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An experimental fix for some spatialization issues.

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This commit is contained in:
David Reid
2021-04-02 10:52:26 +10:00
parent 215621f15e
commit 6d414a359b
1 changed files with 21 additions and 11 deletions
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research/miniaudio_engine.h
+21 -11
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@@ -9371,17 +9371,17 @@ MA_API ma_result ma_spatializer_process_pcm_frames(ma_spatializer* pSpatializer,
#if 1
{
m[0][0] = axisX.x; m[0][1] = axisY.x; m[0][2] = -axisZ.x; m[0][3] = -ma_vec3f_dot(axisX, pListener->position);
m[1][0] = axisX.y; m[1][1] = axisY.y; m[1][2] = -axisZ.y; m[1][3] = -ma_vec3f_dot(axisY, pListener->position);
m[2][0] = axisX.z; m[2][1] = axisY.z; m[2][2] = -axisZ.z; m[2][3] = -ma_vec3f_dot(axisZ, pListener->position);
m[3][0] = 0; m[3][1] = 0; m[3][2] = 0; m[3][3] = 1;
m[0][0] = axisX.x; m[0][1] = axisY.x; m[0][2] = axisZ.x; m[0][3] = -ma_vec3f_dot(axisX, pListener->position);
m[1][0] = axisX.y; m[1][1] = axisY.y; m[1][2] = axisZ.y; m[1][3] = -ma_vec3f_dot(axisY, pListener->position);
m[2][0] = axisX.z; m[2][1] = axisY.z; m[2][2] = axisZ.z; m[2][3] = -ma_vec3f_dot(axisZ, pListener->position);
m[3][0] = 0; m[3][1] = 0; m[3][2] = 0; m[3][3] = 1;
}
#else
{
m[0][0] = axisX.x; m[1][0] = axisY.x; m[2][0] = -axisZ.x; m[3][0] = -ma_vec3f_dot(axisX, pListener->position);
m[0][1] = axisX.y; m[1][1] = axisY.y; m[2][1] = -axisZ.y; m[3][1] = -ma_vec3f_dot(axisY, pListener->position);
m[0][2] = axisX.z; m[1][2] = axisY.z; m[2][2] = -axisZ.z; m[3][2] = -ma_vec3f_dot(axisZ, pListener->position);
m[0][3] = 0; m[1][3] = 0; m[2][3] = 0; m[3][3] = 1;
m[0][0] = axisX.x; m[1][0] = axisY.x; m[2][0] = axisZ.x; m[3][0] = -ma_vec3f_dot(axisX, pListener->position);
m[0][1] = axisX.y; m[1][1] = axisY.y; m[2][1] = axisZ.y; m[3][1] = -ma_vec3f_dot(axisY, pListener->position);
m[0][2] = axisX.z; m[1][2] = axisY.z; m[2][2] = axisZ.z; m[3][2] = -ma_vec3f_dot(axisZ, pListener->position);
m[0][3] = 0; m[1][3] = 0; m[2][3] = 0; m[3][3] = 1;
}
#endif
@@ -9410,9 +9410,19 @@ MA_API ma_result ma_spatializer_process_pcm_frames(ma_spatializer* pSpatializer,
rotation of the listener.
*/
v = pSpatializer->direction;
relativeDir.x = m[0][0] * v.x + m[1][0] * v.y + m[2][0] * v.z;
relativeDir.y = m[0][1] * v.x + m[1][1] * v.y + m[2][1] * v.z;
relativeDir.z = m[0][2] * v.x + m[1][2] * v.y + m[2][2] * v.z;
#if 0
{
relativeDir.x = m[0][0] * v.x + m[0][1] * v.y + m[0][2] * v.z;
relativeDir.y = m[1][0] * v.x + m[1][1] * v.y + m[1][2] * v.z;
relativeDir.z = m[2][0] * v.x + m[2][1] * v.y + m[2][2] * v.z;
}
#else
{
relativeDir.x = m[0][0] * v.x + m[1][0] * v.y + m[2][0] * v.z;
relativeDir.y = m[0][1] * v.x + m[1][1] * v.y + m[2][1] * v.z;
relativeDir.z = m[0][2] * v.x + m[1][2] * v.y + m[2][2] * v.z;
}
#endif
#if defined(MA_DEBUG_OUTPUT)
{