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comparison libgsmfr2/pp_state.h @ 530:96c4ed5529bf

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libgsmfr2 preproc: implement support for DTXd
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 19 Sep 2024 20:15:54 +0000
parents 573afa985df6
children
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529:79cd992de3ad 530:96c4ed5529bf
16 enum rx_dtx_st rx_state; 16 enum rx_dtx_st rx_state;
17 uint8_t speech_frame[GSMFR_RTP_FRAME_LEN]; 17 uint8_t speech_frame[GSMFR_RTP_FRAME_LEN];
18 uint8_t sid_prefix[5]; 18 uint8_t sid_prefix[5];
19 uint8_t sid_xmaxc; 19 uint8_t sid_xmaxc;
20 uint32_t cn_random_lfsr; 20 uint32_t cn_random_lfsr;
21 unsigned cn_random_6fold; 21 uint8_t cn_random_6fold;
22 uint8_t dtxd_nodata_count;
23 uint8_t dtxd_sid_flag;
22 }; 24 };
23 25
24 /* we use the same LFSR PRNG for CN as ETSI EFR implementation */ 26 /* we use the same LFSR PRNG for CN as ETSI EFR implementation */
25 #define PN_INITIAL_SEED 0x70816958L /* Pseudo noise generator seed value */ 27 #define PN_INITIAL_SEED 0x70816958L /* Pseudo noise generator seed value */