+/* psychoacoustic setup ********************************************/
+#define P_BANDS 17 /* 62Hz to 16kHz */
+#define P_LEVELS 8 /* 30dB to 100dB */
+#define P_LEVEL_0 30. /* 30 dB */
+#define P_NOISECURVES 3
+
+#define NOISE_COMPAND_LEVELS 40
+typedef struct vorbis_info_psy{
+ int blockflag;
+
+ float ath_adjatt;
+ float ath_maxatt;
+
+ float tone_masteratt[P_NOISECURVES];
+ float tone_centerboost;
+ float tone_decay;
+ float tone_abs_limit;
+ float toneatt[P_BANDS];
+
+ int noisemaskp;
+ float noisemaxsupp;
+ float noisewindowlo;
+ float noisewindowhi;
+ int noisewindowlomin;
+ int noisewindowhimin;
+ int noisewindowfixed;
+ float noiseoff[P_NOISECURVES][P_BANDS];
+ float noisecompand[NOISE_COMPAND_LEVELS];
+
+ float max_curve_dB;
+
+ int normal_p;
+ int normal_start;
+ int normal_partition;
+ double normal_thresh;
+} vorbis_info_psy;
+
+typedef struct{
+ int eighth_octave_lines;
+
+ /* for block long/short tuning; encode only */
+ float preecho_thresh[VE_BANDS];
+ float postecho_thresh[VE_BANDS];
+ float stretch_penalty;
+ float preecho_minenergy;
+
+ float ampmax_att_per_sec;
+
+ /* channel coupling config */
+ int coupling_pkHz[PACKETBLOBS];
+ int coupling_pointlimit[2][PACKETBLOBS];
+ int coupling_prepointamp[PACKETBLOBS];
+ int coupling_postpointamp[PACKETBLOBS];
+ int sliding_lowpass[2][PACKETBLOBS];
+
+} vorbis_info_psy_global;
+
+typedef struct {
+ float ampmax;
+ int channels;
+
+ vorbis_info_psy_global *gi;
+ int coupling_pointlimit[2][P_NOISECURVES];
+} vorbis_look_psy_global;
+
+