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libhardware/camera.h: camera HAL memory management updates

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-- add a callback to camera_memory_t that can be used to free the requested
   memory
-- memory requests are in the form of N buffers S bytes each
-- data callbacks pass an index to a buffer in addition to the camera_memory
   pointer

Change-Id: I368139809f25a662d8895f205e3b87fa5046a4b2
Signed-off-by: Iliyan Malchev <malchev@google.com>
This commit is contained in:
Iliyan Malchev 2011-06-06 16:39:06 -07:00
parent 57adb36c30
commit 24b325e614
1 changed files with 8 additions and 3 deletions
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11
include/hardware/camera.h
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@ -62,13 +62,18 @@ typedef struct camera_module {
int (*get_camera_info)(int camera_id, struct camera_info *info);
} camera_module_t;
struct camera_memory;
typedef void (*camera_release_memory)(struct camera_memory *mem);
typedef struct camera_memory {
void *data;
size_t size;
void *handle;
camera_release_memory release;
} camera_memory_t;
typedef camera_memory_t* (*camera_request_memory)(size_t size, void *user);
typedef camera_memory_t* (*camera_request_memory)(int fd, size_t buf_size, unsigned int num_bufs,
void *user);
typedef void (*camera_notify_callback)(int32_t msg_type,
int32_t ext1,
@ -76,12 +81,12 @@ typedef void (*camera_notify_callback)(int32_t msg_type,
void *user);
typedef void (*camera_data_callback)(int32_t msg_type,
const camera_memory_t *data,
const camera_memory_t *data, unsigned int index,
void *user);
typedef void (*camera_data_timestamp_callback)(int64_t timestamp,
int32_t msg_type,
const camera_memory_t *data,
const camera_memory_t *data, unsigned int index,
void *user);
#define HAL_CAMERA_PREVIEW_WINDOW_TAG 0xcafed00d