Add more detail description for esplusplayer_set_video_stream_rotation_info API

diff --git a/include/esplusplayer_capi/esplusplayer_capi.h b/include/esplusplayer_capi/esplusplayer_capi.h
index 4a07572..42b4e14 100755 (executable)
--- a/include/esplusplayer_capi/esplusplayer_capi.h
+++ b/include/esplusplayer_capi/esplusplayer_capi.h
@@ -3827,7 +3827,9 @@ int esplusplayer_set_app_info_ex(esplusplayer_handle handle,
                                  const esplusplayer_app_info_ex* app_info);
 
 /**
- * @brief     Set the rotate angle of the video stream.
+ * @brief     Set the rotate angle of the video stream to video sink.
+ *                 The rotate angle will be delivered to video render control.
+ * @remark    This API will not actually rotate the video display
  * @param     [in] handle : esplusplayer handle.
  * @param     [in] rotation : the rotate angle of the video.
  * @return    @c ESPLUSPLAYER_ERROR_TYPE_NONE on success,otherwise @c one of
@@ -3847,7 +3849,6 @@ int esplusplayer_set_app_info_ex(esplusplayer_handle handle,
  *            #ESPLUSPLAYER_STATE_NONE.
  * @post      this API worked only when video sink created.
  * @exception None
- * @remark    This API will not affect the rotate angle of the video display
  * @version   5.2
  * @see       esplusplayer_open() \n
  */