195 lines
4.9 KiB
C++
Executable File
195 lines
4.9 KiB
C++
Executable File
/*
|
|
* Copyright (C) 2008 The Android Open Source Project
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#define APK_VERSION "V1.3"
|
|
#define LOG_TAG "HdmiInput-navtive"
|
|
//#define LOG_NDEBUG 0
|
|
|
|
#include <utils/Log.h>
|
|
#include <jni.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <utils/Log.h>
|
|
#include <unistd.h>
|
|
#include <fcntl.h>
|
|
#include <errno.h>
|
|
#include <sys/ioctl.h>
|
|
#include <sys/mman.h>
|
|
#include <linux/videodev2.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/types.h>
|
|
#include <linux/v4l2-subdev.h>
|
|
|
|
#define LOGE(msg,...) ALOGE("%s(%d): " msg ,__FUNCTION__,__LINE__,##__VA_ARGS__)
|
|
#define LOGD(msg,...) ALOGD("%s(%d): " msg ,__FUNCTION__,__LINE__,##__VA_ARGS__)
|
|
#define LOGV(msg,...) ALOGV("%s(%d): " msg ,__FUNCTION__,__LINE__,##__VA_ARGS__)
|
|
|
|
|
|
static int camFd;
|
|
static void getDeviceFormat(int *format)
|
|
{
|
|
struct v4l2_control control;
|
|
memset(&control, 0, sizeof(struct v4l2_control));
|
|
control.id = V4L2_CID_DV_RX_POWER_PRESENT;
|
|
int err = ioctl(camFd, VIDIOC_G_CTRL, &control);
|
|
if (err < 0) {
|
|
LOGV("Set POWER_PRESENT failed ,%d(%s)", errno, strerror(errno));
|
|
}
|
|
|
|
unsigned int noSignalAndSync = 0;
|
|
ioctl(camFd, VIDIOC_G_INPUT, &noSignalAndSync);
|
|
LOGV("noSignalAndSync ? %s",noSignalAndSync?"YES":"NO");
|
|
|
|
struct v4l2_dv_timings dv_timings;
|
|
memset(&dv_timings, 0 ,sizeof(struct v4l2_dv_timings));
|
|
err = ioctl(camFd, VIDIOC_SUBDEV_QUERY_DV_TIMINGS, &dv_timings);
|
|
if (err < 0) {
|
|
LOGV("Set VIDIOC_SUBDEV_QUERY_DV_TIMINGS failed ,%d(%s)", errno, strerror(errno));
|
|
}
|
|
|
|
format[0] = dv_timings.bt.width;
|
|
format[1] = dv_timings.bt.height;
|
|
format[2] = control.value && !noSignalAndSync;
|
|
}
|
|
|
|
static jintArray getFormat(JNIEnv *env, jobject thiz)
|
|
{
|
|
(void)thiz;
|
|
jintArray array = env->NewIntArray(3);
|
|
jint *result = new jint[3];
|
|
getDeviceFormat(result);
|
|
env->SetIntArrayRegion(array, 0, 3, result);
|
|
delete[] result;
|
|
return array;
|
|
}
|
|
|
|
static void openDevice(JNIEnv *env, jobject thiz)
|
|
{
|
|
(void)*env;
|
|
(void)thiz;
|
|
|
|
char video_name[64];
|
|
memset(video_name, 0, sizeof(video_name));
|
|
strcat(video_name, "/dev/v4l-subdev2");
|
|
|
|
camFd = open(video_name, O_RDWR);
|
|
if (camFd < 0) {
|
|
LOGE("open %s failed,erro=%s",video_name,strerror(errno));
|
|
} else {
|
|
LOGD("open %s success,fd=%d",video_name,camFd);
|
|
}
|
|
}
|
|
|
|
static void closeDevice(JNIEnv *env, jobject thiz)
|
|
{
|
|
(void)*env;
|
|
(void)thiz;
|
|
LOGD("close device");
|
|
if(camFd > 0) {
|
|
close(camFd);
|
|
}
|
|
}
|
|
|
|
static const char *classPathName = "com/android/rockchip/camera2/util/JniCameraCall";
|
|
|
|
static JNINativeMethod methods[] = {
|
|
{"getFormat", "()[I", (void *)getFormat},
|
|
{"openDevice", "()V", (void *)openDevice},
|
|
{"closeDevice", "()V", (void *)closeDevice},
|
|
};
|
|
|
|
/*
|
|
* Register several native methods for one class.
|
|
*/
|
|
static int registerNativeMethods(JNIEnv *env, const char *className,
|
|
JNINativeMethod *gMethods, int numMethods)
|
|
{
|
|
jclass clazz;
|
|
|
|
clazz = env->FindClass(className);
|
|
if (clazz == NULL)
|
|
{
|
|
ALOGE("Native registration unable to find class '%s'", className);
|
|
return JNI_FALSE;
|
|
}
|
|
if (env->RegisterNatives(clazz, gMethods, numMethods) < 0)
|
|
{
|
|
ALOGE("RegisterNatives failed for '%s'", className);
|
|
return JNI_FALSE;
|
|
}
|
|
|
|
return JNI_TRUE;
|
|
}
|
|
|
|
/*
|
|
* Register native methods for all classes we know about.
|
|
*
|
|
* returns JNI_TRUE on success.
|
|
*/
|
|
static int registerNatives(JNIEnv *env)
|
|
{
|
|
if (!registerNativeMethods(env, classPathName,
|
|
methods, sizeof(methods) / sizeof(methods[0])))
|
|
{
|
|
return JNI_FALSE;
|
|
}
|
|
|
|
return JNI_TRUE;
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
|
|
/*
|
|
* This is called by the VM when the shared library is first loaded.
|
|
*/
|
|
|
|
typedef union {
|
|
JNIEnv *env;
|
|
void *venv;
|
|
} UnionJNIEnvToVoid;
|
|
|
|
jint JNI_OnLoad(JavaVM *vm, void *reserved)
|
|
{
|
|
(void)reserved;
|
|
UnionJNIEnvToVoid uenv;
|
|
uenv.venv = NULL;
|
|
jint result = -1;
|
|
JNIEnv *env = NULL;
|
|
|
|
ALOGI("JNI_OnLoad");
|
|
ALOGI("Apk Version: %s", APK_VERSION);
|
|
|
|
if (vm->GetEnv(&uenv.venv, JNI_VERSION_1_4) != JNI_OK)
|
|
{
|
|
ALOGE("ERROR: GetEnv failed");
|
|
goto bail;
|
|
}
|
|
env = uenv.env;
|
|
|
|
if (registerNatives(env) != JNI_TRUE)
|
|
{
|
|
ALOGE("ERROR: registerNatives failed");
|
|
goto bail;
|
|
}
|
|
|
|
result = JNI_VERSION_1_4;
|
|
|
|
bail:
|
|
return result;
|
|
}
|
|
|