AampDRMutils.h File Reference

Context-free common utility functions. More...

#include <stdio.h>
#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include <sstream>
#include "AampDrmMediaFormat.h"
#include "AampDrmData.h"
#include "AampDrmInfo.h"
#include "AampDrmSystems.h"
#include "AampUtils.h"

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Macros
#define	DRM_API_SUCCESS   (0)
	Macros to track the value of API success or failure.
#define	DRM_API_FAILED   (-1)
#define	DRM_METADATA_TAG_START   "<ckm:policy xmlns:ckm=\"urn:ccp:ckm\">"
	start and end tags for DRM policy
#define	DRM_METADATA_TAG_END   "</ckm:policy>"

Functions
void	aamp_ConvertEndianness (unsigned char *original, unsigned char *guidBytes)
	Convert endianness of 16 byte block. More...
unsigned char *	aamp_ExtractDataFromPssh (const char *psshData, int dataLength, const char *startStr, const char *endStr, int *len, const char *verStr)
std::string	aamp_ExtractWVContentMetadataFromPssh (const char *psshData, int dataLength)
	Extract WideVine content meta data from DRM Agnostic PSSH header. Might not work with WideVine PSSH header. More...
unsigned char *	aamp_ExtractKeyIdFromPssh (const char *psshData, int dataLength, int *len, DRMSystems drmSystem)

yes

Context-free common utility functions.

Data structures to help with DRM sessions.

Definition in file AampDRMutils.h.

Function Documentation

aamp_ConvertEndianness()

void aamp_ConvertEndianness	(	unsigned char *	original,
		unsigned char *	guidBytes
	)

Convert endianness of 16 byte block.

Parameters

[in]	original	- Pointer to source byte block.
[out]	guidBytes	- Pointer to destination byte block.

Returns

void.

Definition at line 134 of file AampDRMutils.cpp.

aamp_ExtractWVContentMetadataFromPssh()

std::string aamp_ExtractWVContentMetadataFromPssh	(	const char *	psshData,
		int	dataLength
	)

Extract WideVine content meta data from DRM Agnostic PSSH header. Might not work with WideVine PSSH header.

Definition at line 148 of file AampDRMutils.cpp.