BufferRef HeaderInterface::removeHeader( const BufferRef& buffer )
{
string msg = bufferToString( buffer );
size_t offset = msg.find( sCrLf + sCrLf );
size_t sz = buffer->getSize();
if ( offset < sz ) {
size_t len = ( sz - offset ) - 4;
BufferRef body = Buffer::create( len );
char_traits<char>::copy( (char*)body->getData(), (char*)buffer->getData() + ( offset + 4 ), len );
return body;
} else {
return Buffer::create( 0 );
}
}
BufferRef COBSEncode(const BufferRef& buffer) {
size_t maxEncodedSize = buffer->getSize() + ceil(static_cast<float>(buffer->getSize()) / 254) + 1;
BufferRef encodeBuffer = Buffer::create(maxEncodedSize);
size_t encodedSize = COBSEncode(reinterpret_cast<const uint8_t*>(buffer->getData()), buffer->getSize(), reinterpret_cast<uint8_t*>(encodeBuffer->getData()));
encodeBuffer->resize(encodedSize);
return encodeBuffer;
}
BufferRef SLIPEncode(const BufferRef& buffer) {
size_t maxEncodedSize = 2 * buffer->getSize() + 2;
BufferRef encodeBuffer = Buffer::create(maxEncodedSize);
size_t encodedSize = SLIPEncode(reinterpret_cast<const uint8_t*>(buffer->getData()), buffer->getSize(), reinterpret_cast<uint8_t*>(encodeBuffer->getData()));
encodeBuffer->resize(encodedSize);
return encodeBuffer;
}
BufferRef COBSDecode(const BufferRef& buffer) {
size_t maxDecodedSize = buffer->getSize() - 1;
BufferRef decodeBuffer = Buffer::create(maxDecodedSize);
size_t decodedSize = COBSDecode(reinterpret_cast<const uint8_t*>(buffer->getData()), buffer->getSize(), reinterpret_cast<uint8_t*>(decodeBuffer->getData()));
decodeBuffer->resize(decodedSize);
return decodeBuffer;
}
void CinderVideoStreamServerApp::update()
{
if( mCapture && mCapture->checkNewFrame() ) {
Surface8uRef surf = mCapture->getSurface();
#ifdef USE_JPEG_COMPRESSION
OStreamMemRef os = OStreamMem::create();
DataTargetRef target = DataTargetStream::createRef( os );
writeImage( target, *surf, ImageTarget::Options().quality(mQuality), "jpeg" );
const void *data = os->getBuffer();
size_t dataSize = os->tell();
totalStreamSize += dataSize;
BufferRef bufRef = Buffer::create(dataSize);
memcpy(bufRef->getData(), data, dataSize);
SurfaceRef jpeg = Surface::create(loadImage( DataSourceBuffer::create(bufRef)), SurfaceConstraintsDefault(), false );
queueToServer->push(jpeg->getData());
mTexture = gl::Texture::create( *jpeg );
mStatus.assign("Streaming JPG (")
.append(std::to_string((int)(mQuality*100.0f)))
.append("%) ")
.append(std::to_string((int)(totalStreamSize*0.001/getElapsedSeconds())))
.append(" kB/sec ")
.append(std::to_string((int)getFrameRate()))
.append(" fps ");
#else
queueToServer->push(surf->getData());
mTexture = gl::Texture::create( *surf );
mStatus.assign("Streaming ").append(std::to_string((int)getFrameRate())).append(" fps");
#endif
}
}
BufferRef SLIPDecode(const BufferRef& buffer) {
// should not assume double-ENDed variant
size_t maxDecodedSize = buffer->getSize() - 1;
BufferRef decodeBuffer = Buffer::create(maxDecodedSize);
size_t decodedSize = SLIPDecode(reinterpret_cast<const uint8_t*>(buffer->getData()), buffer->getSize(), reinterpret_cast<uint8_t*>(decodeBuffer->getData()));
decodeBuffer->resize(decodedSize);
return decodeBuffer;
}
BufferRef HeaderInterface::toBuffer() const
{
string header = headerToString();
size_t sz = header.size();
BufferRef buffer = Buffer::create( sz );
char_traits<char>::copy( (char*)buffer->getData(), (char*)&header[ 0 ], sz );
return buffer;
}
void TcpSession::write( const BufferRef& buffer )
{
ostream stream( &mRequest );
if ( buffer && buffer->getSize() > 0 ) {
stream.write( (const char*)buffer->getData(), buffer->getSize() );
}
asio::async_write( *mSocket, mRequest,
mStrand.wrap( boost::bind( &TcpSession::onWrite, shared_from_this(),
asio::placeholders::error,
asio::placeholders::bytes_transferred ) ) );
mRequest.consume( mRequest.size() );
}
void UdpSession::write( const BufferRef& buffer )
{
ostream stream( &mRequest );
if ( buffer && buffer->getSize() > 0 ) {
stream.write( (const char*)buffer->getData(), buffer->getSize() );
}
mSocket->async_send( mRequest.data(),
mStrand.wrap( boost::bind( &UdpSession::onWrite, shared_from_this(),
asio::placeholders::error,
asio::placeholders::bytes_transferred ) ) );
mSocket->set_option( asio::socket_base::broadcast( true ) );
mEndpointLocal = mSocket->local_endpoint();
mRequest.consume( mRequest.size() );
}
ImFont* Renderer::addFont( ci::DataSourceRef font, float size, const ImWchar* glyph_ranges )
{
ImFontAtlas* fontAtlas = ImGui::GetIO().Fonts;
Font ciFont( font, size );
BufferRef buffer = font->getBuffer();
void* bufferCopy = (void*) malloc( buffer->getSize() );
memcpy( bufferCopy, buffer->getData(), buffer->getSize() );
ImFontConfig config;
ImFont* newFont = fontAtlas->AddFontFromMemoryTTF( bufferCopy, buffer->getSize(), size, &config, glyph_ranges );
mFonts.insert( make_pair( font->getFilePath().stem().string(), newFont ) );
return newFont;
}
void PS3EyeSlowMoApp::update()
{
if(eye)
{
bool isNewFrame = eye->isNewFrame();
if(isNewFrame)
{
yuv422_to_rgba(eye->getLastFramePointer(), eye->getRowBytes(), frame_bgra, mFrame.getWidth(), mFrame.getHeight());
//Surface source = mFrame.clone();
OStreamMemRef os = OStreamMem::create();
DataTargetRef target = DataTargetStream::createRef( os );
writeImage( target, mFrame, ImageTarget::Options(), "jpeg" );
const void *data = os->getBuffer();
size_t dataSize = os->tell();
BufferRef buf = Buffer::create(dataSize );
memcpy(buf->getData(), data, dataSize);
surfaceVector.push_back(Surface( loadImage( DataSourceBuffer::create(buf)), SurfaceConstraintsDefault(), false ));
}
mCamFrameCount += isNewFrame ? 1 : 0;
double now = mTimer.getSeconds();
if( now > mCamFpsLastSampleTime + 1 ) {
uint32_t framesPassed = mCamFrameCount - mCamFpsLastSampleFrame;
mCamFps = (float)(framesPassed / (now - mCamFpsLastSampleTime));
mCamFpsLastSampleTime = now;
mCamFpsLastSampleFrame = mCamFrameCount;
}
mFrameRate = eye->getFrameRate();
}
mQueueSize = surfaceVector.size();
currentFrame++;
}
ImageSourceFileTinyExr::ImageSourceFileTinyExr( DataSourceRef dataSource, ImageSource::Options /*options*/ )
{
mExrImage.reset( new EXRImage );
const char *error;
InitEXRImage( mExrImage.get() );
int status = 0;
if( dataSource->isFilePath() ) {
status = ParseMultiChannelEXRHeaderFromFile( mExrImage.get(), dataSource->getFilePath().string().c_str(), &error );
if( status != 0 )
throw ImageIoExceptionFailedLoadTinyExr( string( "Failed to parse OpenEXR header; Error message: " ) + error );
status = LoadMultiChannelEXRFromFile( mExrImage.get(), dataSource->getFilePath().string().c_str(), &error );
if( status != 0 )
throw ImageIoExceptionFailedLoadTinyExr( string( "Failed to parse OpenEXR file; Error message: " ) + error );
}
else {
BufferRef buffer = dataSource->getBuffer();
status = ParseMultiChannelEXRHeaderFromMemory( mExrImage.get(), (const unsigned char*)buffer->getData(), &error );
if( status != 0 )
throw ImageIoExceptionFailedLoadTinyExr( string( "Failed to parse OpenEXR header; Error message: " ) + error );
status = LoadMultiChannelEXRFromMemory( mExrImage.get(), (const unsigned char*)buffer->getData(), &error );
if( status != 0 )
throw ImageIoExceptionFailedLoadTinyExr( string( "Failed to parse OpenEXR file; Error message: " ) + error );
}
// verify that the channels are all the same size; currently we don't support variably sized channels
int pixelType = mExrImage->pixel_types[0];
for( int c = 1; c < mExrImage->num_channels; ++c ) {
if( pixelType != mExrImage->pixel_types[c] )
throw ImageIoExceptionFailedLoadTinyExr( "TinyExr: heterogneous channel data types not supported" );
}
switch( pixelType ) {
case TINYEXR_PIXELTYPE_HALF:
setDataType( ImageIo::FLOAT16 );
break;
case TINYEXR_PIXELTYPE_FLOAT:
setDataType( ImageIo::FLOAT32 );
break;
default:
throw ImageIoExceptionFailedLoadTinyExr( "TinyExr: Unknown data type" );
break;
}
setSize( mExrImage->width, mExrImage->height );
switch( mExrImage->num_channels ) {
case 3:
setColorModel( ImageIo::CM_RGB );
setChannelOrder( ImageIo::ChannelOrder::RGB );
break;
case 4:
setColorModel( ImageIo::CM_RGB );
setChannelOrder( ImageIo::ChannelOrder::RGBA );
break;
default:
throw ImageIoExceptionFailedLoadTinyExr( "TinyExr: Unsupported number of channels (" + to_string( mExrImage->num_channels ) + ")" );
}
}
void PusherDiscoveryService::onRead( BufferRef buffer )
{
// mPushersMutex.lock();
uint8_t *data =(uint8_t*)buffer->getData();
DeviceHeader header = DeviceHeader( data, buffer->getSize() );
string macAddr = header.getMacAddressString();
PixelPusherRef thisDevice, incomingDevice;
// ignore non-PixelPusher devices
if ( header.getDeviceType() != DeviceType::PIXELPUSHER )
return;
incomingDevice = PixelPusher::create( header );
for( size_t k=0; k < mPushersInternal.size(); k++ )
{
if ( !mPushersInternal[k] )
continue;
if ( mPushersInternal[k]->getMacAddress() == incomingDevice->getMacAddress() )
{
thisDevice = mPushersInternal[k];
break;
}
}
if ( !thisDevice )
{
thisDevice = incomingDevice;
addNewPusher( thisDevice );
}
else
{
if ( !thisDevice->isEqual( incomingDevice ) )
{
thisDevice->copyHeader( incomingDevice );
}
else
{
// The device is identical, nothing important has changed
thisDevice->updateVariables( incomingDevice );
// if we dropped more than occasional packets, slow down a little
if ( incomingDevice->getDeltaSequence() > 3 )
thisDevice->increaseExtraDelay(5);
if ( incomingDevice->getDeltaSequence() < 1 )
thisDevice->decreaseExtraDelay(1);
}
}
// Set the timestamp for the last time this device checked in
thisDevice->setLastPing( getElapsedSeconds() );
// update the power limit variables
if ( TotalPowerLimit > 0 )
{
TotalPower = 0;
for( size_t k=0; k < mPushersInternal.size(); k++ )
TotalPower += mPushersInternal[k]->getPowerTotal();
PowerScale = ( TotalPower > TotalPowerLimit ) ? ( TotalPowerLimit / TotalPower ) : 1.0;
}
// mPushersMutex.unlock();
// continue reading
mSession->read();
}
