diff options
| author | Joel Martin <github@martintribe.org> | 2011-07-19 13:40:34 +0200 |
|---|---|---|
| committer | Christian Beier <dontmind@freeshell.org> | 2011-07-22 17:56:26 +0200 |
| commit | 896ca2036c35b89a7f63e1adefe5e3724bf4d40d (patch) | |
| tree | d59dd0310911a14e65f55378897f146a0b1c2184 /libvncserver/rfbserver.c | |
| parent | 17ce0c56281f55316685f194b34e5f99f4024a5f (diff) | |
| download | libtdevnc-896ca2036c35b89a7f63e1adefe5e3724bf4d40d.tar.gz libtdevnc-896ca2036c35b89a7f63e1adefe5e3724bf4d40d.zip | |
tightPng: Add initial tightPng encoding support.
http://wiki.qemu.org/VNC_Tight_PNG
Signed-off-by: Joel Martin <github@martintribe.org>
Signed-off-by: Christian Beier <dontmind@freeshell.org>
Diffstat (limited to 'libvncserver/rfbserver.c')
| -rw-r--r-- | libvncserver/rfbserver.c | 49 |
1 files changed, 45 insertions, 4 deletions
diff --git a/libvncserver/rfbserver.c b/libvncserver/rfbserver.c index 8f0e390..587a2f0 100644 --- a/libvncserver/rfbserver.c +++ b/libvncserver/rfbserver.c @@ -358,10 +358,12 @@ rfbNewTCPOrUDPClient(rfbScreenInfoPtr rfbScreen, rfbScreen->clientHead = cl; UNLOCK(rfbClientListMutex); -#ifdef LIBVNCSERVER_HAVE_LIBZ +#if defined(LIBVNCSERVER_HAVE_LIBZ) || defined(LIBVNCSERVER_HAVE_LIBPNG) cl->tightQualityLevel = -1; -#ifdef LIBVNCSERVER_HAVE_LIBJPEG +#if defined(LIBVNCSERVER_HAVE_LIBJPEG) || defined(LIBVNCSERVER_HAVE_LIBPNG) cl->tightCompressLevel = TIGHT_DEFAULT_COMPRESSION; +#endif +#ifdef LIBVNCSERVER_HAVE_LIBJPEG { int i; for (i = 0; i < 4; i++) @@ -918,6 +920,9 @@ rfbSendSupportedEncodings(rfbClientPtr cl) #ifdef LIBVNCSERVER_HAVE_LIBJPEG rfbEncodingTight, #endif +#ifdef LIBVNCSERVER_HAVE_LIBPNG + rfbEncodingTightPng, +#endif rfbEncodingUltra, rfbEncodingUltraZip, rfbEncodingXCursor, @@ -1938,6 +1943,9 @@ rfbProcessClientNormalMessage(rfbClientPtr cl) case rfbEncodingTight: #endif #endif +#ifdef LIBVNCSERVER_HAVE_LIBPNG + case rfbEncodingTightPng: +#endif /* The first supported encoding is the 'preferred' encoding */ if (cl->preferredEncoding == -1) cl->preferredEncoding = enc; @@ -2026,11 +2034,11 @@ rfbProcessClientNormalMessage(rfbClientPtr cl) } break; default: -#ifdef LIBVNCSERVER_HAVE_LIBZ +#if defined(LIBVNCSERVER_HAVE_LIBZ) || defined(LIBVNCSERVER_HAVE_LIBPNG) if ( enc >= (uint32_t)rfbEncodingCompressLevel0 && enc <= (uint32_t)rfbEncodingCompressLevel9 ) { cl->zlibCompressLevel = enc & 0x0F; -#ifdef LIBVNCSERVER_HAVE_LIBJPEG +#if defined(LIBVNCSERVER_HAVE_LIBJPEG) || defined(LIBVNCSERVER_HAVE_LIBPNG) cl->tightCompressLevel = enc & 0x0F; rfbLog("Using compression level %d for client %s\n", cl->tightCompressLevel, cl->host); @@ -2755,6 +2763,28 @@ rfbSendFramebufferUpdate(rfbClientPtr cl, sraRgnReleaseIterator(i); i=NULL; #endif #endif +#ifdef LIBVNCSERVER_HAVE_LIBPNG + } else if (cl->preferredEncoding == rfbEncodingTightPng) { + nUpdateRegionRects = 0; + + for(i = sraRgnGetIterator(updateRegion); sraRgnIteratorNext(i,&rect);){ + int x = rect.x1; + int y = rect.y1; + int w = rect.x2 - x; + int h = rect.y2 - y; + int n; + /* We need to count the number of rects in the scaled screen */ + if (cl->screen!=cl->scaledScreen) + rfbScaledCorrection(cl->screen, cl->scaledScreen, &x, &y, &w, &h, "rfbSendFramebufferUpdate"); + n = rfbNumCodedRectsTight(cl, x, y, w, h); + if (n == 0) { + nUpdateRegionRects = 0xFFFF; + break; + } + nUpdateRegionRects += n; + } + sraRgnReleaseIterator(i); i=NULL; +#endif } else { nUpdateRegionRects = sraRgnCountRects(updateRegion); } @@ -2774,6 +2804,10 @@ rfbSendFramebufferUpdate(rfbClientPtr cl, && cl->preferredEncoding != rfbEncodingTight #endif #endif +#ifdef LIBVNCSERVER_HAVE_LIBPNG + /* Tight encoding counts the rectangles differently */ + && cl->preferredEncoding != rfbEncodingTightPng +#endif && nUpdateRegionRects>cl->screen->maxRectsPerUpdate) { sraRegion* newUpdateRegion = sraRgnBBox(updateRegion); sraRgnDestroy(updateRegion); @@ -2868,6 +2902,13 @@ rfbSendFramebufferUpdate(rfbClientPtr cl, break; #endif #endif +#ifdef LIBVNCSERVER_HAVE_LIBPNG + case rfbEncodingTightPng: + /* TODO */ + if (!rfbSendRectEncodingTightPng(cl, x, y, w, h)) + goto updateFailed; + break; +#endif #ifdef LIBVNCSERVER_HAVE_LIBZ case rfbEncodingZRLE: case rfbEncodingZYWRLE: |