public async Task <bool> CreateVideoAsync(IProgress <VideoProgress> progress, CancellationToken ct)
{
return(await Task.Run(async() =>
{
var video = await TwitchDownloader.DownloadVideoInfoAsync(ID, progress, ct);
if (video?.ID == null)
{
return false;
}
var bits = await TwitchDownloader.DownloadBitsAsync(video.StreamerID, progress, ct);
var badges = await TwitchDownloader.DownloadBadgesAsync(video.StreamerID, progress, ct);
var bttv = await BTTV.CreateAsync(video.StreamerID, progress, ct);
var ffz = await FFZ.CreateAsync(video.Streamer, progress, ct);
var messages = await TwitchDownloader.GetChatAsync(ID, video.Duration, progress, ct);
if (ct.IsCancellationRequested)
{
return false;
}
using (var chat_handler = new ChatHandler(this, bttv, ffz, badges, bits))
{
int current = 0;
try
{
var drawables = messages?.Select(m =>
{
progress?.Report(new VideoProgress(++current, messages.Count, VideoProgress.VideoStatus.Drawing));
return chat_handler.MakeDrawableMessage(m);
}).ToList();
var max = (int)(FPS *video.Duration);
var path = string.Format("{0}{1}-{2}.mp4", OutputDirectory, video.Streamer, video.ID);
var result = await WriteVideoFrames(path, drawables, 0, max, progress, ct);
progress?.Report(new VideoProgress(1, 1, VideoProgress.VideoStatus.CleaningUp));
drawables.ForEach(d => d.Lines.ForEach(l => l.Drawables.ForEach(dr => dr.Dispose())));
return result;
}
catch (Exception e)
{
using (StreamWriter w = File.AppendText("error.txt"))
{
w.WriteLine($"{DateTime.Now.ToLongTimeString()} : {e.ToString()}");
}
return false;
};
}
}));
}
public ChatHandler(ChatVideo cv, BTTV bttv, FFZ ffz, Badges badges, Bits bits)
{
Font = (Font)cv.Font.Clone();
BoldFont = new Font(Font, FontStyle.Bold);
ChatColor = Color.FromArgb(cv.ChatColor.A, cv.ChatColor.R, cv.ChatColor.G, cv.ChatColor.B);
BGColor = Color.FromArgb(cv.BGColor.A, cv.BGColor.R, cv.BGColor.G, cv.BGColor.B);
Width = cv.Width;
Spacing = cv.LineSpacing;
ShowBadges = cv.ShowBadges;
BTTV = bttv;
FFZ = ffz;
Badges = badges;
Bits = bits;
}
public DrawableMessage MakeDrawableMessage(ChatMessage message)
{
var lines = new List <Line>();
// \p{Cs} or \p{Surrogate}: one half of a surrogate pair in UTF-16 encoding.
var words = Regex.Replace(message.Text, @"\p{Cs}\p{Cs}", m =>
{
message.Emotes?.Where(e => e.Begin > m.Index)?.ToList().ForEach(e2 => e2.Begin += 1);
return(Emoji.Exists(m.Value) ? ' ' + m.Value + ' ' : "?");
}).Split(' ').Where(s => s != string.Empty);
var builder = new StringBuilder();
float x = ChatVideo.HorizontalPad;
float y = 0;
float maximum_y_offset = 0;
int cursor = 0;
List <Drawable> dl = new List <Drawable>();
var user_tag = message.Name + ": ";
var user_size = MeasureText(user_tag, BoldFont, (int)Width);
if (ShowBadges)
{
message.Badges?.ForEach(b =>
{
var img = Badges?.Lookup(b.ID, b.Version);
if (img != null)
{
var align_vertical = user_size.Height * .5f - img.Height * .5f;
if (align_vertical < 0)
{
maximum_y_offset = Math.Max(Math.Abs(align_vertical), maximum_y_offset);
}
var badge = new Badge(x, align_vertical, img);
dl.Add(badge);
x += img.Width + ChatVideo.BadgePad;
}
});
}
var color = Colors.GetCorrected(message.Color, BGColor, message.Name);
dl.Add(new User(x, y, user_size.Height, user_tag, color, BoldFont));
x += user_size.Width;
Action new_line = delegate
{
y += maximum_y_offset;
var line = new Line(ChatVideo.HorizontalPad, y, Font.Height + maximum_y_offset, dl);
lines.Add(line);
y += maximum_y_offset + line.Height;
maximum_y_offset = 0;
dl = new List <Drawable>();
x = ChatVideo.HorizontalPad;
};
Action empty_builder = delegate
{
var txt = builder.ToString();
var sz = MeasureText(txt, Font, (int)Width);
dl.Add(new Text(x, 0, sz.Height, txt, ChatColor, Font));
builder.Clear();
x += sz.Width;
};
foreach (var word in words)
{
var emote = Emoji.GetEmoji(word) ?? FFZ?.GetEmote(word) ?? BTTV?.GetEmote(word) ??
TwitchEmote.GetEmote(message.Emotes?.FirstOrDefault(e => e.Begin == cursor)?.ID);
cursor += word.Length + 1;
if (emote != null)
{
if (builder.Length > 0)
{
builder.Append(' ');
empty_builder();
}
if (x + emote.Width + 2 * ChatVideo.HorizontalPad > Width)
{
new_line();
}
var align_vertical = Font.Height * .5f - emote.Height * .5f;
if (align_vertical < 0)
{
maximum_y_offset = Math.Max(Math.Abs(align_vertical), maximum_y_offset);
}
x += ChatVideo.EmotePad;
dl.Add(new Emote(x, align_vertical, emote));
x += emote.Width;
continue;
}
var cheer = message.Content.Bits > 0 ? Bits?.GetCheer(word) : default(Bits.Cheer);
if (cheer?.Amount > 0)
{
var ch = cheer.Value;
if (builder.Length > 0)
{
builder.Append(' ');
empty_builder();
}
if (x + ch.Emote.Width + 2 * ChatVideo.HorizontalPad > Width)
{
new_line();
}
var align_vertical = Font.Height * .5f - ch.Emote.Height * .5f;
if (align_vertical < 0)
{
maximum_y_offset = Math.Max(Math.Abs(align_vertical), maximum_y_offset);
}
x += ChatVideo.EmotePad;
dl.Add(new Emote(x, align_vertical, ch.Emote));
x += ch.Emote.Width;
var cheer_amount = cheer?.Amount.ToString();
var sz = MeasureText(cheer_amount, Font, (int)Width);
if (x + sz.Width + 2 * ChatVideo.HorizontalPad >= Width)
{
new_line();
}
dl.Add(new Text(x, 0, sz.Height, cheer_amount, ch.Color, Font));
x += sz.Width;
continue;
}
var text = builder.ToString();
var word_tag = word + ' ';
var size = MeasureText(text + word_tag, Font, (int)Width);
if (x + size.Width + 2 * ChatVideo.HorizontalPad >= Width)
{
empty_builder();
new_line();
builder.Append(word_tag);
}
else
{
builder.Append(word_tag);
}
}
if (builder.Length > 0)
{
var text = builder.ToString();
var size = MeasureText(text, Font, (int)Width);
dl.Add(new Text(x, 0, size.Height, text, ChatColor, Font));
}
if (dl.Count > 0)
{
lines.Add(new Line(ChatVideo.HorizontalPad, y + maximum_y_offset, Font.Height + maximum_y_offset, dl));
}
return(new DrawableMessage {
Lines = lines,
StartFrame = (uint)(message.TimeOffset * ChatVideo.FPS),
Live = message.Source == "chat",
});
}