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[osal]: change mpp_buffer working flow and buffer limitation interface

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git-svn-id: https://10.10.10.66:8443/svn/MediaProcessPlatform/trunk/mpp@136 6e48237b-75ef-9749-8fc9-41990f28c85a
This commit is contained in:
ChenHengming
2015-08-20 09:39:01 +00:00
parent 77632b3fa8
commit 2ac248839b
6 changed files with 208 additions and 53 deletions
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75
osal/android/os_allocator.c
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@@ -45,6 +45,81 @@ static int ion_close(int fd)
return ret;
}
static int ion_ioctl(int fd, int req, void *arg)
{
int ret = ioctl(fd, req, arg);
if (ret < 0) {
mpp_err("ion_ioctl %x failed with code %d: %s\n", req,
ret, strerror(errno));
return -errno;
}
return ret;
}
static int ion_alloc(int fd, size_t len, size_t align, unsigned int heap_mask,
unsigned int flags, ion_user_handle_t *handle)
{
int ret;
struct ion_allocation_data data = {
.len = len,
.align = align,
.heap_id_mask = heap_mask,
.flags = flags,
};
if (handle == NULL)
return -EINVAL;
ret = ion_ioctl(fd, ION_IOC_ALLOC, &data);
if (ret < 0)
return ret;
*handle = data.handle;
return ret;
}
static int ion_free(int fd, ion_user_handle_t handle)
{
struct ion_handle_data data = {
.handle = handle,
};
return ion_ioctl(fd, ION_IOC_FREE, &data);
}
static int ion_share(int fd, ion_user_handle_t handle, int *share_fd)
{
int map_fd;
int ret;
struct ion_fd_data data = {
.handle = handle,
};
if (share_fd == NULL)
return -EINVAL;
ret = ion_ioctl(fd, ION_IOC_SHARE, &data);
if (ret < 0)
return ret;
*share_fd = data.fd;
if (*share_fd < 0) {
mpp_err("share ioctl returned negative fd\n");
return -EINVAL;
}
return ret;
}
static int ion_alloc_fd(int fd, size_t len, size_t align, unsigned int heap_mask,
unsigned int flags, int *handle_fd) {
ion_user_handle_t handle;
int ret;
ret = ion_alloc(fd, len, align, heap_mask, flags, &handle);
if (ret < 0)
return ret;
ret = ion_share(fd, handle, handle_fd);
ion_free(fd, handle);
return ret;
}
int os_allocator_open(void **ctx, size_t alignment)
{
allocator_ion *p = NULL;