avformat: Remove unnecessary av_packet_unref()

Since bae8844e the packet will always be unreferenced when a demuxer
returns an error, so that a lot of calls to av_packet_unref() in lots of
demuxers are now redundant and can be removed.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Signed-off-by: Marton Balint <cus@passwd.hu>

1 files changed, 0 insertions, 1 deletions

diff --git a/libavformat/sdr2.c b/libavformat/sdr2.c
index 8893f260d2..3743d59e58 100644
--- a/libavformat/sdr2.c
+++ b/libavformat/sdr2.c
@@ -95,7 +95,6 @@ static int sdr2_read_packet(AVFormatContext *s, AVPacket *pkt)
         memcpy(pkt->data, header, 24);
         ret = avio_read(s->pb, pkt->data + 24, next - 52);
         if (ret < 0) {
-            av_packet_unref(pkt);
             return ret;
         }
         av_shrink_packet(pkt, ret + 24);