Data Structures |
struct | osmo_jibuf |
| A structure representing a single instance of a jitter buffer. More...
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struct | osmo_jibuf_msgb_cb |
Files |
file | jibuf.h |
| Osmocom Jitter Buffer helpers.
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file | jibuf.c |
| Osmocom Jitter Buffer helpers.
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Defines |
#define | SAMPLES_PER_PKT 160 |
#define | SAMPLE_RATE 8000 |
#define | JIBUF_DEFAULT_MIN_DELAY_MS 60 |
#define | JIBUF_DEFAULT_MAX_DELAY_MS 200 |
#define | JIBUF_REFERENCE_TS_FREQ 60 |
#define | JIBUF_BUFFER_RECALC_FREQ 40 |
#define | JIBUF_ALLOWED_PKT_DROP 3 |
#define | JIBUF_ALLOWED_PKT_CONSECUTIVE_DROP 1 |
#define | JIBUF_BUFFER_INC_STEP 20 |
#define | JIBUF_BUFFER_DEC_STEP 5 |
#define | JIBUF_SKEW_WEIGHT ((double)1/32) |
#define | JIBUF_MSGB_CB(__msgb) ((struct osmo_jibuf_msgb_cb *)&((__msgb)->cb[0])) |
Typedefs |
typedef void(* | osmo_jibuf_dequeue_cb )(struct msgb *msg, void *data) |
Functions |
struct osmo_jibuf * | osmo_jibuf_alloc (void *talloc_ctx) |
| Allocate a new jitter buffer instance.
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void | osmo_jibuf_delete (struct osmo_jibuf *jb) |
| Destroy a previously allocated jitter buffer instance.
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int | osmo_jibuf_enqueue (struct osmo_jibuf *jb, struct msgb *msg) |
| Try to enqueue a packet into the jitter buffer.
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bool | osmo_jibuf_empty (struct osmo_jibuf *jb) |
| Check whether the jitter buffer instance has packets queued or not.
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void | osmo_jibuf_set_min_delay (struct osmo_jibuf *jb, uint32_t min_delay) |
| Set minimum buffer size for the jitter buffer.
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void | osmo_jibuf_set_max_delay (struct osmo_jibuf *jb, uint32_t max_delay) |
| Set maximum buffer size for the jitter buffer.
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void | osmo_jibuf_enable_skew_compensation (struct osmo_jibuf *jb, bool enable) |
| Toggle use of skew detection and compensation mechanism.
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void | osmo_jibuf_set_dequeue_cb (struct osmo_jibuf *jb, osmo_jibuf_dequeue_cb dequeue_cb, void *cb_data) |
| Set dequeue callback for the jitter buffer.
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static void | ms2timeval (struct timeval *ts, uint32_t ms) |
static uint32_t | timeval2ms (const struct timeval *ts) |
static int | clock_gettime_timeval (clockid_t clk_id, struct timeval *tp) |
static struct timeval * | msgb_scheduled_ts (const struct msgb *msg) |
static void | llist_add_sorted (struct msgb *msg, struct llist_head *msg_list) |
static bool | msg_get_marker (struct msgb *msg) |
static uint16_t | msg_get_sequence (struct msgb *msg) |
static uint32_t | msg_get_timestamp (struct msgb *msg) |
static int32_t | samples2ms (int32_t samples) |
static int | calc_pkt_rel_delay (struct osmo_jibuf *jb, struct msgb *msg) |
static bool | msg_is_in_sequence (struct osmo_jibuf *jb, struct msgb *msg) |
static bool | msg_is_syncpoint (struct osmo_jibuf *jb, struct msgb *msg) |
static void | msg_set_as_reference (struct osmo_jibuf *jb, struct msgb *msg) |
static void | dequeue_msg (struct osmo_jibuf *jb, struct msgb *msg) |
static void | timer_expired (void *data) |
static void | recalc_clock_skew (struct osmo_jibuf *jb, int32_t rel_delay) |
static void | recalc_threshold_delay (struct osmo_jibuf *jb) |
Variables |
struct osmo_jibuf | __attribute__ |