[FFmpeg-devel] [PATCH 1/2] avcodec/mpegaudioenc_template: fix invalid shift of sample
Michael Niedermayer
michael at niedermayer.cc
Thu Jan 23 14:03:11 EET 2020
Fixes: Ticket8010
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
---
libavcodec/mpegaudioenc_template.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavcodec/mpegaudioenc_template.c b/libavcodec/mpegaudioenc_template.c
index 93363fe1d2..12f7a098e6 100644
--- a/libavcodec/mpegaudioenc_template.c
+++ b/libavcodec/mpegaudioenc_template.c
@@ -701,7 +701,7 @@ static void encode_frame(MpegAudioContext *s,
/* normalize to P bits */
if (shift < 0)
- q1 = sample << (-shift);
+ q1 = sample * (1 << -shift);
else
q1 = sample >> shift;
q1 = (q1 * mult) >> P;
--
2.25.0
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