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[mpp_buffer]: add allocator to normal mode buffer, use orphan group instead of orphan buffer

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git-svn-id: https://10.10.10.66:8443/svn/MediaProcessPlatform/trunk/mpp@132 6e48237b-75ef-9749-8fc9-41990f28c85a
This commit is contained in:
ChenHengming
2015-08-20 01:38:12 +00:00
parent 7d0abbd3a8
commit 8378c2f847
4 changed files with 73 additions and 43 deletions
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97
mpp/mpp_buffer_impl.cpp
View File

@@ -22,8 +22,11 @@
#include "mpp_mem.h"
#include "mpp_buffer_impl.h"
#define MPP_BUFFER_SERVICE_LOCK() pthread_mutex_lock(&services.lock)
#define MPP_BUFFER_SERVICE_UNLOCK() pthread_mutex_unlock(&services.lock)
#define MPP_BUFFER_SERVICE_LOCK() pthread_mutex_lock(&service.lock)
#define MPP_BUFFER_SERVICE_UNLOCK() pthread_mutex_unlock(&service.lock)
#define SEARCH_GROUP_NORMAL(id) search_group_by_id_no_lock(&service.list_group, id)
#define SEARCH_GROUP_ORPHAN(id) search_group_by_id_no_lock(&service.list_orphan, id)
typedef struct {
pthread_mutex_t lock;
@@ -36,18 +39,18 @@ typedef struct {
struct list_head list_orphan;
} MppBufferService;
static MppBufferService services = {
static MppBufferService service = {
PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP,
0,
0,
LIST_HEAD_INIT(services.list_group),
LIST_HEAD_INIT(services.list_orphan),
LIST_HEAD_INIT(service.list_group),
LIST_HEAD_INIT(service.list_orphan),
};
static MppBufferGroupImpl *search_buffer_group_by_id_no_lock(RK_U32 group_id)
static MppBufferGroupImpl *search_group_by_id_no_lock(struct list_head *list, RK_U32 group_id)
{
MppBufferGroupImpl *pos, *n;
list_for_each_entry_safe(pos, n, &services.list_group, MppBufferGroupImpl, list_group) {
list_for_each_entry_safe(pos, n, list, MppBufferGroupImpl, list_group) {
if (pos->group_id == group_id) {
return pos;
}
@@ -55,15 +58,36 @@ static MppBufferGroupImpl *search_buffer_group_by_id_no_lock(RK_U32 group_id)
return NULL;
}
MPP_RET deinit_group_no_lock(MppBufferGroupImpl *group)
{
mpp_alloctor_put(&group->allocator);
list_del_init(&group->list_group);
mpp_free(group);
service.group_count--;
return MPP_OK;
}
MPP_RET deinit_buffer_no_lock(MppBufferImpl *buffer)
{
mpp_assert(buffer->ref_count == 0);
mpp_assert(buffer->used == 0);
list_del_init(&buffer->list_status);
MppBufferGroupImpl *group = search_buffer_group_by_id_no_lock(buffer->group_id);
if (group)
MppBufferGroupImpl *group = SEARCH_GROUP_NORMAL(buffer->group_id);
if (group) {
if (MPP_BUFFER_MODE_NATIVE == buffer->mode) {
group->alloc_api->free(group->allocator, &buffer->data);
}
group->usage -= buffer->size;
} else {
group = SEARCH_GROUP_ORPHAN(buffer->group_id);
mpp_assert(group);
mpp_assert(buffer->mode == MPP_BUFFER_MODE_NATIVE);
group->alloc_api->free(group->allocator, &buffer->data);
group->usage -= buffer->size;
if (0 == group->usage)
deinit_group_no_lock(group);
}
mpp_free(buffer);
@@ -86,7 +110,7 @@ static MPP_RET inc_buffer_ref_no_lock(MppBufferImpl *buffer)
{
MPP_RET ret = MPP_OK;
if (!buffer->used) {
MppBufferGroupImpl *group = search_buffer_group_by_id_no_lock(buffer->group_id);
MppBufferGroupImpl *group = SEARCH_GROUP_NORMAL(buffer->group_id);
// NOTE: when increasing ref_count the unused buffer must be under certain group
mpp_assert(group);
buffer->used = 1;
@@ -112,19 +136,28 @@ MPP_RET mpp_buffer_create(const char *tag, RK_U32 group_id, size_t size, MppBuff
MPP_BUFFER_SERVICE_LOCK();
MppBufferGroupImpl *group = search_buffer_group_by_id_no_lock(group_id);
MppBufferGroupImpl *group = SEARCH_GROUP_NORMAL(group_id);
if (group) {
if (NULL == data) {
group->alloc_api->alloc(group->allocator, &data, size);
p->mode = MPP_BUFFER_MODE_NATIVE;
} else {
p->mode = MPP_BUFFER_MODE_COMMIT;
}
if (NULL == data) {
mpp_err("mpp_buffer_create failed to create buffer with size %d\n", size);
mpp_free(p);
MPP_BUFFER_SERVICE_UNLOCK();
return MPP_ERR_MALLOC;
}
if (NULL == tag) {
tag = group->tag;
}
strncpy(p->tag, tag, sizeof(p->tag));
p->group_id = group_id;
p->size = size;
if (data) {
p->data = *data;
} else {
// TODO: if data is NULL need to allocate from allocator
}
p->used = 0;
p->ref_count = 0;
INIT_LIST_HEAD(&p->list_status);
@@ -178,7 +211,7 @@ MPP_RET mpp_buffer_ref_dec(MppBufferImpl *buffer)
if (0 == buffer->ref_count) {
buffer->used = 0;
list_del_init(&buffer->list_status);
MppBufferGroupImpl *group = search_buffer_group_by_id_no_lock(buffer->group_id);
MppBufferGroupImpl *group = SEARCH_GROUP_NORMAL(buffer->group_id);
if (group) {
list_add_tail(&buffer->list_status, &group->list_unused);
check_buffer_group_limit(group);
@@ -227,22 +260,23 @@ MPP_RET mpp_buffer_group_init(MppBufferGroupImpl **group, const char *tag, MppBu
INIT_LIST_HEAD(&p->list_used);
INIT_LIST_HEAD(&p->list_unused);
list_add_tail(&p->list_group, &services.list_group);
list_add_tail(&p->list_group, &service.list_group);
snprintf(p->tag, sizeof(p->tag), "%s_%d", tag, services.group_id);
snprintf(p->tag, sizeof(p->tag), "%s_%d", tag, service.group_id);
p->type = type;
p->limit = BUFFER_GROUP_SIZE_DEFAULT;
p->usage = 0;
p->group_id = services.group_id;
p->group_id = service.group_id;
// avoid group_id reuse
do {
services.group_count++;
if (NULL == search_buffer_group_by_id_no_lock(services.group_count))
service.group_count++;
if (NULL == SEARCH_GROUP_NORMAL(service.group_count) &&
NULL == SEARCH_GROUP_ORPHAN(service.group_count))
break;
} while (p->group_id != services.group_count);
} while (p->group_id != service.group_count);
mpp_alloctor_get(&p->allocator, &p->api);
mpp_alloctor_get(&p->allocator, &p->alloc_api);
MPP_BUFFER_SERVICE_UNLOCK();
*group = p;
@@ -267,19 +301,20 @@ MPP_RET mpp_buffer_group_deinit(MppBufferGroupImpl *p)
}
}
// move used buffer to orphan list
if (!list_empty(&p->list_used)) {
if (list_empty(&p->list_used)) {
deinit_group_no_lock(p);
} else {
// otherwise move the group to list_orphan and wait for buffer release
list_del_init(&p->list_group);
list_add_tail(&p->list_group, &service.list_orphan);
mpp_err("mpp_group %p deinit with %d buffer not released\n", p, p->usage);
// if any buffer with mode MPP_BUFFER_MODE_COMMIT found it should be error
MppBufferImpl *pos, *n;
list_for_each_entry_safe(pos, n, &p->list_used, MppBufferImpl, list_status) {
list_add_tail(&pos->list_status, &services.list_orphan);
mpp_assert(pos->mode != MPP_BUFFER_MODE_COMMIT);
}
}
mpp_alloctor_put(&p->allocator);
list_del_init(&p->list_group);
services.group_count--;
MPP_BUFFER_SERVICE_UNLOCK();
return MPP_OK;

5
mpp/mpp_buffer_impl.h
View File

@@ -39,6 +39,7 @@ struct MppBufferImpl_t {
RK_U32 group_id;
size_t size;
MppBufferData data;
MppBufferMode mode;
// used flag is for used/unused list detection
RK_U32 used;
@@ -54,7 +55,7 @@ struct MppBufferGroupImpl_t {
size_t usage;
MppAllocator allocator;
MppAllocatorApi *api;
MppAllocatorApi *alloc_api;
// link to the other MppBufferGroupImpl
struct list_head list_group;
@@ -97,8 +98,6 @@ MPP_RET mpp_buffer_create(const char *tag, RK_U32 group_id, size_t size, MppBuff
MPP_RET mpp_buffer_destroy(MppBufferImpl *buffer);
MPP_RET mpp_buffer_ref_inc(MppBufferImpl *buffer);
MPP_RET mpp_buffer_ref_dec(MppBufferImpl *buffer);
// TODO: get unused is a block or wait function
MppBufferImpl *mpp_buffer_get_unused(MppBufferGroupImpl *p, size_t size);
MPP_RET mpp_buffer_group_init(MppBufferGroupImpl **group, const char *tag, MppBufferType type);

2
osal/inc/mpp_allocator.h
View File

@@ -27,7 +27,7 @@ typedef struct {
RK_U32 version;
MPP_RET (*alloc)(MppAllocator allocator, MppBufferData **data, size_t size);
MPP_RET (*free)(MppAllocator allocator, MppBufferData **data);
MPP_RET (*free)(MppAllocator allocator, MppBufferData *data);
} MppAllocatorApi;
#ifdef __cplusplus

10
osal/mpp_allocator.cpp
View File

@@ -57,7 +57,7 @@ MPP_RET mpp_allocator_alloc(MppAllocator allocator, MppBufferData **data, size_t
return (0 == ret) ? (MPP_OK) : (MPP_NOK);
}
MPP_RET mpp_allocator_free(MppAllocator allocator, MppBufferData **data)
MPP_RET mpp_allocator_free(MppAllocator allocator, MppBufferData *data)
{
if (NULL == allocator || NULL == data) {
mpp_err("mpp_allocator_alloc invalid input: allocator %p data %p\n",
@@ -67,14 +67,10 @@ MPP_RET mpp_allocator_free(MppAllocator allocator, MppBufferData **data)
MppAllocatorImpl *palloc = (MppAllocatorImpl *)allocator;
MPP_ALLOCATOR_LOCK(palloc);
MppBufferData *pdata = *data;
*data = NULL;
os_allocator_free(palloc->allocator, pdata);
os_allocator_free(palloc->allocator, data);
MPP_ALLOCATOR_UNLOCK(palloc);
mpp_free(pdata);
mpp_free(data);
return MPP_OK;
}