hevc: Use generic av_clip function, not C implementation

hevc seems to be the only place where the C implementation
of the av_clip function is explicitly selected, precluding
platform-specific optimizations
Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
Signed-off-by: Anton Khirnov <anton@khirnov.net>

libavcodec/hevc.c

@@ -251,10 +251,10 @@ static void pred_weight_table(HEVCContext *s, GetBitContext *gb)
     uint8_t luma_weight_l1_flag[16];
     uint8_t chroma_weight_l1_flag[16];
 
-    s->sh.luma_log2_weight_denom = av_clip_c(get_ue_golomb_long(gb), 0, 7);
+    s->sh.luma_log2_weight_denom = av_clip(get_ue_golomb_long(gb), 0, 7);
     if (s->sps->chroma_format_idc != 0) {
         int delta = get_se_golomb(gb);
-        s->sh.chroma_log2_weight_denom = av_clip_c(s->sh.luma_log2_weight_denom + delta, 0, 7);
+        s->sh.chroma_log2_weight_denom = av_clip(s->sh.luma_log2_weight_denom + delta, 0, 7);
     }
 
     for (i = 0; i < s->sh.nb_refs[L0]; i++) {
@@ -282,7 +282,7 @@ static void pred_weight_table(HEVCContext *s, GetBitContext *gb)
                 int delta_chroma_weight_l0 = get_se_golomb(gb);
                 int delta_chroma_offset_l0 = get_se_golomb(gb);
                 s->sh.chroma_weight_l0[i][j] = (1 << s->sh.chroma_log2_weight_denom) + delta_chroma_weight_l0;
-                s->sh.chroma_offset_l0[i][j] = av_clip_c((delta_chroma_offset_l0 - ((128 * s->sh.chroma_weight_l0[i][j])
+                s->sh.chroma_offset_l0[i][j] = av_clip((delta_chroma_offset_l0 - ((128 * s->sh.chroma_weight_l0[i][j])
                                                                                     >> s->sh.chroma_log2_weight_denom) + 128), -128, 127);
             }
         } else {
@@ -318,7 +318,7 @@ static void pred_weight_table(HEVCContext *s, GetBitContext *gb)
                     int delta_chroma_weight_l1 = get_se_golomb(gb);
                     int delta_chroma_offset_l1 = get_se_golomb(gb);
                     s->sh.chroma_weight_l1[i][j] = (1 << s->sh.chroma_log2_weight_denom) + delta_chroma_weight_l1;
-                    s->sh.chroma_offset_l1[i][j] = av_clip_c((delta_chroma_offset_l1 - ((128 * s->sh.chroma_weight_l1[i][j])
+                    s->sh.chroma_offset_l1[i][j] = av_clip((delta_chroma_offset_l1 - ((128 * s->sh.chroma_weight_l1[i][j])
                                                                                         >> s->sh.chroma_log2_weight_denom) + 128), -128, 127);
                 }
             } else {
@@ -964,7 +964,7 @@ static void hls_residual_coding(HEVCContext *s, int x0, int y0,
             else
                 offset = s->pps->cr_qp_offset + s->sh.slice_cr_qp_offset;
 
-            qp_i = av_clip_c(qp_y + offset, -s->sps->qp_bd_offset, 57);
+            qp_i = av_clip(qp_y + offset, -s->sps->qp_bd_offset, 57);
             if (qp_i < 30)
                 qp = qp_i;
             else if (qp_i > 43)

libavcodec/hevc_cabac.c

@@ -365,7 +365,7 @@ static void cabac_init_state(HEVCContext *s)
         int init_value = init_values[init_type][i];
         int m = (init_value >> 4) * 5 - 45;
         int n = ((init_value & 15) << 3) - 16;
-        int pre = 2 * (((m * av_clip_c(s->sh.slice_qp, 0, 51)) >> 4) + n) - 127;
+        int pre = 2 * (((m * av_clip(s->sh.slice_qp, 0, 51)) >> 4) + n) - 127;
 
         pre ^= pre >> 31;
         if (pre > 124)

libavcodec/hevc_filter.c

@@ -58,7 +58,7 @@ static int chroma_tc(HEVCContext *s, int qp_y, int c_idx, int tc_offset)
     else
         offset = s->pps->cr_qp_offset;
 
-    qp_i = av_clip_c(qp_y + offset, 0, 57);
+    qp_i = av_clip(qp_y + offset, 0, 57);
     if (qp_i < 30)
         qp = qp_i;
     else if (qp_i > 43)
@@ -66,7 +66,7 @@ static int chroma_tc(HEVCContext *s, int qp_y, int c_idx, int tc_offset)
     else
         qp = qp_c[qp_i - 30];
 
-    idxt = av_clip_c(qp + DEFAULT_INTRA_TC_OFFSET + tc_offset, 0, 53);
+    idxt = av_clip(qp + DEFAULT_INTRA_TC_OFFSET + tc_offset, 0, 53);
     return tctable[idxt];
 }
 

libavcodec/hevc_mvs.c

@@ -141,13 +141,13 @@ static av_always_inline void mv_scale(Mv *dst, Mv *src, int td, int tb)
 {
     int tx, scale_factor;
 
-    td = av_clip_int8_c(td);
-    tb = av_clip_int8_c(tb);
+    td = av_clip_int8(td);
+    tb = av_clip_int8(tb);
     tx = (0x4000 + abs(td / 2)) / td;
-    scale_factor = av_clip_c((tb * tx + 32) >> 6, -4096, 4095);
-    dst->x = av_clip_int16_c((scale_factor * src->x + 127 +
+    scale_factor = av_clip((tb * tx + 32) >> 6, -4096, 4095);
+    dst->x = av_clip_int16((scale_factor * src->x + 127 +
                              (scale_factor * src->x < 0)) >> 8);
-    dst->y = av_clip_int16_c((scale_factor * src->y + 127 +
+    dst->y = av_clip_int16((scale_factor * src->y + 127 +
                              (scale_factor * src->y < 0)) >> 8);
 }