A basic spherical harmonic/ Ambisonic signals rotator, based on the recursive approach detailed in [1].
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| void | rotator_create (void **const phRot) |
| | Creates an instance of rotator.
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| void | rotator_destroy (void **const phRot) |
| | Destroys an instance of rotator.
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| void | rotator_init (void *const hRot, int sampleRate) |
| | Initialises an instance of rotator with default settings.
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| void | rotator_process (void *const hRot, const float *const *inputs, float *const *const outputs, int nInputs, int nOutputs, int nSamples) |
| | Rotates the input spherical harmonic signals.
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| void | rotator_setYaw (void *const hRot, float newYaw) |
| | Sets the 'yaw' rotation angle, in DEGREES.
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| void | rotator_setPitch (void *const hRot, float newPitch) |
| | Sets the 'pitch' rotation angle, in DEGREES.
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| void | rotator_setRoll (void *const hRot, float newRoll) |
| | Sets the 'roll' rotation angle , in DEGREES.
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| void | rotator_setQuaternionW (void *const hRot, float newValue) |
| | Sets the quaternion 'W' value [-1..1].
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| void | rotator_setQuaternionX (void *const hRot, float newValue) |
| | Sets the quaternion 'X' value [-1..1].
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| void | rotator_setQuaternionY (void *const hRot, float newValue) |
| | Sets the quaternion 'Y' value [-1..1].
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| void | rotator_setQuaternionZ (void *const hRot, float newValue) |
| | Sets the quaternion 'Z' value [-1..1].
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| void | rotator_setFlipYaw (void *const hRot, int newState) |
| | Sets a flag as to whether to "flip" the sign of the current 'yaw' angle (0: do not flip sign, 1: flip the sign)
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| void | rotator_setFlipPitch (void *const hRot, int newState) |
| | Sets a flag as to whether to "flip" the sign of the current 'pitch' angle (0: do not flip sign, 1: flip the sign)
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| void | rotator_setFlipRoll (void *const hRot, int newState) |
| | Sets a flag as to whether to "flip" the sign of the current 'roll' angle (0: do not flip sign, 1: flip the sign)
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| void | rotator_setFlipQuaternion (void *const hRot, int newState) |
| | Sets a flag as to whether to invert the quaternion used for rotation (0: do not flip sign, 1: flip the sign)
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| void | rotator_setRPYflag (void *const hRot, int newState) |
| | Sets a flag as to whether to use "yaw-pitch-roll" (0) or "roll-pitch-yaw" (1) rotation order.
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| void | rotator_setChOrder (void *const hRot, int newOrder) |
| | Sets the Ambisonic channel ordering convention to decode with, in order to match the convention employed by the input signals (see CH_ORDER enum)
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| void | rotator_setNormType (void *const hRot, int newType) |
| | Sets the Ambisonic normalisation convention to decode with, in order to match with the convention employed by the input signals (see NORM_TYPES enum)
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| void | rotator_setOrder (void *const hRot, int newOrder) |
| | Sets the input/output order (see SH_ORDERS enum)
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| int | rotator_getFrameSize (void) |
| | Returns the processing framesize (i.e., number of samples processed with every _process() call )
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| float | rotator_getYaw (void *const hRot) |
| | Returns the 'yaw' rotation angle, in DEGREES.
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| float | rotator_getPitch (void *const hRot) |
| | Returns the 'pitch' rotation angle, in DEGREES.
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| float | rotator_getRoll (void *const hRot) |
| | Returns the 'roll' rotation angle, in DEGREES.
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| float | rotator_getQuaternionW (void *const hRot) |
| | Returns the quaternion 'W' value [-1..1].
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| float | rotator_getQuaternionX (void *const hRot) |
| | Returns the quaternion 'X' value [-1..1].
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| float | rotator_getQuaternionY (void *const hRot) |
| | Returns the quaternion 'Y' value [-1..1].
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| float | rotator_getQuaternionZ (void *const hRot) |
| | Returns the quaternion 'Z' value [-1..1].
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| int | rotator_getFlipYaw (void *const hRot) |
| | Returns a flag as to whether to "flip" the sign of the current 'yaw' angle (0: do not flip sign, 1: flip the sign)
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| int | rotator_getFlipPitch (void *const hRot) |
| | Returns a flag as to whether to "flip" the sign of the current 'pitch' angle (0: do not flip sign, 1: flip the sign)
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| int | rotator_getFlipRoll (void *const hRot) |
| | Returns a flag as to whether to "flip" the sign of the current 'roll' angle (0: do not flip sign, 1: flip the sign)
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| int | rotator_getFlipQuaternion (void *const hRot) |
| | Returns a flag as to whether to invert the quaternion used for rotation (0: do not flip sign, 1: flip the sign)
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| int | rotator_getRPYflag (void *const hRot) |
| | Returns a flag as to whether to use "yaw-pitch-roll" (0) or "roll-pitch-yaw" (1) rotation order.
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| int | rotator_getChOrder (void *const hRot) |
| | Returns the Ambisonic channel ordering convention currently being used to decode with, which should match the convention employed by the input signals (see CH_ORDER enum)
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| int | rotator_getNormType (void *const hRot) |
| | Returns the Ambisonic normalisation convention currently being usedto decode with, which should match the convention employed by the input signals (see NORM_TYPES enum)
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| int | rotator_getOrder (void *const hRot) |
| | Returns the input/output order (see SH_ORDERS enum)
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| int | rotator_getNSHrequired (void *const hRot) |
| | Returns the number of spherical harmonic signals required by the current input/output order: (current_order+1)^2.
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| int | rotator_getProcessingDelay () |
| | Returns the processing delay in samples (may be used for delay compensation features)
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A basic spherical harmonic/ Ambisonic signals rotator, based on the recursive approach detailed in [1].
- Test
- test__saf_example_rotator()
- See also
- [1] Ivanic, J., Ruedenberg, K. (1998). Rotation Matrices for Real Spherical Harmonics. Direct Determination by Recursion Page: Additions and Corrections. Journal of Physical Chemistry A, 102(45), 9099?9100.
- Author
- Leo McCormack
- Date
- 02.11.2017
- License
- ISC
Definition in file rotator.c.
1.10.0