Align the input buffer in ffplay, introduce a public macro for aligned declarations

Update the avcodec_decode_audio and the float_to_int16 descriptions accordingly

Originally committed as revision 6147 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 7 insertions, 0 deletions

diff --git a/libavutil/common.h b/libavutil/common.h
index 60ea46a83d..e47688be99 100644
--- a/libavutil/common.h
+++ b/libavutil/common.h
@@ -364,6 +364,13 @@ tend= read_time();\
 #endif
 
 /* memory */
+
+#ifdef __GNUC__
+  #define DECLARE_ALIGNED(n,t,v)       t v __attribute__ ((aligned (n)))
+#else
+  #define DECLARE_ALIGNED(n,t,v)      __declspec(align(n)) t v
+#endif
+
 void *av_malloc(unsigned int size);
 void *av_realloc(void *ptr, unsigned int size);
 void av_free(void *ptr);