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docs: fix some typos

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Wim Taymans 2020-06-09 15:28:26 +02:00
parent 014e48c1f1
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doc/spa/pod.md
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@ -1,17 +1,17 @@
# POD # POD
POD (plan old data) is a sort of data container. It is comparable to POD (plan old data) is a sort of data container. It is comparable to
DBus Variant of LV2 Atom. DBus Variant or LV2 Atom.
A POD can express nested structures of Objects (with properties), Vectors, A POD can express nested structures of Objects (with properties), Vectors,
Arrays, sequences and various primitives types. All information in the POD Arrays, sequences and various primitives types. All information in the POD
is layed out sequenctially in memory and can be written directly do is layed out sequentially in memory and can be written directly to
storage or exchanged between processes or threads without additional storage or exchanged between processes or threads without additional
marshalling.. marshalling..
Each POD is made of a 32 bits size followed by a 32 bits type field, Each POD is made of a 32 bits size followed by a 32 bits type field,
followed by the pod contents. This makes it possible to skip over unknown followed by the pod contents. This makes it possible to skip over unknown
POD type. POD type. The POD start is always aligned to 8 bytes.
PODs can be efficiently constructed and parsed in real-time threads without PODs can be efficiently constructed and parsed in real-time threads without
requiring memory allocations. requiring memory allocations.
@ -285,7 +285,7 @@ an object of the expected type.
## Struct fields ## Struct fields
To iterate over the fields of a struct use: To iterate over the fields of a Struct use:
``` ```
struct spa_pod *pod, *obj; struct spa_pod *pod, *obj;
@ -470,7 +470,7 @@ Given 2 pod objects of the same type (Object, Struct, ..) one can
run a filter and generate a new pod that only contains values that run a filter and generate a new pod that only contains values that
are compatibe with both input pods. are compatibe with both input pods.
This is, for example, used to find a compatible format between to ports. This is, for example, used to find a compatible format between two ports.
As an example we can run a filter on two simple PODs: As an example we can run a filter on two simple PODs: