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avcodec/pcm: Fix undefined shifts 

Fixes the acodec-pcm-u16[lb]e FATE-tests.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
(cherry picked from commit 69473bec6f)
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
This commit is contained in:
Andreas Rheinhardt 2019-09-20 00:17:01 +02:00
parent 3497fd2dd7
commit 2b9ddde1d0
1 changed files with 2 additions and 2 deletions
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4
libavcodec/pcm.c
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@ -306,7 +306,7 @@ static av_cold int pcm_decode_close(AVCodecContext *avctx)
#define DECODE(size, endian, src, dst, n, shift, offset) \
for (; n > 0; n--) { \
uint ## size ## _t v = bytestream_get_ ## endian(&src); \
AV_WN ## size ## A(dst, (v - offset) << shift); \
AV_WN ## size ## A(dst, (uint ## size ## _t)(v - offset) << shift); \
dst += size / 8; \
}
@ -317,7 +317,7 @@ static av_cold int pcm_decode_close(AVCodecContext *avctx)
dst = frame->extended_data[c]; \
for (i = n; i > 0; i--) { \
uint ## size ## _t v = bytestream_get_ ## endian(&src); \
AV_WN ## size ## A(dst, (v - offset) << shift); \
AV_WN ## size ## A(dst, (uint ## size ##_t)(v - offset) << shift); \
dst += size / 8; \
} \
}