Merge pull request #2226 from jfdelnero/master

Fix audio glitches in the DAB plugin
Don't decimate the audio signal if not needed.
2024-11-25 09:18:54 -05:00 · 2024-08-02 18:56:01 +02:00 · 2024-08-02 12:23:27 +02:00 · 2024-08-02 12:17:00 +02:00
1 changed files with 7 additions and 2 deletions
--- a/plugins/channelrx/demoddab/dabdemodsink.cpp
+++ b/plugins/channelrx/demoddab/dabdemodsink.cpp
@ -366,7 +366,7 @@ void DABDemodSink::tii(int tii)
    }
 }

-static int16_t scale(int16_t sample, float factor)
+static int16_t scale(Real sample, float factor)
 {
    int32_t prod = (int32_t)(((int32_t)sample) * factor);
    prod = std::min(prod, 32767);
@ -403,7 +403,12 @@ void DABDemodSink::audio(int16_t *buffer, int size, int samplerate, bool stereo)
            ci.real(0.0f);
            ci.imag(0.0f);
        }
-        if (m_audioInterpolatorDistance < 1.0f) // interpolate
+
+        if (m_audioInterpolatorDistance == 1.0f)
+        {
+            processOneAudioSample(ci);
+        }
+        else if (m_audioInterpolatorDistance < 1.0f) // interpolate
        {
            while (!m_audioInterpolator.interpolate(&m_audioInterpolatorDistanceRemain, ci, &ca))
            {