public void Init(string VideoFile, out uint FirstFrame, out uint LastFrame)
{
var ImagesDir = PrepVideo.GetImagesDir(VideoFile);
Background.ImagesDir = ImagesDir;
Background.FileExt = FILE_EXT;
rot180z = Quaternion.Euler(0, 0, 180);
var posFile = PrepVideo.GetPositionsFilePath(VideoFile);
GNSSTransform.InitModels();
GNSSTransform.CreateGNSSMarkers(posFile);
FirstFrame = UInt32.MaxValue;
LastFrame = 0;
foreach (var viewsChunk in AliceSfm.Load(ImagesDir))
{
var chunk = InitChunk(viewsChunk, posFile);
FirstFrame = Math.Min(FirstFrame, chunk.FirstFrame);
LastFrame = Math.Max(LastFrame, chunk.LastFrame);
ChunksSequence.AddChunk(chunk);
}
}
static void ImportVideo(string videoFile)
{
AutoResetEvent AbortEvent = new AutoResetEvent(false);
ImportStartedEvent?.Invoke(
videoFile,
() => AbortEvent.Set());
try
{
uint NumFrames;
PrepVideo.SplitFrames(
FFMPEG_BIN, videoFile, SplitProgress, AbortEvent,
out NumFrames);
MeshroomCompute.PhotogrammImages(
MESHROOM_COMPUTE_BIN, SENSOR_DATABASE, VOC_TREE,
PrepVideo.GetImagesDir(videoFile),
TIME_BASE, NumFrames, MeshroomProgress,
AbortEvent);
/*
* create positions file last, we use it to
* figure out if a video have been imported
*/
PrepVideo.ExtractSubtitles(FFMPEG_BIN, videoFile, AbortEvent);
ImportFinishedEvent?.Invoke();
VideoOpenedEvent?.Invoke(videoFile);
}
catch (ProcessAborted)
{
ImportCanceledEvent?.Invoke();
}
}