aacdec: move prediction to separate files

1 files changed, 0 insertions, 65 deletions

diff --git a/libavcodec/aacdec.c b/libavcodec/aacdec.c
index d269b93564..cc2b9bedfb 100644
--- a/libavcodec/aacdec.c
+++ b/libavcodec/aacdec.c
@@ -63,71 +63,6 @@
 #   include "mips/aacdec_mips.h"
 #endif
 
-static av_always_inline void reset_predict_state(PredictorState *ps)
-{
-    ps->r0   = 0.0f;
-    ps->r1   = 0.0f;
-    ps->cor0 = 0.0f;
-    ps->cor1 = 0.0f;
-    ps->var0 = 1.0f;
-    ps->var1 = 1.0f;
-}
-
-static av_always_inline float flt16_round(float pf)
-{
-    union av_intfloat32 tmp;
-    tmp.f = pf;
-    tmp.i = (tmp.i + 0x00008000U) & 0xFFFF0000U;
-    return tmp.f;
-}
-
-static av_always_inline float flt16_even(float pf)
-{
-    union av_intfloat32 tmp;
-    tmp.f = pf;
-    tmp.i = (tmp.i + 0x00007FFFU + (tmp.i & 0x00010000U >> 16)) & 0xFFFF0000U;
-    return tmp.f;
-}
-
-static av_always_inline float flt16_trunc(float pf)
-{
-    union av_intfloat32 pun;
-    pun.f = pf;
-    pun.i &= 0xFFFF0000U;
-    return pun.f;
-}
-
-static av_always_inline void predict(PredictorState *ps, float *coef,
-                                     int output_enable)
-{
-    const float a     = 0.953125; // 61.0 / 64
-    const float alpha = 0.90625;  // 29.0 / 32
-    float e0, e1;
-    float pv;
-    float k1, k2;
-    float   r0 = ps->r0,     r1 = ps->r1;
-    float cor0 = ps->cor0, cor1 = ps->cor1;
-    float var0 = ps->var0, var1 = ps->var1;
-
-    k1 = var0 > 1 ? cor0 * flt16_even(a / var0) : 0;
-    k2 = var1 > 1 ? cor1 * flt16_even(a / var1) : 0;
-
-    pv = flt16_round(k1 * r0 + k2 * r1);
-    if (output_enable)
-        *coef += pv;
-
-    e0 = *coef;
-    e1 = e0 - k1 * r0;
-
-    ps->cor1 = flt16_trunc(alpha * cor1 + r1 * e1);
-    ps->var1 = flt16_trunc(alpha * var1 + 0.5f * (r1 * r1 + e1 * e1));
-    ps->cor0 = flt16_trunc(alpha * cor0 + r0 * e0);
-    ps->var0 = flt16_trunc(alpha * var0 + 0.5f * (r0 * r0 + e0 * e0));
-
-    ps->r1 = flt16_trunc(a * (r0 - k1 * e0));
-    ps->r0 = flt16_trunc(a * e0);
-}
-
 #include "aacdec_template.c"
 
 #define LOAS_SYNC_WORD   0x2b7       ///< 11 bits LOAS sync word