Merge commit 'd15c21e5fa3961f10026da1a3080a3aa3cf4cec9'

* commit 'd15c21e5fa3961f10026da1a3080a3aa3cf4cec9':
  avutil: Add a copy of ff_sqrt_tab back into avutil to restore ABI compatibility
  avutil: make some tables visible again
  avutil: remove inline av_log2 from public API
  celp_math: rename ff_log2 to ff_log2_q15

Conflicts:
	libavutil/libavutil.v

Merged-by: Michael Niedermayer <michaelni@gmx.at>

6 files changed, 34 insertions, 14 deletions

diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index 1c6e148424..875670b87e 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -33,6 +33,7 @@ OBJS = allcodecs.o                                                      \
        resample.o                                                       \
        resample2.o                                                      \
        simple_idct.o                                                    \
+       sqrt_tab.o                                                       \
        utils.o                                                          \
 
 # parts needed for many different codecs
diff --git a/libavcodec/acelp_pitch_delay.c b/libavcodec/acelp_pitch_delay.c
index e488cc8eff..95bcce7a4a 100644
--- a/libavcodec/acelp_pitch_delay.c
+++ b/libavcodec/acelp_pitch_delay.c
@@ -87,7 +87,7 @@ void ff_acelp_update_past_gain(
     if(erasure)
         quant_energy[0] = FFMAX(avg_gain >> log2_ma_pred_order, -10240) - 4096; // -10 and -4 in (5.10)
     else
-        quant_energy[0] = (6165 * ((ff_log2(gain_corr_factor) >> 2) - (13 << 13))) >> 13;
+        quant_energy[0] = (6165 * ((ff_log2_q15(gain_corr_factor) >> 2) - (13 << 13))) >> 13;
 }
 
 int16_t ff_acelp_decode_gain_code(
diff --git a/libavcodec/celp_math.c b/libavcodec/celp_math.c
index 56dc86379e..a96b1aed9e 100644
--- a/libavcodec/celp_math.c
+++ b/libavcodec/celp_math.c
@@ -75,7 +75,7 @@ static const uint16_t tab_log2[33] =
 #endif
 };
 
-int ff_log2(uint32_t value)
+int ff_log2_q15(uint32_t value)
 {
     uint8_t  power_int;
     uint8_t  frac_x0;
diff --git a/libavcodec/celp_math.h b/libavcodec/celp_math.h
index f12f67880b..18d3ad94d1 100644
--- a/libavcodec/celp_math.h
+++ b/libavcodec/celp_math.h
@@ -59,7 +59,7 @@ int ff_exp2(uint16_t power);
  *
  * @return value of (1<<15) * log2(value)
  */
-int ff_log2(uint32_t value);
+int ff_log2_q15(uint32_t value);
 
 /**
  * Shift value left or right depending on sign of offset parameter.
diff --git a/libavcodec/mathtables.c b/libavcodec/mathtables.c
index 037b135a1b..bbc49ced72 100644
--- a/libavcodec/mathtables.c
+++ b/libavcodec/mathtables.c
@@ -58,17 +58,6 @@ const uint32_t ff_inverse[257]={
   16777216
 };
 
-const uint8_t ff_sqrt_tab[256]={
-  0, 16, 23, 28, 32, 36, 40, 43, 46, 48, 51, 54, 56, 58, 60, 62, 64, 66, 68, 70, 72, 74, 76, 77, 79, 80, 82, 84, 85, 87, 88, 90,
- 91, 92, 94, 95, 96, 98, 99,100,102,103,104,105,107,108,109,110,111,112,114,115,116,117,118,119,120,121,122,123,124,125,126,127,
-128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,144,145,146,147,148,149,150,151,151,152,153,154,155,156,156,
-157,158,159,160,160,161,162,163,164,164,165,166,167,168,168,169,170,171,171,172,173,174,174,175,176,176,177,178,179,179,180,181,
-182,182,183,184,184,185,186,186,187,188,188,189,190,190,191,192,192,193,194,194,195,196,196,197,198,198,199,200,200,201,202,202,
-203,204,204,205,205,206,207,207,208,208,209,210,210,211,212,212,213,213,214,215,215,216,216,217,218,218,219,219,220,220,221,222,
-222,223,223,224,224,225,226,226,227,227,228,228,229,230,230,231,231,232,232,233,233,234,235,235,236,236,237,237,238,238,239,239,
-240,240,241,242,242,243,243,244,244,245,245,246,246,247,247,248,248,249,249,250,250,251,251,252,252,253,253,254,254,255,255,255
-};
-
 const uint8_t ff_reverse[256] = {
 0x00,0x80,0x40,0xC0,0x20,0xA0,0x60,0xE0,0x10,0x90,0x50,0xD0,0x30,0xB0,0x70,0xF0,
 0x08,0x88,0x48,0xC8,0x28,0xA8,0x68,0xE8,0x18,0x98,0x58,0xD8,0x38,0xB8,0x78,0xF8,
diff --git a/libavcodec/sqrt_tab.c b/libavcodec/sqrt_tab.c
new file mode 100644
index 0000000000..f084b45f90
--- /dev/null
+++ b/libavcodec/sqrt_tab.c
@@ -0,0 +1,30 @@
+/*
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <stdint.h>
+
+const uint8_t ff_sqrt_tab[256]={
+  0, 16, 23, 28, 32, 36, 40, 43, 46, 48, 51, 54, 56, 58, 60, 62, 64, 66, 68, 70, 72, 74, 76, 77, 79, 80, 82, 84, 85, 87, 88, 90,
+ 91, 92, 94, 95, 96, 98, 99,100,102,103,104,105,107,108,109,110,111,112,114,115,116,117,118,119,120,121,122,123,124,125,126,127,
+128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,144,145,146,147,148,149,150,151,151,152,153,154,155,156,156,
+157,158,159,160,160,161,162,163,164,164,165,166,167,168,168,169,170,171,171,172,173,174,174,175,176,176,177,178,179,179,180,181,
+182,182,183,184,184,185,186,186,187,188,188,189,190,190,191,192,192,193,194,194,195,196,196,197,198,198,199,200,200,201,202,202,
+203,204,204,205,205,206,207,207,208,208,209,210,210,211,212,212,213,213,214,215,215,216,216,217,218,218,219,219,220,220,221,222,
+222,223,223,224,224,225,226,226,227,227,228,228,229,230,230,231,231,232,232,233,233,234,235,235,236,236,237,237,238,238,239,239,
+240,240,241,242,242,243,243,244,244,245,245,246,246,247,247,248,248,249,249,250,250,251,251,252,252,253,253,254,254,255,255,255
+};