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qcap/videocapture: Remove code for resizing.

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Signed-off-by: Jactry Zeng <jzeng@codeweavers.com>
Signed-off-by: Zebediah Figura <z.figura12@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Jactry Zeng 2020-04-28 11:55:18 -05:00 committed by Alexandre Julliard
parent 9931952a86
commit 5df9f7b352
1 changed files with 18 additions and 66 deletions
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84
dlls/qcap/v4l.c
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@ -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;
@ -196,9 +194,6 @@ 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;
}
@ -304,63 +299,26 @@ 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, pitch;
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;
pitch = 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 -= pitch;
for (x = 0; x < pitch; x++)
output[outoffset + x] = input[inoffset + x];
inoffset += pitch;
}
}
@ -394,10 +352,7 @@ 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);
@ -414,7 +369,7 @@ 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);
@ -436,10 +391,7 @@ 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;