void uninit_video_chain(struct MPContext *mpctx)
{
if (mpctx->d_video) {
reset_video_state(mpctx);
video_uninit(mpctx->d_video);
mpctx->d_video = NULL;
mpctx->video_status = STATUS_EOF;
mpctx->sync_audio_to_video = false;
reselect_demux_streams(mpctx);
}
mp_notify(mpctx, MPV_EVENT_VIDEO_RECONFIG, NULL);
}
int directdraw_draw(void *pic, int w, int h)
{
DDSURFACEDESC descriptor;
RECT rct;
HWND hwndp;
#define fourcc(a,b,c,d) (( ((uint32_t)a) | ( ((uint32_t)b) << 8 ) | ( ((uint32_t)c) << 16 ) | ( ((uint32_t)d) << 24 ) ))
int bh = h, bw = w;
//w = default_sw;
//h = default_sh;
vdata.getdata(get_window_video, 0, &hwndp, 0);
if(!hwndp) return 0;
if(video_window_parent != hwndp)
{
video_uninit();
video_init(hwndp);
video_window_parent = hwndp;
}
if(w != d_width || h != d_height)
{
if(size_in_list(w, h))size_is_ok = 1;
else size_is_ok = 0;
if(w && h)
{
d_width = w;
d_height = h;
if(lpDDS_secondary)
IDirectDrawSurface2_Release(lpDDS_secondary);
memset(&descriptor, 0, sizeof(descriptor));
descriptor.dwSize = sizeof(descriptor);
descriptor.dwFlags = DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH;
descriptor.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN;
descriptor.dwWidth = d_width;
descriptor.dwHeight = d_height;
if(FAILED(IDirectDraw2_CreateSurface(lpDD, &descriptor, &lpDDS_secondary, 0))) return 0;
lpDDS_back = lpDDS_secondary;
}
}
if(use_osd_surface)
{
GetClientRect(video_window, &rct);
if(rct.right != window_w || rct.bottom != window_h || osd_created == 0)
{
window_w = rct.right;
window_h = rct.bottom;
if(surface_osd)
IDirectDrawSurface2_Release(surface_osd);
memset( &descriptor, 0, sizeof(descriptor));
descriptor.dwSize = sizeof(descriptor);
descriptor.dwFlags = DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH;
descriptor.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN;
descriptor.dwWidth = window_w;
descriptor.dwHeight = window_h;
if(FAILED(IDirectDraw2_CreateSurface(lpDD, &descriptor, &surface_osd, 0))) return 0;
osd_created = 1;
}
}
IDirectDrawSurface2_Restore(lpDDS);
if(pic)
IDirectDrawSurface2_Restore(lpDDS_secondary);
memset(&descriptor, 0, sizeof(descriptor));
descriptor.dwSize = sizeof(descriptor);
if(pic)
{
HRESULT res;
if(size_is_ok)
{
res = IDirectDrawSurface2_Lock(lpDDS_back, 0, &descriptor, DDLOCK_WAIT | DDLOCK_WRITEONLY, 0);
if(FAILED(res)) return 0;
memcpy(descriptor.lpSurface, pic, w * h * 4);
IDirectDrawSurface2_Unlock(lpDDS_back, descriptor.lpSurface);
}else{
HBITMAP bmp;
HDC hdc, cdc;
bmp = CreateBitmap(w, h, 1, 32, pic);
if(!FAILED(IDirectDrawSurface2_GetDC(lpDDS_back, &hdc)))
{
cdc = CreateCompatibleDC(0);
SelectObject(cdc, bmp);
BitBlt(hdc, 0, 0, w, h, cdc, 0, 0, SRCCOPY);
IDirectDrawSurface2_ReleaseDC(lpDDS_back, hdc);
DeleteDC(cdc);
}
DeleteObject(bmp);
}
IDirectDrawSurface2_Flip(lpDDS, 0, DDFLIP_WAIT);
}
return 1;
}
