How to made audio volume envelope effect in Video Edit SDK .Net
1. Create audio source for a specified file.
var audioFile = new VFVEAudioSource(file, segments, null);
2. Create audio volume envelope effect, 70% value used. Can be 0 - 100%.
streams.Add(new VFVEFFMPEGStream
{
Filename = "c:\\samples\\!video.avi",
ID = "v"
});
Add audio stream from mp3 file. ID set to "a" to add audio stream. Must be "a" for audio files.
var envelope = new VFVEAudioVolumeEnvelopeEffect(70);
Add audio stream from another AVI file. ID set to "a" to add audio stream from video file.
streams.Add(new VFVEFFMPEGStream
{
Filename = "c:\\samples\\!video2.avi",
ID = "a"
});
3. Add audio source with effect applied to timeline.
VideoEdit1.Input_AddAudioFile(audioFile, 0, 0, new []{ envelope });
