#define MAX_ELEM_ID 16
#define TNS_MAX_ORDER 20
-#define PNS_MEAN_ENERGY 3719550720.0f // sqrt(3.0) * 1<<31
enum AudioObjectType {
AOT_NULL,
AFTER_IMDCT = 3,
};
+/**
+ * Predictor State
+ */
+typedef struct {
+ float cor0;
+ float cor1;
+ float var0;
+ float var1;
+ float r0;
+ float r1;
+} PredictorState;
+
+#define MAX_PREDICTORS 672
+
/**
* Individual Channel Stream
*/
int num_swb; ///< number of scalefactor window bands
int num_windows;
int tns_max_bands;
+ int predictor_present;
+ int predictor_initialized;
+ int predictor_reset_group;
+ uint8_t prediction_used[41];
+ PredictorState predictor_state[MAX_PREDICTORS];
} IndividualChannelStream;
/**
int num_coupled; ///< number of target elements
enum RawDataBlockType type[8]; ///< Type of channel element to be coupled - SCE or CPE.
int id_select[8]; ///< element id
- int ch_select[8]; /**< [0] shared list of gains; [1] list of gains for left channel;
- * [2] list of gains for right channel; [3] lists of gains for both channels
+ int ch_select[8]; /**< [0] shared list of gains; [1] list of gains for right channel;
+ * [2] list of gains for left channel; [3] lists of gains for both channels
*/
float gain[16][120];
} ChannelCoupling;