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 <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2017-05-19 20:52:44 +02:00
parent 162414cefe
commit 7383a835e4
1 changed files with 1 additions and 1 deletions

View File

@ -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");