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-rw-r--r--Src/Winamp/vid_gdi+.cpp359
1 files changed, 359 insertions, 0 deletions
diff --git a/Src/Winamp/vid_gdi+.cpp b/Src/Winamp/vid_gdi+.cpp
new file mode 100644
index 00000000..49eb903f
--- /dev/null
+++ b/Src/Winamp/vid_gdi+.cpp
@@ -0,0 +1,359 @@
+#include "main.h"
+#include "vid_subs.h"
+#include "vid_gdi+.h"
+#include "WinampAttributes.h"
+#include "../nu/AutoWide.h"
+#include "../nsutil/image.h"
+
+GDIPVideoOutput gdiplusVideo;
+
+static void colorspace_convert(UINT inputtype, const char * inputbuf, char * output, int flip, int width, int height);
+
+void GDIPVideoOutput::SetupGraphics()
+{
+ // create new canvas
+ if (graphics) delete graphics;
+ graphics = new Graphics(parent, FALSE);
+ graphics->Clear(Color(0));
+
+ HDC h = graphics->GetHDC();
+
+ // recreate back device context
+ if (graphicsback) delete graphicsback; // we must delete this before deleting backdc
+ if (backdc) DeleteDC(backdc);
+ backdc = CreateCompatibleDC(h);
+
+ // make sure back device context has right size and color depth
+ HBITMAP memBM = CreateCompatibleBitmap(h, winw, winh);
+ SelectObject(backdc, memBM);
+ DeleteObject(memBM);
+
+ // create back graphics canvas
+ graphicsback = new Graphics(backdc);
+ graphicsback->Clear(Color(0));
+
+ graphics->ReleaseHDC(h);
+
+ // set parameters
+ /* fuck it, all default for now.
+ graphicsback->SetInterpolationMode(InterpolationModeBilinear);
+ graphicsback->SetCompositingQuality(CompositingQualityHighSpeed);
+ graphicsback->SetCompositingMode(CompositingModeSourceCopy);
+ graphicsback->SetSmoothingMode(SmoothingModeNone);
+ */
+}
+
+GDIPVideoOutput::GDIPVideoOutput() : graphics(0), frame(0), type(0), graphicsback(0), backdc(0), w(0), h(0), flip(0), winw(0), winh(0), gdiplusToken(0), subs(0), needschange(0), parent(0), adjuster(0)
+{
+}
+
+GDIPVideoOutput::~GDIPVideoOutput()
+{
+}
+
+int GDIPVideoOutput::create(HWND parent, VideoAspectAdjuster *_adjuster, int w, int h, unsigned int type, int flipit, double aspectratio) //return 1 if ok
+{
+ GdiplusStartupInput gdiplusStartupInput;
+ GdiplusStartup(&gdiplusToken, &gdiplusStartupInput, NULL);
+
+ needschange = 1;
+ adjuster = _adjuster;
+ needschange = 0;
+ RECT r;
+ GetWindowRect(parent, &r);
+ winw = r.right - r.left;
+ winh = r.bottom = r.top;
+ this->parent = parent;
+ this->flip = flipit;
+ this->w = w;
+ this->h = h;
+ this->type = type;
+ SetupGraphics();
+ frame = new Bitmap(w, h, graphicsback);
+ ZeroMemory(&lastrect, sizeof(RECT));
+ return 1;
+}
+
+// TODO: verify that this works
+bool GDIPVideoOutput::FillFrame(Bitmap * frame, void *buf)
+{
+ switch (type)
+ {
+ case VIDEO_MAKETYPE('R', 'G', '3', '2'):
+ {
+ BITMAPINFO info;
+ info.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
+ info.bmiHeader.biWidth = w;
+ info.bmiHeader.biHeight = h;
+ info.bmiHeader.biPlanes = 1;
+ info.bmiHeader.biBitCount = 32;
+ info.bmiHeader.biCompression = BI_RGB;
+ info.bmiHeader.biSizeImage = 0;
+ info.bmiHeader.biXPelsPerMeter = 0;
+ info.bmiHeader.biYPelsPerMeter = 0;
+ info.bmiHeader.biXPelsPerMeter = 0;
+ info.bmiHeader.biYPelsPerMeter = 0;
+ info.bmiHeader.biClrUsed = 0;
+ info.bmiHeader.biClrImportant = 0;
+
+ frame->FromBITMAPINFO(&info, buf);
+
+ }
+ return true;
+ case VIDEO_MAKETYPE('R', 'G', '2', '4'):
+ {
+ BITMAPINFO info;
+ info.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
+ info.bmiHeader.biWidth = w;
+ info.bmiHeader.biHeight = h;
+ info.bmiHeader.biPlanes = 1;
+ info.bmiHeader.biBitCount = 24;
+ info.bmiHeader.biCompression = BI_RGB;
+ info.bmiHeader.biSizeImage = 0;
+ info.bmiHeader.biXPelsPerMeter = 0;
+ info.bmiHeader.biYPelsPerMeter = 0;
+ info.bmiHeader.biXPelsPerMeter = 0;
+ info.bmiHeader.biYPelsPerMeter = 0;
+ info.bmiHeader.biClrUsed = 0;
+ info.bmiHeader.biClrImportant = 0;
+
+ frame->FromBITMAPINFO(&info, buf);
+
+ }
+ return true;
+ }
+ return false;
+}
+
+void GDIPVideoOutput::displayFrame(const char *buf, int size, int time)
+{
+ // TODO: verify that this works before uncommenting if (!FillFrame(frame, const_cast<char *>(buf)))
+ {
+ BitmapData d;
+ d.Width = w;
+ d.Height = h;
+ d.PixelFormat = PixelFormat32bppRGB;
+ d.Stride = 4 * w;
+ d.Scan0 = 0;
+
+ // write the frame to our bitmap object
+ if (frame->LockBits(&Rect(0, 0, w, h), ImageLockModeWrite, PixelFormat32bppRGB, &d) != Ok)
+ {
+ needschange = 1; return;
+ }
+ colorspace_convert(type, buf, (char*)d.Scan0, flip, w, h);
+ frame->UnlockBits(&d);
+ }
+
+ // fix aspect ratio
+ RECT r = {0, 0, winw, winh};
+ adjuster->adjustAspect(r);
+ if (memcmp(&r, &lastrect, sizeof(RECT))) graphicsback->Clear(Color(0));
+ lastrect = r;
+
+ // draw the image
+ graphicsback->DrawImage(frame, r.left, r.top, r.right - r.left, r.bottom - r.top);
+ if (subs)
+ { // draw subtitles
+ //graphicsback->DrawString(AutoWide(subs->text),-1,&Font(L"Arial.ttf",36),PointF(subs->xPos,subs->yPos),&SolidBrush(Color(subs->colorRed,subs->colorGreen,subs->colorBlue)));
+ }
+
+ // flip graphics and graphicsback
+ HDC h = graphics->GetHDC();
+ HDC b = graphicsback->GetHDC();
+ BitBlt(h, r.left, r.top, r.right - r.left, r.bottom - r.top, b, r.left, r.top, SRCCOPY);
+ graphicsback->ReleaseHDC(b);
+ graphics->ReleaseHDC(h);
+}
+
+int GDIPVideoOutput::needChange()
+{
+ return needschange;
+}
+
+void GDIPVideoOutput::close()
+{
+ if (graphics) delete graphics; graphics = 0;
+ if (frame) delete frame; frame = 0;
+ if (graphicsback) delete graphicsback; graphicsback = 0;
+ if (backdc) DeleteDC(backdc); backdc = 0;
+ subs = 0;
+ type = 0;
+
+ GdiplusShutdown(gdiplusToken);
+}
+
+void GDIPVideoOutput::Refresh()
+{}
+
+void GDIPVideoOutput::timerCallback()
+{
+ RECT r;
+ GetWindowRect(parent, &r);
+ UINT w, h;
+ w = r.right - r.left;
+ h = r.bottom - r.top;
+ bool change = (w != winw || h != winh);
+ if (change)
+ {
+ winw = w;
+ winh = h;
+ // sizes have changed, we must reset the graphics
+ SetupGraphics();
+ }
+}
+
+//mmm. ctrl+c ctrl+v.
+static void colorspace_convert(UINT type, const char * buf, char * lpSurface, int flip, int width, int height)
+{
+ const int lPitch = width * 4;
+ if (type == VIDEO_MAKETYPE('Y', 'V', '1', '2'))
+ {
+ const YV12_PLANES *planes = (YV12_PLANES *)buf;
+ // convert yv12 to rgb
+ const int bytes = 4;
+ int i, j, y00, y01, y10, y11, u, v;
+ unsigned char *pY = (unsigned char *)planes->y.baseAddr;
+ unsigned char *pU = (unsigned char *)planes->u.baseAddr;
+ unsigned char *pV = (unsigned char *)planes->v.baseAddr;
+ unsigned char *pOut = (unsigned char*)lpSurface;
+ const int rvScale = (int)(2.017 * 65536.0); //91881;
+ const int gvScale = - (int)(0.392 * 65536.0); // -22553;
+ const int guScale = - (int)(0.813 * 65536.0); // -46801;
+ const int buScale = (int)(1.596 * 65536.0); //116129;
+ const int yScale = (int)(1.164 * 65536.0); //(1.164*65536.0);
+ int addOut = lPitch * 2 - width * bytes;
+ int yrb = planes->y.rowBytes;
+ int addL = lPitch;
+
+ /* LIMIT: convert a 16.16 fixed-point value to a byte, with clipping. */
+#define LIMIT(x) ((x)>0xffffff?0xff: ((x)<=0xffff?0:((x)>>16)))
+
+ if (flip)
+ {
+ pOut += (lPitch) * (height - 1);
+ addOut = -lPitch * 2 - width * bytes;
+ addL = -addL;
+ }
+
+ for (j = 0; j <= height - 2; j += 2)
+ {
+ for (i = 0; i <= width - 2; i += 2)
+ {
+ y00 = *pY - 16;
+ y01 = *(pY + 1) - 16;
+ y10 = *(pY + yrb) - 16;
+ y11 = *(pY + yrb + 1) - 16;
+ u = (*pU++) - 128;
+ v = (*pV++) - 128;
+
+ {
+ int r, g, b;
+
+ g = guScale * v + gvScale * u;
+ r = buScale * v;
+ b = rvScale * u;
+
+ y00 *= yScale; y01 *= yScale;
+ y10 *= yScale; y11 *= yScale;
+
+ {
+ {
+ unsigned char *rgb = pOut;
+ /* Write out top two pixels */
+ rgb[0] = LIMIT(b + y00); rgb[1] = LIMIT(g + y00); rgb[2] = LIMIT(r + y00);
+ rgb[4] = LIMIT(b + y01); rgb[5] = LIMIT(g + y01); rgb[6] = LIMIT(r + y01);
+
+ /* Skip down to next line to write out bottom two pixels */
+ rgb += addL;
+ rgb[0] = LIMIT(b + y10); rgb[1] = LIMIT(g + y10); rgb[2] = LIMIT(r + y10);
+ rgb[4] = LIMIT(b + y11); rgb[5] = LIMIT(g + y11); rgb[6] = LIMIT(r + y11);
+ }
+ }
+ }
+
+ pY += 2;
+ pOut += 2 * bytes;
+ }
+ pY += yrb + yrb - width;
+ pU += planes->u.rowBytes - width / 2;
+ pV += planes->v.rowBytes - width / 2;
+ pOut += addOut;
+ }
+ }
+ else if (type == VIDEO_MAKETYPE('R', 'G', '3', '2'))
+ {
+ if (flip)
+ nsutil_image_CopyFlipped_U8((uint8_t *)lpSurface, lPitch, (const uint8_t *)buf, width*4, width, height);
+ else
+ nsutil_image_Copy_U8((uint8_t *)lpSurface, lPitch, (const uint8_t *)buf, width*4, width, height);
+ }
+ else if (type == VIDEO_MAKETYPE('Y', 'U', 'Y', '2') || type == VIDEO_MAKETYPE('U', 'Y', 'V', 'Y'))
+ {
+ char *b = (char *)lpSurface;
+ int l2 = lPitch;
+ if (flip)
+ {
+ b += (height - 1) * l2;
+ l2 = -l2;
+ }
+ {
+ {
+ // yuy2->rgb32 conversion
+ unsigned char *src = (unsigned char *)buf;
+ unsigned char *dst = (unsigned char *)lpSurface;
+ int line, col; //, linewidth;
+ int y, yy;
+ int u, v;
+ int vr, ug, vg, ub;
+ unsigned char *py, *pu, *pv;
+
+ //linewidth = width - (width >> 1);
+ py = src;
+ pu = src + 1;
+ pv = src + 3;
+
+ int pitchadd = lPitch - (width * 4);
+
+ for (line = 0; line < height; line++)
+ {
+ for (col = 0; col < width; col++)
+ {
+#undef LIMIT
+#define LIMIT(x) ( (x) > 0xffff ? 0xff : ( (x) <= 0xff ? 0 : ( (x) >> 8 ) ) )
+
+ y = *py;
+ yy = y << 8;
+ u = *pu - 128;
+ ug = 88 * u;
+ ub = 454 * u;
+ v = *pv - 128;
+ vg = 183 * v;
+ vr = 359 * v;
+
+ *dst++ = LIMIT(yy + ub); // b
+ *dst++ = LIMIT(yy - ug - vg); // g
+ *dst++ = LIMIT(yy + vr); // r
+ dst++;
+
+ py += 2;
+ if ((col & 1) == 1)
+ {
+ pu += 4; // skip yvy every second y
+ pv += 4; // skip yuy every second y
+ }
+ } // ..for col
+ dst += pitchadd;
+ } /* ..for line */
+ }
+ }
+ }
+ else if (type == VIDEO_MAKETYPE('R', 'G', '2', '4'))
+ {
+ if (flip)
+ nsutil_image_ConvertFlipped_RGB24_RGB32((RGB32 *)lpSurface, lPitch, (const uint8_t *)buf, width*3, width, height);
+ else
+ nsutil_image_Convert_RGB24_RGB32((RGB32 *)lpSurface, lPitch, (const uint8_t *)buf, width*3, width, height);
+
+ }
+} \ No newline at end of file
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