static gboolean
parse_sprite_trajectory (GstBitReader * br,
GstMpeg4SpriteTrajectory * sprite_traj, guint no_of_sprite_warping_points)
{
guint i, length;
for (i = 0; i < no_of_sprite_warping_points; i++) {
if (!decode_vlc (br, &length, mpeg4_dmv_size_vlc_table,
G_N_ELEMENTS (mpeg4_dmv_size_vlc_table)))
goto failed;
if (length)
READ_UINT16 (br, sprite_traj->vop_ref_points[i], length);
CHECK_MARKER (br);
if (!decode_vlc (br, &length, mpeg4_dmv_size_vlc_table,
G_N_ELEMENTS (mpeg4_dmv_size_vlc_table)))
goto failed;
if (length)
READ_UINT16 (br, sprite_traj->sprite_ref_points[i], length);
CHECK_MARKER (br);
}
return TRUE;
failed:
GST_WARNING ("Could not parse the sprite trajectory");
return FALSE;
}
void OSystem_Android::disableCursorPalette(bool disable) {
ENTER("%d", disable);
// when disabling the cursor palette, and we're running a clut8 game,
// it expects the game palette to be used for the cursor
if (disable && _game_texture->hasPalette()) {
const byte *src = _game_texture->palette_const();
byte *dst = _mouse_texture_palette->palette();
const Graphics::PixelFormat &pf_src =
_game_texture->getPalettePixelFormat();
const Graphics::PixelFormat &pf_dst =
_mouse_texture_palette->getPalettePixelFormat();
uint8 r, g, b;
for (uint i = 0; i < 256; ++i, src += 2, dst += 2) {
pf_src.colorToRGB(READ_UINT16(src), r, g, b);
WRITE_UINT16(dst, pf_dst.RGBToColor(r, g, b));
}
byte *p = _mouse_texture_palette->palette() + _mouse_keycolor * 2;
WRITE_UINT16(p, READ_UINT16(p) & ~1);
}
_use_mouse_palette = !disable;
}
gboolean
mpeg_util_parse_sequence_hdr (MPEGSeqHdr * hdr, GstBuffer * buffer)
{
GstBitReader reader = GST_BIT_READER_INIT_FROM_BUFFER (buffer);
guint8 dar_idx, par_idx;
guint8 load_intra_flag, load_non_intra_flag;
/* skip sync word */
if (!gst_bit_reader_skip (&reader, 8 * 4))
return FALSE;
/* resolution */
READ_UINT16 (&reader, hdr->width, 12);
READ_UINT16 (&reader, hdr->height, 12);
/* aspect ratio */
READ_UINT8 (&reader, dar_idx, 4);
set_par_from_dar (hdr, dar_idx);
/* framerate */
READ_UINT8 (&reader, par_idx, 4);
set_fps_from_code (hdr, par_idx);
/* bitrate */
READ_UINT32 (&reader, hdr->bitrate, 18);
if (!gst_bit_reader_skip (&reader, 1))
return FALSE;
/* VBV buffer size */
READ_UINT16 (&reader, hdr->vbv_buffer, 10);
/* constrained parameters flag */
READ_UINT8 (&reader, hdr->constrained_parameters_flag, 1);
/* intra quantizer matrix */
READ_UINT8 (&reader, load_intra_flag, 1);
if (load_intra_flag) {
gint i;
for (i = 0; i < 64; i++)
READ_UINT8 (&reader, hdr->intra_quantizer_matrix[mpeg_zigzag_8x8[i]], 8);
} else
memcpy (hdr->intra_quantizer_matrix, default_intra_quantizer_matrix, 64);
/* non intra quantizer matrix */
READ_UINT8 (&reader, load_non_intra_flag, 1);
if (load_non_intra_flag) {
gint i;
for (i = 0; i < 64; i++)
READ_UINT8 (&reader, hdr->non_intra_quantizer_matrix[mpeg_zigzag_8x8[i]],
8);
} else
memset (hdr->non_intra_quantizer_matrix, 16, 64);
return TRUE;
error:
GST_WARNING ("error parsing \"Sequence Header\"");
return FALSE;
}
void Transport::nfcGetRecordInfo(size_t recordNumber, uint16_t* pType, uint16_t* info, size_t infoCount)
{
uint8_t out[2];
uint8_t in[2+2*infoCount];
WRITE_UINT16(&out[0], recordNumber);
command(Transport::NFC_GET_RECORD_INFO, out, sizeof(out), in, sizeof(in));
READ_UINT16(&in[0], *pType);
for(int i = 0; i < infoCount; i++)
{
READ_UINT16(&in[2+2*i], info[i]);
}
}
void Surface::scaleTransparentCopy(const Common::Rect &srcRect, const Common::Rect &dstRect) const {
// I'm doing simple linear scaling here
// dstRect(x, y) = srcRect(x * srcW / dstW, y * srcH / dstH);
Graphics::Surface *screen = ((PegasusEngine *)g_engine)->_gfx->getCurSurface();
int srcW = srcRect.width();
int srcH = srcRect.height();
int dstW = dstRect.width();
int dstH = dstRect.height();
for (int y = 0; y < dstH; y++) {
for (int x = 0; x < dstW; x++) {
if (g_system->getScreenFormat().bytesPerPixel == 2) {
uint16 color = READ_UINT16((byte *)_surface->getBasePtr(
x * srcW / dstW + srcRect.left,
y * srcH / dstH + srcRect.top));
if (!isTransparent(color))
WRITE_UINT16((byte *)screen->getBasePtr(x + dstRect.left, y + dstRect.top), color);
} else if (g_system->getScreenFormat().bytesPerPixel == 4) {
uint32 color = READ_UINT32((byte *)_surface->getBasePtr(
x * srcW / dstW + srcRect.left,
y * srcH / dstH + srcRect.top));
if (!isTransparent(color))
WRITE_UINT32((byte *)screen->getBasePtr(x + dstRect.left, y + dstRect.top), color);
}
}
}
}
void Surface::copyToCurrentPortTransparentGlow(const Common::Rect &srcRect, const Common::Rect &dstRect) const {
// This is the same as copyToCurrentPortTransparent(), but turns the red value of each
// pixel all the way up.
Graphics::Surface *screen = ((PegasusEngine *)g_engine)->_gfx->getCurSurface();
byte *src = (byte *)_surface->getBasePtr(srcRect.left, srcRect.top);
byte *dst = (byte *)screen->getBasePtr(dstRect.left, dstRect.top);
int lineSize = srcRect.width() * _surface->format.bytesPerPixel;
for (int y = 0; y < srcRect.height(); y++) {
for (int x = 0; x < srcRect.width(); x++) {
if (g_system->getScreenFormat().bytesPerPixel == 2) {
uint16 color = READ_UINT16(src);
if (!isTransparent(color))
WRITE_UINT16(dst, getGlowColor(color));
} else if (g_system->getScreenFormat().bytesPerPixel == 4) {
uint32 color = READ_UINT32(src);
if (!isTransparent(color))
WRITE_UINT32(dst, getGlowColor(color));
}
src += g_system->getScreenFormat().bytesPerPixel;
dst += g_system->getScreenFormat().bytesPerPixel;
}
src += _surface->pitch - lineSize;
dst += screen->pitch - lineSize;
}
}
void Surface::copyToCurrentPortMasked(const Common::Rect &srcRect, const Common::Rect &dstRect, const Surface *mask) const {
Graphics::Surface *screen = ((PegasusEngine *)g_engine)->_gfx->getCurSurface();
byte *src = (byte *)_surface->getBasePtr(srcRect.left, srcRect.top);
byte *dst = (byte *)screen->getBasePtr(dstRect.left, dstRect.top);
int lineSize = srcRect.width() * _surface->format.bytesPerPixel;
for (int y = 0; y < srcRect.height(); y++) {
byte *maskSrc = (byte *)mask->getSurface()->getBasePtr(0, y);
for (int x = 0; x < srcRect.width(); x++) {
if (g_system->getScreenFormat().bytesPerPixel == 2) {
uint16 color = READ_UINT16(maskSrc);
if (!isTransparent(color))
memcpy(dst, src, 2);
} else if (g_system->getScreenFormat().bytesPerPixel == 4) {
uint32 color = READ_UINT32(maskSrc);
if (!isTransparent(color))
memcpy(dst, src, 4);
}
src += g_system->getScreenFormat().bytesPerPixel;
maskSrc += g_system->getScreenFormat().bytesPerPixel;
dst += g_system->getScreenFormat().bytesPerPixel;
}
src += _surface->pitch - lineSize;
dst += screen->pitch - lineSize;
}
}
void hwTimer32ClearEvent(soc_timer32_num_t timer_num)
{
unsigned int module = timer32_module(timer_num);
unsigned int timer = timer32_in_module(timer_num);
#ifdef B4860_FAMILY
uint16_t reg;
#endif
#ifdef HW_TIMER_ERROR_CHECKING
if (timer_num >= NUM_OF_HW_TIMERS_32b)
{
#ifdef HW_TIMER_ERROR_ASSERT
OS_ASSERT;
#endif /* HW_TIMER_ERROR_ASSERT */
return;
}
#endif /* HW_TIMER_ERROR_CHECKING */
#ifdef B4860_FAMILY
CLEAR_UINT16(soc_timer32_module[module].tmr[timer].tmr_sctl, TMR32_SCTL_TCF);
DBAR_SCFG();
READ_UINT16(reg, soc_timer32_module[module].tmr[timer].tmr_sctl);
#else
CLEAR_UINT32(soc_timer32_module[module].tmr[timer].tmr_sctl, TMR32_SCTL_TCF);
#endif //B4860_FAMILY
}
void Surface::scaleTransparentCopyGlow(const Common::Rect &srcRect, const Common::Rect &dstRect) const {
// This is the same as scaleTransparentCopy(), but turns the red value of each
// pixel all the way up.
Graphics::Surface *screen = ((PegasusEngine *)g_engine)->_gfx->getCurSurface();
int srcW = srcRect.width();
int srcH = srcRect.height();
int dstW = dstRect.width();
int dstH = dstRect.height();
for (int y = 0; y < dstH; y++) {
for (int x = 0; x < dstW; x++) {
if (g_system->getScreenFormat().bytesPerPixel == 2) {
uint16 color = READ_UINT16((byte *)_surface->getBasePtr(
x * srcW / dstW + srcRect.left,
y * srcH / dstH + srcRect.top));
if (!isTransparent(color))
WRITE_UINT16((byte *)screen->getBasePtr(x + dstRect.left, y + dstRect.top), getGlowColor(color));
} else if (g_system->getScreenFormat().bytesPerPixel == 4) {
uint32 color = READ_UINT32((byte *)_surface->getBasePtr(
x * srcW / dstW + srcRect.left,
y * srcH / dstH + srcRect.top));
if (!isTransparent(color))
WRITE_UINT32((byte *)screen->getBasePtr(x + dstRect.left, y + dstRect.top), getGlowColor(color));
}
}
}
}
void CloudIcon::makeAlphaIcon(const Graphics::Surface &icon, float alpha) {
_alphaIcon.copyFrom(icon);
byte *pixels = (byte *)_alphaIcon.getPixels();
for (int y = 0; y < _alphaIcon.h; y++) {
byte *row = pixels + y * _alphaIcon.pitch;
for (int x = 0; x < _alphaIcon.w; x++) {
uint32 srcColor;
if (_alphaIcon.format.bytesPerPixel == 2)
srcColor = READ_UINT16(row);
else if (_alphaIcon.format.bytesPerPixel == 3)
srcColor = READ_UINT24(row);
else
srcColor = READ_UINT32(row);
// Update color's alpha
byte r, g, b, a;
_alphaIcon.format.colorToARGB(srcColor, a, r, g, b);
a = (byte)(a * alpha);
uint32 color = _alphaIcon.format.ARGBToColor(a, r, g, b);
if (_alphaIcon.format.bytesPerPixel == 2)
*((uint16 *)row) = color;
else
*((uint32 *)row) = color;
row += _alphaIcon.format.bytesPerPixel;
}
}
}
/* Used by client_x11.c, for parsing xauth */
int
parse_uint16(struct simple_buffer *buffer, uint32_t *result)
{
if (LEFT < 2)
return 0;
*result = READ_UINT16(HERE);
ADVANCE(2);
return 1;
}
void FlicDecoder::FlicVideoTrack::decodeDeltaFLC(uint8 *data) {
uint16 linesInChunk = READ_LE_UINT16(data); data += 2;
uint16 currentLine = 0;
uint16 packetCount = 0;
while (linesInChunk--) {
uint16 opcode;
// First process all the opcodes.
do {
opcode = READ_LE_UINT16(data); data += 2;
switch ((opcode >> 14) & 3) {
case OP_PACKETCOUNT:
packetCount = opcode;
break;
case OP_UNDEFINED:
break;
case OP_LASTPIXEL:
*((byte *)_surface->getBasePtr(getWidth() - 1, currentLine)) = (opcode & 0xFF);
_dirtyRects.push_back(Common::Rect(getWidth() - 1, currentLine, getWidth(), currentLine + 1));
break;
case OP_LINESKIPCOUNT:
currentLine += -(int16)opcode;
break;
}
} while (((opcode >> 14) & 3) != OP_PACKETCOUNT);
uint16 column = 0;
// Now interpret the RLE data
while (packetCount--) {
column += *data++;
int rleCount = (int8)*data++;
if (rleCount > 0) {
memcpy((byte *)_surface->getBasePtr(column, currentLine), data, rleCount * 2);
data += rleCount * 2;
_dirtyRects.push_back(Common::Rect(column, currentLine, column + rleCount * 2, currentLine + 1));
} else if (rleCount < 0) {
rleCount = -rleCount;
uint16 dataWord = READ_UINT16(data); data += 2;
for (int i = 0; i < rleCount; ++i) {
WRITE_UINT16((byte *)_surface->getBasePtr(column + i * 2, currentLine), dataWord);
}
_dirtyRects.push_back(Common::Rect(column, currentLine, column + rleCount * 2, currentLine + 1));
} else { // End of cutscene ?
return;
}
column += rleCount * 2;
}
currentLine++;
}
}
void OSystem_Android::setCursorPaletteInternal(const byte *colors,
uint start, uint num) {
const Graphics::PixelFormat &pf =
_mouse_texture_palette->getPalettePixelFormat();
byte *p = _mouse_texture_palette->palette() + start * 2;
for (uint i = 0; i < num; ++i, colors += 3, p += 2)
WRITE_UINT16(p, pf.RGBToColor(colors[0], colors[1], colors[2]));
p = _mouse_texture_palette->palette() + _mouse_keycolor * 2;
WRITE_UINT16(p, READ_UINT16(p) & ~1);
}
void Transport::nfcDecodePrefix(uint8_t prefix, char* data, size_t* pDataLength)
{
uint8_t out[] = { prefix };
uint8_t in[2 + 36]; //max prefix length is 36
command(Transport::NFC_DECODE_PREFIX, out, sizeof(out), in, sizeof(in));
size_t length;
READ_UINT16(&in[0], length);
if(length < *pDataLength)
{
*pDataLength = length;
}
memcpy(data, &in[2], *pDataLength);
}
void TinyGLBlit(byte *dst, byte *src, int x, int y, int width, int height, bool trans) {
int srcPitch = width * 2;
int dstPitch = 640 * 2;
int srcX, srcY;
int l, r;
if (x > 639 || y > 479)
return;
if (x < 0) {
srcX = -x;
x = 0;
} else {
srcX = 0;
}
if (y < 0) {
srcY = -y;
y = 0;
} else {
srcY = 0;
}
if (x + width > 640)
width -= (x + width) - 640;
if (y + height > 480)
height -= (y + height) - 480;
dst += (x + (y * 640)) * 2;
src += (srcX + (srcY * width)) * 2;
int copyWidth = width * 2;
if (!trans) {
for (l = 0; l < height; l++) {
memcpy(dst, src, copyWidth);
dst += dstPitch;
src += srcPitch;
}
} else {
for (l = 0; l < height; l++) {
for (r = 0; r < copyWidth; r += 2) {
uint16 pixel = READ_UINT16(src + r);
if (pixel != 0xf81f)
WRITE_UINT16(dst + r, pixel);
}
dst += dstPitch;
src += srcPitch;
}
}
}
void SaveLoadManager::convertThumb16To8(Graphics::Surface *thumb16, Graphics::Surface *thumb8) {
thumb8->create(thumb16->w, thumb16->h, Graphics::PixelFormat::createFormatCLUT8());
Graphics::PixelFormat pixelFormat16(2, 5, 6, 5, 0, 11, 5, 0, 0);
byte paletteR[PALETTE_SIZE];
byte paletteG[PALETTE_SIZE];
byte paletteB[PALETTE_SIZE];
for (int palIndex = 0; palIndex < PALETTE_SIZE; ++palIndex) {
uint16 p = READ_UINT16(&_vm->_graphicsMan->_palettePixels[palIndex * 2]);
pixelFormat16.colorToRGB(p, paletteR[palIndex], paletteG[palIndex], paletteB[palIndex]);
}
const uint16 *srcP = (const uint16 *)thumb16->getPixels();
byte *destP = (byte *)thumb8->getPixels();
for (int yp = 0; yp < thumb16->h; ++yp) {
const uint16 *lineSrcP = srcP;
byte *lineDestP = destP;
for (int xp = 0; xp < thumb16->w; ++xp) {
byte r, g, b;
pixelFormat16.colorToRGB(*lineSrcP++, r, g, b);
// Do like in the original and show thumbnail as a grayscale picture
int lum = (r * 21 + g * 72 + b * 7) / 100;
r = g = b = lum;
// Scan the palette for the closest match
int difference = 99999, foundIndex = 0;
for (int palIndex = 0; palIndex < PALETTE_SIZE; ++palIndex) {
byte rCurrent = paletteR[palIndex];
byte gCurrent = paletteG[palIndex];
byte bCurrent = paletteB[palIndex];
int diff = ABS((int)r - (int)rCurrent) + ABS((int)g - (int)gCurrent) + ABS((int)b - (int)bCurrent);
if (diff < difference) {
difference = diff;
foundIndex = palIndex;
}
}
*lineDestP++ = foundIndex;
}
// Move to the start of the next line
srcP += thumb16->w;
destP += thumb16->w;
}
}
void OSystem_Android::grabPalette(byte *colors, uint start, uint num) {
ENTER("%p, %u, %u", colors, start, num);
#ifdef USE_RGB_COLOR
assert(_game_texture->hasPalette());
#endif
GLTHREADCHECK;
const Graphics::PixelFormat &pf = _game_texture->getPalettePixelFormat();
const byte *p = _game_texture->palette_const() + start * 2;
for (uint i = 0; i < num; ++i, colors += 3, p += 2)
pf.colorToRGB(READ_UINT16(p), colors[0], colors[1], colors[2]);
}
gboolean
mpeg_util_parse_sequence_extension (MPEGSeqExtHdr * hdr, GstBuffer * buffer)
{
GstBitReader reader = GST_BIT_READER_INIT_FROM_BUFFER (buffer);;
/* skip sync word */
if (!gst_bit_reader_skip (&reader, 8 * 4))
return FALSE;
/* skip extension code */
if (!gst_bit_reader_skip (&reader, 4))
return FALSE;
/* skip profile and level escape bit */
if (!gst_bit_reader_skip (&reader, 1))
return FALSE;
READ_UINT8 (&reader, hdr->profile, 3);
READ_UINT8 (&reader, hdr->level, 4);
/* progressive */
READ_UINT8 (&reader, hdr->progressive, 1);
/* chroma format */
READ_UINT8 (&reader, hdr->chroma_format, 2);
/* resolution extension */
READ_UINT8 (&reader, hdr->horiz_size_ext, 2);
READ_UINT8 (&reader, hdr->vert_size_ext, 2);
READ_UINT16 (&reader, hdr->bitrate_ext, 12);
/* skip to framerate extension */
if (!gst_bit_reader_skip (&reader, 9))
return FALSE;
/* framerate extension */
READ_UINT8 (&reader, hdr->fps_n_ext, 2);
READ_UINT8 (&reader, hdr->fps_d_ext, 2);
return TRUE;
error:
GST_WARNING ("error parsing \"Sequence Extension\"");
return FALSE;
}
int
sexp_iterator_get_uint32(struct sexp_iterator *iterator,
uint32_t *x)
{
if (iterator->type == SEXP_ATOM
&& !iterator->display
&& iterator->atom_length
&& iterator->atom[0] < 0x80)
{
size_t length = iterator->atom_length;
const uint8_t *p = iterator->atom;
/* Skip leading zeros. */
while(length && !*p)
{
length--;
p++;
}
switch(length)
{
case 0:
*x = 0;
break;
case 1:
*x = p[0];
break;
case 2:
*x = READ_UINT16(p);
break;
case 3:
*x = READ_UINT24(p);
break;
case 4:
*x = READ_UINT32(p);
break;
default:
return 0;
}
return sexp_iterator_next(iterator);
}
return 0;
}
void drawCharIntern(byte *ptr, uint pitch, const bitmap_t *src, int h, int minX, int maxX, const PixelType color) {
const bitmap_t maxXMask = ~((1 << (16-maxX)) - 1);
while (h-- > 0) {
bitmap_t buffer = READ_UINT16(src);
src++;
buffer &= maxXMask;
buffer <<= minX;
PixelType *tmp = (PixelType *)ptr;
while (buffer != 0) {
if ((buffer & 0x8000) != 0)
*tmp = color;
tmp++;
buffer <<= 1;
}
ptr += pitch;
}
}
bool SaveConverter::swapDataEndian(byte *data, const byte *sizes, uint32 count) {
if (!data || !sizes || (count == 0))
return false;
while (count-- > 0) {
if (*sizes == 3) // 32bit value (3 additional bytes)
WRITE_UINT32(data, SWAP_BYTES_32(READ_UINT32(data)));
else if (*sizes == 1) // 16bit value (1 additional byte)
WRITE_UINT16(data, SWAP_BYTES_16(READ_UINT16(data)));
else if (*sizes != 0) // else, it has to be an 8bit value
return false;
count -= *sizes;
data += *sizes + 1;
sizes += *sizes + 1;
}
return true;
}
static void uncompressPlane(const byte *plane, byte *outptr, int length) {
while (length != 0) {
int wordlen;
signed char x = *plane++;
if (x >= 0) {
wordlen = MIN<int>(x + 1, length);
uint16 w = READ_UINT16(plane); plane += 2;
for (int i = 0; i < wordlen; ++i) {
WRITE_UINT16(outptr, w); outptr += 2;
}
} else {
wordlen = MIN<int>(-x, length);
memcpy(outptr, plane, wordlen * 2);
outptr += wordlen * 2;
plane += wordlen * 2;
}
length -= wordlen;
}
}
/**
* Copies the current screen contents to a new surface, using RGB565 format.
* WARNING: surf->free() must be called by the user to avoid leaking.
*
* @param surf the surface to store the data in it
*/
static bool grabScreen565(Graphics::Surface *surf) {
Graphics::Surface *screen = g_system->lockScreen();
if (!screen)
return false;
assert(screen->format.bytesPerPixel == 1 || screen->format.bytesPerPixel == 2);
assert(screen->getPixels() != 0);
Graphics::PixelFormat screenFormat = g_system->getScreenFormat();
surf->create(screen->w, screen->h, Graphics::PixelFormat(2, 5, 6, 5, 0, 11, 5, 0, 0));
byte *palette = 0;
if (screenFormat.bytesPerPixel == 1) {
palette = new byte[256 * 3];
assert(palette);
g_system->getPaletteManager()->grabPalette(palette, 0, 256);
}
for (uint y = 0; y < screen->h; ++y) {
for (uint x = 0; x < screen->w; ++x) {
byte r = 0, g = 0, b = 0;
if (screenFormat.bytesPerPixel == 1) {
uint8 pixel = *(uint8 *)screen->getBasePtr(x, y);
r = palette[pixel * 3 + 0];
g = palette[pixel * 3 + 1];
b = palette[pixel * 3 + 2];
} else if (screenFormat.bytesPerPixel == 2) {
uint16 col = READ_UINT16(screen->getBasePtr(x, y));
screenFormat.colorToRGB(col, r, g, b);
}
*((uint16 *)surf->getBasePtr(x, y)) = Graphics::RGBToColor<Graphics::ColorMasks<565> >(r, g, b);
}
}
delete[] palette;
g_system->unlockScreen();
return true;
}
Uint32 dw_getPixel(SDL_Surface *s, Uint16 x, Uint16 y) {
assert(s);
assert(x < s->w && y < s->h);
Uint32 bpp = s->format->BytesPerPixel;
Uint8 *p = (Uint8 *)s->pixels + (y * s->pitch) + (x * bpp);
Uint32 pix;
switch (bpp) {
case 1: // b/w
return *p;
case 2: // 16 bit per pixel
return READ_UINT16(p);
case 3:
pix = p[0] << 24 | p[1] << 16 | p[0] << 0;
return READ_UINT32(&pix);
case 4:
return READ_UINT32(p);
default: // !?!?
return 0;
}
}
void
vs_fill_borders_RGB555 (const VSImage * dest, const uint8_t * val)
{
int i;
int top = dest->border_top, bottom = dest->border_bottom;
int left = dest->border_left, right = dest->border_right;
int width = dest->width;
int height = dest->height;
int real_width = dest->real_width;
gsize stride = dest->stride;
int tmp, tmp2;
uint8_t *data;
uint16_t v = READ_UINT16 (val);
data = dest->real_pixels;
for (i = 0; i < top; i++) {
video_scale_orc_splat_u16 ((uint16_t *) data, v, real_width);
data += stride;
}
if (left || right) {
tmp = height;
tmp2 = (left + width) * 2;
for (i = 0; i < tmp; i++) {
video_scale_orc_splat_u16 ((uint16_t *) data, v, left);
video_scale_orc_splat_u16 ((uint16_t *) (data + tmp2), v, right);
data += stride;
}
} else {
data += stride * height;
}
for (i = 0; i < bottom; i++) {
video_scale_orc_splat_u16 ((uint16_t *) data, v, real_width);
data += stride;
}
}
void ScreenFader::setFaderValue(const int32 value) {
if (value != getFaderValue()) {
Fader::setFaderValue(value);
if (_screen->getPixels()) {
// The original game does a gamma fade here using the Mac API. In order to do
// that, it would require an immense amount of CPU processing. This does a
// linear fade instead, which looks fairly well, IMO.
Graphics::Surface *screen = g_system->lockScreen();
for (uint y = 0; y < _screen->h; y++) {
for (uint x = 0; x < _screen->w; x++) {
if (_screen->format.bytesPerPixel == 2)
WRITE_UINT16(screen->getBasePtr(x, y), fadePixel(READ_UINT16(_screen->getBasePtr(x, y)), value));
else
WRITE_UINT32(screen->getBasePtr(x, y), fadePixel(READ_UINT32(_screen->getBasePtr(x, y)), value));
}
}
g_system->unlockScreen();
g_system->updateScreen();
}
}
}
void *OSystem_Android::audioThreadFunc(void *arg) {
JNI::attachThread();
OSystem_Android *system = (OSystem_Android *)arg;
Audio::MixerImpl *mixer = system->_mixer;
uint buf_size = system->_audio_buffer_size;
JNIEnv *env = JNI::getEnv();
jbyteArray bufa = env->NewByteArray(buf_size);
bool paused = true;
byte *buf;
int offset, left, written;
int samples, i;
struct timespec tv_delay;
tv_delay.tv_sec = 0;
tv_delay.tv_nsec = 20 * 1000 * 1000;
uint msecs_full = buf_size * 1000 / (mixer->getOutputRate() * 2 * 2);
struct timespec tv_full;
tv_full.tv_sec = 0;
tv_full.tv_nsec = msecs_full * 1000 * 1000;
bool silence;
uint silence_count = 33;
while (!system->_audio_thread_exit) {
if (JNI::pause) {
JNI::setAudioStop();
paused = true;
silence_count = 33;
LOGD("audio thread going to sleep");
sem_wait(&JNI::pause_sem);
LOGD("audio thread woke up");
}
buf = (byte *)env->GetPrimitiveArrayCritical(bufa, 0);
assert(buf);
samples = mixer->mixCallback(buf, buf_size);
silence = samples < 1;
// looks stupid, and it is, but currently there's no way to detect
// silence-only buffers from the mixer
if (!silence) {
silence = true;
for (i = 0; i < samples; i += 2)
// SID streams constant crap
if (READ_UINT16(buf + i) > 32) {
silence = false;
break;
}
}
env->ReleasePrimitiveArrayCritical(bufa, buf, 0);
if (silence) {
if (!paused)
silence_count++;
// only pause after a while to prevent toggle mania
if (silence_count > 32) {
if (!paused) {
LOGD("AudioTrack pause");
JNI::setAudioPause();
paused = true;
}
nanosleep(&tv_full, 0);
continue;
}
}
if (paused) {
LOGD("AudioTrack play");
JNI::setAudioPlay();
paused = false;
silence_count = 0;
}
offset = 0;
left = buf_size;
written = 0;
while (left > 0) {
written = JNI::writeAudio(env, bufa, offset, left);
if (written < 0) {
LOGE("AudioTrack error: %d", written);
break;
}
// buffer full
if (written < left)
nanosleep(&tv_delay, 0);
offset += written;
left -= written;
}
if (written < 0)
break;
// prepare the next buffer, and run into the blocking AudioTrack.write
}
JNI::setAudioStop();
env->DeleteLocalRef(bufa);
JNI::detachThread();
return 0;
}
static char *
_verify_nettle_rsa(sldns_buffer* buf, unsigned int digest_size, char* sigblock,
unsigned int sigblock_len, uint8_t* key, unsigned int keylen)
{
uint16_t exp_len = 0;
size_t exp_offset = 0, mod_offset = 0;
struct rsa_public_key pubkey;
mpz_t signature;
int res = 0;
/* RSA pubkey parsing as per RFC 3110 sec. 2 */
if( keylen <= 1) {
return "null RSA key";
}
if (key[0] != 0) {
/* 1-byte length */
exp_len = key[0];
exp_offset = 1;
} else {
/* 1-byte NUL + 2-bytes exponent length */
if (keylen < 3) {
return "incorrect RSA key length";
}
exp_len = READ_UINT16(key+1);
if (exp_len == 0)
return "null RSA exponent length";
exp_offset = 3;
}
/* Check that we are not over-running input length */
if (keylen < exp_offset + exp_len + 1) {
return "RSA key content shorter than expected";
}
mod_offset = exp_offset + exp_len;
nettle_rsa_public_key_init(&pubkey);
pubkey.size = keylen - mod_offset;
nettle_mpz_set_str_256_u(pubkey.e, exp_len, &key[exp_offset]);
nettle_mpz_set_str_256_u(pubkey.n, pubkey.size, &key[mod_offset]);
/* Digest content of "buf" and verify its RSA signature in "sigblock"*/
nettle_mpz_init_set_str_256_u(signature, sigblock_len, (uint8_t*)sigblock);
switch (digest_size) {
case SHA1_DIGEST_SIZE:
{
uint8_t digest[SHA1_DIGEST_SIZE];
res = _digest_nettle(SHA1_DIGEST_SIZE, (unsigned char*)sldns_buffer_begin(buf),
(unsigned int)sldns_buffer_limit(buf), (unsigned char*)digest);
res &= rsa_sha1_verify_digest(&pubkey, digest, signature);
break;
}
case SHA256_DIGEST_SIZE:
{
uint8_t digest[SHA256_DIGEST_SIZE];
res = _digest_nettle(SHA256_DIGEST_SIZE, (unsigned char*)sldns_buffer_begin(buf),
(unsigned int)sldns_buffer_limit(buf), (unsigned char*)digest);
res &= rsa_sha256_verify_digest(&pubkey, digest, signature);
break;
}
case SHA512_DIGEST_SIZE:
{
uint8_t digest[SHA512_DIGEST_SIZE];
res = _digest_nettle(SHA512_DIGEST_SIZE, (unsigned char*)sldns_buffer_begin(buf),
(unsigned int)sldns_buffer_limit(buf), (unsigned char*)digest);
res &= rsa_sha512_verify_digest(&pubkey, digest, signature);
break;
}
default:
break;
}
/* Clear and return */
nettle_rsa_public_key_clear(&pubkey);
mpz_clear(signature);
if (!res) {
return "RSA signature verification failed";
} else {
return NULL;
}
}
void Transport::nfcGetMessageInfo(size_t* pRecordCount)
{
uint8_t in[2];
command(Transport::NFC_GET_MESSAGE_INFO, NULL, 0, in, sizeof(in));
READ_UINT16(&in[0], *pRecordCount);
}
void OSystem_Android::setMouseCursor(const void *buf, uint w, uint h,
int hotspotX, int hotspotY,
uint32 keycolor, bool dontScale,
const Graphics::PixelFormat *format) {
ENTER("%p, %u, %u, %d, %d, %u, %d, %p", buf, w, h, hotspotX, hotspotY,
keycolor, dontScale, format);
GLTHREADCHECK;
#ifdef USE_RGB_COLOR
if (format && format->bytesPerPixel > 1) {
if (_mouse_texture != _mouse_texture_rgb) {
LOGD("switching to rgb mouse cursor");
assert(!_mouse_texture_rgb);
_mouse_texture_rgb = new GLES5551Texture();
_mouse_texture_rgb->setLinearFilter(_graphicsMode == 1);
}
_mouse_texture = _mouse_texture_rgb;
} else {
if (_mouse_texture != _mouse_texture_palette)
LOGD("switching to paletted mouse cursor");
_mouse_texture = _mouse_texture_palette;
delete _mouse_texture_rgb;
_mouse_texture_rgb = 0;
}
#endif
_mouse_texture->allocBuffer(w, h);
if (_mouse_texture == _mouse_texture_palette) {
assert(keycolor < 256);
byte *p = _mouse_texture_palette->palette() + _mouse_keycolor * 2;
WRITE_UINT16(p, READ_UINT16(p) | 1);
_mouse_keycolor = keycolor;
p = _mouse_texture_palette->palette() + _mouse_keycolor * 2;
WRITE_UINT16(p, READ_UINT16(p) & ~1);
}
if (w == 0 || h == 0)
return;
if (_mouse_texture == _mouse_texture_palette) {
_mouse_texture->updateBuffer(0, 0, w, h, buf, w);
} else {
uint16 pitch = _mouse_texture->pitch();
byte *tmp = new byte[pitch * h];
// meh, a 16bit cursor without alpha bits... this is so silly
if (!crossBlit(tmp, (const byte *)buf, pitch, w * 2, w, h,
_mouse_texture->getPixelFormat(),
*format)) {
LOGE("crossblit failed");
delete[] tmp;
_mouse_texture->allocBuffer(0, 0);
return;
}
const uint16 *s = (const uint16 *)buf;
uint16 *d = (uint16 *)tmp;
for (uint16 y = 0; y < h; ++y, d += pitch / 2 - w)
for (uint16 x = 0; x < w; ++x, d++)
if (*s++ == (keycolor & 0xffff))
*d = 0;
_mouse_texture->updateBuffer(0, 0, w, h, tmp, pitch);
delete[] tmp;
}
_mouse_hotspot = Common::Point(hotspotX, hotspotY);
// TODO: Adapt to the new "do not scale" cursor logic.
_mouse_targetscale = 1;
}