/*
- * AC-3 DSP utils
+ * AC-3 DSP functions
* Copyright (c) 2011 Justin Ruggles
*
* This file is part of Libav.
void (*extract_exponents)(uint8_t *exp, int32_t *coef, int nb_coefs);
- void (*downmix)(float (*samples)[256], float (*matrix)[2], int out_ch,
+ void (*downmix)(float **samples, float (*matrix)[2], int out_ch,
int in_ch, int len);
+
+ /**
+ * Apply symmetric window in 16-bit fixed-point.
+ * @param output destination array
+ * constraints: 16-byte aligned
+ * @param input source array
+ * constraints: 16-byte aligned
+ * @param window window array
+ * constraints: 16-byte aligned, at least len/2 elements
+ * @param len full window length
+ * constraints: multiple of ? greater than zero
+ */
+ void (*apply_window_int16)(int16_t *output, const int16_t *input,
+ const int16_t *window, unsigned int len);
} AC3DSPContext;
void ff_ac3dsp_init (AC3DSPContext *c, int bit_exact);