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add some docs

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This commit is contained in:
Wim Taymans 2019-10-25 15:01:27 +02:00
parent 9ffec214b8
commit ebb5ed94a2
6 changed files with 39 additions and 21 deletions
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15
spa/include/spa/buffer/meta.h
View file

@ -38,12 +38,12 @@ extern "C" {
*/
enum spa_meta_type {
SPA_META_Invalid,
SPA_META_Header,
SPA_META_VideoCrop,
SPA_META_VideoDamage,
SPA_META_Bitmap,
SPA_META_Cursor,
SPA_META_Control, /**< metadata contains a spa_pod_sequence
SPA_META_Header, /**< struct spa_meta_header */
SPA_META_VideoCrop, /**< struct spa_meta_region with cropping data */
SPA_META_VideoDamage, /**< array of struct spa_meta_region with damage */
SPA_META_Bitmap, /**< struct spa_meta_bitmap */
SPA_META_Cursor, /**< struct spa_meta_cursor */
SPA_META_Control, /**< metadata contains a spa_meta_control
* associated with the data */
SPA_META_LAST, /**< not part of ABI/API */
@ -91,7 +91,8 @@ struct spa_meta_region {
#define spa_meta_region_is_valid(m) ((m)->region.size.width != 0 && (m)->region.size.height != 0)
#define spa_meta_region_for_each(pos,meta) \
/** iterate all the items in a metadata */
#define spa_meta_for_each(pos,meta) \
for (pos = (__typeof(pos))spa_meta_first(meta); \
spa_meta_check(pos, meta); \
(pos)++)

10
spa/include/spa/buffer/type-info.h
View file

@ -56,19 +56,23 @@ static const struct spa_type_info spa_type_data_type[] = {
#define SPA_TYPE_INFO_Meta SPA_TYPE_INFO_POINTER_BASE "Meta"
#define SPA_TYPE_INFO_META_BASE SPA_TYPE_INFO_Meta ":"
#define SPA_TYPE_INFO_META_Array SPA_TYPE_INFO_META_BASE "Array"
#define SPA_TYPE_INFO_META_ARRAY_BASE SPA_TYPE_INFO_META_Array ":"
#define SPA_TYPE_INFO_META_Region SPA_TYPE_INFO_META_BASE "Region"
#define SPA_TYPE_INFO_META_REGION_BASE SPA_TYPE_INFO_META_Region ":"
#define SPA_TYPE_INFO_META_RegionArray SPA_TYPE_INFO_META_BASE "RegionArray"
#define SPA_TYPE_INFO_META_REGION_ARRAY_BASE SPA_TYPE_INFO_META_RegionArray ":"
#define SPA_TYPE_INFO_META_ARRAY_Region SPA_TYPE_INFO_META_ARRAY_BASE "Region"
#define SPA_TYPE_INFO_META_ARRAY_REGION_BASE SPA_TYPE_INFO_META_ARRAY_Region ":"
static const struct spa_type_info spa_type_meta_type[] = {
{ SPA_META_Invalid, SPA_TYPE_Pointer, SPA_TYPE_INFO_META_BASE "Invalid", NULL },
{ SPA_META_Header, SPA_TYPE_Pointer, SPA_TYPE_INFO_META_BASE "Header", NULL },
{ SPA_META_VideoCrop, SPA_TYPE_Pointer, SPA_TYPE_INFO_META_REGION_BASE "VideoCrop", NULL },
{ SPA_META_VideoDamage, SPA_TYPE_Pointer, SPA_TYPE_INFO_META_REGION_ARRAY_BASE "VideoDamage", NULL },
{ SPA_META_VideoDamage, SPA_TYPE_Pointer, SPA_TYPE_INFO_META_ARRAY_REGION_BASE "VideoDamage", NULL },
{ SPA_META_Bitmap, SPA_TYPE_Pointer, SPA_TYPE_INFO_META_BASE "Bitmap", NULL },
{ SPA_META_Cursor, SPA_TYPE_Pointer, SPA_TYPE_INFO_META_BASE "Cursor", NULL },
{ SPA_META_Control, SPA_TYPE_Pointer, SPA_TYPE_INFO_META_BASE "Control", NULL },
{ 0, 0, NULL, NULL },
};

2
spa/include/spa/debug/buffer.h
View file

@ -75,7 +75,7 @@ static inline int spa_debug_buffer(int indent, const struct spa_buffer *buffer)
case SPA_META_VideoDamage:
{
struct spa_meta_region *h;
spa_meta_region_for_each(h, m) {
spa_meta_for_each(h, m) {
spa_debug("%*s" " struct spa_meta_region:", indent, "");
spa_debug("%*s" " x: %d", indent, "", h->region.position.x);
spa_debug("%*s" " y: %d", indent, "", h->region.position.y);

29
spa/include/spa/monitor/device.h
View file

@ -37,11 +37,19 @@ extern "C" {
/**
* spa_device:
*
* The device interface.
* The device interface can be used to monitor all kinds of devices
* and create objects as a result. Objects a typically other
* Devices or Nodes.
*
*/
#define SPA_VERSION_DEVICE 0
struct spa_device { struct spa_interface iface; };
/**
* Information about the device and parameters it supports
*
* This information is part of the info event on a device.
*/
struct spa_device_info {
#define SPA_VERSION_DEVICE_INFO 0
uint32_t version;
@ -51,25 +59,30 @@ struct spa_device_info {
#define SPA_DEVICE_CHANGE_MASK_PARAMS (1u<<2)
uint64_t change_mask;
uint64_t flags;
const struct spa_dict *props;
struct spa_param_info *params;
uint32_t n_params;
const struct spa_dict *props; /**< device properties */
struct spa_param_info *params; /**< supported parameters */
uint32_t n_params; /**< number of elements in params */
};
#define SPA_DEVICE_INFO_INIT() (struct spa_device_info){ SPA_VERSION_DEVICE_INFO, }
/**
* Information about a device object
*
* This information is part of the object_info event on the device.
*/
struct spa_device_object_info {
#define SPA_VERSION_DEVICE_OBJECT_INFO 0
uint32_t version;
uint32_t type;
const char *factory_name;
uint32_t type; /**< the object type managed by this device */
const char *factory_name; /**< a factory name that implements the object */
#define SPA_DEVICE_OBJECT_CHANGE_MASK_FLAGS (1u<<0)
#define SPA_DEVICE_OBJECT_CHANGE_MASK_PROPS (1u<<1)
uint64_t change_mask;
uint64_t flags;
const struct spa_dict *props;
const struct spa_dict *props; /**< extra object properties */
};
#define SPA_DEVICE_OBJECT_INFO_INIT() (struct spa_device_object_info){ SPA_VERSION_DEVICE_OBJECT_INFO, }
@ -134,7 +147,7 @@ struct spa_device_methods {
* the device.
*
* Setting the events will trigger the info event and an
* object_info event for each managed node on the new
* object_info event for each managed object on the new
* listener.
*
* \param device a #spa_device

2
src/examples/export-sink.c
View file

@ -387,7 +387,7 @@ static int do_render(struct spa_loop *loop, bool async, uint32_t seq,
}
if ((m = spa_buffer_find_meta(buf, SPA_META_VideoDamage))) {
spa_meta_region_for_each(r, m) {
spa_meta_for_each(r, m) {
if (!spa_meta_region_is_valid(r))
break;
if (memcmp(&r->region, &d->region, sizeof(struct spa_region)) == 0)

2
src/modules/module-protocol-native/v0/typemap.h
View file

@ -44,7 +44,7 @@ const struct type_info {
{ "Spa:Enum:ParamId:Meta", SPA_TYPE_INFO_PARAM_ID_BASE "Meta", SPA_PARAM_Meta, },
{ "Spa:Pointer:Meta:Header", SPA_TYPE_INFO_META_BASE "Header", SPA_META_Header, },
{ "Spa:Pointer:Meta:VideoCrop", SPA_TYPE_INFO_META_REGION_BASE "VideoCrop", SPA_META_VideoCrop, },
{ "Spa:Pointer:Meta:VideoDamage", SPA_TYPE_INFO_META_REGION_ARRAY_BASE "VideoDamage", SPA_META_VideoDamage, },
{ "Spa:Pointer:Meta:VideoDamage", SPA_TYPE_INFO_META_ARRAY_REGION_BASE "VideoDamage", SPA_META_VideoDamage, },
{ "Spa:Pointer:Meta:Bitmap", SPA_TYPE_INFO_META_BASE "Bitmap", SPA_META_Bitmap, },
{ "Spa:Pointer:Meta:Cursor", SPA_TYPE_INFO_META_BASE "Cursor", SPA_META_Cursor, },
{ "Spa:Enum:DataType:MemPtr", SPA_TYPE_INFO_DATA_BASE "MemPtr", SPA_DATA_MemPtr, },