From: Brendan McGrath <bmcgrath@codeweavers.com> --- dlls/iyuv_32/iyuv.c | 43 +++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 41 insertions(+), 2 deletions(-) diff --git a/dlls/iyuv_32/iyuv.c b/dlls/iyuv_32/iyuv.c index c4899c64652..3c2528fde52 100644 --- a/dlls/iyuv_32/iyuv.c +++ b/dlls/iyuv_32/iyuv.c @@ -45,9 +45,12 @@ WINE_DEFAULT_DEBUG_CHANNEL(iyuv_32); static HINSTANCE IYUV_32_module; +#define FOURCC_I420 mmioFOURCC('I', '4', '2', '0') #define FOURCC_IYUV mmioFOURCC('I', 'Y', 'U', 'V') #define IYUV_MAGIC FOURCC_IYUV +#define compare_fourcc(fcc1, fcc2) (((fcc1) ^ (fcc2)) & ~0x20202020) + static LRESULT IYUV_Open(const ICINFO *icinfo) { FIXME("DRV_OPEN %p\n", icinfo); @@ -57,9 +60,45 @@ static LRESULT IYUV_Open(const ICINFO *icinfo) static LRESULT IYUV_DecompressQuery(const BITMAPINFOHEADER *in, const BITMAPINFOHEADER *out) { - FIXME("ICM_DECOMPRESS_QUERY %p %p\n", in, out); + TRACE("in->planes = %d\n", in->biPlanes); + TRACE("in->bpp = %d\n", in->biBitCount); + TRACE("in->height = %ld\n", in->biHeight); + TRACE("in->width = %ld\n", in->biWidth); + TRACE("in->compr = %#lx\n", in->biCompression); - return ICERR_UNSUPPORTED; + if (compare_fourcc(in->biCompression, FOURCC_I420) && compare_fourcc(in->biCompression, FOURCC_IYUV)) + { + TRACE("can't do %#lx decompression\n", in->biCompression); + return ICERR_BADFORMAT; + } + + if (!in->biHeight || !in->biWidth) + return ICERR_BADFORMAT; + + /* output must be same dimensions as input */ + if (out) + { + TRACE("out->planes = %d\n", out->biPlanes); + TRACE("out->bpp = %d\n", out->biBitCount); + TRACE("out->height = %ld\n", out->biHeight); + TRACE("out->width = %ld\n", out->biWidth); + TRACE("out->compr = %#lx\n", out->biCompression); + + if (out->biCompression == BI_RGB) + { + if (out->biBitCount != 24 && out->biBitCount != 16 && out->biBitCount != 8) + return ICERR_BADFORMAT; + } + else + { + return ICERR_BADFORMAT; + } + + if (in->biWidth != out->biWidth || in->biHeight != out->biHeight) + return ICERR_BADFORMAT; + } + + return ICERR_OK; } static LRESULT IYUV_DecompressGetFormat(BITMAPINFOHEADER *in, BITMAPINFOHEADER *out) -- GitLab https://gitlab.winehq.org/wine/wine/-/merge_requests/10549