void PrinceEngine::playVideo(Common::String videoFilename) {
// Set the correct video mode
initGraphics(640, 480, true, 0);
if (_system->getScreenFormat().bytesPerPixel == 1) {
warning("Couldn't switch to a RGB color video mode to play a video.");
return;
}
debug(2, "Screen format: %s", _system->getScreenFormat().toString().c_str());
Video::VideoDecoder *videoDecoder = new Video::AVIDecoder();
if (!videoDecoder->loadFile(videoFilename)) {
delete videoDecoder;
warning("Unable to open video %s", videoFilename.c_str());
initGraphics(640, 480, true);
return;
}
videoDecoder->start();
bool skipVideo = false;
while (!shouldQuit() && !videoDecoder->endOfVideo() && !skipVideo) {
if (videoDecoder->needsUpdate()) {
const Graphics::Surface *frame = videoDecoder->decodeNextFrame();
if (frame) {
if (frame->format.bytesPerPixel > 1) {
Graphics::Surface *frame1 = frame->convertTo(_system->getScreenFormat());
_system->copyRectToScreen(frame1->getPixels(), frame1->pitch, 0, 0, frame1->w, frame1->h);
frame1->free();
delete frame1;
} else {
_system->copyRectToScreen(frame->getPixels(), frame->pitch, 0, 0, frame->w, frame->h);
}
_system->updateScreen();
}
}
Common::Event event;
while (_system->getEventManager()->pollEvent(event)) {
if ((event.type == Common::EVENT_KEYDOWN && event.kbd.keycode == Common::KEYCODE_ESCAPE) ||
event.type == Common::EVENT_LBUTTONUP)
skipVideo = true;
}
_system->delayMillis(10);
}
delete videoDecoder;
initGraphics(640, 480, true);
}
reg_t kPlayDuck(EngineState *s, int argc, reg_t *argv) {
uint16 operation = argv[0].toUint16();
Video::VideoDecoder *videoDecoder = 0;
bool reshowCursor = g_sci->_gfxCursor->isVisible();
switch (operation) {
case 1: // Play
// 6 params
s->_videoState.reset();
s->_videoState.fileName = Common::String::format("%d.duk", argv[1].toUint16());
videoDecoder = new Video::AVIDecoder();
if (!videoDecoder->loadFile(s->_videoState.fileName)) {
warning("Could not open Duck %s", s->_videoState.fileName.c_str());
break;
}
if (reshowCursor)
g_sci->_gfxCursor->kernelHide();
{
// Duck videos are 16bpp, so we need to change the active pixel format
int oldWidth = g_system->getWidth();
int oldHeight = g_system->getHeight();
Common::List<Graphics::PixelFormat> formats;
formats.push_back(videoDecoder->getPixelFormat());
initGraphics(640, 480, true, formats);
if (g_system->getScreenFormat().bytesPerPixel != videoDecoder->getPixelFormat().bytesPerPixel)
error("Could not switch screen format for the duck video");
playVideo(videoDecoder, s->_videoState);
// Switch back to 8bpp
initGraphics(oldWidth, oldHeight, oldWidth > 320);
}
if (reshowCursor)
g_sci->_gfxCursor->kernelShow();
break;
default:
kStub(s, argc, argv);
break;
}
return s->r_acc;
}
reg_t kPlayVMD(EngineState *s, int argc, reg_t *argv) {
uint16 operation = argv[0].toUint16();
Video::VideoDecoder *videoDecoder = 0;
bool reshowCursor = g_sci->_gfxCursor->isVisible();
Common::String warningMsg;
switch (operation) {
case 0: // init
s->_videoState.reset();
s->_videoState.fileName = s->_segMan->derefString(argv[1]);
if (argc > 2 && argv[2] != NULL_REG)
warning("kPlayVMD: third parameter isn't 0 (it's %04x:%04x - %s)", PRINT_REG(argv[2]), s->_segMan->getObjectName(argv[2]));
break;
case 1:
{
// Set VMD parameters. Called with a maximum of 6 parameters:
//
// x, y, flags, gammaBoost, gammaFirst, gammaLast
//
// gammaBoost boosts palette colors in the range gammaFirst to
// gammaLast, but only if bit 4 in flags is set. Percent value such that
// 0% = no amplification These three parameters are optional if bit 4 is
// clear. Also note that the x, y parameters play subtle games if used
// with subfx 21. The subtleness has to do with creation of temporary
// planes and positioning relative to such planes.
uint16 flags = argv[3].getOffset();
Common::String flagspec;
if (argc > 3) {
if (flags & kDoubled)
flagspec += "doubled ";
if (flags & kDropFrames)
flagspec += "dropframes ";
if (flags & kBlackLines)
flagspec += "blacklines ";
if (flags & kUnkBit3)
flagspec += "bit3 ";
if (flags & kGammaBoost)
flagspec += "gammaboost ";
if (flags & kHoldBlackFrame)
flagspec += "holdblack ";
if (flags & kHoldLastFrame)
flagspec += "holdlast ";
if (flags & kUnkBit7)
flagspec += "bit7 ";
if (flags & kStretch)
flagspec += "stretch";
warning("VMDFlags: %s", flagspec.c_str());
s->_videoState.flags = flags;
}
warning("x, y: %d, %d", argv[1].getOffset(), argv[2].getOffset());
s->_videoState.x = argv[1].getOffset();
s->_videoState.y = argv[2].getOffset();
if (argc > 4 && flags & 16)
warning("gammaBoost: %d%% between palette entries %d and %d", argv[4].getOffset(), argv[5].getOffset(), argv[6].getOffset());
break;
}
case 6: // Play
videoDecoder = new Video::AdvancedVMDDecoder();
if (s->_videoState.fileName.empty()) {
// Happens in Lighthouse
warning("kPlayVMD: Empty filename passed");
return s->r_acc;
}
if (!videoDecoder->loadFile(s->_videoState.fileName)) {
warning("Could not open VMD %s", s->_videoState.fileName.c_str());
break;
}
if (reshowCursor)
g_sci->_gfxCursor->kernelHide();
playVideo(videoDecoder, s->_videoState);
if (reshowCursor)
g_sci->_gfxCursor->kernelShow();
break;
case 23: // set video palette range
s->_vmdPalStart = argv[1].toUint16();
s->_vmdPalEnd = argv[2].toUint16();
break;
case 14:
// Takes an additional integer parameter (e.g. 3)
case 16:
// Takes an additional parameter, usually 0
case 21:
// Looks to be setting the video size and position. Called with 4 extra integer
// parameters (e.g. 86, 41, 235, 106)
default:
warningMsg = Common::String::format("PlayVMD - unsupported subop %d. Params: %d (", operation, argc);
for (int i = 0; i < argc; i++) {
warningMsg += Common::String::format("%04x:%04x", PRINT_REG(argv[i]));
warningMsg += (i == argc - 1 ? ")" : ", ");
}
warning("%s", warningMsg.c_str());
break;
}
return s->r_acc;
}
reg_t kShowMovie(EngineState *s, int argc, reg_t *argv) {
// Hide the cursor if it's showing and then show it again if it was
// previously visible.
bool reshowCursor = g_sci->_gfxCursor->isVisible();
if (reshowCursor)
g_sci->_gfxCursor->kernelHide();
uint16 screenWidth = g_system->getWidth();
uint16 screenHeight = g_system->getHeight();
Video::VideoDecoder *videoDecoder = 0;
if (argv[0].getSegment() != 0) {
Common::String filename = s->_segMan->getString(argv[0]);
if (g_sci->getPlatform() == Common::kPlatformMacintosh) {
// Mac QuickTime
// The only argument is the string for the video
// HACK: Switch to 16bpp graphics for Cinepak.
initGraphics(screenWidth, screenHeight, screenWidth > 320, NULL);
if (g_system->getScreenFormat().bytesPerPixel == 1) {
warning("This video requires >8bpp color to be displayed, but could not switch to RGB color mode");
return NULL_REG;
}
videoDecoder = new Video::QuickTimeDecoder();
if (!videoDecoder->loadFile(filename))
error("Could not open '%s'", filename.c_str());
} else {
// DOS SEQ
// SEQ's are called with no subops, just the string and delay
// Time is specified as ticks
videoDecoder = new SEQDecoder(argv[1].toUint16());
if (!videoDecoder->loadFile(filename)) {
warning("Failed to open movie file %s", filename.c_str());
delete videoDecoder;
videoDecoder = 0;
}
}
} else {
// Windows AVI
// TODO: This appears to be some sort of subop. case 0 contains the string
// for the video, so we'll just play it from there for now.
#ifdef ENABLE_SCI32
if (getSciVersion() >= SCI_VERSION_2_1) {
// SCI2.1 always has argv[0] as 1, the rest of the arguments seem to
// follow SCI1.1/2.
if (argv[0].toUint16() != 1)
error("SCI2.1 kShowMovie argv[0] not 1");
argv++;
argc--;
}
#endif
switch (argv[0].toUint16()) {
case 0: {
Common::String filename = s->_segMan->getString(argv[1]);
videoDecoder = new Video::AVIDecoder();
if (filename.equalsIgnoreCase("gk2a.avi")) {
// HACK: Switch to 16bpp graphics for Indeo3.
// The only known movie to do use this codec is the GK2 demo trailer
// If another video turns up that uses Indeo, we may have to add a better
// check.
initGraphics(screenWidth, screenHeight, screenWidth > 320, NULL);
if (g_system->getScreenFormat().bytesPerPixel == 1) {
warning("This video requires >8bpp color to be displayed, but could not switch to RGB color mode");
return NULL_REG;
}
}
if (!videoDecoder->loadFile(filename.c_str())) {
warning("Failed to open movie file %s", filename.c_str());
delete videoDecoder;
videoDecoder = 0;
} else {
s->_videoState.fileName = filename;
}
break;
}
default:
warning("Unhandled SCI kShowMovie subop %d", argv[0].toUint16());
}
}
if (videoDecoder) {
playVideo(videoDecoder, s->_videoState);
// HACK: Switch back to 8bpp if we played a true color video.
// We also won't be copying the screen to the SCI screen...
if (g_system->getScreenFormat().bytesPerPixel != 1)
initGraphics(screenWidth, screenHeight, screenWidth > 320);
else {
g_sci->_gfxScreen->kernelSyncWithFramebuffer();
g_sci->_gfxPalette->kernelSyncScreenPalette();
}
}
if (reshowCursor)
g_sci->_gfxCursor->kernelShow();
return s->r_acc;
}