avcodec: Constify AVCodecs

[ffmpeg] / libavcodec / interplayacm.c

diff --git a/libavcodec/interplayacm.c b/libavcodec/interplayacm.c
index cff79eb6b2221861e3c92beafbef0f65df6cd6e7..9838411cdc995a074769a49031698babb56c0528 100644 (file)
--- a/libavcodec/interplayacm.c
+++ b/libavcodec/interplayacm.c
@@ -529,7 +529,7 @@ static int decode_block(InterplayACMContext *s)
 
     for (i = 1, x = -val; i <= count; i++) {
         s->midbuf[-i] = x;
-        x -= val;
+        x -= (unsigned)val;
     }
 
     ret = fill_block(s);
@@ -621,7 +621,7 @@ static av_cold int decode_close(AVCodecContext *avctx)
     return 0;
 }
 
-AVCodec ff_interplay_acm_decoder = {
+const AVCodec ff_interplay_acm_decoder = {
     .name           = "interplayacm",
     .long_name      = NULL_IF_CONFIG_SMALL("Interplay ACM"),
     .type           = AVMEDIA_TYPE_AUDIO,