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fix memory leak of parsing dash MPD 

Signed-off-by: guikunzhi <guikunzhi@163.com>
This commit is contained in:
guikunzhi 2018-04-26 12:40:52 +08:00 committed by Steven Liu
parent 1c97035e3b
commit 8ea8be5951
1 changed files with 11 additions and 3 deletions
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14
libavformat/dashdec.c
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@ -706,6 +706,7 @@ static int resolve_content_path(AVFormatContext *s, const char *url, int *max_ur
char *baseurl = NULL;
char *root_url = NULL;
char *text = NULL;
char *tmp = NULL;
int isRootHttp = 0;
char token ='/';
@ -735,9 +736,11 @@ static int resolve_content_path(AVFormatContext *s, const char *url, int *max_ur
goto end;
}
av_strlcpy(text, url, strlen(url)+1);
while (mpdName = av_strtok(text, "/", &text)) {
tmp = text;
while (mpdName = av_strtok(tmp, "/", &tmp)) {
size = strlen(mpdName);
}
av_free(text);
path = av_mallocz(tmp_max_url_size);
tmp_str = av_mallocz(tmp_max_url_size);
@ -796,6 +799,7 @@ end:
}
av_free(path);
av_free(tmp_str);
xmlFree(baseurl);
return updated;
}
@ -1121,6 +1125,7 @@ static int parse_manifest(AVFormatContext *s, const char *url, AVIOContext *in)
xmlNodePtr root_element = NULL;
xmlNodePtr node = NULL;
xmlNodePtr period_node = NULL;
xmlNodePtr tmp_node = NULL;
xmlNodePtr mpd_baseurl_node = NULL;
xmlNodePtr period_baseurl_node = NULL;
xmlNodePtr period_segmenttemplate_node = NULL;
@ -1215,8 +1220,10 @@ static int parse_manifest(AVFormatContext *s, const char *url, AVIOContext *in)
xmlFree(val);
}
mpd_baseurl_node = find_child_node_by_name(node, "BaseURL");
if (!mpd_baseurl_node) {
tmp_node = find_child_node_by_name(node, "BaseURL");
if (tmp_node) {
mpd_baseurl_node = xmlCopyNode(tmp_node,1);
} else {
mpd_baseurl_node = xmlNewNode(NULL, "BaseURL");
}
@ -1270,6 +1277,7 @@ cleanup:
/*free the document */
xmlFreeDoc(doc);
xmlCleanupParser();
xmlFreeNode(mpd_baseurl_node);
}
av_free(new_url);