diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/engine/enginesidechaincompressor.cpp | 31 |
1 files changed, 15 insertions, 16 deletions
diff --git a/src/engine/enginesidechaincompressor.cpp b/src/engine/enginesidechaincompressor.cpp index bd21e53914..e2bf54f2d6 100644 --- a/src/engine/enginesidechaincompressor.cpp +++ b/src/engine/enginesidechaincompressor.cpp @@ -3,10 +3,10 @@ #include "engine/enginesidechaincompressor.h" EngineSideChainCompressor::EngineSideChainCompressor(const char* group) - : m_compressRatio(0.0), + : m_compressRatio(1.0), m_bAboveThreshold(false), m_threshold(1.0), - m_strength(0.0), + m_strength(1.0), m_attackTime(0), m_decayTime(0), m_attackPerFrame(0.0), @@ -55,28 +55,27 @@ void EngineSideChainCompressor::processKey(const CSAMPLE* pIn, const int iBuffer double EngineSideChainCompressor::calculateCompressedGain(int frames) { if (m_bAboveThreshold) { - if (m_compressRatio < m_strength) { - m_compressRatio += m_attackPerFrame * frames; - if (m_compressRatio > m_strength) { + if (m_compressRatio > m_strength) { + m_compressRatio -= m_attackPerFrame * frames; + if (m_compressRatio < m_strength) { // If we overshot, clamp. m_compressRatio = m_strength; } - } else if (m_compressRatio > m_strength) { + } else if (m_compressRatio < m_strength) { // If the strength param was changed, we might be compressing too much. - m_compressRatio -= m_decayPerFrame * frames; + m_compressRatio += m_decayPerFrame * frames; } } else { - if (m_compressRatio > 0) { - m_compressRatio -= m_decayPerFrame * frames; - if (m_compressRatio < 0) { + VERIFY_OR_DEBUG_ASSERT(m_compressRatio >= 0) { + qWarning() << "Programming error, below-zero compression detected."; + } + if (m_compressRatio < 1) { + m_compressRatio += m_decayPerFrame * frames; + if (m_compressRatio > 1) { // If we overshot, clamp. - m_compressRatio = 0; + m_compressRatio = 1; } - } else if (m_compressRatio < 0) { - // Complain loudly. - qWarning() << "Programming error, below-zero compression detected."; - m_compressRatio += m_attackPerFrame * frames; } } - return (1. - m_compressRatio); + return m_compressRatio; } |