mirror of
https://github.com/VDR4Arch/vdr.git
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Implemented overlay handling
This commit is contained in:
Klaus Schmidinger
parent
b3c78919d5
commit
925780c20f
@ -20,6 +20,7 @@ Guido Fiala <gfiala@s.netic.de>
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for implementing slow forward/back
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for implementing the SVDRP command 'HITK'
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for implementing image grabbing
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for implementing overlay capabilities (see his 'kvdr' tool at http://www.s.netic.de/gfiala)
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Robert Schneider <Robert.Schneider@lotus.com>
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for implementing EIT support for displaying the current/next info
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3
HISTORY
3
HISTORY
@ -187,3 +187,6 @@ Video Disk Recorder Revision History
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a parameter for a list of all valid key names.
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- The new SVDRP command 'GRAB' (thanks to Guido Fiala!) can be used to grab
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the current frame and save it to a file.
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- The new SVDRP commands 'OVL*' can be used to control video overlays (thanks
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to Guido Fiala!). This is mainly for use in the 'kvdr' tool (see the 'kvdr'
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page at http://www.s.netic.de/gfiala).
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157
dvbapi.c
157
dvbapi.c
@ -4,7 +4,7 @@
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* See the main source file 'vdr.c' for copyright information and
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* how to reach the author.
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*
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* $Id: dvbapi.c 1.26 2000/09/17 11:53:35 kls Exp $
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* $Id: dvbapi.c 1.27 2000/09/17 12:45:55 kls Exp $
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*/
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#include "dvbapi.h"
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@ -1069,6 +1069,11 @@ cDvbApi::cDvbApi(const char *FileName)
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if (videoDev < 0)
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LOG_ERROR;
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cols = rows = 0;
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ovlGeoSet = ovlStat = ovlFbSet = false;
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ovlBrightness = ovlColour = ovlHue = ovlContrast = 32768;
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ovlClipCount = 0;
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#if defined(DEBUG_OSD) || defined(REMOTE_KBD)
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initscr();
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keypad(stdscr, true);
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@ -1093,6 +1098,7 @@ cDvbApi::~cDvbApi()
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Close();
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Stop();
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StopRecord();
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OvlO(false); //Overlay off!
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close(videoDev);
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}
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#if defined(DEBUG_OSD) || defined(REMOTE_KBD)
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@ -1274,10 +1280,159 @@ bool cDvbApi::GrabImage(const char *FileName, bool Jpeg, int Quality, int SizeX,
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LOG_ERROR_STR(FileName);
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result |= 1;
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}
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if (ovlStat && ovlGeoSet) {
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// switch the Overlay on again (gf: why have i to do anything again?)
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OvlG(ovlSizeX, ovlSizeY, ovlPosX, ovlPosY);
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}
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if (ovlFbSet)
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OvlP(ovlBrightness, ovlColour, ovlHue, ovlContrast);
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munmap(mem, msize);
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return result == 0;
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}
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bool cDvbApi::OvlF(int SizeX, int SizeY, int FbAddr, int Bpp, int Palette)
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{
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int result = 0;
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// get the actual X-Server settings???
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// plausibility-check problem: can't be verified w/o X-server!!!
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if (SizeX <= 0 || SizeY <= 0 || FbAddr == 0 || Bpp / 8 > 4 ||
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Bpp / 8 <= 0 || Palette <= 0 || Palette > 13 || ovlClipCount < 0 ||
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SizeX > 4096 || SizeY > 4096) {
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ovlFbSet = ovlGeoSet = false;
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OvlO(false);
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return false;
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}
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else {
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dsyslog(LOG_INFO, "OvlF: %d %d %x %d %d", SizeX, SizeY, FbAddr, Bpp, Palette);
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// this is the problematic part!
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struct video_buffer vb;
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result |= ioctl(videoDev, VIDIOCGFBUF, &vb);
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vb.base = (void*)FbAddr;
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vb.depth = Bpp;
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vb.height = SizeY;
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vb.width = SizeX;
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vb.bytesperline = ((vb.depth + 1) / 8) * vb.width;
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//now the real thing: setting the framebuffer
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result |= ioctl(videoDev, VIDIOCSFBUF, &vb);
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if (result) {
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ovlFbSet = ovlGeoSet = false;
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ovlClipCount = 0;
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OvlO(false);
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return false;
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}
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else {
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ovlFbSizeX = SizeX;
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ovlFbSizeY = SizeY;
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ovlBpp = Bpp;
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ovlPalette = Palette;
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ovlFbSet = true;
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return true;
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}
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}
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}
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bool cDvbApi::OvlG(int SizeX, int SizeY, int PosX, int PosY)
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{
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int result = 0;
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// get the actual X-Server settings???
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struct video_capability vc;
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result |= ioctl(videoDev, VIDIOCGCAP, &vc);
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if (!ovlFbSet)
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return false;
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if (SizeX < vc.minwidth || SizeY < vc.minheight ||
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SizeX > vc.maxwidth || SizeY>vc.maxheight
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// || PosX > FbSizeX || PosY > FbSizeY
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// PosX < -SizeX || PosY < -SizeY ||
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) {
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ovlGeoSet = false;
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OvlO(false);
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return false;
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}
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else {
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struct video_window vw;
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result |= ioctl(videoDev, VIDIOCGWIN, &vw);
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vw.x = PosX;
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vw.y = PosY;
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vw.width = SizeX;
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vw.height = SizeY;
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vw.chromakey = ovlPalette;
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vw.flags = VIDEO_WINDOW_CHROMAKEY; // VIDEO_WINDOW_INTERLACE; //VIDEO_CLIP_BITMAP;
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vw.clips = ovlClipRects;
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vw.clipcount = ovlClipCount;
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result |= ioctl(videoDev, VIDIOCSWIN, &vw);
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if (result) {
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ovlGeoSet = false;
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ovlClipCount = 0;
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return false;
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}
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else {
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ovlSizeX = SizeX;
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ovlSizeY = SizeY;
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ovlPosX = PosX;
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ovlPosY = PosY;
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ovlGeoSet = true;
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ovlStat = true;
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return true;
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}
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}
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}
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bool cDvbApi::OvlC(int ClipCount, CRect *cr)
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{
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if (ovlGeoSet && ovlFbSet) {
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for (int i = 0; i < ClipCount; i++) {
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ovlClipRects[i].x = cr[i].x;
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ovlClipRects[i].y = cr[i].y;
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ovlClipRects[i].width = cr[i].width;
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ovlClipRects[i].height = cr[i].height;
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ovlClipRects[i].next = &(ovlClipRects[i + 1]);
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}
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ovlClipCount = ClipCount;
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//use it:
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return OvlG(ovlSizeX, ovlSizeY, ovlPosX, ovlPosY);
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}
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return false;
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}
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bool cDvbApi::OvlP(__u16 Brightness, __u16 Colour, __u16 Hue, __u16 Contrast)
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{
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int result = 0;
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ovlBrightness = Brightness;
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ovlColour = Colour;
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ovlHue = Hue;
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ovlContrast = Contrast;
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struct video_picture vp;
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if (!ovlFbSet)
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return false;
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result |= ioctl(videoDev, VIDIOCGPICT, &vp);
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vp.brightness = Brightness;
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vp.colour = Colour;
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vp.hue = Hue;
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vp.contrast = Contrast;
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vp.depth = ovlBpp;
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vp.palette = ovlPalette; // gf: is this always ok? VIDEO_PALETTE_RGB565;
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result |= ioctl(videoDev, VIDIOCSPICT, &vp);
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return result == 0;
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}
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bool cDvbApi::OvlO(bool Value)
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{
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int result = 0;
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if (!ovlGeoSet && Value)
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return false;
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int one = 1;
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int zero = 0;
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result |= ioctl(videoDev, VIDIOCCAPTURE, Value ? &one : &zero);
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ovlStat = Value;
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if (result) {
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ovlStat = false;
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return false;
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}
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return true;
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}
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#ifdef DEBUG_OSD
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void cDvbApi::SetColor(eDvbColor colorFg, eDvbColor colorBg)
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{
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23
dvbapi.h
23
dvbapi.h
@ -4,7 +4,7 @@
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* See the main source file 'vdr.c' for copyright information and
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* how to reach the author.
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*
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* $Id: dvbapi.h 1.15 2000/09/17 11:43:10 kls Exp $
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* $Id: dvbapi.h 1.16 2000/09/17 12:15:05 kls Exp $
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*/
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#ifndef __DVBAPI_H
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@ -21,6 +21,12 @@ typedef unsigned char __u8;
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#include <stdio.h>
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#include <dvb.h>
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// Overlay facilities
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#define MAXCLIPRECTS 100
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typedef struct CRect {
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signed short x, y, width, height;
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};
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#define MenuLines 15
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#define MenuColumns 40
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@ -74,6 +80,21 @@ public:
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bool GrabImage(const char *FileName, bool Jpeg = true, int Quality = -1, int SizeX = -1, int SizeY = -1);
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// Overlay facilities
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private:
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bool ovlStat, ovlGeoSet, ovlFbSet;
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int ovlSizeX, ovlSizeY, ovlPosX, ovlPosY, ovlBpp, ovlPalette, ovlClips, ovlClipCount;
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int ovlFbSizeX, ovlFbSizeY;
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__u16 ovlBrightness, ovlColour, ovlHue, ovlContrast;
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struct video_clip ovlClipRects[MAXCLIPRECTS];
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public:
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bool OvlF(int SizeX, int SizeY, int FbAddr, int Bpp, int Palette);
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bool OvlG(int SizeX, int SizeY, int PosX, int PosY);
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bool OvlC(int ClipCount, CRect *Cr);
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bool OvlP(__u16 Brightness, __u16 Color, __u16 Hue, __u16 Contrast);
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bool OvlO(bool Value);
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// On Screen Display facilities
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private:
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122
svdrp.c
122
svdrp.c
@ -10,7 +10,7 @@
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* and interact with the Video Disk Recorder - or write a full featured
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* graphical interface that sits on top of an SVDRP connection.
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*
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* $Id: svdrp.c 1.9 2000/09/17 11:29:33 kls Exp $
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* $Id: svdrp.c 1.10 2000/09/17 13:39:37 kls Exp $
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*/
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#define _GNU_SOURCE
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@ -154,6 +154,16 @@ const char *HelpPages[] = {
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" Create a new timer. Settings must be in the same format as returned\n"
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" by the LSTT command. It is an error if a timer with the same channel,\n"
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" day, start and stop time already exists.",
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"OVLF <sizex> <sizey> <fbaddr> <bpp> <palette>\n"
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" Set the size, address depth and palette of the overlay.",
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"OVLG <sizex> <sizey> <posx> <posy>\n"
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" Set the size and position of the overlay.",
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"OVLC <clipcount> <base16-CRect-array>\n"
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" Set the overlay clipping rectangles.",
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"OVLP <brightness> <colour> <hue> <contrast>\n"
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" Set the picture parameters for the overlay.",
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"OVLO 0 | 1\n"
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" Switch the overlay on or off.",
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"UPDT <settings>\n"
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" Updates a timer. Settings must be in the same format as returned\n"
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" by the LSTT command. If a timer with the same channel, day, start\n"
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@ -240,8 +250,11 @@ bool cSVDRP::Send(const char *s, int length)
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int wbytes = write(file, s, length);
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if (wbytes == length)
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return true;
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if (wbytes < 0)
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if (wbytes < 0) {
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LOG_ERROR;
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file.Close();
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cDvbApi::PrimaryDvbApi->OvlO(false);
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}
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else //XXX while...???
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esyslog(LOG_ERR, "Wrote %d bytes to client while expecting %d\n", wbytes, length);
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return false;
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@ -659,6 +672,106 @@ void cSVDRP::CmdNEWT(const char *Option)
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Reply(501, "Missing timer settings");
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}
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void cSVDRP::CmdOVLF(const char *Option)
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{
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if (*Option) {
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int SizeX = 0, SizeY = 0, Bpp = 0, Palette = 0, FbAddr = 0;
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if (5 == sscanf(Option, "%d %d %x %d %d", &SizeX, &SizeY, &FbAddr, &Bpp, &Palette)) {
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//somehow_set_overlay_geometry;
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if (cDvbApi::PrimaryDvbApi->OvlF(SizeX, SizeY, FbAddr, Bpp, Palette))
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Reply(250, "Overlay framebuffer set");
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else
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Reply(451, "Illegal overlay framebuffer settings");
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}
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else
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Reply(501, "Could not parse overlay framebuffer settings");
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}
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else
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Reply(501, "Missing overlay framebuffer settings");
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}
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void cSVDRP::CmdOVLG(const char *Option)
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{
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if (*Option) {
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int SizeX = 0, SizeY = 0, PosX = 0, PosY = 0;
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if (4 == sscanf(Option, "%d %d %d %d", &SizeX, &SizeY, &PosX, &PosY)) {
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//somehow_set_overlay_geometry;
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if (cDvbApi::PrimaryDvbApi->OvlG(SizeX, SizeY, PosX, PosY))
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Reply(250, "Overlay geometry set");
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else
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Reply(451, "Illegal overlay geometry settings");
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}
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else
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Reply(501, "Could not parse overlay geometry settings");
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}
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else
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Reply(501, "Missing overlay geometry settings");
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}
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void cSVDRP::CmdOVLC(const char *Option)
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{
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if (*Option) {
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int ClipCount = 0;
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unsigned char s[2 * MAXCLIPRECTS * sizeof(CRect) + 2];
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if (2 == sscanf(Option, "%d %s", &ClipCount, s)) {
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// Base16-decoding of CRect-array:
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unsigned char *p = (unsigned char*)ovlClipRects;
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int i = 0, size = sizeof(CRect)*ClipCount;
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for (int j = 0; i < size; i++) {
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p[i] = (s[j++] - 65);
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p[i] += (s[j++] - 65) << 4;
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}
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if (((unsigned)ClipCount == (i / sizeof(CRect))) && (ClipCount >= 0)) {
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// apply it:
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if (cDvbApi::PrimaryDvbApi->OvlC(ClipCount, ovlClipRects))
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Reply(250, "Overlay-Clipping set");
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else
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Reply(451, "Illegal overlay clipping settings");
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return;
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}
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}
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Reply(501, "Error parsing Overlay-Clipping settings");
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}
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else
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Reply(501, "Missing Clipping settings");
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}
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void cSVDRP::CmdOVLP(const char *Option)
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{
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if (*Option) {
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int Brightness = 0, Colour = 0, Hue = 0, Contrast = 0;
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if (4 == sscanf(Option, "%d %d %d %d", &Brightness, &Colour, &Hue, &Contrast)) {
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//somehow_set_overlay_picture_settings;
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if (cDvbApi::PrimaryDvbApi->OvlP(Brightness, Colour, Hue, Contrast))
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Reply(250, "Overlay picture settings set");
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else
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Reply(451, "Illegal overlay picture settings");
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}
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else
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Reply(501, "Could not parse overlay picture settings");
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}
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else
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Reply(501, "Missing overlay picture settings");
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}
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void cSVDRP::CmdOVLO(const char *Option)
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{
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if (*Option) {
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int Value;
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if (1 == sscanf(Option, "%d", &Value)) {
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//somehow_set_overlay_picture_settings;
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if (cDvbApi::PrimaryDvbApi->OvlO(Value))
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Reply(250, "Overlay capture set");
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else
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Reply(451, "Error setting overlay capture");
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}
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else
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Reply(501, "Could not parse status");
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}
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else
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Reply(501, "Missing overlay capture status");
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}
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void cSVDRP::CmdUPDT(const char *Option)
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{
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if (*Option) {
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@ -712,6 +825,11 @@ void cSVDRP::Execute(char *Cmd)
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else if (CMD("MOVT")) CmdMOVT(s);
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else if (CMD("NEWC")) CmdNEWC(s);
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else if (CMD("NEWT")) CmdNEWT(s);
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else if (CMD("OVLF")) CmdOVLF(s);
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else if (CMD("OVLG")) CmdOVLG(s);
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else if (CMD("OVLC")) CmdOVLC(s);
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else if (CMD("OVLP")) CmdOVLP(s);
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else if (CMD("OVLO")) CmdOVLO(s);
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else if (CMD("UPDT")) CmdUPDT(s);
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else if (CMD("QUIT")
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|| CMD("\x04")) Close();
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9
svdrp.h
9
svdrp.h
@ -4,12 +4,13 @@
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* See the main source file 'vdr.c' for copyright information and
|
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* how to reach the author.
|
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*
|
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* $Id: svdrp.h 1.5 2000/09/17 10:22:49 kls Exp $
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* $Id: svdrp.h 1.6 2000/09/17 13:22:04 kls Exp $
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*/
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#ifndef __SVDRP_H
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#define __SVDRP_H
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#include "dvbapi.h"
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#include "tools.h"
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class cSocket {
|
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@ -29,6 +30,7 @@ class cSVDRP {
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private:
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cSocket socket;
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cFile file;
|
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CRect ovlClipRects[MAXCLIPRECTS];
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void Close(void);
|
||||
bool Send(const char *s, int length = -1);
|
||||
void Reply(int Code, const char *fmt, ...);
|
||||
@ -46,6 +48,11 @@ private:
|
||||
void CmdMOVT(const char *Option);
|
||||
void CmdNEWC(const char *Option);
|
||||
void CmdNEWT(const char *Option);
|
||||
void CmdOVLF(const char *Option);
|
||||
void CmdOVLG(const char *Option);
|
||||
void CmdOVLC(const char *Option);
|
||||
void CmdOVLP(const char *Option);
|
||||
void CmdOVLO(const char *Option);
|
||||
void CmdUPDT(const char *Option);
|
||||
void Execute(char *Cmd);
|
||||
public:
|
||||
|
||||
Loading…
Reference in New Issue
Block a user