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Work on negotiation

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Add helpers to convert between pinos and gstreamer formats.
Use pinos formats in the API.
Work on removing some hardcoded stuff and instead use the real format
from the pinos server.
Use memfd and sealing.
This commit is contained in:
Wim Taymans 2016-08-05 16:39:26 +02:00
parent dd1fbef28f
commit ac5d22ec79
26 changed files with 638 additions and 199 deletions
Download patch file Download diff file Expand all files Collapse all files

36
spa/lib/memory.c
View file

@ -29,6 +29,7 @@
#include <fcntl.h>
#include "spa/memory.h"
#include "memfd-wrappers.h"
#define MAX_POOLS 16
#define MAX_MEMORIES 1024
@ -144,17 +145,23 @@ SpaMemory *
spa_memory_alloc_with_fd (uint32_t pool_id, void *data, size_t size)
{
SpaMemory *mem;
char filename[] = "/dev/shm/spa-tmpfile.XXXXXX";
if (!(mem = spa_memory_alloc (pool_id)))
return NULL;
mem->fd = mkostemp (filename, O_CLOEXEC);
if (mem->fd == -1) {
fprintf (stderr, "Failed to create temporary file: %s\n", strerror (errno));
return NULL;
#if 0
{
char filename[] = "/dev/shm/spa-tmpfile.XXXXXX";
mem->fd = mkostemp (filename, O_CLOEXEC);
if (mem->fd == -1) {
fprintf (stderr, "Failed to create temporary file: %s\n", strerror (errno));
return NULL;
}
unlink (filename);
}
unlink (filename);
#else
mem->fd = memfd_create ("spa-memfd", MFD_CLOEXEC | MFD_ALLOW_SEALING);
#endif
if (data) {
if (write (mem->fd, data, size) != (ssize_t) size) {
@ -169,6 +176,18 @@ spa_memory_alloc_with_fd (uint32_t pool_id, void *data, size_t size)
return NULL;
}
}
#if 1
{
unsigned int seals;
seals = F_SEAL_GROW | F_SEAL_SHRINK | F_SEAL_SEAL;
if (fcntl (mem->fd, F_ADD_SEALS, seals) == -1) {
fprintf (stderr, "Failed to write data: %s\n", strerror (errno));
close (mem->fd);
return NULL;
}
}
#endif
mem->flags = SPA_MEMORY_FLAG_READWRITE;
mem->size = size;
@ -209,6 +228,8 @@ spa_memory_import (SpaMemoryRef *ref)
mem->mem = *ref;
mem->ptr = NULL;
mem->fd = -1;
} else {
mem->refcount++;
}
return mem;
@ -236,6 +257,9 @@ spa_memory_free (SpaMemory *mem)
if (mem->ptr)
munmap (mem->ptr, mem->size);
close (mem->fd);
} else {
if (mem->ptr)
free (mem->ptr);
}
pool = &pools[mem->mem.pool_id];
pool->free_mem[pool->n_free] = mem->mem.id;