[FFmpeg-devel] [PATCH 06/11] avcodec/pcm: Fix undefined shifts
Andreas Rheinhardt
andreas.rheinhardt at gmail.com
Fri Sep 20 01:17:01 EEST 2019
Fixes the acodec-pcm-u16[lb]e FATE-tests.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at gmail.com>
---
Changing the macro for planar decoding is actually unnecessary, as none
of the currently used users of this macro need it. I have nevertheless
done so to minimise the changes between the macros.
libavcodec/pcm.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/libavcodec/pcm.c b/libavcodec/pcm.c
index ffcbccc77d..d9176732d9 100644
--- a/libavcodec/pcm.c
+++ b/libavcodec/pcm.c
@@ -303,7 +303,7 @@ 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; \
}
@@ -314,7 +314,7 @@ 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; \
} \
}
--
2.20.1
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