private FastBitmap GetBitmap(float time, MemoryStream stream)
{
FastBitmap result = null;
var ffMpeg = new NReco.VideoConverter.FFMpegConverter();
ffMpeg.GetVideoThumbnail(FilePath, stream, time);
if (stream.Length != 0)
{
Image img = Image.FromStream(stream);
result = new FastBitmap(new Bitmap(img, img.Width/Scale , img.Height/Scale));
}
return result;
}
/// <summary>
/// だいたい0.3秒おきの動画サムネイルを取得する
/// </summary>
/// <param name="videoPath">ビデオファイルパス</param>
/// <returns></returns>
public static IEnumerable <Bitmap> GetThumbnails(string videoPath)
{
// メタ情報で再生時間取得
var ffprob = new NReco.VideoInfo.FFProbe();
var info = ffprob.GetMediaInfo(videoPath);
var duration = info.Duration;
var videoConv = new NReco.VideoConverter.FFMpegConverter();
// 最短0.3秒おき、最大100分割
var skipSec = duration.TotalSeconds < 30 ?
0.3f : (float)(duration.TotalSeconds / 100);
var frameSec = 0f;
while ((float)duration.TotalSeconds > frameSec)
{
// Bitmapリソースは受信側で開放する。
var jpegStream = new MemoryStream();
videoConv.GetVideoThumbnail(videoPath, jpegStream, frameSec);
yield return((Bitmap)Image.FromStream(jpegStream));
frameSec += skipSec;
}
}
/*
* Listener for the Open button
* Used to get a frame from the video in the given in FilePath
* and set it as the thumbnail on the form
*/
private void Open_Click(object sender, EventArgs e)
{
//get thumbnail from video and save it as a jpg
string path = FilePath.Text.ToString();
var ffMpeg = new NReco.VideoConverter.FFMpegConverter();
ffMpeg.GetVideoThumbnail(path, "thumbnails/thumbnail.jpg", 1);
//set the picturebox to the thumbnail image
Thumbnail_Box.SizeMode = PictureBoxSizeMode.StretchImage;
Thumbnail_Box.Image = new Bitmap("thumbnails/thumbnail.jpg");
}
// Get the bitmap representing a video file
// Note that displayIntent is ignored as it's specific to interaction with WCF's bitmap cache, which doesn't occur in rendering video preview frames
public static BitmapSource GetBitmapFromVideoFile(string filePath, Nullable <int> desiredWidthOrHeight, ImageDisplayIntentEnum displayIntent, ImageDimensionEnum imageDimension, out bool isCorruptOrMissing)
{
if (!System.IO.File.Exists(filePath))
{
isCorruptOrMissing = true;
return(Constant.ImageValues.FileNoLongerAvailable.Value);
}
// Our FFMPEG installation is the 64 bit version. In case someone is using a 32 bit machine, we use the MediaEncoder instead.
if (Environment.Is64BitOperatingSystem == false)
{
// System.Diagnostics.Debug.Print("Can't use ffmpeg as this is a 32 bit machine. Using MediaEncoder instead");
return(BitmapUtilities.GetVideoBitmapFromFileUsingMediaEncoder(filePath, desiredWidthOrHeight, displayIntent, imageDimension, out isCorruptOrMissing));
}
try
{
//Saul TO DO:
// Note: not sure of the cost of creating a new converter every time. May be better to reuse it?
Stream outputBitmapAsStream = new MemoryStream();
FFMpegConverter ffMpeg = new NReco.VideoConverter.FFMpegConverter();
ffMpeg.GetVideoThumbnail(filePath, outputBitmapAsStream);
// Scale the video to the desired dimension
outputBitmapAsStream.Position = 0;
BitmapImage bitmap = new BitmapImage();
bitmap.BeginInit();
if (desiredWidthOrHeight != null)
{
if (imageDimension == ImageDimensionEnum.UseWidth)
{
bitmap.DecodePixelWidth = desiredWidthOrHeight.Value;
}
else
{
bitmap.DecodePixelHeight = desiredWidthOrHeight.Value;
}
}
bitmap.CacheOption = BitmapCacheOption.None;
bitmap.StreamSource = outputBitmapAsStream;
bitmap.EndInit();
bitmap.Freeze();
isCorruptOrMissing = false;
return(bitmap);
}
catch // (FFMpegException e)
{
// Couldn't get the thumbnail using FFMPEG. Fallback to try getting it using the MediaEncoder
return(GetVideoBitmapFromFileUsingMediaEncoder(filePath, desiredWidthOrHeight, displayIntent, imageDimension, out isCorruptOrMissing));
// We don't print the exception // (Exception exception)
// TraceDebug.PrintMessage(String.Format("VideoRow/LoadBitmap: Loading of {0} failed in Video - LoadBitmap. {0}", imageFolderPath));
}
}
private void button2_Click(object sender, EventArgs e)
{
string input = @"C:\Users\a\Videos\Debut\Untitled 7.avi";
string output = "C:\\test3.avi";
var setting = new NReco.VideoConverter.ConvertSettings();
setting.SetVideoFrameSize(1280, 720);
setting.CustomInputArgs = "-ss 00:00:00 -t 00:00:10";
// setting.CustomOutputArgs = "-vf vflip";
setting.CustomOutputArgs = "-vf \"movie=logo.png [watermark]; [in][watermark] overlay=main_w-overlay_w-10:main_h-overlay_h-10 [out]\"";
// Top left corner
//ffmpeg -i inputvideo.avi -vf "movie=watermarklogo.png [watermark]; [in][watermark] overlay=10:10 [out]" outputvideo.flv
//Top right corner
//ffmpeg -i inputvideo.avi -vf "movie=watermarklogo.png [watermark]; [in][watermark] overlay=main_w-overlay_w-10:10 [out]" outputvideo.flv
//Bottom left corner
//ffmpeg -i inputvideo.avi -vf "movie=watermarklogo.png [watermark]; [in][watermark] overlay=10:main_h-overlay_h-10 [out]" outputvideo.flv
//Bottom right corner
//ffmpeg -i inputvideo.avi -vf "movie=watermarklogo.png [watermark]; [in][watermark] overlay=main_w-overlay_w-10:main_h-overlay_h-10 [out]" outputvideo.flv
var ffMpeg = new NReco.VideoConverter.FFMpegConverter();
ffMpeg.ConvertProgress += FfMpeg_ConvertProgress;
ffMpeg.GetVideoThumbnail(input, "temp.jpg", 10.0f);
System.IO.FileStream hStream = new System.IO.FileStream("temp.jpg", System.IO.FileMode.Open);
this.pictureBox1.Image = Image.FromStream(hStream);
// FileStream を閉じる (正しくは オブジェクトの破棄を保証する を参照)
hStream.Close();
return;
//ffMpeg.ConvertMedia(input, null, output, null, setting);
ffMpeg.ConvertMedia(input, null, output, NReco.VideoConverter.Format.mp4, setting);
//
NReco.VideoConverter.ConcatSettings set = new NReco.VideoConverter.ConcatSettings();
set.SetVideoFrameSize(640, 480);
//ffMpeg.ConcatMedia(_fileNames, videoRootPath + tobename + ".mp4", NReco.VideoConverter.Format.mp4, set);
this.Text = "FINISH";
}
private void ChooseVidBtn_Click(object sender, EventArgs e)
{
PreviewImg.SetLength(0);
PreviewImg.Position = 0;
VideoFileChooser.Filter = "Video File|*.avi;*.mpeg;*.flv;*.mov;*.ogg;*.mp4;*.wmv;*.mkv;*.h264";
VideoFileChooser.FileName = "";
DialogResult result = VideoFileChooser.ShowDialog();
if (result == DialogResult.OK && !string.IsNullOrWhiteSpace(VideoFileChooser.FileName))
{
var ffMpeg = new NReco.VideoConverter.FFMpegConverter();
var ffMpegInput = new NReco.VideoConverter.FFMpegInput(VideoFileChooser.FileName.ToString());
ffMpeg.GetVideoThumbnail(VideoFileChooser.FileName.ToString(), PreviewImg);
ThumbNailPicture.Image = Image.FromStream(PreviewImg);
EnableWatermarkChkBx.Enabled = true;
}
}
void SetImageSource(FileInfo fileInfo, Image source, int timeCode = 0)
{
MemoryStream imageStream = new MemoryStream();
source.Resources["path"] = fileInfo.FullName;
// image
if (timeCode == 0)
{
try
{
BitmapImage LoadImage = new BitmapImage();
LoadImage.BeginInit();
LoadImage.UriSource = new Uri(fileInfo.FullName);
LoadImage.EndInit();
LoadImage.Freeze();
source.Source = LoadImage;
}
catch (Exception e)
{
Console.Write(e.Data);
}
}
// video
else
{
NReco.VideoConverter.FFMpegConverter ffMpeg = new NReco.VideoConverter.FFMpegConverter();
ffMpeg.GetVideoThumbnail(fileInfo.FullName, imageStream, timeCode);
imageStream.Seek(0, SeekOrigin.Begin);
using (var stream = imageStream)
{
var bitmap = new BitmapImage();
bitmap.BeginInit();
bitmap.StreamSource = stream;
bitmap.CacheOption = BitmapCacheOption.OnLoad;
bitmap.EndInit();
bitmap.Freeze();
source.Source = bitmap;
}
}
}
private void getIconImage(MediaSingleElement tmpmedia, string extension)
{
if (!tmpmedia.Extension.Equals(".mp3"))
{
var ffMpeg = new NReco.VideoConverter.FFMpegConverter();
using (MemoryStream sampleStream = new MemoryStream())
{
ffMpeg.GetVideoThumbnail(new Uri(tmpmedia.mediaUri).LocalPath, sampleStream, 2);
sampleStream.Seek(0, SeekOrigin.Begin);
var bitmapImage = new BitmapImage();
bitmapImage.BeginInit();
bitmapImage.CacheOption = BitmapCacheOption.OnLoad;
bitmapImage.StreamSource = sampleStream;
bitmapImage.EndInit();
tmpmedia.IconImage = bitmapImage;
}
}
else
{
tmpmedia.IconImage = new BitmapImage(new Uri("pack://application:,,,/XMediaPlayer;component/Icons/mp3.png"));
}
}
private void lbVideos_SelectedIndexChanged(object sender, EventArgs e)
{
try
{
string videofile = @"C:\\Users\\BePulverized\\Videos\\Recordings\\" + lbVideos.SelectedItem.ToString();
var ffmpeg = new NReco.VideoConverter.FFMpegConverter();
string thumbnail = @"C:\\Users\\BePulverized\\Videos\\Recordings\\" + lbVideos.SelectedItem.ToString() +
".jpg";
ffmpeg.GetVideoThumbnail(videofile, thumbnail, 20);
pbThumbnail.ImageLocation = @"C:\\Users\\BePulverized\\Videos\\Recordings\\" +
lbVideos.SelectedItem.ToString() + ".jpg";
string date = videofile.Substring(videofile.IndexOf('_') + 1);
int index = date.IndexOf(".");
if (index > 0)
{
date = date.Substring(0, index);
}
lbRecorded.Text = "Recorded: " + date;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
