void cDisplay3BPPHalf::InitOSD() {
if (osd) delete osd;
osd = cOsdProvider::NewOsd(OsdX0, OsdY0);
if (!osd) return;
int width=(Width+1)&~1;
// Width has to end on byte boundary, so round up
tArea Areas[] = { { 0, 0, width - 1, Height - 1, 4 } };
// Try full-size area first
while (osd->CanHandleAreas(Areas, sizeof(Areas) / sizeof(tArea)) != oeOk) {
// Out of memory, so shrink
if (Upper) {
// Move up lower border
Areas[0].y2=Areas[0].y2-1;
} else {
// Move down upper border
Areas[0].y1=Areas[0].y1+1;
}
if (Areas[0].y1>Areas[0].y2) {
// Area is empty, fail miserably
delete osd;
osd=NULL;
return;
}
}
// Add some backup
// CanHandleAreas is not accurate enough
if (Upper) {
Areas[0].y2=Areas[0].y2-10;
} else {
Areas[0].y1=Areas[0].y1+10;
}
osd->SetAreas(Areas, sizeof(Areas) / sizeof(tArea));
InitPalette();
InitScaler();
// In case we switched on the fly, do a full redraw
Dirty=true;
DirtyAll=true;
Flush();
}
cDisplay2BPP::cDisplay2BPP(int x0, int y0, int width, int height)
: cDisplay(width,height) {
// 2BPP display with color mapping
osd = cOsdProvider::NewOsd(x0, y0);
if (!osd) return;
width=(width+3)&~3;
// Width has to end on byte boundary, so round up
tArea Areas[] = { { 0, 0, width - 1, height - 1, 2 } };
if (osd->CanHandleAreas(Areas, sizeof(Areas) / sizeof(tArea)) != oeOk) {
delete osd;
osd=NULL;
return;
}
osd->SetAreas(Areas, sizeof(Areas) / sizeof(tArea));
InitPalette();
InitScaler();
}
cDisplay3BPP::cDisplay3BPP(int x0, int y0, int width, int height)
: cDisplay(width,height) {
// 3BPP display for memory-modded DVB cards and other OSD providers
// Actually uses 4BPP, because DVB does not support 3BPP.
osd = cOsdProvider::NewOsd(x0, y0);
if (!osd) return;
width=(width+1)&~1;
// Width has to end on byte boundary, so round up
tArea Areas[] = { { 0, 0, width - 1, height - 1, 4 } };
if (osd->CanHandleAreas(Areas, sizeof(Areas) / sizeof(tArea)) != oeOk) {
delete osd;
osd=NULL;
return;
}
osd->SetAreas(Areas, sizeof(Areas) / sizeof(tArea));
InitPalette();
InitScaler();
}
bool AndroidVideoOutput::InitCheck (AVStream *vstream) {
// release resources if previously initialized
CloseFrameBuffer();
#if 0
// initialize only when we have all the required parameters
if (iVideoDisplayWidth <=0 || iVideoDisplayHeight <= 0 || iVideoWidth <= 0 || iVideoHeight <= 0) {
ERROR ("display or frame size error! display(%d, %d), frame(%d, %d)",
iVideoDisplayWidth, iVideoDisplayHeight, iVideoWidth, iVideoHeight);
return false;
}
#endif
if (InitScaler (vstream) < 0) {
ERROR ("InitScaler fail!");
return false;
}
// copy parameters in case we need to adjust them
int displayWidth = iVideoDisplayWidth;
int displayHeight = iVideoDisplayHeight;
int frameWidth = iVideoWidth;
int frameHeight = iVideoHeight;
int frameSize;
// RGB-565 frames are 2 bytes/pixel
displayWidth = (displayWidth + 1) & -2;
displayHeight = (displayHeight + 1) & -2;
frameWidth = (frameWidth + 1) & -2;
frameHeight = (frameHeight + 1) & -2;
frameSize = frameWidth * frameHeight * 2;
iVideoFrameSize = frameSize;
// create frame buffer heap and register with surfaceflinger
mFrameHeap = new android::MemoryHeapBase(frameSize * kBufferCount);
if (mFrameHeap->heapID() < 0)
{
ERROR ("Error creating frame buffer heap!");
return false;
}
DEBUG ("allcate buffers for surface(%p)!(%d, %d, %d, %d)", mSurface.get(),
displayWidth, displayHeight, displayWidth, displayHeight);
android::ISurface::BufferHeap buffers(displayWidth, displayHeight,
displayWidth, displayHeight, android::PIXEL_FORMAT_RGB_565, mFrameHeap);
DEBUG ("mSurface(%p)->registerBuffers", mSurface.get());
mSurface->registerBuffers(buffers);
// create frame buffers
for (int i = 0; i < kBufferCount; i++)
{
mFrameBuffers[i] = i * frameSize;
}
#ifdef USE_COLOR_CONVERTER
// initialize software color converter
iColorConverter = ColorConvert16::NewL();
iColorConverter->Init(displayWidth, displayHeight, frameWidth, displayWidth, displayHeight, displayWidth, CCROTATE_NONE);
iColorConverter->SetMemHeight(frameHeight);
iColorConverter->SetMode(1);
#endif
DEBUG ("video = %d x %d", displayWidth, displayHeight);
DEBUG ("frame = %d x %d", frameWidth, frameHeight);
DEBUG ("frame #bytes = %d", frameSize);
// register frame buffers with SurfaceFlinger
mFrameBufferIndex = 0;
mInitialized = true;
//mPvPlayer->sendEvent(MEDIA_SET_VIDEO_SIZE, iVideoDisplayWidth, iVideoDisplayHeight);
return mInitialized;
}