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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
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@ -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)++)