1 /*--------------------------------------------------------------------------
2 Copyright (c) 2013 - 2016, The Linux Foundation. All rights reserved.
3 
4 Redistribution and use in source and binary forms, with or without
5 modification, are permitted provided that the following conditions are met:
6     * Redistributions of source code must retain the above copyright
7       notice, this list of conditions and the following disclaimer.
8     * Redistributions in binary form must reproduce the above copyright
9       notice, this list of conditions and the following disclaimer in the
10       documentation and/or other materials provided with the distribution.
11     * Neither the name of The Linux Foundation nor
12       the names of its contributors may be used to endorse or promote
13       products derived from this software without specific prior written
14       permission.
15 
16 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19 NON-INFRINGEMENT ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
20 CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
21 EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
22 PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
23 OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
24 WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
25 OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
26 ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 --------------------------------------------------------------------------*/
28 
29 #ifndef __VIDC_DEBUG_H__
30 #define __VIDC_DEBUG_H__
31 
32 #ifdef _ANDROID_
33 #include <cstdio>
34 #include <pthread.h>
35 
36 enum {
37    PRIO_ERROR=0x1,
38    PRIO_INFO=0x1,
39    PRIO_HIGH=0x2,
40    PRIO_LOW=0x4
41 };
42 
43 extern int debug_level;
44 
45 #undef DEBUG_PRINT_ERROR
46 #define DEBUG_PRINT_ERROR(fmt, args...) ({ \
47       if (debug_level & PRIO_ERROR) \
48           ALOGE(fmt,##args); \
49       })
50 #undef DEBUG_PRINT_INFO
51 #define DEBUG_PRINT_INFO(fmt, args...) ({ \
52       if (debug_level & PRIO_INFO) \
53           ALOGI(fmt,##args); \
54       })
55 #undef DEBUG_PRINT_LOW
56 #define DEBUG_PRINT_LOW(fmt, args...) ({ \
57       if (debug_level & PRIO_LOW) \
58           ALOGD(fmt,##args); \
59       })
60 #undef DEBUG_PRINT_HIGH
61 #define DEBUG_PRINT_HIGH(fmt, args...) ({ \
62       if (debug_level & PRIO_HIGH) \
63           ALOGD(fmt,##args); \
64       })
65 #else
66 #define DEBUG_PRINT_ERROR printf
67 #define DEBUG_PRINT_INFO printf
68 #define DEBUG_PRINT_LOW printf
69 #define DEBUG_PRINT_HIGH printf
70 #endif
71 
72 #define VALIDATE_OMX_PARAM_DATA(ptr, paramType)                                \
73     {                                                                          \
74         if (ptr == NULL) { return OMX_ErrorBadParameter; }                     \
75         paramType *p = reinterpret_cast<paramType *>(ptr);                     \
76         if (p->nSize < sizeof(paramType)) {                                    \
77             ALOGE("Insufficient object size(%u) v/s expected(%zu) for type %s",\
78                     (unsigned int)p->nSize, sizeof(paramType), #paramType);    \
79             return OMX_ErrorBadParameter;                                      \
80         }                                                                      \
81     }                                                                          \
82 
83 /*
84  * Validate OMX_CONFIG_ANDROID_VENDOR_EXTENSIONTYPE type param
85  * *assumes* VALIDATE_OMX_PARAM_DATA checks have passed
86  * Checks for nParamCount cannot be generalized here. it is imperative that
87  *  the calling code handles it.
88  */
89 #define VALIDATE_OMX_VENDOR_EXTENSION_PARAM_DATA(ext)                                             \
90     {                                                                                             \
91         if (ext->nParamSizeUsed < 1 || ext->nParamSizeUsed > OMX_MAX_ANDROID_VENDOR_PARAMCOUNT) { \
92             ALOGE("VendorExtension: sub-params(%u) not in expected range(%u - %u)",               \
93                     ext->nParamSizeUsed, 1, OMX_MAX_ANDROID_VENDOR_PARAMCOUNT);                   \
94             return OMX_ErrorBadParameter;                                                         \
95         }                                                                                         \
96         OMX_U32 expectedSize = (OMX_U32)sizeof(OMX_CONFIG_ANDROID_VENDOR_EXTENSIONTYPE) +         \
97                 ((ext->nParamSizeUsed - 1) * (OMX_U32)sizeof(OMX_CONFIG_ANDROID_VENDOR_PARAMTYPE));\
98         if (ext->nSize < expectedSize) {                                                          \
99             ALOGE("VendorExtension: Insifficient size(%u) v/s expected(%u)",                      \
100                     ext->nSize, expectedSize);                                                    \
101             return OMX_ErrorBadParameter;                                                         \
102         }                                                                                         \
103     }                                                                                             \
104 
105 class auto_lock {
106     public:
auto_lock(pthread_mutex_t & lock)107         auto_lock(pthread_mutex_t &lock)
108             : mLock(lock) {
109                 pthread_mutex_lock(&mLock);
110             }
~auto_lock()111         ~auto_lock() {
112             pthread_mutex_unlock(&mLock);
113         }
114     private:
115         pthread_mutex_t &mLock;
116 };
117 
118 #endif
119