void bitmap_to_mat(JNIEnv *env, jobject &srcBitmap, Mat &srcMat) {
void *srcPixels = 0;
AndroidBitmapInfo srcBitmapInfo;
try {
AndroidBitmap_getInfo(env, srcBitmap, &srcBitmapInfo);
AndroidBitmap_lockPixels(env, srcBitmap, &srcPixels);
uint32_t srcHeight = srcBitmapInfo.height;
uint32_t srcWidth = srcBitmapInfo.width;
srcMat.create(srcHeight, srcWidth, CV_8UC4);
if (srcBitmapInfo.format == ANDROID_BITMAP_FORMAT_RGBA_8888) {
Mat tmp(srcHeight, srcWidth, CV_8UC4, srcPixels);
tmp.copyTo(srcMat);
} else {
Mat tmp = Mat(srcHeight, srcWidth, CV_8UC2, srcPixels);
cvtColor(tmp, srcMat, COLOR_BGR5652RGBA);
}
AndroidBitmap_unlockPixels(env, srcBitmap);
return;
} catch (cv::Exception &e) {
AndroidBitmap_unlockPixels(env, srcBitmap);
jclass je = env->FindClass("java/lang/Exception");
env -> ThrowNew(je, e.what());
return;
} catch (...) {
AndroidBitmap_unlockPixels(env, srcBitmap);
jclass je = env->FindClass("java/lang/Exception");
env -> ThrowNew(je, "unknown");
return;
}
}
JNIEXPORT void JNICALL Java_com_jiangpeng_android_antrace_Utils_unsharpMask(JNIEnv* env, jobject thiz, jobject input, jobject output)
{
AndroidBitmapInfo inputInfo;
AndroidBitmapInfo outputInfo;
void* src_pixels = 0;
void* dst_pixels = 0;
int ret = 0;
if ((ret = AndroidBitmap_getInfo(env, input, &inputInfo)) < 0) {
return;
}
if (inputInfo.format != ANDROID_BITMAP_FORMAT_RGBA_8888) {
return;
}
if ((ret = AndroidBitmap_lockPixels(env, input, &src_pixels)) < 0) {
return;
}
if ((ret = AndroidBitmap_getInfo(env, output, &outputInfo)) < 0) {
return;
}
if (outputInfo.format != ANDROID_BITMAP_FORMAT_RGBA_8888) {
return;
}
if ((ret = AndroidBitmap_lockPixels(env, output, &dst_pixels)) < 0) {
return;
}
unsharpMask(src_pixels, dst_pixels, outputInfo.width, outputInfo.height, inputInfo.stride, 5);
AndroidBitmap_unlockPixels(env, input);
AndroidBitmap_unlockPixels(env, output);
}
void JNIFUNCF(ImageFilterFx, nativeApplyFilter, jobject bitmap, jint width, jint height,
jobject lutbitmap, jint lutwidth, jint lutheight,
jint start, jint end)
{
char* destination = 0;
char* lut = 0;
AndroidBitmap_lockPixels(env, bitmap, (void**) &destination);
AndroidBitmap_lockPixels(env, lutbitmap, (void**) &lut);
unsigned char * rgb = (unsigned char * )destination;
unsigned char * lutrgb = (unsigned char * )lut;
int lutdim_r = lutheight;
int lutdim_g = lutheight;;
int lutdim_b = lutwidth/lutheight;;
int STEP = 4;
int off[8] = {
0,
STEP*1,
STEP*lutdim_r,
STEP*(lutdim_r + 1),
STEP*(lutdim_r*lutdim_b),
STEP*(lutdim_r*lutdim_b+1),
STEP*(lutdim_r*lutdim_b+lutdim_r),
STEP*(lutdim_r*lutdim_b+lutdim_r + 1)
};
float scale_R = (lutdim_r-1.f)/256.f;
float scale_G = (lutdim_g-1.f)/256.f;
float scale_B = (lutdim_b-1.f)/256.f;
int i;
for (i = start; i < end; i+= STEP)
{
int r = rgb[RED];
int g = rgb[GREEN];
int b = rgb[BLUE];
float fb = b*scale_B;
float fg = g*scale_G;
float fr = r*scale_R;
int lut_b = (int)fb;
int lut_g = (int)fg;
int lut_r = (int)fr;
int p = lut_r+lut_b*lutdim_r+lut_g*lutdim_r*lutdim_b;
p*=STEP;
float dr = fr-lut_r;
float dg = fg-lut_g;
float db = fb-lut_b;
rgb[RED] = clamp(interp(lutrgb,p ,off,dr,dg,db));
rgb[GREEN] = clamp(interp(lutrgb,p+1,off,dr,dg,db));
rgb[BLUE] = clamp(interp(lutrgb,p+2,off,dr,dg,db));
}
AndroidBitmap_unlockPixels(env, bitmap);
AndroidBitmap_unlockPixels(env, lutbitmap);
}
void JNIFUNCF(ImageFilterGeometry, nativeApplyFilterCrop, jobject src, jint srcWidth, jint srcHeight, jobject dst, jint dstWidth, jint dstHeight, jint offsetWidth, jint offsetHeight) {
char* destination = 0;
char* source = 0;
int len = dstWidth * dstHeight * 4;
AndroidBitmap_lockPixels(env, src, (void**) &source);
AndroidBitmap_lockPixels(env, dst, (void**) &destination);
crop(source, srcWidth, srcHeight, destination, dstWidth, dstHeight, offsetWidth, offsetHeight);
AndroidBitmap_unlockPixels(env, dst);
AndroidBitmap_unlockPixels(env, src);
}
void JNIFUNCF(ImageFilterGeometry, nativeApplyFilterFlip, jobject src, jint srcWidth, jint srcHeight, jobject dst, jint dstWidth, jint dstHeight, jint flip) {
char* destination = 0;
char* source = 0;
if (srcWidth != dstWidth || srcHeight != dstHeight) {
return;
}
AndroidBitmap_lockPixels(env, src, (void**) &source);
AndroidBitmap_lockPixels(env, dst, (void**) &destination);
flip_fun(flip, source, srcWidth, srcHeight, destination, dstWidth, dstHeight);
AndroidBitmap_unlockPixels(env, dst);
AndroidBitmap_unlockPixels(env, src);
}
JNIEXPORT void JNICALL Java_com_leth_convertimage_MainActivity_convertImage
(JNIEnv *env, jobject obj, jobject origbm,jobject graybm)
{
AndroidBitmapInfo infocolor;
void *pixelscolor;
AndroidBitmapInfo infogray;
void *pixelsgray;
int y;
int x;
LOGI("Before convert");
AndroidBitmap_getInfo(env, origbm, &infocolor);
LOGI("infocolor :: width-%d height-%d format-%d stride-%ld"
,infocolor.width
,infocolor.height
,infocolor.stride);
AndroidBitmap_getInfo(env, graybm, &infogray);
AndroidBitmap_lockPixels(env, origbm, &pixelscolor);
AndroidBitmap_lockPixels(env, graybm, &pixelsgray);
LOGI("Start convert");
uint8_t tmp;
for ( y=0; y<infocolor.height; y++) {
rgba * line = (rgba *) pixelscolor;
uint32_t * grayline = (uint32_t *) pixelsgray;
for ( x=0; x < infocolor.width; x++){
tmp =
line[x].red * 0.33
+ line[x].green * 0.33
+ line[x].blue * 0.33
;
grayline[x] =
(line[x].alpha & 0xff) << 24
| (tmp & 0xff) << 16
| (tmp & 0xff) << 8
| (tmp & 0xff)
//| line[x].red << 16
//| line[x].green << 8
//| line[x].blue
;
}
pixelscolor = (int8_t *)pixelscolor + infocolor.stride;
pixelsgray = (int8_t *) pixelsgray + infogray.stride;
}
LOGI("Finish convert");
AndroidBitmap_unlockPixels(env, origbm);
AndroidBitmap_unlockPixels(env, graybm);
}
BitmapPixelsLock::~BitmapPixelsLock() {
if (ptr_) {
jthrowable pendingException = env_->ExceptionOccurred();
if (!pendingException) {
AndroidBitmap_unlockPixels(env_, bitmap_);
return;
}
// unlockPixels by itself should not throw, but it can't run if
// there's an exception pending
env_->ExceptionClear();
AndroidBitmap_unlockPixels(env_, bitmap_);
env_->Throw(pendingException);
}
}
JNIEXPORT void JNICALL Java_makemachine_android_examples_Nati_getrot(JNIEnv * env, jclass klass, jobject bitmap){
int ret,j;
uint32_t * pixels;
void * raw;
AndroidBitmapInfo info;
if ((ret = AndroidBitmap_getInfo(env, bitmap, &info)) < 0) return;
if ((ret = AndroidBitmap_lockPixels(env, bitmap, &raw)) < 0) return;
pixels=(uint32_t*)raw;
for(j=0;j<info.height*info.width;j++){
*(pixels+j)=*(Qwe::image+j);
}
int h,w,oH,oW,nW;
oH=info.width;
oW=info.height;
nW=info.width;
for(w=0;w<oW;w++){
for(h=0;h<oH;h++){
*(pixels+nW-h-1+nW*w)=*(Qwe::image+oW*h+w);
}
}
AndroidBitmap_unlockPixels(env, bitmap);
free(Qwe::image);
free(Qwe::integral);
free(Qwe::mean);
free(Qwe::dev);
#ifdef USE_DEVIATION
free(Qwe::intsquare);
#endif
}
JNIEXPORT void JNICALL Java_app_ssm_duck_duckapp_CropActivity_seperateLetter(JNIEnv *env, jobject obj, jobject bitmap) {
AndroidBitmapInfo info;
void* pixels;
//get information for bitmap object
if(0>AndroidBitmap_getInfo(env, bitmap,&info)){
LOGE("AndroidBitmap_getInfo() failed!");
return;
}
LOGI("imagesize(%d,%d)\n",info.width,info.height);
if(info.format != ANDROID_BITMAP_FORMAT_RGB_565){
LOGE("Bitmap format is not RGB_565:%d\n",info.format);
//return;
}
//attemp to lock the pixel address.
if(0> AndroidBitmap_lockPixels(env,bitmap,&pixels)){
LOGE("AndroidBitmap_lockPixels() failed!");
return;
}
//함수
AndroidBitmap_unlockPixels(env,bitmap);
}
void JNIFUNCF(ImageFilterSaturated, nativeApplyFilter, jobject bitmap, jint width, jint height, jfloat saturation)
{
char* destination = 0;
AndroidBitmap_lockPixels(env, bitmap, (void**) &destination);
int i;
int len = width * height * 4;
float Rf = 0.2999f;
float Gf = 0.587f;
float Bf = 0.114f;
float S = saturation;;
float MS = 1.0f - S;
float Rt = Rf * MS;
float Gt = Gf * MS;
float Bt = Bf * MS;
float R, G, B;
for (i = 0; i < len; i+=4)
{
int r = destination[RED];
int g = destination[GREEN];
int b = destination[BLUE];
int t = (r + g) / 2;
R = r;
G = g;
B = b;
float Rc = R * (Rt + S) + G * Gt + B * Bt;
float Gc = R * Rt + G * (Gt + S) + B * Bt;
float Bc = R * Rt + G * Gt + B * (Bt + S);
destination[RED] = CLAMP(Rc);
destination[GREEN] = CLAMP(Gc);
destination[BLUE] = CLAMP(Bc);
}
AndroidBitmap_unlockPixels(env, bitmap);
}
/*fill in data for a bitmap*/
JNIEXPORT jint JNICALL Java_feipeng_andzop_render_RenderView_naRenderAFrame(JNIEnv * pEnv, jobject pObj, jobject pBitmap, int _width, int _height, float _roiSh, float _roiSw, float _roiEh, float _roiEw) {
AndroidBitmapInfo lInfo;
//void* lPixels;
int lRet;
int li, lj, lk;
int lPos;
unsigned char* ltmp;
LOGI(3, "start of render_a_frame");
//1. retrieve information about the bitmap
if ((lRet = AndroidBitmap_getInfo(pEnv, pBitmap, &lInfo)) < 0) {
LOGE(1, "AndroidBitmap_getInfo failed! error = %d", lRet);
return;
}
if (lInfo.format != ANDROID_BITMAP_FORMAT_RGBA_8888) {
LOGE(1, "Bitmap format is not RGBA_8888!");
return;
}
//2. lock the pixel buffer and retrieve a pointer to it
if ((lRet = AndroidBitmap_lockPixels(pEnv, pBitmap, &gBitmap)) < 0) {
LOGE(1, "AndroidBitmap_lockPixels() failed! error = %d", lRet);
}
//3. modify the pixel buffer
//decode a video frame: the pBitmap will be filled with decoded pixels
lRet = decode_a_frame(_width, _height, _roiSh, _roiSw, _roiEh, _roiEw);
AndroidBitmap_unlockPixels(pEnv, pBitmap);
LOGI(3, "~~~~~~~~~~end of rendering a frame~~~~~~~~~~~~~~~~~`");
return lRet;
}
/*
* Class: org_opencv_android_Utils
* Method: nBitmapToMat(long m, Bitmap b)
* Signature: (JL)Z
*/
JNIEXPORT jboolean JNICALL Java_org_opencv_android_Utils_nMatToBitmap
(JNIEnv * env, jclass cls, jlong m, jobject bitmap)
{
AndroidBitmapInfo info;
void* pixels;
cv::Mat* mat = (cv::Mat*) m;
if ( mat == 0 || mat->data == 0)
return false; // no native Mat behind
if ( AndroidBitmap_getInfo(env, bitmap, &info) < 0 )
return false; // can't get info
if (info.format != ANDROID_BITMAP_FORMAT_RGBA_8888)
return false; // incompatible format
if ( AndroidBitmap_lockPixels(env, bitmap, &pixels) < 0 )
return false; // can't get pixels
if(mat->data && pixels)
memcpy(pixels, mat->data, info.height * info.width * 4);
AndroidBitmap_unlockPixels(env, bitmap);
return true;
}
void
Java_org_yabause_android_YabauseRunnable_stateSlotScreenshot( JNIEnv* env, jobject obj, jobject dirpath, jobject itemnum, int slot, jobject bitmap )
{
int outputwidth, outputheight;
u32 * buffer, * cur;
AndroidBitmapInfo info;
void * pixels;
int x, y;
jboolean dummy;
const char * dp = (*env)->GetStringUTFChars(env, dirpath, &dummy);
const char * in = (*env)->GetStringUTFChars(env, itemnum, &dummy);
if (0 != LoadStateSlotScreenshot(dp, in, slot, &outputwidth, &outputheight, &buffer)) return;
AndroidBitmap_getInfo(env, bitmap, &info);
AndroidBitmap_lockPixels(env, bitmap, &pixels);
cur = buffer;
for(y = 0;y < info.height;y++) {
for(x = 0;x < info.width;x++) {
*((uint32_t *) pixels + x) = *(cur + x);
}
pixels += info.stride;
cur += outputwidth;
}
free(buffer);
AndroidBitmap_unlockPixels(env, bitmap);
}
JNIEXPORT void JNICALL Java_com_daemon_aroundcircleviewdemo_ImageBlur_blurBitMap
(JNIEnv *env, jclass obj, jobject bitmapIn, jint r)
{
AndroidBitmapInfo infoIn;
void* pixelsIn;
int ret;
// Get image info
if ((ret = AndroidBitmap_getInfo(env, bitmapIn, &infoIn)) < 0)
return;
// Check image
if (infoIn.format != ANDROID_BITMAP_FORMAT_RGBA_8888)
return;
// Lock all images
if ((ret = AndroidBitmap_lockPixels(env, bitmapIn, &pixelsIn)) < 0) {
//AndroidBitmap_lockPixels failed!
}
//height width
int h = infoIn.height;
int w = infoIn.width;
//Start
pixelsIn = StackBlur((int*)pixelsIn, w, h, r);
//End
// Unlocks everything
AndroidBitmap_unlockPixels(env, bitmapIn);
}
JNIEXPORT void JNICALL Java_makemachine_android_examples_Nati_greyscale(JNIEnv * env, jclass klass, jobject bitmap,jint wind){
void * raw;
uint32_t * pixels;
int ret,j;
int grey;
AndroidBitmapInfo info;
if ((ret = AndroidBitmap_getInfo(env, bitmap, &info)) < 0) return;
if ((ret = AndroidBitmap_lockPixels(env, bitmap, &raw)) < 0) return;
pixels=(uint32_t*) raw;
#define USE_CONTRAST STRETCH
#ifdef USE_CONTRAST_STRETCH
determine_contrast(&pixels,info.height,info.width);
#else
Qwe::mingrey=0;
Qwe::maxgrey=255;
#endif
greyscale(&pixels,info.height,info.width);
make_mean(info.height,info.width,wind);
#ifdef USE_DEVIATION
make_dev(info.height,info.width,wind);
#endif
imtoin(info.height,info.width);
thresh(info.height,info.width);
close(info.height,info.width,2);
open(info.height,info.width,2);
AndroidBitmap_unlockPixels(env, bitmap);
}
JNIEXPORT void JNICALL Java_net_qiujuer_genius_app_BlurNative_fastBlurBitmap
(JNIEnv *env, jclass obj, jobject bitmapIn, jint r)
{
AndroidBitmapInfo infoIn;
void* pixelsIn;
int ret;
// Get image info
if ((ret = AndroidBitmap_getInfo(env, bitmapIn, &infoIn)) < 0)
return;
// Check image
if (infoIn.format != ANDROID_BITMAP_FORMAT_RGBA_8888)
return;
// Lock all images
if ((ret = AndroidBitmap_lockPixels(env, bitmapIn, &pixelsIn)) < 0) {
//AndroidBitmap_lockPixels failed!
}
// height width
int h = infoIn.height;
int w = infoIn.width;
// Start
pixelsIn = stackBlur((int*)pixelsIn, w, h, r);
// End
// Unlocks everything
AndroidBitmap_unlockPixels(env, bitmapIn);
}
JNIEXPORT void JNICALL Java_com_example_restreaming_StreamingHeadlessCamcorder_nativeCloseVideo(JNIEnv* env, jobject thiz)
{
__android_log_print(ANDROID_LOG_INFO, "com.example.ffmpegav", "nativeCloseVideo()");
if (gVideoCodecCtx)
{
avcodec_close(gVideoCodecCtx);
gVideoCodecCtx = NULL;
}
sws_freeContext(gSwsContext);
gSwsContext = NULL;
if (gBitmapRef)
{
if (gBitmapRefPixelBuffer)
{
AndroidBitmap_unlockPixels(env, gBitmapRef);
gBitmapRefPixelBuffer = NULL;
}
(*env)->DeleteGlobalRef(env, gBitmapRef);
gBitmapRef = NULL;
}
gVideoStreamIdx = -1;
av_free(gVideoFrame);
gVideoFrame = NULL;
memset(&gAbi, 0, sizeof(gAbi));
}
JNIEXPORT void JNICALL
Java_br_odb_nehe_lesson08_GL2JNILib_setTexture(JNIEnv *env, jclass type, jobject bitmap) {
void *addr;
AndroidBitmapInfo info;
int errorCode;
if ((errorCode = AndroidBitmap_lockPixels(env, bitmap, &addr)) != 0) {
LOGI("error %d", errorCode);
}
if ((errorCode = AndroidBitmap_getInfo(env, bitmap, &info)) != 0) {
LOGI("error %d", errorCode);
}
LOGI("bitmap info: %d wide, %d tall, %d ints per pixel", info.width, info.height, info.format);
long size = info.width * info.height * info.format;
pixels = new int[size];
memcpy(pixels, addr, size * sizeof(int));
if ((errorCode = AndroidBitmap_unlockPixels(env, bitmap)) != 0) {
LOGI("error %d", errorCode);
}
}
jobject Java_com_packpublishing_asynchronousandroid_chapter9_GrayImageLoader_convertImageToGray
(JNIEnv *env, jobject obj, jobject bitmap) {
AndroidBitmapInfo info;
void *pixels;
int ret;
if ((ret = AndroidBitmap_getInfo(env, bitmap, &info)) < 0) {
jclass clazz = env->FindClass("java/lang/RuntimeException");
env->ThrowNew(clazz, "Failed to get Information from the Bitmap!");
return 0;
}
if ((ret = AndroidBitmap_lockPixels(env, bitmap, (void **) &pixels)) < 0) {
jclass clazz = env->FindClass("java/lang/RuntimeException");
env->ThrowNew(clazz, "Failed to lock Bitmap pixels !");
return 0;
}
rgba *rgba_pixels = (rgba *) pixels;
for (int i = 0; i < (info.width * info.height); i++) {
uint8_t red = rgba_pixels[i].red;
uint8_t green = rgba_pixels[i].green;
uint8_t blue = rgba_pixels[i].blue;
uint8_t gray = red * 0.3 + green * 0.59 + blue * 0.11;
rgba_pixels[i].red = gray;
rgba_pixels[i].green = gray;
rgba_pixels[i].blue = gray;
}
AndroidBitmap_unlockPixels(env, bitmap);
return bitmap;
}
/** Program enable modify C++ Mat through JNI */
jobject setBitmapWrapper(JNIEnv *env, cv::Mat frame)
{
cv::Mat tmp; // CV_8UC4
cvtColor(frame, tmp, CV_BGR2RGBA);
jclass bitmapClass = env->FindClass("android/graphics/Bitmap");
jmethodID create_bitmap = env->GetStaticMethodID(bitmapClass, "createBitmap", "(IILandroid/graphics/Bitmap$Config;)Landroid/graphics/Bitmap;");
jclass configClass = env->FindClass("android/graphics/Bitmap$Config");
jmethodID create_config = env->GetStaticMethodID(configClass, "valueOf", "(Ljava/lang/String;)Landroid/graphics/Bitmap$Config;");
jstring name = env->NewStringUTF("ARGB_8888");
jobject config_obj = env->CallStaticObjectMethod(configClass, create_config, name);
jobject bitmap_obj = env->CallStaticObjectMethod(bitmapClass, create_bitmap, tmp.cols, tmp.rows, config_obj);
// Putting the pixels into the new bitmap
int len = tmp.rows * tmp.cols * tmp.channels();
unsigned char buffer[len];
memcpy(&buffer, tmp.data, len);
void *pixels = 0;
CV_Assert( AndroidBitmap_lockPixels(env, bitmap_obj, &pixels) >= 0 );
unsigned char* newBitmapPixels = (unsigned char*)pixels;
for (int i=0; i < len; i++) {
newBitmapPixels[i] = buffer[i];
}
AndroidBitmap_unlockPixels(env, bitmap_obj);
return bitmap_obj;
}
void Java_com_example_nativebitmap_MainActivity_sepiaImage(JNIEnv* env,
jobject thiz,
jobject bitmap) {
// 画像情報を取得
AndroidBitmapInfo info;
if (0 > AndroidBitmap_getInfo(env, bitmap, &info)) { /////-----(2)
LOGE("AndroidBitmap_getInfo() failed !");
return;
}
LOGI("imagesize(%d,%d)\n", info.width, info.height);
// 指定フォーマット以外は処理を中断
if (!(info.format == ANDROID_BITMAP_FORMAT_RGBA_8888 || info.format == ANDROID_BITMAP_FORMAT_RGB_565)){ /////-----(3)
LOGE("Can't convert : format=%s",format_msg[info.format]);
return;
}
LOGI("ImageFormat=%s",format_msg[info.format]);
// 他からのBITMAPへのアクセスを排除する
void* pixels;
if (0 > AndroidBitmap_lockPixels(env, bitmap, &pixels)) { /////-----(4)
LOGE("AndroidBitmap_lockPixels() failed !");
return;
}
// セピア調に変換する
switch(info.format){ /////-----(5)
case ANDROID_BITMAP_FORMAT_RGBA_8888:
convert_to_sepia_rgba8888(&info, pixels);
break;
case ANDROID_BITMAP_FORMAT_RGB_565:
convert_to_sepia_rgb565(&info, pixels);
break;
}
// 他からのBITMAPへのアクセスを許可する
AndroidBitmap_unlockPixels(env, bitmap); /////-----(6)
}
static jlong JNICALL nativeGetFrame(
JNIEnv* env, jobject clazz, jlong frameSequenceStateLong, jint frameNr,
jobject bitmap, jint previousFrameNr) {
FrameSequenceState* frameSequenceState =
reinterpret_cast<FrameSequenceState*>(frameSequenceStateLong);
int ret;
AndroidBitmapInfo info;
void* pixels;
if ((ret = AndroidBitmap_getInfo(env, bitmap, &info)) < 0) {
jniThrowException(env, ILLEGAL_STATE_EXEPTION,
"Couldn't get info from Bitmap ");
return 0;
}
if ((ret = AndroidBitmap_lockPixels(env, bitmap, &pixels)) < 0) {
jniThrowException(env, ILLEGAL_STATE_EXEPTION,
"Bitmap pixels couldn't be locked");
return 0;
}
int pixelStride = info.stride >> 2;
jlong delayMs = frameSequenceState->drawFrame(frameNr,
(Color8888*) pixels, pixelStride, previousFrameNr);
AndroidBitmap_unlockPixels(env, bitmap);
return delayMs;
}
JNIEXPORT void JNICALL
Java_com_iiordanov_aSPICE_SpiceCommunicator_UpdateBitmap (JNIEnv* env, jobject obj, jobject bitmap, gint x, gint y, gint width, gint height) {
uchar* pixels;
SpiceDisplayPrivate *d = SPICE_DISPLAY_GET_PRIVATE(global_display);
if (AndroidBitmap_lockPixels(env, bitmap, (void**)&pixels) < 0) {
__android_log_write(6, "android-io", "AndroidBitmap_lockPixels() failed!");
return;
}
int slen = d->width * 4;
int offset = (slen * y) + (x * 4);
uchar *source = d->data;
uchar *sourcepix = (uchar*) &source[offset];
uchar *destpix = (uchar*) &pixels[offset];
for (int i = 0; i < height; i++) {
for (int j = 0; j < width * 4; j += 4) {
destpix[j + 0] = sourcepix[j + 2];
destpix[j + 1] = sourcepix[j + 1];
destpix[j + 2] = sourcepix[j + 0];
}
sourcepix = sourcepix + slen;
destpix = destpix + slen;
}
AndroidBitmap_unlockPixels(env, bitmap);
}
JNIEXPORT jboolean JNICALL jni_freerdp_update_graphics(
JNIEnv *env, jclass cls, jint instance, jobject bitmap, jint x, jint y, jint width, jint height)
{
int ret;
void* pixels;
AndroidBitmapInfo info;
freerdp* inst = (freerdp*)instance;
rdpGdi *gdi = inst->context->gdi;
if ((ret = AndroidBitmap_getInfo(env, bitmap, &info)) < 0)
{
DEBUG_ANDROID("AndroidBitmap_getInfo() failed ! error=%d", ret);
return JNI_FALSE;
}
if ((ret = AndroidBitmap_lockPixels(env, bitmap, &pixels)) < 0)
{
DEBUG_ANDROID("AndroidBitmap_lockPixels() failed ! error=%d", ret);
return JNI_FALSE;
}
copy_pixel_buffer(pixels, gdi->primary_buffer, x, y, width, height, gdi->width, gdi->height, gdi->bytesPerPixel);
AndroidBitmap_unlockPixels(env, bitmap);
return JNI_TRUE;
}
JNIEXPORT void JNICALL
Java_si_majcn_frameoffame_MainActivity_applyEffect(JNIEnv *env,
jobject obj,
jobject bitmap,
jint effectNumber)
{
AndroidBitmapInfo info;
int ret;
void *pixels;
if ((ret = AndroidBitmap_getInfo(env, bitmap, &info)) < 0)
{
LOGE("AndroidBitmap_getInfo() failed ! error=%d", ret);
return;
}
if (info.format != ANDROID_BITMAP_FORMAT_RGB_565)
{
LOGE("Bitmap format is not RGBA_565 !");
return;
}
if ((ret = AndroidBitmap_lockPixels(env, bitmap, &pixels)) < 0)
{
LOGE("AndroidBitmap_lockPixels() failed ! error=%d", ret);
}
applyEffect(&info, pixels, effectNumber);
AndroidBitmap_unlockPixels(env, bitmap);
}
void Java_com_zspace_Android_updateBitmap(JNIEnv* env, jobject that, jobject bitmap, jlong data) {
// timestamp: 122..305 microseconds mean=152. Contested lock up to 5800 mcs
// timestamp("updateBitmap");
void* buffer = ll2p(data);
AndroidBitmapInfo info = {0};
int r = AndroidBitmap_getInfo(env, bitmap, &info);
if (r != 0) {
trace("AndroidBitmap_getInfo() failed ! error=%d", r);
return;
}
int width = info.width;
int height = info.height;
if (info.format != ANDROID_BITMAP_FORMAT_RGBA_8888 && info.format != ANDROID_BITMAP_FORMAT_A_8) {
trace("Bitmap format is not RGBA_8888 or A_8");
return;
}
void* pixels = null;
r = AndroidBitmap_lockPixels(env, bitmap, &pixels);
if (r != 0) {
trace("AndroidBitmap_lockPixels() failed ! error=%d", r);
return;
}
memcpy(pixels, buffer, width * height * (info.format == ANDROID_BITMAP_FORMAT_RGBA_8888 ? sizeof(int) : 1));
AndroidBitmap_unlockPixels(env, bitmap);
// timestamp("updateBitmap");
}
JNIEXPORT jint Java_ryulib_VideoZip_VPX_EncodeBitmap(JNIEnv* env,
jclass clazz, jint handle, jobject bitmap, jbyteArray buffer, jint bufferSize, jint deadline)
{
RyuVPX *pHandle = (RyuVPX *) handle;
jbyte *pByteBuffer = (*env)->GetByteArrayElements(env, buffer, 0);
int packet_size = 0;
int frame_cnt = 0;
int flags = 0;
unsigned long ulDeadline = VPX_DL_GOOD_QUALITY;
switch (deadline) {
case 0: ulDeadline = VPX_DL_REALTIME; break;
case 1: ulDeadline = VPX_DL_GOOD_QUALITY; break;
case 2: ulDeadline = VPX_DL_BEST_QUALITY; break;
}
void *pixelBitmap;
if (AndroidBitmap_lockPixels(env, bitmap, &pixelBitmap) >= 0) {
RGBtoYUV420((unsigned char*) pixelBitmap, pHandle->img.planes[0], pHandle->cfgEnc.g_w, pHandle->cfgEnc.g_h, _PixelSize);
int encodeResult = vpx_codec_encode(&pHandle->codec, &pHandle->img, frame_cnt, 1, flags, ulDeadline);
AndroidBitmap_unlockPixels(env, bitmap);
if (encodeResult) goto EXIT;
}
const vpx_codec_cx_pkt_t *pPacket;
vpx_codec_iter_t iter = NULL;
unsigned char *pFrame = (unsigned char *) pByteBuffer;
int *pFrameSize;
while ( (pPacket = (vpx_codec_get_cx_data(&pHandle->codec, &iter))) ) {
if ((packet_size + sizeof(int) + pPacket->data.frame.sz) >= bufferSize) goto EXIT;
switch (pPacket->kind) {
case VPX_CODEC_CX_FRAME_PKT: {
pFrameSize = (int *) pFrame;
*pFrameSize = pPacket->data.frame.sz;
pFrame = pFrame + sizeof(int);
memcpy(pFrame, pPacket->data.frame.buf, pPacket->data.frame.sz);
pFrame = pFrame + pPacket->data.frame.sz;
packet_size = packet_size + sizeof(int) + pPacket->data.frame.sz;
} break;
default: break;
}
}
EXIT:
(*env)->ReleaseByteArrayElements(env, buffer, pByteBuffer, 0);
return packet_size;
}
int Java_com_example_android_wearable_mjpegviewwear_MjpegInputStream_pixeltobmp( JNIEnv* env,jobject thiz,
jbyteArray jp, jint l, jobject bmp) {
jboolean b;
jbyte *p=(*env)->GetByteArrayElements(env,jp,&b);
processimage ((const void *)p, l);
AndroidBitmapInfo info;
void* pixels;
int ret;
int i;
int *colors;
int width = IMG_WIDTH;
int height = IMG_HEIGHT;
if(bmp==NULL) return;
if ((ret = AndroidBitmap_getInfo(env, bmp, &info)) < 0) {
LOGE("AndroidBitmap_getInfo() failed ! error=%d", ret);
(*env)->ReleaseByteArrayElements(env, jp, p, 0);
return -1;
}
if (info.format != ANDROID_BITMAP_FORMAT_RGBA_8888) {
LOGE("Bitmap format is not RGBA_8888 !");
(*env)->ReleaseByteArrayElements(env, jp, p, 0);
return -1;
}
if (info.width != IMG_WIDTH || info.height != IMG_HEIGHT) {
LOGE("Bitmap size differs !");
(*env)->ReleaseByteArrayElements(env, jp, p, 0);
return -1;
}
if ((ret = AndroidBitmap_lockPixels(env, bmp, &pixels)) < 0) {
LOGE("AndroidBitmap_lockPixels() failed ! error=%d", ret);
}
colors = (int*)pixels;
int *lrgb = &rgb[0];
for(i=0 ; i<width*height ; i++) {
*colors++ = *lrgb++;
}
AndroidBitmap_unlockPixels(env, bmp);
(*env)->ReleaseByteArrayElements(env, jp, p, 0);
return 0;
}
jint Java_com_googlecode_leptonica_android_ReadFile_nativeReadBitmap(JNIEnv *env,
jclass clazz,
jobject bitmap) {
//LOGV(__FUNCTION__);
l_int32 w, h, d;
AndroidBitmapInfo info;
void* pixels;
int ret;
if ((ret = AndroidBitmap_getInfo(env, bitmap, &info)) < 0) {
LOGE("AndroidBitmap_getInfo() failed ! error=%d", ret);
return JNI_FALSE;
}
if (info.format != ANDROID_BITMAP_FORMAT_RGBA_8888) {
LOGE("Bitmap format is not RGBA_8888 !");
return JNI_FALSE;
}
if ((ret = AndroidBitmap_lockPixels(env, bitmap, &pixels)) < 0) {
LOGE("AndroidBitmap_lockPixels() failed ! error=%d", ret);
return JNI_FALSE;
}
PIX *pixd = pixCreate(info.width, info.height, 8);
l_uint32 *src = (l_uint32 *) pixels;
l_int32 srcWpl = (info.stride / 4);
l_uint32 *dst = pixGetData(pixd);
l_int32 dstWpl = pixGetWpl(pixd);
l_uint8 a, r, g, b, pixel8;
for (int y = 0; y < info.height; y++) {
l_uint32 *dst_line = dst + (y * dstWpl);
l_uint32 *src_line = src + (y * srcWpl);
for (int x = 0; x < info.width; x++) {
// Get pixel from RGBA_8888
r = *src_line >> SK_R32_SHIFT;
g = *src_line >> SK_G32_SHIFT;
b = *src_line >> SK_B32_SHIFT;
a = *src_line >> SK_A32_SHIFT;
pixel8 = (l_uint8) ((r + g + b) / 3);
// Set pixel to LUMA_8
SET_DATA_BYTE(dst_line, x, pixel8);
// Move to the next pixel
src_line++;
}
}
AndroidBitmap_unlockPixels(env, bitmap);
return (jint) pixd;
}
void JNIFUNCF(ImageFilterGeometry, nativeApplyFilterStraighten, jobject src, jint srcWidth, jint srcHeight, jobject dst, jint dstWidth, jint dstHeight, jfloat straightenAngle) {
char* destination = 0;
char* source = 0;
int len = dstWidth * dstHeight * 4;
AndroidBitmap_lockPixels(env, src, (void**) &source);
AndroidBitmap_lockPixels(env, dst, (void**) &destination);
// TODO: implement straighten
int i = 0;
for (; i < len; i += 4) {
int r = source[RED];
int g = source[GREEN];
int b = source[BLUE];
destination[RED] = 128;
destination[GREEN] = g;
destination[BLUE] = 128;
}
AndroidBitmap_unlockPixels(env, dst);
AndroidBitmap_unlockPixels(env, src);
}
