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dvbsubdec: avoid undefined signed left shift in RGBA macro
[ffmpeg.git]
/
libavcodec
/
dvbsubdec.c
diff --git
a/libavcodec/dvbsubdec.c
b/libavcodec/dvbsubdec.c
index
aafc046
..
34c247c
100644
(file)
--- a/
libavcodec/dvbsubdec.c
+++ b/
libavcodec/dvbsubdec.c
@@
-150,7
+150,7
@@
static void png_save2(const char *filename, uint32_t *bitmap, int w, int h)
}
#endif
-#define RGBA(r,g,b,a) (((a) << 24) | ((r) << 16) | ((g) << 8) | (b))
+#define RGBA(r,g,b,a) (((
unsigned)(
a) << 24) | ((r) << 16) | ((g) << 8) | (b))
typedef struct DVBSubCLUT {
int id;