avcodec/adpcm_psx: ignore unknown flag bits

As per documentation. Signed-off-by: Zane van Iperen <zane@zanevaniperen.com>
4 years ago · d1c28c6c78
parent a845e6daa9
commit d1c28c6c78
1 changed files with 1 additions and 1 deletions
--- a/libavcodec/adpcm.c
+++ b/libavcodec/adpcm.c
@ -2002,7 +2002,7 @@ static int adpcm_decode_frame(AVCodecContext *avctx, void *data,
                    filter = filter >> 4;
                    if (filter >= FF_ARRAY_ELEMS(xa_adpcm_table))
                        return AVERROR_INVALIDDATA;
-                    flag   = bytestream2_get_byteu(&gb);
+                    flag   = bytestream2_get_byteu(&gb) & 0x7;

                    /* Decode 28 samples.  */
                    for (n = 0; n < 28; n++) {