Minor code rearrangement in preparation for some updates.

miniaudio.h

@@ -50339,6 +50339,26 @@ MA_API ma_result ma_spatializer_process_pcm_frames(ma_spatializer* pSpatializer,
         /* Clamp the gain. */
         gain = ma_clamp(gain, ma_spatializer_get_min_gain(pSpatializer), ma_spatializer_get_max_gain(pSpatializer));
 
+        /*
+        The gain needs to be applied per-channel here. The spatialization code below will be changing the per-channel
+        gains which will then eventually be passed into the gainer which will deal with smoothing the gain transitions
+        to avoid harsh changes in gain.
+        */
+        for (iChannel = 0; iChannel < channelsOut; iChannel += 1) {
+            pSpatializer->pNewChannelGainsOut[iChannel] = gain;
+        }
+
+        /*
+        Convert to our output channel count. If the listener is disabled we just output silence here. We cannot ignore
+        the whole section of code here because we need to update some internal spatialization state.
+        */
+        if (ma_spatializer_listener_is_enabled(pListener)) {
+            ma_channel_map_apply_f32((float*)pFramesOut, pChannelMapOut, channelsOut, (const float*)pFramesIn, pChannelMapIn, channelsIn, frameCount, ma_channel_mix_mode_rectangular, ma_mono_expansion_mode_default);
+        } else {
+            ma_silence_pcm_frames(pFramesOut, frameCount, ma_format_f32, pSpatializer->channelsOut);
+        }
+
+
         /*
         Panning. This is where we'll apply the gain and convert to the output channel count. We have an optimized path for
         when we're converting to a mono stream. In that case we don't really need to do any panning - we just apply the
@@ -50360,19 +50380,6 @@ MA_API ma_result ma_spatializer_process_pcm_frames(ma_spatializer* pSpatializer,
         be +1 on the X axis. A dot product is performed against the direction vector of the channel and the normalized
         position of the sound.
         */
-        for (iChannel = 0; iChannel < channelsOut; iChannel += 1) {
-            pSpatializer->pNewChannelGainsOut[iChannel] = gain;
-        }
-
-        /*
-        Convert to our output channel count. If the listener is disabled we just output silence here. We cannot ignore
-        the whole section of code here because we need to update some internal spatialization state.
-        */
-        if (ma_spatializer_listener_is_enabled(pListener)) {
-            ma_channel_map_apply_f32((float*)pFramesOut, pChannelMapOut, channelsOut, (const float*)pFramesIn, pChannelMapIn, channelsIn, frameCount, ma_channel_mix_mode_rectangular, ma_mono_expansion_mode_default);
-        } else {
-            ma_silence_pcm_frames(pFramesOut, frameCount, ma_format_f32, pSpatializer->channelsOut);
-        }
 
         /*
         Calculate our per-channel gains. We do this based on the normalized relative position of the sound and it's