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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 #include <sys/mman.h>
36 
37 enum {
38    PRIO_ERROR=0x1,
39    PRIO_INFO=0x1,
40    PRIO_HIGH=0x2,
41    PRIO_LOW=0x4,
42    PRIO_TRACE_HIGH = 0x10,
43    PRIO_TRACE_LOW = 0x20,
44 };
45 
46 extern int debug_level;
47 
48 #undef DEBUG_PRINT_ERROR
49 #define DEBUG_PRINT_ERROR(fmt, args...) ({ \
50       if (debug_level & PRIO_ERROR) \
51           ALOGE(fmt,##args); \
52       })
53 #undef DEBUG_PRINT_INFO
54 #define DEBUG_PRINT_INFO(fmt, args...) ({ \
55       if (debug_level & PRIO_INFO) \
56           ALOGI(fmt,##args); \
57       })
58 #undef DEBUG_PRINT_LOW
59 #define DEBUG_PRINT_LOW(fmt, args...) ({ \
60       if (debug_level & PRIO_LOW) \
61           ALOGD(fmt,##args); \
62       })
63 #undef DEBUG_PRINT_HIGH
64 #define DEBUG_PRINT_HIGH(fmt, args...) ({ \
65       if (debug_level & PRIO_HIGH) \
66           ALOGD(fmt,##args); \
67       })
68 #else
69 #define DEBUG_PRINT_ERROR printf
70 #define DEBUG_PRINT_INFO printf
71 #define DEBUG_PRINT_LOW printf
72 #define DEBUG_PRINT_HIGH printf
73 #endif
74 
75 #define VALIDATE_OMX_PARAM_DATA(ptr, paramType)                                \
76     {                                                                          \
77         if (ptr == NULL) { return OMX_ErrorBadParameter; }                     \
78         paramType *p = reinterpret_cast<paramType *>(ptr);                     \
79         if (p->nSize < sizeof(paramType)) {                                    \
80             ALOGE("Insufficient object size(%u) v/s expected(%zu) for type %s",\
81                     (unsigned int)p->nSize, sizeof(paramType), #paramType);    \
82             return OMX_ErrorBadParameter;                                      \
83         }                                                                      \
84     }                                                                          \
85 
86 /*
87  * Validate OMX_CONFIG_ANDROID_VENDOR_EXTENSIONTYPE type param
88  * *assumes* VALIDATE_OMX_PARAM_DATA checks have passed
89  * Checks for nParamCount cannot be generalized here. it is imperative that
90  *  the calling code handles it.
91  */
92 #define VALIDATE_OMX_VENDOR_EXTENSION_PARAM_DATA(ext)                                             \
93     {                                                                                             \
94         if (ext->nParamSizeUsed < 1 || ext->nParamSizeUsed > OMX_MAX_ANDROID_VENDOR_PARAMCOUNT) { \
95             ALOGE("VendorExtension: sub-params(%u) not in expected range(%u - %u)",               \
96                     ext->nParamSizeUsed, 1, OMX_MAX_ANDROID_VENDOR_PARAMCOUNT);                   \
97             return OMX_ErrorBadParameter;                                                         \
98         }                                                                                         \
99         OMX_U32 expectedSize = (OMX_U32)sizeof(OMX_CONFIG_ANDROID_VENDOR_EXTENSIONTYPE) +         \
100                 ((ext->nParamSizeUsed - 1) * (OMX_U32)sizeof(OMX_CONFIG_ANDROID_VENDOR_PARAMTYPE));\
101         if (ext->nSize < expectedSize) {                                                          \
102             ALOGE("VendorExtension: Insifficient size(%u) v/s expected(%u)",                      \
103                     ext->nSize, expectedSize);                                                    \
104             return OMX_ErrorBadParameter;                                                         \
105         }                                                                                         \
106     }                                                                                             \
107 
108 class auto_lock {
109     public:
auto_lock(pthread_mutex_t & lock)110         auto_lock(pthread_mutex_t &lock)
111             : mLock(lock) {
112                 pthread_mutex_lock(&mLock);
113             }
~auto_lock()114         ~auto_lock() {
115             pthread_mutex_unlock(&mLock);
116         }
117     private:
118         pthread_mutex_t &mLock;
119 };
120 
121 class AutoUnmap {
122     void *vaddr;
123     int size;
124 
125     public:
AutoUnmap(void * vaddr,int size)126         AutoUnmap(void *vaddr, int size) {
127             this->vaddr = vaddr;
128             this->size = size;
129         }
130 
~AutoUnmap()131         ~AutoUnmap() {
132             if (vaddr)
133                 munmap(vaddr, size);
134         }
135 };
136 
137 #ifdef _ANDROID_
138 #define ATRACE_TAG ATRACE_TAG_VIDEO
139 #include <utils/Trace.h>
140 
141 class AutoTracer {
142     int mPrio;
143 public:
AutoTracer(int prio,const char * msg)144     AutoTracer(int prio, const char* msg)
145         : mPrio(prio) {
146         if (debug_level & prio) {
147             ATRACE_BEGIN(msg);
148         }
149     }
~AutoTracer()150     ~AutoTracer() {
151         if (debug_level & mPrio) {
152             ATRACE_END();
153         }
154     }
155 };
156 
157 #define VIDC_TRACE_NAME_LOW(_name) AutoTracer _tracer(PRIO_TRACE_LOW, _name);
158 #define VIDC_TRACE_NAME_HIGH(_name) AutoTracer _tracer(PRIO_TRACE_HIGH, _name);
159 
160 #define VIDC_TRACE_INT_LOW(_name, _int) \
161     if (debug_level & PRIO_TRACE_LOW) { \
162         ATRACE_INT(_name, _int);        \
163     }
164 
165 #define VIDC_TRACE_INT_HIGH(_name, _int) \
166     if (debug_level & PRIO_TRACE_HIGH) { \
167         ATRACE_INT(_name, _int);        \
168     }
169 
170 #else // _ANDROID_
171 
172 #define VIDC_TRACE_NAME_LOW(_name)
173 #define VIDC_TRACE_NAME_HIGH(_name)
174 #define VIDC_TRACE_INT_LOW(_name, _int)
175 #define VIDC_TRACE_INT_HIGH(_name, _int)
176 
177 #endif // !_ANDROID_
178 
179 #endif
180