FreeCalypso > hg > vband-misc
view pcmu2efr/gen-amrefr.c @ 35:6bb1651f8c11
dhf: generate binary form of EFR DHF
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Tue, 14 May 2024 03:46:12 +0000 |
parents | f4420403219a |
children |
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/* * The code in this module takes linear_input_array[] from gen160.c * and generates EFR-format frames by way of libtwamr encoder. */ #include <stdio.h> #include <stdint.h> #include <stdlib.h> #include <gsm_efr.h> #include <tw_amr.h> extern uint16_t linear_input_array[480]; uint8_t amr_efr[160][31]; void generate_amr_efr(void) { struct amr_encoder_state *st; struct amr_param_frame amr_frame; unsigned m; st = amr_encoder_create(0, 0); if (!st) { fprintf(stderr, "error: amr_encoder_create() failed\n"); exit(1); } for (m = 0; m < 160; m++) { amr_encoder_reset(st, 0, 0); amr_encode_frame(st, MR122, (const int16_t *) linear_input_array + 160 - m, &amr_frame); EFR_params2frame(amr_frame.param, amr_efr[m]); } free(st); }