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Add lookback in fast data handling to prevent first voice frame to get killed by FEC

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This commit is contained in:
Geoffrey Merck 2026-01-26 20:19:40 +01:00
parent d3ed3ce8d2
commit 876f58c05c
5 changed files with 218 additions and 105 deletions
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16
DStarSlowData.cpp
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@ -67,7 +67,7 @@ void CDStarSlowData::add(const unsigned char* data)
m_buffer[5U] = data[11U] ^ DSTAR_SCRAMBLER_BYTES[2U];
m_state = SDD_STATE::FIRST;
m_complete = true;
CUtils::dump(1U, "D-Star slow data element", m_buffer, 6U);
////CUtils::dump(1U, "D-Star slow data element", m_buffer, 6U);
loadHeader();
loadText();
break;
@ -111,7 +111,7 @@ void CDStarSlowData::loadText()
{
switch (m_buffer[0U]) {
case DSTAR_SLOW_DATA_TYPE_TEXT | 0U:
CUtils::dump(1U, "D-Star slow data text fragment 0", m_buffer, 6U);
//CUtils::dump(1U, "D-Star slow data text fragment 0", m_buffer, 6U);
m_text[0U] = m_buffer[1U] & 0x7FU;
m_text[1U] = m_buffer[2U] & 0x7FU;
m_text[2U] = m_buffer[3U] & 0x7FU;
@ -121,7 +121,7 @@ void CDStarSlowData::loadText()
break;
case DSTAR_SLOW_DATA_TYPE_TEXT | 1U:
CUtils::dump(1U, "D-Star slow data text fragment 1", m_buffer, 6U);
//CUtils::dump(1U, "D-Star slow data text fragment 1", m_buffer, 6U);
m_text[5U] = m_buffer[1U] & 0x7FU;
m_text[6U] = m_buffer[2U] & 0x7FU;
m_text[7U] = m_buffer[3U] & 0x7FU;
@ -131,7 +131,7 @@ void CDStarSlowData::loadText()
break;
case DSTAR_SLOW_DATA_TYPE_TEXT | 2U:
CUtils::dump(1U, "D-Star slow data text fragment 2", m_buffer, 6U);
//CUtils::dump(1U, "D-Star slow data text fragment 2", m_buffer, 6U);
m_text[10U] = m_buffer[1U] & 0x7FU;
m_text[11U] = m_buffer[2U] & 0x7FU;
m_text[12U] = m_buffer[3U] & 0x7FU;
@ -141,7 +141,7 @@ void CDStarSlowData::loadText()
break;
case DSTAR_SLOW_DATA_TYPE_TEXT | 3U:
CUtils::dump(1U, "D-Star slow data text fragment 3", m_buffer, 6U);
//CUtils::dump(1U, "D-Star slow data text fragment 3", m_buffer, 6U);
m_text[15U] = m_buffer[1U] & 0x7FU;
m_text[16U] = m_buffer[2U] & 0x7FU;
m_text[17U] = m_buffer[3U] & 0x7FU;
@ -161,7 +161,7 @@ const unsigned char* CDStarSlowData::getText()
if (m_textBits != 0x0FU)
return nullptr;
CUtils::dump(1U, "D-Star slow data text", m_text, 20U);
//CUtils::dump(1U, "D-Star slow data text", m_text, 20U);
m_textBits = 0x00U;
@ -237,9 +237,9 @@ void CDStarSlowData::getSlowData(unsigned char* data)
}
}
unsigned char CDStarSlowData::getType() const
unsigned char CDStarSlowData::getType(bool unmasked) const
{
return m_buffer[0U] & DSTAR_SLOW_DATA_TYPE_MASK;
return unmasked ? m_buffer[0U] : m_buffer[0U] & DSTAR_SLOW_DATA_TYPE_MASK ;
}
bool CDStarSlowData::isComplete() const