ffmpeg | branch: release/2.8 | Michael Niedermayer <mich...@niedermayer.cc> | 
Thu Jan 23 12:41:41 2020 +0100| [781636afa04335db9f026462c059ae6028e2a00f] | 
committer: Michael Niedermayer

avcodec/mpegaudioenc_template: fix invalid shift of sample

Fixes: Ticket8010

Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
(cherry picked from commit a2c97a8342fab6393280cc2f0e2ffb39c381d29c)
Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=781636afa04335db9f026462c059ae6028e2a00f
---

 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 ce93cc7c6d..4a35cfccd8 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;

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