avformat/utils/avformat_find_stream_info: Move max_analyze_duration setup out of the packet loop

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

libavformat/utils.c

@@ -3095,6 +3095,14 @@ int avformat_find_stream_info(AVFormatContext *ic, AVDictionary **options)
     // new streams might appear, no options for those
     int orig_nb_streams = ic->nb_streams;
     int flush_codecs    = ic->probesize > 0;
+    int max_analyze_duration = ic->max_analyze_duration;
+
+    if (!max_analyze_duration) {
+        if (!strcmp(ic->iformat->name, "flv") && !(ic->ctx_flags & AVFMTCTX_NOHEADER)) {
+            max_analyze_duration = 10*AV_TIME_BASE;
+        } else
+            max_analyze_duration = 5*AV_TIME_BASE;
+    }
 
     if (ic->pb)
         av_log(ic, AV_LOG_DEBUG, "Before avformat_find_stream_info() pos: %"PRId64" bytes read:%"PRId64" seeks:%d\n",
@@ -3296,14 +3304,6 @@ int avformat_find_stream_info(AVFormatContext *ic, AVDictionary **options)
         }
         if (st->codec_info_nb_frames>1) {
             int64_t t = 0;
-            int max_analyze_duration = ic->max_analyze_duration;
-
-            if (!max_analyze_duration) {
-                if (!strcmp(ic->iformat->name, "flv") && !(ic->ctx_flags & AVFMTCTX_NOHEADER)) {
-                    max_analyze_duration = 10*AV_TIME_BASE;
-                } else
-                    max_analyze_duration = 5*AV_TIME_BASE;
-            }
 
             if (st->time_base.den > 0)
                 t = av_rescale_q(st->info->codec_info_duration, st->time_base, AV_TIME_BASE_Q);