Vanilla AES based DRM management. More...

#include <aamp_aes.h>

Inheritance diagram for AesDec:

Collaboration diagram for AesDec:

Public Member Functions
DrmReturn	SetMetaData (PrivateInstanceAAMP aamp, void metadata, int trackType, AampLogManager *logObj=NULL)
	Set DRM meta-data. Stub implementation. More...

DRMState	GetState ()
	GetState Function to get current DRM State. More...

void	AcquireKey (class PrivateInstanceAAMP aamp, void metadata, int trackType, AampLogManager *logObj=NULL)
	AcquireKey Function to acquire key . Stub implementation.

DrmReturn	SetDecryptInfo (PrivateInstanceAAMP aamp, const struct DrmInfo drmInfo, AampLogManager *logObj=NULL)
	Set information required for decryption. More...

DrmReturn	Decrypt (ProfilerBucketType bucketType, void *encryptedDataPtr, size_t encryptedDataLen, int timeInMs)
	Decrypts an encrypted buffer. More...

void	Release ()
	Release drm session.

void	CancelKeyWait ()
	Cancel timed_wait operation drm_Decrypt. More...

void	RestoreKeyState ()
	Restore key state post cleanup of audio/video TrackState in case DRM data is persisted.

void	AcquireKey ()
	Acquire drm key from URI. More...

void	SignalKeyAcquired ()
	Signal key acquired event.

void	NotifyDRMError (AAMPTuneFailure drmFailure)
	Notify drm error. More...

void	SignalDrmError ()
	Signal drm error.

void	WaitForKeyAcquireCompleteUnlocked (int timeInMs, DrmReturn &err)
	Wait for key acquisition completion. More...

	AesDec ()
	AesDec Constructor. More...

	~AesDec ()
	AesDec Destructor.

	AesDec (const AesDec &)=delete

AesDec &	operator= (const AesDec &)=delete

Public Member Functions inherited from HlsDrmBase
virtual	~HlsDrmBase ()
	HlsDrmBase Destructor.

Static Public Member Functions
static std::shared_ptr< AesDec >	GetInstance ()
	Get singleton instance.

Private Attributes
PrivateInstanceAAMP *	mpAamp

pthread_cond_t	mCond

pthread_mutex_t	mMutex

EVP_CIPHER_CTX	mOpensslCtx

DrmInfo	mDrmInfo

GrowableBuffer	mAesKeyBuf

DRMState	mDrmState

DRMState	mPrevDrmState

std::string	mDrmUrl

int	mCurlInstance

int	mAcquireKeyWaitTime

pthread_t	licenseAcquisitionThreadId

bool	licenseAcquisitionThreadStarted

Static Private Attributes
static std::shared_ptr< AesDec >	mInstance = nullptr

yes

Vanilla AES based DRM management.

Definition at line 37 of file aamp_aes.h.

Constructor & Destructor Documentation

◆ AesDec()

AesDec::AesDec ( )

AesDec Constructor.

Definition at line 422 of file aamp_aes.cpp.

Member Function Documentation

◆ SetMetaData()

AesDec::SetMetaData	(	PrivateInstanceAAMP *	aamp,
		void *	metadata,
		int	trackType,
		AampLogManager *	mLogObj = `NULL`
	)

virtual

Set DRM meta-data. Stub implementation.

Parameters

aamp	AAMP instance to be associated with this decryptor
metadata	- Ignored

Return values

eDRM_SUCCESS

Implements HlsDrmBase.

Definition at line 164 of file aamp_aes.cpp.

◆ GetState()

AesDec::GetState ( )

virtual

GetState Function to get current DRM State.

Return values

DRMState

Implements HlsDrmBase.

Definition at line 181 of file aamp_aes.cpp.

◆ SetDecryptInfo()

AesDec::SetDecryptInfo	(	PrivateInstanceAAMP *	aamp,
		const struct DrmInfo *	drmInfo,
		AampLogManager *	mLogObj = `NULL`
	)

virtual

Set information required for decryption.

Parameters

aamp	AAMP instance to be associated with this decryptor
drmInfo	Drm information

Return values

eDRM_SUCCESS on success

Implements HlsDrmBase.

Definition at line 190 of file aamp_aes.cpp.

◆ Decrypt()

AesDec::Decrypt	(	ProfilerBucketType	bucketType,
		void *	encryptedDataPtr,
		size_t	encryptedDataLen,
		int	timeInMs
	)

virtual

Decrypts an encrypted buffer.

Parameters

bucketType	Type of bucket for profiling
encryptedDataPtr	pointer to encyrpted payload
encryptedDataLen	length in bytes of data pointed to by encryptedDataPtr
timeInMs	wait time

Implements HlsDrmBase.

Definition at line 271 of file aamp_aes.cpp.

◆ CancelKeyWait()

AesDec::CancelKeyWait ( )

virtual

Cancel timed_wait operation drm_Decrypt.

Implements HlsDrmBase.

Definition at line 373 of file aamp_aes.cpp.

◆ AcquireKey()

AesDec::AcquireKey ( )

Acquire drm key from URI.

Parameters

[in]	aamp	AAMP instance to be associated with this decryptor
[in]	metadata	Ignored

Return values

None

Definition at line 107 of file aamp_aes.cpp.

◆ NotifyDRMError()

AesDec::NotifyDRMError ( AAMPTuneFailure drmFailure )

Notify drm error.

Parameters

drmFailure drm error type

Definition at line 59 of file aamp_aes.cpp.

◆ WaitForKeyAcquireCompleteUnlocked()

AesDec::WaitForKeyAcquireCompleteUnlocked	(	int	timeInMs,
		DrmReturn &	err
	)

Wait for key acquisition completion.

Parameters

[in]	timeInMs	timeout
[out]	err	error on failure

Definition at line 255 of file aamp_aes.cpp.

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

components/generic/aamp/drm/aes/aamp_aes.h
components/generic/aamp/drm/aes/aamp_aes.cpp

Public Member Functions

Static Public Member Functions

Private Attributes

Static Private Attributes

yes

Constructor & Destructor Documentation

◆ AesDec()

Member Function Documentation

◆ SetMetaData()

◆ GetState()

◆ SetDecryptInfo()

◆ Decrypt()

◆ CancelKeyWait()

◆ AcquireKey()

◆ NotifyDRMError()

◆ WaitForKeyAcquireCompleteUnlocked()