ClearKeySession Class Reference

Open CDM DRM session. More...

#include <ClearKeyDrmSession.h>

Inheritance diagram for ClearKeySession:

Collaboration diagram for ClearKeySession:

Public Member Functions
	ClearKeySession (AampLogManager *logObj)
	ClearKeySession Constructor.
	~ClearKeySession ()
	ClearKeySession Destructor.
	ClearKeySession (const ClearKeySession &)=delete
	Copy constructor disabled. More...
ClearKeySession &	operator= (const ClearKeySession &)=delete
	assignment operator disabled More...
void	generateAampDRMSession (const uint8_t *f_pbInitData, uint32_t f_cbInitData, std::string &customData)
	Create drm session with given init data state will be KEY_INIT on success KEY_ERROR if failed. More...
DrmData *	aampGenerateKeyRequest (string &destinationURL, uint32_t timeout)
	Generate key request from DRM session Caller function should free the returned memory. More...
int	aampDRMProcessKey (DrmData *key, uint32_t timeout)
	Updates the received key to DRM session. More...
void	setKeyId (const char *keyId, int32_t keyIDLen)
	SetKid for this session. More...
int	decrypt (const uint8_t *f_pbIV, uint32_t f_cbIV, const uint8_t *payloadData, uint32_t payloadDataSize, uint8_t **ppOpaqueData)
	Function to decrypt stream buffer.
int	decrypt (GstBuffer *keyIDBuffer, GstBuffer *ivBuffer, GstBuffer *buffer, unsigned subSampleCount, GstBuffer *subSamplesBuffer, GstCaps *caps)
	Function to decrypt stream.
KeyState	getState ()
	Get the current state of DRM Session. More...
void	clearDecryptContext ()
	Clear the current session context So that new init data can be bound.
Public Member Functions inherited from AampDrmSession
virtual bool	waitForState (KeyState state, const uint32_t timeout)
	Waits for the current state of DRM Session to match required.. Timeout is that from the helper. Only used by OCDM Adapter for now. More...
	AampDrmSession (AampLogManager *logObj, const string &keySystem)
	Constructor for AampDrmSession.
	AampDrmSession (const AampDrmSession &)=delete
	Copy constructor disabled. More...
AampDrmSession &	operator= (const AampDrmSession &)=delete
	assignment operator disabled More...
virtual	~AampDrmSession ()
	Destructor for AampDrmSession..
string	getKeySystem ()
	Get the DRM System, ie, UUID for PlayReady WideVine etc.. More...
void	setOutputProtection (bool bValue)
	Set the OutputProtection for DRM Session. More...

Private Member Functions
void	initAampDRMSession ()
	Initialize CK DRM session, Initializes EVP context.

Private Attributes
pthread_mutex_t	decryptMutex
KeyState	m_eKeyState
string	m_sessionID
unsigned char *	m_keyStr
size_t	m_keyLen
unsigned char *	m_keyId
size_t	m_keyIdLen
EVP_CIPHER_CTX	mOpensslCtx

Additional Inherited Members
Data Fields inherited from AampDrmSession
AampLogManager *	mLogObj
Protected Attributes inherited from AampDrmSession
std::string	m_keySystem
bool	m_OutputProtectionEnabled

yes

Open CDM DRM session.

Definition at line 42 of file ClearKeyDrmSession.h.

Constructor & Destructor Documentation

ClearKeySession()

ClearKeySession::ClearKeySession ( const ClearKeySession &  )

delete

Copy constructor disabled.

Member Function Documentation

operator=()

ClearKeySession& ClearKeySession::operator= ( const ClearKeySession &  )

delete

assignment operator disabled

generateAampDRMSession()

ClearKeySession::generateAampDRMSession ( const uint8_t *  f_pbInitData, uint32_t  f_cbInitData, std::string &  customData  )

virtual

Create drm session with given init data state will be KEY_INIT on success KEY_ERROR if failed.

Parameters

f_pbInitData	pointer to initdata
f_cbInitData	init data size

Implements AampDrmSession.

Definition at line 137 of file ClearKeyDrmSession.cpp.

aampGenerateKeyRequest()

ClearKeySession::aampGenerateKeyRequest ( string &  destinationURL, uint32_t  timeout  )

virtual

Generate key request from DRM session Caller function should free the returned memory.

Parameters

destinationURL	: gets updated with license server url
timeout	max timeout untill which to wait for cdm key generation.

Return values

Pointer

to DrmData containing license request, NULL if failure.

Implements AampDrmSession.

Definition at line 206 of file ClearKeyDrmSession.cpp.

aampDRMProcessKey()

ClearKeySession::aampDRMProcessKey ( DrmData *  key, uint32_t  timeout  )

virtual

Updates the received key to DRM session.

Parameters

key	: License key from license server.
timeout	max timeout untill which to wait for cdm processing.

Return values

DRM_SUCCESS(1)

if no errors encountered

Implements AampDrmSession.

Definition at line 248 of file ClearKeyDrmSession.cpp.

setKeyId()

ClearKeySession::setKeyId	(	const char *	keyId,
		int32_t	keyIDLen
	)

SetKid for this session.

Parameters

keyId	Clear key ID
keyIDLen	key length

Definition at line 86 of file ClearKeyDrmSession.cpp.

getState()

ClearKeySession::getState ( )

virtual

Get the current state of DRM Session.

Return values

KeyState

Implements AampDrmSession.

Definition at line 595 of file ClearKeyDrmSession.cpp.

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The documentation for this class was generated from the following files:

• components/generic/aamp/drm/ClearKeyDrmSession.h
• components/generic/aamp/drm/ClearKeyDrmSession.cpp