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jasker5183 2022-05-08 17:06:28 +00:00 • committed by Wim Taymans
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doc/spa-buffer.dox
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@ -6,7 +6,7 @@ A \ref spa_buffer "SPA Buffer" contains metadata and data. There can be many met
> What is the `void*` data pointer in `spa_data`?
The data information either has a file descriptor or a data pointer. The type of the `spa_data` tells you what to expect. For a file descriptor, the data pointer can optionally be set when the fd is mapped into memory. Otherwise the user has to mmap the data herself.
The data information either has a file descriptor or a data pointer. The type of the `spa_data` tells you what to expect. For a file descriptor, the data pointer can optionally be set when the FD is mapped into memory. Otherwise the user has to mmap the data themselves.
Also associated with each `spa_data` is a chunk, which is read/write and contains the valid region in the `spa_data` (offset, size, stride and some flags).