Contents. History During the development of what became the microprocessor, the implemented one of the first, and at the time highest-quality, software-only video codecs, which was marketed as 'Indeo Video'. At its public introduction, it was the only video codec supported in both the and 's software environments, as well as by IBM's software systems of the day. The original Indeo codec was highly asymmetrical, meaning that it took much more computation to encode a video stream than to decode it. Intel's video conferencing system took advantage of this, using hardware acceleration to encode the stream (and thus requiring an add-in card), but allowing the stream to be displayed on any personal computer. Intel produced several different versions of the codec between 1993 and 2000, when it was sold to Ligos, based on very different underlying mathematics and having different features.
Indeo Video Interactive, a wavelet-based codec that included novel features such as transparency and hot spot support, was aimed at video game developers. Though Indeo saw significant usage in the mid-1990s, it remained. Intel slowed development and stopped active marketing, and it was quickly surpassed in popularity by the rise of codecs and others, as processors became more powerful and its optimization for Intel's chips less important. Indeo still saw some use in videos. Implementations Official Indeo 5 decoders exist for, the, and the player on.
Versions 2, 3, 4 and 5 have reverse-engineered decoders in. Indeo version 3 ( IV31 and IV32), 4 ( IV41) and 5 ( IV50) are supported by and XAnim. Version 5.11 is and may be used on all 32-bit versions of Windows prior to Vista. Version 5.2 has been created for XP and is available for purchase from the official website for use only with Windows 95, 98, ME, NT, 2000 and XP.
This includes support for Indeo Video 4.5 and Indeo Audio 2.5 codecs but the version 3.2 video codec has been removed since the original release of Indeo XP for Windows. Although Indeo video is not officially supported by Windows Vista and Windows 7, simply entering the following into the command prompt might enable the playback of Indeo encoded video: regsvr32 ir5032.dll Security advisory The Microsoft Windows implementation of the Indeo codec contains several security vulnerabilities and one should not play Indeo videos from untrusted sources. On fully patched systems the Indeo codec is partially disabled in most circumstances; there are no plans to fix the vulnerabilities as the codec is third party code. See also. References.
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Not developed anymore since 2004, this codec might be obsolete for some or still necessary for others. Ligos Indeo Codec is useful, above all, for gamers. It was one of the first codecs that allowed full-speed playback without any need for hardware acceleration. The codec was mainly targeted at video games developers. Its popularity declined after the MPEG codec gained popularity, but Ligos was still necessary for cutscene videos in games. You can use Ligos Indeo Codec if your computer runs on Windows 95, 98, ME, XP, NT and 2000.
The last version of Ligos Indeo Codec (5.11) offered features such as an wavelet compression algorithm for better image quality, playback performance enhancements for Pentium II processor, including smoother, interpolated 'zoom by 2' playback on processors with MMX technology, better compression at all levels of video quality than previous generation codecs, Indeo video version 5.11 supports encoding with Microsoft DirectShow and progressive download. The last feature is enabled in Microsoft DirectShow architecture and supported by Internet Explorer 4.0 or above; it offers support for high-quality scalable video for the Internet and intranets.
Intel Indeo R5 1 Codec Download
![Download Download](/uploads/1/2/3/9/123935501/481722313.jpg)
As for the audio part, Ligos Indeo Codec offers 8:1 compression, support for Standard Multimedia Sample Rates and Support for Stereo and Mono. This video codec originally developed by Intel does not support the 3.x video codec anymore, though. Once a successful codec, Ligos Indeo Codec has not been developed anymore for years. It is definitely uncommon for average users to need this codec, but there might be some developers who still need it for some reason, so it continues to be available.
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Indeo® Video 5 Technical Overview Intel Indeo® Video 5 Technical Overview Indeo® video 5 is the latest release of Intel's video compression and decompression software. It features greatly improved visual quality, better compression, and playback performance enhancements for MMX technology and the Pentium® II processor. The new release also features an exciting new feature called Progressive Download, which allows high-quality, scalable video to be played back from Internet and intranet Web pages. New in Indeo Video 5 Indeo video 5 supports virtually all of the features of the previous 4 releases, but with greatly improved performance. Enhancements in the new release include:.
A new wavelet compression algorithm which greatly improves visual quality;. Better compression at all levels of video quality than previous generation codecs;. Playback performance enhancements for both MMX technology and the Pentium® II processor, included smoother, interpolated 'zoom by 2' playback on processors with MMX technology;. Progressive Download, a feature enabled in Microsoft's DirectShow.
![Codec Codec](/uploads/1/2/3/9/123935501/865346336.jpg)
architecture and supported by the new Internet Explorer 4.0 browser, which allows high-quality scalable video for the Internet and intranet. Progressive Download Progressive Download is a feature which allows Internet videos to be scalable. Video files on a Web server can be created in such a way that lower resolution, lower frame rate video can be viewed almost immediately, allowing the user to quickly decide if they wish to continue viewing the video or download it to their hard drive. Given more download time, and/or a faster Web connection, a Progressive Download file will continuously improve in both quality and frame rate until all of the video data is downloaded from the Web server to the client PC. This gives Web authors the ability to create high-quality video content, and viewers to use fast connections and, optionally, longer download times to get that high quality video on their PCs. Those connected to the Web at slower speeds, however, can still access video of good quality without unreasonable waits and download times. To create a Progressive Download file a video producer first creates a standard.AVI file using a video editing/compression tool such as Adobe Premiere or Asymetrix Digital Video Producer.
When creating the file Indeo video's Scalability compression option is turned ON. The file is then modified using Intel's Indeo video 5 Progressive Download Publisher tool. This tool opens and re-saves the file, creating the Progressive Download file structure and optionally compressing the audio into Intel's new Indeo audio format as it does so. To learn more about this process read about how to use the.
Getting Indeo video drivers Intel distributes Indeo video codecs free of charge to all PC users. You can incorporate them into your products royalty-free. The page at Intel's Indeo video 5 web site guides you through the download process.
Video access protection Many multimedia developers are concerned about the illegal distribution of their copyrighted material. The Indeo video 5 codec helps prevent misuse of video clips by using access keys. Applications need the password to play video clips encoded with an access key. Key frame flexibility The Indeo video 5 codec offers control and flexibility over the use of key frames. The key frame interval is unrestricted, allowing for a variety of values:. 0 Only the first frame in the file is a key frame.
No other key frames occur in the file. 1 Every frame in the file is a key frame. N Every nth frame in the file is a key. The value of n has no upper limit. NOTE: Because Indeo video 5 can generate higher quality at lower data rates, the default key frame interval is now 15. Along with this flexibility in key frame intervals, Indeo video 5 allows for non-periodic key frames.
This means that during editing, the encoding application can tell the Indeo video 5 codec to place a key frame at any location. Video producers can then specify access points anywhere within a video sequence, or better control video quality by placing key frames on scene change boundaries. Application interactivity Indeo video 5 incorporates features that make it possible to include video in interactive multimedia applications and games, challenging the traditional notion of video as having a fixed size and rectangular shape. Transparency For years, the movie and television industries have used the technique of chroma keying (sometimes called blue-screening) to place foreground objects over synthesized backgrounds. One example of chroma keying is when TV meteorologists appear to be standing in front of a wall-sized map, when in fact, they are standing in front of a blue wall.
Chroma key circuitry electronically separates the foreground pixels representing the meteorologist from the blue background pixels and overlays the meteorologist on an electronically-generated weather map. The Indeo video codec supports this type of transparency.
During encoding, a compression application can send information to the codec describing a color or range of colors that represent a transparent background (such as the blue wall in the meteorologist example). Indeo video 5 then analyzes each frame, separates the background pixels from the foreground, and makes the background pixels transparent, encoding only the foreground objects as compressed video. The Indeo video 5's transparency encoding is flexible, allowing for arbitrarily-shaped multiple foreground objects. Foreground objects can also move from frame to frame, allowing you to create what might be called video sprites. Video sprites are transparent video objects that can overlay other video or bitmap backgrounds. During playback, foreground objects can be composited dynamically over different backgrounds. For example, the meteorologist can appear over different weather maps on PCs with sufficiently powerful Pentium processors.
A foreground object can even appear over another video stream, as in the case of a tornado. Local decode Sometimes an application needs to display only part of a decoded video image. For example, in a game, you might look through the periscope of a submarine where your view would be limited to a small subset of the entire image. This subset changes as the video plays, depending on where the periscope is rotated. In this case, much of the source image does not need to be displayed, and it's preferable not to waste processor resources decoding it.
Indeo video 5 provides this capability through a feature called local decode. The playback application can tell Indeo video 5 to decode only a rectangular subregion, called the view port, from the source video image. The minimum possible size of the local decode viewport is defined during compression, but the display size and location of the viewport can be changed dynamically during playback.
Real-time video effects The brightness, contrast, and color saturation of Indeo video 5 files can be modified interactively during playback. This makes it possible to simulate different lighting conditions, or to tailor the appearance of the video playback to particular graphics environments and preferences. For more information Read more about these features and how to use them at the Indeo video 5 release Web site on the documentation page.
© 1997 Intel Corporation.
Not developed anymore since 2004, this codec might be obsolete for some or still necessary for others. Ligos Indeo Codec is useful, above all, for gamers. It was one of the first codecs that allowed full-speed playback without any need for hardware acceleration. The codec was mainly targeted at video games developers. Its popularity declined after the MPEG codec gained popularity, but Ligos was still necessary for cutscene videos in games. You can use Ligos Indeo Codec if your computer runs on Windows 95, 98, ME, XP, NT and 2000.
The last version of Ligos Indeo Codec (5.11) offered features such as an wavelet compression algorithm for better image quality, playback performance enhancements for Pentium II processor, including smoother, interpolated 'zoom by 2' playback on processors with MMX technology, better compression at all levels of video quality than previous generation codecs, Indeo video version 5.11 supports encoding with Microsoft DirectShow and progressive download. The last feature is enabled in Microsoft DirectShow architecture and supported by Internet Explorer 4.0 or above; it offers support for high-quality scalable video for the Internet and intranets. As for the audio part, Ligos Indeo Codec offers 8:1 compression, support for Standard Multimedia Sample Rates and Support for Stereo and Mono.
This video codec originally developed by Intel does not support the 3.x video codec anymore, though. Once a successful codec, Ligos Indeo Codec has not been developed anymore for years.
It is definitely uncommon for average users to need this codec, but there might be some developers who still need it for some reason, so it continues to be available.