avdevice/avdevice: Constify av_*_device_next API

[ffmpeg] / libavformat / dsicin.c

diff --git a/libavformat/dsicin.c b/libavformat/dsicin.c
index bd4f3ad03aefb5f812ec2581a0beac12cf1d6809..b18f43b9a0e7d2f591f094e5c9146e280839689d 100644 (file)
--- a/libavformat/dsicin.c
+++ b/libavformat/dsicin.c
@@ -60,7 +60,7 @@ typedef struct CinDemuxContext {
 } CinDemuxContext;
 
 
-static int cin_probe(AVProbeData *p)
+static int cin_probe(const AVProbeData *p)
 {
     /* header starts with this special marker */
     if (AV_RL32(&p->buf[0]) != 0x55AA0000)
@@ -200,7 +200,6 @@ static int cin_read_packet(AVFormatContext *s, AVPacket *pkt)
 
         ret = avio_read(pb, &pkt->data[4], pkt_size);
         if (ret < 0) {
-            av_packet_unref(pkt);
             return ret;
         }
         if (ret < pkt_size)