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//////////////////////////////////////////////////////////////////////////////
/// ///
/// This file is part of the VDR mpv plugin and licensed under AGPLv3 ///
/// ///
/// See the README file for copyright information ///
/// ///
//////////////////////////////////////////////////////////////////////////////
#include <sys/mman.h>
#include "osd.h"
cMpvOsdProvider::cMpvOsdProvider(cMpvPlayer *player)
{
Player = player;
}
cOsd *cMpvOsdProvider::CreateOsd(int Left, int Top, uint Level)
{
return new cMpvOsd(Left, Top, Level, Player);
}
bool cMpvOsdProvider::ProvidesTrueColor()
{
return true;
}
cMpvOsd::cMpvOsd(int Left, int Top, uint Level, cMpvPlayer *player)
:cOsd(Left, Top, Level)
{
Player = player;
int OsdAreaWidth = OsdWidth() + cOsd::Left();
int OsdAreaHeight = OsdHeight() + cOsd::Top();
fdOsd = open ("/tmp/vdr_mpv_osd", O_CREAT | O_RDWR, S_IWUSR | S_IRUSR);
lseek(fdOsd, OsdAreaWidth*OsdAreaHeight*4, SEEK_SET);
write(fdOsd, "", 1);
pOsd = (char*) mmap (NULL, OsdAreaWidth*OsdAreaHeight*4, PROT_WRITE, MAP_SHARED, fdOsd, 0);
SetActive(true);
}
cMpvOsd::~cMpvOsd()
{
dsyslog("[mpv] %s\n", __FUNCTION__);
SetActive(false);
if (cMpvPlayer::PlayerIsRunning())
Player->OsdClose();
munmap(pOsd, sizeof(pOsd));
close(fdOsd);
remove("/tmp/vdr_mpv_osd");
}
void cMpvOsd::SetActive(bool On)
{
if (On == Active())
{
return;
}
cOsd::SetActive(On);
if (!On)
{
if (cMpvPlayer::PlayerIsRunning())
Player->OsdClose();
cOsd::SetActive(false);
}
}
void cMpvOsd::WriteToMpv(int sw, int sh, int x, int y, int w, int h, const uint8_t * argb)
{
if (!cMpvPlayer::PlayerIsRunning())
return;
int sx;
int sy;
int pos;
char cmd[64];
for (sy = 0; sy < h; ++sy) {
for (sx = 0; sx < w; ++sx) {
pos=0;
pos = pos + ((sy+y)*sw*4);
pos = pos + ((sx+x)*4);
pOsd[pos + 0] = argb[(w * sy + sx) * 4 + 0];
pOsd[pos + 1] = argb[(w * sy + sx) * 4 + 1];
pOsd[pos + 2] = argb[(w * sy + sx) * 4 + 2];
pOsd[pos + 3] = argb[(w * sy + sx) * 4 + 3];
}
}
snprintf (cmd, sizeof(cmd), "overlay_add 1 0 0 @%d 0 \"bgra\" %d %d %d\n", fdOsd, sw, sh, sw*4);
Player->SendCommand (cmd);
}
void cMpvOsd::Flush()
{
cPixmapMemory *pm;
if (!cMpvPlayer::PlayerIsRunning())
cOsd::SetActive(false);
if (!Active())
return;
int OsdAreaWidth = Width() + Left();
int OsdAreaHeight = Height()+ Top();
if (IsTrueColor())
{
LOCK_PIXMAPS;
while ((pm = dynamic_cast<cPixmapMemory *>(RenderPixmaps())))
{
int x;
int y;
int w;
int h;
x = Left() + pm->ViewPort().X();
y = Top() + pm->ViewPort().Y();
w = pm->ViewPort().Width();
h = pm->ViewPort().Height();
WriteToMpv(OsdAreaWidth, OsdAreaHeight, x, y, w, h, pm->Data());
DestroyPixmap(pm);
}
}
else
{
cBitmap *bitmap;
int i;
// draw all bitmaps
for (i = 0; (bitmap = GetBitmap(i)); ++i)
{
uint8_t *argb;
int x;
int y;
int w;
int h;
int x1;
int y1;
int x2;
int y2;
if (!bitmap->Dirty(x1, y1, x2, y2))
{
continue; // nothing dirty continue
}
// convert and upload only dirty areas
w = x2 - x1 + 1;
h = y2 - y1 + 1;
if (1) // just for the case it makes trouble
{
if (w > OsdAreaWidth)
{
w = OsdAreaWidth;
x2 = x1 + OsdAreaWidth - 1;
}
if (h > OsdAreaHeight)
{
h = OsdAreaHeight;
y2 = y1 + OsdAreaHeight - 1;
}
}
argb = (uint8_t *) malloc(w * h * sizeof(uint32_t));
for (y = y1; y <= y2; ++y)
{
for (x = x1; x <= x2; ++x)
{
((uint32_t *) argb)[x - x1 + (y - y1) * w] =
bitmap->GetColor(x, y);
}
}
WriteToMpv(OsdAreaWidth, OsdAreaHeight, Left() + bitmap->X0() + x1, Top() + bitmap->Y0() + y1, w, h, argb);
bitmap->Clean();
// FIXME: reuse argb
free(argb);
}
}
}
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