ffserver: refactor build_file_streams()

Avoid unneeded nesting, drop redundant var
Signed-off-by: Reynaldo H. Verdejo Pinochet <reynaldo@osg.samsung.com>

ffserver.c

@@ -3567,23 +3567,26 @@ static void extract_mpeg4_header(AVFormatContext *infile)
 /* compute the needed AVStream for each file */
 static void build_file_streams(void)
 {
-    FFServerStream *stream, *stream_next;
+    FFServerStream *stream;
+    AVFormatContext *infile;
     int i, ret;
 
     /* gather all streams */
-    for(stream = config.first_stream; stream; stream = stream_next) {
-        AVFormatContext *infile = NULL;
-        stream_next = stream->next;
-        if (stream->stream_type == STREAM_TYPE_LIVE &&
-            !stream->feed) {
+    for(stream = config.first_stream; stream; stream = stream->next) {
+        infile = NULL;
+
+        if (stream->stream_type != STREAM_TYPE_LIVE || stream->feed)
+            continue;
+
         /* the stream comes from a file */
         /* try to open the file */
         /* open stream */
-            if (stream->fmt && !strcmp(stream->fmt->name, "rtp")) {
-                /* specific case : if transport stream output to RTP,
+
+
+        /* specific case: if transport stream output to RTP,
          * we use a raw transport stream reader */
+        if (stream->fmt && !strcmp(stream->fmt->name, "rtp"))
             av_dict_set(&stream->in_opts, "mpeg2ts_compute_pcr", "1", 0);
-            }
 
         if (!stream->feed_filename[0]) {
             http_log("Unspecified feed file for stream '%s'\n",
@@ -3593,6 +3596,7 @@ static void build_file_streams(void)
 
         http_log("Opening feed file '%s' for stream '%s'\n",
                  stream->feed_filename, stream->filename);
+
         ret = avformat_open_input(&infile, stream->feed_filename,
                                   stream->ifmt, &stream->in_opts);
         if (ret < 0) {
@@ -3618,7 +3622,6 @@ static void build_file_streams(void)
             avformat_close_input(&infile);
         }
     }
-    }
 }
 
 /* compute the needed AVStream for each feed */