private static void EncodeTo3gpIfRequired(ApplicationOptions options, string timelineOutputFile)
{
if (options.EncodeTo3gpWithFfmpeg)
{
if (!File.Exists(options.FfmpegPath))
{
throw new Exception("Can not find ffmpeg, please supply full path to executable if not in current directory");
}
string arguments = string.Format("-i {0} -s qcif -vcodec h263 -acodec aac -ac 1 -ar 8000 -r {1} -ab 32 -y {2}", timelineOutputFile, options.FPS,
options.OutputVideo);
Console.WriteLine("Converting file: {0} to 3gp file: {1} using FFMPEG", timelineOutputFile, options.OutputVideo);
var info = new ProcessStartInfo(options.FfmpegPath, arguments)
{
UseShellExecute = false,
CreateNoWindow = true,
RedirectStandardOutput = true,
RedirectStandardError = true,
WindowStyle = ProcessWindowStyle.Hidden
};
Process.Start(info).WaitForExit();
File.Delete(timelineOutputFile);
}
}
private static void Main(string[] args)
{
Console.WriteLine("Splicer.SlideShowConsole version: {0}", typeof (Program).Assembly.GetName().Version);
try
{
var options = new ApplicationOptions();
if (Parser.ParseArgumentsWithUsage(args, options) == false)
Environment.Exit(2);
ValidateApplicationOptions(options);
RenderVideo(options);
}
catch (Exception ex)
{
Console.Error.WriteLine("Exception occured while generating video, trace follows");
Console.Error.WriteLine(ex.ToString());
Environment.Exit(3);
}
}
private static string GenerateIntermediateFileName(ApplicationOptions options)
{
return("raw_" + Guid.NewGuid() + ((options.Renderer == OutputRenderer.WMV) ? ".wmv" : ".avi"));
}
private static void PopulateTimeline(ApplicationOptions options, ITimeline timeline)
{
IGroup group = timeline.AddVideoGroup(32, options.Width, options.Height);
ITrack audioTrack = timeline.AddAudioGroup().AddTrack();
IClip audioClip = audioTrack.AddAudio(options.SoundtrackFile);
ITrack videoTrack = group.AddTrack();
double step = audioClip.Duration/options.SourceImage.Length;
for (int i = 0; i < options.SourceImage.Length; i++)
{
videoTrack.AddImage(options.SourceImage[i], 0, step);
}
}
private static string GenerateIntermediateFileName(ApplicationOptions options)
{
return ("raw_" + Guid.NewGuid() + ((options.Renderer == OutputRenderer.WMV) ? ".wmv" : ".avi"));
}
private static void ValidateApplicationOptions(ApplicationOptions options)
{
if (!File.Exists(options.SoundtrackFile))
{
throw new Exception(string.Format("Could not find sound track file: {0}", options.SoundtrackFile));
}
if (options.SourceImage == null || options.SourceImage.Length == 0)
throw new Exception("No source images were supplied, you must supply at least one source image");
foreach (string imageFile in options.SourceImage)
{
if (!File.Exists(imageFile))
{
throw new Exception(string.Format("No image file could be find with the path: {0}", imageFile));
}
}
}
private static void RenderVideo(ApplicationOptions options)
{
using (ITimeline timeline = new DefaultTimeline(options.FPS))
{
PopulateTimeline(options, timeline);
string timelineOutputFile = (options.EncodeTo3gpWithFfmpeg) ? GenerateIntermediateFileName(options) : options.OutputVideo;
var renderer = (options.Renderer == OutputRenderer.WMV)
? (AbstractRenderer) new WindowsMediaRenderer(timeline, timelineOutputFile, WindowsMediaProfiles.HighQualityVideo)
: new AviFileRenderer(timeline, timelineOutputFile);
Stopwatch watch = Stopwatch.StartNew();
RenderVideoUsingSplicer(renderer);
EncodeTo3gpIfRequired(options, timelineOutputFile);
Console.WriteLine("Render completed in {0}ms", watch.ElapsedMilliseconds);
}
}
