avcodec/ffv1: template functions to allow data types different from int16_t

This is required for >= 16bit RGB support
I tried it without templates but its too much duplicated code

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

1 files changed, 6 insertions, 31 deletions

diff --git a/libavcodec/ffv1.h b/libavcodec/ffv1.h
index d9398e55c7..5f4a340a87 100644
--- a/libavcodec/ffv1.h
+++ b/libavcodec/ffv1.h
@@ -158,37 +158,6 @@ static av_always_inline int fold(int diff, int bits)
     return diff;
 }
 
-static inline int predict(int16_t *src, int16_t *last)
-{
-    const int LT = last[-1];
-    const int T  = last[0];
-    const int L  = src[-1];
-
-    return mid_pred(L, L + T - LT, T);
-}
-
-static inline int get_context(PlaneContext *p, int16_t *src,
-                              int16_t *last, int16_t *last2)
-{
-    const int LT = last[-1];
-    const int T  = last[0];
-    const int RT = last[1];
-    const int L  = src[-1];
-
-    if (p->quant_table[3][127]) {
-        const int TT = last2[0];
-        const int LL = src[-2];
-        return p->quant_table[0][(L - LT) & 0xFF] +
-               p->quant_table[1][(LT - T) & 0xFF] +
-               p->quant_table[2][(T - RT) & 0xFF] +
-               p->quant_table[3][(LL - L) & 0xFF] +
-               p->quant_table[4][(TT - T) & 0xFF];
-    } else
-        return p->quant_table[0][(L - LT) & 0xFF] +
-               p->quant_table[1][(LT - T) & 0xFF] +
-               p->quant_table[2][(T - RT) & 0xFF];
-}
-
 static inline void update_vlc_state(VlcState *const state, const int v)
 {
     int drift = state->drift;
@@ -223,4 +192,10 @@ static inline void update_vlc_state(VlcState *const state, const int v)
     state->count = count;
 }
 
+#define TYPE int16_t
+#define RENAME(name) name
+#include "ffv1_template.c"
+#undef TYPE
+#undef RENAME
+
 #endif /* AVCODEC_FFV1_H */