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_Err e; GF_ProtectionInfoBox *sinf; //setup generic protection e = gf_isom_set_protected_entry(the_file, trackNumber, desc_index, 0, 0, scheme_type, scheme_version, NULL, GF_TRUE, &sinf); if (e) return e; if (scheme_uri) { sinf->scheme_type->flags |= 0x000001; sinf->scheme_type->URI = gf_strdup(scheme_uri); } sinf->info->ikms = (GF_ISMAKMSBox *)iKMS_New(); sinf->info->ikms->URI = gf_strdup(kms_URI); sinf->info->isfm = (GF_ISMASampleFormatBox *)iSFM_New(); sinf->info->isfm->selective_encryption = selective_encryption; sinf->info->isfm->key_indicator_length = KI_length; sinf->info->isfm->IV_length = IV_length; return GF_OK; }
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) { u32 original_format; GF_Err e; GF_SampleEntryBox *sea; GF_TrackBox *trak = gf_isom_get_track_from_file(the_file, trackNumber); if (!trak) return GF_BAD_PARAM; e = Media_GetSampleDesc(trak->Media, desc_index, &sea, NULL); if (e) return e; /* Replacing the Media Type */ switch (sea->type) { case GF_ISOM_BOX_TYPE_MP4A: case GF_ISOM_BOX_TYPE_DAMR: case GF_ISOM_BOX_TYPE_DEVC: case GF_ISOM_BOX_TYPE_DQCP: case GF_ISOM_BOX_TYPE_DSMV: original_format = sea->type; sea->type = GF_ISOM_BOX_TYPE_ENCA; break; case GF_ISOM_BOX_TYPE_MP4V: case GF_ISOM_BOX_TYPE_D263: original_format = sea->type; sea->type = GF_ISOM_BOX_TYPE_ENCV; break; /*special case for AVC1*/ case GF_ISOM_BOX_TYPE_AVC1: original_format = GF_4CC('2','6','4','b'); sea->type = GF_ISOM_BOX_TYPE_ENCV; break; case GF_ISOM_BOX_TYPE_MP4S: original_format = sea->type; sea->type = GF_ISOM_BOX_TYPE_ENCS; break; default: return GF_BAD_PARAM; } sea->protection_info = (GF_ProtectionInfoBox *)sinf_New(); sea->protection_info->scheme_type = (GF_SchemeTypeBox *)schm_New(); sea->protection_info->scheme_type->scheme_type = scheme_type; sea->protection_info->scheme_type->scheme_version = scheme_version; if (scheme_uri) { sea->protection_info->scheme_type->flags |= 0x000001; sea->protection_info->scheme_type->URI = strdup(scheme_uri); } sea->protection_info->original_format = (GF_OriginalFormatBox *)frma_New(); sea->protection_info->original_format->data_format = original_format; sea->protection_info->info = (GF_SchemeInformationBox *)schi_New(); sea->protection_info->info->ikms = (GF_ISMAKMSBox *)iKMS_New(); sea->protection_info->info->ikms->URI = strdup(kms_URI); sea->protection_info->info->isfm = (GF_ISMASampleFormatBox *)iSFM_New(); sea->protection_info->info->isfm->selective_encryption = selective_encryption; sea->protection_info->info->isfm->key_indicator_length = KI_length; sea->protection_info->info->isfm->IV_length = IV_length; return GF_OK; }