44 lines
1.1 KiB
C
44 lines
1.1 KiB
C
#pragma once
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#ifdef WITH_GAPK_IO
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#include <stdint.h>
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#include <osmocom/gapk/procqueue.h>
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#include <osmocom/gapk/codecs.h>
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#define GAPK_ULDL_QUEUE_LIMIT 8
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/* Forward declarations */
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struct osmocom_ms;
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struct msgb;
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struct gapk_io_state {
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/* src/alsa -> proc/codec -> sink/tch_fb */
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struct osmo_gapk_pq *pq_source;
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/* src/tch_fb -> proc/codec -> sink/alsa */
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struct osmo_gapk_pq *pq_sink;
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/* Description of currently used codec / format */
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const struct osmo_gapk_format_desc *phy_fmt_desc;
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const struct osmo_gapk_codec_desc *codec_desc;
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/* DL TCH frame buffer (received, to be played) */
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struct llist_head tch_dl_fb;
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unsigned int tch_dl_fb_len;
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/* UL TCH frame buffer (captured, to be sent) */
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struct llist_head tch_ul_fb;
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unsigned int tch_ul_fb_len;
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};
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void gapk_io_init(void);
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int gapk_io_init_ms(struct osmocom_ms *ms, enum osmo_gapk_codec_type codec);
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int gapk_io_init_ms_chan(struct osmocom_ms *ms, uint8_t ch_type, uint8_t ch_mode);
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int gapk_io_clean_up_ms(struct osmocom_ms *ms);
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void gapk_io_enqueue_dl(struct gapk_io_state *state, struct msgb *msg);
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int gapk_io_serve_ms(struct osmocom_ms *ms);
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#endif /* WITH_GAPK_IO */
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