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inspect: improve output

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Keep state variable to enumerate things. This allows us to remove the
expectation that the same index will give the same item.
Use a new rectangle type for video size. When enumerating sizes, this
allows us to specify relations between width and height more easily.
Remove the struct and bytes type, they are like pointer.
Add filter to enum_formats to speed up enumerations.
This commit is contained in:
Wim Taymans 2016-07-15 18:22:29 +02:00
parent 77bc2a1793
commit b9320c67c2
27 changed files with 414 additions and 287 deletions
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16
spa/include/spa/node.h
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@ -240,12 +240,14 @@ struct _SpaNode {
* SpaNode::port_enum_formats:
* @handle: a #SpaHandle
* @port_id: the port to query
* @index: the format index to retrieve
* @format: pointer to a format
* @filter: a format filter
* @state: a state variable, %NULL to get the first item
*
* Enumerate all possible formats on @port_id of @node.
* Enumerate all possible formats on @port_id of @node that are compatible
* with @filter..
*
* Use the index to retrieve the formats one by one until the function
* Use @state to retrieve the formats one by one until the function
* returns #SPA_RESULT_ENUM_END.
*
* The result format can be queried and modified and ultimately be used
@ -254,13 +256,13 @@ struct _SpaNode {
* Returns: #SPA_RESULT_OK on success
* #SPA_RESULT_INVALID_ARGUMENTS when node or format is %NULL
* #SPA_RESULT_INVALID_PORT when port_id is not valid
* #SPA_RESULT_ENUM_END when no format exists for @index
*
* #SPA_RESULT_ENUM_END when no format exists
*/
SpaResult (*port_enum_formats) (SpaHandle *handle,
uint32_t port_id,
unsigned int index,
SpaFormat **format);
SpaFormat **format,
const SpaFormat *filter,
void **state);
/**
* SpaNode::port_set_format:
* @handle: a #SpaHandle