drm_sample.c File Reference

#include <gpac/internal/isomedia_dev.h>
#include <gpac/constants.h>

Include dependency graph for drm_sample.c:

Functions
GF_ISMASample *	gf_isom_ismacryp_new_sample ()
GF_EXPORT void	gf_isom_ismacryp_delete_sample (GF_ISMASample *samp)
GF_ISMASample *	gf_isom_ismacryp_sample_from_data (u8 *data, u32 dataLength, Bool use_selective_encryption, u8 KI_length, u8 IV_length)
static GF_ProtectionSchemeInfoBox *	isom_get_sinf_entry (GF_TrackBox *trak, u32 sampleDescriptionIndex, u32 scheme_type, GF_SampleEntryBox **out_sea)
GF_EXPORT GF_ISMASample *	gf_isom_get_ismacryp_sample (GF_ISOFile *the_file, u32 trackNumber, const GF_ISOSample *samp, u32 sampleDescriptionIndex)
GF_EXPORT u32	gf_isom_is_media_encrypted (GF_ISOFile *the_file, u32 trackNumber, u32 sampleDescriptionIndex)
GF_EXPORT Bool	gf_isom_is_ismacryp_media (GF_ISOFile *the_file, u32 trackNumber, u32 sampleDescriptionIndex)
GF_EXPORT Bool	gf_isom_is_omadrm_media (GF_ISOFile *the_file, u32 trackNumber, u32 sampleDescriptionIndex)
GF_EXPORT GF_Err	gf_isom_get_ismacryp_info (GF_ISOFile *the_file, u32 trackNumber, u32 sampleDescriptionIndex, u32 *outOriginalFormat, u32 *outSchemeType, u32 *outSchemeVersion, const char **outSchemeURI, const char **outKMS_URI, Bool *outSelectiveEncryption, u32 *outIVLength, u32 *outKeyIndicationLength)
GF_EXPORT GF_Err	gf_isom_get_omadrm_info (GF_ISOFile *the_file, u32 trackNumber, u32 sampleDescriptionIndex, u32 *outOriginalFormat, u32 *outSchemeType, u32 *outSchemeVersion, const char **outContentID, const char **outRightsIssuerURL, const char **outTextualHeaders, u32 *outTextualHeadersLen, u64 *outPlaintextLength, u32 *outEncryptionType, Bool *outSelectiveEncryption, u32 *outIVLength, u32 *outKeyIndicationLength)
GF_EXPORT GF_Err	gf_isom_change_ismacryp_protection (GF_ISOFile *the_file, u32 trackNumber, u32 sampleDescriptionIndex, char *scheme_uri, char *kms_uri)
static GF_Err	isom_set_protected_entry (GF_ISOFile *the_file, u32 trackNumber, u32 desc_index, u8 version, u32 flags, u32 scheme_type, u32 scheme_version, char *scheme_uri, Bool is_isma, GF_ProtectionSchemeInfoBox **out_sinf)
GF_EXPORT GF_Err	gf_isom_set_ismacryp_protection (GF_ISOFile *the_file, u32 trackNumber, u32 desc_index, u32 scheme_type, u32 scheme_version, char *scheme_uri, char *kms_URI, Bool selective_encryption, u32 KI_length, u32 IV_length)
GF_EXPORT GF_Err	gf_isom_set_oma_protection (GF_ISOFile *the_file, u32 trackNumber, u32 desc_index, char *contentID, char *kms_URI, u32 encryption_type, u64 plainTextLength, char *textual_headers, u32 textual_headers_len, Bool selective_encryption, u32 KI_length, u32 IV_length)
GF_EXPORT GF_Err	gf_isom_set_generic_protection (GF_ISOFile *the_file, u32 trackNumber, u32 desc_index, u32 scheme_type, u32 scheme_version, char *scheme_uri, char *kms_URI)
GF_EXPORT GF_Err	gf_isom_get_original_format_type (GF_ISOFile *the_file, u32 trackNumber, u32 sampleDescriptionIndex, u32 *outOriginalFormat)
GF_EXPORT Bool	gf_isom_is_cenc_media (GF_ISOFile *the_file, u32 trackNumber, u32 sampleDescriptionIndex)
GF_EXPORT GF_Err	gf_isom_get_cenc_info (GF_ISOFile *the_file, u32 trackNumber, u32 sampleDescriptionIndex, u32 *outOriginalFormat, u32 *outSchemeType, u32 *outSchemeVersion)
GF_EXPORT GF_Err	gf_isom_set_cenc_protection (GF_ISOFile *the_file, u32 trackNumber, u32 desc_index, u32 scheme_type, u32 scheme_version, u32 default_IsEncrypted, u32 default_crypt_byte_block, u32 default_skip_byte_block, u8 *key_info, u32 key_info_size)
GF_EXPORT GF_Err	gf_isom_cenc_set_pssh (GF_ISOFile *file, bin128 systemID, u32 version, u32 KID_count, bin128 *KIDs, u8 *data, u32 len, u32 pssh_mode)
GF_EXPORT GF_Err	gf_isom_remove_cenc_senc_box (GF_ISOFile *the_file, u32 trackNumber)
GF_EXPORT GF_Err	gf_isom_remove_cenc_seig_sample_group (GF_ISOFile *the_file, u32 trackNumber)
GF_SampleEncryptionBox *	gf_isom_create_piff_psec_box (u8 version, u32 flags, u32 AlgorithmID, u8 IV_size, bin128 KID)
GF_SampleEncryptionBox *	gf_isom_create_samp_enc_box (u8 version, u32 flags)
GF_EXPORT GF_Err	gf_isom_cenc_allocate_storage (GF_ISOFile *the_file, u32 trackNumber)
GF_EXPORT GF_Err	gf_isom_piff_allocate_storage (GF_ISOFile *the_file, u32 trackNumber, u32 AlgorithmID, u8 IV_size, bin128 KID)
void	gf_isom_cenc_set_saiz_saio (GF_SampleEncryptionBox *senc, GF_SampleTableBox *stbl, GF_TrackFragmentBox *traf, u32 len, Bool saio_32bits, Bool use_multikey)
GF_Err	gf_isom_cenc_merge_saiz_saio (GF_SampleEncryptionBox *senc, GF_SampleTableBox *stbl, u32 sample_number, u64 offset, u32 len)
GF_EXPORT GF_Err	gf_isom_track_cenc_add_sample_info (GF_ISOFile *the_file, u32 trackNumber, u32 container_type, u8 *buf, u32 len, Bool use_subsamples, Bool use_saio_32bit, Bool use_multikey)
GF_EXPORT void	gf_isom_cenc_samp_aux_info_del (GF_CENCSampleAuxInfo *samp)
Bool	gf_isom_cenc_has_saiz_saio_full (GF_SampleTableBox *stbl, void *_traf, u32 scheme_type)
Bool	gf_isom_cenc_has_saiz_saio_track (GF_SampleTableBox *stbl, u32 scheme_type)
Bool	gf_isom_cenc_has_saiz_saio_traf (GF_TrackFragmentBox *traf, u32 scheme_type)
static GF_Err	isom_cenc_get_sai_by_saiz_saio (GF_MediaBox *mdia, u32 sampleNumber, u32 scheme_type, u8 **out_buffer, u32 *out_size)
GF_EXPORT GF_Err	gf_isom_cenc_get_sample_aux_info (GF_ISOFile *the_file, u32 trackNumber, u32 sampleNumber, u32 sampleDescIndex, u32 *container_type, u8 **out_buffer, u32 *outSize)
void	gf_isom_cenc_get_default_info_internal (GF_TrackBox *trak, u32 sampleDescriptionIndex, u32 *container_type, Bool *default_IsEncrypted, u32 *crypt_byte_block, u32 *skip_byte_block, const u8 **key_info, u32 *key_info_size)
GF_EXPORT GF_Err	gf_isom_cenc_get_default_info (GF_ISOFile *the_file, u32 trackNumber, u32 sampleDescriptionIndex, u32 *container_type, Bool *default_IsEncrypted, u32 *crypt_byte_block, u32 *skip_byte_block, const u8 **key_info, u32 *key_info_size)
GF_EXPORT GF_Err	gf_isom_set_adobe_protection (GF_ISOFile *the_file, u32 trackNumber, u32 desc_index, u32 scheme_type, u32 scheme_version, Bool is_selective_enc, char *metadata, u32 len)
GF_EXPORT Bool	gf_isom_is_adobe_protection_media (GF_ISOFile *the_file, u32 trackNumber, u32 sampleDescriptionIndex)
GF_EXPORT GF_Err	gf_isom_get_adobe_protection_info (GF_ISOFile *the_file, u32 trackNumber, u32 sampleDescriptionIndex, u32 *outOriginalFormat, u32 *outSchemeType, u32 *outSchemeVersion, const char **outMetadata)
GF_EXPORT Bool	gf_cenc_validate_key_info (const u8 *key_info, u32 key_info_size)
	validate a CENC key info chunk

Function Documentation

isom_get_sinf_entry()

static GF_ProtectionSchemeInfoBox * isom_get_sinf_entry ( GF_TrackBox *  trak, u32  sampleDescriptionIndex, u32  scheme_type, GF_SampleEntryBox **  out_sea  )

static

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isom_set_protected_entry()

static GF_Err isom_set_protected_entry ( GF_ISOFile *  the_file, u32  trackNumber, u32  desc_index, u8  version, u32  flags, u32  scheme_type, u32  scheme_version, char *  scheme_uri, Bool  is_isma, GF_ProtectionSchemeInfoBox **  out_sinf  )

static

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gf_isom_create_piff_psec_box()

GF_SampleEncryptionBox * gf_isom_create_piff_psec_box	(	u8	version,
		u32	flags,
		u32	AlgorithmID,
		u8	IV_size,
		bin128	KID
	)

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gf_isom_create_samp_enc_box()

GF_SampleEncryptionBox * gf_isom_create_samp_enc_box	(	u8	version,
		u32	flags
	)

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gf_isom_cenc_set_saiz_saio()

void gf_isom_cenc_set_saiz_saio	(	GF_SampleEncryptionBox *	senc,
		GF_SampleTableBox *	stbl,
		GF_TrackFragmentBox *	traf,
		u32	len,
		Bool	saio_32bits,
		Bool	use_multikey
	)

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gf_isom_cenc_merge_saiz_saio()

GF_Err gf_isom_cenc_merge_saiz_saio	(	GF_SampleEncryptionBox *	senc,
		GF_SampleTableBox *	stbl,
		u32	sample_number,
		u64	offset,
		u32	len
	)

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gf_isom_cenc_samp_aux_info_del()

GF_EXPORT void gf_isom_cenc_samp_aux_info_del

(

GF_CENCSampleAuxInfo *

samp_aux_info

)

destroys a CENC sample auxiliary structure

Parameters

samp_aux_info

the target auxiliary buffer

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gf_isom_cenc_has_saiz_saio_full()

Bool gf_isom_cenc_has_saiz_saio_full	(	GF_SampleTableBox *	stbl,
		void *	_traf,
		u32	scheme_type
	)

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gf_isom_cenc_has_saiz_saio_track()

Bool gf_isom_cenc_has_saiz_saio_track	(	GF_SampleTableBox *	stbl,
		u32	scheme_type
	)

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gf_isom_cenc_has_saiz_saio_traf()

Bool gf_isom_cenc_has_saiz_saio_traf	(	GF_TrackFragmentBox *	traf,
		u32	scheme_type
	)

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isom_cenc_get_sai_by_saiz_saio()

static GF_Err isom_cenc_get_sai_by_saiz_saio ( GF_MediaBox *  mdia, u32  sampleNumber, u32  scheme_type, u8 **  out_buffer, u32 *  out_size  )

static

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gf_isom_cenc_get_default_info_internal()

void gf_isom_cenc_get_default_info_internal	(	GF_TrackBox *	trak,
		u32	sampleDescriptionIndex,
		u32 *	container_type,
		Bool *	default_IsEncrypted,
		u32 *	crypt_byte_block,
		u32 *	skip_byte_block,
		const u8 **	key_info,
		u32 *	key_info_size
	)

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