Overview of LEADTOOLS Media Foundation Transform Technology
- Create Media Foundation applications with the ability to compress, decompress, process, stream, and enhance audio and video data
Utilize and control many Media Foundation Transforms
- Use LEADTOOLS proprietary Media Foundation Transforms or any other third-party Transform installed on the machine
- Includes .NET (C# & VB) and C DLL libraries for 32 and 64-bit development
What is Media Foundation?
Microsoft Media Foundation was introduced as
the eventual replacement of DirectShow.
It features many enhancements and improvements for audio and video playback quality,
high-definition content, hardware acceleration, and more. Like its predecessor,
Media Foundation is a COM-based multimedia framework whose primary object model
is based upon Media Foundation Transforms (MFTs) to do the processing work.
What are Media Foundation Components?
Since the entire concept of rendering, converting, and capturing files in Media
Foundation is based on Components and Transforms, it is important to understand
the role of each component within the topology.
Media Source. This is usually the first filter in the topology. It is responsible
for reading the input data and splitting the media streams. The data may come from a file on disk,
a network, a hardware device, or any other method. Each media source contains one or more streams,
and each stream delivers data of one type, such as audio or video.
Audio/Video Decoder. These Transforms handle the actual decoding or decompression.
They do not demultiplex (split), so data should be demultiplexed before it is passed to the decoder.
Therefore, they are usually connected to the media source output. For example, the video decoder
input might be a compressed video stream such as MPEG-2, and the output can be raw video data.
Renderer. These components are used to render data. The data can be audio,
video, or both. For example, when playing a media file with both audio and video, an audio renderer
will handle directing the audio data to the sound device, and a video renderer will handle
displaying the video on the screen. The input of the renderer is usually uncompressed data
coming from the decoder.
Audio/Video Encoder. These Transforms are used to compress audio or video data.
The input is usually uncompressed audio or video data, and the output is the compressed
version of the same data.
Media Sink. These components are usually the last Transforms in the topology.
They are responsible for joining media streams and handle writing the data to disk to create
a media file, or they can send the data to some other location, such as over a network.
Audio/Video Processor (Transform). These are usually custom Transforms used
to perform some type of data processing or generate some type of event. LEAD has created many
audio and video processors, such as the Video Resize Transform, used to resize a video stream.
These Transforms typically handle uncompressed data, so they will be inserted in the
topology before the encoder or after the decoder.
Technology Related to Media Foundation Transforms
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Documentation Links for Media Foundation Transforms
LEADTOOLS SDK Products that Include Media Foundation Transforms
LEADTOOLS Multimedia is specifically designed for the development of audio/video applications across a wide variety of industries, including defense, broadcast, and security. The Multimedia SDK offers developers a full range of technologies that turn normally complex DirectShow and Media Foundation projects into simple tasks. The integration of core multimedia functionality, such as playback, capture, conversion, and processing into applications, is easier than ever before with LEADTOOLS Multimedia.
The LEADTOOLS Multimedia Suite SDK is a comprehensive collection of multimedia development technology that provides developers with everything they need to create enterprise-level multimedia applications for a wide variety of industries, including defense, broadcast, security, and more. By bundling features from the Multimedia SDK, DVD Module, Streaming Module, MPEG-2 Transport Module, Imaging Pro SDK, and Distributed Computing SDK, Multimedia Suite offers a tremendous value for the world-class technology it provides.
NOTE: LEADTOOLS Media Foundation Transforms are very diverse and cover the gamut of multimedia features and technologies. Many transforms are included with the base SDK products above, while some can be added á la carte or bundled together with various add-on modules. See the Multimedia Product Comparison Chart for more details on how to obtain each Media Foundation Transform.