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[FFmpeg-devel,2/4] avcodec/adpcm_psx: ignore unknown flag bits

Message ID 20210503113157.2215-2-zane@zanevaniperen.com
State Accepted
Commit d1c28c6c780514b12db761db5cde178725b165f0
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Series [FFmpeg-devel,1/4] avcodec/adpcm_psx: always fetch next byte irregardless of flag
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Commit Message

Zane van Iperen May 3, 2021, 11:31 a.m. UTC
As per documentation.

Signed-off-by: Zane van Iperen <zane@zanevaniperen.com>
---
 libavcodec/adpcm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/libavcodec/adpcm.c b/libavcodec/adpcm.c
index 8c07f3673d..89f3102716 100644
--- a/libavcodec/adpcm.c
+++ b/libavcodec/adpcm.c
@@ -1984,7 +1984,7 @@  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++) {