view ater8/submux.h @ 42:ff94d7fc5891

new program itt-ater-8
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 30 Aug 2024 19:02:42 +0000
parents ater/submux.h@237687e2be6c
children 3cc26391d24d
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/*
 * The structures and functions defined in this header file deal with
 * interfacing to the Submultiplexer part of Nokia's Transcoder and
 * Submultiplexer - the 8 kbit/s version.
 */

#pragma once

#include <stdint.h>
#include <stdbool.h>

#include <osmocom/core/bits.h>
#include <osmocom/isdn/i460_mux.h>
#include <osmocom/trau/trau_frame.h>

#define	ATER_SUBSLOTS	8

struct ater_subslot {
	struct osmo_i460_subchan *schan;
	int nr;
	bool is_active;
	bool frame_has_taf;
	struct osmo_trau_frame ul_frame;
	unsigned mfrm_count;
	int16_t *play_buffer;
	unsigned play_buf_total;
	unsigned play_buf_ptr;
	bool play_wait_align;
};

extern struct ater_subslot subslots[ATER_SUBSLOTS];

void i460_rx_func(struct osmo_i460_subchan *schan, void *user_data,
		  const ubit_t *bits, unsigned int num_bits);

void init_trau_ul_frame(int nr);