private void addAudio_Click(object sender, EventArgs e)
{
OpenFileDialog openAudioForMixingWithVideo = new OpenFileDialog();
openAudioForMixingWithVideo.DefaultExt = "mp3";
//add supporting file types in this format
openAudioForMixingWithVideo.Filter = "MP3 files (.mp3)|*.mp3"
+ "|WMA files (.wma)|*.wma"
//add new file formats to support here
//format to use: "|FileFormat files (*.ext)|*.ext"
//example: "|WMV files (*.wmv)|*.wmv"
+ "|All files (*.*)|*.*";
openAudioForMixingWithVideo.FilterIndex = 1;
openAudioForMixingWithVideo.Multiselect = true;
openAudioForMixingWithVideo.ShowDialog();
//validate the file and mix it with video
if (openAudioForMixingWithVideo.FileName.Length > 0)
{
string args = "-y -i " + @"""" + previewVideoProcessing.URL + @"""" +
" -i " + @"""" + openAudioForMixingWithVideo.FileName.ToString() + @""""
+ " -vcodec copy -acodec copy "
+ @"""" + FFMpegProxy.getOutputFileName(previewVideoProcessing.URL, "_AudioMixedToVideo", Path.GetExtension(previewVideoProcessing.URL)) + @"""";
String commandResult = FFMpegProxy.runCommand(args);
if (commandResult != null)
{
MessageBox.Show("Unable to mix audio to video. Received an exception from the underlying FFMpeg library: " + commandResult);
}
}
}
private void createbwVideo_Click(object sender, EventArgs e)
{
try
{
string args = "-y -i " + @"""" + previewVideoProcessing.URL + @"""" + " -q:v 0 -vf format=gray " + @""""
+ FFMpegProxy.getOutputFileName(previewVideoProcessing.URL, "_Grayed") + @"""";
String commandResult = FFMpegProxy.runCommand(args);
if (commandResult != null)
{
MessageBox.Show("Unable to grayscale the video. Received an exception from the underlying FFMpeg library: " + commandResult);
}
}
catch (Exception)
{
MessageBox.Show("Open a file using File->Open and then choose an action to perform");
}
}
private void extractAudio_Click(object sender, EventArgs e)
{
try
{
string args = "-y -i " + @"""" + previewVideoProcessing.URL + @"""" + " -vn -ac 2 -ar 44100 -ab 320k -f mp3 " + @""""
+ FFMpegProxy.getOutputFileName(previewVideoProcessing.URL, "_AudioExtracted", ".mp3") + @"""";
String commandResult = FFMpegProxy.runCommand(args);
if (commandResult != null)
{
MessageBox.Show("Unable to extract the video. Received an exception from the underlying FFMpeg library: " + commandResult);
}
}
catch (Exception)
{
MessageBox.Show("Open a file using File->Open and then choose an action to perform");
}
}
private void speedVideo_Click(object sender, EventArgs e)
{
try
{
//Hardcoding the speed - this will create a 4X video
string args = "-y -i " + @"""" + previewVideoProcessing.URL + @"""" + " -r 16 -filter:v "
+ "\"setpts=0.250*PTS\"" + " -filter:a \"atempo=2.0,atempo=2.0\" " + @""""
+ FFMpegProxy.getOutputFileName(previewVideoProcessing.URL, "_faster", Path.GetExtension(previewVideoProcessing.URL)) + @"""";
String commandResult = FFMpegProxy.runCommand(args);
if (commandResult != null)
{
MessageBox.Show("Unable to speed up the video. Received an exception from the underlying FFMpeg library: " + commandResult);
}
}
catch (Exception)
{
MessageBox.Show("Open a file using File->Open and then choose an action to perform");
}
}
private void addWatermark_Click(object sender, EventArgs e)
{
try
{
OpenFileDialog openPNGForWatermark = new OpenFileDialog();
openPNGForWatermark.DefaultExt = "png";
//add supporting file types in this format
openPNGForWatermark.Filter = "PNG files (.png)|*.png";
openPNGForWatermark.FilterIndex = 1;
openPNGForWatermark.Multiselect = false;
openPNGForWatermark.ShowDialog();
//validate the file and show it in the player stub
if (openPNGForWatermark.FileName.Length <= 0)
{
MessageBox.Show("Please select a valid PNG file for watermarking");
openPNGForWatermark.ShowDialog();
}
string args = "-y -i " + @"""" + previewVideoProcessing.URL + @"""" + " -i " + @"""" + openPNGForWatermark.FileName.ToString() + @"""" +
" -q:v 0 -filter_complex overlay=\"(main_w/2)-(overlay_w/2):(main_h/2)-(overlay_h)/2\" " + @""""
+ FFMpegProxy.getOutputFileName(previewVideoProcessing.URL, "_Watermarked") + @"""";
String commandResult = FFMpegProxy.runCommand(args);
if (commandResult != null)
{
MessageBox.Show("Unable to grayscale the video. Received an exception from the underlying FFMpeg library: " + commandResult);
}
}
catch (Exception)
{
MessageBox.Show("Open a file using File->Open and then choose an action to perform");
}
}
