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Diffstat (limited to 'Alc/bformatdec.h')
-rw-r--r-- | Alc/bformatdec.h | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/Alc/bformatdec.h b/Alc/bformatdec.h deleted file mode 100644 index 2d7d1d62..00000000 --- a/Alc/bformatdec.h +++ /dev/null @@ -1,57 +0,0 @@ -#ifndef BFORMATDEC_H -#define BFORMATDEC_H - -#include "alMain.h" - - -/* These are the necessary scales for first-order HF responses to play over - * higher-order 2D (non-periphonic) decoders. - */ -#define W_SCALE_2H0P 1.224744871f /* sqrt(1.5) */ -#define XYZ_SCALE_2H0P 1.0f -#define W_SCALE_3H0P 1.414213562f /* sqrt(2) */ -#define XYZ_SCALE_3H0P 1.082392196f - -/* These are the necessary scales for first-order HF responses to play over - * higher-order 3D (periphonic) decoders. - */ -#define W_SCALE_2H2P 1.341640787f /* sqrt(1.8) */ -#define XYZ_SCALE_2H2P 1.0f -#define W_SCALE_3H3P 1.695486018f -#define XYZ_SCALE_3H3P 1.136697713f - - -/* NOTE: These are scale factors as applied to Ambisonics content. Decoder - * coefficients should be divided by these values to get proper N3D scalings. - */ -const ALfloat N3D2N3DScale[MAX_AMBI_COEFFS]; -const ALfloat SN3D2N3DScale[MAX_AMBI_COEFFS]; -const ALfloat FuMa2N3DScale[MAX_AMBI_COEFFS]; - - -struct AmbDecConf; -struct BFormatDec; -struct AmbiUpsampler; - - -struct BFormatDec *bformatdec_alloc(); -void bformatdec_free(struct BFormatDec **dec); -void bformatdec_reset(struct BFormatDec *dec, const struct AmbDecConf *conf, ALsizei chancount, ALuint srate, const ALsizei chanmap[MAX_OUTPUT_CHANNELS]); - -/* Decodes the ambisonic input to the given output channels. */ -void bformatdec_process(struct BFormatDec *dec, ALfloat (*restrict OutBuffer)[BUFFERSIZE], ALsizei OutChannels, const ALfloat (*restrict InSamples)[BUFFERSIZE], ALsizei SamplesToDo); - -/* Up-samples a first-order input to the decoder's configuration. */ -void bformatdec_upSample(struct BFormatDec *dec, ALfloat (*restrict OutBuffer)[BUFFERSIZE], const ALfloat (*restrict InSamples)[BUFFERSIZE], ALsizei InChannels, ALsizei SamplesToDo); - - -/* Stand-alone first-order upsampler. Kept here because it shares some stuff - * with bformatdec. Assumes a periphonic (4-channel) input mix! - */ -struct AmbiUpsampler *ambiup_alloc(); -void ambiup_free(struct AmbiUpsampler **ambiup); -void ambiup_reset(struct AmbiUpsampler *ambiup, const ALCdevice *device, ALfloat w_scale, ALfloat xyz_scale); - -void ambiup_process(struct AmbiUpsampler *ambiup, ALfloat (*restrict OutBuffer)[BUFFERSIZE], ALsizei OutChannels, const ALfloat (*restrict InSamples)[BUFFERSIZE], ALsizei SamplesToDo); - -#endif /* BFORMATDEC_H */ |