Signed-off-by: Jactry Zeng jzeng@codeweavers.com --- dlls/qcap/v4l.c | 84 +++++++++++-------------------------------------- 1 file changed, 18 insertions(+), 66 deletions(-)
diff --git a/dlls/qcap/v4l.c b/dlls/qcap/v4l.c index 42637d3af8..b065478d3a 100644 --- a/dlls/qcap/v4l.c +++ b/dlls/qcap/v4l.c @@ -103,11 +103,9 @@ struct caps
struct _Capture { - UINT outputwidth, outputheight; const struct caps *current_caps; struct caps *caps; LONG caps_count; - BOOL swresize;
struct strmbase_source *pin; int fd, mmap; @@ -199,9 +197,6 @@ static BOOL set_caps(Capture *device, const struct caps *caps) }
device->current_caps = caps; - device->outputwidth = width; - device->outputheight = height; - device->swresize = FALSE;
return TRUE; } @@ -307,63 +302,26 @@ HRESULT qcap_driver_set_prop(Capture *device, VideoProcAmpProperty property, return S_OK; }
-static void Resize(const Capture * capBox, LPBYTE output, const BYTE *input) +static void reverse_image(const Capture *device, LPBYTE output, const BYTE *input) { - UINT width, height, bitdepth, depth; + int inoffset, outoffset, ow; + UINT width, height, depth;
- width = capBox->current_caps->video_info.bmiHeader.biWidth; - height = capBox->current_caps->video_info.bmiHeader.biHeight; - bitdepth = capBox->current_caps->video_info.bmiHeader.biBitCount; - depth = bitdepth / 8; + width = device->current_caps->video_info.bmiHeader.biWidth; + height = device->current_caps->video_info.bmiHeader.biHeight; + depth = device->current_caps->video_info.bmiHeader.biBitCount / 8; /* the whole image needs to be reversed, because the dibs are messed up in windows */ - if (!capBox->swresize) + outoffset = width * height * depth; + ow = width * depth; + inoffset = 0; + while (outoffset > 0) { - int inoffset = 0, outoffset = width * height * depth; - int ow = width * depth; - while (outoffset > 0) - { - int x; - outoffset -= ow; - for (x = 0; x < ow; x++) - output[outoffset + x] = input[inoffset + x]; - inoffset += ow; - } - } - else - { - HDC dc_s, dc_d; - HBITMAP bmp_s, bmp_d; - int inoffset = 0, outoffset = (capBox->outputheight) * capBox->outputwidth * depth; - int ow = capBox->outputwidth * depth; - LPBYTE myarray; - - /* FIXME: Improve software resizing: add error checks and optimize */ - - myarray = CoTaskMemAlloc(capBox->outputwidth * capBox->outputheight * depth); - dc_s = CreateCompatibleDC(NULL); - dc_d = CreateCompatibleDC(NULL); - bmp_s = CreateBitmap(width, height, 1, bitdepth, input); - bmp_d = CreateBitmap(capBox->outputwidth, capBox->outputheight, 1, bitdepth, NULL); - SelectObject(dc_s, bmp_s); - SelectObject(dc_d, bmp_d); - StretchBlt(dc_d, 0, 0, capBox->outputwidth, capBox->outputheight, - dc_s, 0, 0, width, height, SRCCOPY); - GetBitmapBits(bmp_d, capBox->outputwidth * capBox->outputheight * depth, myarray); - while (outoffset > 0) - { - int i; - - outoffset -= ow; - for (i = 0; i < ow; i++) - output[outoffset + i] = myarray[inoffset + i]; - inoffset += ow; - } - CoTaskMemFree(myarray); - DeleteObject(dc_s); - DeleteObject(dc_d); - DeleteObject(bmp_s); - DeleteObject(bmp_d); + int x; + outoffset -= ow; + for (x = 0; x < ow; x++) + output[outoffset + x] = input[inoffset + x]; + inoffset += ow; } }
@@ -397,10 +355,7 @@ static DWORD WINAPI ReadThread(LPVOID lParam) { int len;
- if (!capBox->swresize) - len = width * height * depth; - else - len = capBox->outputheight * capBox->outputwidth * depth; + len = width * height * depth; IMediaSample_SetActualDataLength(pSample, len);
len = IMediaSample_GetActualDataLength(pSample); @@ -417,7 +372,7 @@ static DWORD WINAPI ReadThread(LPVOID lParam) } }
- Resize(capBox, pTarget, image_data); + reverse_image(capBox, pTarget, image_data); hr = IMemInputPin_Receive(capBox->pin->pMemInputPin, pSample); TRACE("%p -> Frame %u: %x\n", capBox, ++framecount, hr); IMediaSample_Release(pSample); @@ -439,10 +394,7 @@ void qcap_driver_init_stream(Capture *device) HRESULT hr;
req_props.cBuffers = 3; - if (!device->swresize) - req_props.cbBuffer = device->current_caps->video_info.bmiHeader.biWidth * device->current_caps->video_info.bmiHeader.biHeight; - else - req_props.cbBuffer = device->outputwidth * device->outputheight; + req_props.cbBuffer = device->current_caps->video_info.bmiHeader.biWidth * device->current_caps->video_info.bmiHeader.biHeight; req_props.cbBuffer = (req_props.cbBuffer * device->current_caps->video_info.bmiHeader.biBitCount) / 8; req_props.cbAlign = 1; req_props.cbPrefix = 0;
-
Jactry Zeng