avutil/half2float: move non-inline init code out of header

1 files changed, 2 insertions, 44 deletions

diff --git a/libavutil/half2float.h b/libavutil/half2float.h
index 5696567a8c..428a27a19f 100644
--- a/libavutil/half2float.h
+++ b/libavutil/half2float.h
@@ -27,51 +27,9 @@ typedef struct Half2FloatTables {
     uint16_t offsettable[64];
 } Half2FloatTables;
 
-static uint32_t convertmantissa(uint32_t i)
-{
-    int32_t m = i << 13; // Zero pad mantissa bits
-    int32_t e = 0; // Zero exponent
-
-    while (!(m & 0x00800000)) { // While not normalized
-        e -= 0x00800000; // Decrement exponent (1<<23)
-        m <<= 1; // Shift mantissa
-    }
-
-    m &= ~0x00800000; // Clear leading 1 bit
-    e +=  0x38800000; // Adjust bias ((127-14)<<23)
-
-    return m | e; // Return combined number
-}
-
-static void init_half2float_tables(Half2FloatTables *t)
-{
-    t->mantissatable[0] = 0;
-    for (int i = 1; i < 1024; i++)
-        t->mantissatable[i] = convertmantissa(i);
-    for (int i = 1024; i < 2048; i++)
-        t->mantissatable[i] = 0x38000000UL + ((i - 1024) << 13UL);
-    for (int i = 2048; i < 3072; i++)
-        t->mantissatable[i] = t->mantissatable[i - 1024] | 0x400000UL;
-    t->mantissatable[2048] = t->mantissatable[1024];
-
-    t->exponenttable[0] = 0;
-    for (int i = 1; i < 31; i++)
-        t->exponenttable[i] = i << 23;
-    for (int i = 33; i < 63; i++)
-        t->exponenttable[i] = 0x80000000UL + ((i - 32) << 23UL);
-    t->exponenttable[31]= 0x47800000UL;
-    t->exponenttable[32]= 0x80000000UL;
-    t->exponenttable[63]= 0xC7800000UL;
-
-    t->offsettable[0] = 0;
-    for (int i = 1; i < 64; i++)
-        t->offsettable[i] = 1024;
-    t->offsettable[31] = 2048;
-    t->offsettable[32] = 0;
-    t->offsettable[63] = 2048;
-}
+void ff_init_half2float_tables(Half2FloatTables *t);
 
-static uint32_t half2float(uint16_t h, const Half2FloatTables *t)
+static inline uint32_t half2float(uint16_t h, const Half2FloatTables *t)
 {
     uint32_t f;