| /* |
| * DirectShow capture services (QCAP.DLL) |
| * |
| * Copyright 2005 Maarten Lankhorst |
| * |
| * This file contains the part of the vfw capture interface that |
| * does the actual Video4Linux(1/2) stuff required for capturing |
| * and setting/getting media format.. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA |
| */ |
| |
| #include "config.h" |
| #include "wine/port.h" |
| |
| #define NONAMELESSSTRUCT |
| #define NONAMELESSUNION |
| #define COBJMACROS |
| |
| #include <stdarg.h> |
| #include "windef.h" |
| #include "winbase.h" |
| #include "wtypes.h" |
| #include "wingdi.h" |
| #include "winuser.h" |
| #include "dshow.h" |
| #include "vfwmsgs.h" |
| #include "amvideo.h" |
| #include "wine/debug.h" |
| |
| #include "capture.h" |
| #include "qcap_main.h" |
| #include "pin.h" |
| |
| #include <stdio.h> |
| #include <fcntl.h> |
| |
| #ifdef HAVE_SYS_IOCTL_H |
| #include <sys/ioctl.h> |
| #endif |
| #ifdef HAVE_SYS_MMAN_H |
| #include <sys/mman.h> |
| #endif |
| #ifdef HAVE_SYS_ERRNO_H |
| #include <sys/errno.h> |
| #endif |
| #ifdef HAVE_SYS_TIME_H |
| #include <sys/time.h> |
| #endif |
| #ifdef HAVE_ASM_TYPES_H |
| #include <asm/types.h> |
| #endif |
| #ifdef HAVE_LINUX_VIDEODEV_H |
| #include <linux/videodev.h> |
| #endif |
| #ifdef HAVE_UNISTD_H |
| #include <unistd.h> |
| #endif |
| |
| WINE_DEFAULT_DEBUG_CHANNEL(qcap_v4l); |
| |
| #ifdef HAVE_LINUX_VIDEODEV_H |
| |
| typedef void (* Renderer)(const Capture *, LPBYTE bufferin, const BYTE *stream); |
| |
| struct _Capture |
| { |
| UINT width, height, bitDepth, fps, outputwidth, outputheight; |
| BOOL swresize; |
| |
| CRITICAL_SECTION CritSect; |
| |
| IPin *pOut; |
| int fd, mmap; |
| int iscommitted, stopped; |
| struct video_picture pict; |
| int dbrightness, dhue, dcolour, dcontrast; |
| |
| /* mmap (V4l1) */ |
| struct video_mmap *grab_buf; |
| struct video_mbuf gb_buffers; |
| unsigned char *pmap; |
| int buffers; |
| |
| /* read (V4l1) */ |
| int imagesize; |
| char * grab_data; |
| |
| int curframe; |
| |
| HANDLE thread; |
| Renderer renderer; |
| }; |
| |
| struct renderlist |
| { |
| int depth; |
| const char* name; |
| 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 renderlist renderlist_V4l[] = { |
| { 0, "NULL renderer", NULL }, |
| { 8, "Gray scales", NULL }, /* 1, Don't support */ |
| { 0, "High 240 cube (BT848)", NULL }, /* 2, Don't support */ |
| { 16, "16 bit RGB (565)", NULL }, /* 3, Don't support */ |
| { 24, "24 bit RGB values", renderer_RGB }, /* 4, Supported, */ |
| { 32, "32 bit RGB values", renderer_RGB }, /* 5, Supported */ |
| { 16, "15 bit RGB (555)", NULL }, /* 6, Don't support */ |
| { 16, "YUV 422 (Not P)", renderer_YUV }, /* 7, Supported */ |
| { 16, "YUYV (Not P)", renderer_YUV }, /* 8, Supported */ |
| { 16, "UYVY (Not P)", renderer_YUV }, /* 9, Supported */ |
| { 16, "YUV 420 (Not P)", NULL }, /* 10, Not supported, if I had to guess it's YYUYYV */ |
| { 12, "YUV 411 (Not P)", renderer_YUV }, /* 11, Supported */ |
| { 0, "Raw capturing (BT848)", NULL }, /* 12, Don't support */ |
| { 16, "YUV 422 (Planar)", renderer_YUV }, /* 13, Supported */ |
| { 12, "YUV 411 (Planar)", renderer_YUV }, /* 14, Supported */ |
| { 12, "YUV 420 (Planar)", renderer_YUV }, /* 15, Supported */ |
| { 10, "YUV 410 (Planar)", renderer_YUV }, /* 16, Supported */ |
| /* FIXME: add YUV420 support */ |
| { 0, NULL, NULL }, |
| }; |
| |
| static const int fallback_V4l[] = { 4, 5, 7, 8, 9, 13, 15, 14, 16, 11, -1 }; |
| /* Fallback: First try raw formats (Should try yuv first perhaps?), then yuv */ |
| |
| /* static const Capture defbox; */ |
| |
| static int xioctl(int fd, int request, void * arg) |
| { |
| int r; |
| |
| do { |
| r = ioctl (fd, request, arg); |
| } while (-1 == r && EINTR == errno); |
| |
| return r; |
| } |
| |
| /* Prepare the capture buffers */ |
| static HRESULT V4l_Prepare(Capture *capBox) |
| { |
| TRACE("%p: Preparing for %dx%d resolution\n", capBox, capBox->width, capBox->height); |
| |
| /* Try mmap */ |
| capBox->mmap = 0; |
| if (xioctl(capBox->fd, VIDIOCGMBUF, &capBox->gb_buffers) != -1 && |
| capBox->gb_buffers.frames) |
| { |
| capBox->buffers = capBox->gb_buffers.frames; |
| if (capBox->gb_buffers.frames > 1) |
| capBox->buffers = 1; |
| TRACE("%p: Using %d/%d buffers\n", capBox, |
| capBox->buffers, capBox->gb_buffers.frames); |
| |
| capBox->pmap = mmap( 0, capBox->gb_buffers.size, PROT_READ|PROT_WRITE, |
| MAP_SHARED, capBox->fd, 0 ); |
| if (capBox->pmap != MAP_FAILED) |
| { |
| int i; |
| |
| capBox->grab_buf = CoTaskMemAlloc(sizeof(struct video_mmap) * capBox->buffers); |
| if (!capBox->grab_buf) |
| { |
| munmap(capBox->pmap, capBox->gb_buffers.size); |
| return E_OUTOFMEMORY; |
| } |
| |
| /* Setup mmap capture buffers. */ |
| for (i = 0; i < capBox->buffers; i++) |
| { |
| capBox->grab_buf[i].format = capBox->pict.palette; |
| capBox->grab_buf[i].frame = i; |
| capBox->grab_buf[i].width = capBox->width; |
| capBox->grab_buf[i].height = capBox->height; |
| } |
| capBox->mmap = 1; |
| } |
| } |
| if (!capBox->mmap) |
| { |
| capBox->buffers = 1; |
| capBox->imagesize = renderlist_V4l[capBox->pict.palette].depth * |
| capBox->height * capBox->width / 8; |
| capBox->grab_data = CoTaskMemAlloc(capBox->imagesize); |
| if (!capBox->grab_data) |
| return E_OUTOFMEMORY; |
| } |
| TRACE("Using mmap: %d\n", capBox->mmap); |
| return S_OK; |
| } |
| |
| static void V4l_Unprepare(Capture *capBox) |
| { |
| if (capBox->mmap) |
| { |
| for (capBox->curframe = 0; capBox->curframe < capBox->buffers; capBox->curframe++) |
| xioctl(capBox->fd, VIDIOCSYNC, &capBox->grab_buf[capBox->curframe]); |
| munmap(capBox->pmap, capBox->gb_buffers.size); |
| CoTaskMemFree(capBox->grab_buf); |
| } |
| else |
| CoTaskMemFree(capBox->grab_data); |
| } |
| |
| HRESULT qcap_driver_destroy(Capture *capBox) |
| { |
| TRACE("%p\n", capBox); |
| |
| if( capBox->fd != -1 ) |
| close(capBox->fd); |
| capBox->CritSect.DebugInfo->Spare[0] = 0; |
| DeleteCriticalSection(&capBox->CritSect); |
| CoTaskMemFree(capBox); |
| return S_OK; |
| } |
| |
| HRESULT qcap_driver_set_format(Capture *capBox, AM_MEDIA_TYPE * mT) |
| { |
| int newheight, newwidth; |
| struct video_window window; |
| VIDEOINFOHEADER *format; |
| |
| TRACE("%p\n", capBox); |
| |
| format = (VIDEOINFOHEADER *) mT->pbFormat; |
| if (format->bmiHeader.biBitCount != 24 || |
| format->bmiHeader.biCompression != BI_RGB) |
| { |
| FIXME("unsupported media type %d %d\n", format->bmiHeader.biBitCount, |
| format->bmiHeader.biCompression ); |
| return VFW_E_INVALIDMEDIATYPE; |
| } |
| |
| newwidth = format->bmiHeader.biWidth; |
| newheight = format->bmiHeader.biHeight; |
| |
| TRACE("%p -> (%p) - %d %d\n", capBox, mT, newwidth, newheight); |
| |
| if (capBox->height == newheight && capBox->width == newwidth) |
| return S_OK; |
| |
| if(-1 == xioctl(capBox->fd, VIDIOCGWIN, &window)) |
| { |
| ERR("ioctl(VIDIOCGWIN) failed (%d)\n", errno); |
| return E_FAIL; |
| } |
| window.width = newwidth; |
| window.height = newheight; |
| if (xioctl(capBox->fd, VIDIOCSWIN, &window) == -1) |
| { |
| TRACE("using software resize: %dx%d -> %dx%d\n", |
| window.width, window.height, capBox->width, capBox->height); |
| capBox->swresize = TRUE; |
| } |
| else |
| { |
| capBox->height = window.height; |
| capBox->width = window.width; |
| capBox->swresize = FALSE; |
| } |
| capBox->outputwidth = window.width; |
| capBox->outputheight = window.height; |
| return S_OK; |
| } |
| |
| HRESULT qcap_driver_get_format(const Capture *capBox, AM_MEDIA_TYPE ** mT) |
| { |
| VIDEOINFOHEADER *vi; |
| |
| mT[0] = CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE)); |
| if (!mT[0]) |
| return E_OUTOFMEMORY; |
| vi = CoTaskMemAlloc(sizeof(VIDEOINFOHEADER)); |
| mT[0]->cbFormat = sizeof(VIDEOINFOHEADER); |
| if (!vi) |
| { |
| CoTaskMemFree(mT[0]); |
| return E_OUTOFMEMORY; |
| } |
| mT[0]->majortype = MEDIATYPE_Video; |
| mT[0]->subtype = MEDIASUBTYPE_RGB24; |
| mT[0]->formattype = FORMAT_VideoInfo; |
| mT[0]->bFixedSizeSamples = TRUE; |
| mT[0]->bTemporalCompression = FALSE; |
| mT[0]->pUnk = NULL; |
| mT[0]->lSampleSize = capBox->outputwidth * capBox->outputheight * capBox->bitDepth / 8; |
| TRACE("Output format: %dx%d - %d bits = %u KB\n", capBox->outputwidth, |
| capBox->outputheight, capBox->bitDepth, mT[0]->lSampleSize/1024); |
| vi->rcSource.left = 0; vi->rcSource.top = 0; |
| vi->rcTarget.left = 0; vi->rcTarget.top = 0; |
| vi->rcSource.right = capBox->width; vi->rcSource.bottom = capBox->height; |
| vi->rcTarget.right = capBox->outputwidth; vi->rcTarget.bottom = capBox->outputheight; |
| vi->dwBitRate = capBox->fps * mT[0]->lSampleSize; |
| vi->dwBitErrorRate = 0; |
| vi->AvgTimePerFrame = (LONGLONG)10000000.0 / (LONGLONG)capBox->fps; |
| vi->bmiHeader.biSize = 40; |
| vi->bmiHeader.biWidth = capBox->outputwidth; |
| vi->bmiHeader.biHeight = capBox->outputheight; |
| vi->bmiHeader.biPlanes = 1; |
| vi->bmiHeader.biBitCount = 24; |
| vi->bmiHeader.biCompression = BI_RGB; |
| vi->bmiHeader.biSizeImage = mT[0]->lSampleSize; |
| vi->bmiHeader.biClrUsed = vi->bmiHeader.biClrImportant = 0; |
| vi->bmiHeader.biXPelsPerMeter = 100; |
| vi->bmiHeader.biYPelsPerMeter = 100; |
| mT[0]->pbFormat = (void *)vi; |
| dump_AM_MEDIA_TYPE(mT[0]); |
| return S_OK; |
| } |
| |
| HRESULT qcap_driver_get_prop_range( Capture *capBox, LONG Property, LONG *pMin, |
| LONG *pMax, LONG *pSteppingDelta, LONG *pDefault, LONG *pCapsFlags ) |
| { |
| TRACE("%p -> %d %p %p %p %p %p\n", capBox, Property, |
| pMin, pMax, pSteppingDelta, pDefault, pCapsFlags); |
| |
| switch (Property) |
| { |
| case VideoProcAmp_Brightness: |
| *pDefault = capBox->dbrightness; |
| break; |
| case VideoProcAmp_Contrast: |
| *pDefault = capBox->dcontrast; |
| break; |
| case VideoProcAmp_Hue: |
| *pDefault = capBox->dhue; |
| break; |
| case VideoProcAmp_Saturation: |
| *pDefault = capBox->dcolour; |
| break; |
| default: |
| FIXME("Not implemented %d\n", Property); |
| return E_NOTIMPL; |
| } |
| *pMin = 0; |
| *pMax = 65535; |
| *pSteppingDelta = 65536/256; |
| *pCapsFlags = VideoProcAmp_Flags_Manual; |
| return S_OK; |
| } |
| |
| HRESULT qcap_driver_get_prop( Capture *capBox, LONG Property, LONG *lValue, LONG *Flags ) |
| { |
| TRACE("%p -> %d %p %p\n", capBox, Property, lValue, Flags); |
| |
| switch (Property) |
| { |
| case VideoProcAmp_Brightness: |
| *lValue = capBox->pict.brightness; |
| break; |
| case VideoProcAmp_Contrast: |
| *lValue = capBox->pict.contrast; |
| break; |
| case VideoProcAmp_Hue: |
| *lValue = capBox->pict.hue; |
| break; |
| case VideoProcAmp_Saturation: |
| *lValue = capBox->pict.colour; |
| break; |
| default: |
| FIXME("Not implemented %d\n", Property); |
| return E_NOTIMPL; |
| } |
| *Flags = VideoProcAmp_Flags_Manual; |
| return S_OK; |
| } |
| |
| HRESULT qcap_driver_set_prop(Capture *capBox, long Property, long lValue, long Flags) |
| { |
| TRACE("%p -> %ld %ld %ld\n", capBox, Property, lValue, Flags); |
| |
| switch (Property) |
| { |
| case VideoProcAmp_Brightness: |
| capBox->pict.brightness = lValue; |
| break; |
| case VideoProcAmp_Contrast: |
| capBox->pict.contrast = lValue; |
| break; |
| case VideoProcAmp_Hue: |
| capBox->pict.hue = lValue; |
| break; |
| case VideoProcAmp_Saturation: |
| capBox->pict.colour = lValue; |
| break; |
| default: |
| FIXME("Not implemented %ld\n", Property); |
| return E_NOTIMPL; |
| } |
| |
| if (xioctl(capBox->fd, VIDIOCSPICT, &capBox->pict) == -1) |
| { |
| ERR("ioctl(VIDIOCSPICT) failed (%d)\n",errno); |
| return E_FAIL; |
| } |
| return S_OK; |
| } |
| |
| static void renderer_RGB(const Capture *capBox, LPBYTE bufferin, const BYTE *stream) |
| { |
| int depth = renderlist_V4l[capBox->pict.palette].depth; |
| int size = capBox->height * capBox->width * depth / 8; |
| int pointer, offset; |
| |
| switch (depth) |
| { |
| case 24: |
| memcpy(bufferin, stream, size); |
| break; |
| case 32: |
| 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: |
| ERR("Unknown bit depth %d\n", depth); |
| return; |
| } |
| } |
| |
| static void renderer_YUV(const Capture *capBox, LPBYTE bufferin, const BYTE *stream) |
| { |
| enum YUV_Format format; |
| |
| switch (capBox->pict.palette) |
| { |
| case 7: /* YUV422 - same as YUYV */ |
| case 8: /* YUYV */ |
| format = YUYV; |
| break; |
| case 9: /* UYVY */ |
| format = UYVY; |
| break; |
| case 11: /* YUV411 */ |
| format = UYYVYY; |
| break; |
| case 13: /* YUV422P */ |
| format = YUVP_421; |
| break; |
| case 14: /* YUV411P */ |
| format = YUVP_441; |
| break; |
| case 15: /* YUV420P */ |
| format = YUVP_422; |
| break; |
| case 16: /* YUV410P */ |
| format = YUVP_444; |
| break; |
| default: |
| ERR("Unknown palette %d\n", capBox->pict.palette); |
| return; |
| } |
| YUV_To_RGB24(format, bufferin, stream, capBox->width, capBox->height); |
| } |
| |
| static void Resize(const Capture * capBox, LPBYTE output, const BYTE *input) |
| { |
| /* the whole image needs to be reversed, |
| because the dibs are messed up in windows */ |
| if (!capBox->swresize) |
| { |
| int depth = capBox->bitDepth / 8; |
| int inoffset = 0, outoffset = capBox->height * capBox->width * depth; |
| int ow = capBox->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 depth = capBox->bitDepth / 8; |
| 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(capBox->width, capBox->height, 1, capBox->bitDepth, input); |
| bmp_d = CreateBitmap(capBox->outputwidth, capBox->outputheight, 1, capBox->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, capBox->width, capBox->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); |
| } |
| } |
| |
| static void V4l_GetFrame(Capture * capBox, unsigned char ** pInput) |
| { |
| if (capBox->pmap) |
| { |
| if (xioctl(capBox->fd, VIDIOCSYNC, &capBox->grab_buf[capBox->curframe]) == -1) |
| WARN("Syncing ioctl failed: %d\n", errno); |
| |
| *pInput = capBox->pmap + capBox->gb_buffers.offsets[capBox->curframe]; |
| } |
| else |
| { |
| int retval; |
| while ((retval = read(capBox->fd, capBox->grab_data, capBox->imagesize)) == -1) |
| if (errno != EAGAIN) break; |
| if (retval == -1) |
| WARN("Error occurred while reading from device: %s\n", strerror(errno)); |
| *pInput = (unsigned char*) capBox->grab_data; |
| } |
| } |
| |
| static void V4l_FreeFrame(Capture * capBox) |
| { |
| TRACE("\n"); |
| if (capBox->mmap) |
| { |
| if (xioctl(capBox->fd, VIDIOCMCAPTURE, &capBox->grab_buf[capBox->curframe]) == -1) |
| ERR("Freeing frame for capture failed: %s\n", strerror(errno)); |
| } |
| if (++capBox->curframe == capBox->buffers) |
| capBox->curframe = 0; |
| } |
| |
| static DWORD WINAPI ReadThread(LPVOID lParam) |
| { |
| Capture * capBox = lParam; |
| HRESULT hr; |
| IMediaSample *pSample = NULL; |
| unsigned long framecount = 0; |
| unsigned char *pTarget, *pInput, *pOutput; |
| |
| hr = V4l_Prepare(capBox); |
| if (FAILED(hr)) |
| goto fail; |
| |
| pOutput = CoTaskMemAlloc(capBox->width * capBox->height * capBox->bitDepth / 8); |
| capBox->curframe = 0; |
| do { |
| V4l_FreeFrame(capBox); |
| } while (capBox->curframe != 0); |
| |
| while (1) |
| { |
| EnterCriticalSection(&capBox->CritSect); |
| if (capBox->stopped) |
| break; |
| hr = OutputPin_GetDeliveryBuffer((OutputPin *)capBox->pOut, &pSample, NULL, NULL, 0); |
| if (SUCCEEDED(hr)) |
| { |
| int len; |
| |
| if (!capBox->swresize) |
| len = capBox->height * capBox->width * capBox->bitDepth / 8; |
| else |
| len = capBox->outputheight * capBox->outputwidth * capBox->bitDepth / 8; |
| IMediaSample_SetActualDataLength(pSample, len); |
| |
| len = IMediaSample_GetActualDataLength(pSample); |
| TRACE("Data length: %d KB\n", len / 1024); |
| |
| IMediaSample_GetPointer(pSample, &pTarget); |
| /* FIXME: Check return values.. */ |
| V4l_GetFrame(capBox, &pInput); |
| capBox->renderer(capBox, pOutput, pInput); |
| Resize(capBox, pTarget, pOutput); |
| hr = OutputPin_SendSample((OutputPin *)capBox->pOut, pSample); |
| TRACE("%p -> Frame %lu: %x\n", capBox, ++framecount, hr); |
| IMediaSample_Release(pSample); |
| V4l_FreeFrame(capBox); |
| } |
| LeaveCriticalSection(&capBox->CritSect); |
| if (FAILED(hr) && hr != VFW_E_NOT_CONNECTED) |
| { |
| ERR("Received error: %x\n", hr); |
| goto cfail; |
| } |
| } |
| LeaveCriticalSection(&capBox->CritSect); |
| CoTaskMemFree(pOutput); |
| |
| return 0; |
| |
| cfail: |
| CoTaskMemFree(pOutput); |
| V4l_Unprepare(capBox); |
| LeaveCriticalSection(&capBox->CritSect); |
| |
| fail: |
| capBox->thread = 0; capBox->stopped = 1; |
| FIXME("Stop IFilterGraph\n"); |
| return 0; |
| } |
| |
| HRESULT qcap_driver_run(Capture *capBox, FILTER_STATE *state) |
| { |
| HANDLE thread; |
| HRESULT hr; |
| |
| TRACE("%p -> (%p)\n", capBox, state); |
| |
| if (*state == State_Running) return S_OK; |
| |
| EnterCriticalSection(&capBox->CritSect); |
| |
| capBox->stopped = 0; |
| |
| if (*state == State_Stopped) |
| { |
| *state = State_Running; |
| if (!capBox->iscommitted++) |
| { |
| IMemAllocator * pAlloc = NULL; |
| ALLOCATOR_PROPERTIES ap, actual; |
| OutputPin *out; |
| |
| ap.cBuffers = 3; |
| if (!capBox->swresize) |
| ap.cbBuffer = capBox->width * capBox->height; |
| else |
| ap.cbBuffer = capBox->outputwidth * capBox->outputheight; |
| ap.cbBuffer = (ap.cbBuffer * capBox->bitDepth) / 8; |
| ap.cbAlign = 1; |
| ap.cbPrefix = 0; |
| |
| out = (OutputPin *)capBox->pOut; |
| hr = IMemInputPin_GetAllocator(out->pMemInputPin, &pAlloc); |
| |
| if (SUCCEEDED(hr)) |
| hr = IMemAllocator_SetProperties(pAlloc, &ap, &actual); |
| |
| if (SUCCEEDED(hr)) |
| hr = IMemAllocator_Commit(pAlloc); |
| |
| if (pAlloc) |
| IMemAllocator_Release(pAlloc); |
| |
| TRACE("Committing allocator: %x\n", hr); |
| } |
| |
| thread = CreateThread(NULL, 0, ReadThread, capBox, 0, NULL); |
| if (thread) |
| { |
| capBox->thread = thread; |
| SetThreadPriority(thread, THREAD_PRIORITY_LOWEST); |
| LeaveCriticalSection(&capBox->CritSect); |
| return S_OK; |
| } |
| ERR("Creating thread failed.. %u\n", GetLastError()); |
| LeaveCriticalSection(&capBox->CritSect); |
| return E_FAIL; |
| } |
| |
| ResumeThread(capBox->thread); |
| *state = State_Running; |
| LeaveCriticalSection(&capBox->CritSect); |
| return S_OK; |
| } |
| |
| HRESULT qcap_driver_pause(Capture *capBox, FILTER_STATE *state) |
| { |
| TRACE("%p -> (%p)\n", capBox, state); |
| |
| if (*state == State_Paused) |
| return S_OK; |
| if (*state == State_Stopped) |
| qcap_driver_run(capBox, state); |
| |
| EnterCriticalSection(&capBox->CritSect); |
| *state = State_Paused; |
| SuspendThread(capBox->thread); |
| LeaveCriticalSection(&capBox->CritSect); |
| |
| return S_OK; |
| } |
| |
| HRESULT qcap_driver_stop(Capture *capBox, FILTER_STATE *state) |
| { |
| TRACE("%p -> (%p)\n", capBox, state); |
| |
| if (*state == State_Stopped) |
| return S_OK; |
| |
| EnterCriticalSection(&capBox->CritSect); |
| |
| if (capBox->thread) |
| { |
| if (*state == State_Paused) |
| ResumeThread(capBox->thread); |
| capBox->stopped = 1; |
| capBox->thread = 0; |
| if (capBox->iscommitted) |
| { |
| IMemInputPin *pMem = NULL; |
| IMemAllocator * pAlloc = NULL; |
| IPin *pConnect = NULL; |
| HRESULT hr; |
| |
| capBox->iscommitted = 0; |
| |
| hr = IPin_ConnectedTo(capBox->pOut, &pConnect); |
| |
| if (SUCCEEDED(hr)) |
| hr = IPin_QueryInterface(pConnect, &IID_IMemInputPin, (void **) &pMem); |
| |
| if (SUCCEEDED(hr)) |
| hr = IMemInputPin_GetAllocator(pMem, &pAlloc); |
| |
| if (SUCCEEDED(hr)) |
| hr = IMemAllocator_Decommit(pAlloc); |
| |
| if (pAlloc) |
| IMemAllocator_Release(pAlloc); |
| |
| if (pMem) |
| IMemInputPin_Release(pMem); |
| |
| if (pConnect) |
| IPin_Release(pConnect); |
| |
| if (hr != S_OK && hr != VFW_E_NOT_COMMITTED) |
| WARN("Decommitting allocator: %x\n", hr); |
| } |
| V4l_Unprepare(capBox); |
| } |
| |
| *state = State_Stopped; |
| LeaveCriticalSection(&capBox->CritSect); |
| return S_OK; |
| } |
| |
| Capture * qcap_driver_init( IPin *pOut, USHORT card ) |
| { |
| Capture * capBox = NULL; |
| char device[20]; |
| struct video_capability capa; |
| struct video_picture pict; |
| struct video_window window; |
| |
| YUV_Init(); |
| |
| capBox = CoTaskMemAlloc(sizeof(Capture)); |
| if (!capBox) |
| goto error; |
| |
| /* capBox->vtbl = &defboxVtbl; */ |
| |
| InitializeCriticalSection( &capBox->CritSect ); |
| capBox->CritSect.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": Capture.CritSect"); |
| |
| sprintf(device, "/dev/video%i", card); |
| TRACE("opening %s\n", device); |
| capBox->fd = open(device, O_RDWR | O_NONBLOCK); |
| if (capBox->fd == -1) |
| { |
| WARN("open failed (%d)\n", errno); |
| goto error; |
| } |
| |
| memset(&capa, 0, sizeof(capa)); |
| |
| if (xioctl(capBox->fd, VIDIOCGCAP, &capa) == -1) |
| { |
| WARN("ioctl(VIDIOCGCAP) failed (%d)\n", errno); |
| goto error; |
| } |
| |
| if (!(capa.type & VID_TYPE_CAPTURE)) |
| { |
| WARN("not a video capture device\n"); |
| goto error; |
| } |
| |
| TRACE("%d inputs on %s\n", capa.channels, capa.name ); |
| |
| if (xioctl(capBox->fd, VIDIOCGPICT, &pict) == -1) |
| { |
| ERR("ioctl(VIDIOCGPICT) failed (%d)\n", errno ); |
| goto error; |
| } |
| |
| TRACE("depth %d palette %d (%s) hue %d color %d contrast %d\n", |
| pict.depth, pict.palette, renderlist_V4l[pict.palette].name, |
| pict.hue, pict.colour, pict.contrast ); |
| |
| capBox->dbrightness = pict.brightness; |
| capBox->dcolour = pict.colour; |
| capBox->dhue = pict.hue; |
| capBox->dcontrast = pict.contrast; |
| |
| if (!renderlist_V4l[pict.palette].renderer) |
| { |
| int palet = pict.palette, i; |
| |
| TRACE("No renderer available for %s, falling back to defaults\n", |
| renderlist_V4l[pict.palette].name); |
| capBox->renderer = NULL; |
| for (i = 0; fallback_V4l[i] >=0 ; i++) |
| { |
| int n = fallback_V4l[i]; |
| |
| if (renderlist_V4l[n].renderer == NULL) |
| continue; |
| |
| pict.depth = renderlist_V4l[n].depth; |
| pict.palette = n; |
| if (xioctl(capBox->fd, VIDIOCSPICT, &pict) == -1) |
| { |
| TRACE("Could not render with %s (%d)\n", |
| renderlist_V4l[n].name, n); |
| continue; |
| } |
| TRACE("using renderer %s (%d)\n", |
| renderlist_V4l[n].name, n); |
| capBox->renderer = renderlist_V4l[n].renderer; |
| break; |
| } |
| |
| if (!capBox->renderer) |
| { |
| ERR("video format %s isn't available\n", |
| renderlist_V4l[palet].name); |
| goto error; |
| } |
| } |
| else |
| { |
| TRACE("Using the suggested format\n"); |
| capBox->renderer = renderlist_V4l[pict.palette].renderer; |
| } |
| memcpy(&capBox->pict, &pict, sizeof(struct video_picture)); |
| |
| memset(&window, 0, sizeof(window)); |
| if (xioctl(capBox->fd, VIDIOCGWIN, &window) == -1) |
| { |
| WARN("VIDIOCGWIN failed (%d)\n", errno); |
| goto error; |
| } |
| |
| capBox->height = capBox->outputheight = window.height; |
| capBox->width = capBox->outputwidth = window.width; |
| capBox->swresize = FALSE; |
| capBox->bitDepth = 24; |
| capBox->pOut = pOut; |
| capBox->fps = 3; |
| capBox->stopped = 0; |
| capBox->curframe = 0; |
| capBox->iscommitted = 0; |
| |
| TRACE("format: %d bits - %d x %d\n", capBox->bitDepth, capBox->width, capBox->height); |
| |
| return capBox; |
| |
| error: |
| if (capBox) |
| qcap_driver_destroy( capBox ); |
| |
| return NULL; |
| } |
| |
| #else |
| |
| Capture * qcap_driver_init( IPin *pOut, USHORT card ) |
| { |
| const char msg[] = |
| "The v4l headers were not available at compile time,\n" |
| "so video capture support is not available.\n"; |
| MESSAGE(msg); |
| return NULL; |
| } |
| |
| #define FAIL_WITH_ERR \ |
| ERR("v4l absent: shouldn't be called\n"); \ |
| return E_NOTIMPL |
| |
| HRESULT qcap_driver_destroy(Capture *capBox) |
| { |
| FAIL_WITH_ERR; |
| } |
| |
| HRESULT qcap_driver_set_format(Capture *capBox, AM_MEDIA_TYPE * mT) |
| { |
| FAIL_WITH_ERR; |
| } |
| |
| HRESULT qcap_driver_get_format(const Capture *capBox, AM_MEDIA_TYPE ** mT) |
| { |
| FAIL_WITH_ERR; |
| } |
| |
| HRESULT qcap_driver_get_prop_range( Capture *capBox, LONG Property, LONG *pMin, |
| LONG *pMax, LONG *pSteppingDelta, LONG *pDefault, LONG *pCapsFlags ) |
| { |
| FAIL_WITH_ERR; |
| } |
| |
| HRESULT qcap_driver_get_prop(Capture *capBox, LONG Property, LONG *lValue, LONG *Flags) |
| { |
| FAIL_WITH_ERR; |
| } |
| |
| HRESULT qcap_driver_set_prop(Capture *capBox, long Property, long lValue, long Flags) |
| { |
| FAIL_WITH_ERR; |
| } |
| |
| HRESULT qcap_driver_run(Capture *capBox, FILTER_STATE *state) |
| { |
| FAIL_WITH_ERR; |
| } |
| |
| HRESULT qcap_driver_pause(Capture *capBox, FILTER_STATE *state) |
| { |
| FAIL_WITH_ERR; |
| } |
| |
| HRESULT qcap_driver_stop(Capture *capBox, FILTER_STATE *state) |
| { |
| FAIL_WITH_ERR; |
| } |
| |
| #endif /* HAVE_LINUX_VIDEODEV_H */ |
