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71 lines
2.6 KiB
C
71 lines
2.6 KiB
C
/* Copyright (c) 2022 Amazon
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Written by Jan Buethe */
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/*
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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- Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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- Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
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OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef DRED_ENCODER_H
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#define DRED_ENCODER_H
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#include "lpcnet.h"
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#include "dred_config.h"
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#include "dred_rdovae.h"
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#include "entcode.h"
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#include "lpcnet_private.h"
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#include "dred_rdovae_enc.h"
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#include "dred_rdovae_enc_data.h"
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#define RESAMPLING_ORDER 8
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typedef struct {
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RDOVAEEnc model;
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LPCNetEncState lpcnet_enc_state;
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RDOVAEEncState rdovae_enc;
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int loaded;
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opus_int32 Fs;
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int channels;
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#define DREDENC_RESET_START input_buffer
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float input_buffer[2*DRED_DFRAME_SIZE];
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int input_buffer_fill;
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int dred_offset;
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int latent_offset;
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int last_extra_dred_offset;
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float latents_buffer[DRED_MAX_FRAMES * DRED_LATENT_DIM];
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int latents_buffer_fill;
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float state_buffer[DRED_MAX_FRAMES * DRED_STATE_DIM];
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float resample_mem[RESAMPLING_ORDER + 1];
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} DREDEnc;
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int dred_encoder_load_model(DREDEnc* enc, const void *data, int len);
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void dred_encoder_init(DREDEnc* enc, opus_int32 Fs, int channels);
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void dred_encoder_reset(DREDEnc* enc);
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void dred_deinit_encoder(DREDEnc *enc);
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void dred_compute_latents(DREDEnc *enc, const float *pcm, int frame_size, int extra_delay, int arch);
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int dred_encode_silk_frame(DREDEnc *enc, unsigned char *buf, int max_chunks, int max_bytes, int q0, int dQ, int qmax, unsigned char *activity_mem, int arch);
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#endif
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