#include?“Camera.h“
#include?“com_CES_usbcamera_Camera.h“

int?camera_fd?=?-1;
int?camera_base?=?0;
int?flag_init?=?0;
int?flag_preview?=?0;
int?Y[256]?VR[256]?VG[256]?UG[256]?UB[256];

struct?Buffer?*buffers?=?NULL;
int?n_buffers?=?0;


int?initCamera（）
{
	if（flag_init）
		return?SUCCESS_LOCAL;

	DIR?*d;
	struct?dirent?*de;
	char?*path?=?DEVICE_PATH;
	char?name[255];

	int?fd;
	struct?v4l2_capability?cap;

	d?=?opendir（path）;
	if（d?==?0）?{
		PRINT_ERROR（“opendir?failed“）;
		return?ERROR_LOCAL;
	}

	while（（de?=?readdir（d））?!=?0）{
		if?（!memcmp（de->d_name?DEVICE_PREFIX_NAME?5））?{
			if（de->d_name[5]?==?‘\0‘?||?de->d_name[5]?se）
				continue;

			memset（name?0?sizeof（name））;
			strcpy（name?path）;
			strcat（name?de->d_name）;
			LOGI（“Get?device:?%s“?name）;

			fd?=?open?（name?O_RDWR）;
			if（fd?				PRINT_ERROR（“open?failed“）;
				continue;
			}

			memset（&cap?0?sizeof（cap））;
			if?（ioctl（fd?VIDIOC_QUERYCAP?&cap）?				PRINT_ERROR（“VIDIOC_QUERYCAP“）;
				close（fd）;
				continue;
			}
			if?（!（cap.capabilities?&?V4L2_CAP_VIDEO_CAPTURE））?{
				LOGE（“%s?is?no?V4L2?device“?name）;
				close（fd）;
				continue;
			}
			if?（!（cap.capabilities?&?V4L2_CAP_STREAMING））?{
				LOGE（“%s?does?not?support?streaming?i/o“?name）;
				close（fd）;
				continue;
			}

			initYUV（）;
			camera_fd?=?fd;
		//	setCamera（V4L2_CID_BRIGHTNESS?-20）;
		//	setCamera（V4L2_CID_CONTRAST?20）;
		//	setCamera（V4L2_CID_SATURATION?50）;

			flag_init?=?1;
			return?SUCCESS_LOCAL;
		}
	}

	closedir（d）;
	flag_init?=?0;
	return?ERROR_LOCAL;
}

void?deinitCamera（）
{
	if（!flag_init）
		return;

	if（flag_init）
		close（camera_fd）;
	flag_init?=?0;
}

int?setCamera（int?id?int?value）
{
//	struct?v4l2_cropcap?cropcap;
//	struct?v4l2_crop?crop;
	struct?v4l2_queryctrl?qctrl;
	struct?v4l2_control?ctrl;
/*
	memset（&cropcap?0?sizeof（cropcap））;
	cropcap.type?=?V4L2_BUF_TYPE_VIDEO_CAPTURE;
	if?（0?==?ioctl?（camera_fd?VIDIOC_CROPCAP?&cropcap））?{
		crop.type?=?V4L2_BUF_TYPE_VIDEO_CAPTURE;
		crop.c?=?cropcap.defrect;
		ioctl?（camera_fd?VIDIOC_S_CROP?&crop）;
		LOGI（“VIDIOC_CROPCAP“）;
	}
*/
	qctrl.id?=?id;
	if?（ioctl（camera_fd?VIDIOC_QUERYCTRL?&qctrl）?==?0）?{
		ctrl.id?=?qctrl.id;
		ctrl.value?=?value;
		ioctl（camera_fd?VIDIOC_S_CTRL?&ctrl）;

		ctrl.id?=?qctrl.id;
		if?（ioctl（camera_fd?VIDIOC_G_CTRL?&ctrl）?			PRINT_ERROR（“VIDIOC_G_CTRL“）;
			return?-1;
		}
		LOGI（“%-14s?:?id=%08x?type=%d?minimum=%d?maximum=%d\n“
				“\t\t?value?=?%d?step=%d?default_value=%d\n“
				qctrl.name?qctrl.id?qctrl.type?qctrl.minimum?qctrl.maximum
				ctrl.value?qctrl.step?qctrl.default_value）;
		return?0;
	}
	return?-1;
}

int?startPreview（）
{
	if（flag_preview）
		return?SUCCESS_LOCAL;

	struct?v4l2_format?fmt;
	struct?v4l2_fmtdesc?fmtdesc;
	struct?v4l2_requestbuffers?req;
	enum?v4l2_buf_type?type;
	int?i?found?=?0;

	memset

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2016-04-20?08:57??USBCamera\
?????文件?????????356??2013-05-17?15:11??USBCamera\.classpath
?????文件????????1185??2013-09-18?11:31??USBCamera\.project
?????文件????????1613??2013-11-28?14:56??USBCamera\AndroidManifest.xml
?????目錄???????????0??2016-12-14?15:37??USBCamera\assets\
?????目錄???????????0??2014-05-07?18:16??USBCamera\bin\
?????文件??????218968??2013-11-28?11:39??USBCamera\bin\USBCamera.apk
?????文件???????51394??2013-05-17?11:29??USBCamera\ic_launcher-web.png
?????目錄???????????0??2016-04-20?08:57??USBCamera\jni\
?????文件?????????784??2013-07-29?17:03??USBCamera\jni\Android.mk
?????文件???????10429??2013-09-23?11:28??USBCamera\jni\Camera.c
?????文件????????2144??2013-09-21?10:28??USBCamera\jni\Camera.h
?????文件?????????913??2013-07-31?15:53??USBCamera\jni\com_CES_usbcamera_Camera.h
?????目錄???????????0??2014-05-07?17:28??USBCamera\libs\
?????文件??????393154??2013-05-17?11:29??USBCamera\libs\android-support-v4.jar
?????目錄???????????0??2016-04-20?08:57??USBCamera\libs\armeabi\
?????文件???????17532??2013-11-28?10:02??USBCamera\libs\armeabi\libCameraJni.so
?????文件?????????781??2013-05-17?11:29??USBCamera\proguard-project.txt
?????文件?????????563??2013-07-29?13:53??USBCamera\project.properties
?????目錄???????????0??2014-05-07?17:28??USBCamera\res\
?????目錄???????????0??2014-05-07?17:28??USBCamera\res\drawable-hdpi\
?????文件?????????928??2013-11-27?13:55??USBCamera\res\drawable-hdpi\battery_charge_1.png
?????文件????????1077??2013-11-27?13:55??USBCamera\res\drawable-hdpi\battery_charge_2.png
?????文件????????1130??2013-11-27?13:55??USBCamera\res\drawable-hdpi\battery_charge_3.png
?????文件????????1177??2013-11-27?13:55??USBCamera\res\drawable-hdpi\battery_charge_4.png
?????文件????????1176??2013-11-27?13:55??USBCamera\res\drawable-hdpi\battery_charge_5.png
?????文件????????1378??2013-11-27?13:55??USBCamera\res\drawable-hdpi\battery_charge_6.png
?????文件????????1281??2013-11-27?13:55??USBCamera\res\drawable-hdpi\battery_full.png
?????文件????????3928??2013-11-27?18:17??USBCamera\res\drawable-hdpi\battery_low.png
?????文件?????????516??2013-11-27?13:55??USBCamera\res\drawable-hdpi\battery_unknown.png
?????文件????????4270??2013-07-27?10:18??USBCamera\res\drawable-hdpi\ic_launcher.png
............此處省略32個(gè)文件信息