[FFmpeg-devel] [PATCH] libavformat/http.c: add the protection about the http seek implement

[shenqichao]

If a http resource is not streamed, it can seek to the end of this resouce.

I add the detail information at https://trac.ffmpeg.org/ticket/6885

Fixes ticket #6885.

Signed-off-by: shenqichao <qichaoshen at 163.com>
---
 libavformat/http.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavformat/http.c b/libavformat/http.c
index 3a35bc7eac..9401a5c63e 100644
--- a/libavformat/http.c
+++ b/libavformat/http.c
@@ -1669,7 +1669,7 @@ static int64_t http_seek_internal(URLContext *h, int64_t off, int whence, int fo
     int old_buf_size, ret;
     AVDictionary *options = NULL;
 
-    if (whence == AVSEEK_SIZE)
+    if (whence == AVSEEK_SIZE || (h->is_streamed == 0 &&  whence == SEEK_SET && off == s->filesize))
         return s->filesize;
     else if (!force_reconnect &&
              ((whence == SEEK_CUR && off == 0) ||
-- 
2.19.0