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Update the spatializer to require a listener when processing.

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This commit is contained in:
David Reid
2026-01-07 12:24:30 +10:00
parent bedfd053cb
commit b83869eb09
1 changed files with 8 additions and 14 deletions
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miniaudio.h
+5 -11
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@@ -52308,7 +52308,7 @@ MA_API ma_result ma_spatializer_process_pcm_frames(ma_spatializer* pSpatializer,
ma_channel* pChannelMapIn; ma_channel* pChannelMapIn;
ma_channel* pChannelMapOut; ma_channel* pChannelMapOut;
if (pSpatializer == NULL) { if (pSpatializer == NULL || pListener == NULL) {
return MA_INVALID_ARGS; return MA_INVALID_ARGS;
} }
@@ -52359,23 +52359,17 @@ MA_API ma_result ma_spatializer_process_pcm_frames(ma_spatializer* pSpatializer,
We'll need the listener velocity for doppler pitch calculations. The speed of sound is We'll need the listener velocity for doppler pitch calculations. The speed of sound is
defined by the listener, so we'll grab that here too. defined by the listener, so we'll grab that here too.
*/ */
if (pListener != NULL) {
listenerVel = ma_spatializer_listener_get_velocity(pListener); listenerVel = ma_spatializer_listener_get_velocity(pListener);
speedOfSound = pListener->config.speedOfSound; speedOfSound = pListener->config.speedOfSound;
} else {
listenerVel = ma_vec3f_init_3f(0, 0, 0);
speedOfSound = MA_DEFAULT_SPEED_OF_SOUND;
}
if (pListener == NULL || ma_spatializer_get_positioning(pSpatializer) == ma_positioning_relative) { if (ma_spatializer_get_positioning(pSpatializer) == ma_positioning_relative) {
/* There's no listener or we're using relative positioning. */
relativePos = ma_spatializer_get_position(pSpatializer); relativePos = ma_spatializer_get_position(pSpatializer);
relativeDir = ma_spatializer_get_direction(pSpatializer); relativeDir = ma_spatializer_get_direction(pSpatializer);
} else { } else {
/* /*
We've found a listener and we're using absolute positioning. We need to transform the We're using absolute positioning. We need to transform the sound's position and
sound's position and direction so that it's relative to listener. Later on we'll use direction so that it's relative to listener. Later on we'll use this for determining
this for determining the factors to apply to each channel to apply the panning effect. the factors to apply to each channel to apply the panning effect.
*/ */
ma_spatializer_get_relative_position_and_direction(pSpatializer, pListener, &relativePos, &relativeDir); ma_spatializer_get_relative_position_and_direction(pSpatializer, pListener, &relativePos, &relativeDir);
} }