void VideoInput::cleanup()
{
deleteDecoder();
if (detach(&sink_))
sink_.stop();
}
void VideoInput::process()
{
bool newDecoderCreated = false;
if (switchPending_.exchange(false)) {
deleteDecoder();
createDecoder();
newDecoderCreated = true;
}
if (not decoder_) {
loop_.stop();
return;
}
captureFrame();
if (newDecoderCreated) {
/* Signal the client about the new sink */
Manager::instance().getVideoManager()->startedDecoding(sinkID_, sink_.openedName(),
decoder_->getWidth(), decoder_->getHeight(), false);
DEBUG("LOCAL: shm sink <%s> started: size = %dx%d",
sink_.openedName().c_str(), decoder_->getWidth(),
decoder_->getHeight());
}
}
bool VideoInput::captureFrame()
{
VideoPacket pkt;
const auto ret = decoder_->decode(getNewFrame(), pkt);
switch (ret) {
case VideoDecoder::Status::FrameFinished:
break;
case VideoDecoder::Status::ReadError:
case VideoDecoder::Status::DecodeError:
loop_.stop();
// fallthrough
case VideoDecoder::Status::Success:
return false;
// Play in loop
case VideoDecoder::Status::EOFError:
deleteDecoder();
createDecoder();
return false;
}
publishFrame();
return true;
}
void
VideoInput::cleanup()
{
deleteDecoder(); // do it first to let a chance to last frame to be displayed
detach(sink_.get());
sink_->stop();
RING_DBG("VideoInput closed");
}
void
VideoInput::createDecoder()
{
deleteDecoder();
switchPending_ = false;
if (decOpts_.input.empty()) {
foundDecOpts(decOpts_);
return;
}
auto decoder = std::unique_ptr<MediaDecoder>(new MediaDecoder());
if (emulateRate_)
decoder->emulateRate();
decoder->setInterruptCallback(
[](void* data) -> int { return not static_cast<VideoInput*>(data)->isCapturing(); },
this);
if (decoder->openInput(decOpts_) < 0) {
RING_ERR("Could not open input \"%s\"", decOpts_.input.c_str());
foundDecOpts(decOpts_);
return;
}
/* Data available, finish the decoding */
if (decoder->setupFromVideoData() < 0) {
RING_ERR("decoder IO startup failed");
foundDecOpts(decOpts_);
return;
}
decOpts_.width = decoder->getWidth();
decOpts_.height = decoder->getHeight();
decOpts_.framerate = decoder->getFps();
RING_DBG("created decoder with video params : size=%dX%d, fps=%lf",
decOpts_.width, decOpts_.height, decOpts_.framerate.real());
decoder_ = std::move(decoder);
foundDecOpts(decOpts_);
/* Signal the client about readable sink */
sink_->setFrameSize(decoder_->getWidth(), decoder_->getHeight());
}
// -----------------------------------------------------------------------------
// Implementation of CActive
// -----------------------------------------------------------------------------
//
void CMPXImageUtil::RunL()
{
TInt deleteDecoder( ETrue );
switch( iState )
{
case EDecoding:
{
if( iStatus == KErrNone )
{
if ( !iScaleRquired )
{
iState = EIdle;
iObserver.ExtractAlbumArtCompleted(iBitmap,KErrNone);
iBitmap = NULL;
}
else
{
deleteDecoder = EFalse;
ScaleL();
}
break;
}
else
{
// some error
if ( iBitmap )
{
delete iBitmap;
iBitmap = NULL;
}
iState = EIdle;
iObserver.ExtractAlbumArtCompleted(iBitmap, iStatus.Int());
break;
}
}
case EScaling:
{
iState = EIdle;
iObserver.ExtractAlbumArtCompleted(iBitmap,iStatus.Int());
iBitmap = NULL;
}
break;
default: // some error
{
iState = EIdle;
if ( iBitmap )
{
delete iBitmap;
iBitmap = NULL;
}
iObserver.ExtractAlbumArtCompleted(iBitmap,iStatus.Int());
break;
}
}
// It's safe to destroy iImageData here
delete iImageData;
iImageData = NULL;
if ( deleteDecoder )
{
delete iImageDecoder;
iImageDecoder = NULL;
}
}
