117     m_Cipher = new AP4_CtrStreamCipher(block_cipher, iv_length);  in AP4_IsmaCipher()
125     delete m_Cipher;  in ~AP4_IsmaCipher()
206                 m_Cipher->SetIV(iv);  in DecryptSampleData()
209                 m_Cipher->ProcessBuffer(zero, 16, zero_enc);  in DecryptSampleData()
223                 m_Cipher->SetIV(iv);  in DecryptSampleData()
224                 m_Cipher->ProcessBuffer(in, payload_size, out);  in DecryptSampleData()
254     m_Cipher->SetIV(iv);  in EncryptSampleData()
256     m_Cipher->ProcessBuffer(in, data_size, out+8);  in EncryptSampleData()
300 	m_Cipher(cipher),  in AP4_IsmaTrackDecrypter()
311     delete m_Cipher;  in ~AP4_IsmaTrackDecrypter()
320     return m_Cipher->GetDecryptedSampleSize(sample);  in GetProcessedSampleSize()
341     return m_Cipher->DecryptSampleData(0, data_in, data_out);  in ProcessSample()
366     AP4_IsmaCipher*  m_Cipher;  member in AP4_IsmaTrackEncrypter
388     m_Cipher = new AP4_IsmaCipher(block_cipher, salt, 8, 0, false);  in AP4_IsmaTrackEncrypter()
396     delete m_Cipher;  in ~AP4_IsmaTrackEncrypter()
422     AP4_IsfmAtom*      isfm = new AP4_IsfmAtom(m_Cipher->GetSelectiveEncryption(),   in ProcessTrack()
423                                                m_Cipher->GetKeyIndicatorLength(),   in ProcessTrack()
424                                                m_Cipher->GetIvLength());  in ProcessTrack()
425     AP4_IsltAtom*      islt = new AP4_IsltAtom(m_Cipher->GetSalt());  in ProcessTrack()
455     AP4_Result result = m_Cipher->EncryptSampleData(data_in, data_out, m_BlockCounter);  in ProcessSample()