osmocom-bb/src/host/layer23/include/osmocom/bb/mobile/gapk_io.h

48 lines
1.2 KiB
C

#pragma once
#ifdef WITH_GAPK_IO
#include <stdint.h>
#include <stdbool.h>
#include <osmocom/gapk/procqueue.h>
#include <osmocom/gapk/codecs.h>
#define GAPK_ULDL_QUEUE_LIMIT 8
/* Forward declarations */
struct osmocom_ms;
struct msgb;
struct gapk_io_state {
/* src/alsa -> proc/codec -> sink/tch_fb */
struct osmo_gapk_pq *pq_source;
/* src/tch_fb -> proc/codec -> sink/alsa */
struct osmo_gapk_pq *pq_sink;
/* Description of currently used codec / format */
const struct osmo_gapk_format_desc *phy_fmt_desc;
const struct osmo_gapk_codec_desc *codec_desc;
/* DL TCH frame buffer (received, to be played) */
struct llist_head tch_dl_fb;
unsigned int tch_dl_fb_len;
/* UL TCH frame buffer (captured, to be sent) */
struct llist_head tch_ul_fb;
unsigned int tch_ul_fb_len;
};
struct gapk_io_state *
gapk_io_state_alloc(struct osmocom_ms *ms,
enum osmo_gapk_codec_type codec);
struct gapk_io_state *
gapk_io_state_alloc_mode_rate(struct osmocom_ms *ms,
enum gsm48_chan_mode ch_mode,
bool full_rate);
void gapk_io_state_free(struct gapk_io_state *state);
void gapk_io_enqueue_dl(struct gapk_io_state *state, struct msgb *msg);
void gapk_io_dequeue_ul(struct osmocom_ms *ms, struct gapk_io_state *state);
#endif /* WITH_GAPK_IO */