//****************************************************************************
//*      Program: Fix30pMedia.cs
//*       Author: John Rofrano
//*  Description: This script changes the playback rate of 30p media to 29.97
//*      Created: July 25, 2010
//*      Updated: Jul 28, 2010 (JR) Added Disable Resample
//*               Aug  4, 2010 (JR) Changed audio to match video
//*
//*    Copyright: (c) 2010, Sundance Media Group / VASST. All Rights Reserved
//****************************************************************************
using System;
using System.Collections;
using System.Windows.Forms;
using Sony.Vegas;

class EntryPoint
{
    public void FromVegas(Vegas vegas)
    {
        int counter = 0;
        try
        {
            foreach (Track track in vegas.Project.Tracks)
            {
                if (!track.IsVideo()) continue;

                foreach (VideoEvent videoEvent in track.Events)
                {
                    VideoStream videoStream = videoEvent.ActiveTake.MediaStream as VideoStream;
                    decimal frameRate = Math.Round((decimal)videoStream.FrameRate, 2);

                    // only affect 30fps media
                    if (frameRate == 30.00m)
                    {
                        videoEvent.AdjustPlaybackRate(0.999, true);
                        videoEvent.ResampleMode = VideoResampleMode.Disable;
                        counter++;

                        // check for audio in the same file and change it too
                        if (videoEvent.IsGrouped)
                        {
                            foreach (TrackEvent trackEvent in videoEvent.Group)
                            {
                                if (!trackEvent.IsAudio()) continue;

                                // see if they are from the same file
                                if (trackEvent.ActiveTake != null && trackEvent.ActiveTake.MediaPath.Equals(videoEvent.ActiveTake.MediaPath))
                                {
                                    AudioEvent audioEvent = trackEvent as AudioEvent;
                                    audioEvent.AdjustPlaybackRate(0.999, true);
                                }
                            }
                        }
                    }
                }
            }

            // let the user know we are done
            MessageBox.Show(String.Format("{0} events changed", counter), "Complete", MessageBoxButtons.OK, MessageBoxIcon.Information);
        }
        catch (Exception e)
        {
            MessageBox.Show(e.Message, "Unexpected Error", MessageBoxButtons.OK, MessageBoxIcon.Stop);
        }
    }
}