avformat: Constify all muxer/demuxers

[ffmpeg] / libavformat / westwood_audenc.c

diff --git a/libavformat/westwood_audenc.c b/libavformat/westwood_audenc.c
index 4ec905b088e5961b7f59133e5084d987d49622de..b4fad83a170417ed47a436112391f9db4eca75b6 100644 (file)
--- a/libavformat/westwood_audenc.c
+++ b/libavformat/westwood_audenc.c
@@ -73,7 +73,6 @@ static int wsaud_write_header(AVFormatContext *ctx)
     AVStream     *st = ctx->streams[0];
     AVIOContext  *pb = ctx->pb;
     AUDMuxContext *a = ctx->priv_data;
-    int ret;
     unsigned char flags = 0;
 
     a->uncomp_size = 0;
@@ -103,7 +102,8 @@ static int wsaud_write_packet(AVFormatContext *ctx, AVPacket *pkt)
     AVIOContext  *pb = ctx->pb;
     AUDMuxContext *a = ctx->priv_data;
 
-    av_assert1(pkt->size < UINT16_MAX && (pkt->size * 4) < UINT16_MAX);
+    if (pkt->size > UINT16_MAX / 4)
+        return AVERROR_INVALIDDATA;
     /* Assumes ADPCM since this muxer doesn't support SND1 or PCM format. */
     avio_wl16(pb, pkt->size);
     avio_wl16(pb, pkt->size * 4);
@@ -127,7 +127,7 @@ static int wsaud_write_trailer(AVFormatContext *ctx)
     return 0;
 }
 
-AVOutputFormat ff_wsaud_muxer = {
+const AVOutputFormat ff_wsaud_muxer = {
     .name              = "wsaud",
     .long_name         = NULL_IF_CONFIG_SMALL("Westwood Studios audio"),
     .extensions        = "aud",