[FFmpeg-cvslog] avformat/dashdec: Avoid duplicating string

[Andreas Rheinhardt]

ffmpeg | branch: master | Andreas Rheinhardt <andreas.rheinhardt at gmail.com> | Mon Sep  7 18:46:32 2020 +0200| [1aee02c7c13ffd30135cac7d3d0c2fafdc922dc4] | committer: Andreas Rheinhardt

avformat/dashdec: Avoid duplicating string

Reviewed-by: Steven Liu <lq at chinaffmpeg.org>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=1aee02c7c13ffd30135cac7d3d0c2fafdc922dc4
---

 libavformat/dashdec.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/libavformat/dashdec.c b/libavformat/dashdec.c
index 548a71d6dc..99b9c45439 100644
--- a/libavformat/dashdec.c
+++ b/libavformat/dashdec.c
@@ -1183,7 +1183,6 @@ static int parse_manifest(AVFormatContext *s, const char *url, AVIOContext *in)
     DASHContext *c = s->priv_data;
     int ret = 0;
     int close_in = 0;
-    uint8_t *new_url = NULL;
     int64_t filesize = 0;
     AVBPrint buf;
     AVDictionary *opts = NULL;
@@ -1212,11 +1211,8 @@ static int parse_manifest(AVFormatContext *s, const char *url, AVIOContext *in)
             return ret;
     }
 
-    if (av_opt_get(in, "location", AV_OPT_SEARCH_CHILDREN, &new_url) >= 0) {
-        c->base_url = av_strdup(new_url);
-    } else {
+    if (av_opt_get(in, "location", AV_OPT_SEARCH_CHILDREN, (uint8_t**)&c->base_url) < 0)
         c->base_url = av_strdup(url);
-    }
 
     filesize = avio_size(in);
     filesize = filesize > 0 ? filesize : DEFAULT_MANIFEST_SIZE;
@@ -1359,7 +1355,6 @@ cleanup:
         xmlFreeNode(mpd_baseurl_node);
     }
 
-    av_free(new_url);
     av_bprint_finalize(&buf, NULL);
     if (close_in) {
         avio_close(in);