view libgsmfr2/silence_frame.c @ 612:a5879e04ad47

libgsmhr1/namespace.list: add encoder-specific DTX functions
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 05 Mar 2026 07:35:43 +0000
parents a33edf624061
children
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/*
 * Table 1 in section 6 of 3GPP TS 46.011 specifies a silence frame
 * in the form of GSM 06.10 parameters; here we implement this exact
 * silence frame in libgsm encoding, which is also RTP encoding.
 */

#include <stdint.h>
#include "tw_gsmfr.h"

const uint8_t gsmfr_preproc_silence_frame[GSMFR_RTP_FRAME_LEN] = {
	0xDA, 0xA7, 0xAA, 0xA5, 0x1A,
	0x50, 0x20, 0x38, 0xE4, 0x6D, 0xB9, 0x1B,
	0x50, 0x20, 0x38, 0xE4, 0x6D, 0xB9, 0x1B,
	0x50, 0x20, 0x38, 0xE4, 0x6D, 0xB9, 0x1B,
	0x50, 0x20, 0x38, 0xE4, 0x6D, 0xB9, 0x1B,
};