Stream custom live channels using your own media
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using System.Text;
using ErsatzTV.Core.Domain;
namespace ErsatzTV.Core.Iptv;
public class ChannelPlaylist
{
private readonly List<Channel> _channels;
private readonly string _host;
private readonly string _scheme;
public ChannelPlaylist(string scheme, string host, List<Channel> channels)
{
_scheme = scheme;
_host = host;
_channels = channels;
}
public string ToM3U()
{
var sb = new StringBuilder();
var xmltv = $"{_scheme}://{_host}/iptv/xmltv.xml";
sb.AppendLine($"#EXTM3U url-tvg=\"{xmltv}\" x-tvg-url=\"{xmltv}\"");
foreach (Channel channel in _channels.OrderBy(c => decimal.Parse(c.Number)))
{
string logo = Optional(channel.Artwork).Flatten()
.Filter(a => a.ArtworkKind == ArtworkKind.Logo)
.HeadOrNone()
.Match(
artwork => $"{_scheme}://{_host}/iptv/logos/{artwork.Path}.jpg",
() => $"{_scheme}://{_host}/iptv/images/ersatztv-500.png");
string shortUniqueId = Convert.ToBase64String(channel.UniqueId.ToByteArray())
.TrimEnd('=')
.Replace("/", "_")
.Replace("+", "-");
string format = channel.StreamingMode switch
{
StreamingMode.HttpLiveStreamingDirect => "m3u8?mode=hls-direct",
StreamingMode.HttpLiveStreamingSegmenter => "m3u8?mode=segmenter",
StreamingMode.TransportStreamHybrid => "ts",
_ => "ts?mode=ts-legacy"
};
string vcodec = channel.FFmpegProfile.VideoFormat.ToString().ToLowerInvariant();
string acodec = channel.FFmpegProfile.AudioFormat.ToString().ToLowerInvariant();
sb.AppendLine(
$"#EXTINF:0 tvg-id=\"{channel.Number}.etv\" channel-id=\"{shortUniqueId}\" channel-number=\"{channel.Number}\" CUID=\"{shortUniqueId}\" tvg-chno=\"{channel.Number}\" tvg-name=\"{channel.Name}\" tvg-logo=\"{logo}\" group-title=\"{channel.Group}\" tvc-stream-vcodec=\"{vcodec}\" tvc-stream-acodec=\"{acodec}\", {channel.Name}");
sb.AppendLine($"{_scheme}://{_host}/iptv/channel/{channel.Number}.{format}");
}
return sb.ToString();
}
}