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, 13 insertions, 2 deletions

diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index 99d34a6a28..195c258b04 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -17,8 +17,8 @@ extern "C" {
 #define AV_STRINGIFY(s)         AV_TOSTRING(s)
 #define AV_TOSTRING(s) #s
 
-#define LIBAVCODEC_VERSION_INT  ((51<<16)+(11<<8)+0)
-#define LIBAVCODEC_VERSION      51.11.0
+#define LIBAVCODEC_VERSION_INT  ((51<<16)+(12<<8)+0)
+#define LIBAVCODEC_VERSION      51.12.0
 #define LIBAVCODEC_BUILD        LIBAVCODEC_VERSION_INT
 
 #define LIBAVCODEC_IDENT        "Lavc" AV_STRINGIFY(LIBAVCODEC_VERSION)
@@ -2451,6 +2451,17 @@ int avcodec_default_execute(AVCodecContext *c, int (*func)(AVCodecContext *c2, v
  */
 int avcodec_open(AVCodecContext *avctx, AVCodec *codec);
 
+/**
+ * Decode an audio frame.
+ *
+ * @param avctx the codec context.
+ * @param samples output buffer, 16 byte aligned
+ * @param frame_size_ptr the output buffer size in bytes, zero if no frame could be compressed
+ * @param buf input buffer, 16 byte aligned
+ * @param buf_size the input buffer size
+ * @return 0 if successful, -1 if not.
+ */
+
 int avcodec_decode_audio(AVCodecContext *avctx, int16_t *samples,
                          int *frame_size_ptr,
                          uint8_t *buf, int buf_size);