Signed-off-by: Zebediah Figura z.figura12@gmail.com --- Thanks to Henri Verbeet.
dlls/quartz/vmr9.c | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-)
diff --git a/dlls/quartz/vmr9.c b/dlls/quartz/vmr9.c index 928e98f6056..58a7e2b1218 100644 --- a/dlls/quartz/vmr9.c +++ b/dlls/quartz/vmr9.c @@ -627,7 +627,10 @@ static HRESULT WINAPI VMR9_GetStaticImage(BaseControlVideo *iface, LONG *size, L IDirect3DSurface9 *rt = NULL, *surface = NULL; D3DLOCKED_RECT locked_rect; IDirect3DDevice9 *device; + unsigned int row_size; BITMAPINFOHEADER bih; + LONG i, size_left; + char *dst; HRESULT hr;
TRACE("filter %p, size %d, image %p.\n", filter, *size, image); @@ -661,7 +664,20 @@ static HRESULT WINAPI VMR9_GetStaticImage(BaseControlVideo *iface, LONG *size, L if (FAILED(hr = IDirect3DSurface9_LockRect(surface, &locked_rect, NULL, D3DLOCK_READONLY))) goto out;
- memcpy(image, &bih, min(*size, sizeof(BITMAPINFOHEADER))); + size_left = *size; + memcpy(image, &bih, min(size_left, sizeof(BITMAPINFOHEADER))); + size_left -= sizeof(BITMAPINFOHEADER); + + dst = (char *)image + sizeof(BITMAPINFOHEADER); + row_size = bih.biWidth * bih.biBitCount / 8; + + for (i = 0; i < bih.biHeight && size_left > 0; ++i) + { + memcpy(dst, (char *)locked_rect.pBits + (i * locked_rect.Pitch), min(row_size, size_left)); + dst += row_size; + size_left -= row_size; + } + if (*size > sizeof(BITMAPINFOHEADER)) memcpy((char *)image + sizeof(BITMAPINFOHEADER), locked_rect.pBits, min(*size - sizeof(BITMAPINFOHEADER), bih.biSizeImage));