avformat/hlsenc: compare without the last directory separator in get_relative_url

fix ticket: 8461
there is no problem before commit 75aea52a1051a22bdebd0b7a8098ac6479a529a0

Reviewed-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
Signed-off-by: Steven Liu <lq@chinaffmpeg.org>

diff --git a/libavformat/hlsenc.c b/libavformat/hlsenc.c
index d130f03ea62889ecfe757f5ec2badb7b7619a146..e87f08b0e605b0a0458ee1be994bfd6d76c8aae6 100644 (file)
--- a/libavformat/hlsenc.c
+++ b/libavformat/hlsenc.c
@@ -1234,7 +1234,7 @@ static const char* get_relative_url(const char *master_url, const char *media_ur
     if (!p) p = strrchr(master_url, '\\');
 
     if (p) {
-        base_len = p + 1 - master_url;
+        base_len = p - master_url;
         if (av_strncasecmp(master_url, media_url, base_len)) {
             av_log(NULL, AV_LOG_WARNING, "Unable to find relative url\n");
             return NULL;