libhwjpeg/hwjpeg-internal.h

   1 /*
   2  * Copyright Samsung Electronics Co.,LTD.
   3  * Copyright (C) 2015 The Android Open Source Project
   4  *
   5  * Licensed under the Apache License, Version 2.0 (the "License");
   6  * you may not use this file except in compliance with the License.
   7  * You may obtain a copy of the License at
   8  *
   9  *     http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  * Unless required by applicable law or agreed to in writing, software
  12  * distributed under the License is distributed on an "AS IS" BASIS,
  13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  * See the License for the specific language governing permissions and
  15  * limitations under the License.
  16  */
  17
  18 #ifndef __HWJPEG_INTERNAL_H__
  19 #define __HWJPEG_INTERNAL_H__
  20
  21 #ifndef LOG_TAG
  22 #error "LOG_TAG is not defined!"
  23 #endif
  24
  25 #include <cerrno>
  26 #include <cstring>
  27
  28 #include <cutils/log.h>
  29
  30 #ifdef __GNUC__
  31 #  define __UNUSED__ __attribute__((__unused__))
  32 #else
  33 #  define __UNUSED__
  34 #endif
  35
  36 #ifndef ALOGERR
  37 #define ALOGERR(fmt, args...) ((void)ALOG(LOG_ERROR, LOG_TAG, fmt " [%s]", ##args, strerror(errno)))
  38 #endif
  39
  40 #define V4L2_CID_JPEG_SEC_COMP_QUALITY (V4L2_CID_JPEG_CLASS_BASE + 20)
  41 #define V4L2_CID_JPEG_QTABLES2         (V4L2_CID_JPEG_CLASS_BASE + 22)
  42 #define V4L2_CID_JPEG_HWFC_ENABLE      (V4L2_CID_JPEG_CLASS_BASE + 25)
  43
  44 #define TO_MAIN_SIZE(val)   ((val) & 0xFFFF)
  45 #define TO_THUMB_SIZE(val)  (((val) & 0xFFFF) << 16)
  46 #define TO_IMAGE_SIZE(main, thumb) (TO_MAIN_SIZE(main) | TO_THUMB_SIZE(thumb))
  47
  48 #define PTR_TO_ULONG(ptr)   reinterpret_cast<unsigned long>(ptr)
  49 #define PTR_DIFF(ptr1, ptr2) (reinterpret_cast<size_t>(ptr2) - reinterpret_cast<size_t>(ptr1))
  50
  51 #define ARRSIZE(v) (sizeof(v) / sizeof(v[0]))
  52
  53 #ifndef min
  54 template <typename T>
  55 static inline T min(T val1, T val2) {
  56     return (val1 > val2) ? val2 : val1;
  57 }
  58 #endif
  59
  60 #ifndef max
  61 template <typename T>
  62 static inline T max(T val1, T val2) {
  63     return (val1 < val2) ? val2 : val1;
  64 }
  65 #endif
  66
  67 // H/W requires 16-byte alignment
  68 #define HW_BASE_ALIGN_BITS 4
  69 #define HW_BASE_ALIGN_SIZE (1 << HW_BASE_ALIGN_BITS)
  70 #define HW_BASE_ALIGN_MASK ~(HW_BASE_ALIGN_SIZE - 1)
  71
  72 class CStopWatch {
  73     timespec m_tBegin;
  74 public:
  75     CStopWatch(bool start = false) {
  76         if (start)
  77             Start();
  78     }
  79     bool Start();
  80     unsigned long GetElapsed();
  81     unsigned long GetElapsedUpdate();
  82 };
  83
  84 bool WriteToFile(const char *path, const char *data, size_t len);
  85 bool WriteToFile(const char *path, int dmabuf, size_t len);
  86 #endif //__HWJPEG_INTERNAL_H__