2 * DirectShow capture services (QCAP.DLL)
4 * Copyright 2005 Maarten Lankhorst
6 * This file contains the part of the vfw capture interface that
7 * does the actual Video4Linux(1/2) stuff required for capturing
8 * and setting/getting media format..
10 * This library is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU Lesser General Public
12 * License as published by the Free Software Foundation; either
13 * version 2.1 of the License, or (at your option) any later version.
15 * This library is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * Lesser General Public License for more details.
20 * You should have received a copy of the GNU Lesser General Public
21 * License along with this library; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
26 #include "wine/port.h"
28 #define NONAMELESSSTRUCT
29 #define NONAMELESSUNION
41 #include "wine/debug.h"
44 #include "qcap_main.h"
50 #ifdef HAVE_SYS_IOCTL_H
51 #include <sys/ioctl.h>
53 #ifdef HAVE_SYS_MMAN_H
56 #ifdef HAVE_SYS_ERRNO_H
57 #include <sys/errno.h>
59 #ifdef HAVE_SYS_TIME_H
62 #ifdef HAVE_ASM_TYPES_H
63 #include <asm/types.h>
65 #ifdef HAVE_LINUX_VIDEODEV_H
66 #include <linux/videodev.h>
72 WINE_DEFAULT_DEBUG_CHANNEL(qcap_v4l);
74 #ifdef HAVE_LINUX_VIDEODEV_H
76 typedef void (* Renderer)(Capture *, LPBYTE bufferin, LPBYTE stream);
80 UINT width, height, bitDepth, fps, outputwidth, outputheight;
83 CRITICAL_SECTION CritSect;
87 int iscommitted, stopped;
88 struct video_picture pict;
89 int dbrightness, dhue, dcolour, dcontrast;
92 struct video_mmap *grab_buf;
93 struct video_mbuf gb_buffers;
114 static void renderer_RGB(Capture *capBox, LPBYTE bufferin, LPBYTE stream);
115 static void renderer_YUV(Capture *capBox, LPBYTE bufferin, LPBYTE stream);
117 static const struct renderlist renderlist_V4l[] = {
118 { 0, "NULL renderer", NULL },
119 { 8, "Gray scales", NULL }, /* 1, Don't support */
120 { 0, "High 240 cube (BT848)", NULL }, /* 2, Don't support */
121 { 16, "16 bit RGB (565)", NULL }, /* 3, Don't support */
122 { 24, "24 bit RGB values", renderer_RGB }, /* 4, Supported, */
123 { 32, "32 bit RGB values", renderer_RGB }, /* 5, Supported */
124 { 16, "15 bit RGB (555)", NULL }, /* 6, Don't support */
125 { 16, "YUV 422 (Not P)", renderer_YUV }, /* 7, Supported */
126 { 16, "YUYV (Not P)", renderer_YUV }, /* 8, Supported */
127 { 16, "UYVY (Not P)", renderer_YUV }, /* 9, Supported */
128 { 16, "YUV 420 (Not P)", NULL }, /* 10, Not supported, if I had to guess it's YYUYYV */
129 { 12, "YUV 411 (Not P)", renderer_YUV }, /* 11, Supported */
130 { 0, "Raw capturing (BT848)", NULL }, /* 12, Don't support */
131 { 16, "YUV 422 (Planar)", renderer_YUV }, /* 13, Supported */
132 { 12, "YUV 411 (Planar)", renderer_YUV }, /* 14, Supported */
133 { 12, "YUV 420 (Planar)", renderer_YUV }, /* 15, Supported */
134 { 10, "YUV 410 (Planar)", renderer_YUV }, /* 16, Supported */
135 /* FIXME: add YUV420 support */
139 const int fallback_V4l[] = { 4, 5, 7, 8, 9, 13, 15, 14, 16, 11, -1 };
140 /* Fallback: First try raw formats (Should try yuv first perhaps?), then yuv */
142 /* static const Capture defbox; */
144 static int xioctl(int fd, int request, void * arg)
149 r = ioctl (fd, request, arg);
150 } while (-1 == r && EINTR == errno);
155 /* Prepare the capture buffers */
156 static HRESULT V4l_Prepare(Capture *capBox)
158 TRACE("%p: Preparing for %dx%d resolution\n", capBox, capBox->width, capBox->height);
162 if (xioctl(capBox->fd, VIDIOCGMBUF, &capBox->gb_buffers) != -1 &&
163 capBox->gb_buffers.frames)
165 capBox->buffers = capBox->gb_buffers.frames;
166 if (capBox->gb_buffers.frames > 1)
168 TRACE("%p: Using %d/%d buffers\n", capBox,
169 capBox->buffers, capBox->gb_buffers.frames);
171 capBox->pmap = mmap( 0, capBox->gb_buffers.size, PROT_READ|PROT_WRITE,
172 MAP_SHARED, capBox->fd, 0 );
173 if (capBox->pmap != MAP_FAILED)
177 capBox->grab_buf = CoTaskMemAlloc(sizeof(struct video_mmap) * capBox->buffers);
178 if (!capBox->grab_buf)
180 munmap(capBox->pmap, capBox->gb_buffers.size);
181 return E_OUTOFMEMORY;
184 /* Setup mmap capture buffers. */
185 for (i = 0; i < capBox->buffers; i++)
187 capBox->grab_buf[i].format = capBox->pict.palette;
188 capBox->grab_buf[i].frame = i;
189 capBox->grab_buf[i].width = capBox->width;
190 capBox->grab_buf[i].height = capBox->height;
198 capBox->imagesize = renderlist_V4l[capBox->pict.palette].depth *
199 capBox->height * capBox->width / 8;
200 capBox->grab_data = CoTaskMemAlloc(capBox->imagesize);
201 if (!capBox->grab_data)
202 return E_OUTOFMEMORY;
204 TRACE("Using mmap: %d\n", capBox->mmap);
208 static void V4l_Unprepare(Capture *capBox)
212 for (capBox->curframe = 0; capBox->curframe < capBox->buffers; capBox->curframe++)
213 xioctl(capBox->fd, VIDIOCSYNC, &capBox->grab_buf[capBox->curframe]);
214 munmap(capBox->pmap, capBox->gb_buffers.size);
215 CoTaskMemFree(capBox->grab_buf);
218 CoTaskMemFree(capBox->grab_data);
221 HRESULT qcap_driver_destroy(Capture *capBox)
223 TRACE("%p\n", capBox);
225 if( capBox->fd != -1 )
227 DeleteCriticalSection(&capBox->CritSect);
228 CoTaskMemFree(capBox);
232 HRESULT qcap_driver_set_format(Capture *capBox, AM_MEDIA_TYPE * mT)
234 int newheight, newwidth;
235 struct video_window window;
236 VIDEOINFOHEADER *format;
238 TRACE("%p\n", capBox);
240 format = (VIDEOINFOHEADER *) mT->pbFormat;
241 if (format->bmiHeader.biBitCount != 24 ||
242 format->bmiHeader.biCompression != BI_RGB)
244 FIXME("unsupported media type %d %ld\n", format->bmiHeader.biBitCount,
245 format->bmiHeader.biCompression );
246 return VFW_E_INVALIDMEDIATYPE;
249 newwidth = format->bmiHeader.biWidth;
250 newheight = format->bmiHeader.biHeight;
252 TRACE("%p -> (%p) - %d %d\n", capBox, mT, newwidth, newheight);
254 if (capBox->height == newheight && capBox->width == newwidth)
257 if(-1 == xioctl(capBox->fd, VIDIOCGWIN, &window))
259 ERR("ioctl(VIDIOCGWIN) failed (%d)\n", errno);
262 window.width = newwidth;
263 window.height = newheight;
264 if (xioctl(capBox->fd, VIDIOCSWIN, &window) == -1)
266 TRACE("using software resize: %dx%d -> %dx%d\n",
267 window.width, window.height, capBox->width, capBox->height);
268 capBox->swresize = TRUE;
272 capBox->height = window.height;
273 capBox->width = window.width;
274 capBox->swresize = FALSE;
276 capBox->outputwidth = window.width;
277 capBox->outputheight = window.height;
281 HRESULT qcap_driver_get_format(Capture *capBox, AM_MEDIA_TYPE ** mT)
285 mT[0] = CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE));
287 return E_OUTOFMEMORY;
288 vi = CoTaskMemAlloc(sizeof(VIDEOINFOHEADER));
289 mT[0]->cbFormat = sizeof(VIDEOINFOHEADER);
292 CoTaskMemFree(mT[0]);
293 return E_OUTOFMEMORY;
295 memcpy(&mT[0]->majortype, &MEDIATYPE_Video, sizeof(GUID));
296 memcpy(&mT[0]->subtype, &MEDIASUBTYPE_RGB24, sizeof(GUID));
297 memcpy(&mT[0]->formattype, &FORMAT_VideoInfo, sizeof(GUID));
298 mT[0]->bFixedSizeSamples = TRUE;
299 mT[0]->bTemporalCompression = FALSE;
301 mT[0]->lSampleSize = capBox->outputwidth * capBox->outputheight * capBox->bitDepth / 8;
302 TRACE("Output format: %dx%d - %d bits = %lu KB\n", capBox->outputwidth,
303 capBox->outputheight, capBox->bitDepth, mT[0]->lSampleSize/1024);
304 vi->rcSource.left = 0; vi->rcSource.top = 0;
305 vi->rcTarget.left = 0; vi->rcTarget.top = 0;
306 vi->rcSource.right = capBox->width; vi->rcSource.bottom = capBox->height;
307 vi->rcTarget.right = capBox->outputwidth; vi->rcTarget.bottom = capBox->outputheight;
308 vi->dwBitRate = capBox->fps * mT[0]->lSampleSize;
309 vi->dwBitErrorRate = 0;
310 vi->AvgTimePerFrame = (LONGLONG)10000000.0 / (LONGLONG)capBox->fps;
311 vi->bmiHeader.biSize = 40;
312 vi->bmiHeader.biWidth = capBox->outputwidth;
313 vi->bmiHeader.biHeight = capBox->outputheight;
314 vi->bmiHeader.biPlanes = 1;
315 vi->bmiHeader.biBitCount = 24;
316 vi->bmiHeader.biCompression = BI_RGB;
317 vi->bmiHeader.biSizeImage = mT[0]->lSampleSize;
318 vi->bmiHeader.biClrUsed = vi->bmiHeader.biClrImportant = 0;
319 vi->bmiHeader.biXPelsPerMeter = 100;
320 vi->bmiHeader.biYPelsPerMeter = 100;
321 mT[0]->pbFormat = (void *)vi;
322 dump_AM_MEDIA_TYPE(mT[0]);
326 HRESULT qcap_driver_get_prop_range( Capture *capBox, long Property, long *pMin,
327 long *pMax, long *pSteppingDelta, long *pDefault, long *pCapsFlags )
329 TRACE("%p -> %ld %p %p %p %p %p\n", capBox, Property,
330 pMin, pMax, pSteppingDelta, pDefault, pCapsFlags);
334 case VideoProcAmp_Brightness:
335 *pDefault = capBox->dbrightness;
337 case VideoProcAmp_Contrast:
338 *pDefault = capBox->dcontrast;
340 case VideoProcAmp_Hue:
341 *pDefault = capBox->dhue;
343 case VideoProcAmp_Saturation:
344 *pDefault = capBox->dcolour;
347 FIXME("Not implemented %ld\n", Property);
352 *pSteppingDelta = 65536/256;
353 *pCapsFlags = VideoProcAmp_Flags_Manual;
357 HRESULT qcap_driver_get_prop( Capture *capBox, long Property, long *lValue, long *Flags )
359 TRACE("%p -> %ld %p %p\n", capBox, Property, lValue, Flags);
363 case VideoProcAmp_Brightness:
364 *lValue = capBox->pict.brightness;
366 case VideoProcAmp_Contrast:
367 *lValue = capBox->pict.contrast;
369 case VideoProcAmp_Hue:
370 *lValue = capBox->pict.hue;
372 case VideoProcAmp_Saturation:
373 *lValue = capBox->pict.colour;
376 FIXME("Not implemented %ld\n", Property);
379 *Flags = VideoProcAmp_Flags_Manual;
383 HRESULT qcap_driver_set_prop(Capture *capBox, long Property, long lValue, long Flags)
385 TRACE("%p -> %ld %ld %ld\n", capBox, Property, lValue, Flags);
389 case VideoProcAmp_Brightness:
390 capBox->pict.brightness = lValue;
392 case VideoProcAmp_Contrast:
393 capBox->pict.contrast = lValue;
395 case VideoProcAmp_Hue:
396 capBox->pict.hue = lValue;
398 case VideoProcAmp_Saturation:
399 capBox->pict.colour = lValue;
402 FIXME("Not implemented %ld\n", Property);
406 if (xioctl(capBox->fd, VIDIOCSPICT, &capBox->pict) == -1)
408 ERR("ioctl(VIDIOCSPICT) failed (%d)\n",errno);
414 static void renderer_RGB(Capture *capBox, LPBYTE bufferin, LPBYTE stream)
416 int depth = renderlist_V4l[capBox->pict.palette].depth;
417 int size = capBox->height * capBox->width * depth / 8;
423 memcpy(bufferin, stream, size);
428 while (pointer + offset <= size)
430 bufferin[pointer] = stream[pointer + offset];
432 bufferin[pointer] = stream[pointer + offset];
434 bufferin[pointer] = stream[pointer + offset];
440 ERR("Unknown bit depth %d\n", depth);
445 static void renderer_YUV(Capture *capBox, LPBYTE bufferin, LPBYTE stream)
447 enum YUV_Format format;
449 switch (capBox->pict.palette)
451 case 7: /* YUV422 - same as YUYV */
458 case 11: /* YUV411 */
461 case 13: /* YUV422P */
464 case 14: /* YUV411P */
467 case 15: /* YUV420P */
470 case 16: /* YUV410P */
474 ERR("Unknown palette %d\n", capBox->pict.palette);
477 YUV_To_RGB24(format, bufferin, stream, capBox->width, capBox->height);
480 static void Resize(Capture * capBox, LPBYTE output, LPBYTE input)
482 /* the whole image needs to be reversed,
483 because the dibs are messed up in windows */
484 if (!capBox->swresize)
486 int depth = capBox->bitDepth / 8;
487 int inoffset = 0, outoffset = capBox->height * capBox->width * depth;
488 int ow = capBox->width * depth;
489 while (outoffset > 0)
493 for (x = 0; x < ow; x++)
494 output[outoffset + x] = input[inoffset + x];
501 HBITMAP bmp_s, bmp_d;
502 int depth = capBox->bitDepth / 8;
503 int inoffset = 0, outoffset = (capBox->outputheight) * capBox->outputwidth * depth;
504 int ow = capBox->outputwidth * depth;
507 /* FIXME: Improve software resizing: add error checks and optimize */
509 myarray = CoTaskMemAlloc(capBox->outputwidth * capBox->outputheight * depth);
510 dc_s = CreateCompatibleDC(NULL);
511 dc_d = CreateCompatibleDC(NULL);
512 bmp_s = CreateBitmap(capBox->width, capBox->height, 1, capBox->bitDepth, input);
513 bmp_d = CreateBitmap(capBox->outputwidth, capBox->outputheight, 1, capBox->bitDepth, NULL);
514 SelectObject(dc_s, bmp_s);
515 SelectObject(dc_d, bmp_d);
516 StretchBlt(dc_d, 0, 0, capBox->outputwidth, capBox->outputheight,
517 dc_s, 0, 0, capBox->width, capBox->height, SRCCOPY);
518 GetBitmapBits(bmp_d, capBox->outputwidth * capBox->outputheight * depth, myarray);
519 while (outoffset > 0)
524 for (i = 0; i < ow; i++)
525 output[outoffset + i] = myarray[inoffset + i];
528 CoTaskMemFree(myarray);
536 static void V4l_GetFrame(Capture * capBox, unsigned char ** pInput)
540 if (xioctl(capBox->fd, VIDIOCSYNC, &capBox->grab_buf[capBox->curframe]) == -1)
541 WARN("Syncing ioctl failed: %d\n", errno);
543 *pInput = capBox->pmap + capBox->gb_buffers.offsets[capBox->curframe];
548 while ((retval = read(capBox->fd, capBox->grab_data, capBox->imagesize)) == -1)
549 if (errno != EAGAIN) break;
551 WARN("Error occurred while reading from device: %s\n", strerror(errno));
552 *pInput = (unsigned char*) capBox->grab_data;
556 static void V4l_FreeFrame(Capture * capBox)
561 if (xioctl(capBox->fd, VIDIOCMCAPTURE, &capBox->grab_buf[capBox->curframe]) == -1)
562 ERR("Freeing frame for capture failed: %s\n", strerror(errno));
564 if (++capBox->curframe == capBox->buffers)
565 capBox->curframe = 0;
568 static DWORD WINAPI ReadThread(LPVOID lParam)
570 Capture * capBox = (Capture *)lParam;
572 IMediaSample *pSample = NULL;
573 unsigned long framecount = 0;
574 unsigned char *pTarget, *pInput, *pOutput;
576 hr = V4l_Prepare(capBox);
580 pOutput = CoTaskMemAlloc(capBox->width * capBox->height * capBox->bitDepth / 8);
581 capBox->curframe = 0;
583 V4l_FreeFrame(capBox);
584 } while (capBox->curframe != 0);
588 EnterCriticalSection(&capBox->CritSect);
591 hr = OutputPin_GetDeliveryBuffer((OutputPin *)capBox->pOut, &pSample, NULL, NULL, 0);
596 if (!capBox->swresize)
597 len = capBox->height * capBox->width * capBox->bitDepth / 8;
599 len = capBox->outputheight * capBox->outputwidth * capBox->bitDepth / 8;
600 IMediaSample_SetActualDataLength(pSample, len);
602 len = IMediaSample_GetActualDataLength(pSample);
603 TRACE("Data length: %d KB\n", len / 1024);
605 IMediaSample_GetPointer(pSample, &pTarget);
606 /* FIXME: Check return values.. */
607 V4l_GetFrame(capBox, &pInput);
608 capBox->renderer(capBox, pOutput, pInput);
609 Resize(capBox, pTarget, pOutput);
610 hr = OutputPin_SendSample((OutputPin *)capBox->pOut, pSample);
611 TRACE("%p -> Frame %lu: %lx\n", capBox, ++framecount, hr);
612 IMediaSample_Release(pSample);
613 V4l_FreeFrame(capBox);
615 LeaveCriticalSection(&capBox->CritSect);
616 if (FAILED(hr) && hr != VFW_E_NOT_CONNECTED)
618 ERR("Received error: %lx\n", hr);
622 LeaveCriticalSection(&capBox->CritSect);
623 CoTaskMemFree(pOutput);
628 CoTaskMemFree(pOutput);
629 V4l_Unprepare(capBox);
630 LeaveCriticalSection(&capBox->CritSect);
633 capBox->thread = 0; capBox->stopped = 1;
634 FIXME("Stop IFilterGraph\n");
638 HRESULT qcap_driver_run(Capture *capBox, FILTER_STATE *state)
643 TRACE("%p -> (%p)\n", capBox, state);
645 if (*state == State_Running) return S_OK;
647 EnterCriticalSection(&capBox->CritSect);
651 if (*state == State_Stopped)
653 *state = State_Running;
654 if (!capBox->iscommitted++)
656 IMemAllocator * pAlloc = NULL;
657 ALLOCATOR_PROPERTIES ap, actual;
661 if (!capBox->swresize)
662 ap.cbBuffer = capBox->width * capBox->height;
664 ap.cbBuffer = capBox->outputwidth * capBox->outputheight;
665 ap.cbBuffer = (ap.cbBuffer * capBox->bitDepth) / 8;
669 out = (OutputPin *)capBox->pOut;
670 hr = IMemInputPin_GetAllocator(out->pMemInputPin, &pAlloc);
673 hr = IMemAllocator_SetProperties(pAlloc, &ap, &actual);
676 hr = IMemAllocator_Commit(pAlloc);
679 IMemAllocator_Release(pAlloc);
681 TRACE("Committing allocator: %lx\n", hr);
684 thread = CreateThread(NULL, 0, ReadThread, capBox, 0, NULL);
687 capBox->thread = thread;
688 SetThreadPriority(thread, THREAD_PRIORITY_LOWEST);
689 LeaveCriticalSection(&capBox->CritSect);
692 ERR("Creating thread failed.. %lx\n", GetLastError());
693 LeaveCriticalSection(&capBox->CritSect);
697 ResumeThread(capBox->thread);
698 *state = State_Running;
699 LeaveCriticalSection(&capBox->CritSect);
703 HRESULT qcap_driver_pause(Capture *capBox, FILTER_STATE *state)
705 TRACE("%p -> (%p)\n", capBox, state);
707 if (*state == State_Paused)
709 if (*state == State_Stopped)
710 qcap_driver_run(capBox, state);
712 EnterCriticalSection(&capBox->CritSect);
713 *state = State_Paused;
714 SuspendThread(capBox->thread);
715 LeaveCriticalSection(&capBox->CritSect);
720 HRESULT qcap_driver_stop(Capture *capBox, FILTER_STATE *state)
722 TRACE("%p -> (%p)\n", capBox, state);
724 if (*state == State_Stopped)
727 EnterCriticalSection(&capBox->CritSect);
731 if (*state == State_Paused)
732 ResumeThread(capBox->thread);
735 if (capBox->iscommitted)
737 IMemInputPin *pMem = NULL;
738 IMemAllocator * pAlloc = NULL;
739 IPin *pConnect = NULL;
742 capBox->iscommitted = 0;
744 hr = IPin_ConnectedTo(capBox->pOut, &pConnect);
747 hr = IPin_QueryInterface(pConnect, &IID_IMemInputPin, (void **) &pMem);
750 hr = IMemInputPin_GetAllocator(pMem, &pAlloc);
753 hr = IMemAllocator_Decommit(pAlloc);
756 IMemAllocator_Release(pAlloc);
759 IMemInputPin_Release(pMem);
762 IPin_Release(pConnect);
764 if (hr != S_OK && hr != VFW_E_NOT_COMMITTED)
765 WARN("Decommitting allocator: %lx\n", hr);
767 V4l_Unprepare(capBox);
770 *state = State_Stopped;
771 LeaveCriticalSection(&capBox->CritSect);
775 Capture * qcap_driver_init( IPin *pOut, USHORT card )
777 Capture * capBox = NULL;
779 struct video_capability capa;
780 struct video_picture pict;
781 struct video_window window;
785 capBox = CoTaskMemAlloc(sizeof(Capture));
789 /* capBox->vtbl = &defboxVtbl; */
791 InitializeCriticalSection( &capBox->CritSect );
793 sprintf(device, "/dev/video%i", card);
794 TRACE("opening %s\n", device);
795 capBox->fd = open(device, O_RDWR | O_NONBLOCK);
796 if (capBox->fd == -1)
798 WARN("open failed (%d)\n", errno);
802 memset(&capa, 0, sizeof(capa));
804 if (xioctl(capBox->fd, VIDIOCGCAP, &capa) == -1)
806 WARN("ioctl(VIDIOCGCAP) failed (%d)\n", errno);
810 if (!(capa.type & VID_TYPE_CAPTURE))
812 WARN("not a video capture device\n");
816 TRACE("%d inputs on %s\n", capa.channels, capa.name );
818 if (xioctl(capBox->fd, VIDIOCGPICT, &pict) == -1)
820 ERR("ioctl(VIDIOCGPICT) failed (%d)\n", errno );
824 TRACE("depth %d palette %d (%s) hue %d color %d contrast %d\n",
825 pict.depth, pict.palette, renderlist_V4l[pict.palette].name,
826 pict.hue, pict.colour, pict.contrast );
828 capBox->dbrightness = pict.brightness;
829 capBox->dcolour = pict.colour;
830 capBox->dhue = pict.hue;
831 capBox->dcontrast = pict.contrast;
833 if (!renderlist_V4l[pict.palette].renderer)
835 int palet = pict.palette, i;
837 TRACE("No renderer available for %s, falling back to defaults\n",
838 renderlist_V4l[pict.palette].name);
839 capBox->renderer = NULL;
840 for (i = 0; fallback_V4l[i] >=0 ; i++)
842 int n = fallback_V4l[i];
844 if (renderlist_V4l[n].renderer == NULL)
847 pict.depth = renderlist_V4l[n].depth;
849 if (xioctl(capBox->fd, VIDIOCSPICT, &pict) == -1)
851 TRACE("Could not render with %s (%d)\n",
852 renderlist_V4l[n].name, n);
855 TRACE("using renderer %s (%d)\n",
856 renderlist_V4l[n].name, n);
857 capBox->renderer = renderlist_V4l[n].renderer;
861 if (!capBox->renderer)
863 ERR("video format %s isn't available\n",
864 renderlist_V4l[palet].name);
870 TRACE("Using the suggested format\n");
871 capBox->renderer = renderlist_V4l[pict.palette].renderer;
873 memcpy(&capBox->pict, &pict, sizeof(struct video_picture));
875 memset(&window, 0, sizeof(window));
876 if (xioctl(capBox->fd, VIDIOCGWIN, &window) == -1)
878 WARN("VIDIOCGWIN failed (%d)\n", errno);
882 capBox->height = capBox->outputheight = window.height;
883 capBox->width = capBox->outputwidth = window.width;
884 capBox->swresize = FALSE;
885 capBox->bitDepth = 24;
889 capBox->curframe = 0;
890 capBox->iscommitted = 0;
892 TRACE("format: %d bits - %d x %d\n", capBox->bitDepth, capBox->width, capBox->height);
894 return (Capture*) capBox;
898 qcap_driver_destroy( (Capture*) capBox );
905 Capture * qcap_driver_init( IPin *pOut, USHORT card )
908 "The v4l headers were not available at compile time,\n"
909 "so video capture support is not available.\n";
914 #define FAIL_WITH_ERR \
915 ERR("v4l absent: shouldn't be called\n"); \
918 HRESULT qcap_driver_destroy(Capture *capBox)
923 HRESULT qcap_driver_set_format(Capture *capBox, AM_MEDIA_TYPE * mT)
928 HRESULT qcap_driver_get_format(Capture *capBox, AM_MEDIA_TYPE ** mT)
933 HRESULT qcap_driver_get_prop_range( Capture *capBox, long Property, long *pMin,
934 long *pMax, long *pSteppingDelta, long *pDefault, long *pCapsFlags )
939 HRESULT qcap_driver_get_prop(Capture *capBox, long Property, long *lValue, long *Flags)
944 HRESULT qcap_driver_set_prop(Capture *capBox, long Property, long lValue, long Flags)
949 HRESULT qcap_driver_run(Capture *capBox, FILTER_STATE *state)
954 HRESULT qcap_driver_pause(Capture *capBox, FILTER_STATE *state)
959 HRESULT qcap_driver_stop(Capture *capBox, FILTER_STATE *state)
964 #endif /* HAVE_LINUX_VIDEODEV_H */