QaudioOutput play buffer audio real time disconnect network ?

[Thà nh Viên Mới]

hi all, i am developing chat voice LAN QAudioOutput similar example: http://doc.qt.nokia.com/latest/multi...utput-cpp.html

qint64 Generator::readData(char *data, qint64 len)
 {
     qint64 total = 0;
     while (len - total > 0) {
         const qint64 chunk = qMin((m_buffer.size() - m_pos), len - total);
         memcpy(data + total, m_buffer.constData() + m_pos, chunk);
         m_pos = (m_pos + chunk) % m_buffer.size();
         total += chunk;
     }
     return total;
 }

qint64 Generator::readData(char *data, qint64 len)
 {
     qint64 total = 0;
     while (len - total > 0) {
         const qint64 chunk = qMin((m_buffer.size() - m_pos), len - total);
         memcpy(data + total, m_buffer.constData() + m_pos, chunk);
         m_pos = (m_pos + chunk) % m_buffer.size();
         total += chunk;
     }
     return total;
 }

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, my problem is when network lag connect 2 client, when client cant recive data from other client, it will play again old data.

i want audio buffer only play data appended in m_buffer,

thanks and best regard

[Thà nh Viên Mới]

can you help me