Enabled volume control for PDM and PWM

atomic14 · Oct 18, 2024 · d7394a5 · d7394a5
1 parent 94554ca
commit d7394a5
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Showing 2 changed files with 6 additions and 2 deletions.
diff --git a/player/src/AudioOutput/PDMTimerOuput.cpp b/player/src/AudioOutput/PDMTimerOuput.cpp
@@ -96,7 +96,9 @@ void PDMTimerOutput::write(int8_t *samples, int count)
         // make sure there's enough room for the samples
         mSecondBuffer = (int8_t *)realloc(mSecondBuffer, count);
         // copy them into the second buffer
-        memcpy(mSecondBuffer, samples, count);
+        for(int i = 0; i < count; i++) {
+          mSecondBuffer[i] = samples[i] * mVolume / 10;
+        }
         // second buffer is now full of samples
         mSecondBufferLength = count;
         // unlock the mutext and return

diff --git a/player/src/AudioOutput/PWMTimerOuput.cpp b/player/src/AudioOutput/PWMTimerOuput.cpp
@@ -80,7 +80,9 @@ void PWMTimerOutput::write(int8_t *samples, int count)
         // make sure there's enough room for the samples
         mSecondBuffer = (int8_t *)realloc(mSecondBuffer, count);
         // copy them into the second buffer
-        memcpy(mSecondBuffer, samples, count);
+        for(int i = 0; i < count; i++) {
+          mSecondBuffer[i] = samples[i] * mVolume / 10;
+        }
         // second buffer is now full of samples
         mSecondBufferLength = count;
         // unlock the mutext and return