int AmlogicGrabber::grabFrame_amvideocap(Image<ColorRgb> & image)
{
// If the device is not open, attempt to open it
if (! openDev(_captureDev, CAPTURE_DEVICE))
{
ErrorIf( _lastError != 1, _log,"Failed to open the AMLOGIC device (%d - %s):", errno, strerror(errno));
_lastError = 1;
return -1;
}
long r1 = ioctl(_captureDev, AMVIDEOCAP_IOW_SET_WANTFRAME_WIDTH, _width);
long r2 = ioctl(_captureDev, AMVIDEOCAP_IOW_SET_WANTFRAME_HEIGHT, _height);
if (r1<0 || r2<0 || _height==0 || _width==0)
{
ErrorIf(_lastError != 2,_log,"Failed to configure capture size (%d - %s)", errno, strerror(errno));
closeDev(_captureDev);
_lastError = 2;
return -1;
}
// Read the snapshot into the memory
image.resize(_width, _height);
_image_bgr.resize(_width, _height);
const ssize_t bytesToRead = _image_bgr.size();
void * image_ptr = _image_bgr.memptr();
const ssize_t bytesRead = pread(_captureDev, image_ptr, bytesToRead, 0);
if (bytesRead < 0)
{
ErrorIf(_lastError != 3, _log,"Read of device failed: %d - %s", errno, strerror(errno));
closeDev(_captureDev);
_lastError = 3;
return -1;
}
else if (bytesToRead != bytesRead)
{
// Read of snapshot failed
ErrorIf(_lastError != 4, _log,"Capture failed to grab entire image [bytesToRead(%d) != bytesRead(%d)]", bytesToRead, bytesRead);
closeDev(_captureDev);
return -1;
}
closeDev(_captureDev);
_useImageResampler = true;
_imageResampler.processImage((const uint8_t*)image_ptr, _width, _height, _width*3, PIXELFORMAT_BGR24, image);
_lastError = 0;
return 0;
}
//_______________________________________________________________________
int main (int argc, char *argv[])
{
DrvMemPtr mem = GetData();
uid_t uid = getuid ();
if (argc != 2) usage (argv[0]);
CheckMidiShare();
setuid (name_to_uid ("root"));
mem->devId = openDev (argv[1]);
SetupMidi (argv[1], mem);
ThreadCreate (mem);
run (mem, argv[1]);
closeDriver (mem);
setuid (uid);
return 0;
}
bool AmlogicGrabber::isVideoPlaying()
{
if(!QFile::exists(VIDEO_DEVICE)) return false;
int videoDisabled = 1;
if (!openDev(_videoDev, VIDEO_DEVICE))
{
Error(_log, "Failed to open video device(%s): %d - %s", VIDEO_DEVICE, errno, strerror(errno));
return false;
}
else
{
// Check the video disabled flag
if(ioctl(_videoDev, AMSTREAM_IOC_GET_VIDEO_DISABLE, &videoDisabled) < 0)
{
Error(_log, "Failed to retrieve video state from device: %d - %s", errno, strerror(errno));
closeDev(_videoDev);
return false;
}
}
return videoDisabled == 0;
}
static Portal* openSwpb(Portal *p, Caps caps) {
return openDev(p, caps);
}
int SeialDevLin::setDeviceToWork(string strDevName){
m_strDev="/dev/"+strDevName;
openDev();
tcflush(m_iFD, TCIOFLUSH);
return m_iFD;
}
bool SeialDevLin::setDevParamsByName(string strDevName,int iBaud,int iDataBits,int iStopBits, int iFlow){
setDeviceToWork(strDevName);
if(openDev()==-1)return false;
return setDevParams(iBaud, iDataBits, iStopBits, iFlow);
}
static Portal* openUart(Portal* p, Caps caps) {
return openDev(p, caps);
}
static Portal* openTimer(Portal* p, Caps caps) {
return openDev(p, caps);
}
int AmlogicGrabber::grabFrame_ge2d(Image<ColorRgb> & image)
{
if ( ! openDev(_ge2dDev, GE2D_DEVICE) || ! openDev(_videoDev, VIDEO_DEVICE))
{
Error(_log, "cannot open devices");
return -1;
}
// Ion
if (_ge2dIonBuffer == nullptr)
{
_ge2dIonBuffer = new IonBuffer(_width * _height * 3); // BGR
_ge2dVideoBufferPtr = _ge2dIonBuffer->Map();
memset(_ge2dVideoBufferPtr, 0, _ge2dIonBuffer->BufferSize());
}
int canvas_index;
if (ioctl(_videoDev, AMVIDEO_EXT_GET_CURRENT_VIDEOFRAME, &canvas_index) < 0)
{
Error(_log, "AMSTREAM_EXT_GET_CURRENT_VIDEOFRAME failed.");
return -1;
}
uint32_t canvas0addr;
if (ioctl(_videoDev, AMVIDEO_EXT_CURRENT_VIDEOFRAME_GET_CANVAS0ADDR, &canvas0addr) < 0)
{
Error(_log, "AMSTREAM_EXT_CURRENT_VIDEOFRAME_GET_CANVAS0ADDR failed.");
return -1;
}
uint32_t ge2dformat;
if (ioctl(_videoDev, AMVIDEO_EXT_CURRENT_VIDEOFRAME_GET_GE2D_FORMAT, &ge2dformat) <0)
{
Error(_log, "AMSTREAM_EXT_CURRENT_VIDEOFRAME_GET_GE2D_FORMAT failed.");
return -1;
}
uint64_t size;
if (ioctl(_videoDev, AMVIDEO_EXT_CURRENT_VIDEOFRAME_GET_SIZE, &size) < 0)
{
Error(_log, "AMSTREAM_EXT_CURRENT_VIDEOFRAME_GET_SIZE failed.");
return -1;
}
unsigned cropLeft = _cropLeft;
unsigned cropRight = _cropRight;
unsigned cropTop = _cropTop;
unsigned cropBottom = _cropBottom;
int videoWidth = (size >> 32) - cropLeft - cropRight;
int videoHeight = (size & 0xffffff) - cropTop - cropBottom;
// calculate final image dimensions and adjust top/left cropping in 3D modes
switch (_videoMode)
{
case VIDEO_3DSBS:
videoWidth /= 2;
cropLeft /= 2;
break;
case VIDEO_3DTAB:
videoHeight /= 2;
cropTop /= 2;
break;
case VIDEO_2D:
default:
break;
}
struct config_para_ex_s configex = { 0 };
configex.src_para.mem_type = CANVAS_TYPE_INVALID;
configex.src_para.canvas_index = canvas0addr;
configex.src_para.left = cropLeft;
configex.src_para.top = cropTop;
configex.src_para.width = videoWidth;
configex.src_para.height = videoHeight / 2;
configex.src_para.format = ge2dformat;
configex.dst_para.mem_type = CANVAS_ALLOC;
configex.dst_para.format = GE2D_FORMAT_S24_RGB;
configex.dst_para.left = 0;
configex.dst_para.top = 0;
configex.dst_para.width = _width;
configex.dst_para.height = _height;
configex.dst_planes[0].addr = (long unsigned int)_ge2dIonBuffer->PhysicalAddress();
configex.dst_planes[0].w = configex.dst_para.width;
configex.dst_planes[0].h = configex.dst_para.height;
if (ioctl(_ge2dDev, GE2D_CONFIG_EX, &configex) < 0)
{
Error(_log, "video GE2D_CONFIG_EX failed.");
return -1;
}
ge2d_para_s blitRect = { 0 };
blitRect.src1_rect.x = 0;
blitRect.src1_rect.y = 0;
blitRect.src1_rect.w = configex.src_para.width;
blitRect.src1_rect.h = configex.src_para.height;
blitRect.dst_rect.x = 0;
blitRect.dst_rect.y = 0;
blitRect.dst_rect.w = configex.dst_para.width ;
blitRect.dst_rect.h = configex.dst_para.height;
// Blit to videoBuffer
if (ioctl(_ge2dDev, GE2D_STRETCHBLIT_NOALPHA, &blitRect) < 0)
{
Error(_log,"GE2D_STRETCHBLIT_NOALPHA failed.");
return -1;
}
// Return video frame
if (ioctl(_videoDev, AMVIDEO_EXT_PUT_CURRENT_VIDEOFRAME) < 0)
{
Error(_log, "AMSTREAM_EXT_PUT_CURRENT_VIDEOFRAME failed.");
return -1;
}
_ge2dIonBuffer->Sync();
// Read the snapshot into the memory
_useImageResampler = false;
_imageResampler.processImage((const uint8_t*)_ge2dVideoBufferPtr, _width, _height, _width*3, PIXELFORMAT_BGR24, image);
closeDev(_videoDev);
closeDev(_ge2dDev);
return 0;
}
