The main header contains global information for the entire AVI file, such as the number of streams within the file and the width and height of the AVI sequence. One or more 'strl' lists follow the main header.
A 'strl' list is required for each data stream. Each 'strl' list contains information about one stream in the file, and must contain a stream header chunk 'strh' and a stream format chunk 'strf'. In addition, a 'strl' list might contain a stream-header data chunk 'strd' and a stream name chunk 'strn'. A stream format chunk 'strf' must follow the stream header chunk. The stream format chunk describes the format of the data in the stream.
The data contained in this chunk depends on the stream type. If the stream-header data 'strd' chunk is present, it follows the stream format chunk.
The format and content of this chunk are defined by the codec driver. Typically, drivers use this information for configuration.
Applications that read and write AVI files do not need to interpret this information; they simple transfer it to and from the driver as a memory block. The stream headers in the 'hdrl' list are associated with the stream data in the 'movi' list according to the order of the 'strl' chunks. The first 'strl' chunk applies to stream 0, the second applies to stream 1, and so forth.
Following the header information is a 'movi' list that contains the actual data in the streams—that is, the video frames and audio samples. The data chunks can reside directly in the 'movi' list, or they might be grouped within 'rec ' lists. The 'rec ' grouping implies that the grouped chunks should be read from disk all at once, and is intended for files that are interleaved to play from CD-ROM.
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Best iPads. Best iPhones. Best External Hard Drives. If the link to the manufacturer is not available on the Microsoft Knowledge Base Web site, try searching the Internet. If you continue to have problems playing the. If these methods did not work for you, you might want to ask someone you know for help. You can also visit the troubleshooting Web site for the Windows Media Player version that you are running. For more information about how to troubleshoot Windows Media Player, visit the following Microsoft Web sites:.
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Be aware that. To play an. For more information, click the following article numbers to view the articles in the Microsoft Knowledge Base:. Cannot play back the file. The format is not supported. Cannot play back the video stream: no suitable decompressor could be found. No combination of filters could be found to render the stream. The source filter for this file could not be loaded. One or more codecs required to open this content could not be found.
Video not available, cannot find 'VIDS: xxxx ' decompressor. Windows Media Player encountered an error. Click the icon for more information. Need more help? Expand your skills. Get new features first. A subscription to help make the most of your time. Smart assistance features. Ad-free email. Back up and access files across devices.
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