tta: remove disabled code

libavcodec/tta.c

@@ -66,23 +66,6 @@ typedef struct TTAContext {
     TTAChannel *ch_ctx;
 } TTAContext;
 
-#if 0
-static inline int shift_1(int i)
-{
-    if (i < 32)
-        return 1 << i;
-    else
-        return 0x80000000; // 16 << 31
-}
-
-static inline int shift_16(int i)
-{
-    if (i < 28)
-        return 16 << i;
-    else
-        return 0x80000000; // 16 << 27
-}
-#else
 static const uint32_t shift_1[] = {
     0x00000001, 0x00000002, 0x00000004, 0x00000008,
     0x00000010, 0x00000020, 0x00000040, 0x00000080,
@@ -97,7 +80,6 @@ static const uint32_t shift_1[] = {
 };
 
 static const uint32_t * const shift_16 = shift_1 + 4;
-#endif
 
 static const int32_t ttafilter_configs[4][2] = {
     {10, 1},
@@ -389,19 +371,6 @@ static int tta_decode_frame(AVCodecContext *avctx,
             }
             *predictor = *p;
 
-#if 0
-            // extract 32bit float from last two int samples
-            if (s->is_float && ((p - data) & 1)) {
-                uint32_t neg = *p & 0x80000000;
-                uint32_t hi = *(p - 1);
-                uint32_t lo = abs(*p) - 1;
-
-                hi += (hi || lo) ? 0x3f80 : 0;
-                // SWAP16: swap all the 16 bits
-                *(p - 1) = (hi << 16) | SWAP16(lo) | neg;
-            }
-#endif
-
             /*if ((get_bits_count(&s->gb)+7)/8 > buf_size)
             {
                 av_log(NULL, AV_LOG_INFO, "overread!!\n");