My Project
mmal_vc_api_drm.h
Go to the documentation of this file.
1 /*
2 Copyright (c) 2012, Broadcom Europe Ltd
3 All rights reserved.
4 
5 Redistribution and use in source and binary forms, with or without
6 modification, are permitted provided that the following conditions are met:
7  * Redistributions of source code must retain the above copyright
8  notice, this list of conditions and the following disclaimer.
9  * Redistributions in binary form must reproduce the above copyright
10  notice, this list of conditions and the following disclaimer in the
11  documentation and/or other materials provided with the distribution.
12  * Neither the name of the copyright holder nor the
13  names of its contributors may be used to endorse or promote products
14  derived from this software without specific prior written permission.
15 
16 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
17 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY
20 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27 #ifndef MMAL_VC_API_DRM_H
28 #define MMAL_VC_API_DRM_H
29 
36 #ifdef __cplusplus
37 extern "C" {
38 #endif
39 
40 // Reads the current clock (in microseconds) into the "time" variable.
41 // Returns zero on success, nonszero on failure
42 int mmal_vc_drm_get_time(unsigned int * time);
43 
44 // Reads the local hardware secret into the "into" variable (needs to be 32 bytes of space for this)
45 // Returns 0 on success, nonzero on failure
46 // Usage:
47 // unsigned char buffer[32];
48 // success = mmal_vc_divx_drm_get_lhs(buffer);
49 int mmal_vc_drm_get_lhs32(unsigned char * into);
50 
51 
52 #ifdef __cplusplus
53 }
54 #endif
55 #endif
int mmal_vc_drm_get_lhs32(unsigned char *into)
int mmal_vc_drm_get_time(unsigned int *time)