lavu: rename and move ff_parity to av_parity

av_popcount is not defined in intmath.h.

Reviewed-by: ubitux
Signed-off-by: James Almer <jamrial@gmail.com>

libavcodec/ccaption_dec.c

@@ -202,10 +202,10 @@ static int validate_cc_data_pair(uint8_t *cc_data_pair)
 
     // if EIA-608 data then verify parity.
     if (cc_type==0 || cc_type==1) {
-        if (!ff_parity(cc_data_pair[2])) {
+        if (!av_parity(cc_data_pair[2])) {
             return AVERROR_INVALIDDATA;
         }
-        if (!ff_parity(cc_data_pair[1])) {
+        if (!av_parity(cc_data_pair[1])) {
             cc_data_pair[1]=0x7F;
         }
     }

libavcodec/g729dec.c

@@ -472,7 +472,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame_ptr,
 
         ac_index      = get_bits(&gb, format->ac_index_bits[i]);
         if(!i && format->parity_bit)
-            bad_pitch = ff_parity(ac_index >> 2) == get_bits1(&gb);
+            bad_pitch = av_parity(ac_index >> 2) == get_bits1(&gb);
         fc_indexes    = get_bits(&gb, format->fc_indexes_bits);
         pulses_signs  = get_bits(&gb, format->fc_signs_bits);
         gc_1st_index  = get_bits(&gb, format->gc_1st_index_bits);

libavutil/common.h

@@ -331,6 +331,11 @@ static av_always_inline av_const int av_popcount64_c(uint64_t x)
     return av_popcount((uint32_t)x) + av_popcount((uint32_t)(x >> 32));
 }
 
+static av_always_inline av_const int av_parity_c(uint32_t v)
+{
+    return av_popcount(v) & 1;
+}
+
 #define MKTAG(a,b,c,d) ((a) | ((b) << 8) | ((c) << 16) | ((unsigned)(d) << 24))
 #define MKBETAG(a,b,c,d) ((d) | ((c) << 8) | ((b) << 16) | ((unsigned)(a) << 24))
 
@@ -517,3 +522,6 @@ static av_always_inline av_const int av_popcount64_c(uint64_t x)
 #ifndef av_popcount64
 #   define av_popcount64    av_popcount64_c
 #endif
+#ifndef av_parity
+#   define av_parity        av_parity_c
+#endif

libavutil/intmath.h

@@ -153,16 +153,10 @@ static av_always_inline av_const unsigned ff_clz_c(unsigned x)
 }
 #endif
 
-#ifndef ff_parity
-#define ff_parity ff_parity_c
-static av_always_inline av_const int ff_parity_c(uint32_t v)
-{
-#if HAVE_PARITY
-    return __builtin_parity(v);
-#else
-    return av_popcount(v) & 1;
+#if AV_GCC_VERSION_AT_LEAST(3,4)
+#ifndef av_parity
+#define av_parity __builtin_parity
 #endif
-}
 #endif
 
 /**

libavutil/version.h

@@ -64,7 +64,7 @@
  */
 
 #define LIBAVUTIL_VERSION_MAJOR  55
-#define LIBAVUTIL_VERSION_MINOR  12
+#define LIBAVUTIL_VERSION_MINOR  13
 #define LIBAVUTIL_VERSION_MICRO 100
 
 #define LIBAVUTIL_VERSION_INT   AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \