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LimeSDR output: use a stream FIFO size about 10% for a 5 MS/s rate (512k)

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f4exb 2017-08-08 01:19:11 +02:00
parent 894a4b2e94
commit 099583916f
2 changed files with 1 additions and 2 deletions
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1
debian/changelog vendored
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@ -1,7 +1,6 @@
sdrangel (3.5.5-1) unstable; urgency=medium sdrangel (3.5.5-1) unstable; urgency=medium
* Output plugins: use fixed time length for sample FIFO * Output plugins: use fixed time length for sample FIFO
* Audio modulators: reduce audio input file buffer to 0.25s
-- Edouard Griffiths, F4EXB <f4exb06@gmail.com> Sun, 13 Aug 2017 23:14:18 +0200 -- Edouard Griffiths, F4EXB <f4exb06@gmail.com> Sun, 13 Aug 2017 23:14:18 +0200

2
plugins/samplesink/limesdroutput/limesdroutput.cpp
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@ -165,7 +165,7 @@ bool LimeSDROutput::openDevice()
// set up the stream // set up the stream
m_streamId.channel = m_deviceShared.m_channel; // channel number m_streamId.channel = m_deviceShared.m_channel; // channel number
m_streamId.fifoSize = 5000000; // fifo size in samples m_streamId.fifoSize = 512 * 1024; // fifo size in samples (SR / 10 take ~5MS/s)
m_streamId.throughputVsLatency = 0.0; // optimize for min latency m_streamId.throughputVsLatency = 0.0; // optimize for min latency
m_streamId.isTx = true; // TX channel m_streamId.isTx = true; // TX channel
m_streamId.dataFmt = lms_stream_t::LMS_FMT_I12; // 12-bit integers m_streamId.dataFmt = lms_stream_t::LMS_FMT_I12; // 12-bit integers