export gcd function as av_gcd()

Originally committed as revision 16653 to svn://svn.ffmpeg.org/ffmpeg/trunk

4 files changed, 6 insertions, 6 deletions

diff --git a/libavformat/mov.c b/libavformat/mov.c
index 5638d34f80..b510d7cab3 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -1172,7 +1172,7 @@ static int mov_read_stts(MOVContext *c, ByteIOContext *pb, MOVAtom atom)
         sc->stts_data[i].count= sample_count;
         sc->stts_data[i].duration= sample_duration;
 
-        sc->time_rate= ff_gcd(sc->time_rate, sample_duration);
+        sc->time_rate= av_gcd(sc->time_rate, sample_duration);
 
         dprintf(c->fc, "sample_count=%d, sample_duration=%d\n",sample_count,sample_duration);
 
@@ -1215,7 +1215,7 @@ static int mov_read_ctts(MOVContext *c, ByteIOContext *pb, MOVAtom atom)
         sc->ctts_data[i].count   = count;
         sc->ctts_data[i].duration= duration;
 
-        sc->time_rate= ff_gcd(sc->time_rate, FFABS(duration));
+        sc->time_rate= av_gcd(sc->time_rate, FFABS(duration));
     }
     return 0;
 }
diff --git a/libavformat/nutdec.c b/libavformat/nutdec.c
index 4d838a5e95..02d828a67e 100644
--- a/libavformat/nutdec.c
+++ b/libavformat/nutdec.c
@@ -206,7 +206,7 @@ static int decode_main_header(NUTContext *nut){
     for(i=0; i<nut->time_base_count; i++){
         GET_V(nut->time_base[i].num, tmp>0 && tmp<(1ULL<<31))
         GET_V(nut->time_base[i].den, tmp>0 && tmp<(1ULL<<31))
-        if(ff_gcd(nut->time_base[i].num, nut->time_base[i].den) != 1){
+        if(av_gcd(nut->time_base[i].num, nut->time_base[i].den) != 1){
             av_log(s, AV_LOG_ERROR, "time base invalid\n");
             return -1;
         }
diff --git a/libavformat/riff.c b/libavformat/riff.c
index ed92187b56..73ebc91e09 100644
--- a/libavformat/riff.c
+++ b/libavformat/riff.c
@@ -466,7 +466,7 @@ void ff_parse_specific_params(AVCodecContext *stream, int *au_rate, int *au_ssiz
         *au_scale= stream->block_align ? stream->block_align*8 : 8;
         *au_rate = stream->bit_rate ? stream->bit_rate : 8*stream->sample_rate;
     }
-    gcd= ff_gcd(*au_scale, *au_rate);
+    gcd= av_gcd(*au_scale, *au_rate);
     *au_scale /= gcd;
     *au_rate /= gcd;
 }
diff --git a/libavformat/utils.c b/libavformat/utils.c
index a675048744..1778bba973 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -2727,7 +2727,7 @@ static void dump_stream_format(AVFormatContext *ic, int i, int index, int is_out
     char buf[256];
     int flags = (is_output ? ic->oformat->flags : ic->iformat->flags);
     AVStream *st = ic->streams[i];
-    int g = ff_gcd(st->time_base.num, st->time_base.den);
+    int g = av_gcd(st->time_base.num, st->time_base.den);
     avcodec_string(buf, sizeof(buf), st->codec, is_output);
     av_log(NULL, AV_LOG_INFO, "    Stream #%d.%d", index, i);
     /* the pid is an important information, so we display it */
@@ -3192,7 +3192,7 @@ char *ff_data_to_hex(char *buff, const uint8_t *src, int s)
 void av_set_pts_info(AVStream *s, int pts_wrap_bits,
                      int pts_num, int pts_den)
 {
-    unsigned int gcd= ff_gcd(pts_num, pts_den);
+    unsigned int gcd= av_gcd(pts_num, pts_den);
     s->pts_wrap_bits = pts_wrap_bits;
     s->time_base.num = pts_num/gcd;
     s->time_base.den = pts_den/gcd;