public static MemoryStream GetWavAsMemoryStream(this byte[] data, int sampleRate, int audioChannels = 1, int bitsPerSample = 16)
{
MemoryStream memoryStream = new MemoryStream();
Wav.WriteHeader(memoryStream, sampleRate, audioChannels, bitsPerSample);
Wav.SeekPastHeader(memoryStream);
memoryStream.Write(data, 0, data.Length);
Wav.UpdateHeader(memoryStream);
return(memoryStream);
}
public static MemoryStream GetWavAsMemoryStream(this Stream data, int sampleRate, int audioChannels = 1, int bitsPerSample = 16)
{
MemoryStream memoryStream = new MemoryStream();
Wav.WriteHeader(memoryStream, sampleRate, audioChannels, bitsPerSample);
Wav.SeekPastHeader(memoryStream);
data.Position = 0L;
data.CopyTo(memoryStream);
Wav.UpdateHeader(memoryStream);
return(memoryStream);
}
public static void WriteHeader(Stream stream, int sampleRate, int audioChannels = 1, int bitsPerSample = 16)
{
int num = bitsPerSample / 8;
Encoding uTF = Encoding.UTF8;
long position = stream.Position;
stream.Seek(0L, 0);
stream.Write(uTF.GetBytes("RIFF"), 0, 4);
stream.Write(BitConverter.GetBytes(0), 0, 4);
stream.Write(uTF.GetBytes("WAVE"), 0, 4);
stream.Write(uTF.GetBytes("fmt "), 0, 4);
stream.Write(BitConverter.GetBytes(16), 0, 4);
stream.Write(BitConverter.GetBytes(1), 0, 2);
stream.Write(BitConverter.GetBytes((short)audioChannels), 0, 2);
stream.Write(BitConverter.GetBytes(sampleRate), 0, 4);
stream.Write(BitConverter.GetBytes(sampleRate * num * audioChannels), 0, 4);
stream.Write(BitConverter.GetBytes((short)num), 0, 2);
stream.Write(BitConverter.GetBytes((short)bitsPerSample), 0, 2);
stream.Write(uTF.GetBytes("data"), 0, 4);
stream.Write(BitConverter.GetBytes(0), 0, 4);
Wav.UpdateHeader(stream);
stream.Seek(position, 0);
}
public void SendAudio(AudioEventArgs args)
{
var chat = Chat as TLEncryptedChat;
if (chat == null)
{
return;
}
if (string.IsNullOrEmpty(args.OggFileName))
{
return;
}
var dcId = TLInt.Random();
var id = TLLong.Random();
var accessHash = TLLong.Random();
var oggFileName = String.Format("audio{0}_{1}.mp3", id, accessHash);
var wavFileName = Path.GetFileNameWithoutExtension(oggFileName) + ".wav";
long size = 0;
using (var storage = IsolatedStorageFile.GetUserStoreForApplication())
{
storage.MoveFile(args.OggFileName, oggFileName);
using (var file = storage.OpenFile(oggFileName, FileMode.Open, FileAccess.Read))
{
size = file.Length;
}
var wavStream = Wav.GetWavAsMemoryStream(args.PcmStream, 16000, 1, 16);
using (var file = new IsolatedStorageFileStream(wavFileName, FileMode.OpenOrCreate, storage))
{
wavStream.Seek(0, SeekOrigin.Begin);
wavStream.CopyTo(file);
file.Flush();
}
}
var fileLocation = new TLEncryptedFile
{
Id = id,
AccessHash = accessHash,
DCId = dcId,
Size = new TLInt((int)size),
KeyFingerprint = new TLInt(0),
FileName = new TLString(Path.GetFileName(oggFileName))
};
var keyIV = GenerateKeyIV();
TLDecryptedMessageMediaAudio decryptedMediaAudio;
var encryptedChat17 = chat as TLEncryptedChat17;
if (encryptedChat17 != null)
{
decryptedMediaAudio = new TLDecryptedMessageMediaAudio17
{
Duration = new TLInt((int)args.Duration),
MimeType = new TLString("audio/ogg"),
Size = new TLInt((int)size),
Key = keyIV.Item1,
IV = keyIV.Item2,
UserId = new TLInt(StateService.CurrentUserId),
File = fileLocation,
UploadingProgress = 0.001
};
}
else
{
decryptedMediaAudio = new TLDecryptedMessageMediaAudio
{
Duration = new TLInt((int)args.Duration),
//MimeType = new TLString("audio/ogg"),
Size = new TLInt((int)size),
Key = keyIV.Item1,
IV = keyIV.Item2,
UserId = new TLInt(StateService.CurrentUserId),
File = fileLocation,
UploadingProgress = 0.001
};
}
var decryptedTuple = GetDecryptedMessageAndObject(TLString.Empty, decryptedMediaAudio, chat, true);
BeginOnUIThread(() =>
{
Items.Insert(0, decryptedTuple.Item1);
NotifyOfPropertyChange(() => DescriptionVisibility);
});
BeginOnThreadPool(() =>
CacheService.SyncDecryptedMessage(decryptedTuple.Item1, chat,
cachedMessage => SendAudioInternal(decryptedTuple.Item2)));
}
public void Handle(DownloadableItem item)
{
var decryptedMessage = item.Owner as TLDecryptedMessage;
if (decryptedMessage != null)
{
var mediaExternalDocument = decryptedMessage.Media as TLDecryptedMessageMediaExternalDocument;
if (mediaExternalDocument != null)
{
decryptedMessage.NotifyOfPropertyChange(() => decryptedMessage.Self);
}
}
var decryptedMedia = item.Owner as TLDecryptedMessageMediaBase;
if (decryptedMedia != null)
{
decryptedMessage = Items.OfType <TLDecryptedMessage>().FirstOrDefault(x => x.Media == decryptedMedia);
if (decryptedMessage != null)
{
var mediaPhoto = decryptedMessage.Media as TLDecryptedMessageMediaPhoto;
if (mediaPhoto != null)
{
var fileName = item.IsoFileName;
using (var store = IsolatedStorageFile.GetUserStoreForApplication())
{
byte[] buffer;
using (var file = store.OpenFile(fileName, FileMode.Open, FileAccess.Read))
{
buffer = new byte[file.Length];
file.Read(buffer, 0, buffer.Length);
}
var fileLocation = decryptedMessage.Media.File as TLEncryptedFile;
if (fileLocation == null)
{
return;
}
var decryptedBuffer = Telegram.Api.Helpers.Utils.AesIge(buffer, mediaPhoto.Key.Data,
mediaPhoto.IV.Data, false);
var newFileName = String.Format("{0}_{1}_{2}.jpg",
fileLocation.Id,
fileLocation.DCId,
fileLocation.AccessHash);
using (var file = store.OpenFile(newFileName, FileMode.OpenOrCreate, FileAccess.Write))
{
file.Write(decryptedBuffer, 0, decryptedBuffer.Length);
}
store.DeleteFile(fileName);
}
decryptedMedia.NotifyOfPropertyChange("Self");
}
var mediaVideo = decryptedMessage.Media as TLDecryptedMessageMediaVideo;
if (mediaVideo != null)
{
mediaVideo.DownloadingProgress = 0.0;
var fileName = item.IsoFileName;
using (var store = IsolatedStorageFile.GetUserStoreForApplication())
{
byte[] buffer;
using (var file = store.OpenFile(fileName, FileMode.Open, FileAccess.Read))
{
buffer = new byte[file.Length];
file.Read(buffer, 0, buffer.Length);
}
var fileLocation = decryptedMessage.Media.File as TLEncryptedFile;
if (fileLocation == null)
{
return;
}
var decryptedBuffer = Telegram.Api.Helpers.Utils.AesIge(buffer, mediaVideo.Key.Data, mediaVideo.IV.Data, false);
var newFileName = String.Format("{0}_{1}_{2}.mp4",
fileLocation.Id,
fileLocation.DCId,
fileLocation.AccessHash);
using (var file = store.OpenFile(newFileName, FileMode.OpenOrCreate, FileAccess.Write))
{
file.Write(decryptedBuffer, 0, decryptedBuffer.Length);
}
store.DeleteFile(fileName);
}
}
var mediaAudio = decryptedMessage.Media as TLDecryptedMessageMediaAudio;
if (mediaAudio != null)
{
mediaAudio.DownloadingProgress = 0.0;
var fileLocation = decryptedMessage.Media.File as TLEncryptedFile;
if (fileLocation == null)
{
return;
}
var fileName = item.IsoFileName;
var decryptedFileName = String.Format("audio{0}_{1}.mp3",
fileLocation.Id,
fileLocation.AccessHash);
using (var store = IsolatedStorageFile.GetUserStoreForApplication())
{
byte[] buffer;
using (var file = store.OpenFile(fileName, FileMode.Open, FileAccess.Read))
{
buffer = new byte[file.Length];
file.Read(buffer, 0, buffer.Length);
}
var decryptedBuffer = Telegram.Api.Helpers.Utils.AesIge(buffer, mediaAudio.Key.Data, mediaAudio.IV.Data, false);
using (var file = store.OpenFile(decryptedFileName, FileMode.OpenOrCreate, FileAccess.Write))
{
file.Write(decryptedBuffer, 0, decryptedBuffer.Length);
}
store.DeleteFile(fileName);
}
var wavFileName = Path.GetFileNameWithoutExtension(decryptedFileName) + ".wav";
#if WP8
var component = new WindowsPhoneRuntimeComponent();
var result = component.InitPlayer(ApplicationData.Current.LocalFolder.Path + "\\" + decryptedFileName);
if (result == 1)
{
var buffer = new byte[16 * 1024];
var args = new int[3];
var pcmStream = new MemoryStream();
while (true)
{
component.FillBuffer(buffer, buffer.Length, args);
var count = args[0];
var offset = args[1];
var endOfStream = args[2] == 1;
pcmStream.Write(buffer, 0, count);
if (endOfStream)
{
break;
}
}
var wavStream = Wav.GetWavAsMemoryStream(pcmStream, 48000, 1, 16);
using (var store = IsolatedStorageFile.GetUserStoreForApplication())
{
using (var file = new IsolatedStorageFileStream(wavFileName, FileMode.OpenOrCreate, store))
{
wavStream.Seek(0, SeekOrigin.Begin);
wavStream.CopyTo(file);
file.Flush();
}
}
}
#endif
}
var mediaDocument = decryptedMessage.Media as TLDecryptedMessageMediaDocument;
if (mediaDocument != null)
{
mediaDocument.DownloadingProgress = 0.0;
var fileName = item.IsoFileName;
using (var store = IsolatedStorageFile.GetUserStoreForApplication())
{
byte[] buffer;
using (var file = store.OpenFile(fileName, FileMode.Open, FileAccess.Read))
{
buffer = new byte[file.Length];
file.Read(buffer, 0, buffer.Length);
}
var fileLocation = decryptedMessage.Media.File as TLEncryptedFile;
if (fileLocation == null)
{
return;
}
var decryptedBuffer = Telegram.Api.Helpers.Utils.AesIge(buffer, mediaDocument.Key.Data, mediaDocument.IV.Data, false);
var newFileName = String.Format("{0}_{1}_{2}.{3}",
fileLocation.Id,
fileLocation.DCId,
fileLocation.AccessHash,
fileLocation.FileExt);
using (var file = store.OpenFile(newFileName, FileMode.OpenOrCreate, FileAccess.Write))
{
file.Write(decryptedBuffer, 0, decryptedBuffer.Length);
}
store.DeleteFile(fileName);
}
}
}
}
}
public void SendAudio(AudioEventArgs args)
{
var chat = Chat as TLEncryptedChat;
if (chat == null)
{
return;
}
if (string.IsNullOrEmpty(args.OggFileName))
{
return;
}
var dcId = TLInt.Random();
var id = TLLong.Random();
var accessHash = TLLong.Random();
var oggFileName = String.Format("audio{0}_{1}.mp3", id, accessHash);
var wavFileName = Path.GetFileNameWithoutExtension(oggFileName) + ".wav";
long size = 0;
using (var storage = IsolatedStorageFile.GetUserStoreForApplication())
{
storage.MoveFile(args.OggFileName, oggFileName);
using (var file = storage.OpenFile(oggFileName, FileMode.Open, FileAccess.Read))
{
size = file.Length;
}
var wavStream = Wav.GetWavAsMemoryStream(args.PcmStream, 16000, 1, 16);
using (var file = new IsolatedStorageFileStream(wavFileName, FileMode.OpenOrCreate, storage))
{
wavStream.Seek(0, SeekOrigin.Begin);
wavStream.CopyTo(file);
file.Flush();
}
}
var fileLocation = new TLEncryptedFile
{
Id = id,
AccessHash = accessHash,
DCId = dcId,
Size = new TLInt((int)size),
KeyFingerprint = new TLInt(0),
FileName = new TLString(Path.GetFileName(oggFileName))
};
var keyIV = GenerateKeyIV();
TLDecryptedMessageMediaBase decryptedMediaAudio;
var encryptedChat17 = chat as TLEncryptedChat17;
if (encryptedChat17 != null)
{
if (encryptedChat17.Layer.Value >= Constants.MinSecretChatWithAudioAsDocumentsLayer)
{
var opus = new TelegramClient_Opus.WindowsPhoneRuntimeComponent();
var bytes = opus.GetWaveform(ApplicationData.Current.LocalFolder.Path + "\\" + oggFileName);
var resultSamples = bytes.Length;
var bites2 = new BitArray(5 * bytes.Length);
var count = 0;
for (var i = 0; i < bytes.Length; i++)
{
var result = bytes[i];
var bit1 = result >> 0 & 0x1;
var bit2 = result >> 1 & 0x1;
var bit3 = result >> 2 & 0x1;
var bit4 = result >> 3 & 0x1;
var bit5 = result >> 4 & 0x1;
bites2[count] = Convert.ToBoolean(bit1);
bites2[count + 1] = Convert.ToBoolean(bit2);
bites2[count + 2] = Convert.ToBoolean(bit3);
bites2[count + 3] = Convert.ToBoolean(bit4);
bites2[count + 4] = Convert.ToBoolean(bit5);
count = count + 5;
}
var bytesCount = (resultSamples * 5) / 8 + (((resultSamples * 5) % 8) == 0 ? 0 : 1);
var waveformBytes = new byte[bytesCount];
bites2.CopyTo(waveformBytes, 0);
var waveform = waveformBytes != null?TLString.FromBigEndianData(waveformBytes) : TLString.Empty;
var audioAttribute = new TLDocumentAttributeAudio46
{
Flags = new TLInt((int)DocumentAttributeAudioFlags.Voice),
Duration = new TLInt((int)args.Duration)
};
if (waveformBytes != null)
{
audioAttribute.Waveform = waveform;
}
var attributes = new TLVector <TLDocumentAttributeBase>
{
audioAttribute
};
decryptedMediaAudio = new TLDecryptedMessageMediaDocument45
{
Thumb = TLString.Empty,
ThumbW = new TLInt(0),
ThumbH = new TLInt(0),
MimeType = new TLString("audio/ogg"),
Size = new TLInt((int)size),
Key = keyIV.Item1,
IV = keyIV.Item2,
Attributes = attributes,
Caption = TLString.Empty,
NotListened = true,
File = fileLocation,
UploadingProgress = 0.001
};
}
else
{
decryptedMediaAudio = new TLDecryptedMessageMediaAudio17
{
Duration = new TLInt((int)args.Duration),
MimeType = new TLString("audio/ogg"),
Size = new TLInt((int)size),
Key = keyIV.Item1,
IV = keyIV.Item2,
UserId = new TLInt(StateService.CurrentUserId),
File = fileLocation,
UploadingProgress = 0.001
};
}
}
else
{
decryptedMediaAudio = new TLDecryptedMessageMediaAudio
{
Duration = new TLInt((int)args.Duration),
//MimeType = new TLString("audio/ogg"),
Size = new TLInt((int)size),
Key = keyIV.Item1,
IV = keyIV.Item2,
UserId = new TLInt(StateService.CurrentUserId),
File = fileLocation,
UploadingProgress = 0.001
};
}
var decryptedTuple = GetDecryptedMessageAndObject(TLString.Empty, decryptedMediaAudio, chat, true);
//var message45 = decryptedTuple.Item1 as TLDecryptedMessage45;
//if (message45 != null && message45.IsVoice())
//{
// message45.NotListened = true;
//}
BeginOnUIThread(() =>
{
InsertSendingMessage(decryptedTuple.Item1);
NotifyOfPropertyChange(() => DescriptionVisibility);
});
BeginOnThreadPool(() =>
CacheService.SyncDecryptedMessage(decryptedTuple.Item1, chat,
cachedMessage => SendAudioInternal(decryptedTuple.Item2)));
}
public void Handle(DownloadableItem item)
{
Execute.BeginOnUIThread(() =>
{
var chatPhoto = item.Owner as TLChatPhoto;
if (chatPhoto != null)
{
var channel = With as TLChannel;
if (channel != null)
{
channel.NotifyOfPropertyChange(() => channel.Photo);
//channel.NotifyOfPropertyChange(() => channel.ChatPhoto);
}
var serviceMessages = Items.OfType <TLMessageService>();
foreach (var serviceMessage in serviceMessages)
{
var editPhoto = serviceMessage.Action as TLMessageActionChatEditPhoto;
if (editPhoto != null && editPhoto.Photo == chatPhoto)
{
editPhoto.NotifyOfPropertyChange(() => editPhoto.Photo);
break;
}
}
}
var message = item.Owner as TLMessage;
if (message != null)
{
var messages = Items.OfType <TLMessage>();
foreach (var m in messages)
{
var media = m.Media as TLMessageMediaVideo;
if (media != null && m == item.Owner)
{
m.Media.IsCanceled = false;
m.Media.LastProgress = 0.0;
m.Media.DownloadingProgress = 0.0;
m.NotifyOfPropertyChange(() => m.Self);
m.Media.IsoFileName = item.IsoFileName;
break;
}
var doc = m.Media as TLMessageMediaDocument;
if (doc != null && m == item.Owner)
{
m.Media.IsCanceled = false;
m.Media.LastProgress = 0.0;
m.Media.DownloadingProgress = 0.0;
m.Media.NotifyOfPropertyChange(() => m.Media.Self); // update download icon for documents
m.NotifyOfPropertyChange(() => m.Self);
m.Media.IsoFileName = item.IsoFileName;
break;
}
var audioMedia = m.Media as TLMessageMediaAudio;
if (audioMedia != null && m == item.Owner)
{
m.Media.IsCanceled = false;
m.Media.LastProgress = 0.0;
m.Media.DownloadingProgress = 0.0;
m.Media.IsoFileName = item.IsoFileName;
var a = audioMedia.Audio as TLAudio;
if (a != null)
{
var fileName = a.GetFileName();
var wavFileName = Path.GetFileNameWithoutExtension(fileName) + ".wav";
#if WP8
var component = new WindowsPhoneRuntimeComponent();
var result = component.InitPlayer(ApplicationData.Current.LocalFolder.Path + "\\" + fileName);
if (result == 1)
{
var buffer = new byte[16 * 1024];
var args = new int[3];
var pcmStream = new MemoryStream();
while (true)
{
component.FillBuffer(buffer, buffer.Length, args);
var count = args[0];
var offset = args[1];
var endOfStream = args[2] == 1;
pcmStream.Write(buffer, 0, count);
if (endOfStream)
{
break;
}
}
var wavStream = Wav.GetWavAsMemoryStream(pcmStream, 48000, 1, 16);
using (var store = IsolatedStorageFile.GetUserStoreForApplication())
{
using (var file = new IsolatedStorageFileStream(wavFileName, FileMode.OpenOrCreate, store))
{
wavStream.Seek(0, SeekOrigin.Begin);
wavStream.CopyTo(file);
file.Flush();
}
}
}
#endif
}
break;
}
}
return;
}
var photo = item.Owner as TLPhoto;
if (photo != null)
{
var isUpdated = false;
var messages = Items.OfType <TLMessage>();
foreach (var m in messages)
{
var mediaPhoto = m.Media as TLMessageMediaPhoto;
if (mediaPhoto != null && mediaPhoto.Photo == photo)
{
mediaPhoto.NotifyOfPropertyChange(() => mediaPhoto.Photo);
mediaPhoto.NotifyOfPropertyChange(() => mediaPhoto.Self);
isUpdated = true;
break;
}
var mediaWebPage = m.Media as TLMessageMediaWebPage;
if (mediaWebPage != null && mediaWebPage.Photo == photo)
{
mediaWebPage.NotifyOfPropertyChange(() => mediaWebPage.Photo);
mediaWebPage.NotifyOfPropertyChange(() => mediaWebPage.Self);
isUpdated = false;
break;
}
}
if (isUpdated)
{
return;
}
var serviceMessages = Items.OfType <TLMessageService>();
foreach (var serviceMessage in serviceMessages)
{
var editPhoto = serviceMessage.Action as TLMessageActionChatEditPhoto;
if (editPhoto != null && editPhoto.Photo == photo)
{
editPhoto.NotifyOfPropertyChange(() => editPhoto.Photo);
isUpdated = true;
break;
}
}
}
var document = item.Owner as TLDocument;
if (document != null)
{
var messages = Items.OfType <TLMessage>();
foreach (var m in messages)
{
var media = m.Media as TLMessageMediaDocument;
if (media != null && TLDocumentBase.DocumentEquals(media.Document, document))
{
media.NotifyOfPropertyChange(() => media.Document);
break;
}
}
}
var video = item.Owner as TLVideo;
if (video != null)
{
var messages = Items.OfType <TLMessage>();
foreach (var m in messages)
{
var media = m.Media as TLMessageMediaVideo;
if (media != null && media.Video == video)
{
media.NotifyOfPropertyChange(() => media.Video);
break;
}
}
}
var audio = item.Owner as TLAudio;
if (audio != null)
{
var messages = Items.OfType <TLMessage>();
foreach (var m in messages)
{
var media = m.Media as TLMessageMediaAudio;
if (media != null && media.Audio == audio)
{
media.NotifyOfPropertyChange(() => media.Audio);
break;
}
}
}
var webPage = item.Owner as TLWebPage;
if (webPage != null)
{
var messages = Items.OfType <TLMessage>();
foreach (var m in messages)
{
var media = m.Media as TLMessageMediaWebPage;
if (media != null && media.WebPage == webPage)
{
media.NotifyOfPropertyChange(() => media.Photo);
media.NotifyOfPropertyChange(() => media.Self);
break;
}
}
}
});
}