bool AndroidVideoSource::getVideoReadyAndroid2(const ARParam *cparam_p) {
// Load camera parameters
ARParam cparam;
if (cparam_p) cparam = *cparam_p;
else {
ARController::logv("Unable to automatically determine camera parameters. Using supplied default.\n");
if (cameraParam) {
if (arParamLoad(cameraParam, 1, &cparam) < 0) {
ARController::logv("Error: Unable to load camera parameters from file '%s'.", cameraParam);
goto bail;
}
} else if (cameraParamBuffer) {
if (arParamLoadFromBuffer(cameraParamBuffer, cameraParamBufferLen, &cparam) < 0) {
ARController::logv("Error: Unable to load camera parameters from buffer.");
goto bail;
}
} else {
ARController::logv("Error: video source must be configured before opening.");
goto bail;
}
}
if (cparam.xsize != videoWidth || cparam.ysize != videoHeight) {
#ifdef DEBUG
ARController::logv("*** Camera Parameter resized from %d, %d. ***", cparam.xsize, cparam.ysize);
#endif
arParamChangeSize(&cparam, videoWidth, videoHeight, &cparam);
}
if (!(cparamLT = arParamLTCreate(&cparam, AR_PARAM_LT_DEFAULT_OFFSET))) {
ARController::logv("Error: Failed to create camera parameters lookup table.");
goto bail;
}
// Allocate local buffer for video frame after copy or conversion.
if (pixelFormat == AR_PIXEL_FORMAT_NV21 || pixelFormat == AR_PIXEL_FORMAT_420f) {
frameBufferSize = videoWidth * videoHeight + 2 * videoWidth/2 * videoHeight/2;
} else {
frameBufferSize = videoWidth * videoHeight * arUtilGetPixelSize(pixelFormat);
}
localFrameBuffer = (ARUint8*)calloc(frameBufferSize, sizeof(ARUint8));
if (!localFrameBuffer) {
ARController::logv("Error: Unable to allocate memory for local video frame buffer");
goto bail;
}
frameBuffer = localFrameBuffer;
if (pixelFormat == AR_PIXEL_FORMAT_NV21 || pixelFormat == AR_PIXEL_FORMAT_420f) {
frameBuffer2 = localFrameBuffer + videoWidth*videoHeight;
} else {
frameBuffer2 = NULL;
}
ARController::logv("Android Video Source running %dx%d.", videoWidth, videoHeight);
deviceState = DEVICE_RUNNING;
return true;
bail:
deviceState = DEVICE_OPEN;
return false;
}
bool ARToolKitVideoSource::open() {
ARController::logv(AR_LOG_LEVEL_DEBUG, "ARWrap::ARToolKitVideoSource::open(): called, opening ARToolKit video");
if (deviceState != DEVICE_CLOSED) {
ARController::logv(AR_LOG_LEVEL_ERROR, "ARWrap::ARToolKitVideoSource::open(): error: device is already open, exiting returning false");
return false;
}
// Open the video path
gVid = ar2VideoOpen(videoConfiguration);
if (!gVid) {
ARController::logv(AR_LOG_LEVEL_ERROR, "ARWrap::ARToolKitVideoSource::open(): arVideoOpen unable to open connection to camera using configuration '%s', exiting returning false", videoConfiguration);
return false;
}
ARController::logv(AR_LOG_LEVEL_DEBUG, "ARWrap::ARToolKitVideoSource::open(): Opened connection to camera using configuration '%s'", videoConfiguration);
deviceState = DEVICE_OPEN;
// Find the size of the video
if (ar2VideoGetSize(gVid, &videoWidth, &videoHeight) < 0) {
ARController::logv(AR_LOG_LEVEL_ERROR, "ARWrap::ARToolKitVideoSource::open(): Error: unable to get video size, calling close(), exiting returning false");
this->close();
return false;
}
// Get the format in which the camera is returning pixels
pixelFormat = ar2VideoGetPixelFormat(gVid);
if (pixelFormat < 0 ) {
ARController::logv(AR_LOG_LEVEL_ERROR, "ARWrap::ARToolKitVideoSource::open(): Error: unable to get pixel format, calling close(), exiting returning false");
this->close();
return false;
}
ARController::logv(AR_LOG_LEVEL_DEBUG, "ARWrap::ARToolKitVideoSource::open(): Video %dx%d@%dBpp (%s)", videoWidth, videoHeight, arUtilGetPixelSize(pixelFormat), arUtilGetPixelFormatName(pixelFormat));
#ifndef _WINRT
// Translate pixel format into OpenGL texture intformat, format, and type.
switch (pixelFormat) {
case AR_PIXEL_FORMAT_RGBA:
glPixIntFormat = GL_RGBA;
glPixFormat = GL_RGBA;
glPixType = GL_UNSIGNED_BYTE;
break;
case AR_PIXEL_FORMAT_RGB:
glPixIntFormat = GL_RGB;
glPixFormat = GL_RGB;
glPixType = GL_UNSIGNED_BYTE;
break;
case AR_PIXEL_FORMAT_BGRA:
glPixIntFormat = GL_RGBA;
glPixFormat = GL_BGRA;
glPixType = GL_UNSIGNED_BYTE;
break;
case AR_PIXEL_FORMAT_ABGR:
glPixIntFormat = GL_RGBA;
glPixFormat = GL_ABGR_EXT;
glPixType = GL_UNSIGNED_BYTE;
break;
case AR_PIXEL_FORMAT_ARGB:
glPixIntFormat = GL_RGBA;
glPixFormat = GL_BGRA;
#ifdef AR_BIG_ENDIAN
glPixType = GL_UNSIGNED_INT_8_8_8_8_REV;
#else
glPixType = GL_UNSIGNED_INT_8_8_8_8;
#endif
break;
case AR_PIXEL_FORMAT_BGR:
glPixIntFormat = GL_RGB;
glPixFormat = GL_BGR;
glPixType = GL_UNSIGNED_BYTE;
break;
case AR_PIXEL_FORMAT_MONO:
case AR_PIXEL_FORMAT_420v:
case AR_PIXEL_FORMAT_420f:
case AR_PIXEL_FORMAT_NV21:
glPixIntFormat = GL_LUMINANCE;
glPixFormat = GL_LUMINANCE;
glPixType = GL_UNSIGNED_BYTE;
break;
case AR_PIXEL_FORMAT_RGB_565:
glPixIntFormat = GL_RGB;
glPixFormat = GL_RGB;
glPixType = GL_UNSIGNED_SHORT_5_6_5;
break;
case AR_PIXEL_FORMAT_RGBA_5551:
glPixIntFormat = GL_RGBA;
glPixFormat = GL_RGBA;
glPixType = GL_UNSIGNED_SHORT_5_5_5_1;
break;
case AR_PIXEL_FORMAT_RGBA_4444:
glPixIntFormat = GL_RGBA;
glPixFormat = GL_RGBA;
glPixType = GL_UNSIGNED_SHORT_4_4_4_4;
break;
default:
ARController::logv("Error: Unsupported pixel format.\n");
this->close();
return false;
break;
}
#endif // !_WINRT
#if TARGET_PLATFORM_IOS
// Tell arVideo what the typical focal distance will be. Note that this does NOT
// change the actual focus, but on devices with non-fixed focus, it lets arVideo
// choose a better set of camera parameters.
ar2VideoSetParami(gVid, AR_VIDEO_PARAM_IOS_FOCUS, AR_VIDEO_IOS_FOCUS_0_3M); // Default is 0.3 metres. See <AR/sys/videoiPhone.h> for allowable values.
#endif
// Load the camera parameters, resize for the window and init.
ARParam cparam;
// Prefer internal camera parameters.
if (ar2VideoGetCParam(gVid, &cparam) == 0) {
ARController::logv(AR_LOG_LEVEL_DEBUG, "ARWrap::ARToolKitVideoSource::open(): Using internal camera parameters.");
} else {
const char cparam_name_default[] = "camera_para.dat"; // Default name for the camera parameters.
if (cameraParamBuffer) {
if (arParamLoadFromBuffer(cameraParamBuffer, cameraParamBufferLen, &cparam) < 0) {
ARController::logv(AR_LOG_LEVEL_ERROR, "ARWrap::ARToolKitVideoSource::open(): error-failed to load camera parameters from buffer, calling close(), exiting returning false");
this->close();
return false;
} else {
ARController::logv(AR_LOG_LEVEL_DEBUG, "ARWrap::ARToolKitVideoSource::open(): Camera parameters loaded from buffer");
}
} else {
if (arParamLoad((cameraParam ? cameraParam : cparam_name_default), 1, &cparam) < 0) {
ARController::logv(AR_LOG_LEVEL_ERROR, "ARWrap::ARToolKitVideoSource::open(): error-failed to load camera parameters %s, calling close(), exiting returning false",
(cameraParam ? cameraParam : cparam_name_default));
this->close();
return false;
} else {
ARController::logv(AR_LOG_LEVEL_DEBUG, "ARWrap::ARToolKitVideoSource::open():Camera parameters loaded from %s", (cameraParam ? cameraParam : cparam_name_default));
}
}
}
if (cparam.xsize != videoWidth || cparam.ysize != videoHeight) {
#ifdef DEBUG
ARController::logv(AR_LOG_LEVEL_ERROR, "*** Camera Parameter resized from %d, %d. ***\n", cparam.xsize, cparam.ysize);
#endif
arParamChangeSize(&cparam, videoWidth, videoHeight, &cparam);
}
if (!(cparamLT = arParamLTCreate(&cparam, AR_PARAM_LT_DEFAULT_OFFSET))) {
ARController::logv(AR_LOG_LEVEL_ERROR, "ARWrap::ARToolKitVideoSource::open(): error-failed to create camera parameters lookup table, calling close(), exiting returning false");
this->close();
return false;
}
int err = ar2VideoCapStart(gVid);
if (err != 0) {
if (err == -2) {
ARController::logv(AR_LOG_LEVEL_ERROR, "ARWrap::ARToolKitVideoSource::open(): error starting video-device unavailable \"%d,\" setting ARW_ERROR_DEVICE_UNAVAILABLE error state", err);
setError(ARW_ERROR_DEVICE_UNAVAILABLE);
} else {
ARController::logv(AR_LOG_LEVEL_ERROR, "ARWrap::ARToolKitVideoSource::open(): error \"%d\" starting video capture", err);
}
ARController::logv(AR_LOG_LEVEL_ERROR, "ARWrap::ARToolKitVideoSource::open(): calling close(), exiting returning false");
this->close();
return false;
}
deviceState = DEVICE_RUNNING;
ARController::logv(AR_LOG_LEVEL_DEBUG, "ARWrap::ARToolKitVideoSource::open(): exiting returning true, deviceState = DEVICE_RUNNING, video capture started");
return true;
}
bool AndroidVideoSource::getVideoReadyAndroid(const int width, const int height, const int cameraIndex, const bool cameraIsFrontFacing) {
char *a, b[1024];
int err_i;
if (deviceState == DEVICE_GETTING_READY) return true; // This path will be exercised if another frame arrives while we're waiting for the callback.
else if (deviceState != DEVICE_OPEN) {
ARController::logv(AR_LOG_LEVEL_ERROR, "AndroidVideoSource::getVideoReadyAndroid: Error: device not open.\n");
return false;
}
deviceState = DEVICE_GETTING_READY;
#ifdef DEBUG
ARController::logv(AR_LOG_LEVEL_DEBUG, "AndroidVideoSource::getVideoReadyAndroid: width=%d, height=%d, cameraIndex=%d, cameraIsFrontFacing=%s.\n", width, height, cameraIndex, (cameraIsFrontFacing ? "true" : "false"));
#endif
videoWidth = width;
videoHeight = height;
gCameraIndex = cameraIndex;
gCameraIsFrontFacing = cameraIsFrontFacing;
if (pixelFormat == AR_PIXEL_FORMAT_RGBA) {
glPixIntFormat = GL_RGBA;
glPixFormat = GL_RGBA;
glPixType = GL_UNSIGNED_BYTE;
} else if (pixelFormat == AR_PIXEL_FORMAT_NV21 || pixelFormat == AR_PIXEL_FORMAT_420f) {
glPixIntFormat = GL_LUMINANCE; // Use only luma channel.
glPixFormat = GL_LUMINANCE;
glPixType = GL_UNSIGNED_BYTE;
} else {
ARController::logv(AR_LOG_LEVEL_ERROR, "Unsupported video format '%s'.\n", arUtilGetPixelFormatName(pixelFormat));
return false;
}
ar2VideoSetParami(gVid, AR_VIDEO_PARAM_ANDROID_WIDTH, videoWidth);
ar2VideoSetParami(gVid, AR_VIDEO_PARAM_ANDROID_HEIGHT, videoHeight);
ar2VideoSetParami(gVid, AR_VIDEO_PARAM_ANDROID_CAMERA_INDEX, gCameraIndex);
ar2VideoSetParami(gVid, AR_VIDEO_PARAM_ANDROID_CAMERA_FACE, gCameraIsFrontFacing);
//ar2VideoSetParami(gVid, AR_VIDEO_PARAM_ANDROID_INTERNET_STATE, gInternetState);
// User-supplied camera parameters take precedence, then internal, then fetched. Otherwise, a default will be created.
ARParam cparam;
if (cameraParamBuffer) {
if (arParamLoadFromBuffer(cameraParamBuffer, cameraParamBufferLen, &cparam) < 0) {
ARController::logv(AR_LOG_LEVEL_ERROR, "AndroidVideoSource::getVideoReadyAndroid(): error-failed to load camera parameters from buffer, calling close(), exiting returning false");
this->close();
return false;
} else {
ARController::logv(AR_LOG_LEVEL_INFO, "Camera parameters loaded from buffer.");
return (getVideoReadyAndroid2(&cparam));
}
} else if (cameraParam) {
if (arParamLoad(cameraParam, 1, &cparam) < 0) {
ARController::logv(AR_LOG_LEVEL_ERROR, "AndroidVideoSource::getVideoReadyAndroid(): error-failed to load camera parameters from file '%s', calling close(), exiting returning false", cameraParam);
this->close();
return false;
} else {
ARController::logv(AR_LOG_LEVEL_INFO, "Camera parameters loaded from file '%s'.", cameraParam);
return (getVideoReadyAndroid2(&cparam));
}
} else {
// Search database.
if (ar2VideoGetCParamAsync(gVid, getVideoReadyAndroidCparamCallback, (void *)this) == 0) {
ARController::logv(AR_LOG_LEVEL_INFO, "Fetching external camera parameters.");
return true;
}
return getVideoReadyAndroid2(NULL);
}
}
