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Commit 0423d5e6 authored by Zebediah Figura's avatar Zebediah Figura Committed by Alexandre Julliard
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qcap: Require libv4l2 to perform pixel format translation.

Signed-off-by: 's avatarZebediah Figura <z.figura12@gmail.com> Signed-off-by: 's avatarAlexandre Julliard <julliard@winehq.org>
parent 34ef3c89
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Showing with 20 additions and 145 deletions
dlls/qcap/v4l.c
View file @ 0423d5e6
......@@ -94,8 +94,6 @@ static BOOL video_init(void)
#endif
}
typedef void (* Renderer)(const Capture *, LPBYTE bufferin, const BYTE *stream);
struct _Capture
{
UINT width, height, bitDepth, fps, outputwidth, outputheight;
......@@ -107,36 +105,10 @@ struct _Capture
int fd, mmap;
BOOL iscommitted, stopped;
__u32 pixelformat;
int depth;
int image_size;
unsigned char *image_data;
HANDLE thread;
Renderer renderer;
};
static void renderer_RGB(const Capture *capBox, LPBYTE bufferin, const BYTE *stream);
static void renderer_YUV(const Capture *capBox, LPBYTE bufferin, const BYTE *stream);
static const struct
{
int depth;
__u32 pixelformat;
Renderer renderer;
}
renderlist_V4l[] =
{
{24, V4L2_PIX_FMT_BGR24, renderer_RGB},
{32, V4L2_PIX_FMT_BGR32, renderer_RGB},
{16, V4L2_PIX_FMT_YUYV, renderer_YUV},
{16, V4L2_PIX_FMT_UYVY, renderer_YUV},
{12, V4L2_PIX_FMT_Y41P, renderer_YUV},
{16, V4L2_PIX_FMT_YUV422P, renderer_YUV},
{12, V4L2_PIX_FMT_YUV411P, renderer_YUV},
{12, V4L2_PIX_FMT_YUV420, renderer_YUV},
{10, V4L2_PIX_FMT_YUV410, renderer_YUV},
};
static int xioctl(int fd, int request, void * arg)
......@@ -153,7 +125,7 @@ static int xioctl(int fd, int request, void * arg)
/* Prepare the capture buffers */
static HRESULT V4l_Prepare(Capture *device)
{
device->image_size = device->depth * device->height * device->width / 8;
device->image_size = device->height * device->width * 3;
if (!(device->image_data = heap_alloc(device->image_size)))
return E_OUTOFMEMORY;
return S_OK;
......@@ -347,70 +319,6 @@ HRESULT qcap_driver_set_prop(Capture *device, VideoProcAmpProperty property,
return S_OK;
}
static void renderer_RGB(const Capture *device, BYTE *bufferin, const BYTE *stream)
{
int size = device->height * device->width * device->depth / 8;
int pointer, offset;
switch (device->pixelformat)
{
case V4L2_PIX_FMT_BGR24:
memcpy(bufferin, stream, size);
break;
case V4L2_PIX_FMT_BGR32:
pointer = 0;
offset = 1;
while (pointer + offset <= size)
{
bufferin[pointer] = stream[pointer + offset];
pointer++;
bufferin[pointer] = stream[pointer + offset];
pointer++;
bufferin[pointer] = stream[pointer + offset];
pointer++;
offset++;
}
break;
default:
FIXME("Unhandled pixel format %#x.\n", device->pixelformat);
return;
}
}
static void renderer_YUV(const Capture *device, BYTE *bufferin, const BYTE *stream)
{
enum YUV_Format format;
switch (device->pixelformat)
{
case V4L2_PIX_FMT_YUYV:
format = YUYV;
break;
case V4L2_PIX_FMT_UYVY:
format = UYVY;
break;
case V4L2_PIX_FMT_Y41P:
format = UYYVYY;
break;
case V4L2_PIX_FMT_YUV422P:
format = YUVP_421;
break;
case V4L2_PIX_FMT_YUV411P:
format = YUVP_441;
break;
case V4L2_PIX_FMT_YUV420:
format = YUVP_422;
break;
case V4L2_PIX_FMT_YUV410:
format = YUVP_444;
break;
default:
FIXME("Unhandled pixel format %#x.\n", device->pixelformat);
return;
}
YUV_To_RGB24(format, bufferin, stream, device->width, device->height);
}
static void Resize(const Capture * capBox, LPBYTE output, const BYTE *input)
{
/* the whole image needs to be reversed,
......@@ -522,7 +430,7 @@ static DWORD WINAPI ReadThread(LPVOID lParam)
IMediaSample_GetPointer(pSample, &pTarget);
/* FIXME: Check return values.. */
V4l_GetFrame(capBox, &pInput);
capBox->renderer(capBox, pOutput, pInput);
memcpy(pOutput, pInput, len);
Resize(capBox, pTarget, pOutput);
hr = BaseOutputPinImpl_Deliver((BaseOutputPin *)capBox->pOut, pSample);
TRACE("%p -> Frame %u: %x\n", capBox, ++framecount, hr);
......@@ -659,57 +567,10 @@ HRESULT qcap_driver_stop(Capture *capBox, FILTER_STATE *state)
return S_OK;
}
static int negotiate_format(Capture *device)
{
struct v4l2_format format = {0};
int fd = device->fd;
unsigned int i;
format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
if (xioctl(fd, VIDIOC_G_FMT, &format) == -1)
{
ERR("Failed to get device format: %s\n", strerror(errno));
return -1;
}
for (i = 0; i < ARRAY_SIZE(renderlist_V4l); ++i)
{
if (renderlist_V4l[i].pixelformat == format.fmt.pix.pixelformat)
{
TRACE("Using device-reported format %#x.\n", format.fmt.pix.pixelformat);
device->depth = renderlist_V4l[i].depth;
device->renderer = renderlist_V4l[i].renderer;
device->pixelformat = format.fmt.pix.pixelformat;
device->width = format.fmt.pix.width;
device->height = format.fmt.pix.height;
return 0;
}
}
for (i = 0; i < ARRAY_SIZE(renderlist_V4l); ++i)
{
format.fmt.pix.pixelformat = renderlist_V4l[i].pixelformat;
if (!xioctl(fd, VIDIOC_S_FMT, &format)
&& format.fmt.pix.pixelformat == renderlist_V4l[i].pixelformat)
{
TRACE("Using format %#x.\n", format.fmt.pix.pixelformat);
device->depth = renderlist_V4l[i].depth;
device->renderer = renderlist_V4l[i].renderer;
device->pixelformat = format.fmt.pix.pixelformat;
device->width = format.fmt.pix.width;
device->height = format.fmt.pix.height;
return 0;
}
}
FIXME("Could not negotiate an acceptable format.\n");
return -1;
}
Capture * qcap_driver_init( IPin *pOut, USHORT card )
{
struct v4l2_capability caps = {{0}};
struct v4l2_format format = {0};
Capture *device = NULL;
BOOL have_libv4l2;
char path[20];
......@@ -762,11 +623,25 @@ Capture * qcap_driver_init( IPin *pOut, USHORT card )
goto error;
}
if (negotiate_format(device) == -1)
format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
if (xioctl(fd, VIDIOC_G_FMT, &format) == -1)
{
ERR("Failed to get device format: %s\n", strerror(errno));
goto error;
}
format.fmt.pix.pixelformat = V4L2_PIX_FMT_BGR24;
if (xioctl(fd, VIDIOC_S_FMT, &format) == -1
|| format.fmt.pix.pixelformat != V4L2_PIX_FMT_BGR24)
{
ERR("Failed to set pixel format: %s\n", strerror(errno));
if (!have_libv4l2)
ERR_(winediag)("You may need libv4l2 to use this device.\n");
goto error;
}
device->outputwidth = device->width;
device->outputheight = device->height;
device->outputwidth = device->width = format.fmt.pix.width;
device->outputheight = device->height = format.fmt.pix.height;
device->swresize = FALSE;
device->bitDepth = 24;
device->pOut = pOut;
......
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