X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavformat%2Faviobuf.c;h=1667e9f08b4a1b5c33f29841e2b6a749145e29cc;hb=18bca25adbae9d010d75f9fc197c0af656af758d;hp=0a7c39eacdb76b7e436945d2d507dfdb1844bf38;hpb=0ab40e4477eae94b074d62007d89f67a54ab25a7;p=ffmpeg

diff --git a/libavformat/aviobuf.c b/libavformat/aviobuf.c
index 0a7c39eacdb..1667e9f08b4 100644
--- a/libavformat/aviobuf.c
+++ b/libavformat/aviobuf.c
@@ -542,7 +542,7 @@ static void fill_buffer(AVIOContext *s)
 
     /* make buffer smaller in case it ended up large after probing */
     if (s->read_packet && s->orig_buffer_size && s->buffer_size > s->orig_buffer_size) {
-        if (dst == s->buffer) {
+        if (dst == s->buffer && s->buf_ptr != dst) {
             int ret = ffio_set_buf_size(s, s->orig_buffer_size);
             if (ret < 0)
                 av_log(s, AV_LOG_WARNING, "Failed to decrease buffer size\n");