/// <summary>Atver kārtējo MP3 fragmentu kā <see cref="sourceStream"/>.</summary>
public override async Task Open()
{
try {
if (urlFormat == null)
{
using (var client = new ProperWebClient(System.Text.Encoding.ASCII)) {
string playlist = await client.DownloadStringTaskAsync(baseUrl + "chunklist.m3u8");
urlFormat = baseUrl + "media_{0}.mp3" + new Regex("\\?wowzasessionid=([0-9]+)").Match(playlist).Value;
chunkIdx = int.Parse(new Regex("MEDIA-SEQUENCE:([0-9]+)").Match(playlist).Groups[1].Value);
}
}
else if (sourceStream != null)
{
sourceStream.Dispose();
}
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(string.Format(urlFormat, chunkIdx));
request.ApplyProxy(); request.Timeout = 3000; // Trīs sekundes.
HttpWebResponse response = (HttpWebResponse)(await request.GetResponseAsync());
sourceStream = response.GetResponseStream();
} catch (Exception) {
// Lai nākošreiz mēģina iegūt jaunu atskaņošanas adresi.
urlFormat = null;
throw;
}
chunkIdx++;
}
private async void Window_Loaded(object sender, EventArgs e) {
// [{"id":"988747","artist":"Phoenix","title":"Armistice (Live at Hordern Pavilion, Sydney, 2010)","runtime":"197.037","airtime":"2013-12-24 14:09:35","status":"playing","song_id":"929","artist_id":"299","station_id":"1","images":{"ios":"http:\/\/cdn.pieci.lv\/images\/phoenix-ios.jpg","metadata":{"ios":null,"android":null,"desktop":null},"android":"http:\/\/cdn.pieci.lv\/images\/phoenix-android.jpg","desktop":"http:\/\/cdn.pieci.lv\/images\/phoenix-desktop.jpg"}}, ... ]
// Novērots, ka sarakstā dziesmas atkārtojas ar vienādu laiku, bet dažadiem ID.
using (var client=new ProperWebClient()) {
list.ItemsSource=
from song in (await client.GetJson(url)).Elements("item")
let title=song.Element("title").Value
let splitIdx=title.IndexOf('(')
select new PlaylistItem {
StartTime=TimeZoneInfo.ConvertTime(DateTime.ParseExact(song.Element("airtime").Value, PieciGuide.TimeFormat, CultureInfo.InvariantCulture), timezone, TimeZoneInfo.Local),
Duration=TimeSpan.FromSeconds(double.Parse(song.Element("runtime").Value, CultureInfo.InvariantCulture)),
Artist=song.Element("artist").Value,
Caption=splitIdx < 1 ? title:title.Substring(0, splitIdx-1), // -1 tukšumam pirms iekavas. <1, jo var būt nosaukums, kurš viss iekavās
Description=splitIdx < 1 ? null:title.Substring(splitIdx+1, title.Length-splitIdx-2) // -2 iekavām
};
}
}
public override Channel GetChannel(uint id) {
if (brand == null)
brand=new Brand(Colors.White, 0x606060.ToColor(), Colors.White, 0x6C54D5.ToColor(),
0x6C54D5.ToColor(), 0x483998.ToColor(), Colors.Black, Colors.Black);
if (id == 0 && Channels.ContainsKey(0)) // Nav izvēlēts neviens kanāls.
return new EmptyChannel("101.ru", GetResourceImage("101ru.png"), brand, new ChannelMenu());
var channel=channels.FirstOrDefault(c => c.Id == id);
if (channel == null) throw new ChannelNotFoundException(id);
BitmapSource logo=GetCachedImage(id.ToString());
if (logo == null)
using (var client=new ProperWebClient()) {
using (Stream imageStreamSource=client.OpenRead(channel.LogoUrl))
using (var srcBitmap=new D.Bitmap(imageStreamSource)) // Drawing.Bitmap, lai WPF neizstieptu attēlu, pārrēķinot DPI.
// Ielādē caurspīdīguma masku, kura izveidota, apgriežot krāsas oriģinālajā cover_000_round.png.
using (D.Bitmap bitmap=(D.Bitmap)D.Bitmap.FromStream(System.Reflection.Assembly.GetExecutingAssembly().GetManifestResourceStream(this.GetType(), "LogoMask.png"))) {
var rect=new D.Rectangle(new D.Point(0, 0), bitmap.Size);
var inBits=srcBitmap.LockBits(rect, DI.ImageLockMode.ReadOnly, DI.PixelFormat.Format32bppArgb);
var outBits=bitmap.LockBits(rect, DI.ImageLockMode.WriteOnly, DI.PixelFormat.Format32bppArgb);
unsafe { // Nedrošais kods ar norādēm labākai veiktspējai.
// Izkrāso caurspīdīguma masku ar logotipa krāsām.
for (int y = 0; y < bitmap.Height; y++) {
byte* inRow=(byte*)inBits.Scan0+inBits.Stride*y;
byte* outRow=(byte*)outBits.Scan0+outBits.Stride*y;
for (int x = 0; x < bitmap.Width; x++) {
outRow[4 * x] =inRow[4 * x]; // zilā
outRow[4 * x + 1]=inRow[4 * x + 1]; // zaļā
outRow[4 * x + 2]=inRow[4 * x + 2]; // sarkanā
}
}
}
srcBitmap.UnlockBits(inBits); bitmap.UnlockBits(outBits);
logo=System.Windows.Interop.Imaging.CreateBitmapSourceFromHBitmap(bitmap.GetHbitmap(),
IntPtr.Zero, Int32Rect.Empty, BitmapSizeOptions.FromEmptyOptions());
}
CacheImage(id.ToString(), logo);
// {"status":0,"result":{"token":"09270779","playlist":[{"url":"http:\/\/ru2.101.ru:8000\/c14_24?tok=09270779"}]},"errorCode":0,"errorMsg":""}
string urlPrefix="http://"+Settings.Default.Region; // Iznests mainīgajā, lai nepārrēķinātu katru reizi, meklējot atskaņošanas adresi.
channel.StreamUrl=client.GetJsonSync("http://101.ru/api/getstationstream.php?station_id="+id).
Element("result").Element("playlist").Elements("item").First(i => i.Element("url").Value.StartsWith(urlPrefix)).Element("url").Value;
}
return new IcyChannel(channel.StreamUrl, logo, timezone, true, brand, new ChannelMenu())
{ UserAgent="Mozilla/5.0 (Windows NT 6.2; Win64; x64; rv:18.0) Gecko/20130119 Firefox/18.0" }; // Lai 101.ru neteiktu, ka jāklausās pārlūkā.
}
protected override async Task<Broadcast> GetBroadcast(string title) {
if (title == null) return null;
string caption, description;
if ((title == "LIVE" || title == "Radio SWH LIVE") && listedGuide != null) {
caption=listedGuide.CurrentBroadcast.Caption;
description=null;
} else {
if (title[title.Length-1] == '&')
{
// Gadījumos, kad nosaukumā jābūt apostrofam, tas tiek aizvietots ar ampersandu un pārējās daļas nav.
// Tādēļ izgūst pilnos dziesmas datus no XML.
/*
<PLAYBACKSTATE>
<lastBuildDate>2012-03-29 21:35:45</lastBuildDate>
<PLAY INDEX="0">
<ARTIST>BEATLES</ARTIST>
<TITLE>A HARD DAY'S NIGHT</TITLE>
<start_time>02:21</start_time>
</PLAY>
</PLAYBACKSTATE>
<PLAYBACKSTATE>
<lastBuildDate>2012-03-30 22:50:48</lastBuildDate>
<PLAY INDEX="0">
<ARTIST>SWHPLUS</ARTIST>
<TITLE>LIVE</TITLE>
<start_time>14:48</start_time>
</PLAY>
</PLAYBACKSTATE> */
// Vēl ir JSON formātā un ar lielāku informāciju (SWH gadījumā): sobrid_etera_title, bildes sobrid_etera, imgfull, img300 un img135.
using (var client=new ProperWebClient(System.Text.Encoding.ASCII))
{
Match match=new Regex("<ARTIST>(?'artist'[^<]+)<\\/ARTIST>\\s+<TITLE>(?'title'[^<]+)<", RegexOptions.Multiline).Match(await client.DownloadStringTaskAsync(nowUrl));
caption=match.Groups["title"].Value.ToCapitalized();
description=match.Groups["artist"].Value.ToCapitalized();
}
}
else caption=(capitalize ? title.ToCapitalized():title).SplitCaption(out description);
if (listedGuide != null)
description+=Environment.NewLine+listedGuide.CurrentBroadcast.Caption;
}
return new Broadcast(DateTime.Now, DateTime.Now.AddHours(1), caption, description);
}
/// <summary>Atver kārtējo MP3 fragmentu kā <see cref="sourceStream"/>.</summary>
public override async Task Open() {
try {
if (urlFormat == null)
using (var client=new ProperWebClient(System.Text.Encoding.ASCII)) {
string playlist=await client.DownloadStringTaskAsync(baseUrl+"chunklist.m3u8");
urlFormat=baseUrl+"media_{0}.mp3"+new Regex("\\?wowzasessionid=([0-9]+)").Match(playlist).Value;
chunkIdx=int.Parse(new Regex("MEDIA-SEQUENCE:([0-9]+)").Match(playlist).Groups[1].Value);
}
else if (sourceStream != null) sourceStream.Dispose();
HttpWebRequest request=(HttpWebRequest)WebRequest.Create(string.Format(urlFormat, chunkIdx));
request.ApplyProxy(); request.Timeout=3000; // Trīs sekundes.
HttpWebResponse response=(HttpWebResponse)(await request.GetResponseAsync());
sourceStream=response.GetResponseStream();
} catch (Exception) {
// Lai nākošreiz mēģina iegūt jaunu atskaņošanas adresi.
urlFormat=null;
throw;
}
chunkIdx++;
}
