TheM14
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235 lines
8.5 KiB
C
235 lines
8.5 KiB
C
#pragma once
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#include <stdint.h>
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#if defined(_WIN32)
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#if defined(EJOC_BUILD_DLL)
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#define EJOC_API __declspec(dllexport)
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#else
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#define EJOC_API __declspec(dllimport)
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#endif
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#define EJOC_CALL __cdecl
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#else
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#define EJOC_API __attribute__((visibility("default")))
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#define EJOC_CALL
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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enum {
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EJOC_ABI_VERSION = 1,
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EJOC_FRAME_SAMPLES = 1536,
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EJOC_TIMESLOTS = 24,
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EJOC_SUBBANDS = 64,
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EJOC_CORE_CHANNELS = 5,
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EJOC_OUTPUT_CHANNELS = 16,
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EJOC_MAX_OBJECTS = 15,
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EJOC_MAX_DPOINTS = 2,
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EJOC_MAX_PARAMETER_BANDS = 23,
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EJOC_SPEAKER_BLOCK_SAMPLES = 32,
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EJOC_SPEAKER_COORDINATES = 3,
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EJOC_BINAURAL_BLOCK_SAMPLES = 512,
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EJOC_BINAURAL_INPUT_CHANNELS = 16,
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EJOC_BINAURAL_OUTPUT_CHANNELS = 2,
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EJOC_BINAURAL_QMF_BANDS = 64,
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EJOC_BINAURAL_HYBRID_BANDS = 77
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};
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typedef void* ejoc_renderer_handle;
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typedef void* ejoc_speaker_renderer_handle;
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typedef void* ejoc_binaural_renderer_handle;
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/*
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Fixed array layouts used by ejoc_renderer_process():
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bed5_planar [5][1536]
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lfe [1536] or NULL
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n_bands [15]
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n_dpoints [15]
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slope_idx [15]
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offset_ts [15][2]
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dq [15][2][5][23]
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output16 [16][1536]
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Only objects selected by object_mask are read from the descriptor arrays.
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Sparse JOC must be rejected by the caller; this ABI accepts already dequantized
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dense matrix coefficients.
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*/
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EJOC_API uint32_t EJOC_CALL ejoc_abi_version(void);
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EJOC_API const char* EJOC_CALL ejoc_build_info(void);
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EJOC_API ejoc_renderer_handle EJOC_CALL ejoc_renderer_create(void);
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EJOC_API void EJOC_CALL ejoc_renderer_destroy(ejoc_renderer_handle handle);
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EJOC_API int EJOC_CALL ejoc_renderer_reset(ejoc_renderer_handle handle);
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EJOC_API int EJOC_CALL ejoc_renderer_set_threads(ejoc_renderer_handle handle, uint32_t total_threads);
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EJOC_API uint32_t EJOC_CALL ejoc_renderer_thread_count(ejoc_renderer_handle handle);
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EJOC_API const char* EJOC_CALL ejoc_renderer_last_error(ejoc_renderer_handle handle);
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EJOC_API int EJOC_CALL ejoc_renderer_process(
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ejoc_renderer_handle handle,
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const float* bed5_planar,
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const float* lfe,
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uint32_t object_mask,
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const uint8_t* n_bands,
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const uint8_t* n_dpoints,
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const uint8_t* slope_idx,
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const uint8_t* offset_ts,
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const double* dq,
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double clipgain,
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float phase_new,
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float output_scale,
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float* output16_planar);
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/*
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High-precision object-to-speaker renderer.
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The renderer consumes interleaved float32 input PCM arranged as:
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objects16_interleaved [sample_count][16]
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where channel 0 is LFE and channels 1..15 are point objects. All spatial
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calculations, gain ramps, and accumulation use double. Output is interleaved:
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output_interleaved [sample_count][layout_channel_count]
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Each metadata entry is a complete object-state snapshot:
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metadata_offsets [metadata_count], relative to this process call
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ramp_durations [metadata_count], in samples
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positions_q15 [metadata_count][15][3]
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region_indices [metadata_count][15] or NULL (all region 0)
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height_enabled [metadata_count][15] or NULL (all enabled)
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object_gains [metadata_count][15] or NULL (all 1.0)
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metadata_offsets must be nondecreasing and <= sample_count. sample_count must
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be a multiple of EJOC_SPEAKER_BLOCK_SAMPLES. State and unfinished ramps are
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preserved across calls.
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*/
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EJOC_API uint32_t EJOC_CALL ejoc_speaker_layout_channel_count(uint32_t speaker_bitfield);
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EJOC_API ejoc_speaker_renderer_handle EJOC_CALL ejoc_speaker_renderer_create(uint32_t speaker_bitfield);
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EJOC_API void EJOC_CALL ejoc_speaker_renderer_destroy(ejoc_speaker_renderer_handle handle);
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EJOC_API int EJOC_CALL ejoc_speaker_renderer_reset(ejoc_speaker_renderer_handle handle);
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EJOC_API const char* EJOC_CALL ejoc_speaker_renderer_last_error(ejoc_speaker_renderer_handle handle);
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EJOC_API int EJOC_CALL ejoc_speaker_renderer_process(
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ejoc_speaker_renderer_handle handle,
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const float* objects16_interleaved,
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uint32_t sample_count,
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uint32_t metadata_count,
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const uint32_t* metadata_offsets,
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const uint32_t* ramp_durations,
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const uint16_t* positions_q15,
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const uint8_t* region_indices,
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const uint8_t* height_enabled,
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const double* object_gains,
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double* output_interleaved);
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EJOC_API ejoc_binaural_renderer_handle EJOC_CALL ejoc_binaural_renderer_create(void);
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EJOC_API void EJOC_CALL ejoc_binaural_renderer_destroy(ejoc_binaural_renderer_handle handle);
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EJOC_API int EJOC_CALL ejoc_binaural_renderer_reset(ejoc_binaural_renderer_handle handle);
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EJOC_API const char* EJOC_CALL ejoc_binaural_renderer_last_error(
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ejoc_binaural_renderer_handle handle);
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EJOC_API int EJOC_CALL ejoc_binaural_renderer_configure_kernels(
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ejoc_binaural_renderer_handle handle,
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const double* qmf_analysis,
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const double* hybrid_low,
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const int16_t* hybrid_indices,
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const double* hybrid_values,
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uint32_t hybrid_count,
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const double* qmf_basis,
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const double* qmf_taps);
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EJOC_API int EJOC_CALL ejoc_binaural_renderer_configure_room(
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ejoc_binaural_renderer_handle handle,
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uint32_t bands,
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uint32_t allpass_count,
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const uint32_t* allpass_delays,
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const double* allpass_gains,
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const uint32_t* fdn_delays,
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const double* fdn_matrix,
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uint32_t output_tap_delay,
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const double* feedback_complex,
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const double* output_taps,
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const double* output_complex,
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uint32_t extra_count,
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const uint32_t* extra_delays,
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const double* extra_fields_complex,
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const double* extra_matrices);
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EJOC_API int EJOC_CALL ejoc_binaural_renderer_process(
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ejoc_binaural_renderer_handle handle,
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const double* input16_interleaved,
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const double* gains_complex,
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const double* room_sends,
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double output_gain,
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double* output_stereo_interleaved);
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/*
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Native SOFA binaural renderer.
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The handle owns the complete runtime: 64-QMF/77-hybrid analysis and synthesis,
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fifth-order ACN/N3D real spherical-harmonic direction-field evaluation,
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per-object whole-QMF-slot delay histories, six first-order image-source early
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reflections, the shared unitary-FDN late room, the 120-180 Hz LFE low-pass and
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the 961-sample latency compensation. The caller configures the filterbank
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tables, the compiled HRTF field and the room constants once, then per 512-sample
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block updates every source with ejoc_sofa_binaural_set_source() and calls
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ejoc_sofa_binaural_process(). Process returns the number of trimmed stereo
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samples written; the first 961 processed samples across calls are discarded.
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*/
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typedef void* ejoc_sofa_binaural_handle;
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EJOC_API ejoc_sofa_binaural_handle EJOC_CALL ejoc_sofa_binaural_create(void);
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EJOC_API void EJOC_CALL ejoc_sofa_binaural_destroy(ejoc_sofa_binaural_handle handle);
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EJOC_API int EJOC_CALL ejoc_sofa_binaural_reset(ejoc_sofa_binaural_handle handle);
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EJOC_API const char* EJOC_CALL ejoc_sofa_binaural_last_error(
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ejoc_sofa_binaural_handle handle);
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EJOC_API int EJOC_CALL ejoc_sofa_binaural_configure_kernels(
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ejoc_sofa_binaural_handle handle,
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const double* qmf_analysis,
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const double* hybrid_low,
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const int16_t* hybrid_indices,
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const double* hybrid_values,
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uint32_t hybrid_count,
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const double* qmf_basis,
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const double* qmf_taps);
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EJOC_API int EJOC_CALL ejoc_sofa_binaural_configure_field(
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ejoc_sofa_binaural_handle handle,
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const double* coefficients,
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const double* delay_coefficients,
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const double* delay_bounds,
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const double* band_centers,
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double measurement_radius_m);
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EJOC_API int EJOC_CALL ejoc_sofa_binaural_configure_room(
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ejoc_sofa_binaural_handle handle,
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const double* room_dims,
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const double* listener_pos,
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const double* wall_gains,
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double speed_of_sound,
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const uint32_t* fdn_delays,
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const double* fdn_feedback,
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double damping,
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double fdn_output_gain,
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const uint32_t* allpass_delays,
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const double* allpass_gains,
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uint32_t enable_early_reflections,
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uint32_t enable_late_room);
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EJOC_API int EJOC_CALL ejoc_sofa_binaural_set_source(
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ejoc_sofa_binaural_handle handle,
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uint32_t source,
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const double* position_adm,
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uint32_t profile,
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double gain,
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uint32_t enabled,
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uint32_t special_lfe,
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uint32_t fade);
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EJOC_API int EJOC_CALL ejoc_sofa_binaural_process(
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ejoc_sofa_binaural_handle handle,
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const double* input16_interleaved,
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uint32_t sample_count,
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double output_gain,
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double* output_stereo_interleaved);
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EJOC_API int EJOC_CALL ejoc_sofa_binaural_finish(
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ejoc_sofa_binaural_handle handle,
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uint32_t flush_samples,
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double* output_stereo_interleaved,
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uint32_t capacity);
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#ifdef __cplusplus
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}
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#endif
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