xref: /aosp_15_r20/external/libopus/dnn/dred_rdovae_dec.h (revision a58d3d2adb790c104798cd88c8a3aff4fa8b82cc)
1*a58d3d2aSXin Li /* Copyright (c) 2022 Amazon
2*a58d3d2aSXin Li    Written by Jan Buethe */
3*a58d3d2aSXin Li /*
4*a58d3d2aSXin Li    Redistribution and use in source and binary forms, with or without
5*a58d3d2aSXin Li    modification, are permitted provided that the following conditions
6*a58d3d2aSXin Li    are met:
7*a58d3d2aSXin Li 
8*a58d3d2aSXin Li    - Redistributions of source code must retain the above copyright
9*a58d3d2aSXin Li    notice, this list of conditions and the following disclaimer.
10*a58d3d2aSXin Li 
11*a58d3d2aSXin Li    - Redistributions in binary form must reproduce the above copyright
12*a58d3d2aSXin Li    notice, this list of conditions and the following disclaimer in the
13*a58d3d2aSXin Li    documentation and/or other materials provided with the distribution.
14*a58d3d2aSXin Li 
15*a58d3d2aSXin Li    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16*a58d3d2aSXin Li    ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17*a58d3d2aSXin Li    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
18*a58d3d2aSXin Li    A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
19*a58d3d2aSXin Li    OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
20*a58d3d2aSXin Li    EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21*a58d3d2aSXin Li    PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
22*a58d3d2aSXin Li    PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
23*a58d3d2aSXin Li    LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
24*a58d3d2aSXin Li    NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25*a58d3d2aSXin Li    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26*a58d3d2aSXin Li */
27*a58d3d2aSXin Li 
28*a58d3d2aSXin Li #ifndef DRED_RDOVAE_DEC_H
29*a58d3d2aSXin Li #define DRED_RDOVAE_DEC_H
30*a58d3d2aSXin Li 
31*a58d3d2aSXin Li #include "dred_rdovae.h"
32*a58d3d2aSXin Li #include "dred_rdovae_dec_data.h"
33*a58d3d2aSXin Li #include "dred_rdovae_stats_data.h"
34*a58d3d2aSXin Li 
35*a58d3d2aSXin Li struct RDOVAEDecStruct {
36*a58d3d2aSXin Li   int initialized;
37*a58d3d2aSXin Li   float gru1_state[DEC_GRU1_STATE_SIZE];
38*a58d3d2aSXin Li   float gru2_state[DEC_GRU2_STATE_SIZE];
39*a58d3d2aSXin Li   float gru3_state[DEC_GRU3_STATE_SIZE];
40*a58d3d2aSXin Li   float gru4_state[DEC_GRU4_STATE_SIZE];
41*a58d3d2aSXin Li   float gru5_state[DEC_GRU5_STATE_SIZE];
42*a58d3d2aSXin Li   float conv1_state[DEC_CONV1_STATE_SIZE];
43*a58d3d2aSXin Li   float conv2_state[DEC_CONV2_STATE_SIZE];
44*a58d3d2aSXin Li   float conv3_state[DEC_CONV3_STATE_SIZE];
45*a58d3d2aSXin Li   float conv4_state[DEC_CONV4_STATE_SIZE];
46*a58d3d2aSXin Li   float conv5_state[DEC_CONV5_STATE_SIZE];
47*a58d3d2aSXin Li };
48*a58d3d2aSXin Li 
49*a58d3d2aSXin Li void dred_rdovae_dec_init_states(RDOVAEDecState *h, const RDOVAEDec *model, const float * initial_state, int arch);
50*a58d3d2aSXin Li void dred_rdovae_decode_qframe(RDOVAEDecState *h, const RDOVAEDec *model, float *qframe, const float * z, int arch);
51*a58d3d2aSXin Li void DRED_rdovae_decode_all(const RDOVAEDec *model, float *features, const float *state, const float *latents, int nb_latents, int arch);
52*a58d3d2aSXin Li 
53*a58d3d2aSXin Li #endif
54