FreeCalypso > hg > gsm-codec-lib
view libtwamr/tseq_in.c @ 487:cd1f0fa936cc
doc/AMR-EFR-performance: new article
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Mon, 20 May 2024 21:53:11 +0000 |
parents | 3ce30a95769e |
children |
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/* * In this module we implement decoder input conversion from 3GPP * test sequence format to our internal struct amr_param_frame. */ #include <stdint.h> #include <string.h> #include "tw_amr.h" #include "namespace.h" #include "typedef.h" #include "cnst.h" #include "bits2prm.h" int amr_frame_from_tseq(const uint16_t *cod, int use_rxtype, struct amr_param_frame *frame) { enum RXFrameType rx_type; int rc; if (use_rxtype) { if (cod[0] >= RX_N_FRAMETYPES) return -1; rx_type = cod[0]; } else { rc = amr_txtype_to_rxtype(cod[0], &rx_type); if (rc < 0) return -1; } frame->type = rx_type; if (rx_type == RX_NO_DATA) { frame->mode = 0xFF; return 0; } if (cod[MAX_SERIAL_SIZE+1] > 7) return -2; frame->mode = cod[MAX_SERIAL_SIZE+1]; switch (rx_type) { case RX_SPEECH_GOOD: case RX_SPEECH_DEGRADED: case RX_SPEECH_BAD: Bits2prm(frame->mode, cod + 1, frame->param); break; case RX_SID_UPDATE: case RX_SID_BAD: Bits2prm(MRDTX, cod + 1, frame->param); break; } return 0; }