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libtriple: add cVideo::VideoParamWatchdog()

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This commit is contained in:
Stefan Seyfried
2010-12-25 14:54:37 +01:00
parent f6bf4d3b9b
commit 64db04cebd
2 changed files with 21 additions and 2 deletions
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22
libtriple/video_td.cpp
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@@ -492,8 +492,9 @@ int cVideo::setZoom(int zoom)
memset(&s, 0, sizeof(s));
if (zoom > 100)
{
vidDispSize_t x = (vidDispSize_t)getAspectRatio();
if (x == VID_DISPSIZE_4x3 && croppingMode == VID_DISPMODE_NORM)
/* 1 = 4:3, 3 = 16:9, 4 = 2.21:1, 0 = unknown */
int x = getAspectRatio();
if (x < 3 && croppingMode == VID_DISPMODE_NORM)
{
s.src.hori_size = 720;
s.des.hori_size = 720 * 3/4 * zoom / 100;
@@ -550,6 +551,23 @@ void cVideo::setZoomAspect(int index)
}
#endif
/* this function is regularly called, checks if video parameters
changed and triggers appropriate actions */
void cVideo::VideoParamWatchdog(void)
{
static unsigned int _v_info = (unsigned int) -1;
unsigned int v_info;
if (fd == -1)
return;
fop(ioctl, MPEG_VID_GET_V_INFO_RAW, &v_info);
if (_v_info != v_info)
{
lt_debug("cVideo::VPWdog: params changed. old: %08x new: %08x\n", _v_info, v_info);
setAspectRatio(-1, -1);
}
_v_info = v_info;
}
void cVideo::Pig(int x, int y, int w, int h, int /*osd_w*/, int /*osd_h*/)
{
/* x = y = w = h = -1 -> reset / "hide" PIG */