Waste less space for printing timebases.

Originally committed as revision 17505 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavformat/utils.c

@@ -2755,6 +2755,13 @@ void av_program_add_stream_index(AVFormatContext *ac, int progid, unsigned int i
     }
 }
 
+static void print_fps(double d, const char *postfix){
+    uint64_t v= lrintf(d*100);
+    if     (v% 100      ) av_log(NULL, AV_LOG_INFO, ", %3.2f %s", d, postfix);
+    else if(v%(100*1000)) av_log(NULL, AV_LOG_INFO, ", %1.0f %s", d, postfix);
+    else                  av_log(NULL, AV_LOG_INFO, ", %1.0fk %s", d/1000, postfix);
+}
+
 /* "user interface" functions */
 static void dump_stream_format(AVFormatContext *ic, int i, int index, int is_output)
 {
@@ -2785,11 +2792,11 @@ static void dump_stream_format(AVFormatContext *ic, int i, int index, int is_out
     }
     if(st->codec->codec_type == CODEC_TYPE_VIDEO){
         if(st->r_frame_rate.den && st->r_frame_rate.num)
-            av_log(NULL, AV_LOG_INFO, ", %5.2f tb(r)", av_q2d(st->r_frame_rate));
+            print_fps(av_q2d(st->r_frame_rate), "tbr");
         if(st->time_base.den && st->time_base.num)
-            av_log(NULL, AV_LOG_INFO, ", %5.2f tb(m)", 1/av_q2d(st->time_base));
+            print_fps(1/av_q2d(st->time_base), "tbn");
         if(st->codec->time_base.den && st->codec->time_base.num)
-            av_log(NULL, AV_LOG_INFO, ", %5.2f tb(c)", 1/av_q2d(st->codec->time_base));
+            print_fps(1/av_q2d(st->codec->time_base), "tbc");
     }
     av_log(NULL, AV_LOG_INFO, "\n");
 }