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-rw-r--r--libavcodec/common.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/libavcodec/common.h b/libavcodec/common.h
index b657aba..966f1cd 100644
--- a/libavcodec/common.h
+++ b/libavcodec/common.h
@@ -248,6 +248,10 @@ typedef struct RL_VLC_ELEM {
uint8_t run;
} RL_VLC_ELEM;
+#ifdef ARCH_SPARC64
+#define UNALIGNED_STORES_ARE_BAD
+#endif
+
/* used to avoid missaligned exceptions on some archs (alpha, ...) */
#ifdef ARCH_X86
# define unaligned32(a) (*(UINT32*)(a))
@@ -294,6 +298,14 @@ static inline void put_bits(PutBitContext *s, int n, unsigned int value)
} else {
bit_buf<<=bit_left;
bit_buf |= value >> (n - bit_left);
+#ifdef UNALIGNED_STORES_ARE_BAD
+ if (3 & (int) s->buf_ptr) {
+ s->buf_ptr[0] = bit_buf >> 24;
+ s->buf_ptr[1] = bit_buf >> 16;
+ s->buf_ptr[2] = bit_buf >> 8;
+ s->buf_ptr[3] = bit_buf ;
+ } else
+#endif
*(UINT32 *)s->buf_ptr = be2me_32(bit_buf);
//printf("bitbuf = %08x\n", bit_buf);
s->buf_ptr+=4;
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