DRM library
[Multimedia]

Detailed Description

APIs for DRM is for device only , not delivery with simulator in SDK.

Data Structures

struct _AlpDrmMetaInfo

Errors

#define ALP_DM_HEAD_ERROR   -2

#define ALP_DM_HEAD_INVALID   -1

#define ALP_DM_HEAD_NOT_READY   0

#define ALP_DM_HEAD_READY   1

#define ALP_DRM_STATUS_CANCELED_BY_USER   (ALP_CLASS_DRM | 0x000b0000)

Dialog closed by user.

#define ALP_DRM_STATUS_ERR_GENERIC   (ALP_CLASS_DRM | 0x000f0000)

Generic error.

#define ALP_DRM_STATUS_FILE_ACCESS_DENIED   (ALP_CLASS_DRM | 0x00050000)

File right error.

#define ALP_DRM_STATUS_FILE_NOT_FOUND   (ALP_CLASS_DRM | 0x00060000)

File not found.

#define ALP_DRM_STATUS_INVALID_PARAM   (ALP_CLASS_DRM | 0x00010000)

Parameter Invalid.

#define ALP_DRM_STATUS_MEMORY_ERROR   (ALP_CLASS_DRM | 0x00030000)

Memory leak.

#define ALP_DRM_STATUS_NO_ENOUGH_SPACE   (ALP_CLASS_DRM | 0x00070000)

No enough spaces.

#define ALP_DRM_STATUS_NO_RIGHTS_OBJECT   (ALP_CLASS_DRM | 0x00090000)

Right ro not found.

#define ALP_DRM_STATUS_OK   ALP_STATUS_OK

no Error

#define ALP_DRM_STATUS_RIGHTS_INVALID   (ALP_CLASS_DRM | 0x00080000)

Right invalid.

#define ALP_DRM_STATUS_RIGHTS_NOT_START   (ALP_CLASS_DRM | 0x000a0000)

Right invalid.

#define ALP_DRM_STATUS_TIME_OUT   (ALP_CLASS_DRM | 0x00020000)

Time waiting out.

#define ALP_DRM_STATUS_TYPE_MISMATCH   (ALP_CLASS_DRM | 0x00040000)

Type mismatch.

#define ALP_DRM_STATUS_VOLUMESVCS_DEVICE_BUSY   (ALP_CLASS_DRM | 0x000d0000)

Card not writable.

#define ALP_DRM_STATUS_VOLUMESVCS_NOT_FOUND   (ALP_CLASS_DRM | 0x000c0000)

Not found the extend card.

#define ALP_DRM_STATUS_VOLUMESVCS_PROVIDE_ERR   (ALP_CLASS_DRM | 0x000e0000)

Volume system fail.

DRM Meta Info Structs

typedef _AlpDrmMetaInfo AlpDrmMetaInfo

Meta data info struct.

DRM Operation Permission types

enum { AlpDrmPDOK = 0, AlpDrmPDFail, AlpDrmPDHeadNotReady, AlpDrmPDHeadReady }

DRM Meta Info marks

enum ALP_DRM_META_INFO_ENUM {
  ALP_DRM_META_INFO_CONTENT_ID = (1 << 0), ALP_DRM_META_INFO_CONTENT_VERSION = (1 << 1), ALP_DRM_META_INFO_CONTENT_TYPE = (1 << 2), ALP_DRM_META_INFO_TITLE = (1 << 3),
  ALP_DRM_META_INFO_DESCRIPTION = (1 << 4), ALP_DRM_META_INFO_CONTENT_VENDER = (1 << 5), ALP_DRM_META_INFO_ICON_URI = (1 << 6), ALP_DRM_META_INFO_DELIVERY_METHOD = (1 << 7),
  ALP_DRM_META_INFO_RIGHTS_ISSURER = (1 << 8), ALP_DRM_META_INFO_MASK = ~((~0) << 9)
}

DRM types of drms

enum AlpDrmDeliveryMethod { ALP_DRM_DELIVERY_FL, ALP_DRM_DELIVERY_CD, ALP_DRM_DELIVERY_SD }

DRM Operation Permission types

enum AlpDrmPermissionType {
  AlpDrmPermissionPlay, AlpDrmPermissionDisplay, AlpDrmPermissionExecute, AlpDrmPermissionPrint,
  AlpDrmPermissionNum
}

Typedefs

typedef _AlpDrmBuffer AlpDrmBuffer

Functions

alp_status_t alp_drm_add_content (const char *mimetype, const char *filename, const char *udi, gboolean keep, char **out_filename)

alp_status_t alp_drm_add_license (const char *mimetype, const char *filename)

void alp_drm_buffer_finalize (AlpDrmBuffer *drmbuffer)

int alp_drm_buffer_get_buffer (AlpDrmBuffer *drmbuffer, char *in_buffer, size_t in_buffer_len, char *out_buffer, size_t out_buffer_len, unsigned int is_end)

char * alp_drm_buffer_get_mime (AlpDrmBuffer *drmbuffer)

AlpDrmBuffer * alp_drm_buffer_initialize ()

alp_status_t alp_drm_check_rights_info (const char *filename, AlpDrmPermissionType permission_type, char **content_id, char **rights_issuer)

int alp_drm_fclose (FILE *fp)

int alp_drm_feof (FILE *fp)

int alp_drm_ferror (FILE *fp)

FILE * alp_drm_fopen_with_permission (const char *filename, const char *mode, AlpDrmPermissionType permission_type)

size_t alp_drm_fread (void *buf, size_t size, size_t count, FILE *fp)

void alp_drm_free_meta_data (AlpDrmMetaInfo *info)

int alp_drm_fseek (FILE *fp, long offset, int whence)

int alp_drm_ftell (FILE *fp)

alp_status_t alp_drm_get_constraints (const char *content_id, AlpDrmPermissionType permission_type, int *count, time_t *start_data_time, time_t *end_data_time, time_t *interval_start, time_t *interval_duration)

alp_status_t alp_drm_get_dm_info (const char *filename, char **mimetype)

const char * alp_drm_get_drm_path ()

alp_status_t alp_drm_get_file_constraints (const char *filename, AlpDrmPermissionType permission_type, int *count, time_t *start_data_time, time_t *end_data_time, time_t *interval_start, time_t *interval_duration)

alp_status_t alp_drm_get_meta_data (const char *filename, int flags, AlpDrmMetaInfo *info)

gboolean alp_drm_is_drm_file (const char *filename)

alp_status_t alp_drm_process_license_xml (const char *mimetype, const char *buffer, int size)

alp_status_t alp_drm_update_constraints (FILE *fp, const char *content_id, int count)

Define Documentation

#define ALP_DM_HEAD_ERROR -2

#define ALP_DM_HEAD_INVALID -1

#define ALP_DM_HEAD_NOT_READY 0

#define ALP_DM_HEAD_READY 1

#define ALP_DRM_STATUS_CANCELED_BY_USER (ALP_CLASS_DRM | 0x000b0000)

Dialog closed by user.

#define ALP_DRM_STATUS_ERR_GENERIC (ALP_CLASS_DRM | 0x000f0000)

Generic error.

#define ALP_DRM_STATUS_FILE_ACCESS_DENIED (ALP_CLASS_DRM | 0x00050000)

File right error.

#define ALP_DRM_STATUS_FILE_NOT_FOUND (ALP_CLASS_DRM | 0x00060000)

File not found.

#define ALP_DRM_STATUS_INVALID_PARAM (ALP_CLASS_DRM | 0x00010000)

Parameter Invalid.

#define ALP_DRM_STATUS_MEMORY_ERROR (ALP_CLASS_DRM | 0x00030000)

Memory leak.

#define ALP_DRM_STATUS_NO_ENOUGH_SPACE (ALP_CLASS_DRM | 0x00070000)

No enough spaces.

#define ALP_DRM_STATUS_NO_RIGHTS_OBJECT (ALP_CLASS_DRM | 0x00090000)

Right ro not found.

#define ALP_DRM_STATUS_OK ALP_STATUS_OK

no Error

#define ALP_DRM_STATUS_RIGHTS_INVALID (ALP_CLASS_DRM | 0x00080000)

Right invalid.

#define ALP_DRM_STATUS_RIGHTS_NOT_START (ALP_CLASS_DRM | 0x000a0000)

Right invalid.

#define ALP_DRM_STATUS_TIME_OUT (ALP_CLASS_DRM | 0x00020000)

Time waiting out.

#define ALP_DRM_STATUS_TYPE_MISMATCH (ALP_CLASS_DRM | 0x00040000)

Type mismatch.

#define ALP_DRM_STATUS_VOLUMESVCS_DEVICE_BUSY (ALP_CLASS_DRM | 0x000d0000)

Card not writable.

#define ALP_DRM_STATUS_VOLUMESVCS_NOT_FOUND (ALP_CLASS_DRM | 0x000c0000)

Not found the extend card.

#define ALP_DRM_STATUS_VOLUMESVCS_PROVIDE_ERR (ALP_CLASS_DRM | 0x000e0000)

Volume system fail.

Typedef Documentation

typedef struct _AlpDrmBuffer AlpDrmBuffer

typedef struct _AlpDrmMetaInfo AlpDrmMetaInfo

Meta data info struct.

Enumeration Type Documentation

anonymous enum

Enumerator:

AlpDrmPDOK

AlpDrmPDFail

AlpDrmPDHeadNotReady

AlpDrmPDHeadReady

enum ALP_DRM_META_INFO_ENUM

Enumerator:

ALP_DRM_META_INFO_CONTENT_ID Contend ID

ALP_DRM_META_INFO_CONTENT_VERSION Contend Version

ALP_DRM_META_INFO_CONTENT_TYPE Content Type , Origion MIME

ALP_DRM_META_INFO_TITLE Title

ALP_DRM_META_INFO_DESCRIPTION Description

ALP_DRM_META_INFO_CONTENT_VENDER Content Vender

ALP_DRM_META_INFO_ICON_URI Icon URI

ALP_DRM_META_INFO_DELIVERY_METHOD Delivery Type

ALP_DRM_META_INFO_RIGHTS_ISSURER Right Issuer

ALP_DRM_META_INFO_MASK Mask

enum AlpDrmDeliveryMethod

Enumerator:

ALP_DRM_DELIVERY_FL Forward Lock type.

ALP_DRM_DELIVERY_CD Combined Delivery type.

ALP_DRM_DELIVERY_SD Separate Delivery type.

enum AlpDrmPermissionType

Enumerator:

AlpDrmPermissionPlay Play Permession.

AlpDrmPermissionDisplay Display Permession.

AlpDrmPermissionExecute Excute Permession.

AlpDrmPermissionPrint Print Permession.

AlpDrmPermissionNum Numbers of permission type.

Function Documentation

alp_status_t alp_drm_add_content ( const char * mimetype,

const char * filename,

const char * udi,

gboolean keep,

char ** out_filename

)

Adds a file to the device or card This function encrypts a DRM resource file (usually a DRM file) into a DCFfile
Parameters:

[in] mimetype The MIME type of the file

[in] filename The URI of the temp file

[in] udi Indicates the method for installing the *.dm file; NULL: stores the file on the device; otherwise, declares the UDI of the extendcard.

[in] keep Either keeps or deletes the temp file; -1 is used for a progressive download only (does not install the RO if it is a CD file)

[out] out_filename The URI of the file after saving

Returns:
ALP_DRM_STATUS_OK - success
ALP_DRM_STATUS_VOLUMESVCS_NOT_FOUND The card is not found
ALP_DRM_STATUS_VOLUMESVCS_DEVICE_BUSY the card is busy now
ALP_DRM_STATUS_VOLUMESVCS_PROVIDE_ERR the card is not available

alp_status_t alp_drm_add_license ( const char * mimetype,

const char * filename

)

Adds a license (RO) for a specific type of DRM file.
Parameters:

[in] mimetype The MIME of the drm file, which is usually application/vnd.oma.drm.right+(wbx)xml

[in] filename The filename of the right file (RO).

Returns:
ALP_DRM_STATUS_OK - success

void alp_drm_buffer_finalize ( AlpDrmBuffer * drmbuffer )

Finalizes the context for the DRM buffer stream.
Parameters:

[in] drmbuffer The context returned by alp_drm_buffer_initialize.

int alp_drm_buffer_get_buffer ( AlpDrmBuffer * drmbuffer,

char * in_buffer,

size_t in_buffer_len,

char * out_buffer,

size_t out_buffer_len,

unsigned int is_end

)

Retrieves the original data from the DRM content stream.
Parameters:

[in] drmbuffer The context returned by alp_drm_buffer_initialize.

[in] in_buffer The DRM content that must be parsed in order to retrieve the original data.

[in] in_buffer_len The size of in_buffer

in/out] out_buffer The buffer used to save the parsed data

[in] out_buffer_len The size of out_buffer

[in] is_end Indicates whether or not this is the last data for the content.

Returns:
ALP_DM_HEAD_NOT_READY -The data for the content still not full
ALP_DM_HEAD_INVALID The data for the content in a wrong format
ALP_DM_HEAD_ERROR Meet system error for the data
number>ALP_DM_HEAD_READY(1): the head is ready and the original data is parsed.

char* alp_drm_buffer_get_mime ( AlpDrmBuffer * drmbuffer )

Retrieves the original MIME type from the context for the DRM content stream.
Parameters:

[in] drmbuffer The context returned by alp_drm_buffer_initialize

Returns:
string The original MIME type of the DRM content stream.

AlpDrmBuffer* alp_drm_buffer_initialize ( )

Initializes for the DRM buffer in the stream mode; this allows the application read the DRM content buffer by buffer.
Returns:
NULL - buffer initialize fail
alpDrmBuffer The context for next operation

alp_status_t alp_drm_check_rights_info ( const char * filename,

AlpDrmPermissionType permission_type,

char ** content_id,

char ** rights_issuer

)

Checks the rights information for a DRM file
Parameters:

[in] filename The file to be checked for the rights information

[in] permission_type The permission type to be checked; see AlpDrmPermissionType

[out] content_id The content_id for the file; can be NULL

[out] rights_issuer The URL of the holder of the rights for the file; can be NULL

Returns:
ALP_DRM_STATUS_OK - Success
ALP_DRM_STATUS_NO_RIGHTS_OBJECT - No rights object for the permission type required
ALP_DRM_STATUS_RIGHTS_INVALID - The rights object has expired or cannot be used at this time
ALP_DRM_STATUS_RIGHTS_NOT_START - The valid start date is in the future ALP_DRM_STATUS_INVALID_PARAM - There is a parameter error
ALP_DRM_STATUS_MEMORY_ERROR - There is a memory shortage problem

int alp_drm_fclose ( FILE * fp )

Closes a file opened by alp_drm_fopen_with_permission
Parameters:

[in] fp the file handle returned by alp_drm_fopen_with_permission

Returns:
0 - success

int alp_drm_feof ( FILE * fp )

Checks whether or not the current position has reached the end of a file
Parameters:

[in] fp the file handle returned by alp_drm_fopen_with_permission

Returns:
>0 - reach the end of the file

int alp_drm_ferror ( FILE * fp )

Checks the latest error information related to the specified file
Parameters:

[in] fp the file handle returned by alp_drm_fopen_with_permission

Returns:
0 - success

FILE* alp_drm_fopen_with_permission ( const char * filename,

const char * mode,

AlpDrmPermissionType permission_type

)

Opens a DRM file with operation permission
Parameters:

[in] filename The file to be opened

[in] mode In which mode to open the file; only "r" or "rb" is allowed

[in] permission_type With which operation permission to open the file

Returns:
the file handle of the open file.

size_t alp_drm_fread ( void * buf,

size_t size,

size_t count,

FILE * fp

)

Reads data from an opened DRM file and saves it to the specified buffer
Parameters:

[out] buf The buffer that is used to hold the data read from the file

[in] size The size of the data to be read as a unit [in] count The number of units to be read

[in] fp The file handle returned by alp_drm_fopen_with_permission

Returns:
the whole size of the read data

void alp_drm_free_meta_data ( AlpDrmMetaInfo * info )

Frees the structure of the information data that is required by alp_drm_get_meta_data.
Parameters:

[in] info the struct to hold the infomation

int alp_drm_fseek ( FILE * fp,

long offset,

int whence

)

Seeks the current position in a file
Parameters:

[in] fp The file handle returned by alp_drm_fopen_with_permission

[in] offset The characters to be moved

[in] whence The location to move the position from

Returns:
0 - success

int alp_drm_ftell ( FILE * fp )

Returns the position of a file handle.
Parameters:

[in] fp the file handle returned by alp_drm_fopen_with_permission

Returns:
Returns the position on a file handle

alp_status_t alp_drm_get_constraints ( const char * content_id,

AlpDrmPermissionType permission_type,

int * count,

time_t * start_data_time,

time_t * end_data_time,

time_t * interval_start,

time_t * interval_duration

)

Retrieves the file constraints upon a DRM file, as specified by the content ID
Parameters:

[in] content_id The content ID returned from alp_drm_check_rights_info

[in] permission_type The permission type to be checked; see AlpDrmPermissionType

[out] count The left number of times to use this file

[out] start_data_time A valid time to begin using this file

[out] end_data_time A valid time to stop using this file

[out] interval_start The first time that this file is used

[out] interval_duration A valid period of time for using this file, which begins with interval_start

Returns:
ALP_DRM_STATUS_OK - success

alp_status_t alp_drm_get_dm_info ( const char * filename,

char ** mimetype

)

Retrieves information from a DRM file. The function is used for progressive download only.
Parameters:

[in] filename The URI of the temp file.

[out] mimetype the file's MIME type.

Returns:
ALP_DM_HEAD_READY - success
ALP_DM_HEAD_NOT_READY head not ready ,still need more content
ALP_DM_HEAD_NOT_INVALIE No right or header in a wrong format

const char* alp_drm_get_drm_path ( )

Retrieves the directory where the DRM files are stored; this is usually "/home/drm/" on the device.
Returns:
strings, the directory where the DRM files reside

alp_status_t alp_drm_get_file_constraints ( const char * filename,

AlpDrmPermissionType permission_type,

int * count,

time_t * start_data_time,

time_t * end_data_time,

time_t * interval_start,

time_t * interval_duration

)

Retrieves the file constraints upon a DRM file
Parameters:

[in] filename The file to be checked for permission

[in] permission_type The field of the permission type to be retrieved; see AlpDrmPermissionType

[out] count The number of times left for using this file

[out] start_data_time Valid begin time

[out] end_data_time Valid end time

[out] interval_start The first time to use this file

[out] interval_duration The length of valid period begins from the interval_start

Returns:
ALP_DRM_STATUS_OK - success

alp_status_t alp_drm_get_meta_data ( const char * filename,

int flags,

AlpDrmMetaInfo * info

)

Retrieves information about a DRM file
Parameters:

[in] filename The name of the file from which information is to be retrieved

[in] flags The field of the information to be retrieved; see ALP_DRM_META_INFO_ENUM

[in] info The structure in which to hold the information

Returns:
ALP_DRM_STATUS_OK - success

gboolean alp_drm_is_drm_file ( const char * filename )

Determines whether or not the file is a DRM file.
Parameters:

[in] filename The file to be determined.

Returns:
TRUE - The file is a DRM-protected file in DCF format
FALSE - Not a drm file

alp_status_t alp_drm_process_license_xml ( const char * mimetype,

const char * buffer,

int size

)

Adds a license (RO) for a specific type of data buffer
Parameters:

[in] mimetype The MIME of the drm file which is usually application/vnd.oma.drm.right+(wbx)xml

[in] buffer The content of the file (RO).

[in] size The size of the buffer.

Returns:
ALP_DRM_STATUS_OK - success

alp_status_t alp_drm_update_constraints ( FILE * fp,

const char * content_id,

int count

)

Updates the constraints upon a file This function should be called directly after the user has either begun or finished one of these valid actions: play/display/print/execute. For example, Audio/Video should call this API when the user clicks the "Play" button and sees video content on the screen. This API should be called as early as possible.
Parameters:

[in] fp The file handle returned by alp_drm_fopen_with_permission

[in] content_id The content ID for the file

[in] count The number of times that the user has played the file; usually 1 for this parameter

Returns:
ALP_DRM_STATUS_OK - success

Generated on Wed Jul 30 07:06:42 2008 by Doxygen 1.4.6 for ALP SDK + Hiker Documentation


Data Structures
struct	_AlpDrmMetaInfo
Errors
#define	ALP_DM_HEAD_ERROR -2
#define	ALP_DM_HEAD_INVALID -1
#define	ALP_DM_HEAD_NOT_READY 0
#define	ALP_DM_HEAD_READY 1
#define	ALP_DRM_STATUS_CANCELED_BY_USER (ALP_CLASS_DRM \| 0x000b0000)
	Dialog closed by user.
#define	ALP_DRM_STATUS_ERR_GENERIC (ALP_CLASS_DRM \| 0x000f0000)
	Generic error.
#define	ALP_DRM_STATUS_FILE_ACCESS_DENIED (ALP_CLASS_DRM \| 0x00050000)
	File right error.
#define	ALP_DRM_STATUS_FILE_NOT_FOUND (ALP_CLASS_DRM \| 0x00060000)
	File not found.
#define	ALP_DRM_STATUS_INVALID_PARAM (ALP_CLASS_DRM \| 0x00010000)
	Parameter Invalid.
#define	ALP_DRM_STATUS_MEMORY_ERROR (ALP_CLASS_DRM \| 0x00030000)
	Memory leak.
#define	ALP_DRM_STATUS_NO_ENOUGH_SPACE (ALP_CLASS_DRM \| 0x00070000)
	No enough spaces.
#define	ALP_DRM_STATUS_NO_RIGHTS_OBJECT (ALP_CLASS_DRM \| 0x00090000)
	Right ro not found.
#define	ALP_DRM_STATUS_OK ALP_STATUS_OK
	no Error
#define	ALP_DRM_STATUS_RIGHTS_INVALID (ALP_CLASS_DRM \| 0x00080000)
	Right invalid.
#define	ALP_DRM_STATUS_RIGHTS_NOT_START (ALP_CLASS_DRM \| 0x000a0000)
	Right invalid.
#define	ALP_DRM_STATUS_TIME_OUT (ALP_CLASS_DRM \| 0x00020000)
	Time waiting out.
#define	ALP_DRM_STATUS_TYPE_MISMATCH (ALP_CLASS_DRM \| 0x00040000)
	Type mismatch.
#define	ALP_DRM_STATUS_VOLUMESVCS_DEVICE_BUSY (ALP_CLASS_DRM \| 0x000d0000)
	Card not writable.
#define	ALP_DRM_STATUS_VOLUMESVCS_NOT_FOUND (ALP_CLASS_DRM \| 0x000c0000)
	Not found the extend card.
#define	ALP_DRM_STATUS_VOLUMESVCS_PROVIDE_ERR (ALP_CLASS_DRM \| 0x000e0000)
	Volume system fail.
DRM Meta Info Structs
typedef _AlpDrmMetaInfo	AlpDrmMetaInfo
	Meta data info struct.
DRM Operation Permission types
enum	{ AlpDrmPDOK = 0, AlpDrmPDFail, AlpDrmPDHeadNotReady, AlpDrmPDHeadReady }
DRM Meta Info marks
enum	ALP_DRM_META_INFO_ENUM { ALP_DRM_META_INFO_CONTENT_ID = (1 << 0), ALP_DRM_META_INFO_CONTENT_VERSION = (1 << 1), ALP_DRM_META_INFO_CONTENT_TYPE = (1 << 2), ALP_DRM_META_INFO_TITLE = (1 << 3), ALP_DRM_META_INFO_DESCRIPTION = (1 << 4), ALP_DRM_META_INFO_CONTENT_VENDER = (1 << 5), ALP_DRM_META_INFO_ICON_URI = (1 << 6), ALP_DRM_META_INFO_DELIVERY_METHOD = (1 << 7), ALP_DRM_META_INFO_RIGHTS_ISSURER = (1 << 8), ALP_DRM_META_INFO_MASK = ~((~0) << 9) }
DRM types of drms
enum	AlpDrmDeliveryMethod { ALP_DRM_DELIVERY_FL, ALP_DRM_DELIVERY_CD, ALP_DRM_DELIVERY_SD }
DRM Operation Permission types
enum	AlpDrmPermissionType { AlpDrmPermissionPlay, AlpDrmPermissionDisplay, AlpDrmPermissionExecute, AlpDrmPermissionPrint, AlpDrmPermissionNum }
Typedefs
typedef _AlpDrmBuffer	AlpDrmBuffer
Functions
alp_status_t	alp_drm_add_content (const char mimetype, const char filename, const char udi, gboolean keep, char *out_filename)
alp_status_t	alp_drm_add_license (const char mimetype, const char filename)
void	alp_drm_buffer_finalize (AlpDrmBuffer *drmbuffer)
int	alp_drm_buffer_get_buffer (AlpDrmBuffer drmbuffer, char in_buffer, size_t in_buffer_len, char *out_buffer, size_t out_buffer_len, unsigned int is_end)
char *	alp_drm_buffer_get_mime (AlpDrmBuffer *drmbuffer)
AlpDrmBuffer *	alp_drm_buffer_initialize ()
alp_status_t	alp_drm_check_rights_info (const char filename, AlpDrmPermissionType permission_type, char content_id, char *rights_issuer)
int	alp_drm_fclose (FILE *fp)
int	alp_drm_feof (FILE *fp)
int	alp_drm_ferror (FILE *fp)
FILE *	alp_drm_fopen_with_permission (const char filename, const char mode, AlpDrmPermissionType permission_type)
size_t	alp_drm_fread (void buf, size_t size, size_t count, FILE fp)
void	alp_drm_free_meta_data (AlpDrmMetaInfo *info)
int	alp_drm_fseek (FILE *fp, long offset, int whence)
int	alp_drm_ftell (FILE *fp)
alp_status_t	alp_drm_get_constraints (const char content_id, AlpDrmPermissionType permission_type, int count, time_t start_data_time, time_t end_data_time, time_t interval_start, time_t interval_duration)
alp_status_t	alp_drm_get_dm_info (const char filename, char *mimetype)
const char *	alp_drm_get_drm_path ()
alp_status_t	alp_drm_get_file_constraints (const char filename, AlpDrmPermissionType permission_type, int count, time_t start_data_time, time_t end_data_time, time_t interval_start, time_t interval_duration)
alp_status_t	alp_drm_get_meta_data (const char filename, int flags, AlpDrmMetaInfo info)
gboolean	alp_drm_is_drm_file (const char *filename)
alp_status_t	alp_drm_process_license_xml (const char mimetype, const char buffer, int size)
alp_status_t	alp_drm_update_constraints (FILE fp, const char content_id, int count)

DRM library [Multimedia]

Detailed Description

Data Structures

Errors

DRM Meta Info Structs

DRM Operation Permission types

DRM Meta Info marks

DRM types of drms