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Copy audio to UDP/RTP: use audio filter frequency cutoff corresponding to decimation

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This commit is contained in:
f4exb 2019-02-17 01:32:32 +01:00
parent 6d4cb53eb6
commit 752e71c402
2 changed files with 6 additions and 0 deletions
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5
sdrbase/audio/audionetsink.cpp
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@ -27,6 +27,7 @@ AudioNetSink::AudioNetSink(QObject *parent) :
m_type(SinkUDP),
m_codec(CodecL16),
m_rtpBufferAudio(0),
m_sampleRate(48000),
m_decimation(1),
m_decimationCount(0),
m_bufferIndex(0),
@ -40,6 +41,7 @@ AudioNetSink::AudioNetSink(QObject *parent, int sampleRate, bool stereo) :
m_type(SinkUDP),
m_codec(CodecL16),
m_rtpBufferAudio(0),
m_sampleRate(48000),
m_decimation(1),
m_decimationCount(0),
m_bufferIndex(0),
@ -110,6 +112,8 @@ void AudioNetSink::setParameters(Codec codec, bool stereo, int sampleRate)
<< " sampleRate: " << sampleRate;
m_codec = codec;
m_sampleRate = sampleRate;
m_audioFilter.setDecimFilters(m_sampleRate, m_decimation);
if (m_rtpBufferAudio)
{
@ -138,6 +142,7 @@ void AudioNetSink::setDecimation(uint32_t decimation)
{
m_decimation = decimation < 1 ? 1 : decimation > 6 ? 6 : decimation;
qDebug() << "AudioNetSink::setDecimation: " << m_decimation << " from: " << decimation;
m_audioFilter.setDecimFilters(m_sampleRate, m_decimation);
m_decimationCount = 0;
}

1
sdrbase/audio/audionetsink.h
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@ -74,6 +74,7 @@ protected:
RTPSink *m_rtpBufferAudio;
AudioCompressor m_audioCompressor;
AudioFilter m_audioFilter;
int m_sampleRate;
uint32_t m_decimation;
uint32_t m_decimationCount;
char m_data[65536];