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added preview option to show decoded stream in Audio config

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This commit is contained in:
csoler 2015-08-09 18:09:17 -04:00
parent 2107a1c858
commit c0614e70ac
8 changed files with 195 additions and 63 deletions
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73
plugins/VOIP/gui/VideoProcessor.cpp
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@ -12,9 +12,15 @@ VideoDecoder::VideoDecoder()
_output_device = NULL ;
}
bool VideoEncoder::addImage(const QImage& img)
VideoEncoder::VideoEncoder()
:_frame_size(128,128)
{
encodeData(img) ;
}
bool VideoEncoder::addImage(const QImage& img,uint32_t size_hint,uint32_t& encoded_size)
{
std::cerr << "reducing to " << _frame_size.width() << " x " << _frame_size.height() << std::endl;
encodeData(img.scaled(_frame_size,Qt::IgnoreAspectRatio,Qt::SmoothTransformation),size_hint,encoded_size) ;
return true ;
}
@ -32,6 +38,7 @@ bool VideoEncoder::nextPacket(RsVOIPDataChunk& chunk)
void VideoDecoder::receiveEncodedData(const unsigned char *data,uint32_t size)
{
if(_output_device)
_output_device->showFrame(decodeData(data,size)) ;
}
@ -50,24 +57,54 @@ QImage JPEGVideoDecoder::decodeData(const unsigned char *encoded_image_data,uint
void VideoEncoder::setMaximumFrameRate(uint32_t bytes_per_sec)
{
std::cerr << "Video Encoder: maximum frame rate is set to " << bytes_per_sec << " Bps" << std::endl;
std::cerr << "Video Encoder: maximum frame rate is set to " << bytes_per_sec << " Bps" << std::endl;
}
void JPEGVideoEncoder::encodeData(const QImage& image)
void VideoEncoder::setInternalFrameSize(QSize s)
{
QByteArray qb ;
QBuffer buffer(&qb) ;
buffer.open(QIODevice::WriteOnly) ;
image.save(&buffer,"JPEG") ;
RsVOIPDataChunk voip_chunk ;
voip_chunk.data = malloc(qb.size());
memcpy(voip_chunk.data,qb.data(),qb.size()) ;
voip_chunk.size = qb.size() ;
voip_chunk.type = RsVOIPDataChunk::RS_VOIP_DATA_TYPE_VIDEO ;
_out_queue.push_back(voip_chunk) ;
_frame_size = s ;
}
JPEGVideoEncoder::JPEGVideoEncoder()
: _ref_frame_max_distance(10),_ref_frame_count(10)
{
}
void JPEGVideoEncoder::encodeData(const QImage& image,uint32_t /* size_hint */,uint32_t& encoded_size)
{
// check if we make a diff image, or if we use the full frame.
QImage encoded_frame ;
if(_ref_frame_count++ < _ref_frame_max_distance && image.size() == _reference_frame.size())
{
// compute difference with reference frame.
encoded_frame = image ;
for(uint32_t i=0;i<image.byteCount();++i)
encoded_frame.bits()[i] = image.bits()[i] - _reference_frame.bits()[i] + 128 ;
}
else
{
_ref_frame_count = 0 ;
_reference_frame = image ;
encoded_frame = image ;
}
QByteArray qb ;
QBuffer buffer(&qb) ;
buffer.open(QIODevice::WriteOnly) ;
encoded_frame.save(&buffer,"JPEG") ;
RsVOIPDataChunk voip_chunk ;
voip_chunk.data = malloc(qb.size());
memcpy(voip_chunk.data,qb.data(),qb.size()) ;
voip_chunk.size = qb.size() ;
voip_chunk.type = RsVOIPDataChunk::RS_VOIP_DATA_TYPE_VIDEO ;
_out_queue.push_back(voip_chunk) ;
encoded_size = voip_chunk.size ;
}