system/pipewire
system/pipewire
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/pipewire/pipewire synced 2024-10-04 15:10:20 +00:00
Code Issues Packages Projects Releases Wiki Activity

buffer: add GenericFd memory type

Browse source 
Add a Generic fd type. These could be eventfd or timerfd, the meaning
can depend on extra metadata.
This commit is contained in:
Wim Taymans 2024-04-02 11:42:09 +02:00
parent 77f3b7f6e4
commit f3fe20bdde
4 changed files with 15 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

14
spa/include/spa/buffer/buffer.h
View file

@ -27,9 +27,17 @@ enum spa_data_type {
SPA_DATA_Invalid,
SPA_DATA_MemPtr, /**< pointer to memory, the data field in
* struct spa_data is set. */
SPA_DATA_MemFd, /**< generic fd, mmap to get to memory */
SPA_DATA_DmaBuf, /**< fd to dmabuf memory */
SPA_DATA_MemId, /**< memory is identified with an id */
SPA_DATA_MemFd, /**< memfd, mmap to get to memory. */
SPA_DATA_DmaBuf, /**< fd to dmabuf memory. This might not be readily
* mappable (unless the MAPPABLE flag is set) and should
* normally be handled with DMABUF apis. */
SPA_DATA_MemId, /**< memory is identified with an id. The actual memory
* can be obtained in some other way and can be identified
* with this id. */
SPA_DATA_GenericFd, /**< generic fd, type and usage might be in metadata. If
* there is a size and MAPPABLE flag, this can be mmapped
* to obtain a memory region. The semantics of memfd might
* not be available (SEALING, ...) */
_SPA_DATA_LAST, /**< not part of ABI */
};

1
spa/include/spa/buffer/type-info.h
View file

@ -35,6 +35,7 @@ static const struct spa_type_info spa_type_data_type[] = {
{ SPA_DATA_MemFd, SPA_TYPE_Int, SPA_TYPE_INFO_DATA_FD_BASE "MemFd", NULL },
{ SPA_DATA_DmaBuf, SPA_TYPE_Int, SPA_TYPE_INFO_DATA_FD_BASE "DmaBuf", NULL },
{ SPA_DATA_MemId, SPA_TYPE_Int, SPA_TYPE_INFO_DATA_BASE "MemId", NULL },
{ SPA_DATA_GenericFd, SPA_TYPE_Int, SPA_TYPE_INFO_DATA_BASE "GenericFd", NULL },
{ 0, 0, NULL, NULL },
};

1
src/modules/module-client-node/client-node.c
View file

@ -855,6 +855,7 @@ do_port_use_buffers(struct impl *impl,
switch (d->type) {
case SPA_DATA_DmaBuf:
case SPA_DATA_MemFd:
case SPA_DATA_GenericFd:
{
uint32_t flags = PW_MEMBLOCK_FLAG_DONT_CLOSE;

3
test/test-spa-buffer.c
View file

@ -17,7 +17,8 @@ PWTEST(buffer_abi_types)
pwtest_int_eq(SPA_DATA_MemFd, 2);
pwtest_int_eq(SPA_DATA_DmaBuf, 3);
pwtest_int_eq(SPA_DATA_MemId, 4);
pwtest_int_eq(_SPA_DATA_LAST, 5);
pwtest_int_eq(SPA_DATA_GenericFd, 5);
pwtest_int_eq(_SPA_DATA_LAST, 6);
/* meta */
pwtest_int_eq(SPA_META_Invalid, 0);