/**
* @brief
*
* @return
*/
int HttpStream::run()
{
Select select( 60 );
select.addWriter( mConnection->socket() );
if ( !waitForProviders() )
return( 1 );
while ( !mStop && select.wait() >= 0 )
{
if ( mStop )
break;
Select::CommsList writeable = select.getWriteable();
if ( writeable.size() <= 0 )
{
Error( "Writer timed out" );
mStop = true;
break;
}
mQueueMutex.lock();
if ( !mFrameQueue.empty() )
{
for ( FrameQueue::iterator iter = mFrameQueue.begin(); iter != mFrameQueue.end(); iter++ )
{
sendFrame( writeable, *iter );
//delete *iter;
}
mFrameQueue.clear();
}
mQueueMutex.unlock();
usleep( INTERFRAME_TIMEOUT );
}
return( 0 );
}
/**
* @brief
*
* @return
*/
int QueuedVideoFilter::run()
{
if ( waitForProviders() )
{
while ( !mStop )
{
mQueueMutex.lock();
if ( !mFrameQueue.empty() )
{
Debug( 3, "Got %zd frames on queue", mFrameQueue.size() );
for ( FrameQueue::iterator iter = mFrameQueue.begin(); iter != mFrameQueue.end(); iter++ )
{
distributeFrame( *iter );
mFrameCount++;
}
mFrameQueue.clear();
}
mQueueMutex.unlock();
checkProviders();
// Quite short so we can always keep up with the required packet rate for 25/30 fps
usleep( INTERFRAME_TIMEOUT );
}
}
FeedProvider::cleanup();
FeedConsumer::cleanup();
return( !ended() );
}
/**
* @brief
*
* @return
*/
int FilterSwapUV::run()
{
if ( waitForProviders() )
{
uint16_t inputWidth = videoProvider()->width();
uint16_t inputHeight = videoProvider()->height();
PixelFormat inputPixelFormat = videoProvider()->pixelFormat();
ByteBuffer tempBuffer;
int yChannelSize = inputWidth*inputHeight;
int uvChannelSize = yChannelSize/4;
if ( inputPixelFormat != PIX_FMT_YUV420P )
Fatal( "Can't swap UV for pixel format %d", inputPixelFormat );
while ( !mStop )
{
mQueueMutex.lock();
if ( !mFrameQueue.empty() )
{
Debug( 3, "Got %zd frames on queue", mFrameQueue.size() );
for ( FrameQueue::iterator iter = mFrameQueue.begin(); iter != mFrameQueue.end(); iter++ )
{
//const VideoFrame *frame = dynamic_cast<const VideoFrame *>(iter->get());
//FramePtr framePtr( *iter );
const FeedFrame *frame = (*iter).get();
Debug(1, "%s / Provider: %s, Source: %s, Frame: %p (%ju / %.3f) - %lu", cname(), frame->provider()->cidentity(), frame->originator()->cidentity(), frame, frame->id(), frame->age(), frame->buffer().size() );
//Image image( inputPixelFormat, inputWidth, inputHeight, frame->buffer().data() );
tempBuffer.size( frame->buffer().size() );
memcpy( tempBuffer.data(), frame->buffer().data(), yChannelSize );
memcpy( tempBuffer.data()+yChannelSize, frame->buffer().data()+yChannelSize+uvChannelSize, uvChannelSize);
memcpy( tempBuffer.data()+yChannelSize+uvChannelSize, frame->buffer().data()+yChannelSize, uvChannelSize);
VideoFrame *videoFrame = new VideoFrame( this, *iter, mFrameCount, frame->timestamp(), tempBuffer );
distributeFrame( FramePtr( videoFrame ) );
//delete *iter;
mFrameCount++;
}
mFrameQueue.clear();
}
mQueueMutex.unlock();
checkProviders();
// Quite short so we can always keep up with the required packet rate for 25/30 fps
usleep( INTERFRAME_TIMEOUT );
}
}
FeedProvider::cleanup();
FeedConsumer::cleanup();
return( !ended() );
}
/**
* @brief
*
* @return
*/
int ImageTimestamper::run()
{
if ( waitForProviders() )
{
uint16_t inputWidth = videoProvider()->width();
uint16_t inputHeight = videoProvider()->height();
PixelFormat inputPixelFormat = videoProvider()->pixelFormat();
while ( !mStop )
{
mQueueMutex.lock();
if ( !mFrameQueue.empty() )
{
Debug( 3, "Got %zd frames on queue", mFrameQueue.size() );
for ( FrameQueue::iterator iter = mFrameQueue.begin(); iter != mFrameQueue.end(); iter++ )
{
//const VideoFrame *frame = dynamic_cast<const VideoFrame *>(iter->get());
//FramePtr framePtr( *iter );
const FeedFrame *frame = (*iter).get();
Debug(1, "%s / Provider: %s, Source: %s, Frame: %p (%ju / %.3f) - %lu", cname(), frame->provider()->cidentity(), frame->originator()->cidentity(), frame, frame->id(), frame->age(), frame->buffer().size() );
Image image( inputPixelFormat, inputWidth, inputHeight, frame->buffer().data() );
if ( timestampImage( &image, frame->timestamp() ) )
{
VideoFrame *videoFrame = new VideoFrame( this, *iter, mFrameCount, frame->timestamp(), image.buffer() );
distributeFrame( FramePtr( videoFrame ) );
}
else
{
distributeFrame( *iter );
}
//delete *iter;
mFrameCount++;
}
mFrameQueue.clear();
}
mQueueMutex.unlock();
checkProviders();
// Quite short so we can always keep up with the required packet rate for 25/30 fps
usleep( INTERFRAME_TIMEOUT );
}
}
FeedProvider::cleanup();
FeedConsumer::cleanup();
return( !ended() );
}
/**
* @brief
*
* @return
*/
int LocalFileDump::run()
{
std::string filePath;
FILE *fileDesc = NULL;
if ( waitForProviders() )
{
while( !mStop )
{
mQueueMutex.lock();
if ( !mFrameQueue.empty() )
{
for ( FrameQueue::iterator iter = mFrameQueue.begin(); iter != mFrameQueue.end(); iter++ )
{
const FeedFrame *frame = iter->get();
Info( "F:%ld", frame->buffer().size() );
if ( filePath.empty() )
{
filePath = stringtf( "%s/%s-%s", mLocation.c_str(), mName.c_str(), frame->provider()->cidentity() );
Info( "Path: %s", filePath.c_str() );
fileDesc = fopen( filePath.c_str(), "w" );
if ( !fileDesc )
Fatal( "Failed to open dump file '%s': %s", filePath.c_str(), strerror(errno) );
}
if ( fwrite( frame->buffer().data(), frame->buffer().size(), 1, fileDesc ) <= 0 )
Fatal( "Failed to write to dump file '%s': %s", filePath.c_str(), strerror(errno) );
//delete *iter;
}
mFrameQueue.clear();
}
mQueueMutex.unlock();
checkProviders();
usleep( INTERFRAME_TIMEOUT );
}
fclose( fileDesc );
}
cleanup();
return( 0 );
}
int NotifyOutput::run()
{
if ( waitForProviders() )
{
while( !mStop )
{
mQueueMutex.lock();
if ( !mFrameQueue.empty() )
{
for ( FrameQueue::iterator iter = mFrameQueue.begin(); iter != mFrameQueue.end(); iter++ )
{
processFrame( *iter );
}
mFrameQueue.clear();
}
mQueueMutex.unlock();
checkProviders();
usleep( INTERFRAME_TIMEOUT );
}
}
cleanup();
return( 0 );
}
/**
* @brief
*
* @return
*/
int ImageScale::run()
{
AVFrame *inputFrame = av_frame_alloc();
AVFrame *outputFrame = av_frame_alloc();
if ( waitForProviders() )
{
uint16_t inputWidth = videoProvider()->width();
uint16_t inputHeight = videoProvider()->height();
PixelFormat pixelFormat = videoProvider()->pixelFormat();
mWidth = inputWidth * mScale;
mHeight = inputHeight * mScale;
// Prepare for image format and size conversions
mScaleContext = sws_getContext( inputWidth, inputHeight, pixelFormat, mWidth, mHeight, pixelFormat, SWS_BILINEAR, NULL, NULL, NULL );
if ( !mScaleContext )
Fatal( "Unable to create scale context" );
Debug( 1,"Scaling from %d x %d -> %d x %d", inputWidth, inputHeight, mWidth, mHeight );
Debug( 1,"%d bytes -> %d bytes", avpicture_get_size( pixelFormat, inputWidth, inputHeight ), avpicture_get_size( pixelFormat, mWidth, mHeight ) );
// Make space for anything that is going to be output
ByteBuffer outputBuffer;
outputBuffer.size( avpicture_get_size( pixelFormat, mWidth, mHeight ) );
// To get offsets only
avpicture_fill( (AVPicture *)outputFrame, outputBuffer.data(), pixelFormat, mWidth, mHeight );
while ( !mStop )
{
mQueueMutex.lock();
if ( !mFrameQueue.empty() )
{
Debug( 3, "Got %zd frames on queue", mFrameQueue.size() );
for ( FrameQueue::iterator iter = mFrameQueue.begin(); iter != mFrameQueue.end(); iter++ )
{
//const VideoFrame *frame = dynamic_cast<const VideoFrame *>(iter->get());
//FramePtr framePtr( *iter );
const FeedFrame *frame = (*iter).get();
if ( mWidth != inputWidth || mHeight != inputHeight )
{
// Requires conversion
Debug( 1,"%s / Provider: %s, Source: %s, Frame: %p (%ju / %.3f) - %lu", cname(), frame->provider()->cidentity(), frame->originator()->cidentity(), frame, frame->id(), frame->age(), frame->buffer().size() );
avpicture_fill( (AVPicture *)inputFrame, frame->buffer().data(), pixelFormat, inputWidth, inputHeight );
// Reformat the input frame to fit the desired output format
if ( sws_scale( mScaleContext, inputFrame->data, inputFrame->linesize, 0, inputHeight, outputFrame->data, outputFrame->linesize ) < 0 )
Fatal( "Unable to convert input frame (%dx%d) to output frame (%dx%d) at frame %ju", inputWidth, inputHeight, mWidth, mHeight, mFrameCount );
VideoFrame *videoFrame = new VideoFrame( this, *iter, mFrameCount, frame->timestamp(), outputBuffer );
distributeFrame( FramePtr( videoFrame ) );
}
else
{
// Send it out 'as is'
distributeFrame( *iter );
}
//delete *iter;
mFrameCount++;
}
mFrameQueue.clear();
}
mQueueMutex.unlock();
checkProviders();
// Quite short so we can always keep up with the required packet rate for 25/30 fps
usleep( INTERFRAME_TIMEOUT );
}
FeedProvider::cleanup();
FeedConsumer::cleanup();
sws_freeContext( mScaleContext );
mScaleContext = NULL;
}
av_free( outputFrame );
av_free( inputFrame );
return( !ended() );
}