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/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
*
*/
#include <string.h>
#include <jni.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <db_utilities_camera.h>
#include "mosaic/AlignFeatures.h"
#include "mosaic/Blend.h"
#include "mosaic/Mosaic.h"
#include "mosaic/Log.h"
#define LOG_TAG "FEATURE_MOS_JNI"
#ifdef __cplusplus
extern "C" {
#endif
#include "mosaic_renderer_jni.h"
char buffer[1024];
const int MAX_FRAMES = 100;
static double mTx;
int tWidth[NR];
int tHeight[NR];
ImageType tImage[NR][MAX_FRAMES];// = {{ImageUtils::IMAGE_TYPE_NOIMAGE}}; // YVU24 format image
Mosaic *mosaic[NR] = {NULL,NULL};
ImageType resultYVU = ImageUtils::IMAGE_TYPE_NOIMAGE;
ImageType resultBGR = ImageUtils::IMAGE_TYPE_NOIMAGE;
float gTRS[11]; // 9 elements of the transformation, 1 for frame-number, 1 for alignment error code.
// Variables to keep track of the mosaic computation progress for both LR & HR.
float gProgress[NR];
// Variables to be able to cancel the mosaic computation when the GUI says so.
bool gCancelComputation[NR];
int c;
int width=0, height=0;
int mosaicWidth=0, mosaicHeight=0;
//int blendingType = Blend::BLEND_TYPE_FULL;
//int blendingType = Blend::BLEND_TYPE_CYLPAN;
int blendingType = Blend::BLEND_TYPE_HORZ;
int stripType = Blend::STRIP_TYPE_THIN;
bool high_res = false;
bool quarter_res[NR] = {false,false};
float thresh_still[NR] = {5.0f,0.0f};
/* return current time in milliseconds*/
#ifndef now_ms
static double
now_ms(void)
{
//struct timespec res;
struct timeval res;
//clock_gettime(CLOCK_REALTIME, &res);
gettimeofday(&res, NULL);
return 1000.0*res.tv_sec + (double)res.tv_usec/1e3;
}
#endif
static int frame_number_HR = 0;
static int frame_number_LR = 0;
int Init(int mID, int nmax)
{
double t0, t1, time_c;
if(mosaic[mID]!=NULL)
{
delete mosaic[mID];
mosaic[mID] = NULL;
}
mosaic[mID] = new Mosaic();
t0 = now_ms();
// When processing higher than 720x480 video, process low-res at
// quarter resolution
if(tWidth[LR]>180)
quarter_res[LR] = true;
// Check for initialization and if not, initialize
if (!mosaic[mID]->isInitialized())
{
mosaic[mID]->initialize(blendingType, stripType, tWidth[mID], tHeight[mID],
nmax, quarter_res[mID], thresh_still[mID]);
}
t1 = now_ms();
time_c = t1 - t0;
LOGV("Init[%d]: %g ms [%d frames]",mID,time_c,nmax);
return 1;
}
void GenerateQuarterResImagePlanar(ImageType im, int input_w, int input_h,
ImageType &out)
{
ImageType imp;
ImageType outp;
int count = 0;
for (int j = 0; j < input_h; j += H2L_FACTOR)
{
imp = im + j * input_w;
outp = out + (j / H2L_FACTOR) * (input_w / H2L_FACTOR);
for (int i = 0; i < input_w; i += H2L_FACTOR)
{
*outp++ = *(imp + i);
count++;
}
}
for (int j = input_h; j < 2 * input_h; j += H2L_FACTOR)
{
imp = im + j * input_w;
outp = out + (j / H2L_FACTOR) * (input_w / H2L_FACTOR);
for (int i = 0; i < input_w; i += H2L_FACTOR)
{
*outp++ = *(imp + i);
count++;
}
}
for (int j = 2 * input_h; j < 3 * input_h; j += H2L_FACTOR)
{
imp = im + j * input_w;
outp = out + (j / H2L_FACTOR) * (input_w / H2L_FACTOR);
for (int i = 0; i < input_w; i += H2L_FACTOR)
{
*outp++ = *(imp + i);
count++;
}
}
}
int AddFrame(int mID, int k, float* trs1d)
{
double t0, t1, time_c;
double trs[3][3];
int ret_code = mosaic[mID]->addFrame(tImage[mID][k]);
mosaic[mID]->getAligner()->getLastTRS(trs);
if(trs1d!=NULL)
{
trs1d[0] = trs[0][0];
trs1d[1] = trs[0][1];
trs1d[2] = trs[0][2];
trs1d[3] = trs[1][0];
trs1d[4] = trs[1][1];
trs1d[5] = trs[1][2];
trs1d[6] = trs[2][0];
trs1d[7] = trs[2][1];
trs1d[8] = trs[2][2];
}
return ret_code;
}
int Finalize(int mID)
{
double t0, t1, time_c;
t0 = now_ms();
// Create the mosaic
int ret = mosaic[mID]->createMosaic(gProgress[mID], gCancelComputation[mID]);
t1 = now_ms();
time_c = t1 - t0;
LOGV("CreateMosaic: %g ms",time_c);
// Get back the result
resultYVU = mosaic[mID]->getMosaic(mosaicWidth, mosaicHeight);
return ret;
}
void YUV420toYVU24(ImageType yvu24, ImageType yuv420sp, int width, int height)
{
int frameSize = width * height;
ImageType oyp = yvu24;
ImageType ovp = yvu24+frameSize;
ImageType oup = yvu24+frameSize+frameSize;
for (int j = 0, yp = 0; j < height; j++)
{
unsigned char u = 0, v = 0;
int uvp = frameSize + (j >> 1) * width;
for (int i = 0; i < width; i++, yp++)
{
*oyp++ = yuv420sp[yp];
//int y = (0xff & (int)yuv420sp[yp]) -16;
//yvu24p[yp] = (y<0)?0:y;
if ((i & 1) == 0)
{
v = yuv420sp[uvp++];
u = yuv420sp[uvp++];
}
*ovp++ = v;
*oup++ = u;
}
}
}
void YUV420toYVU24_NEW(ImageType yvu24, ImageType yuv420sp, int width,
int height)
{
int frameSize = width * height;
ImageType oyp = yvu24;
ImageType ovp = yvu24 + frameSize;
ImageType oup = yvu24 + frameSize + frameSize;
memcpy(yvu24, yuv420sp, frameSize * sizeof(unsigned char));
for (int j = 0; j < height; j += 2)
{
unsigned char u = 0, v = 0;
int uvp = frameSize + (j >> 1) * width;
ovp = yvu24 + frameSize + j * width;
oup = ovp + frameSize;
ImageType iuvp = yuv420sp + uvp;
for (int i = 0; i < width; i += 2)
{
v = *iuvp++;
u = *iuvp++;
*ovp++ = v;
*oup++ = u;
*ovp++ = v;
*oup++ = u;
}
memcpy(ovp, ovp - width, width * sizeof(unsigned char));
memcpy(oup, oup - width, width * sizeof(unsigned char));
}
}
JNIEXPORT void JNICALL Java_com_android_camera_panorama_Mosaic_allocateMosaicMemory(
JNIEnv* env, jobject thiz, jint width, jint height)
{
tWidth[HR] = width;
tHeight[HR] = height;
tWidth[LR] = int(width / H2L_FACTOR);
tHeight[LR] = int(height / H2L_FACTOR);
for(int i=0; i<MAX_FRAMES; i++)
{
tImage[LR][i] = ImageUtils::allocateImage(tWidth[LR], tHeight[LR],
ImageUtils::IMAGE_TYPE_NUM_CHANNELS);
tImage[HR][i] = ImageUtils::allocateImage(tWidth[HR], tHeight[HR],
ImageUtils::IMAGE_TYPE_NUM_CHANNELS);
}
AllocateTextureMemory(tWidth[HR], tHeight[HR], tWidth[LR], tHeight[LR]);
}
JNIEXPORT void JNICALL Java_com_android_camera_panorama_Mosaic_freeMosaicMemory(
JNIEnv* env, jobject thiz)
{
for(int i = 0; i < MAX_FRAMES; i++)
{
ImageUtils::freeImage(tImage[LR][i]);
ImageUtils::freeImage(tImage[HR][i]);
}
FreeTextureMemory();
}
void decodeYUV444SP(unsigned char* rgb, unsigned char* yuv420sp, int width,
int height)
{
int frameSize = width * height;
for (int j = 0, yp = 0; j < height; j++)
{
int vp = frameSize + j * width, u = 0, v = 0;
int up = vp + frameSize;
for (int i = 0; i < width; i++, yp++, vp++, up++)
{
int y = (0xff & ((int) yuv420sp[yp])) - 16;
if (y < 0) y = 0;
v = (0xff & yuv420sp[vp]) - 128;
u = (0xff & yuv420sp[up]) - 128;
int y1192 = 1192 * y;
int r = (y1192 + 1634 * v);
int g = (y1192 - 833 * v - 400 * u);
int b = (y1192 + 2066 * u);
if (r < 0) r = 0; else if (r > 262143) r = 262143;
if (g < 0) g = 0; else if (g > 262143) g = 262143;
if (b < 0) b = 0; else if (b > 262143) b = 262143;
//rgb[yp] = 0xff000000 | ((r << 6) & 0xff0000) | ((g >> 2) & 0xff00) | ((b >> 10) & 0xff);
int p = j*width*3+i*3;
rgb[p+0] = (r<<6 & 0xFF0000)>>16;
rgb[p+1] = (g>>2 & 0xFF00)>>8;
rgb[p+2] = b>>10 & 0xFF;
}
}
}
static int count = 0;
void ConvertYVUAiToPlanarYVU(unsigned char *planar, unsigned char *in, int width,
int height)
{
int planeSize = width * height;
unsigned char* Yptr = planar;
unsigned char* Vptr = planar + planeSize;
unsigned char* Uptr = Vptr + planeSize;
for (int i = 0; i < planeSize; i++)
{
*Yptr++ = *in++;
*Vptr++ = *in++;
*Uptr++ = *in++;
in++; // Alpha
}
}
JNIEXPORT jfloatArray JNICALL Java_com_android_camera_panorama_Mosaic_setSourceImageFromGPU(
JNIEnv* env, jobject thiz)
{
double t0, t1, time_c;
t0 = now_ms();
int ret_code;
if(frame_number_HR<MAX_FRAMES && frame_number_LR<MAX_FRAMES)
{
double last_tx = mTx;
sem_wait(&gPreviewImage_semaphore);
ConvertYVUAiToPlanarYVU(tImage[LR][frame_number_LR], gPreviewImage[LR],
tWidth[LR], tHeight[LR]);
sem_post(&gPreviewImage_semaphore);
ret_code = AddFrame(LR, frame_number_LR, gTRS);
if(ret_code == Mosaic::MOSAIC_RET_OK || ret_code == Mosaic::MOSAIC_RET_FEW_INLIERS)
{
// Copy into HR buffer only if this is a valid frame
sem_wait(&gPreviewImage_semaphore);
ConvertYVUAiToPlanarYVU(tImage[HR][frame_number_HR], gPreviewImage[HR],
tWidth[HR], tHeight[HR]);
sem_post(&gPreviewImage_semaphore);
frame_number_LR++;
frame_number_HR++;
}
}
else
{
gTRS[1] = gTRS[2] = gTRS[3] = gTRS[5] = gTRS[6] = gTRS[7] = 0.0f;
gTRS[0] = gTRS[4] = gTRS[8] = 1.0f;
}
UpdateWarpTransformation(gTRS);
gTRS[9] = frame_number_HR;
gTRS[10] = ret_code;
jfloatArray bytes = env->NewFloatArray(11);
if(bytes != 0)
{
env->SetFloatArrayRegion(bytes, 0, 11, (jfloat*) gTRS);
}
return bytes;
}
JNIEXPORT jfloatArray JNICALL Java_com_android_camera_panorama_Mosaic_setSourceImage(
JNIEnv* env, jobject thiz, jbyteArray photo_data)
{
double t0, t1, time_c;
t0 = now_ms();
int ret_code;
if(frame_number_HR<MAX_FRAMES && frame_number_LR<MAX_FRAMES)
{
jbyte *pixels = env->GetByteArrayElements(photo_data, 0);
YUV420toYVU24_NEW(tImage[HR][frame_number_HR], (ImageType)pixels,
tWidth[HR], tHeight[HR]);
env->ReleaseByteArrayElements(photo_data, pixels, 0);
double last_tx = mTx;
t0 = now_ms();
GenerateQuarterResImagePlanar(tImage[HR][frame_number_HR], tWidth[HR],
tHeight[HR], tImage[LR][frame_number_LR]);
sem_wait(&gPreviewImage_semaphore);
decodeYUV444SP(gPreviewImage[LR], tImage[LR][frame_number_LR],
gPreviewImageWidth[LR], gPreviewImageHeight[LR]);
sem_post(&gPreviewImage_semaphore);
ret_code = AddFrame(LR, frame_number_LR, gTRS);
if(ret_code == Mosaic::MOSAIC_RET_OK || ret_code == Mosaic::MOSAIC_RET_FEW_INLIERS)
{
frame_number_LR++;
frame_number_HR++;
}
}
else
{
gTRS[1] = gTRS[2] = gTRS[3] = gTRS[5] = gTRS[6] = gTRS[7] = 0.0f;
gTRS[0] = gTRS[4] = gTRS[8] = 1.0f;
}
UpdateWarpTransformation(gTRS);
gTRS[9] = frame_number_HR;
gTRS[10] = ret_code;
jfloatArray bytes = env->NewFloatArray(11);
if(bytes != 0)
{
env->SetFloatArrayRegion(bytes, 0, 11, (jfloat*) gTRS);
}
return bytes;
}
JNIEXPORT void JNICALL Java_com_android_camera_panorama_Mosaic_setBlendingType(
JNIEnv* env, jobject thiz, jint type)
{
blendingType = int(type);
}
JNIEXPORT void JNICALL Java_com_android_camera_panorama_Mosaic_setStripType(
JNIEnv* env, jobject thiz, jint type)
{
stripType = int(type);
}
JNIEXPORT void JNICALL Java_com_android_camera_panorama_Mosaic_reset(
JNIEnv* env, jobject thiz)
{
frame_number_HR = 0;
frame_number_LR = 0;
gProgress[LR] = 0.0;
gProgress[HR] = 0.0;
gCancelComputation[LR] = false;
gCancelComputation[HR] = false;
Init(LR,MAX_FRAMES);
}
JNIEXPORT jint JNICALL Java_com_android_camera_panorama_Mosaic_reportProgress(
JNIEnv* env, jobject thiz, jboolean hires, jboolean cancel_computation)
{
if(bool(hires))
gCancelComputation[HR] = cancel_computation;
else
gCancelComputation[LR] = cancel_computation;
if(bool(hires))
return (jint) gProgress[HR];
else
return (jint) gProgress[LR];
}
JNIEXPORT jint JNICALL Java_com_android_camera_panorama_Mosaic_createMosaic(
JNIEnv* env, jobject thiz, jboolean value)
{
high_res = bool(value);
int ret;
if(high_res)
{
LOGV("createMosaic() - High-Res Mode");
double t0, t1, time_c;
gProgress[HR] = 0.0;
t0 = now_ms();
Init(HR, frame_number_HR);
for(int k = 0; k < frame_number_HR; k++)
{
if (gCancelComputation[HR])
break;
AddFrame(HR, k, NULL);
gProgress[HR] += TIME_PERCENT_ALIGN/frame_number_HR;
}
if (gCancelComputation[HR])
{
ret = Mosaic::MOSAIC_RET_CANCELLED;
}
else
{
gProgress[HR] = TIME_PERCENT_ALIGN;
t1 = now_ms();
time_c = t1 - t0;
LOGV("AlignAll - %d frames [HR]: %g ms", frame_number_HR, time_c);
ret = Finalize(HR);
gProgress[HR] = 100.0;
}
high_res = false;
}
else
{
LOGV("createMosaic() - Low-Res Mode");
gProgress[LR] = TIME_PERCENT_ALIGN;
ret = Finalize(LR);
gProgress[LR] = 100.0;
}
return (jint) ret;
}
JNIEXPORT jintArray JNICALL Java_com_android_camera_panorama_Mosaic_getFinalMosaic(
JNIEnv* env, jobject thiz)
{
int y,x;
int width = mosaicWidth;
int height = mosaicHeight;
int imageSize = width * height;
// Convert back to RGB24
resultBGR = ImageUtils::allocateImage(mosaicWidth, mosaicHeight,
ImageUtils::IMAGE_TYPE_NUM_CHANNELS);
ImageUtils::yvu2bgr(resultBGR, resultYVU, mosaicWidth, mosaicHeight);
LOGV("MosBytes: %d, W = %d, H = %d", imageSize, width, height);
int* image = new int[imageSize];
int* dims = new int[2];
for(y=0; y<height; y++)
{
for(x=0; x<width; x++)
{
image[y*width+x] = (0xFF<<24) | (resultBGR[y*width*3+x*3+2]<<16)|
(resultBGR[y*width*3+x*3+1]<<8)| (resultBGR[y*width*3+x*3]);
}
}
dims[0] = width;
dims[1] = height;
ImageUtils::freeImage(resultBGR);
jintArray bytes = env->NewIntArray(imageSize+2);
if (bytes == 0) {
LOGE("Error in creating the image.");
delete[] image;
return 0;
}
env->SetIntArrayRegion(bytes, 0, imageSize, (jint*) image);
env->SetIntArrayRegion(bytes, imageSize, 2, (jint*) dims);
delete[] image;
delete[] dims;
return bytes;
}
JNIEXPORT jbyteArray JNICALL Java_com_android_camera_panorama_Mosaic_getFinalMosaicNV21(
JNIEnv* env, jobject thiz)
{
int y,x;
int width;
int height;
width = mosaicWidth;
height = mosaicHeight;
int imageSize = 1.5*width * height;
// Convert YVU to NV21 format in-place
ImageType V = resultYVU+mosaicWidth*mosaicHeight;
ImageType U = V+mosaicWidth*mosaicHeight;
for(int j=0; j<mosaicHeight/2; j++)
{
for(int i=0; i<mosaicWidth; i+=2)
{
V[j*mosaicWidth+i] = V[(2*j)*mosaicWidth+i]; // V
V[j*mosaicWidth+i+1] = U[(2*j)*mosaicWidth+i]; // U
}
}
LOGV("MosBytes: %d, W = %d, H = %d", imageSize, width, height);
unsigned char* dims = new unsigned char[8];
dims[0] = (unsigned char)(width >> 24);
dims[1] = (unsigned char)(width >> 16);
dims[2] = (unsigned char)(width >> 8);
dims[3] = (unsigned char)width;
dims[4] = (unsigned char)(height >> 24);
dims[5] = (unsigned char)(height >> 16);
dims[6] = (unsigned char)(height >> 8);
dims[7] = (unsigned char)height;
jbyteArray bytes = env->NewByteArray(imageSize+8);
if (bytes == 0) {
LOGE("Error in creating the image.");
ImageUtils::freeImage(resultYVU);
return 0;
}
env->SetByteArrayRegion(bytes, 0, imageSize, (jbyte*) resultYVU);
env->SetByteArrayRegion(bytes, imageSize, 8, (jbyte*) dims);
delete[] dims;
ImageUtils::freeImage(resultYVU);
return bytes;
}
#ifdef __cplusplus
}
#endif