1 files changed, 53 insertions, 9 deletions
diff --git a/src/libjitter/jitter.h b/src/libjitter/jitter.h
index e344d8a..b4cb15f 100644
--- a/src/libjitter/jitter.h
+++ b/src/libjitter/jitter.h
@@ -1,14 +1,58 @@
 
+#define JITTER_FLAG_NONE	0		// no flags at all
+#define	JITTER_FLAG_LATENCY	(1 << 0)	// keep latency close to target_window_duration
+#define	JITTER_FLAG_REPEAT	(1 << 1)	// repeat audio to extrapolate gaps
+
+/* window settings for low latency audio and extrapolation of gaps */
+#define JITTER_AUDIO		0.050, 1.000, JITTER_FLAG_LATENCY | JITTER_FLAG_REPEAT
+/* window settings for analog data (fax/modem) or digial data (HDLC) */
+#define JITTER_DATA		0.100, 0.200, JITTER_FLAG_NONE
+
+typedef struct jitter_frame {
+	struct jitter_frame *next;
+	uint16_t sequence;
+	uint32_t timestamp;
+	int length;
+	uint8_t samples[0];
+} jitter_frame_t;
+
 typedef struct jitter {
-	sample_t		*spl;			/* pointer to sample buffer */
-	int			len;			/* buffer size: number of samples */
-	int			inptr, outptr;		/* write pointer and read pointer */
+	char name[64];
+
+	/* sample properties */
+	int sample_size;
+	double sample_duration;
+
+	/* automatic sequence generation */
+	uint16_t next_sequence;
+	uint32_t next_timestamp;
+
+	/* window properties */
+	int unlocked;
+	uint32_t window_flags;
+	int target_window_size;
+	int max_window_size;
+	int window_valid;
+	uint32_t window_ssrc;
+	uint32_t window_timestamp;
+
+	/* reduction of delay */
+	double delay_interval;
+	double delay_counter;
+	int32_t min_delay_value;
+
+	/* extrapolation */
+	int extra_size;
+	int extra_index;
+	void *extra_samples;
+
+	/* list of frames */
+	jitter_frame_t *frame_list;
 } jitter_t;
 
-int jitter_create(jitter_t *jitter, int length);
-void jitter_reset(jitter_t *jitter);
-void jitter_destroy(jitter_t *jitter);
-void jitter_save(jitter_t *jb, sample_t *samples, int length);
-void jitter_load(jitter_t *jb, sample_t *samples, int length);
-void jitter_clear(jitter_t *jb);
+int jitter_create(jitter_t *jb, const char *name, double samplerate, int sample_size, double target_window_duration, double max_window_duration, uint32_t window_flags);
+void jitter_reset(jitter_t *jb);
+void jitter_destroy(jitter_t *jb);
+void jitter_save(jitter_t *jb, void *samples, int length, int has_sequence, uint16_t sequence, uint32_t timestamp, uint32_t ssrc);
+void jitter_load(jitter_t *jb, void *samples, int length);