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_DECODER_H 29*a58d3d2aSXin Li #define DRED_DECODER_H 30*a58d3d2aSXin Li 31*a58d3d2aSXin Li #include "opus.h" 32*a58d3d2aSXin Li #include "dred_config.h" 33*a58d3d2aSXin Li #include "dred_rdovae.h" 34*a58d3d2aSXin Li #include "entcode.h" 35*a58d3d2aSXin Li #include "dred_rdovae_constants.h" 36*a58d3d2aSXin Li 37*a58d3d2aSXin Li struct OpusDRED { 38*a58d3d2aSXin Li float fec_features[2*DRED_NUM_REDUNDANCY_FRAMES*DRED_NUM_FEATURES]; 39*a58d3d2aSXin Li float state[DRED_STATE_DIM]; 40*a58d3d2aSXin Li float latents[(DRED_NUM_REDUNDANCY_FRAMES/2)*DRED_LATENT_DIM]; 41*a58d3d2aSXin Li int nb_latents; 42*a58d3d2aSXin Li int process_stage; 43*a58d3d2aSXin Li int dred_offset; 44*a58d3d2aSXin Li }; 45*a58d3d2aSXin Li 46*a58d3d2aSXin Li 47*a58d3d2aSXin Li int dred_ec_decode(OpusDRED *dec, const opus_uint8 *bytes, int num_bytes, int min_feature_frames, int dred_frame_offset); 48*a58d3d2aSXin Li 49*a58d3d2aSXin Li #endif 50