diff options
Diffstat (limited to 'src/plugins/pulseaudio/qaudioinput_pulse.cpp')
| -rw-r--r-- | src/plugins/pulseaudio/qaudioinput_pulse.cpp | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/plugins/pulseaudio/qaudioinput_pulse.cpp b/src/plugins/pulseaudio/qaudioinput_pulse.cpp index 2b5325132..b68b4af1b 100644 --- a/src/plugins/pulseaudio/qaudioinput_pulse.cpp +++ b/src/plugins/pulseaudio/qaudioinput_pulse.cpp @@ -402,6 +402,8 @@ int QPulseAudioInput::bytesReady() const qint64 QPulseAudioInput::read(char *data, qint64 len) { + Q_ASSERT(data != nullptr || len == 0); + m_bytesAvailable = checkBytesReady(); setError(QAudio::NoError); @@ -411,7 +413,8 @@ qint64 QPulseAudioInput::read(char *data, qint64 len) if (!m_pullMode && !m_tempBuffer.isEmpty()) { readBytes = qMin(static_cast<int>(len), m_tempBuffer.size()); - memcpy(data, m_tempBuffer.constData(), readBytes); + if (readBytes) + memcpy(data, m_tempBuffer.constData(), readBytes); m_totalTimeValue += readBytes; if (readBytes < m_tempBuffer.size()) { @@ -502,9 +505,10 @@ qint64 QPulseAudioInput::read(char *data, qint64 len) void QPulseAudioInput::applyVolume(const void *src, void *dest, int len) { + Q_ASSERT((src && dest) || len == 0); if (m_volume < 1.f) QAudioHelperInternal::qMultiplySamples(m_volume, m_format, src, dest, len); - else + else if (len) memcpy(dest, src, len); } |