Input Format Enumeration

The writer object gets stream format information from the profile you give it. Stream configuration information in a profile gives the writer all of the information it needs about how the data is to be written in the file. The profile does not provide the writer with any information about the format of the input samples that your application delivers. Input formats will be unknown only for streams compressed with one of the Windows Media codecs; inputs for arbitrary stream types are predictable based on the information in the profile.

The writer object can communicate with the codec for a stream to determine the input types that can be used. Methods are provided to enumerate the possible input types. You should always find the input type that matches your input media by enumerating the supported types rather than setting the input media properties manually. For more information, see To Enumerate Input Formats.

Related topics

File Writing Features
Working with Inputs

 

 

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