1 /* Copyright (c) 2012, The Linux Foundation. All rights reserved. 2 * 3 * Redistribution and use in source and binary forms, with or without 4 * modification, are permitted provided that the following conditions are 5 * 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 9 * copyright notice, this list of conditions and the following 10 * disclaimer in the documentation and/or other materials provided 11 * with the distribution. 12 * * Neither the name of The Linux Foundation nor the names of its 13 * contributors may be used to endorse or promote products derived 14 * from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 23 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 24 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 25 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 26 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #ifndef ANDROID_HARDWARE_QCAMERA_USB_PRIV_H 30 #define ANDROID_HARDWARE_QCAMERA_USB_PRIV_H 31 32 namespace android { 33 34 /* File name length in number of characters */ 35 #define FILENAME_LENGTH (256) 36 37 /* Number of display buffers (in addition to minimum number of undequed buffers */ 38 #define PRVW_DISP_BUF_CNT 2 39 40 /* Number of V4L2 capture buffers. */ 41 #define PRVW_CAP_BUF_CNT 4 42 43 /* Maximum buffer size for JPEG output in number of bytes */ 44 #define MAX_JPEG_BUFFER_SIZE (1024 * 1024) 45 46 /* Preview loop commands */ 47 #define USB_CAM_PREVIEW_EXIT (0x100) 48 #define USB_CAM_PREVIEW_PAUSE (0x101) 49 #define USB_CAM_PREVIEW_TAKEPIC (0x200) 50 51 /****************************************************************************** 52 * Macro function to input validate device handle 53 *****************************************************************************/ 54 #define VALIDATE_DEVICE_HDL(camHal, device, ret_err_code) {\ 55 if(device && device->priv){\ 56 camHal = (camera_hardware_t *)device->priv;\ 57 }else{\ 58 ALOGE("%s: Null device or device->priv", __func__);\ 59 return ret_err_code;\ 60 }\ 61 }\ 62 63 /****************************************************************************** 64 * Macro function to check return status of a function, log and exit the thread 65 *****************************************************************************/ 66 #define ERROR_CHECK_EXIT_THREAD(rc, string) {\ 67 if(rc < 0) {\ 68 ALOGE("%s: Error %s", __func__, string);\ 69 return (void *)-1;\ 70 }\ 71 } 72 73 /****************************************************************************** 74 * Macro function to check return status of a function, log and exit 75 *****************************************************************************/ 76 #define ERROR_CHECK_EXIT(rc, string) {\ 77 if(rc < 0) {\ 78 ALOGE("%s: Error %s", __func__, string);\ 79 return -1;\ 80 }\ 81 } 82 83 /****************************************************************************** 84 * Macro function to Print the parameter string 1000 characters at a time 85 ******************************************************************************/ 86 #define PRINT_PARAM_STR(parms) {\ 87 char temp[1001] = {0};\ 88 int n=0;\ 89 while(1) {\ 90 strlcpy(temp,parms+n,1000);\ 91 ALOGD("parms = %s", temp);\ 92 if (strlen(temp) < 1000) break;\ 93 n += 1000;\ 94 }\ 95 }\ 96 97 /****************************************************************************** 98 * Macro function to open camera 99 *****************************************************************************/ 100 #define USB_CAM_OPEN(camHal) {\ 101 camHal->fd = open(camHal->dev_name, O_RDWR | O_NONBLOCK, 0);\ 102 if(!camHal->fd)\ 103 ALOGE("%s: Error in open", __func__);\ 104 else\ 105 ALOGD("%s: Successfully opened", __func__);\ 106 }\ 107 108 /****************************************************************************** 109 * Macro function to close camera 110 *****************************************************************************/ 111 #define USB_CAM_CLOSE(camHal) {\ 112 int rc;\ 113 if(camHal->fd){\ 114 rc = close(camHal->fd);\ 115 if(0 > rc){\ 116 ALOGE("%s: close failed ", __func__);\ 117 }\ 118 else{\ 119 camHal->fd = 0;\ 120 ALOGD("%s: close successful", __func__);\ 121 }\ 122 }\ 123 }\ 124 125 struct bufObj { 126 void *data; 127 int len; 128 }; 129 130 typedef struct { 131 camera_device hw_dev; 132 Mutex lock; 133 int previewEnabledFlag; 134 int prvwStoppedForPicture; 135 int msgEnabledFlag; 136 volatile int prvwCmdPending; 137 volatile int prvwCmd; 138 pthread_t previewThread; 139 pthread_t takePictureThread; 140 141 camera_notify_callback notify_cb; 142 camera_data_callback data_cb; 143 camera_data_timestamp_callback data_cb_timestamp; 144 camera_request_memory get_memory; 145 void* cb_ctxt; 146 147 /* capture related members */ 148 /* prevFormat is pixel format of preview buffers that are exported */ 149 int prevFormat; 150 int prevFps; 151 int prevWidth; 152 int prevHeight; 153 /* captureFormat is internal setting for USB camera buffers */ 154 int captureFormat; 155 char dev_name[FILENAME_LENGTH]; 156 int fd; 157 unsigned int n_buffers; 158 struct v4l2_buffer curCaptureBuf; 159 struct bufObj *buffers; 160 161 /* Display related members */ 162 preview_stream_ops* window; 163 QCameraHalMemory_t previewMem; 164 /* dispFormat is preview display format.Same as preview buffer format*/ 165 int dispFormat; 166 int dispWidth; 167 int dispHeight; 168 169 /* MJPEG decoder related members */ 170 /* MJPEG decoder object */ 171 void* mjpegd; 172 173 /* JPEG picture and thumbnail related members */ 174 int pictFormat; 175 int pictWidth; 176 int pictHeight; 177 int pictJpegQlty; 178 int thumbnailWidth; 179 int thumbnailHeight; 180 int thumbnailJpegQlty; 181 QCameraHalMemory_t pictMem; 182 int takePictInProgress; 183 int jpegEncInProgress; 184 pthread_mutex_t jpegEncMutex; 185 pthread_cond_t jpegEncCond; 186 187 /* */ 188 QCameraParameters qCamParams; 189 String8 prevSizeValues; 190 String8 pictSizeValues; 191 String8 thumbnailSizeValues; 192 String8 vidSizeValues; 193 String8 pictFormatValues; 194 String8 prevFormatValues; 195 String8 prevFpsRangesValues; 196 197 } camera_hardware_t; 198 199 200 }; // namespace android 201 202 #endif /* ANDROID_HARDWARE_QCAMERA_USB_PRIV_H */ 203
