avformat: Constify all muxer/demuxers

[ffmpeg] / libavformat / idroqdec.c

diff --git a/libavformat/idroqdec.c b/libavformat/idroqdec.c
index 1db4cce6f0b97a01b84d32034ff82cae69fcb818..0c8b7278e92bb3e4bf5fefd4e8e7658dbccbfc3a 100644 (file)
--- a/libavformat/idroqdec.c
+++ b/libavformat/idroqdec.c
@@ -205,8 +205,9 @@ static int roq_read_packet(AVFormatContext *s,
             }
 
             /* load up the packet */
-            if (av_new_packet(pkt, chunk_size + RoQ_CHUNK_PREAMBLE_SIZE))
-                return AVERROR(EIO);
+            ret = av_new_packet(pkt, chunk_size + RoQ_CHUNK_PREAMBLE_SIZE);
+            if (ret < 0)
+                return ret;
             /* copy over preamble */
             memcpy(pkt->data, preamble, RoQ_CHUNK_PREAMBLE_SIZE);
 
@@ -223,8 +224,7 @@ static int roq_read_packet(AVFormatContext *s,
             ret = avio_read(pb, pkt->data + RoQ_CHUNK_PREAMBLE_SIZE,
                 chunk_size);
             if (ret != chunk_size) {
-                av_packet_unref(pkt);
-                ret = AVERROR(EIO);
+                return AVERROR(EIO);
             }
 
             packet_read = 1;
@@ -239,7 +239,7 @@ static int roq_read_packet(AVFormatContext *s,
     return ret;
 }
 
-AVInputFormat ff_roq_demuxer = {
+const AVInputFormat ff_roq_demuxer = {
     .name           = "roq",
     .long_name      = NULL_IF_CONFIG_SMALL("id RoQ"),
     .priv_data_size = sizeof(RoqDemuxContext),