From 7383a835e47cd8915ff9cdd693e06716dbae3b3a Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Fri, 19 May 2017 20:52:44 +0200 Subject: [PATCH] avformat/aviobuf: Only downscale the buffer once it has been used The code mistook the first iteration sometimes as the end Signed-off-by: Michael Niedermayer --- libavformat/aviobuf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/aviobuf.c b/libavformat/aviobuf.c index 0a7c39eacd..1667e9f08b 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");