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Improved cDvbDevice::GetOsdSize()
This commit is contained in:
Klaus Schmidinger
parent
78d2fd3d0e
commit
e639e3a76a
@ -673,6 +673,7 @@ Oliver Endriss <o.endriss@gmx.de>
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for reporting chirping sound disturbences at editing points in TS recordings
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for reporting broken index generation in TS recordings after a buffer overflow
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for fixing the way the OSD size is determined on full featured DVB cards
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for his input on calculating the Aspect factor in GetOsdSize()
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Reinhard Walter Buchner <rw.buchner@freenet.de>
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for adding some satellites to 'sources.conf'
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@ -1221,6 +1222,8 @@ Reinhard Nissl <rnissl@gmx.de>
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for reporting a call to close(-1) in cUnbufferedFile::Close()
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for reporting a possible problem in handling the length of DiSEqC command sequences
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for fixing cOsdMenu::Display() in case the menu size has changed
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for suggesting to change the type of the Aspect parameter of GetVideoSize()
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to 'double'
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Richard Robson <richard_robson@beeb.net>
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for reporting freezing replay if a timer starts while in Transfer Mode from the
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6
HISTORY
6
HISTORY
@ -6084,7 +6084,11 @@ Video Disk Recorder Revision History
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been introduced (suggested by Rolf Ahrenberg). Plugin authors should
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implement this function in classes derived from cDevice, if they are able
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to replay video. cDevice::GetVideoSize() still exists and should return the
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actual size of the video material that is currently replayed.
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actual size of the video material that is currently replayed. Note that
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because of the many possible aspect ratios for video material, the type
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of the Aspect parameter of GetVideoSize() has been changed to 'double'
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(suggested by Reinhard Nissl). Thanks to Oliver Endriss for his input on
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calculating the Aspect factor in GetOsdSize().
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- Fixed the way the OSD size is determined on full featured DVB cards (thanks
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to Oliver Endriss).
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- Increased MAXOSDHEIGHT to 1200 (suggested by Nicolas Huillard).
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6
device.c
6
device.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: device.c 2.19 2009/05/09 10:02:58 kls Exp $
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* $Id: device.c 2.20 2009/06/01 14:08:45 kls Exp $
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*/
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#include "device.h"
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@ -389,11 +389,11 @@ eVideoSystem cDevice::GetVideoSystem(void)
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return vsPAL;
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}
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void cDevice::GetVideoSize(int &Width, int &Height, eVideoAspect &Aspect)
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void cDevice::GetVideoSize(int &Width, int &Height, double &Aspect)
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{
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Width = 0;
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Height = 0;
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Aspect = va4_3;
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Aspect = 1.0;
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}
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void cDevice::GetOsdSize(int &Width, int &Height, double &Aspect)
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20
device.h
20
device.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: device.h 2.12 2009/05/08 13:39:08 kls Exp $
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* $Id: device.h 2.13 2009/06/01 14:07:55 kls Exp $
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*/
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#ifndef __DEVICE_H
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@ -56,11 +56,6 @@ enum eVideoSystem { vsPAL,
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vsNTSC
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};
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enum eVideoAspect { va4_3,
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va16_9,
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va221_1
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};
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extern const char *VideoAspectString[];
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enum eVideoDisplayFormat { vdfPanAndScan,
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@ -384,17 +379,20 @@ public:
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virtual eVideoSystem GetVideoSystem(void);
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///< Returns the video system of the currently displayed material
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///< (default is PAL).
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virtual void GetVideoSize(int &Width, int &Height, eVideoAspect &Aspect);
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virtual void GetVideoSize(int &Width, int &Height, double &Aspect);
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///< Returns the With, Height and Aspect ratio of the currently
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///< displayed material. The data returned by this function is
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///< only used for informational purposes (if any).
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///< The default implementation returns 0 for Width and Height.
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///< only used for informational purposes (if any). Width and
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///< Height are given in pixel (e.g. 720x576) and Aspect is
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///< e.g. 1.3333x33 for a 4:3 broadcast, or 1.77778 for 16:9.
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///< The default implementation returns 0 for Width and Height
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///< and 1.0 for Aspect.
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virtual void GetOsdSize(int &Width, int &Height, double &Aspect);
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///< Returns the With, Height and Aspect ratio the OSD should use
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///< to best fit the resolution of the output device. If Aspect
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///< is not 1.0, the OSD may take this as a hint to stretch its
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///< graphics in a way that, e.g., a square area will actually
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///< show up as a square on the screen, and not as a rectangle.
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///< graphics in a way that, e.g., a circle will actually
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///< show up as a circle on the screen, and not as an ellipse.
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///< Values greater than 1.0 will stretch the graphics in the
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///< vertical direction. Note that the OSD is not guaranteed to
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///< actually use this hint.
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19
dvbdevice.c
19
dvbdevice.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: dvbdevice.c 2.19 2009/06/01 11:42:06 kls Exp $
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* $Id: dvbdevice.c 2.20 2009/06/01 14:44:54 kls Exp $
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*/
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#include "dvbdevice.h"
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@ -748,14 +748,19 @@ eVideoSystem cDvbDevice::GetVideoSystem(void)
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return VideoSystem;
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}
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void cDvbDevice::GetVideoSize(int &Width, int &Height, eVideoAspect &Aspect)
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void cDvbDevice::GetVideoSize(int &Width, int &Height, double &Aspect)
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{
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if (fd_video >= 0) {
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video_size_t vs;
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if (ioctl(fd_video, VIDEO_GET_SIZE, &vs) == 0) {
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Width = vs.w;
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Height = vs.h;
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Aspect = eVideoAspect(vs.aspect_ratio);
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switch (vs.aspect_ratio) {
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default:
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case VIDEO_FORMAT_4_3: Aspect = 4.0 / 3.0; break;
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case VIDEO_FORMAT_16_9: Aspect = 16.0 / 9.0; break;
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case VIDEO_FORMAT_221_1: Aspect = 2.21; break;
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}
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return;
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}
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else
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@ -774,7 +779,13 @@ void cDvbDevice::GetOsdSize(int &Width, int &Height, double &Aspect)
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Height = 576; // PAL
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else
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Height = 480; // NTSC
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Aspect = 1.0;
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switch (Setup.VideoFormat ? vs.aspect_ratio : VIDEO_FORMAT_4_3) {
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default:
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case VIDEO_FORMAT_4_3: Aspect = 4.0 / 3.0; break;
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case VIDEO_FORMAT_221_1: // FF DVB cards only distinguish between 4:3 and 16:9
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case VIDEO_FORMAT_16_9: Aspect = 16.0 / 9.0; break;
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}
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Aspect /= double(Width) / Height;
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return;
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}
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else
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@ -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: dvbdevice.h 2.6 2009/06/01 11:20:32 kls Exp $
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* $Id: dvbdevice.h 2.7 2009/06/01 14:09:05 kls Exp $
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*/
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#ifndef __DVBDEVICE_H
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@ -108,7 +108,7 @@ public:
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virtual void SetVideoDisplayFormat(eVideoDisplayFormat VideoDisplayFormat);
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virtual void SetVideoFormat(bool VideoFormat16_9);
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virtual eVideoSystem GetVideoSystem(void);
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virtual void GetVideoSize(int &Width, int &Height, eVideoAspect &Aspect);
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virtual void GetVideoSize(int &Width, int &Height, double &Aspect);
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virtual void GetOsdSize(int &Width, int &Height, double &Aspect);
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// Track facilities
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