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Refactoring of native camera implementation

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This commit is contained in:
Andrey Kamaev 2011-07-22 15:37:01 +00:00
parent ffe7a658fb
commit 98375e1d4b
1 changed files with 141 additions and 110 deletions
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251
modules/androidcamera/camera_wrapper/camera_wrapper.cpp
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@ -1,5 +1,3 @@
#define USE_RECORDING_INSTEAD_PREVIEW 0
#if !defined(ANDROID_r2_2_2) && !defined(ANDROID_r2_3_3) && !defined(ANDROID_r3_0_1)
#error unsupported version of Android
#endif
@ -9,125 +7,115 @@
#include "../include/camera_properties.h"
#include <string>
//undef logging macro from /system/core/libcutils/loghack.h
#ifdef LOGD
#undef LOGD
#endif
#ifdef LOGI
#undef LOGI
#endif
#ifdef LOGW
#undef LOGW
#endif
#ifdef LOGE
#undef LOGE
#endif
// LOGGING
#include <android/log.h>
#define CAMERA_LOG_TAG "OpenCV_NativeCamera"
#define LOGD(...) ((void)__android_log_print(ANDROID_LOG_DEBUG, CAMERA_LOG_TAG, __VA_ARGS__))
#define LOGI(...) ((void)__android_log_print(ANDROID_LOG_INFO, CAMERA_LOG_TAG, __VA_ARGS__))
#define LOGW(...) ((void)__android_log_print(ANDROID_LOG_WARN, CAMERA_LOG_TAG, __VA_ARGS__))
#define LOGE(...) ((void)__android_log_print(ANDROID_LOG_ERROR, CAMERA_LOG_TAG, __VA_ARGS__))
using namespace android;
void debugShowFPS()
{
static int mFrameCount = 0;
static int mLastFrameCount = 0;
static nsecs_t mLastFpsTime = systemTime();;
static nsecs_t mLastFpsTime = systemTime();
static float mFps = 0;
mFrameCount++;
if ( ( mFrameCount % 30 ) == 0 ) {
nsecs_t now = systemTime();
nsecs_t diff = now - mLastFpsTime;
if (diff==0)
return;
if (( mFrameCount % 30 ) != 0)
return;
mFps = ((mFrameCount - mLastFrameCount) * float(s2ns(1))) / diff;
mLastFpsTime = now;
mLastFrameCount = mFrameCount;
LOGI("####### [%d] Frames, %f FPS", mFrameCount, mFps);
}
nsecs_t now = systemTime();
nsecs_t diff = now - mLastFpsTime;
if (diff==0)
return;
mFps = ((mFrameCount - mLastFrameCount) * float(s2ns(1))) / diff;
mLastFpsTime = now;
mLastFrameCount = mFrameCount;
LOGI("### Camera FPS ### [%d] Frames, %.2f FPS", mFrameCount, mFps);
}
class CameraHandler: public CameraListener
{
protected:
sp<Camera> camera;
CameraCallback cameraCallback;
CameraParameters params;
void* userData;
int cameraId;
sp<Camera> camera;
CameraParameters params;
CameraCallback cameraCallback;
void* userData;
bool isEmptyCameraCallbackReported;
virtual void doCall(void* buffer, size_t bufferSize)
int emptyCameraCallbackReported;
void doCall(void* buffer, size_t bufferSize)
{
if (cameraCallback == 0)
{
if (!isEmptyCameraCallbackReported)
LOGE("Camera callback is empty!");
if (!emptyCameraCallbackReported)
LOGE("CameraHandler::doCall(void*, size_t): Camera callback is empty!");
isEmptyCameraCallbackReported = true;
return;
emptyCameraCallbackReported++;
}
else
{
bool res = (*cameraCallback)(buffer, bufferSize, userData);
bool res = (*cameraCallback)(buffer, bufferSize, userData);
if(!res) closeCameraConnect();
if(!res)
{
LOGE("CameraHandler::doCall(void*, size_t): cameraCallback returns false (camera connection will be closed)");
closeCameraConnect();
}
}
}
virtual void doCall(const sp<IMemory>& dataPtr)
void doCall(const sp<IMemory>& dataPtr)
{
LOGI("doCall started");
if (dataPtr == NULL)
{
LOGE("CameraBuffer: dataPtr==NULL");
LOGE("CameraHandler::doCall(const sp<IMemory>&): dataPtr==NULL (no frame to handle)");
return;
}
size_t size = dataPtr->size();
if (size <= 0)
{
LOGE("CameraBuffer: IMemory object is of zero size");
LOGE("CameraHandler::doCall(const sp<IMemory>&): IMemory object is of zero size");
return;
}
unsigned char* buffer = (unsigned char *)dataPtr->pointer();
void* buffer = (void *)dataPtr->pointer();
if (!buffer)
{
LOGE("CameraBuffer: Buffer pointer is invalid");
LOGE("CameraHandler::doCall(const sp<IMemory>&): Buffer pointer is NULL");
return;
}
doCall(buffer, size);
}
public:
CameraHandler(CameraCallback callback = 0, void* _userData = 0):cameraCallback(callback), userData(_userData), cameraId(0), isEmptyCameraCallbackReported(false) {}
virtual ~CameraHandler()
{
LOGW("CameraHandler destructor is called!");
}
virtual void notify(int32_t msgType, int32_t ext1, int32_t ext2)
{
LOGE("Notify cb: %d %d %d\n", msgType, ext1, ext2);
#if 0
if ( msgType & CAMERA_MSG_FOCUS )
LOGE("AutoFocus %s in %llu us\n", (ext1) ? "OK" : "FAIL", timevalDelay(&autofocus_start));
if ( msgType & CAMERA_MSG_SHUTTER )
LOGE("Shutter done in %llu us\n", timeval_delay(&picture_start));
#endif
}
virtual void postData(int32_t msgType, const sp<IMemory>& dataPtr)
{
debugShowFPS();
if ( msgType & CAMERA_MSG_PREVIEW_FRAME )
{
doCall(dataPtr);
return;
}
if (msgType != CAMERA_MSG_PREVIEW_FRAME)
LOGE("Recieved not CAMERA_MSG_PREVIEW_FRAME message %d", (int) msgType);
if ( msgType & CAMERA_MSG_RAW_IMAGE )
LOGE("Unexpected data format: RAW\n");
if (msgType & CAMERA_MSG_POSTVIEW_FRAME)
LOGE("Unexpected data format: Postview frame\n");
if (msgType & CAMERA_MSG_COMPRESSED_IMAGE )
LOGE("Unexpected data format: JPEG");
}
virtual void postDataTimestamp(nsecs_t timestamp, int32_t msgType, const sp<IMemory>& dataPtr)
{
static uint32_t count = 0;
@ -152,6 +140,56 @@ public:
camera->releaseRecordingFrame(dataPtr);
}
public:
CameraHandler(CameraCallback callback = 0, void* _userData = 0):
cameraId(0),
cameraCallback(callback),
userData(_userData),
emptyCameraCallbackReported(0)
{
LOGD("Instantiated new CameraHandler (%p, %p)", callback, _userData);
}
virtual ~CameraHandler()
{
LOGD("CameraHandler destructor is called");
}
virtual void notify(int32_t msgType, int32_t ext1, int32_t ext2)
{
LOGE("CameraHandler::Notify: msgType=%d ext1=%d ext2=%d\n", msgType, ext1, ext2);
#if 0
if ( msgType & CAMERA_MSG_FOCUS )
LOGE("CameraHandler::Notify AutoFocus %s in %llu us\n", (ext1) ? "OK" : "FAIL", timevalDelay(&autofocus_start));
if ( msgType & CAMERA_MSG_SHUTTER )
LOGE("CameraHandler::Notify Shutter done in %llu us\n", timeval_delay(&picture_start));
#endif
}
virtual void postData(int32_t msgType, const sp<IMemory>& dataPtr)
{
debugShowFPS();
if ( msgType & CAMERA_MSG_PREVIEW_FRAME )
{
doCall(dataPtr);
return;
}
if (msgType != CAMERA_MSG_PREVIEW_FRAME)
LOGE("CameraHandler::postData Recieved message %d is not equal to CAMERA_MSG_PREVIEW_FRAME (%d)", (int) msgType, CAMERA_MSG_PREVIEW_FRAME);
if ( msgType & CAMERA_MSG_RAW_IMAGE )
LOGE("CameraHandler::postData Unexpected data format: RAW\n");
if (msgType & CAMERA_MSG_POSTVIEW_FRAME)
LOGE("CameraHandler::postData Unexpected data format: Postview frame\n");
if (msgType & CAMERA_MSG_COMPRESSED_IMAGE )
LOGE("CameraHandler::postData Unexpected data format: JPEG");
}
static CameraHandler* initCameraConnect(const CameraCallback& callback, int cameraId, void* userData, CameraParameters* prevCameraParameters);
void closeCameraConnect();
double getProperty(int propIdx);
@ -164,11 +202,7 @@ public:
CameraHandler* CameraHandler::initCameraConnect(const CameraCallback& callback, int cameraId, void* userData, CameraParameters* prevCameraParameters)
{
// if (camera != NULL)
// {
// LOGE("initCameraConnect: camera have been connected already");
// return false;
// }
LOGD("CameraHandler::initCameraConnect(%p, %d, %p, %p)", callback, cameraId, userData, prevCameraParameters);
sp<Camera> camera = 0;
@ -179,7 +213,7 @@ CameraHandler* CameraHandler::initCameraConnect(const CameraCallback& callback,
camera = Camera::connect(cameraId);
#endif
if ( NULL == camera.get() )
if ( 0 == camera.get() )
{
LOGE("initCameraConnect: Unable to connect to CameraService\n");
return 0;
@ -189,15 +223,18 @@ CameraHandler* CameraHandler::initCameraConnect(const CameraCallback& callback,
camera->setListener(handler);
handler->camera = camera;
handler->cameraId=cameraId;
#if 1
//setting paramers from previous camera handler
if (prevCameraParameters != NULL) {
camera->setParameters(prevCameraParameters->flatten());
}
#endif
handler->params.unflatten(camera->getParameters());
handler->cameraId = cameraId;
if (prevCameraParameters != 0)
{
LOGI("initCameraConnect: Setting paramers from previous camera handler");
camera->setParameters(prevCameraParameters->flatten());
}
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));
@ -216,9 +253,11 @@ CameraHandler* CameraHandler::initCameraConnect(const CameraCallback& callback,
//TODO: check if yuv420i format available. Set this format as preview format.
#if USE_RECORDING_INSTEAD_PREVIEW
status_t err = camera->setPreviewDisplay(sp<ISurface>(NULL /*new DummySurface1*/));
#endif
status_t pdstatus = camera->setPreviewDisplay(sp<ISurface>(0 /*new DummySurface*/));
if (pdstatus != 0)
{
LOGE("initCameraConnect: failed setPreviewDisplay(0) call; camera migth not work correcttly on some devices");
}
////ATTENTION: switching between two versions: with and without copying memory inside Android OS
//// see the method CameraService::Client::copyFrameAndPostCopiedFrame and where it is used
@ -228,17 +267,15 @@ CameraHandler* CameraHandler::initCameraConnect(const CameraCallback& callback,
camera->setPreviewCallbackFlags( FRAME_CALLBACK_FLAG_ENABLE_MASK );//without copy
#endif
#if USE_RECORDING_INSTEAD_PREVIEW
status_t resStart = camera->startRecording();
#else
status_t resStart = camera->startPreview();
#endif
if (resStart != 0)
{
LOGE("initCameraConnect: startPreview() fails. Closing camera connection...");
handler->closeCameraConnect();
handler = 0;
}
return handler;
}
@ -246,17 +283,11 @@ void CameraHandler::closeCameraConnect()
{
if (camera == NULL)
{
LOGI("... camera is NULL");
LOGI("... camera is already NULL");
return;
}
//TODO: ATTENTION! should we do it ALWAYS???
#if USE_RECORDING_INSTEAD_PREVIEW
camera->stopRecording();
#else
camera->stopPreview();
#endif
camera->disconnect();
camera.clear();
@ -290,18 +321,18 @@ double CameraHandler::getProperty(int propIdx)
case ANDROID_CAMERA_PROPERTY_FRAMEWIDTH:
{
int w,h;
params.getPreviewSize(&w,&h);
params.getPreviewSize(&w, &h);
return w;
}
case ANDROID_CAMERA_PROPERTY_FRAMEHEIGHT:
{
int w,h;
params.getPreviewSize(&w,&h);
params.getPreviewSize(&w, &h);
return h;
}
case ANDROID_CAMERA_PROPERTY_SUPPORTED_PREVIEW_SIZES_STRING:
{
cameraPropertySupportedPreviewSizesString=params.get(CameraParameters::KEY_SUPPORTED_PREVIEW_SIZES);
cameraPropertySupportedPreviewSizesString = params.get(CameraParameters::KEY_SUPPORTED_PREVIEW_SIZES);
double res;
memset(&res, 0, sizeof(res));
(*( (void**)&res ))= (void*)( cameraPropertySupportedPreviewSizesString.c_str() );
@ -320,17 +351,17 @@ void CameraHandler::setProperty(int propIdx, double value)
case ANDROID_CAMERA_PROPERTY_FRAMEWIDTH:
{
int w,h;
params.getPreviewSize(&w,&h);
params.getPreviewSize(&w, &h);
w = (int)value;
params.setPreviewSize(w,h);
params.setPreviewSize(w, h);
}
break;
case ANDROID_CAMERA_PROPERTY_FRAMEHEIGHT:
{
int w,h;
params.getPreviewSize(&w,&h);
params.getPreviewSize(&w, &h);
h = (int)value;
params.setPreviewSize(w,h);
params.setPreviewSize(w, h);
}
break;
};