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[mpp_buffer]: add empty flow test for mpp_buffer

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git-svn-id: https://10.10.10.66:8443/svn/MediaProcessPlatform/trunk/mpp@120 6e48237b-75ef-9749-8fc9-41990f28c85a
This commit is contained in:
ChenHengming
2015-08-18 04:02:02 +00:00
parent 5c43c9333d
commit ff1b44c75b
5 changed files with 209 additions and 21 deletions
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56
inc/mpp_buffer.h
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@@ -31,10 +31,12 @@ typedef void* MppBufferGroup;
*
* typical call flow:
*
* mpp_buffer_get() return a
* mpp_buffer_inc_ref(a)
* mpp_buffer_put(a)
* mpp_buffer_put(a)
* mpp_buffer_group_get() return A
* mpp_buffer_get(A) return a ref +1 -> used
* mpp_buffer_inc_ref(a) ref +1
* mpp_buffer_put(a) ref -1
* mpp_buffer_put(a) ref -1 -> unused
* mpp_buffer_group_put(A)
*
* commit mode: all buffer are commited out of mpp
* under this mode, buffer pool is controlled by external api
@@ -42,21 +44,20 @@ typedef void* MppBufferGroup;
* typical call flow:
*
* ==== external allocator ====
* mpp_buffer_commit(a)
* mpp_buffer_commit(b)
* mpp_buffer_group_get() return A
* mpp_buffer_commit(A, x)
* mpp_buffer_commit(A, y)
*
* ======= internal user ======
* mpp_buffer_get() return a
* mpp_buffer_get() return b
* mpp_buffer_get(A) return a
* mpp_buffer_get(A) return b
* mpp_buffer_put(a)
* mpp_buffer_put(b)
*
* ==== external allocator ====
* mpp_buffer_commit(a)
* mpp_buffer_commit(b)
* mpp_buffer_group_put(A)
*
* NOTE: commit/remove interface required group handle to record
* buffer group information
* NOTE: commit interface required group handle to record group information
*/
typedef enum {
MPP_BUFFER_MODE_NATIVE,
@@ -75,12 +76,22 @@ typedef enum {
MPP_BUFFER_TYPE_BUTT,
} MppBufferType;
#define mpp_buffer_commit(...) _mpp_buffer_commit(MODULE_TAG, ## __VA_ARGS__)
#define mpp_buffer_remove(...) _mpp_buffer_remove(MODULE_TAG, ## __VA_ARGS__)
typedef struct {
MppBufferType type;
size_t size;
union {
void *ptr;
RK_S32 fd;
} data;
} MppBufferCommit;
#define mpp_buffer_get(...) _mpp_buffer_get(MODULE_TAG, ## __VA_ARGS__)
#define mpp_buffer_put(...) _mpp_buffer_put(MODULE_TAG, ## __VA_ARGS__)
#define mpp_buffer_inc_ref(...) _mpp_buffer_inc_ref(MODULE_TAG, ## __VA_ARGS__)
#define mpp_buffer_commit(...) _mpp_buffer_commit(MODULE_TAG, ## __VA_ARGS__)
#define mpp_buffer_get(...) _mpp_buffer_get(MODULE_TAG, ## __VA_ARGS__)
#define mpp_buffer_put(...) _mpp_buffer_put(MODULE_TAG, ## __VA_ARGS__)
#define mpp_buffer_inc_ref(...) _mpp_buffer_inc_ref(MODULE_TAG, ## __VA_ARGS__)
#define mpp_buffer_group_get(...) _mpp_buffer_group_get(MODULE_TAG, ## __VA_ARGS__)
#define mpp_buffer_group_put(...) _mpp_buffer_group_put(MODULE_TAG, ## __VA_ARGS__)
#ifdef __cplusplus
extern "C" {
@@ -88,14 +99,17 @@ extern "C" {
/*
* MppBuffer interface
* these interface will change value of group and buffer so before calling functions
* parameter need to be checked.
*/
MPP_RET _mpp_buffer_commit(const char *tag, MppBufferGroup *group, MppBuffer *buffer, MppBufferType type, size_t size);
MPP_RET _mpp_buffer_remove(const char *tag, MppBufferGroup *group, MppBuffer *buffer);
MPP_RET _mpp_buffer_get(const char *tag, MppBuffer *buffer, size_t size);
MPP_RET _mpp_buffer_commit(const char *tag, MppBufferGroup group, MppBufferCommit *buffer);
MPP_RET _mpp_buffer_get(const char *tag, MppBufferGroup group, MppBuffer *buffer, size_t size);
MPP_RET _mpp_buffer_put(const char *tag, MppBuffer *buffer);
MPP_RET _mpp_buffer_inc_ref(const char *tag, MppBuffer buffer);
MPP_RET _mpp_buffer_group_get(const char *tag, MppBufferGroup *group, MppBufferType type);
MPP_RET _mpp_buffer_group_put(const char *tag, MppBufferGroup *group);
#ifdef __cplusplus
}
#endif