Print "NOPTS" when AV_NOPTS_VALUE is encountered during seek regression tests.

This makes the output nicely aligned even in for those cases, and might
also avoid some issues with printf implementations that can not handle well
very large float values (e.g. msvcrt without MinGW wrapper IIRC).

Originally committed as revision 20334 to svn://svn.ffmpeg.org/ffmpeg/trunk

tests/seek_test.c

@@ -22,6 +22,7 @@
 #include <stdint.h>
 #include <stdlib.h>
 #include <stdio.h>
+#include <string.h>
 
 #include "libavutil/common.h"
 #include "libavformat/avformat.h"
@@ -45,6 +46,17 @@ static const char *ret_str(int v)
     }
 }
 
+static void ts_str(char buffer[60], int64_t ts, AVRational base)
+{
+    double tsval;
+    if (ts == AV_NOPTS_VALUE) {
+        strcpy(buffer, " NOPTS   ");
+        return;
+    }
+    tsval = ts * av_q2d(base);
+    snprintf(buffer, 60, "%9f", tsval);
+}
+
 int main(int argc, char **argv)
 {
     const char *filename;
@@ -89,13 +101,17 @@ int main(int argc, char **argv)
     for(i=0; ; i++){
         AVPacket pkt;
         AVStream *av_uninit(st);
+        char ts_buf[60];
 
         memset(&pkt, 0, sizeof(pkt));
         if(ret>=0){
             ret= av_read_frame(ic, &pkt);
             if(ret>=0){
+                char dts_buf[60];
                 st= ic->streams[pkt.stream_index];
-                printf("ret:%-10s st:%2d flags:%d dts:%9f pts:%9f pos:%7" PRId64 " size:%6d", ret_str(ret), pkt.stream_index, pkt.flags, pkt.dts*av_q2d(st->time_base), pkt.pts*av_q2d(st->time_base), pkt.pos, pkt.size);
+                ts_str(dts_buf, pkt.dts, st->time_base);
+                ts_str(ts_buf,  pkt.pts, st->time_base);
+                printf("ret:%-10s st:%2d flags:%d dts:%s pts:%s pos:%7" PRId64 " size:%6d", ret_str(ret), pkt.stream_index, pkt.flags, dts_buf, ts_buf, pkt.pos, pkt.size);
             } else
                 printf("ret:%s", ret_str(ret)); // necessary to avoid trailing whitespace
             printf("\n");
@@ -112,7 +128,8 @@ int main(int argc, char **argv)
         //FIXME fully test the new seek API
         if(i&1) ret = avformat_seek_file(ic, stream_id, INT64_MIN, timestamp, timestamp, 0);
         else    ret = avformat_seek_file(ic, stream_id, timestamp, timestamp, INT64_MAX, 0);
-        printf("ret:%-10s st:%2d flags:%d  ts:%9f\n", ret_str(ret), stream_id, i&1, timestamp*(stream_id<0 ? 1.0/AV_TIME_BASE : av_q2d(st->time_base)));
+        ts_str(ts_buf, timestamp, stream_id < 0 ? AV_TIME_BASE_Q : st->time_base);
+        printf("ret:%-10s st:%2d flags:%d  ts:%s\n", ret_str(ret), stream_id, i&1, ts_buf);
     }
 
     return 0;