hevc: inline cabac in hls_mvd_coding(cherry picked from commit...

hevc: inline cabac in hls_mvd_coding(cherry picked from commit ad387195ad04e8a005a1bfd509e9e4f827e68fa9)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libavcodec/hevc.c

@@ -917,30 +917,6 @@ static int hls_pcm_sample(HEVCContext *s, int x0, int y0, int log2_cb_size)
     return 0;
 }
 
-static void hls_mvd_coding(HEVCContext *s, int x0, int y0, int log2_cb_size)
-{
-    HEVCLocalContext *lc = &s->HEVClc;
-    int x = ff_hevc_abs_mvd_greater0_flag_decode(s);
-    int y = ff_hevc_abs_mvd_greater0_flag_decode(s);
-
-    if (x)
-        x += ff_hevc_abs_mvd_greater1_flag_decode(s);
-    if (y)
-        y += ff_hevc_abs_mvd_greater1_flag_decode(s);
-
-    switch (x) {
-    case 2: lc->pu.mvd.x = ff_hevc_mvd_decode(s);           break;
-    case 1: lc->pu.mvd.x = ff_hevc_mvd_sign_flag_decode(s); break;
-    case 0: lc->pu.mvd.x = 0;                               break;
-    }
-
-    switch (y) {
-    case 2: lc->pu.mvd.y = ff_hevc_mvd_decode(s);           break;
-    case 1: lc->pu.mvd.y = ff_hevc_mvd_sign_flag_decode(s); break;
-    case 0: lc->pu.mvd.y = 0;                               break;
-    }
-}
-
 /**
  * 8.5.3.2.2.1 Luma sample interpolation process
  *
@@ -1128,7 +1104,7 @@ static void hls_prediction_unit(HEVCContext *s, int x0, int y0, int nPbW, int nP
                     current_mv.ref_idx[0] = ref_idx[0];
                 }
                 current_mv.pred_flag[0] = 1;
-                hls_mvd_coding(s, x0, y0, 0);
+                ff_hevc_hls_mvd_coding(s, x0, y0, 0);
                 mvp_flag[0] = ff_hevc_mvp_lx_flag_decode(s);
                 ff_hevc_luma_mv_mvp_mode(s, x0, y0, nPbW, nPbH, log2_cb_size,
                                          partIdx, merge_idx, &current_mv, mvp_flag[0], 0);
@@ -1146,7 +1122,7 @@ static void hls_prediction_unit(HEVCContext *s, int x0, int y0, int nPbW, int nP
                     lc->pu.mvd.x = 0;
                     lc->pu.mvd.y = 0;
                 } else {
-                    hls_mvd_coding(s, x0, y0, 1);
+                    ff_hevc_hls_mvd_coding(s, x0, y0, 1);
                 }
 
                 current_mv.pred_flag[1] = 1;

libavcodec/hevc.h

@@ -912,10 +912,6 @@ int ff_hevc_inter_pred_idc_decode(HEVCContext *s, int nPbW, int nPbH);
 int ff_hevc_ref_idx_lx_decode(HEVCContext *s, int num_ref_idx_lx);
 int ff_hevc_mvp_lx_flag_decode(HEVCContext *s);
 int ff_hevc_no_residual_syntax_flag_decode(HEVCContext *s);
-int ff_hevc_abs_mvd_greater0_flag_decode(HEVCContext *s);
-int ff_hevc_abs_mvd_greater1_flag_decode(HEVCContext *s);
-int ff_hevc_mvd_decode(HEVCContext *s);
-int ff_hevc_mvd_sign_flag_decode(HEVCContext *s);
 int ff_hevc_split_transform_flag_decode(HEVCContext *s, int log2_trafo_size);
 int ff_hevc_cbf_cb_cr_decode(HEVCContext *s, int trafo_depth);
 int ff_hevc_cbf_luma_decode(HEVCContext *s, int trafo_depth);
@@ -950,6 +946,8 @@ void ff_hevc_hls_residual_coding(HEVCContext *s, int x0, int y0,
                                  int log2_trafo_size, enum ScanType scan_idx,
                                  int c_idx);
 
+void ff_hevc_hls_mvd_coding(HEVCContext *s, int x0, int y0, int log2_cb_size);
+
 void ff_hevc_pps_free(HEVCPPS **ppps);
 
 extern const uint8_t ff_hevc_qpel_extra_before[4];

libavcodec/hevc_cabac.c

@@ -844,17 +844,17 @@ int ff_hevc_no_residual_syntax_flag_decode(HEVCContext *s)
     return GET_CABAC(elem_offset[NO_RESIDUAL_DATA_FLAG]);
 }
 
-int ff_hevc_abs_mvd_greater0_flag_decode(HEVCContext *s)
+static av_always_inline int abs_mvd_greater0_flag_decode(HEVCContext *s)
 {
     return GET_CABAC(elem_offset[ABS_MVD_GREATER0_FLAG]);
 }
 
-int ff_hevc_abs_mvd_greater1_flag_decode(HEVCContext *s)
+static av_always_inline int abs_mvd_greater1_flag_decode(HEVCContext *s)
 {
     return GET_CABAC(elem_offset[ABS_MVD_GREATER1_FLAG] + 1);
 }
 
-int ff_hevc_mvd_decode(HEVCContext *s)
+static av_always_inline int mvd_decode(HEVCContext *s)
 {
     int ret = 2;
     int k = 1;
@@ -870,7 +870,7 @@ int ff_hevc_mvd_decode(HEVCContext *s)
     return get_cabac_bypass_sign(&s->HEVClc.cc, -ret);
 }
 
-int ff_hevc_mvd_sign_flag_decode(HEVCContext *s)
+static av_always_inline int mvd_sign_flag_decode(HEVCContext *s)
 {
     return get_cabac_bypass_sign(&s->HEVClc.cc, -1);
 }
@@ -1392,3 +1392,27 @@ void ff_hevc_hls_residual_coding(HEVCContext *s, int x0, int y0,
     }
 }
 
+void ff_hevc_hls_mvd_coding(HEVCContext *s, int x0, int y0, int log2_cb_size)
+{
+    HEVCLocalContext *lc = &s->HEVClc;
+    int x = abs_mvd_greater0_flag_decode(s);
+    int y = abs_mvd_greater0_flag_decode(s);
+
+    if (x)
+        x += abs_mvd_greater1_flag_decode(s);
+    if (y)
+        y += abs_mvd_greater1_flag_decode(s);
+
+    switch (x) {
+        case 2: lc->pu.mvd.x = mvd_decode(s);           break;
+        case 1: lc->pu.mvd.x = mvd_sign_flag_decode(s); break;
+        case 0: lc->pu.mvd.x = 0;                       break;
+    }
+
+    switch (y) {
+        case 2: lc->pu.mvd.y = mvd_decode(s);           break;
+        case 1: lc->pu.mvd.y = mvd_sign_flag_decode(s); break;
+        case 0: lc->pu.mvd.y = 0;                       break;
+    }
+}
+