1050 lines
36 KiB
C++
1050 lines
36 KiB
C++
#if !defined(ANDROID_r2_2_0) && !defined(ANDROID_r2_3_3) && !defined(ANDROID_r3_0_1) && \
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!defined(ANDROID_r4_0_0) && !defined(ANDROID_r4_0_3) && !defined(ANDROID_r4_1_1) && \
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!defined(ANDROID_r4_2_0) && !defined(ANDROID_r4_3_0) && !defined(ANDROID_r4_4_0)
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# error Building camera wrapper for your version of Android is not supported by OpenCV.\
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You need to modify OpenCV sources in order to compile camera wrapper for your version of Android.
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#endif
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#include <camera/Camera.h>
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#include <camera/CameraParameters.h>
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#if defined(ANDROID_r4_0_0) || defined(ANDROID_r4_0_3)
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# include <system/camera.h>
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#endif //defined(ANDROID_r4_0_0) || defined(ANDROID_r4_0_3)
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#include "camera_wrapper.h"
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#include "../include/camera_properties.h"
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#if defined(ANDROID_r3_0_1) || defined(ANDROID_r4_0_0) || defined(ANDROID_r4_0_3) || defined(ANDROID_r4_1_1)
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//Include SurfaceTexture.h file with the SurfaceTexture class
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# include <gui/SurfaceTexture.h>
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# define MAGIC_OPENCV_TEXTURE_ID (0x10)
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#elif defined(ANDROID_r4_1_1) || defined(ANDROID_r4_2_0)
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# include <gui/ISurface.h>
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# include <gui/BufferQueue.h>
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#elif defined(ANDROID_r4_3_0) || defined(ANDROID_r4_4_0)
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# include <gui/IGraphicBufferProducer.h>
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# include <gui/BufferQueue.h>
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#else
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# include <surfaceflinger/ISurface.h>
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#endif
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#include <string>
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#include <fstream>
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//undef logging macro from /system/core/libcutils/loghack.h
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#ifdef LOGD
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# undef LOGD
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#endif
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#ifdef LOGI
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# undef LOGI
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#endif
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#ifdef LOGW
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# undef LOGW
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#endif
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#ifdef LOGE
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# undef LOGE
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#endif
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// LOGGING
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#include <android/log.h>
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#define CAMERA_LOG_TAG "OpenCV_NativeCamera"
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#define LOGD(...) ((void)__android_log_print(ANDROID_LOG_DEBUG, CAMERA_LOG_TAG, __VA_ARGS__))
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#define LOGI(...) ((void)__android_log_print(ANDROID_LOG_INFO, CAMERA_LOG_TAG, __VA_ARGS__))
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#define LOGW(...) ((void)__android_log_print(ANDROID_LOG_WARN, CAMERA_LOG_TAG, __VA_ARGS__))
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#define LOGE(...) ((void)__android_log_print(ANDROID_LOG_ERROR, CAMERA_LOG_TAG, __VA_ARGS__))
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#include <dlfcn.h>
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using namespace android;
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void debugShowFPS();
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#if defined(ANDROID_r4_1_1) || defined(ANDROID_r4_2_0) || defined(ANDROID_r4_3_0)
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class ConsumerListenerStub: public BufferQueue::ConsumerListener
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{
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public:
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virtual void onFrameAvailable()
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{
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}
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virtual void onBuffersReleased()
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{
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}
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};
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#elif defined(ANDROID_r4_4_0)
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class ConsumerListenerStub: public android::BnConsumerListener
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{
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public:
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virtual void onFrameAvailable()
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{
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}
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virtual void onBuffersReleased()
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{
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}
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virtual ~ConsumerListenerStub()
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{
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}
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};
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#endif
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std::string getProcessName()
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{
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std::string result;
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std::ifstream f;
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f.open("/proc/self/cmdline");
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if (f.is_open())
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{
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std::string fullPath;
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std::getline(f, fullPath, '\0');
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if (!fullPath.empty())
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{
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int i = fullPath.size()-1;
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while ((i >= 0) && (fullPath[i] != '/')) i--;
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result = fullPath.substr(i+1, std::string::npos);
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}
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}
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f.close();
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return result;
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}
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void debugShowFPS()
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{
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static int mFrameCount = 0;
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static int mLastFrameCount = 0;
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static nsecs_t mLastFpsTime = systemTime();
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static float mFps = 0;
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mFrameCount++;
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if (( mFrameCount % 30 ) != 0)
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return;
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nsecs_t now = systemTime();
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nsecs_t diff = now - mLastFpsTime;
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if (diff==0)
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return;
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mFps = ((mFrameCount - mLastFrameCount) * float(s2ns(1))) / diff;
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mLastFpsTime = now;
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mLastFrameCount = mFrameCount;
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LOGI("### Camera FPS ### [%d] Frames, %.2f FPS", mFrameCount, mFps);
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}
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class CameraHandler: public CameraListener
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{
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protected:
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int cameraId;
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sp<Camera> camera;
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CameraParameters params;
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CameraCallback cameraCallback;
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void* userData;
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int emptyCameraCallbackReported;
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static const char* flashModesNames[ANDROID_CAMERA_FLASH_MODES_NUM];
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static const char* focusModesNames[ANDROID_CAMERA_FOCUS_MODES_NUM];
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static const char* whiteBalanceModesNames[ANDROID_CAMERA_WHITE_BALANCE_MODES_NUM];
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static const char* antibandingModesNames[ANDROID_CAMERA_ANTIBANDING_MODES_NUM];
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void doCall(void* buffer, size_t bufferSize)
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{
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if (cameraCallback == 0)
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{
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if (!emptyCameraCallbackReported)
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LOGE("CameraHandler::doCall(void*, size_t): Camera callback is empty!");
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emptyCameraCallbackReported++;
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}
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else
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{
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bool res = (*cameraCallback)(buffer, bufferSize, userData);
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if(!res)
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{
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LOGE("CameraHandler::doCall(void*, size_t): cameraCallback returns false (camera connection will be closed)");
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closeCameraConnect();
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}
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}
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}
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void doCall(const sp<IMemory>& dataPtr)
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{
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if (dataPtr == NULL)
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{
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LOGE("CameraHandler::doCall(const sp<IMemory>&): dataPtr==NULL (no frame to handle)");
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return;
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}
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size_t size = dataPtr->size();
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if (size <= 0)
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{
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LOGE("CameraHandler::doCall(const sp<IMemory>&): IMemory object is of zero size");
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return;
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}
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void* buffer = (void *)dataPtr->pointer();
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if (!buffer)
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{
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LOGE("CameraHandler::doCall(const sp<IMemory>&): Buffer pointer is NULL");
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return;
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}
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doCall(buffer, size);
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}
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virtual void postDataTimestamp(nsecs_t timestamp, int32_t msgType, const sp<IMemory>& dataPtr)
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{
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static uint32_t count = 0;
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count++;
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LOGE("Recording cb: %d %lld %%p Offset:%%d Stride:%%d\n", msgType, timestamp);
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if (dataPtr == NULL)
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{
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LOGE("postDataTimestamp: dataPtr IS ZERO -- returning");
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camera->releaseRecordingFrame(dataPtr);
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LOGE("postDataTimestamp: camera->releaseRecordingFrame(dataPtr) is done");
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return;
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}
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uint8_t *ptr = (uint8_t*) dataPtr->pointer();
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if (ptr)
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LOGE("VID_CB: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x", ptr[0], ptr[1], ptr[2], ptr[3], ptr[4], ptr[5], ptr[6], ptr[7], ptr[8], ptr[9]);
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else
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LOGE("postDataTimestamp: Ptr is zero");
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camera->releaseRecordingFrame(dataPtr);
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}
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// Split list of floats, returns number of floats found
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static int split_float(const char *str, float* out, char delim, int max_elem_num,
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char **endptr = NULL)
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{
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// Find the first float.
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char *end = const_cast<char*>(str);
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int elem_num = 0;
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for(; elem_num < max_elem_num; elem_num++ ){
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char* curr_end;
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out[elem_num] = (float)strtof(end, &curr_end);
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// No other numbers found, finish the loop
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if(end == curr_end){
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break;
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}
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if (*curr_end != delim) {
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// When end of string, finish the loop
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if (*curr_end == 0){
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elem_num++;
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break;
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}
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else {
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LOGE("Cannot find delimeter (%c) in str=%s", delim, str);
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return -1;
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}
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}
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// Skip the delimiter character
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end = curr_end + 1;
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}
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if (endptr)
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*endptr = end;
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return elem_num;
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}
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int is_supported(const char* supp_modes_key, const char* mode)
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{
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const char* supported_modes = params.get(supp_modes_key);
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return (supported_modes && mode && (strstr(supported_modes, mode) > 0));
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}
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float getFocusDistance(int focus_distance_type)
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{
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#if !defined(ANDROID_r2_2_0)
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if (focus_distance_type >= 0 && focus_distance_type < 3)
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{
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float focus_distances[3];
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const char* output = params.get(CameraParameters::KEY_FOCUS_DISTANCES);
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int val_num = CameraHandler::split_float(output, focus_distances, ',', 3);
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if(val_num == 3)
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{
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return focus_distances[focus_distance_type];
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}
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else
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{
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LOGE("Invalid focus distances.");
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}
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}
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#endif
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return -1;
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}
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static int getModeNum(const char** modes, const int modes_num, const char* mode_name)
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{
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for (int i = 0; i < modes_num; i++){
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if(!strcmp(modes[i],mode_name))
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return i;
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}
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return -1;
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}
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public:
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CameraHandler(CameraCallback callback = 0, void* _userData = 0):
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cameraId(0),
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cameraCallback(callback),
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userData(_userData),
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emptyCameraCallbackReported(0)
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{
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LOGD("Instantiated new CameraHandler (%p, %p)", callback, _userData);
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}
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virtual ~CameraHandler()
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{
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LOGD("CameraHandler destructor is called");
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}
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virtual void notify(int32_t msgType, int32_t ext1, int32_t ext2)
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{
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LOGE("CameraHandler::Notify: msgType=%d ext1=%d ext2=%d\n", msgType, ext1, ext2);
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#if 0
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if ( msgType & CAMERA_MSG_FOCUS )
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LOGE("CameraHandler::Notify AutoFocus %s in %llu us\n", (ext1) ? "OK" : "FAIL", timevalDelay(&autofocus_start));
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if ( msgType & CAMERA_MSG_SHUTTER )
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LOGE("CameraHandler::Notify Shutter done in %llu us\n", timeval_delay(&picture_start));
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#endif
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}
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virtual void postData(int32_t msgType, const sp<IMemory>& dataPtr
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#if defined(ANDROID_r4_0_0) || defined(ANDROID_r4_0_3) || defined(ANDROID_r4_1_1) || defined(ANDROID_r4_2_0) \
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|| defined(ANDROID_r4_3_0) || defined(ANDROID_r4_4_0)
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,camera_frame_metadata_t*
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#endif
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)
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{
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debugShowFPS();
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if ( msgType & CAMERA_MSG_PREVIEW_FRAME )
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{
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doCall(dataPtr);
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return;
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}
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//if (msgType != CAMERA_MSG_PREVIEW_FRAME)
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//LOGE("CameraHandler::postData Recieved message %d is not equal to CAMERA_MSG_PREVIEW_FRAME (%d)", (int) msgType, CAMERA_MSG_PREVIEW_FRAME);
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if ( msgType & CAMERA_MSG_RAW_IMAGE )
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LOGE("CameraHandler::postData Unexpected data format: RAW\n");
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if (msgType & CAMERA_MSG_POSTVIEW_FRAME)
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LOGE("CameraHandler::postData Unexpected data format: Postview frame\n");
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if (msgType & CAMERA_MSG_COMPRESSED_IMAGE )
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LOGE("CameraHandler::postData Unexpected data format: JPEG");
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}
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static CameraHandler* initCameraConnect(const CameraCallback& callback, int cameraId, void* userData, CameraParameters* prevCameraParameters);
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void closeCameraConnect();
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double getProperty(int propIdx);
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void setProperty(int propIdx, double value);
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static void applyProperties(CameraHandler** ppcameraHandler);
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std::string cameraPropertySupportedPreviewSizesString;
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std::string cameraPropertyPreviewFormatString;
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};
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const char* CameraHandler::flashModesNames[ANDROID_CAMERA_FLASH_MODES_NUM] =
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{
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CameraParameters::FLASH_MODE_AUTO,
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CameraParameters::FLASH_MODE_OFF,
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CameraParameters::FLASH_MODE_ON,
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CameraParameters::FLASH_MODE_RED_EYE,
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CameraParameters::FLASH_MODE_TORCH
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};
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const char* CameraHandler::focusModesNames[ANDROID_CAMERA_FOCUS_MODES_NUM] =
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{
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CameraParameters::FOCUS_MODE_AUTO,
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#if !defined(ANDROID_r2_2_0)
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CameraParameters::FOCUS_MODE_CONTINUOUS_VIDEO,
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#endif
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CameraParameters::FOCUS_MODE_EDOF,
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CameraParameters::FOCUS_MODE_FIXED,
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CameraParameters::FOCUS_MODE_INFINITY
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};
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const char* CameraHandler::whiteBalanceModesNames[ANDROID_CAMERA_WHITE_BALANCE_MODES_NUM] =
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{
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CameraParameters::WHITE_BALANCE_AUTO,
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CameraParameters::WHITE_BALANCE_CLOUDY_DAYLIGHT,
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CameraParameters::WHITE_BALANCE_DAYLIGHT,
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CameraParameters::WHITE_BALANCE_FLUORESCENT,
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CameraParameters::WHITE_BALANCE_INCANDESCENT,
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CameraParameters::WHITE_BALANCE_SHADE,
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CameraParameters::WHITE_BALANCE_TWILIGHT
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};
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const char* CameraHandler::antibandingModesNames[ANDROID_CAMERA_ANTIBANDING_MODES_NUM] =
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{
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CameraParameters::ANTIBANDING_50HZ,
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CameraParameters::ANTIBANDING_60HZ,
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CameraParameters::ANTIBANDING_AUTO
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};
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CameraHandler* CameraHandler::initCameraConnect(const CameraCallback& callback, int cameraId, void* userData, CameraParameters* prevCameraParameters)
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{
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typedef sp<Camera> (*Android22ConnectFuncType)();
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typedef sp<Camera> (*Android23ConnectFuncType)(int);
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typedef sp<Camera> (*Android3DConnectFuncType)(int, int);
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typedef sp<Camera> (*Android43ConnectFuncType)(int, const String16&, int);
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const int ANY_CAMERA_INDEX = -1;
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const int BACK_CAMERA_INDEX = 99;
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const int FRONT_CAMERA_INDEX = 98;
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enum {
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CAMERA_SUPPORT_MODE_2D = 0x01, /* Camera Sensor supports 2D mode. */
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CAMERA_SUPPORT_MODE_3D = 0x02, /* Camera Sensor supports 3D mode. */
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CAMERA_SUPPORT_MODE_NONZSL = 0x04, /* Camera Sensor in NON-ZSL mode. */
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CAMERA_SUPPORT_MODE_ZSL = 0x08 /* Camera Sensor supports ZSL mode. */
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};
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// used for Android 4.3
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enum {
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USE_CALLING_UID = -1
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};
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const char Android22ConnectName[] = "_ZN7android6Camera7connectEv";
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const char Android23ConnectName[] = "_ZN7android6Camera7connectEi";
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const char Android3DConnectName[] = "_ZN7android6Camera7connectEii";
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const char Android43ConnectName[] = "_ZN7android6Camera7connectEiRKNS_8String16Ei";
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int localCameraIndex = cameraId;
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if (cameraId == ANY_CAMERA_INDEX)
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{
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localCameraIndex = 0;
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}
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#if !defined(ANDROID_r2_2_0)
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else if (cameraId == BACK_CAMERA_INDEX)
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{
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LOGD("Back camera selected");
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for (int i = 0; i < Camera::getNumberOfCameras(); i++)
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{
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CameraInfo info;
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Camera::getCameraInfo(i, &info);
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if (info.facing == CAMERA_FACING_BACK)
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{
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localCameraIndex = i;
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break;
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}
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}
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}
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else if (cameraId == FRONT_CAMERA_INDEX)
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{
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LOGD("Front camera selected");
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for (int i = 0; i < Camera::getNumberOfCameras(); i++)
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{
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CameraInfo info;
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Camera::getCameraInfo(i, &info);
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if (info.facing == CAMERA_FACING_FRONT)
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{
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localCameraIndex = i;
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break;
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}
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}
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}
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if (localCameraIndex == BACK_CAMERA_INDEX)
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{
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LOGE("Back camera not found!");
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return NULL;
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}
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else if (localCameraIndex == FRONT_CAMERA_INDEX)
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{
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LOGE("Front camera not found!");
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return NULL;
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}
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#endif
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LOGD("CameraHandler::initCameraConnect(%p, %d, %p, %p)", callback, localCameraIndex, userData, prevCameraParameters);
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sp<Camera> camera = 0;
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void* CameraHALHandle = dlopen("libcamera_client.so", RTLD_LAZY);
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if (!CameraHALHandle)
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{
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LOGE("Cannot link to \"libcamera_client.so\"");
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return NULL;
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}
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|
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// reset errors
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dlerror();
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|
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if (Android22ConnectFuncType Android22Connect = (Android22ConnectFuncType)dlsym(CameraHALHandle, Android22ConnectName))
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{
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LOGD("Connecting to CameraService v 2.2");
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camera = Android22Connect();
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}
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else if (Android23ConnectFuncType Android23Connect = (Android23ConnectFuncType)dlsym(CameraHALHandle, Android23ConnectName))
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{
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LOGD("Connecting to CameraService v 2.3");
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camera = Android23Connect(localCameraIndex);
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}
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else if (Android3DConnectFuncType Android3DConnect = (Android3DConnectFuncType)dlsym(CameraHALHandle, Android3DConnectName))
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{
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|
LOGD("Connecting to CameraService v 3D");
|
|
camera = Android3DConnect(localCameraIndex, CAMERA_SUPPORT_MODE_2D);
|
|
}
|
|
else if (Android43ConnectFuncType Android43Connect = (Android43ConnectFuncType)dlsym(CameraHALHandle, Android43ConnectName))
|
|
{
|
|
std::string currentProcName = getProcessName();
|
|
LOGD("Current process name for camera init: %s", currentProcName.c_str());
|
|
camera = Android43Connect(localCameraIndex, String16(currentProcName.c_str()), USE_CALLING_UID);
|
|
}
|
|
else
|
|
{
|
|
dlclose(CameraHALHandle);
|
|
LOGE("Cannot connect to CameraService. Connect method was not found!");
|
|
return NULL;
|
|
}
|
|
|
|
dlclose(CameraHALHandle);
|
|
|
|
if ( 0 == camera.get() )
|
|
{
|
|
LOGE("initCameraConnect: Unable to connect to CameraService\n");
|
|
return 0;
|
|
}
|
|
|
|
CameraHandler* handler = new CameraHandler(callback, userData);
|
|
camera->setListener(handler);
|
|
|
|
handler->camera = camera;
|
|
handler->cameraId = localCameraIndex;
|
|
|
|
if (prevCameraParameters != NULL)
|
|
{
|
|
LOGI("initCameraConnect: Setting paramers from previous camera handler");
|
|
camera->setParameters(prevCameraParameters->flatten());
|
|
handler->params.unflatten(prevCameraParameters->flatten());
|
|
}
|
|
else
|
|
{
|
|
android::String8 params_str = camera->getParameters();
|
|
LOGI("initCameraConnect: [%s]", params_str.string());
|
|
|
|
handler->params.unflatten(params_str);
|
|
|
|
LOGD("Supported Cameras: %s", handler->params.get("camera-indexes"));
|
|
LOGD("Supported Picture Sizes: %s", handler->params.get(CameraParameters::KEY_SUPPORTED_PICTURE_SIZES));
|
|
LOGD("Supported Picture Formats: %s", handler->params.get(CameraParameters::KEY_SUPPORTED_PICTURE_FORMATS));
|
|
LOGD("Supported Preview Sizes: %s", handler->params.get(CameraParameters::KEY_SUPPORTED_PREVIEW_SIZES));
|
|
LOGD("Supported Preview Formats: %s", handler->params.get(CameraParameters::KEY_SUPPORTED_PREVIEW_FORMATS));
|
|
LOGD("Supported Preview Frame Rates: %s", handler->params.get(CameraParameters::KEY_SUPPORTED_PREVIEW_FRAME_RATES));
|
|
LOGD("Supported Thumbnail Sizes: %s", handler->params.get(CameraParameters::KEY_SUPPORTED_JPEG_THUMBNAIL_SIZES));
|
|
LOGD("Supported Whitebalance Modes: %s", handler->params.get(CameraParameters::KEY_SUPPORTED_WHITE_BALANCE));
|
|
LOGD("Supported Effects: %s", handler->params.get(CameraParameters::KEY_SUPPORTED_EFFECTS));
|
|
LOGD("Supported Scene Modes: %s", handler->params.get(CameraParameters::KEY_SUPPORTED_SCENE_MODES));
|
|
LOGD("Supported Focus Modes: %s", handler->params.get(CameraParameters::KEY_SUPPORTED_FOCUS_MODES));
|
|
LOGD("Supported Antibanding Options: %s", handler->params.get(CameraParameters::KEY_SUPPORTED_ANTIBANDING));
|
|
LOGD("Supported Flash Modes: %s", handler->params.get(CameraParameters::KEY_SUPPORTED_FLASH_MODES));
|
|
|
|
#if !defined(ANDROID_r2_2_0)
|
|
// Set focus mode to continuous-video if supported
|
|
const char* available_focus_modes = handler->params.get(CameraParameters::KEY_SUPPORTED_FOCUS_MODES);
|
|
if (available_focus_modes != 0)
|
|
{
|
|
if (strstr(available_focus_modes, "continuous-video") != NULL)
|
|
{
|
|
handler->params.set(CameraParameters::KEY_FOCUS_MODE, CameraParameters::FOCUS_MODE_CONTINUOUS_VIDEO);
|
|
|
|
status_t resParams = handler->camera->setParameters(handler->params.flatten());
|
|
|
|
if (resParams != 0)
|
|
{
|
|
LOGE("initCameraConnect: failed to set autofocus mode to \"continuous-video\"");
|
|
}
|
|
else
|
|
{
|
|
LOGD("initCameraConnect: autofocus is set to mode \"continuous-video\"");
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
//check if yuv420sp format available. Set this format as preview format.
|
|
const char* available_formats = handler->params.get(CameraParameters::KEY_SUPPORTED_PREVIEW_FORMATS);
|
|
if (available_formats != 0)
|
|
{
|
|
const char* format_to_set = 0;
|
|
const char* pos = available_formats;
|
|
const char* ptr = pos;
|
|
while(true)
|
|
{
|
|
while(*ptr != 0 && *ptr != ',') ++ptr;
|
|
if (ptr != pos)
|
|
{
|
|
if (0 == strncmp(pos, "yuv420sp", ptr - pos))
|
|
{
|
|
format_to_set = "yuv420sp";
|
|
break;
|
|
}
|
|
if (0 == strncmp(pos, "yvu420sp", ptr - pos))
|
|
format_to_set = "yvu420sp";
|
|
}
|
|
if (*ptr == 0)
|
|
break;
|
|
pos = ++ptr;
|
|
}
|
|
|
|
if (0 != format_to_set)
|
|
{
|
|
handler->params.setPreviewFormat(format_to_set);
|
|
|
|
status_t resParams = handler->camera->setParameters(handler->params.flatten());
|
|
|
|
if (resParams != 0)
|
|
LOGE("initCameraConnect: failed to set preview format to %s", format_to_set);
|
|
else
|
|
LOGD("initCameraConnect: preview format is set to %s", format_to_set);
|
|
}
|
|
}
|
|
}
|
|
|
|
status_t bufferStatus;
|
|
#if defined(ANDROID_r2_2_0)
|
|
bufferStatus = camera->setPreviewDisplay(sp<ISurface>(0 /*new DummySurface*/));
|
|
if (bufferStatus != 0)
|
|
LOGE("initCameraConnect: failed setPreviewDisplay(0) call (status %d); camera might not work correctly on some devices", bufferStatus);
|
|
#elif defined(ANDROID_r2_3_3)
|
|
/* Do nothing in case of 2.3 for now */
|
|
#elif defined(ANDROID_r3_0_1) || defined(ANDROID_r4_0_0) || defined(ANDROID_r4_0_3)
|
|
sp<SurfaceTexture> surfaceTexture = new SurfaceTexture(MAGIC_OPENCV_TEXTURE_ID);
|
|
bufferStatus = camera->setPreviewTexture(surfaceTexture);
|
|
if (bufferStatus != 0)
|
|
LOGE("initCameraConnect: failed setPreviewTexture call (status %d); camera might not work correctly", bufferStatus);
|
|
#elif defined(ANDROID_r4_1_1) || defined(ANDROID_r4_2_0) || defined(ANDROID_r4_3_0)
|
|
sp<BufferQueue> bufferQueue = new BufferQueue();
|
|
sp<BufferQueue::ConsumerListener> queueListener = new ConsumerListenerStub();
|
|
bufferQueue->consumerConnect(queueListener);
|
|
bufferStatus = camera->setPreviewTexture(bufferQueue);
|
|
if (bufferStatus != 0)
|
|
LOGE("initCameraConnect: failed setPreviewTexture call; camera might not work correctly");
|
|
# elif defined(ANDROID_r4_4_0)
|
|
sp<BufferQueue> bufferQueue = new BufferQueue();
|
|
sp<IConsumerListener> queueListener = new ConsumerListenerStub();
|
|
bufferQueue->consumerConnect(queueListener, true);
|
|
bufferStatus = handler->camera->setPreviewTarget(bufferQueue);
|
|
if (bufferStatus != 0)
|
|
LOGE("applyProperties: failed setPreviewTexture call; camera might not work correctly");
|
|
# endif
|
|
|
|
#if (defined(ANDROID_r2_2_0) || defined(ANDROID_r2_3_3) || defined(ANDROID_r3_0_1))
|
|
# if 1
|
|
////ATTENTION: switching between two versions: with and without copying memory inside Android OS
|
|
//// see the method CameraService::Client::copyFrameAndPostCopiedFrame and where it is used
|
|
camera->setPreviewCallbackFlags( FRAME_CALLBACK_FLAG_ENABLE_MASK | FRAME_CALLBACK_FLAG_COPY_OUT_MASK);//with copy
|
|
# else
|
|
camera->setPreviewCallbackFlags( FRAME_CALLBACK_FLAG_ENABLE_MASK );//without copy
|
|
# endif
|
|
#else
|
|
camera->setPreviewCallbackFlags( CAMERA_FRAME_CALLBACK_FLAG_ENABLE_MASK | CAMERA_FRAME_CALLBACK_FLAG_COPY_OUT_MASK);//with copy
|
|
#endif //!(defined(ANDROID_r4_0_0) || defined(ANDROID_r4_0_3))
|
|
|
|
LOGD("Starting preview");
|
|
status_t previewStatus = camera->startPreview();
|
|
|
|
if (previewStatus != 0)
|
|
{
|
|
LOGE("initCameraConnect: startPreview() fails. Closing camera connection...");
|
|
handler->closeCameraConnect();
|
|
handler = 0;
|
|
}
|
|
else
|
|
{
|
|
LOGD("Preview started successfully");
|
|
}
|
|
|
|
return handler;
|
|
}
|
|
|
|
void CameraHandler::closeCameraConnect()
|
|
{
|
|
if (camera == NULL)
|
|
{
|
|
LOGI("... camera is already NULL");
|
|
return;
|
|
}
|
|
|
|
camera->stopPreview();
|
|
#if defined(ANDROID_r4_0_0) || defined(ANDROID_r4_0_3) || defined(ANDROID_r4_1_1) || defined(ANDROID_r4_2_0) \
|
|
|| defined(ANDROID_r4_3_0) || defined(ANDROID_r4_4_0)
|
|
camera->setPreviewCallbackFlags(CAMERA_FRAME_CALLBACK_FLAG_NOOP);
|
|
#endif
|
|
camera->disconnect();
|
|
camera.clear();
|
|
camera=NULL;
|
|
// ATTENTION!!!!!!!!!!!!!!!!!!!!!!!!!!
|
|
// When we set
|
|
// camera=NULL
|
|
// above, the pointed instance of android::Camera object is destructed,
|
|
// since this member `camera' has type android::sp<Camera> (android smart pointer template class),
|
|
// and this is the only pointer to it.
|
|
//
|
|
// BUT this instance of CameraHandler is set as a listener for that android::Camera object
|
|
// (see the function CameraHandler::initCameraConnect above),
|
|
// so this instance of CameraHandler is pointed from that android::Camera object as
|
|
// sp<CameraListener> mListener
|
|
// and there is no other android smart pointers to this.
|
|
//
|
|
// It means, when that instance of the android::Camera object is destructed,
|
|
// it calls destructor for this CameraHandler instance too.
|
|
//
|
|
// So, this line `camera=NULL' causes to the call `delete this'
|
|
// (see destructor of the template class android::sp)
|
|
//
|
|
// So, we must not call `delete this' after the line, since it just has been called indeed
|
|
}
|
|
|
|
double CameraHandler::getProperty(int propIdx)
|
|
{
|
|
LOGD("CameraHandler::getProperty(%d)", propIdx);
|
|
|
|
switch (propIdx)
|
|
{
|
|
case ANDROID_CAMERA_PROPERTY_FRAMEWIDTH:
|
|
{
|
|
int w,h;
|
|
params.getPreviewSize(&w, &h);
|
|
return w;
|
|
}
|
|
case ANDROID_CAMERA_PROPERTY_FRAMEHEIGHT:
|
|
{
|
|
int w,h;
|
|
params.getPreviewSize(&w, &h);
|
|
return h;
|
|
}
|
|
case ANDROID_CAMERA_PROPERTY_SUPPORTED_PREVIEW_SIZES_STRING:
|
|
{
|
|
cameraPropertySupportedPreviewSizesString = params.get(CameraParameters::KEY_SUPPORTED_PREVIEW_SIZES);
|
|
union {const char* str;double res;} u;
|
|
memset(&u.res, 0, sizeof(u.res));
|
|
u.str = cameraPropertySupportedPreviewSizesString.c_str();
|
|
return u.res;
|
|
}
|
|
case ANDROID_CAMERA_PROPERTY_PREVIEW_FORMAT_STRING:
|
|
{
|
|
const char* fmt = params.get(CameraParameters::KEY_PREVIEW_FORMAT);
|
|
if (fmt == CameraParameters::PIXEL_FORMAT_YUV422SP)
|
|
fmt = "yuv422sp";
|
|
else if (fmt == CameraParameters::PIXEL_FORMAT_YUV420SP)
|
|
fmt = "yuv420sp";
|
|
else if (fmt == CameraParameters::PIXEL_FORMAT_YUV422I)
|
|
fmt = "yuv422i";
|
|
else if (fmt == CameraParameters::PIXEL_FORMAT_RGB565)
|
|
fmt = "rgb565";
|
|
else if (fmt == CameraParameters::PIXEL_FORMAT_JPEG)
|
|
fmt = "jpeg";
|
|
cameraPropertyPreviewFormatString = fmt;
|
|
|
|
union {const char* str;double res;} u;
|
|
memset(&u.res, 0, sizeof(u.res));
|
|
u.str = cameraPropertyPreviewFormatString.c_str();
|
|
return u.res;
|
|
}
|
|
case ANDROID_CAMERA_PROPERTY_EXPOSURE:
|
|
{
|
|
int exposure = params.getInt(CameraParameters::KEY_EXPOSURE_COMPENSATION);
|
|
return exposure;
|
|
}
|
|
case ANDROID_CAMERA_PROPERTY_FPS:
|
|
{
|
|
return params.getPreviewFrameRate();
|
|
}
|
|
case ANDROID_CAMERA_PROPERTY_FLASH_MODE:
|
|
{
|
|
int flash_mode = getModeNum(CameraHandler::flashModesNames,
|
|
ANDROID_CAMERA_FLASH_MODES_NUM,
|
|
params.get(CameraParameters::KEY_FLASH_MODE));
|
|
return flash_mode;
|
|
}
|
|
case ANDROID_CAMERA_PROPERTY_FOCUS_MODE:
|
|
{
|
|
int focus_mode = getModeNum(CameraHandler::focusModesNames,
|
|
ANDROID_CAMERA_FOCUS_MODES_NUM,
|
|
params.get(CameraParameters::KEY_FOCUS_MODE));
|
|
return focus_mode;
|
|
}
|
|
case ANDROID_CAMERA_PROPERTY_WHITE_BALANCE:
|
|
{
|
|
int white_balance = getModeNum(CameraHandler::whiteBalanceModesNames,
|
|
ANDROID_CAMERA_WHITE_BALANCE_MODES_NUM,
|
|
params.get(CameraParameters::KEY_WHITE_BALANCE));
|
|
return white_balance;
|
|
}
|
|
case ANDROID_CAMERA_PROPERTY_ANTIBANDING:
|
|
{
|
|
int antibanding = getModeNum(CameraHandler::antibandingModesNames,
|
|
ANDROID_CAMERA_ANTIBANDING_MODES_NUM,
|
|
params.get(CameraParameters::KEY_ANTIBANDING));
|
|
return antibanding;
|
|
}
|
|
case ANDROID_CAMERA_PROPERTY_FOCAL_LENGTH:
|
|
{
|
|
float focal_length = params.getFloat(CameraParameters::KEY_FOCAL_LENGTH);
|
|
return focal_length;
|
|
}
|
|
case ANDROID_CAMERA_PROPERTY_FOCUS_DISTANCE_NEAR:
|
|
{
|
|
return getFocusDistance(ANDROID_CAMERA_FOCUS_DISTANCE_NEAR_INDEX);
|
|
}
|
|
case ANDROID_CAMERA_PROPERTY_FOCUS_DISTANCE_OPTIMAL:
|
|
{
|
|
return getFocusDistance(ANDROID_CAMERA_FOCUS_DISTANCE_OPTIMAL_INDEX);
|
|
}
|
|
case ANDROID_CAMERA_PROPERTY_FOCUS_DISTANCE_FAR:
|
|
{
|
|
return getFocusDistance(ANDROID_CAMERA_FOCUS_DISTANCE_FAR_INDEX);
|
|
}
|
|
default:
|
|
LOGW("CameraHandler::getProperty - Unsupported property.");
|
|
};
|
|
return -1;
|
|
}
|
|
|
|
void CameraHandler::setProperty(int propIdx, double value)
|
|
{
|
|
LOGD("CameraHandler::setProperty(%d, %f)", propIdx, value);
|
|
|
|
switch (propIdx)
|
|
{
|
|
case ANDROID_CAMERA_PROPERTY_FRAMEWIDTH:
|
|
{
|
|
int w,h;
|
|
params.getPreviewSize(&w, &h);
|
|
w = (int)value;
|
|
params.setPreviewSize(w, h);
|
|
}
|
|
break;
|
|
case ANDROID_CAMERA_PROPERTY_FRAMEHEIGHT:
|
|
{
|
|
int w,h;
|
|
params.getPreviewSize(&w, &h);
|
|
h = (int)value;
|
|
params.setPreviewSize(w, h);
|
|
}
|
|
break;
|
|
case ANDROID_CAMERA_PROPERTY_EXPOSURE:
|
|
{
|
|
int max_exposure = params.getInt("max-exposure-compensation");
|
|
int min_exposure = params.getInt("min-exposure-compensation");
|
|
if(max_exposure && min_exposure){
|
|
int exposure = (int)value;
|
|
if(exposure >= min_exposure && exposure <= max_exposure){
|
|
params.set("exposure-compensation", exposure);
|
|
} else {
|
|
LOGE("Exposure compensation not in valid range (%i,%i).", min_exposure, max_exposure);
|
|
}
|
|
} else {
|
|
LOGE("Exposure compensation adjust is not supported.");
|
|
}
|
|
}
|
|
break;
|
|
case ANDROID_CAMERA_PROPERTY_FLASH_MODE:
|
|
{
|
|
int new_val = (int)value;
|
|
if(new_val >= 0 && new_val < ANDROID_CAMERA_FLASH_MODES_NUM){
|
|
const char* mode_name = flashModesNames[new_val];
|
|
if(is_supported(CameraParameters::KEY_SUPPORTED_FLASH_MODES, mode_name))
|
|
params.set(CameraParameters::KEY_FLASH_MODE, mode_name);
|
|
else
|
|
LOGE("Flash mode %s is not supported.", mode_name);
|
|
} else {
|
|
LOGE("Flash mode value not in valid range.");
|
|
}
|
|
}
|
|
break;
|
|
case ANDROID_CAMERA_PROPERTY_FOCUS_MODE:
|
|
{
|
|
int new_val = (int)value;
|
|
if(new_val >= 0 && new_val < ANDROID_CAMERA_FOCUS_MODES_NUM){
|
|
const char* mode_name = focusModesNames[new_val];
|
|
if(is_supported(CameraParameters::KEY_SUPPORTED_FOCUS_MODES, mode_name))
|
|
params.set(CameraParameters::KEY_FOCUS_MODE, mode_name);
|
|
else
|
|
LOGE("Focus mode %s is not supported.", mode_name);
|
|
} else {
|
|
LOGE("Focus mode value not in valid range.");
|
|
}
|
|
}
|
|
break;
|
|
case ANDROID_CAMERA_PROPERTY_WHITE_BALANCE:
|
|
{
|
|
int new_val = (int)value;
|
|
if(new_val >= 0 && new_val < ANDROID_CAMERA_WHITE_BALANCE_MODES_NUM){
|
|
const char* mode_name = whiteBalanceModesNames[new_val];
|
|
if(is_supported(CameraParameters::KEY_SUPPORTED_WHITE_BALANCE, mode_name))
|
|
params.set(CameraParameters::KEY_WHITE_BALANCE, mode_name);
|
|
else
|
|
LOGE("White balance mode %s is not supported.", mode_name);
|
|
} else {
|
|
LOGE("White balance mode value not in valid range.");
|
|
}
|
|
}
|
|
break;
|
|
case ANDROID_CAMERA_PROPERTY_ANTIBANDING:
|
|
{
|
|
int new_val = (int)value;
|
|
if(new_val >= 0 && new_val < ANDROID_CAMERA_ANTIBANDING_MODES_NUM){
|
|
const char* mode_name = antibandingModesNames[new_val];
|
|
if(is_supported(CameraParameters::KEY_SUPPORTED_ANTIBANDING, mode_name))
|
|
params.set(CameraParameters::KEY_ANTIBANDING, mode_name);
|
|
else
|
|
LOGE("Antibanding mode %s is not supported.", mode_name);
|
|
} else {
|
|
LOGE("Antibanding mode value not in valid range.");
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
LOGW("CameraHandler::setProperty - Unsupported property.");
|
|
};
|
|
}
|
|
|
|
void CameraHandler::applyProperties(CameraHandler** ppcameraHandler)
|
|
{
|
|
LOGD("CameraHandler::applyProperties()");
|
|
|
|
if (ppcameraHandler == 0)
|
|
{
|
|
LOGE("applyProperties: Passed NULL ppcameraHandler");
|
|
return;
|
|
}
|
|
|
|
if (*ppcameraHandler == 0)
|
|
{
|
|
LOGE("applyProperties: Passed NULL *ppcameraHandler");
|
|
return;
|
|
}
|
|
|
|
CameraParameters curCameraParameters((*ppcameraHandler)->params.flatten());
|
|
|
|
#if defined(ANDROID_r4_0_0) || defined(ANDROID_r4_0_3) || defined(ANDROID_r4_1_1) || defined(ANDROID_r4_2_0) \
|
|
|| defined(ANDROID_r4_3_0) || defined(ANDROID_r4_4_0)
|
|
CameraHandler* handler=*ppcameraHandler;
|
|
|
|
handler->camera->stopPreview();
|
|
handler->camera->setPreviewCallbackFlags(CAMERA_FRAME_CALLBACK_FLAG_NOOP);
|
|
|
|
status_t reconnectStatus = handler->camera->reconnect();
|
|
if (reconnectStatus != 0)
|
|
{
|
|
LOGE("applyProperties: failed to reconnect camera (status %d)", reconnectStatus);
|
|
return;
|
|
}
|
|
|
|
handler->camera->setParameters(curCameraParameters.flatten());
|
|
handler->params.unflatten(curCameraParameters.flatten());
|
|
|
|
status_t bufferStatus;
|
|
# if defined(ANDROID_r4_0_0) || defined(ANDROID_r4_0_3)
|
|
sp<SurfaceTexture> surfaceTexture = new SurfaceTexture(MAGIC_OPENCV_TEXTURE_ID);
|
|
bufferStatus = handler->camera->setPreviewTexture(surfaceTexture);
|
|
if (bufferStatus != 0)
|
|
LOGE("applyProperties: failed setPreviewTexture call (status %d); camera might not work correctly", bufferStatus);
|
|
# elif defined(ANDROID_r4_1_1) || defined(ANDROID_r4_2_0) || defined(ANDROID_r4_3_0)
|
|
sp<BufferQueue> bufferQueue = new BufferQueue();
|
|
sp<BufferQueue::ConsumerListener> queueListener = new ConsumerListenerStub();
|
|
bufferQueue->consumerConnect(queueListener);
|
|
bufferStatus = handler->camera->setPreviewTexture(bufferQueue);
|
|
if (bufferStatus != 0)
|
|
LOGE("applyProperties: failed setPreviewTexture call; camera might not work correctly");
|
|
# elif defined(ANDROID_r4_4_0)
|
|
sp<BufferQueue> bufferQueue = new BufferQueue();
|
|
sp<IConsumerListener> queueListener = new ConsumerListenerStub();
|
|
bufferQueue->consumerConnect(queueListener, true);
|
|
bufferStatus = handler->camera->setPreviewTarget(bufferQueue);
|
|
if (bufferStatus != 0)
|
|
LOGE("applyProperties: failed setPreviewTexture call; camera might not work correctly");
|
|
# endif
|
|
|
|
handler->camera->setPreviewCallbackFlags( CAMERA_FRAME_CALLBACK_FLAG_ENABLE_MASK | CAMERA_FRAME_CALLBACK_FLAG_COPY_OUT_MASK);//with copy
|
|
|
|
LOGD("Starting preview");
|
|
status_t previewStatus = handler->camera->startPreview();
|
|
|
|
if (previewStatus != 0)
|
|
{
|
|
LOGE("initCameraConnect: startPreview() fails. Closing camera connection...");
|
|
handler->closeCameraConnect();
|
|
handler = NULL;
|
|
}
|
|
else
|
|
{
|
|
LOGD("Preview started successfully");
|
|
}
|
|
#else
|
|
CameraHandler* previousCameraHandler=*ppcameraHandler;
|
|
CameraCallback cameraCallback=previousCameraHandler->cameraCallback;
|
|
void* userData=previousCameraHandler->userData;
|
|
int cameraId=previousCameraHandler->cameraId;
|
|
|
|
LOGD("CameraHandler::applyProperties(): before previousCameraHandler->closeCameraConnect");
|
|
previousCameraHandler->closeCameraConnect();
|
|
LOGD("CameraHandler::applyProperties(): after previousCameraHandler->closeCameraConnect");
|
|
|
|
LOGD("CameraHandler::applyProperties(): before initCameraConnect");
|
|
CameraHandler* handler=initCameraConnect(cameraCallback, cameraId, userData, &curCameraParameters);
|
|
LOGD("CameraHandler::applyProperties(): after initCameraConnect, handler=0x%x", (int)handler);
|
|
if (handler == NULL) {
|
|
LOGE("ERROR in applyProperties --- cannot reinit camera");
|
|
handler=initCameraConnect(cameraCallback, cameraId, userData, NULL);
|
|
LOGD("CameraHandler::applyProperties(): repeate initCameraConnect after ERROR, handler=0x%x", (int)handler);
|
|
if (handler == NULL) {
|
|
LOGE("ERROR in applyProperties --- cannot reinit camera AGAIN --- cannot do anything else");
|
|
}
|
|
}
|
|
(*ppcameraHandler)=handler;
|
|
#endif
|
|
}
|
|
|
|
|
|
extern "C" {
|
|
|
|
void* initCameraConnectC(void* callback, int cameraId, void* userData)
|
|
{
|
|
return CameraHandler::initCameraConnect((CameraCallback)callback, cameraId, userData, NULL);
|
|
}
|
|
|
|
void closeCameraConnectC(void** camera)
|
|
{
|
|
CameraHandler** cc = (CameraHandler**)camera;
|
|
(*cc)->closeCameraConnect();
|
|
*cc = 0;
|
|
}
|
|
|
|
double getCameraPropertyC(void* camera, int propIdx)
|
|
{
|
|
return ((CameraHandler*)camera)->getProperty(propIdx);
|
|
}
|
|
|
|
void setCameraPropertyC(void* camera, int propIdx, double value)
|
|
{
|
|
((CameraHandler*)camera)->setProperty(propIdx,value);
|
|
}
|
|
|
|
void applyCameraPropertiesC(void** camera)
|
|
{
|
|
CameraHandler::applyProperties((CameraHandler**)camera);
|
|
}
|
|
|
|
}
|