Hi, i’m trying to make a custom form field “required” but can’t seem to manage it. This PowerShell module requires PowerShell 4.0 and.NET 4.5.2. Also, you need to have Owner access to at least one Azure Machine Learning Studio Workspace. A virtual table is an object that is registered with an open SQLite database connection. From the perspective of an SQL statement, the virtual table. Friday, 18 December 2015 20:09 Hi guys. As most of you are aware by now, we've finally released the 1.0.0.0 version. Development of this game has been one interesting.
On Field Update Invoke Node
Invoke FFmpeg to export frames. Sorry, but to include all nessessary files, I compressed them with 7- Zip and put them into two RAR archive parts to comply with the the 1. MB limit per file (using RAR alone I ended up with five files) and the file extention - you can use 7- Zip or Win. RAR to extract both: To use the following, add the FFmpeg files avcodec- 5. But that method didn't satisfy me because it's everything but a clean way.
So it seems there has been quite a bit of interest in my Lync Centralised Logging Tool since I released it to the world. So I figured I might work on another tool to. Examples: A number of files (bar.c and foo.c) are new, while foobar.c has been removed (without using hg remove) from the repository: $ ls bar.c foo.c $ hg status.
So I started some research for possibilities to pinvoke FFmpeg DLLs directly in . NET and after many disappointing projects which I coulnd't get to work I found FFmpeg. Auto. Gen which worked from the start with the example. There are two parts in the solution: A . NET library to map ffpmeg DLLs and use them to extract frame images from a multimedia file and an application to easily create thumbnail sheets using the library.
The core of this project is based on the FFmpeg. Auto. Gen wrapper by Ruslan- B on Git.
Hub (https: //github. Ruslan- B/FFmpeg. Auto. Gen). I had to make a few changes mainly to support the meta data extration otherwise I would have imported the project directly. To find out about the classes and functions needed to find information about a multimedia file, seek in a video stream and extract frame images I used the FFmpeg Documentation: https: //www. Using the application.
The application can be used to create thumbnail sheets from multimedia files. There options to define how the sheet is designed. The following prameters can be set: The number of columns and rows of video frames. The width of a single frame in pixel. The margin around the whole sheet in pixel.
The padding between the frames (two times between header and frames) in pixel. The background color. The header font style and color.
The index (time position) font style, text and shadow color. The border color of the frames and if it is to be drawn.
There are also some options to configure how the application should akt: Close the applicatoin automatically when a passed job via commandline is finished. Choose the filename of the image automatically (same as the movie file but image extention)The image format Bitmap, GIF, JPEG, PNG or TIFF (and quality if JPEG is selected)Use exact time positions or key- frames only. There are two ways to set those options: Using commandline parameters or an configuration file. The configuration file is a standard MS INI file.
You can edit or create the standard configuration file (same filename as the application but with . Settings dialog of the application or with a text editor. The section in which the options must be in is . The following options are available: Option.
Description. Output. Format. The output format (bmp, gif, jpg, png or tif)Jpeg. Quality. The quality of the output if output format is jpg (0- 1. Auto. Output. Filename. Automatically choose the output filename, will be the same as the multimedia file only with the image extention (0: disable, 1: enable)Auto. Close. Close the application automatically when a job passed via commandline parameter is done (0: disable, 1: enable)Thumb.
Columns. The number of frame image columns. Thumb. Rows. The number or frame image rows. Thumb. Width. The width of the frame images in pixel. Margin. The margin in pixel. Padding. The padding between the frames in pixel. Background. Color.
The background color (HEX format - e. Arial)Index. Font. The font style of the index text (format: style. Arial)These are the commandline parameters which override the settings from the configuration file: Parameter. Descriptionfile. A multimedia input file/? Shows a dialog with possible commandline parameters/A=0. You should initialize it with the multimedia file you wand to use.
It will then collect some basic information about the file. Then the information and extraction methods can be used. Don't forget to dispose the class after you finished using it - or simply use ! Information on how to use the FFmpeg classes and functions can be found in the FFmpeg Documentation. The invoking is instance safe - means you can use more than one instance of the application at the same time; I'm not sure about threads within the same instance though as I haven't tried that yet. The code automatically uses the 3.
FFmpeg depending on the platform type selected - even if . Thus both versions should always be provided! For a start here is the basic approach of the code: When a file is loaded (the function called is Open. File. Or. Url) the needed parts of FFmpeg are initialized. After that the file is loaded with FFmpeg and information about it are stored into an instanc of AVFormat. Context. This class already contains most of the information extracted by FFmpeg. Media. Info. The metadata of as well AVFormat.
Context as AVStream are stored as type AVDictionary where some functions are needed to convert it to type Dictionary< string, string>. The Information as well as the AVFormat. Context and AVStream instances are stored within the FFmpeg.
Media. Info instance. The class is specialized on seeking to time positions. To avoid going through every single frame up to the passed time position, the keyframe prior to the time position is selected while seeking. To seek in a stream the function av.
Then (if Force. Exact. Time. Position is enabled) the next frames are decoded until the actual time position in the stream is within the time base (time per frame) or gets further from the seeked time position again.
While seeking the field seek. AVFormat. Context must be set to 0 - otherwise the seeking will most likely end up in between two keyframes and up to the next keyframe the decoding will result in corrupt images because the frames in between are dependend on the prior keyframe. To extract frame images first the next package of teh selected video stream must be loaded using the function av. To determin the time position of the decoded frame the function av. I can only encourage you to try around and debug alot - Visual Studio is taking care of freeing the allocated memory if you break without disposing. There is one major bug with using the keyframes mode that I haven't solved or even found yet: The first few pictures on a thumbnail sheet created the faster keyframe method way always seem to be the same and the timestamps are missing the targeted ones by quite a lot. Future plans. To be honest, I don't have much time to work on this project, so don't expect updates soon!
This is what I have in mind so far though: Fix the same image bug when using keyframes mode. Implement an enumerator like seekable frame provider. Legal. The GNU Lesser General Public License v. LGPL3) for this article does apply to FFmpeg. Auto. Gen, FFmpeg and the code I've written. For FFmpeg the license is set to LGPL2.
How to update field on one table based on field in another table in MS Access 2. Good morning,I'm designing a database in Access 2. It specifies a bin location for each item that is tracked. Each product will always associated with one bin, and no bin will be associated with more than one product (but can be associated with 0 products). Products may move to a different bin at any given time, and I need to be able to search/filter/etc.
In it I've included a combo box whose control is a query that provides a list of all empty bins. This combo box will be used to select a bin location for a product, and updates the . This is so the previous bin will show as empty and become available for another product. I'm not very experienced with Access yet, and have limited experience with both Macros and VB, so I appreciate any suggestions!