceReaderExtra> readers, SinkWriter sinkWriter)
{
foreach (var r in readers)
{
SetAudioMediaType(r.SourceReader);
SetVideoMediaType(r.SourceReader);
}
var sourceAudioStream = SetAudioMediaType(readers.First().SourceReader);
var sourceVideoStream = SetVideoMediaType(readers.First().SourceReader);
var sinkAudioStream = AddStream(sinkWriter, sourceAudioStream.CurrentMediaType, CreateTargetAudioMediaType(sourceAudioStream.NativeMediaType));
var sinkVideoStream = AddStream(sinkWriter, sourceVideoStream.CurrentMediaType, CreateTargetVideoMediaType(sourceVideoStream.NativeMediaType));
var saveAudio = AVOperations.MediaTypeChange(sinkAudioStream, AVOperations.SaveTo(sinkAudioStream));
var saveVideo = AVOperations.MediaTypeChange(sinkVideoStream, AVOperations.SaveTo(sinkVideoStream));
return(AVOperations.SeperateAudioVideo(saveAudio, saveVideo));
}
ProcessSample ApplyEdits(ProcessSample next)
{
var cut = next;
var raceEdits = leaderBoard.OverlayData.RaceEvents.GetRaceEdits();
if (raceEdits.Count() == 0)
{
throw new Exception("Unable to create highlight - try reducing time for highlight duration");
}
var firstEdit = raceEdits.First();
var lastEdit = raceEdits.Last();
foreach (var editCut in raceEdits)
{
cut = AVOperations.Cut(editCut.StartTime.FromSecondsToNano(), editCut.EndTime.FromSecondsToNano(), AVOperations.FadeInOut(cut));
totalDuration -= editCut.EndTime.FromSecondsToNano() - editCut.StartTime.FromSecondsToNano();
}
return(cut);
}
