VideoFrame VideoFrame::clone() const
{
Q_D(const VideoFrame);
if (!d->format.isValid())
return VideoFrame();
int bytes = 0;
for (int i = 0; i < d->format.planeCount(); ++i) {
bytes += bytesPerLine(i)*planeHeight(i);
}
QByteArray buf(bytes, 0);
char *dst = buf.data(); //must before buf is shared, otherwise data will be detached.
VideoFrame f(buf, width(), height(), d->format);
for (int i = 0; i < d->format.planeCount(); ++i) {
f.setBits((quint8*)dst, i);
f.setBytesPerLine(bytesPerLine(i), i);
const int plane_size = bytesPerLine(i)*planeHeight(i);
memcpy(dst, bits(i), plane_size);
dst += plane_size;
}
f.d_ptr->metadata = d->metadata; // need metadata?
f.setTimestamp(d->timestamp);
f.setDisplayAspectRatio(d->displayAspectRatio);
//f.setImageConverter(d->conv);
return f;
}
void copyImage16To32(short *fromImageData, int *toImageData, int width, int height,
int affectedL, int affectedT, int affectedR, int affectedB)
{
long scanLine16, firstWord16, lastWord16;
long scanLine32, firstWord32;
int line;
register unsigned int col;
#if defined(DEBUG)
fprintf(stderr, "copyImg16to32 %p -> %p (%d %d) %d %d %d %d\n",
fromImageData, toImageData, width, height,
affectedT, affectedL, affectedB, affectedR);
#endif
#define map16To32(w) (col= (w), \
(((col >> 10) & 0x1f) << 3) | \
(((col >> 5) & 0x1f) << 11) | \
((col & 0x1f) << 19))
scanLine16= bytesPerLine(width, 16);
firstWord16= scanLine16*affectedT + bytesPerLineRD(affectedL, 16);
lastWord16= scanLine16*affectedT + bytesPerLine(affectedR, 16);
scanLine32= bytesPerLine(width, 32);
firstWord32= 0;
for (line= affectedT; line < affectedB; line++)
{
register unsigned short *from= (unsigned short *)((long)fromImageData+firstWord16);
register unsigned short *limit= (unsigned short *)((long)fromImageData+lastWord16);
register unsigned int *to= (unsigned int *)((long)toImageData+firstWord32);
while (from < limit)
{
# if defined(WORDS_BIGENDIAN)
to[0]= map16To32(from[0]);
to[1]= map16To32(from[1]);
# else
to[0]= map16To32(from[1]);
to[1]= map16To32(from[0]);
# endif
from+= 2;
to+= 2;
}
firstWord16+= scanLine16;
lastWord16+= scanLine16;
firstWord32+= scanLine32;
}
#undef map16To32
}
const QIcon& CIconProvider::iconFor(const CFileSystemObject& object)
{
const qulonglong objectHash = hash(object);
if (_iconForObject.count(objectHash) == 0)
{
const QIcon icon = _provider->iconFor(object);
assert_r(!icon.isNull());
const auto qimage = icon.pixmap(icon.availableSizes().front()).toImage();
const qulonglong iconHash = fasthash64((const char*)qimage.constBits(), qimage.bytesPerLine() * qimage.height(), 0);
if (_iconCache.size() > 300)
{
_iconCache.clear();
_iconForObject.clear();
}
const auto iconInContainer = _iconCache.insert(std::make_pair(iconHash, icon)).first;
_iconForObject[objectHash] = iconHash;
return iconInContainer->second;
}
return _iconCache[_iconForObject[objectHash]];
}
STDMETHODIMP UIFrameBuffer::COMGETTER(BytesPerLine) (ULONG *puBytesPerLine)
{
if (!puBytesPerLine)
return E_POINTER;
*puBytesPerLine = bytesPerLine();
return S_OK;
}
/*!
\internal
*/
unsigned char * QWidget::scanLine(int i) const
{
// Should add widget x() here, maybe
unsigned char * base=qwsDisplay()->frameBuffer();
if(base)
base+=i*bytesPerLine();
return base;
}
QByteArray Frame::data(int plane) const
{
if (plane < 0 || plane >= planeCount()) {
qWarning("Invalid plane! Valid range is [0, %d)", planeCount());
return QByteArray();
}
return QByteArray((char*)d_func()->planes[plane], bytesPerLine(plane));
}
AudioFrame AudioFrame::clone() const
{
Q_D(const AudioFrame);
if (d->format.sampleFormatFFmpeg() == AV_SAMPLE_FMT_NONE
|| d->format.channels() <= 0)
return AudioFrame();
if (d->samples_per_ch <= 0 || bytesPerLine(0) <= 0)
return AudioFrame(format());
QByteArray buf(bytesPerLine()*planeCount(), 0);
AudioFrame f(buf, d->format);
f.setSamplesPerChannel(samplesPerChannel());
char *dst = buf.data(); //must before buf is shared, otherwise data will be detached.
for (int i = 0; i < f.planeCount(); ++i) {
const int plane_size = f.bytesPerLine(i);
memcpy(dst, f.constBits(i), plane_size);
dst += plane_size;
}
f.setTimestamp(timestamp());
// meta data?
return f;
}
VideoFrame VideoFrame::clone() const
{
Q_D(const VideoFrame);
if (!d->format.isValid())
return VideoFrame();
// data may be not set (ff decoder)
if (d->planes.isEmpty() || !d->planes.at(0)) {//d->data.size() < width()*height()) { // at least width*height
// maybe in gpu memory, then bits() is not set
qDebug("frame data not valid. size: %d", d->data.size());
VideoFrame f(width(), height(), d->format);
f.d_ptr->metadata = d->metadata; // need metadata?
f.setTimestamp(d->timestamp);
f.setDisplayAspectRatio(d->displayAspectRatio);
return f;
}
int bytes = 0;
for (int i = 0; i < d->format.planeCount(); ++i) {
bytes += bytesPerLine(i)*planeHeight(i);
}
QByteArray buf(bytes, 0);
char *dst = buf.data(); //must before buf is shared, otherwise data will be detached.
VideoFrame f(width(), height(), d->format, buf);
const int nb_planes = d->format.planeCount();
for (int i = 0; i < nb_planes; ++i) {
f.setBits((quint8*)dst, i);
f.setBytesPerLine(bytesPerLine(i), i);
const int plane_size = bytesPerLine(i)*planeHeight(i);
memcpy(dst, constBits(i), plane_size);
dst += plane_size;
}
f.d_ptr->metadata = d->metadata; // need metadata?
f.setTimestamp(d->timestamp);
f.setDisplayAspectRatio(d->displayAspectRatio);
f.setColorSpace(d->color_space);
f.setColorRange(d->color_range);
return f;
}
void copyImage8To32(int *fromImageData, int *toImageData, int width, int height,
int affectedL, int affectedT, int affectedR, int affectedB, unsigned int * stColors)
{
long scanLine8, firstWord8, lastWord8;
long scanLine32, firstWord32;
int line;
scanLine8= bytesPerLine(width, 8);
firstWord8= scanLine8*affectedT + bytesPerLineRD(affectedL, 8);
lastWord8= scanLine8*affectedT + bytesPerLine(affectedR, 8);
scanLine32= bytesPerLine(width, 32);
firstWord32= 0;
for (line= affectedT; line < affectedB; line++)
{
register unsigned char *from= (unsigned char *)((long)fromImageData+firstWord8);
register unsigned char *limit= (unsigned char *)((long)fromImageData+lastWord8);
register unsigned int *to= (unsigned int *)((long)toImageData+firstWord32);
while (from < limit)
{
# if defined(WORDS_BIGENDIAN)
to[0]= stColors[from[0]];
to[1]= stColors[from[1]];
to[2]= stColors[from[2]];
to[3]= stColors[from[3]];
# else
to[0]= stColors[from[3]];
to[1]= stColors[from[2]];
to[2]= stColors[from[1]];
to[3]= stColors[from[0]];
# endif
from+= 4;
to+= 4;
}
firstWord8+= scanLine8;
lastWord8+= scanLine8;
firstWord32+= scanLine32;
}
}
void copyImage1To32(int *fromImageData, int *toImageData, int width, int height,
int affectedL, int affectedT, int affectedR, int affectedB, unsigned int * stColors)
{
long scanLine1, firstWord1, firstShift1;
long scanLine32, firstWord32, lastWord32;
int line;
scanLine1= bytesPerLine(width, 1);
firstWord1= scanLine1*affectedT + bytesPerLineRD(affectedL, 1);
firstShift1= 31 - (affectedL & 31);
scanLine32= bytesPerLine(width, 32);
firstWord32= 0;
lastWord32= bytesPerLine(affectedR, 32);
for (line= affectedT; line < affectedB; line++)
{
register unsigned int *from= (unsigned int *)((long)fromImageData+firstWord1);
register unsigned int *to= (unsigned int *)((long)toImageData+firstWord32);
register unsigned int *limit= (unsigned int *)((long)toImageData+lastWord32);
register int shift= firstShift1;
while (to < limit)
{
*to= stColors[(*from >> shift) & 1];
to++;
shift--;
if (shift < 0)
{
shift= 31;
from++;
}
}
firstWord1+= scanLine1;
firstWord32+= scanLine32;
lastWord32+= scanLine32;
}
}
void copyImage2To32(int *fromImageData, int *toImageData, int width, int height,
int affectedL, int affectedT, int affectedR, int affectedB, unsigned int * stColors)
{
long scanLine2, firstWord2, firstShift2;
long scanLine32, firstWord32, lastWord32;
int line;
scanLine2= bytesPerLine(width, 2);
firstWord2= scanLine2*affectedT + bytesPerLineRD(affectedL, 2);
firstShift2= 30 - ((affectedL & 15) * 2);
scanLine32= bytesPerLine(width, 32);
firstWord32= 0;
lastWord32= bytesPerLineRD(affectedR, 32);
for (line= affectedT; line < affectedB; line++)
{
register unsigned int *from= (unsigned int *)((long)fromImageData+firstWord2);
register unsigned int *to= (unsigned int *)((long)toImageData+firstWord32);
register unsigned int *limit= (unsigned int *)((long)toImageData+lastWord32);
register int shift= firstShift2;
while (to < limit)
{
*to= stColors[(*from >> shift) & 3];
to++;
shift-= 2;
if (shift < 0)
{
shift= 30;
from++;
}
}
firstWord2+= scanLine2;
firstWord32+= scanLine32;
lastWord32+= scanLine32;
}
}
void copyImage4To32(int *fromImageData, int *toImageData, int width, int height,
int affectedL, int affectedT, int affectedR, int affectedB, unsigned int * stColors)
{
int scanLine4, firstWord4, firstShift4;
long scanLine32, firstWord32, lastWord32;
long line;
scanLine4= bytesPerLine(width, 4);
firstWord4= scanLine4*affectedT + bytesPerLineRD(affectedL, 4);
firstShift4= 28 - ((affectedL & 7) * 4);
scanLine32= bytesPerLine(width, 32);
firstWord32= 0;
lastWord32= bytesPerLineRD(affectedR, 32);
for (line= affectedT; line < affectedB; line++)
{
register unsigned int *from= (unsigned int *)((long)fromImageData+firstWord4);
register unsigned int *to= (unsigned int *)((long)toImageData+firstWord32);
register unsigned int *limit= (unsigned int *)((long)toImageData+lastWord32);
register int shift= firstShift4;
while (to < limit)
{
*to= stColors[(*from >> shift) & 15];
to++;
shift-= 4;
if (shift < 0)
{
shift= 28;
from++;
}
}
firstWord4+= scanLine4;
firstWord32+= scanLine32;
lastWord32+= scanLine32;
}
}
// TODO: alignment. use av_samples_fill_arrays
void AudioFrame::init()
{
Q_D(AudioFrame);
const int nb_planes = d->format.planeCount();
d->line_sizes.resize(nb_planes);
d->planes.resize(nb_planes);
for (int i = 0; i < nb_planes; ++i) {
setBytesPerLine(d->data.size()/nb_planes, i);
}
if (d->data.isEmpty())
return;
for (int i = 0; i < nb_planes; ++i) {
setBits((uchar*)d->data.constData() + i*bytesPerLine(i), i);
}
}
/**
* videoConfigLine must be something like video=1024x768x32@0xf0000000,4096
* where 0xf0000000 is the base address and 4096 is the number of bytes per scanline
* if the number of byte per scanline is not present, it's going to be guessed (X/8)
**/
void parseVideoInfo(DisplayInfo *videoInfo, char *videoConfigLine)
{
/* videoConfigLine is {width}x{height}x{depth}@{address},{bytesPerScanLine}\0 */
char sep_tokens[] = { /*width*/ 'x', /*height*/'x', /*depth*/ '@', /*address*/ ',', /*bytesPerScanLine*/ '\0'};
videoConfigLine = strstr(videoConfigLine, "video=") + 6;
videoConfigLine = parseString(videoConfigLine, &videoInfo->width, sep_tokens[0]);
videoConfigLine = parseString(videoConfigLine, &videoInfo->height, sep_tokens[1]);
videoConfigLine = parseString(videoConfigLine, &videoInfo->depth, sep_tokens[2]);
videoConfigLine = parseString(videoConfigLine, &videoInfo->address, sep_tokens[3]);
if (videoConfigLine)
parseString(videoConfigLine, &videoInfo->bytesPerScanLine, sep_tokens[4]);
else
videoInfo->bytesPerScanLine = bytesPerLine(videoInfo->width, videoInfo->depth);
}
G12Image::G12Image(G12Buffer *buffer, int newH, int newW) : QImage(newW, newH, QImage::Format_RGB32)
{
int bpl = bytesPerLine();
uint8_t *data = bits(), *line = data;
for (int i = 0; i < newH; ++i, line += bpl)
{
for (int j = 0; j < newW; ++j)
{
uint32_t value;
if (i < buffer->h && j < buffer->w)
{
uint8_t c = buffer->element(i, j) >> 4;
value = c | (c << 8) | (c << 16) | (0xFF << 24);
}
else
{
value = 0xFF000000UL;
}
((uint32_t *)line)[j] = value;
}
const T* Matrix<T>::constRow( const int Row ) const
{
return reinterpret_cast<T*>(cv::Mat::data + Row*bytesPerLine());
}
int VideoFrame::planeWidth(int plane) const
{
Q_D(const VideoFrame);
return bytesPerLine(plane)/d->format.bytesPerPixel(plane);
}
/**
* Creates a new surface in the requested format.
* On success, returns @c true and assigns the created surface to mSurface
* and its definition to mSurfaceDesc. On failure, returns @c false.
*
* If @a aPixelFormat is other than FramebufferPixelFormat_Opaque,
* then the method will attempt to attach @a aVRAM directly to the created
* surface. If this fails, the caller may call this method again with
* @a aPixelFormat set to FramebufferPixelFormat_Opaque to try
* setting up an indirect fallback buffer for the surface. This opeartion may
* theoretically also fail.
*
* @note Deletes the existing surface before attempting to create a new one.
*/
bool VBoxDDRAWFrameBuffer::createSurface (ULONG aPixelFormat, uchar *aVRAM,
ULONG aBitsPerPixel, ULONG aBytesPerLine,
ULONG aWidth, ULONG aHeight)
{
deleteSurface();
DDSURFACEDESC2 sd;
/* Prepare the surface description structure. */
memset (&sd, 0, sizeof (sd));
sd.dwSize = sizeof (sd);
sd.dwFlags = DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH |
DDSD_LPSURFACE | DDSD_PITCH | DDSD_PIXELFORMAT;
sd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN | DDSCAPS_SYSTEMMEMORY;
sd.dwWidth = aWidth;
sd.dwHeight = aHeight;
/* Setup the desired pixel format on the surface. */
sd.ddpfPixelFormat.dwSize = sizeof (sd.ddpfPixelFormat);
sd.ddpfPixelFormat.dwFlags = DDPF_RGB;
if (aPixelFormat == FramebufferPixelFormat_FOURCC_RGB)
{
/* Try to use the guest VRAM directly */
switch (aBitsPerPixel)
{
case 32:
sd.ddpfPixelFormat.dwRGBBitCount = 32;
sd.ddpfPixelFormat.dwRBitMask = 0x00FF0000;
sd.ddpfPixelFormat.dwGBitMask = 0x0000FF00;
sd.ddpfPixelFormat.dwBBitMask = 0x000000FF;
break;
case 24:
sd.ddpfPixelFormat.dwRGBBitCount = 24;
sd.ddpfPixelFormat.dwRBitMask = 0x00FF0000;
sd.ddpfPixelFormat.dwGBitMask = 0x0000FF00;
sd.ddpfPixelFormat.dwBBitMask = 0x000000FF;
break;
case 16:
sd.ddpfPixelFormat.dwRGBBitCount = 16;
sd.ddpfPixelFormat.dwRBitMask = 0xF800;
sd.ddpfPixelFormat.dwGBitMask = 0x07E0;
sd.ddpfPixelFormat.dwBBitMask = 0x001F;
break;
default:
/* we don't directly support any other color depth */
return false;
}
sd.lPitch = (LONG) aBytesPerLine;
sd.lpSurface = aVRAM;
mUsesGuestVRAM = true;
mPixelFormat = FramebufferPixelFormat_FOURCC_RGB;
}
else
if (aPixelFormat != FramebufferPixelFormat_Opaque)
{
/* we don't directly support any other pixel format */
return false;
}
else
{
/* for the Opaque format, we use the indirect memory buffer as a
* 32 bpp surface. */
sd.ddpfPixelFormat.dwRGBBitCount = 32;
sd.ddpfPixelFormat.dwRBitMask = 0x00FF0000;
sd.ddpfPixelFormat.dwGBitMask = 0x0000FF00;
sd.ddpfPixelFormat.dwBBitMask = 0x000000FF;
sd.lPitch = sd.dwWidth * 4;
/* Allocate the memory buffer for the surface */
sd.lpSurface = RTMemAlloc (sd.lPitch * sd.dwHeight);
if (sd.lpSurface == NULL)
{
LOGDDRAW (("DDRAW: could not allocate memory for surface.\n"));
return false;
}
mUsesGuestVRAM = false;
mPixelFormat = FramebufferPixelFormat_FOURCC_RGB;
}
/* create the surface */
HRESULT rc = mDDRAW->CreateSurface (&sd, &mSurface, NULL);
if (rc != DD_OK)
{
LOGDDRAW (("DDRAW: Could not create DirectDraw surface, rc=0x%08X\n", rc));
deleteSurface();
return false;
}
/* Initialize the surface description member. It will be used to obtain
* address, bpp and bpl. */
mSurfaceDesc = sd;
LOGDDRAW(("DDRAW: Created %s surface: format = %d, address = %p\n",
mUsesGuestVRAM ? "GuestVRAM": "system memory",
aPixelFormat, address ()));
if (!mUsesGuestVRAM)
{
/* Clear just created surface. */
memset (address(), 0, bytesPerLine() * height());
}
return true;
}
