/* Copyright (c) 2012, The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef ANDROID_HARDWARE_QCAMERA_USB_PRIV_H
#define ANDROID_HARDWARE_QCAMERA_USB_PRIV_H
namespace android {
/* File name length in number of characters */
#define FILENAME_LENGTH (256)
/* Number of display buffers (in addition to minimum number of undequed buffers */
#define PRVW_DISP_BUF_CNT 2
/* Number of V4L2 capture buffers. */
#define PRVW_CAP_BUF_CNT 4
/* Maximum buffer size for JPEG output in number of bytes */
#define MAX_JPEG_BUFFER_SIZE (1024 * 1024)
/* Preview loop commands */
#define USB_CAM_PREVIEW_EXIT (0x100)
#define USB_CAM_PREVIEW_PAUSE (0x101)
#define USB_CAM_PREVIEW_TAKEPIC (0x200)
/******************************************************************************
* Macro function to input validate device handle
*****************************************************************************/
#define VALIDATE_DEVICE_HDL(camHal, device, ret_err_code) {\
if(device && device->priv){\
camHal = (camera_hardware_t *)device->priv;\
}else{\
ALOGE("%s: Null device or device->priv", __func__);\
return ret_err_code;\
}\
}\
/******************************************************************************
* Macro function to check return status of a function, log and exit the thread
*****************************************************************************/
#define ERROR_CHECK_EXIT_THREAD(rc, string) {\
if(rc < 0) {\
ALOGE("%s: Error %s", __func__, string);\
return (void *)-1;\
}\
}
/******************************************************************************
* Macro function to check return status of a function, log and exit
*****************************************************************************/
#define ERROR_CHECK_EXIT(rc, string) {\
if(rc < 0) {\
ALOGE("%s: Error %s", __func__, string);\
return -1;\
}\
}
/******************************************************************************
* Macro function to Print the parameter string 1000 characters at a time
******************************************************************************/
#define PRINT_PARAM_STR(parms) {\
char temp[1001] = {0};\
int n=0;\
while(1) {\
strlcpy(temp,parms+n,1000);\
ALOGD("parms = %s", temp);\
if (strlen(temp) < 1000) break;\
n += 1000;\
}\
}\
/******************************************************************************
* Macro function to open camera
*****************************************************************************/
#define USB_CAM_OPEN(camHal) {\
camHal->fd = open(camHal->dev_name, O_RDWR | O_NONBLOCK, 0);\
if(!camHal->fd)\
ALOGE("%s: Error in open", __func__);\
else\
ALOGD("%s: Successfully opened", __func__);\
}\
/******************************************************************************
* Macro function to close camera
*****************************************************************************/
#define USB_CAM_CLOSE(camHal) {\
int rc;\
if(camHal->fd){\
rc = close(camHal->fd);\
if(0 > rc){\
ALOGE("%s: close failed ", __func__);\
}\
else{\
camHal->fd = 0;\
ALOGD("%s: close successful", __func__);\
}\
}\
}\
struct bufObj {
void *data;
int len;
};
typedef struct {
camera_device hw_dev;
Mutex lock;
int previewEnabledFlag;
int prvwStoppedForPicture;
int msgEnabledFlag;
volatile int prvwCmdPending;
volatile int prvwCmd;
pthread_t previewThread;
pthread_t takePictureThread;
camera_notify_callback notify_cb;
camera_data_callback data_cb;
camera_data_timestamp_callback data_cb_timestamp;
camera_request_memory get_memory;
void* cb_ctxt;
/* capture related members */
/* prevFormat is pixel format of preview buffers that are exported */
int prevFormat;
int prevFps;
int prevWidth;
int prevHeight;
/* captureFormat is internal setting for USB camera buffers */
int captureFormat;
char dev_name[FILENAME_LENGTH];
int fd;
unsigned int n_buffers;
struct v4l2_buffer curCaptureBuf;
struct bufObj *buffers;
/* Display related members */
preview_stream_ops* window;
QCameraHalMemory_t previewMem;
/* dispFormat is preview display format.Same as preview buffer format*/
int dispFormat;
int dispWidth;
int dispHeight;
/* MJPEG decoder related members */
/* MJPEG decoder object */
void* mjpegd;
/* JPEG picture and thumbnail related members */
int pictFormat;
int pictWidth;
int pictHeight;
int pictJpegQlty;
int thumbnailWidth;
int thumbnailHeight;
int thumbnailJpegQlty;
QCameraHalMemory_t pictMem;
int takePictInProgress;
int jpegEncInProgress;
pthread_mutex_t jpegEncMutex;
pthread_cond_t jpegEncCond;
/* */
QCameraParameters qCamParams;
String8 prevSizeValues;
String8 pictSizeValues;
String8 thumbnailSizeValues;
String8 vidSizeValues;
String8 pictFormatValues;
String8 prevFormatValues;
String8 prevFpsRangesValues;
} camera_hardware_t;
}; // namespace android
#endif /* ANDROID_HARDWARE_QCAMERA_USB_PRIV_H */