1 /* 2 * Copyright (C) 2007 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 /** 18 * @file drm_decoder.h 19 * 20 * provide service to decode base64 data. 21 * 22 * <!-- #interface list begin --> 23 * \section drm decoder interface 24 * - drm_decodeBase64() 25 * <!-- #interface list end --> 26 */ 27 28 #ifndef __DRM_DECODER_H__ 29 #define __DRM_DECODER_H__ 30 31 #ifdef __cplusplus 32 extern "C" { 33 #endif 34 35 #include <drm_common_types.h> 36 37 /** 38 * Decode base64 39 * \param dest dest buffer to save decode base64 data 40 * \param destLen dest buffer length 41 * \param src source data to be decoded 42 * \param srcLen source buffer length, and when return, give out how many bytes has been decoded 43 * \return 44 * -when success, return a positive integer of dest buffer length, 45 * if input dest buffer is NULL or destLen is 0, 46 * return dest buffer length that user should allocate to save decoding data 47 * -when failed, return -1 48 */ 49 int32_t drm_decodeBase64(uint8_t * dest, int32_t destLen, uint8_t * src, int32_t * srcLen); 50 51 #ifdef __cplusplus 52 } 53 #endif 54 55 #endif /* __DRM_DECODER_H__ */ 56