public override VideoSummary ExtractSummary(string filePath, int thumbsToGet, Size maxSize)
{
VideoSummary summary = new VideoSummary(filePath);
OpenVideoResult res = LoadFile(filePath, false);
FrameDimension dimension = new FrameDimension(gif.FrameDimensionsList[0]);
if (res == OpenVideoResult.Success)
{
summary.IsImage = count == 1;
summary.DurationMilliseconds = (int)((double)count * videoInfo.FrameIntervalMilliseconds);
summary.Framerate = videoInfo.FramesPerSeconds;
if (thumbsToGet > 0)
{
int step = (int)Math.Ceiling(count / (double)thumbsToGet);
for (int i = 0; i < count; i += step)
{
summary.Thumbs.Add(GetFrameAt(dimension, i));
}
}
summary.ImageSize = videoInfo.OriginalSize;
}
if (loaded)
{
Close();
}
gif.Dispose();
return(summary);
}
public override VideoSummary ExtractSummary(string filePath, int thumbs, Size maxSize)
{
OpenVideoResult res = Open(filePath);
VideoSummary summary = new VideoSummary(filePath);
if (res != OpenVideoResult.Success || generator == null)
{
return(summary);
}
SystemBitmap bmp = generator.Generate(0);
Size size = bmp.Size;
summary.ImageSize = size;
// TODO: compute the correct ratio stretched size. Currently this uses the maxSize.width
// which is not the actual final width of the thumbnail if the ratio is more vertical than 4:3.
int height = (int)(size.Height / ((float)size.Width / maxSize.Width));
SystemBitmap thumb = new SystemBitmap(maxSize.Width, height);
Graphics g = Graphics.FromImage(thumb);
g.DrawImage(bmp, 0, 0, maxSize.Width, height);
g.Dispose();
Close();
summary.Thumbs.Add(thumb);
summary.IsImage = true;
summary.DurationMilliseconds = 0;
return(summary);
}
public override VideoSummary ExtractSummary(string filePath, int thumbs, Size maxSize)
{
VideoSummary summary = new VideoSummary(filePath);
OpenVideoResult res = Open(filePath);
if (res != OpenVideoResult.Success || generator == null)
{
return(summary);
}
Bitmap bmp = generator.Generate(0, maxSize);
Size size = bmp.Size;
summary.ImageSize = size;
int height = (int)(size.Height / ((float)size.Width / maxSize.Width));
Bitmap thumb = new Bitmap(maxSize.Width, height);
Graphics g = Graphics.FromImage(thumb);
g.DrawImage(bmp, 0, 0, maxSize.Width, height);
g.Dispose();
Close();
summary.Thumbs.Add(thumb);
summary.DurationMilliseconds = (int)((videoInfo.DurationTimeStamps - videoInfo.AverageTimeStampsPerFrame) * videoInfo.FrameIntervalMilliseconds);
summary.Framerate = videoInfo.FramesPerSeconds;
summary.IsImage = false;
return(summary);
}
public override VideoSummary ExtractSummary(string filePath, int thumbs, Size maxSize)
{
VideoSummary summary = new VideoSummary(filePath);
OpenVideoResult res = Open(filePath);
if (res != OpenVideoResult.Success || generator == null)
{
return(summary);
}
Bitmap bmp = generator.Generate(0, maxSize);
Bitmap thumb = new Bitmap(bmp.Width, bmp.Height);
Graphics g = Graphics.FromImage(thumb);
g.DrawImage(bmp, 0, 0, bmp.Width, bmp.Height);
g.Dispose();
Close();
summary.Thumbs.Add(thumb);
summary.IsImage = true;
summary.ImageSize = Size.Empty;
summary.DurationMilliseconds = 0;
return(summary);
}
public VideoFile(VirtualPathProvider provider, Video vippyVideo)
: base(provider.RootDirectory, provider, CreateVideoPath(provider, vippyVideo), true)
{
_provider = provider;
_vippyVideo = vippyVideo;
_videoSummary = new VideoSummary(this, vippyVideo);
}
private void bgWorker_DoWork(object sender, DoWorkEventArgs e)
{
// Note: having one background worker per file and running them all in parallel was tested
// but it does more harm than good.
BackgroundWorker bgWorker = sender as BackgroundWorker;
List <string> filenames = e.Argument as List <string>;
if (filenames.Count < 1 || bgWorker == null)
{
e.Result = null;
return;
}
for (int i = 0; i < filenames.Count; i++)
{
if (bgWorker.CancellationPending)
{
break;
}
string filename = filenames[i];
VideoSummary summary = null;
try
{
if (string.IsNullOrEmpty(filename))
{
continue;
}
string extension = Path.GetExtension(filename);
VideoReader reader = VideoTypeManager.GetVideoReader(extension);
int numberOfThumbnails = 5;
if (reader != null)
{
summary = reader.ExtractSummary(filename, numberOfThumbnails, maxImageSize);
}
}
catch (Exception exp)
{
log.ErrorFormat("Error while extracting video summary for {0}.", filename);
log.Error(exp);
}
if (summary == null)
{
summary = new VideoSummary(filename);
}
bgWorker.ReportProgress(i, summary);
}
}
public void Populate(VideoSummary summary)
{
m_Loaded = true;
if (summary == null || summary.Thumbs == null || summary.Thumbs.Count < 1)
{
DisplayAsError();
}
else
{
m_Bitmaps = summary.Thumbs;
if (m_Bitmaps != null && m_Bitmaps.Count > 0)
{
currentThumbnailIndex = 0;
currentThumbnail = m_Bitmaps[currentThumbnailIndex];
}
if (summary.IsImage)
{
m_bIsImage = true;
details.Details[FileProperty.Duration] = "0";
}
else
{
details.Details[FileProperty.Duration] = TimeHelper.MillisecondsToTimecode((double)summary.DurationMilliseconds, false, true);
details.Details[FileProperty.Framerate] = string.Format("{0:0.##} fps", summary.Framerate);
}
if (summary.ImageSize == Size.Empty)
{
details.Details[FileProperty.Size] = "";
}
else
{
details.Details[FileProperty.Size] = string.Format("{0}×{1}", summary.ImageSize.Width, summary.ImageSize.Height);
}
hasKva = summary.HasKva;
if (hasKva)
{
details.Details[FileProperty.HasKva] = "kva";
}
details.Details[FileProperty.CreationTime] = string.Format("{0:g}", summary.Creation);
SetSize(this.Width, this.Height);
}
}
public SubtitleInfo PostVideo(AmaraSubtitleJob vj)
{
VideoSummary vs = null;
if (vj.VideoUrl.Contains("youtube") || vj.VideoUrl.Contains("vimeo") || vj.VideoUrl.Contains("dailymotion"))
{
vs = new VideoSummary()
{
VideoUrl = vj.VideoUrl//"http://www.youtube.com/watch?v=cJs7obmEABE"//"https://www.youtube.com/watch?v=RdKAVE0frIM&ab_channel=BBC"
};
}
else
{
if (vj.VideoUrl.Contains("localhost"))
{
vj.VideoUrl = "http://2.109.50.18:5150/dist/test.webm";
}
vs = new VideoSummary()
{
VideoUrl = vj.VideoUrl,
//Title = vj.FileName,
//Description = "a video uploaded by RoboBraille",
//Duration = 80,
//PrimaryAudioLanguageCode = vj.SubtitleLangauge,
//Thumbnail = "http://www.robobraille.org/sites/default/files/webrobo_logo.jpg",
//Metadata = new Dictionary<string, string>() { {"location","dk"} },
//Team = "RoboBraille",
//Project = "P4All"
};
}
SubtitleInfo si = vcc.RequestVideoSubtitle(vs, vj.SubtitleLangauge, vj.SubtitleFormat);
if (File.Exists(distFile))
{
File.Delete(distFile);
}
return(si);
}
private static void TestPostVideo()
{
VideoSummary vs = new VideoSummary()
{
VideoUrl = "http://www.youtube.com/watch?v=cJs7obmEABE"//"https://www.youtube.com/watch?v=RdKAVE0frIM&ab_channel=BBC"
};
string subLang = "dk";
string subFormat = "txt";
SubtitleInfo si = vcc.RequestVideoSubtitle(vs, subLang, subFormat);
switch (si.Status)
{
case VideoSubtitleStatus.Complete:
break;
case VideoSubtitleStatus.SubtitleRequested:
Console.WriteLine("Video exists, but subtitle does not, request for subtitle is made.");
break;
case VideoSubtitleStatus.Error:
Console.WriteLine("Error happened!");
break;
case VideoSubtitleStatus.Exists:
byte[] res = vcc.GetVideoSubtitle(si.VideoId, subLang, subFormat).SubtitleData;
Console.WriteLine("Result: " + Encoding.Default.GetString(res));
break;
case VideoSubtitleStatus.NotComplete: break;
case VideoSubtitleStatus.Submitted:
Console.WriteLine("Video with id {1} has been submitted for manual subtitling. You'll get notified when it's ready by pigeon!", si.VideoId);
break;
default: break;
}
}
public SummaryLoadedEventArgs(VideoSummary summary, int progress)
{
this.Summary = summary;
this.Progress = progress;
}
public VideoFile(VirtualPathProvider provider, string filename)
: base(provider.RootDirectory, provider, CreateVideoPathFromFileName(provider, filename), true)
{
_provider = provider;
_videoSummary = new VideoSummary(this, filename);
}
