IplImage* CvCapture_Android::retrieveFrame( int outputType )
{
IplImage* image = NULL;
cv::Mat m_frameYUV420_ref = m_frameYUV420;
unsigned char *current_frameYUV420=m_frameYUV420_ref.ptr();
//Attention! all the operations in this function below should occupy less time than the period between two frames from camera
if (NULL != current_frameYUV420)
{
if (m_frameFormat == noformat)
{
union {double prop; const char* name;} u;
u.prop = getProperty(CV_CAP_PROP_PREVIEW_FORMAT);
if (0 == strcmp(u.name, "yuv420sp"))
m_frameFormat = yuv420sp;
else if (0 == strcmp(u.name, "yvu420sp"))
m_frameFormat = yvu420sp;
else
m_frameFormat = yuvUnknown;
}
switch(outputType)
{
case CV_CAP_ANDROID_GREY_FRAME:
if (!m_hasGray)
if (!(m_hasGray = convertYUV2Grey(m_width, m_height, current_frameYUV420, m_frameGray.mat)))
return NULL;
image = m_frameGray.getIplImagePtr();
break;
case CV_CAP_ANDROID_COLOR_FRAME_BGR: case CV_CAP_ANDROID_COLOR_FRAME_RGB:
if (!m_hasColor)
if (!(m_hasColor = convertYUV2BGR(m_width, m_height, current_frameYUV420, m_frameColor.mat, outputType == CV_CAP_ANDROID_COLOR_FRAME_RGB, false)))
return NULL;
image = m_frameColor.getIplImagePtr();
break;
case CV_CAP_ANDROID_COLOR_FRAME_BGRA: case CV_CAP_ANDROID_COLOR_FRAME_RGBA:
if (!m_hasColor)
if (!(m_hasColor = convertYUV2BGR(m_width, m_height, current_frameYUV420, m_frameColor.mat, outputType == CV_CAP_ANDROID_COLOR_FRAME_RGBA, true)))
return NULL;
image = m_frameColor.getIplImagePtr();
break;
default:
LOGE("Unsupported frame output format: %d", outputType);
CV_Error( CV_StsOutOfRange, "Output frame format is not supported." );
image = NULL;
break;
}
}
return image;
}
virtual void startBlock(
const Block *b,
uint64_t
)
{
if(0<=cutoffBlock && cutoffBlock<b->height) wrapup();
uint8_t blockHash[kSHA256ByteSize];
sha256Twice(blockHash, b->data, 80);
const uint8_t *p = b->data;
SKIP(uint32_t, version, p);
SKIP(uint256_t, prevBlkHash, p);
SKIP(uint256_t, blkMerkleRoot, p);
LOAD(uint32_t, blkTime, p);
// id BIGINT PRIMARY KEY
// hash BINARY(32)
// time BIGINT
fprintf(blockFile, "%" PRIu64 "\t", (blkID = b->height-1));
writeEscapedBinaryBuffer(blockFile, blockHash, kSHA256ByteSize);
fputc('\t', blockFile);
fprintf(blockFile, "%" PRIu64 "\n", (uint64_t)blkTime);
if(0==(b->height)%500) {
fprintf(
stderr,
"block=%8" PRIu64 " "
"nbOutputs=%8" PRIu64 "\n",
b->height,
outputMap.size()
);
}
}
virtual void edge(
uint64_t value,
const uint8_t *upTXHash,
uint64_t outputIndex,
const uint8_t *outputScript,
uint64_t outputScriptSize,
const uint8_t *downTXHash,
uint64_t inputIndex,
const uint8_t *inputScript,
uint64_t inputScriptSize
) {
uint256_t h;
uint32_t oi = outputIndex;
memcpy(h.v, upTXHash, kSHA256ByteSize);
uintptr_t ih = reinterpret_cast<uintptr_t>(h.v);
uint32_t *h32 = reinterpret_cast<uint32_t *>(ih);
h32[0] ^= oi;
auto src = outputMap.find(h.v);
if (outputMap.end() == src) {
errFatal("unconnected input");
}
if (blkID >= firstBlock) {
fprintf(
inputFile,
"%" PRIu64 "|"
"%" PRIu64 "|"
"%" PRIu64 "|"
"%" PRIu32 "\n"
,
inputID++,
src->second,
txID,
(uint32_t)inputIndex
);
} else {
inputID++;
}
}
virtual void edge(
uint64_t value,
const uint8_t *upTXHash,
uint64_t outputIndex,
const uint8_t *outputScript,
uint64_t outputScriptSize,
const uint8_t *downTXHash,
uint64_t inputIndex,
const uint8_t *inputScript,
uint64_t inputScriptSize
)
{
uint256_t h;
uint32_t oi = outputIndex;
memcpy(h.v, upTXHash, kSHA256ByteSize);
uintptr_t ih = reinterpret_cast<uintptr_t>(h.v);
uint32_t *h32 = reinterpret_cast<uint32_t*>(ih);
h32[0] ^= oi;
auto src = outputMap.find(h.v);
if(outputMap.end()==src) errFatal("unconnected input");
// id BIGINT PRIMARY KEY
// outputID BIGINT
// txID BIGINT
// offset INT
fprintf(
inputFile,
"%" PRIu64 "\t"
"%" PRIu64 "\t"
"%" PRIu64 "\t"
"%" PRIu32 "\n"
,
inputID++,
src->second,
txID,
(uint32_t)outputIndex
);
}
IplImage* CvCapture_Android::retrieveFrame( int outputType )
{
IplImage* image = NULL;
unsigned char *current_frameYUV420i=m_frameYUV420i;
//Attention! all the operations in this function below should occupy less time than the period between two frames from camera
if (NULL != current_frameYUV420i)
{
switch(outputType)
{
case CV_CAP_ANDROID_GREY_FRAME:
if (!m_hasGray)
if (!(m_hasGray = convertYUV420i2Grey(m_width, m_height, current_frameYUV420i, m_frameGray.mat)))
return NULL;
image = m_frameGray.getIplImagePtr();
break;
case CV_CAP_ANDROID_COLOR_FRAME_BGR: case CV_CAP_ANDROID_COLOR_FRAME_RGB:
if (!m_hasColor)
if (!(m_hasColor = convertYUV420i2BGR(m_width, m_height, current_frameYUV420i, m_frameColor.mat, outputType == CV_CAP_ANDROID_COLOR_FRAME_RGB, false)))
return NULL;
image = m_frameColor.getIplImagePtr();
break;
case CV_CAP_ANDROID_COLOR_FRAME_BGRA: case CV_CAP_ANDROID_COLOR_FRAME_RGBA:
if (!m_hasColor)
if (!(m_hasColor = convertYUV420i2BGR(m_width, m_height, current_frameYUV420i, m_frameColor.mat, outputType == CV_CAP_ANDROID_COLOR_FRAME_RGBA, true)))
return NULL;
image = m_frameColor.getIplImagePtr();
break;
default:
LOGE("Unsupported frame output format: %d", outputType);
CV_Error( CV_StsOutOfRange, "Output frame format is not supported." );
image = NULL;
break;
}
}
return image;
}
virtual void startBlock(
const Block *b,
uint64_t chainSize
)
{
uint8_t blockHash[kSHA256ByteSize];
sha256Twice(blockHash, b->data, 80);
const uint8_t *p = b->data;
SKIP(uint32_t, version, p);
SKIP(uint256_t, prevBlkHash, p);
SKIP(uint256_t, blkMerkleRoot, p);
LOAD(uint32_t, blkTime, p);
blkID = b->height - 1;
if (blkID >= cutoffBlock)
{
// block_id BIGINT PRIMARY KEY
// block_hash BINARY(32)
// time BIGINT
fprintf(blockFile, "%" PRIu64 "|", blkID);
writeEscapedBinaryBuffer(blockFile, blockHash, kSHA256ByteSize);
fputc('|', blockFile);
fprintf(blockFile, "%" PRIu64 "\n", (uint64_t)blkTime);
}
if (0 == (blkID) % 5000)
{
fprintf(
stderr,
"block=%8" PRIu64 " "
"nbOutputs=%9" PRIu64 "\n",
blkID,
outputMap.size()
);
}
}
virtual void startBlock(
const Block *b,
uint64_t
) {
if (lastBlock < b->height) {
wrapup();
}
auto p = b->chunk->getData();
uint8_t blockHash[kSHA256ByteSize];
sha256Twice(blockHash, p, 80);
SKIP(uint32_t, version, p);
SKIP(uint256_t, prevBlkHash, p);
SKIP(uint256_t, blkMerkleRoot, p);
LOAD(uint32_t, blkTime, p);
blkID = b->height - 1;
if (blkID >= firstBlock) {
fprintf(blockFile, "%" PRIu64 "|", blkID);
writeHexEscapedBinaryBuffer(blockFile, blockHash, kSHA256ByteSize);
fputc('|', blockFile);
fprintf(blockFile, "%" PRIu64 "\n", (uint64_t)blkTime);
}
if (0 == blkID % 5000) {
fprintf(
stderr,
"block=%8" PRIu64 " "
"nbOutputs=%9" PRIu64 "\n",
blkID,
outputMap.size()
);
}
}
virtual int init(
int argc,
const char *argv[]
) {
txID = -1;
blkID = 0;
inputID = 0;
outputID = 0;
static uint64_t sz = 32 * 1000 * 1000;
outputMap.setEmptyKey(empty);
outputMap.resize(sz);
optparse::Values& values = parser.parse_args(argc, argv);
lastBlock = values.get("atBlock").asUInt64();
if (!file_exists("../blockchain/blockchain.sqlite"))
{
firstBlock = 0;
}
else
{
sqlite3pp::database db("../blockchain/blockchain.sqlite");
sqlite3pp::query qry(db, "SELECT MAX(block_id) FROM blocks");
sqlite3pp::query::iterator i = qry.begin();
firstBlock = (uint64_t)atoi((*i).get<char const *>(0)) + 1;
info("Resuming from block %" PRIu64 ".\n", firstBlock);
}
info("Dumping the blockchain...");
txFile = fopen("tx.txt", "w");
if (!txFile) sysErrFatal("couldn't open file txs.txt for writing\n");
blockFile = fopen("blocks.txt", "w");
if (!blockFile) sysErrFatal("couldn't open file blocks.txt for writing\n");
inputFile = fopen("txin.txt", "w");
if (!inputFile) sysErrFatal("couldn't open file inputs.txt for writing\n");
outputFile = fopen("txout.txt", "w");
if (!outputFile) sysErrFatal("couldn't open file outputs.txt for writing\n");
FILE *sqlFile = fopen("blockchain.sql", "w");
if (!sqlFile) sysErrFatal("couldn't open file blockChain.sql for writing\n");
fprintf(
sqlFile,
"PRAGMA journal_mode=MEMORY;\n"
"PRAGMA synchronous=0;\n"
"CREATE TABLE IF NOT EXISTS blocks(\n"
" block_id BIGINT NOT NULL PRIMARY KEY,\n"
" block_hash TEXT NOT NULL,\n"
" time BIGINT NOT NULL\n"
");\n"
"\n"
"CREATE TABLE IF NOT EXISTS tx(\n"
" tx_id BIGINT NOT NULL PRIMARY KEY,\n"
" tx_hash TEXT NOT NULL,\n"
" block_id BIGINT NOT NULL,\n"
" FOREIGN KEY (block_id) REFERENCES blocks (block_id)\n"
");\n"
"\n"
"CREATE TABLE IF NOT EXISTS txout(\n"
" txout_id BIGINT NOT NULL PRIMARY KEY,\n"
" address CHAR(40),\n"
" txout_value BIGINT NOT NULL,\n"
" tx_id BIGINT NOT NULL,\n"
" txout_pos INT NOT NULL,\n"
" FOREIGN KEY (tx_id) REFERENCES tx (tx_id)\n"
");\n"
"\n"
"CREATE TABLE IF NOT EXISTS txin(\n"
" txin_id BIGINT NOT NULL PRIMARY KEY,\n"
" txout_id BIGINT NOT NULL,\n"
" tx_id BIGINT NOT NULL,\n"
" txin_pos INT NOT NULL,\n"
" FOREIGN KEY (tx_id) REFERENCES tx (tx_id)\n"
");\n"
"CREATE INDEX IF NOT EXISTS x_txin_txout ON txin (txout_id);\n"
"CREATE INDEX IF NOT EXISTS x_txout_address ON txout (address);\n"
"CREATE INDEX IF NOT EXISTS x_txin_txid ON txin (tx_id);\n"
"CREATE INDEX IF NOT EXISTS x_txout_txid ON txout (tx_id);\n"
"CREATE INDEX IF NOT EXISTS x_txout_value ON txout (txout_value);\n"
"CREATE VIEW IF NOT EXISTS tx_full AS SELECT blocks.time, tx.tx_hash, tx.tx_id, txout.address, txout.txout_value FROM txout LEFT JOIN tx ON (tx.tx_id = txout.tx_id) LEFT JOIN blocks ON (tx.block_id = blocks.block_id);\n"
"\n"
);
fclose(sqlFile);
FILE *bashFile = fopen("blockchain.sh", "w");
if (!bashFile) sysErrFatal("Couldn't open file blockchain.sh for writing!\n");
fprintf(
bashFile,
"\n"
"#!/bin/bash\n"
"\n"
"echo 'Recreating DB blockchain...'\n"
"mkdir ../blockchain\n"
"sqlite3 ../blockchain/blockchain.sqlite < blockchain.sql\n"
"rm -f blockchain.sql\n"
"echo done.\n"
"echo\n"
"rm -f blockchain.sql\n"
"\n"
"for i in blocks txin txout tx\n"
"do\n"
" echo \"Importing table ${i}...\"\n"
" echo \".import $i.txt $i\" | sqlite3 ../blockchain/blockchain.sqlite\n"
" echo done.\n"
" rm -f $i.txt\n"
" echo\n"
"done\n"
"rm -f blockchain.sh\n"
"\n"
);
fclose(bashFile);
return 0;
}
virtual int init(
int argc,
const char *argv[]
)
{
txID = 0;
blkID = 0;
inputID = 0;
outputID = 0;
static uint64_t sz = 32 * 1000 * 1000;
outputMap.setEmptyKey(empty);
outputMap.resize(sz);
optparse::Values &values = parser.parse_args(argc, argv);
cutoffBlock = values.get("atBlock");
info("dumping the blockchain ...");
txFile = fopen("transactions.txt", "w");
if(!txFile) sysErrFatal("couldn't open file txs.txt for writing\n");
blockFile = fopen("blocks.txt", "w");
if(!blockFile) sysErrFatal("couldn't open file blocks.txt for writing\n");
inputFile = fopen("inputs.txt", "w");
if(!inputFile) sysErrFatal("couldn't open file inputs.txt for writing\n");
outputFile = fopen("outputs.txt", "w");
if(!outputFile) sysErrFatal("couldn't open file outputs.txt for writing\n");
FILE *sqlFile = fopen("blockChain.sql", "w");
if(!sqlFile) sysErrFatal("couldn't open file blockChain.sql for writing\n");
fprintf(
sqlFile,
"\n"
"DROP DATABASE IF EXISTS blockChain;\n"
"CREATE DATABASE blockChain;\n"
"USE blockChain;\n"
"\n"
"DROP TABLE IF EXISTS transactions;\n"
"DROP TABLE IF EXISTS outputs;\n"
"DROP TABLE IF EXISTS inputs;\n"
"DROP TABLE IF EXISTS blocks;\n"
"\n"
"CREATE TABLE blocks(\n"
" id BIGINT PRIMARY KEY,\n"
" hash BINARY(32),\n"
" time BIGINT\n"
");\n"
"\n"
"CREATE TABLE transactions(\n"
" id BIGINT PRIMARY KEY,\n"
" hash BINARY(32),\n"
" blockID BIGINT\n"
");\n"
"\n"
"CREATE TABLE outputs(\n"
" id BIGINT PRIMARY KEY,\n"
" dstAddress CHAR(36),\n"
" value BIGINT,\n"
" txID BIGINT,\n"
" offset INT\n"
");\n"
"\n"
"CREATE TABLE inputs(\n"
" id BIGINT PRIMARY KEY,\n"
" outputID BIGINT,\n"
" txID BIGINT,\n"
" offset INT\n"
");\n"
"\n"
);
fclose(sqlFile);
FILE *bashFile = fopen("blockChain.bash", "w");
if(!bashFile) sysErrFatal("couldn't open file blockChain.bash for writing\n");
fprintf(
bashFile,
"\n"
"#!/bin/bash\n"
"\n"
"echo\n"
"\n"
"echo 'wiping/re-creating DB blockChain ...'\n"
"time mysql -u root -p -hlocalhost --password='' < blockChain.sql\n"
"echo done\n"
"echo\n"
"\n"
"for i in blocks inputs outputs transactions\n"
"do\n"
" echo Importing table $i ...\n"
" time mysqlimport -u root -p -hlocalhost --password='' --lock-tables --use-threads=3 --local blockChain $i.txt\n"
" echo done\n"
" echo\n"
"done\n"
"\n"
);
fclose(bashFile);
return 0;
}
