libavcodec: Make use of av_clip functions

Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>

13 files changed, 31 insertions, 32 deletions

diff --git a/libavcodec/aaccoder.c b/libavcodec/aaccoder.c
index 35b98a9ae2..ee89148ef4 100644
--- a/libavcodec/aaccoder.c
+++ b/libavcodec/aaccoder.c
@@ -161,7 +161,7 @@ static av_always_inline float quantize_and_encode_band_cost_template(
                         di = t - CLIPPED_ESCAPE;
                         curbits += 21;
                     } else {
-                        int c = av_clip(quant(t, Q), 0, 8191);
+                        int c = av_clip_uintp2(quant(t, Q), 13);
                         di = t - c*cbrtf(c)*IQ;
                         curbits += av_log2(c)*2 - 4 + 1;
                     }
@@ -191,7 +191,7 @@ static av_always_inline float quantize_and_encode_band_cost_template(
             if (BT_ESC) {
                 for (j = 0; j < 2; j++) {
                     if (ff_aac_codebook_vectors[cb-1][curidx*2+j] == 64.0f) {
-                        int coef = av_clip(quant(fabsf(in[i+j]), Q), 0, 8191);
+                        int coef = av_clip_uintp2(quant(fabsf(in[i+j]), Q), 13);
                         int len = av_log2(coef);
 
                         put_bits(pb, len - 4 + 1, (1 << (len - 4 + 1)) - 2);
diff --git a/libavcodec/ac3dsp.c b/libavcodec/ac3dsp.c
index 25bd6e3577..933550bfdc 100644
--- a/libavcodec/ac3dsp.c
+++ b/libavcodec/ac3dsp.c
@@ -125,7 +125,7 @@ static void ac3_bit_alloc_calc_bap_c(int16_t *mask, int16_t *psd,
         band_end = FFMIN(band_end, end);
 
         for (; bin < band_end; bin++) {
-            int address = av_clip((psd[bin] - m) >> 5, 0, 63);
+            int address = av_clip_uintp2((psd[bin] - m) >> 5, 6);
             bap[bin] = bap_tab[address];
         }
     } while (end > band_end);
diff --git a/libavcodec/cavs.c b/libavcodec/cavs.c
index 788fcada21..fac695843c 100644
--- a/libavcodec/cavs.c
+++ b/libavcodec/cavs.c
@@ -90,9 +90,9 @@ static inline int get_bs(cavs_vector *mvP, cavs_vector *mvQ, int b)
 }
 
 #define SET_PARAMS                                                \
-    alpha = alpha_tab[av_clip(qp_avg + h->alpha_offset, 0, 63)];  \
-    beta  =  beta_tab[av_clip(qp_avg + h->beta_offset,  0, 63)];  \
-    tc    =    tc_tab[av_clip(qp_avg + h->alpha_offset, 0, 63)];
+    alpha = alpha_tab[av_clip_uintp2(qp_avg + h->alpha_offset, 6)];  \
+    beta  =  beta_tab[av_clip_uintp2(qp_avg + h->beta_offset,  6)];  \
+    tc    =    tc_tab[av_clip_uintp2(qp_avg + h->alpha_offset, 6)];
 
 /**
  * in-loop deblocking filter for a single macroblock
diff --git a/libavcodec/g722dec.c b/libavcodec/g722dec.c
index e7058b7ee1..a1b3aa78c9 100644
--- a/libavcodec/g722dec.c
+++ b/libavcodec/g722dec.c
@@ -112,13 +112,13 @@ static int g722_decode_frame(AVCodecContext *avctx, void *data,
         ilow = get_bits(&gb, 6 - skip);
         skip_bits(&gb, skip);
 
-        rlow = av_clip((c->band[0].scale_factor * quantizer_table[ilow] >> 10)
-                      + c->band[0].s_predictor, -16384, 16383);
+        rlow = av_clip_intp2((c->band[0].scale_factor * quantizer_table[ilow] >> 10)
+                      + c->band[0].s_predictor, 14);
 
         ff_g722_update_low_predictor(&c->band[0], ilow >> (2 - skip));
 
         dhigh = c->band[1].scale_factor * ff_g722_high_inv_quant[ihigh] >> 10;
-        rhigh = av_clip(dhigh + c->band[1].s_predictor, -16384, 16383);
+        rhigh = av_clip_intp2(dhigh + c->band[1].s_predictor, 14);
 
         ff_g722_update_high_predictor(&c->band[1], dhigh, ihigh);
 
diff --git a/libavcodec/g722enc.c b/libavcodec/g722enc.c
index e67ccf5324..3943622137 100644
--- a/libavcodec/g722enc.c
+++ b/libavcodec/g722enc.c
@@ -225,9 +225,9 @@ static void g722_encode_trellis(G722Context *c, int trellis,
                 if (k < 0)
                     continue;
 
-                decoded = av_clip((cur_node->state.scale_factor *
+                decoded = av_clip_intp2((cur_node->state.scale_factor *
                                   ff_g722_low_inv_quant6[k] >> 10)
-                                + cur_node->state.s_predictor, -16384, 16383);
+                                + cur_node->state.s_predictor, 14);
                 dec_diff = xlow - decoded;
 
 #define STORE_NODE(index, UPDATE, VALUE)\
@@ -284,8 +284,7 @@ static void g722_encode_trellis(G722Context *c, int trellis,
 
                 dhigh = cur_node->state.scale_factor *
                         ff_g722_high_inv_quant[ihigh] >> 10;
-                decoded = av_clip(dhigh + cur_node->state.s_predictor,
-                                  -16384, 16383);
+                decoded = av_clip_intp2(dhigh + cur_node->state.s_predictor, 14);
                 dec_diff = xhigh - decoded;
 
                 STORE_NODE(1, ff_g722_update_high_predictor(&node->state, dhigh, ihigh), ihigh);
diff --git a/libavcodec/g726.c b/libavcodec/g726.c
index 62aeb797e8..9ad91f238e 100644
--- a/libavcodec/g726.c
+++ b/libavcodec/g726.c
@@ -218,7 +218,7 @@ static int16_t g726_decode(G726Context* c, int I)
             c->b[i] = 0;
     } else {
         /* This is a bit crazy, but it really is +255 not +256 */
-        fa1 = av_clip((-c->a[0]*c->pk[0]*pk0)>>5, -256, 255);
+        fa1 = av_clip_intp2((-c->a[0]*c->pk[0]*pk0)>>5, 8);
 
         c->a[1] += 128*pk0*c->pk[1] + fa1 - (c->a[1]>>7);
         c->a[1] = av_clip(c->a[1], -12288, 12288);
diff --git a/libavcodec/h264_direct.c b/libavcodec/h264_direct.c
index f98389868d..855526ed03 100644
--- a/libavcodec/h264_direct.c
+++ b/libavcodec/h264_direct.c
@@ -37,13 +37,13 @@
 static int get_scale_factor(H264Context *const h, int poc, int poc1, int i)
 {
     int poc0 = h->ref_list[0][i].poc;
-    int td = av_clip(poc1 - poc0, -128, 127);
+    int td = av_clip_int8(poc1 - poc0);
     if (td == 0 || h->ref_list[0][i].long_ref) {
         return 256;
     } else {
-        int tb = av_clip(poc - poc0, -128, 127);
+        int tb = av_clip_int8(poc - poc0);
         int tx = (16384 + (FFABS(td) >> 1)) / td;
-        return av_clip((tb * tx + 32) >> 6, -1024, 1023);
+        return av_clip_intp2((tb * tx + 32) >> 6, 10);
     }
 }
 
diff --git a/libavcodec/h264_slice.c b/libavcodec/h264_slice.c
index 4eb2767a5c..e1e87ebe68 100644
--- a/libavcodec/h264_slice.c
+++ b/libavcodec/h264_slice.c
@@ -853,9 +853,9 @@ static void implicit_weight_table(H264Context *h, int field)
             int w = 32;
             if (!h->ref_list[0][ref0].long_ref && !h->ref_list[1][ref1].long_ref) {
                 int poc1 = h->ref_list[1][ref1].poc;
-                int td   = av_clip(poc1 - poc0, -128, 127);
+                int td   = av_clip_int8(poc1 - poc0);
                 if (td) {
-                    int tb = av_clip(cur_poc - poc0, -128, 127);
+                    int tb = av_clip_int8(cur_poc - poc0);
                     int tx = (16384 + (FFABS(td) >> 1)) / td;
                     int dist_scale_factor = (tb * tx + 32) >> 8;
                     if (dist_scale_factor >= -64 && dist_scale_factor <= 128)
diff --git a/libavcodec/motionpixels.c b/libavcodec/motionpixels.c
index da2727fdf5..c8cf00b69c 100644
--- a/libavcodec/motionpixels.c
+++ b/libavcodec/motionpixels.c
@@ -212,13 +212,13 @@ static void mp_decode_line(MotionPixelsContext *mp, GetBitContext *gb, int y)
             p = mp_get_yuv_from_rgb(mp, x - 1, y);
         } else {
             p.y += mp_gradient(mp, 0, mp_get_vlc(mp, gb));
-            p.y = av_clip(p.y, 0, 31);
+            p.y = av_clip_uintp2(p.y, 5);
             if ((x & 3) == 0) {
                 if ((y & 3) == 0) {
                     p.v += mp_gradient(mp, 1, mp_get_vlc(mp, gb));
-                    p.v = av_clip(p.v, -32, 31);
+                    p.v = av_clip_intp2(p.v, 5);
                     p.u += mp_gradient(mp, 2, mp_get_vlc(mp, gb));
-                    p.u = av_clip(p.u, -32, 31);
+                    p.u = av_clip_intp2(p.u, 5);
                     mp->hpt[((y / 4) * mp->avctx->width + x) / 4] = p;
                 } else {
                     p.v = mp->hpt[((y / 4) * mp->avctx->width + x) / 4].v;
@@ -242,12 +242,12 @@ static void mp_decode_frame_helper(MotionPixelsContext *mp, GetBitContext *gb)
             p = mp_get_yuv_from_rgb(mp, 0, y);
         } else {
             p.y += mp_gradient(mp, 0, mp_get_vlc(mp, gb));
-            p.y = av_clip(p.y, 0, 31);
+            p.y = av_clip_uintp2(p.y, 5);
             if ((y & 3) == 0) {
                 p.v += mp_gradient(mp, 1, mp_get_vlc(mp, gb));
-                p.v = av_clip(p.v, -32, 31);
+                p.v = av_clip_intp2(p.v, 5);
                 p.u += mp_gradient(mp, 2, mp_get_vlc(mp, gb));
-                p.u = av_clip(p.u, -32, 31);
+                p.u = av_clip_intp2(p.u, 5);
             }
             mp->vpt[y] = p;
             mp_set_rgb_from_yuv(mp, 0, y, &p);
diff --git a/libavcodec/opus_celt.c b/libavcodec/opus_celt.c
index a6220e556c..d453e2d2e9 100644
--- a/libavcodec/opus_celt.c
+++ b/libavcodec/opus_celt.c
@@ -1909,7 +1909,7 @@ static void celt_decode_bands(CeltContext *s, OpusRangeCoder *rc)
         s->remaining2 = totalbits - consumed - 1;
         if (i <= s->codedbands - 1) {
             int curr_balance = s->remaining / FFMIN(3, s->codedbands-i);
-            b = av_clip(FFMIN(s->remaining2 + 1, s->pulses[i] + curr_balance), 0, 16383);
+            b = av_clip_uintp2(FFMIN(s->remaining2 + 1, s->pulses[i] + curr_balance), 14);
         } else
             b = 0;
 
diff --git a/libavcodec/opus_silk.c b/libavcodec/opus_silk.c
index 3552484542..f881325d7b 100644
--- a/libavcodec/opus_silk.c
+++ b/libavcodec/opus_silk.c
@@ -1077,7 +1077,7 @@ static inline void silk_decode_lpc(SilkContext *s, SilkFrame *frame,
         weight = y + ((213 * fpart * y) >> 16);
 
         value = cur * 128 + (lsf_res[i] * 16384) / weight;
-        nlsf[i] = av_clip(value, 0, 32767);
+        nlsf[i] = av_clip_uintp2(value, 15);
     }
 
     /* stabilize the NLSF coefficients */
@@ -1288,8 +1288,8 @@ static void silk_decode_frame(SilkContext *s, OpusRangeCoder *rc,
         } else {
             /* gain is coded relative */
             int delta_gain = opus_rc_getsymbol(rc, silk_model_gain_delta);
-            log_gain = av_clip(FFMAX((delta_gain<<1) - 16,
-                                     frame->log_gain + delta_gain - 4), 0, 63);
+            log_gain = av_clip_uintp2(FFMAX((delta_gain<<1) - 16,
+                                     frame->log_gain + delta_gain - 4), 6);
         }
 
         frame->log_gain = log_gain;
diff --git a/libavcodec/takdec.c b/libavcodec/takdec.c
index 16ccdba9b1..60e80d590a 100644
--- a/libavcodec/takdec.c
+++ b/libavcodec/takdec.c
@@ -487,7 +487,7 @@ static int decode_subframe(TAKDecContext *s, int32_t *decoded,
         v += s->adsp.scalarproduct_int16(&s->residues[i], filter,
                                          FFALIGN(filter_order, 16));
 
-        v = (av_clip(v >> filter_quant, -8192, 8191) << dshift) - *decoded;
+        v = (av_clip_intp2(v >> filter_quant, 13) << dshift) - *decoded;
         *decoded++ = v;
         s->residues[filter_order + i] = v >> dshift;
     }
@@ -657,7 +657,7 @@ static int decorrelate(TAKDecContext *s, int c1, int c2, int length)
             v += s->adsp.scalarproduct_int16(&s->residues[i], filter,
                                              FFALIGN(filter_order, 16));
 
-            p1[i] = (av_clip(v >> 10, -8192, 8191) << dshift) - p1[i];
+            p1[i] = (av_clip_intp2(v >> 10, 13) << dshift) - p1[i];
         }
 
         emms_c();
diff --git a/libavcodec/vc1dec.c b/libavcodec/vc1dec.c
index 22cf1e502d..1cfe56ec8c 100644
--- a/libavcodec/vc1dec.c
+++ b/libavcodec/vc1dec.c
@@ -181,7 +181,7 @@ static void vc1_draw_sprites(VC1Context *v, SpriteData* sd)
         yoff[i] = av_clip(sd->coefs[i][5], 0, v->sprite_height-1 << 16);
         yadv[i] = av_clip(sd->coefs[i][4], 0, ((v->sprite_height << 16) - yoff[i]) / v->output_height);
     }
-    alpha = av_clip(sd->coefs[1][6], 0, (1<<16) - 1);
+    alpha = av_clip_uint16(sd->coefs[1][6]);
 
     for (plane = 0; plane < (s->flags&CODEC_FLAG_GRAY ? 1 : 3); plane++) {
         int width = v->output_width>>!!plane;