diff --git a/src/v4l.c b/src/v4l.c --- a/src/v4l.c +++ b/src/v4l.c @@ -1,6 +1,9 @@ /* - * video4linux Xv Driver + * video4linux Xv Driver * based on Michael Schimek's permedia 2 driver. + * + * Copyright (c) 2011 Mauro Carvalho Chehab for: + * - Major rewrite, as driver got ported to V4L2 API */ #ifdef HAVE_CONFIG_H @@ -9,12 +12,16 @@ #include #include +#include + #include #include #include #include +#include +#include -#include "videodev.h" +#include "videodev2.h" #include "xf86.h" #include "xf86_OSproc.h" #include "xf86Pci.h" @@ -25,29 +32,32 @@ #include "regionstr.h" #include "dgaproc.h" #include "xf86str.h" +#include "fourcc.h" -#include /* _IORW(xxx) #defines are here */ +#include /* _IORW(xxx) #defines are here */ -#if 0 +#if 1 # define DEBUG(x) (x) #else # define DEBUG(x) #endif +/***************************************************************************/ + static void V4LIdentify(int flags); static Bool V4LProbe(DriverPtr drv, int flags); static const OptionInfoRec * V4LAvailableOptions(int chipid, int busid); _X_EXPORT DriverRec V4L = { - 40000, - "v4l", - V4LIdentify, /* Identify*/ - V4LProbe, /* Probe */ - V4LAvailableOptions, - NULL, - 0 -}; - + .driverVersion = 50000, + .driverName = "v4l", + .Identify = V4LIdentify, + .Probe = V4LProbe, + .AvailableOptions = V4LAvailableOptions, + .module = NULL, + .refCount = 0, + .driverFunc = NULL, /* FIXME: Need to implement for new probing mode */ +}; #ifdef XFree86LOADER @@ -55,16 +65,16 @@ static MODULESETUPPROTO(v4lSetup); static XF86ModuleVersionInfo v4lVersRec = { - "v4l", - MODULEVENDORSTRING, - MODINFOSTRING1, - MODINFOSTRING2, - XORG_VERSION_CURRENT, - 0, 1, 1, - ABI_CLASS_VIDEODRV, - ABI_VIDEODRV_VERSION, - MOD_CLASS_NONE, - {0,0,0,0} + "v4l", + MODULEVENDORSTRING, + MODINFOSTRING1, + MODINFOSTRING2, + XORG_VERSION_CURRENT, + 0, 1, 1, + ABI_CLASS_VIDEODRV, + ABI_VIDEODRV_VERSION, + MOD_CLASS_NONE, + {0,0,0,0} }; _X_EXPORT XF86ModuleData v4lModuleData = { &v4lVersRec, v4lSetup, NULL }; @@ -72,32 +82,32 @@ _X_EXPORT XF86ModuleData v4lModuleData = static pointer v4lSetup(pointer module, pointer opts, int *errmaj, int *errmin) { - const char *osname; - static Bool setupDone = FALSE; + const char *osname; + static Bool setupDone = FALSE; - if (setupDone) { - if (errmaj) - *errmaj = LDR_ONCEONLY; - return NULL; - } - - setupDone = TRUE; + if (setupDone) { + if (errmaj) + *errmaj = LDR_ONCEONLY; + return NULL; + } - /* Check that we're being loaded on a Linux system */ - LoaderGetOS(&osname, NULL, NULL, NULL); - if (!osname || strcmp(osname, "linux") != 0) { - if (errmaj) - *errmaj = LDR_BADOS; - if (errmin) - *errmin = 0; - return NULL; - } else { - /* OK */ + setupDone = TRUE; - xf86AddDriver (&V4L, module, 0); - - return (pointer)1; - } + /* Check that we're being loaded on a Linux system */ + LoaderGetOS(&osname, NULL, NULL, NULL); + if (!osname || strcmp(osname, "linux") != 0) { + if (errmaj) + *errmaj = LDR_BADOS; + if (errmin) + *errmin = 0; + return NULL; + } else { + /* OK */ + + xf86AddDriver (&V4L, module, 0); + + return (pointer)1; + } } #else @@ -112,25 +122,28 @@ v4lSetup(pointer module, pointer opts, i #define VIDEO_YUV 2 /* yuv overlay (to offscreen memory + hw scaling) */ #define VIDEO_RECLIP 3 /* temporarly off, window clipping changes */ +typedef struct _XvV4LCtrlRec { + struct v4l2_queryctrl qctrl; + Atom xv; +} XvV4LCtrlRec, *XvV4LCtrlPtr; + typedef struct _PortPrivRec { ScrnInfoPtr pScrn; - FBAreaPtr pFBArea[2]; - int VideoOn; - Bool StreamOn; + FBAreaPtr pFBArea[2]; + int VideoOn; + Bool StreamOn; /* file handle */ - int nr; - struct video_capability cap; + int nr; + struct v4l2_capability cap; /* RGB overlay */ - struct video_buffer rgb_fbuf; - struct video_window rgb_win; - int rgbpalette; + struct v4l2_framebuffer rgb_fbuf; + struct v4l2_window rgb_win; int rgbdepth; /* attributes */ - struct video_picture pict; - struct video_audio audio; + CARD32 pixelformat; XF86VideoEncodingPtr enc; int *input; @@ -145,24 +158,21 @@ typedef struct _PortPrivRec { int yuv_width,yuv_height; XF86SurfacePtr surface; - struct video_buffer yuv_fbuf; - struct video_window yuv_win; + struct v4l2_framebuffer yuv_fbuf; + struct v4l2_window yuv_win; + + struct v4l2_standard *standard; /* FIXME: can be removed */ + + XvV4LCtrlPtr XvV4LCtrl; + int n_qctrl; } PortPrivRec, *PortPrivPtr; -#define XV_ENCODING "XV_ENCODING" -#define XV_BRIGHTNESS "XV_BRIGHTNESS" -#define XV_CONTRAST "XV_CONTRAST" -#define XV_SATURATION "XV_SATURATION" -#define XV_HUE "XV_HUE" +#define XV_ENCODING "XV_ENCODING" +#define XV_FREQ "XV_FREQ" -#define XV_FREQ "XV_FREQ" -#define XV_MUTE "XV_MUTE" -#define XV_VOLUME "XV_VOLUME" +#define MAKE_ATOM(a) MakeAtom(a, strlen(a), TRUE) -#define MAKE_ATOM(a) MakeAtom(a, sizeof(a) - 1, TRUE) - -static Atom xvEncoding, xvBrightness, xvContrast, xvSaturation, xvHue; -static Atom xvFreq, xvMute, xvVolume; +static Atom xvEncoding, xvFreq; static XF86VideoFormatRec InputVideoFormats[] = { @@ -176,16 +186,8 @@ InputVideoFormats[] = { static const XF86AttributeRec Attributes[] = { {XvSettable | XvGettable, -1000, 1000, XV_ENCODING}, - {XvSettable | XvGettable, -1000, 1000, XV_BRIGHTNESS}, - {XvSettable | XvGettable, -1000, 1000, XV_CONTRAST}, - {XvSettable | XvGettable, -1000, 1000, XV_SATURATION}, - {XvSettable | XvGettable, -1000, 1000, XV_HUE}, }; -static const XF86AttributeRec VolumeAttr = - {XvSettable | XvGettable, -1000, 1000, XV_VOLUME}; -static const XF86AttributeRec MuteAttr = - {XvSettable | XvGettable, 0, 1, XV_MUTE}; -static const XF86AttributeRec FreqAttr = +static const XF86AttributeRec FreqAttr = {XvSettable | XvGettable, 0, 16*1000, XV_FREQ}; @@ -206,59 +208,247 @@ static struct V4L_DEVICE { }; /* ---------------------------------------------------------------------- */ -/* forward decl */ -static void V4lQueryBestSize(ScrnInfoPtr pScrn, Bool motion, - short vid_w, short vid_h, short drw_w, short drw_h, - unsigned int *p_w, unsigned int *p_h, pointer data); +static int SetV4LFmt(int fd, CARD32 pixelformat) +{ + struct v4l2_framebuffer fbuf; + char *p = (char *)&pixelformat; + + memset(&fbuf, 0, sizeof(fbuf)); + if (ioctl(fd, VIDIOC_G_FBUF, &fbuf) == -1) { + xf86Msg(X_ERROR, "v4l: Error %d: Can't get FBUF\n", errno); + return errno; + } + if (fbuf.fmt.pixelformat != pixelformat) { + fbuf.fmt.pixelformat = pixelformat; + if (ioctl(fd, VIDIOC_S_FBUF, &fbuf) == -1) { + xf86Msg(X_ERROR, "v4l: Error %d: Can't set FBUF to %c%c%c%c\n", + errno, p[0], p[1], p[2], p[3]); + return errno; + } + } + DEBUG(xf86Msg(X_INFO, "v4l: Set overlay format to %c%c%c%c\n", + p[0], p[1], p[2], p[3])); + return 0; +} +static int GetV4LFmt(int fd, CARD32 *pixelformat) +{ + struct v4l2_framebuffer fbuf; + + memset(&fbuf, 0, sizeof(fbuf)); + if (ioctl(fd, VIDIOC_G_FBUF, &fbuf) == -1) { + xf86Msg(X_ERROR, "v4l: Error %d: Can't get FBUF\n", errno); + return errno; + } + + *pixelformat = fbuf.fmt.pixelformat; + + return 0; +} + +#define ATTR_NAME_PREFIX "XV_" +static int AddControl(PortPrivPtr p, XF86AttributeRec **list, int *count, + struct v4l2_queryctrl *qctrl, int *n) +{ + char *ptr; + +/* v4l_add_attr */ + if (qctrl->flags & V4L2_CTRL_FLAG_DISABLED) + return 0; + switch (qctrl->type) { + case V4L2_CTRL_TYPE_INTEGER: + case V4L2_CTRL_TYPE_BOOLEAN: + case V4L2_CTRL_TYPE_MENU: + case V4L2_CTRL_TYPE_BUTTON: + break; + default: + return 0; + } + + p->XvV4LCtrl = realloc(p->XvV4LCtrl, sizeof(XvV4LCtrlRec) * (*n + 1)); + if (!p->XvV4LCtrl) { + if (*list) { + free (*list); + *count = 0; + *n = 0; + } + return -1; + } + + *list = realloc(*list, sizeof(XF86AttributeRec) * (*count + 1)); + if (NULL == *list) { + if (p->XvV4LCtrl) + free (p->XvV4LCtrl); + *count = 0; + return -1; + } + + memset(*list + *count, 0, sizeof(XF86AttributeRec)); + (*list)[*count].flags = XvSettable | XvGettable; + + if (qctrl->flags & V4L2_CTRL_FLAG_READ_ONLY) + (*list)[*count].flags &= ~XvSettable; + if (qctrl->flags & V4L2_CTRL_FLAG_WRITE_ONLY) + (*list)[*count].flags &= ~XvGettable; + (*list)[*count].min_value = qctrl->minimum; + (*list)[*count].max_value = qctrl->maximum; + (*list)[*count].name = malloc(strlen((char *)qctrl->name) + 1 + sizeof (ATTR_NAME_PREFIX)); + strcpy((*list)[*count].name, ATTR_NAME_PREFIX); + strcat((*list)[*count].name, (char *)qctrl->name); + for (ptr = (*list)[*count].name; *ptr; ptr++) { + *ptr = toupper(*ptr); + if (*ptr == ' ') + *ptr = '_'; + } + + p->XvV4LCtrl[*n].xv = MAKE_ATOM((*list)[*count].name); + memcpy(&p->XvV4LCtrl[*n].qctrl, qctrl, sizeof(*qctrl)); + + xf86Msg(X_INFO, "v4l: add attr %s (Xv/GPA %d) (%d to %d)\n", + (*list)[*count].name, (int)p->XvV4LCtrl[*n].xv, + p->XvV4LCtrl[*n].qctrl.minimum, + p->XvV4LCtrl[*n].qctrl.maximum); + + (*count)++; + (*n)++; + + return 0; +} + +static void AddAllV4LControls(PortPrivPtr p, XF86AttributeRec **list, + int *count, int fd) +{ + int entries = 0; + CARD32 id; + struct v4l2_queryctrl qctrl; + + memset(&qctrl, 0, sizeof(qctrl)); + qctrl.id = V4L2_CTRL_FLAG_NEXT_CTRL; + while (!ioctl(fd, VIDIOC_QUERYCTRL, &qctrl)) { + if (AddControl(p, list, count, &qctrl, &entries)) + return; + qctrl.id |= V4L2_CTRL_FLAG_NEXT_CTRL; + } + if (qctrl.id != V4L2_CTRL_FLAG_NEXT_CTRL) + return; + for (id = V4L2_CID_USER_BASE; id < V4L2_CID_LASTP1; id++) { + qctrl.id = id; + if (!ioctl(fd, VIDIOC_QUERYCTRL, &qctrl)) { + if (AddControl(p, list, count, &qctrl, &entries)) + return; + } + } + qctrl.id = V4L2_CID_PRIVATE_BASE; + while (!ioctl(fd, VIDIOC_QUERYCTRL, &qctrl)) { + if (AddControl(p, list, count, &qctrl, &entries)) + return; + qctrl.id++; + } + p->n_qctrl = entries; +} /* ---------------------------------------------------------------------- */ +/* setup yuv overlay + hw scaling: look if we find some common video + format which both v4l driver and the X-Server can handle */ +static int v4l_check_yuv(ScrnInfoPtr pScrn, PortPrivPtr pPPriv, + char *dev, int fd) +{ + static const struct { + CARD32 v4l_palette; + unsigned int xv_id; + unsigned int xv_format; + } yuvlist[] = { + { V4L2_PIX_FMT_YUYV, FOURCC_YUY2, XvPacked }, + { V4L2_PIX_FMT_UYVY, FOURCC_UYVY, XvPacked }, + { 0 /* end of list */ }, + }; + /* FIXME: Why pScrn->scrnIndex? */ + ScreenPtr pScreen = screenInfo.screens[pScrn->scrnIndex]; + int fmt,i; + + pPPriv->format = xf86XVQueryOffscreenImages(pScreen, &pPPriv->nformat); + xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, 2, + "v4l: Number of Xv formats: %d\n", pPPriv->nformat); + if (!pPPriv->nformat) + return FALSE; + + for (fmt = 0; yuvlist[fmt].v4l_palette != 0; fmt++) { + pPPriv->pixelformat = yuvlist[fmt].v4l_palette; + if (-1 == SetV4LFmt(fd, pPPriv->pixelformat)) + continue; + GetV4LFmt(fd, &pPPriv->pixelformat); + if (pPPriv->pixelformat != yuvlist[fmt].v4l_palette) + continue; + /* ... works, check available offscreen image formats now ... */ + for (i = 0; i < pPPriv->nformat; i++) { + if (pPPriv->format[i].image->id == yuvlist[fmt].xv_id && + pPPriv->format[i].image->format == yuvlist[fmt].xv_format) { + /* ... match found, good. */ + pPPriv->yuv_format = yuvlist[fmt].v4l_palette; + pPPriv->myfmt = pPPriv->format+i; + xf86DrvMsg(pScrn->scrnIndex, X_INFO, + "v4l[%s]: using hw video scaling [%4.4s].\n", + dev,(char*)&(pPPriv->format[i].image->id)); + return TRUE; + } + } + } + return TRUE; +} + static int V4lOpenDevice(PortPrivPtr pPPriv, ScrnInfoPtr pScrn) { static int first = 1; +#if 0 + /* + * It may be a good idea to probe here, but this would break + * some things, as initialization uses yuv_format + */ + if (!pPPriv->yuv_format && first) + v4l_check_yuv(pScrn, pPPriv, V4L_NAME, V4L_FD); +#endif if (-1 == V4L_FD) { - V4L_FD = open(V4L_NAME, O_RDWR, 0); + V4L_FD = open(V4L_NAME, O_RDWR, 0); - pPPriv->rgb_fbuf.width = pScrn->virtualX; - pPPriv->rgb_fbuf.height = pScrn->virtualY; - pPPriv->rgb_fbuf.depth = pScrn->bitsPerPixel; - pPPriv->rgb_fbuf.bytesperline = pScrn->displayWidth * ((pScrn->bitsPerPixel + 7)/8); - pPPriv->rgb_fbuf.base = (pointer)(pScrn->memPhysBase + pScrn->fbOffset); - if (first) { - first = 0; - xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, 2, - "v4l: memPhysBase=0x%lx\n", pScrn->memPhysBase); - } + if (-1 == V4L_FD) + return errno; - switch (pScrn->bitsPerPixel) { - case 16: - if (pScrn->weight.green == 5) { - pPPriv->rgbpalette = VIDEO_PALETTE_RGB555; - pPPriv->rgbdepth = 16; - } else { - pPPriv->rgbpalette = VIDEO_PALETTE_RGB565; - pPPriv->rgbdepth = 16; - } - break; - case 24: - pPPriv->rgbpalette = VIDEO_PALETTE_RGB24; - pPPriv->rgbdepth = 24; - break; - case 32: - pPPriv->rgbpalette = VIDEO_PALETTE_RGB32; - pPPriv->rgbdepth = 32; - break; - } + if (-1 == ioctl(V4L_FD, VIDIOC_G_FBUF, &pPPriv->rgb_fbuf)) { + xf86Msg(X_ERROR, "v4l: Error %d: Can't get FBUF\n", errno); + return errno; + } + pPPriv->rgb_fbuf.fmt.width = pScrn->virtualX; + pPPriv->rgb_fbuf.fmt.height = pScrn->virtualY; + pPPriv->rgb_fbuf.fmt.bytesperline = pScrn->displayWidth * ((pScrn->bitsPerPixel + 7)/8); + pPPriv->rgb_fbuf.base = (pointer)(pScrn->memPhysBase + pScrn->fbOffset); + if (first) { + xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, 2, + "v4l: memPhysBase=0x%lx\n", pScrn->memPhysBase); + first = 0; + } + + switch (pScrn->bitsPerPixel) { + case 16: + if (pScrn->weight.green == 5) { + pPPriv->rgb_fbuf.fmt.pixelformat = V4L2_PIX_FMT_RGB555; + } else { + pPPriv->rgb_fbuf.fmt.pixelformat = V4L2_PIX_FMT_RGB565; + } + break; + case 24: + pPPriv->rgb_fbuf.fmt.pixelformat = V4L2_PIX_FMT_BGR24; + break; + case 32: + pPPriv->rgb_fbuf.fmt.pixelformat = V4L2_PIX_FMT_BGR32; + break; + } } - if (-1 == V4L_FD) - return errno; - V4L_REF++; DEBUG(xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, 2, - "Xv/open: refcount=%d\n",V4L_REF)); + "Xv/open: refcount=%d\n",V4L_REF)); return 0; } @@ -267,10 +457,10 @@ static void V4lCloseDevice(PortPrivPtr p { V4L_REF--; DEBUG(xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, 2, - "Xv/close: refcount=%d\n",V4L_REF)); + "Xv/close: refcount=%d\n",V4L_REF)); if (0 == V4L_REF && -1 != V4L_FD) { - close(V4L_FD); - V4L_FD = -1; + close(V4L_FD); + V4L_FD = -1; } } @@ -280,8 +470,10 @@ V4lPutVideo(ScrnInfoPtr pScrn, short vid_w, short vid_h, short drw_w, short drw_h, RegionPtr clipBoxes, pointer data, DrawablePtr pDraw) { + struct v4l2_format fmt; + PortPrivPtr pPPriv = (PortPrivPtr) data; - struct video_clip *clip; + struct v4l2_clip *clip; BoxPtr pBox; RegionRec newReg; BoxRec newBox; @@ -291,179 +483,214 @@ V4lPutVideo(ScrnInfoPtr pScrn, /* Open a file handle to the device */ if (VIDEO_OFF == pPPriv->VideoOn) { - if (V4lOpenDevice(pPPriv, pScrn)) - return Success; + if (V4lOpenDevice(pPPriv, pScrn)) + return Success; } if (0 != pPPriv->yuv_format) { - DEBUG(xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, 2, "Xv/PV yuv\n")); - width = pPPriv->enc[pPPriv->cenc].width; + DEBUG(xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, 2, "Xv/PV yuv\n")); + width = pPPriv->enc[pPPriv->cenc].width; height = pPPriv->enc[pPPriv->cenc].height/2; /* no interlace */ - if (drw_w < width) - width = drw_w; - if (drw_h < height) - height = drw_h; - if ((height != pPPriv->yuv_height) || (width != pPPriv->yuv_width)) { - /* new size -- free old surface */ - DEBUG(xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, 2, " surface resize\n")); - if (pPPriv->surface) { - pPPriv->VideoOn = VIDEO_OFF; - pPPriv->myfmt->stop(pPPriv->surface); - pPPriv->myfmt->free_surface(pPPriv->surface); - xfree(pPPriv->surface); - pPPriv->surface = NULL; - } - pPPriv->yuv_width = width; - pPPriv->yuv_height = height; - } - if (!pPPriv->surface) { - /* allocate + setup offscreen surface */ - if (NULL == (pPPriv->surface = xalloc(sizeof(XF86SurfaceRec)))) - return FALSE; - if (Success != pPPriv->myfmt->alloc_surface - (pScrn,pPPriv->myfmt->image->id, - pPPriv->yuv_width,pPPriv->yuv_height,pPPriv->surface)) { - xfree(pPPriv->surface); - pPPriv->surface = NULL; - goto fallback_to_rgb; - } - pPPriv->yuv_fbuf.width = pPPriv->surface->width; - pPPriv->yuv_fbuf.height = pPPriv->surface->height; - pPPriv->yuv_fbuf.depth = 16; - pPPriv->yuv_fbuf.bytesperline = pPPriv->surface->pitches[0]; - pPPriv->yuv_fbuf.base = - (pointer)(pScrn->memPhysBase + pPPriv->surface->offsets[0]); - DEBUG(xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, 2, " surface: %p+%d = %p, %dx%d, pitch %d\n", - pScrn->memPhysBase,pPPriv->surface->offsets[0], - pScrn->memPhysBase+pPPriv->surface->offsets[0], - pPPriv->surface->width,pPPriv->surface->height, - pPPriv->surface->pitches[0])); - pPPriv->yuv_win.width = pPPriv->surface->width; - pPPriv->yuv_win.height = pPPriv->surface->height; - } + if (drw_w < width) + width = drw_w; + if (drw_h < height) + height = drw_h; + if ((height != pPPriv->yuv_height) || (width != pPPriv->yuv_width)) { + /* new size -- free old surface */ + DEBUG(xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, 2, " surface resize\n")); + if (pPPriv->surface) { + pPPriv->VideoOn = VIDEO_OFF; + pPPriv->myfmt->stop(pPPriv->surface); + pPPriv->myfmt->free_surface(pPPriv->surface); + free(pPPriv->surface); + pPPriv->surface = NULL; + } + pPPriv->yuv_width = width; + pPPriv->yuv_height = height; + } + if (!pPPriv->surface) { + /* allocate + setup offscreen surface */ + if (NULL == (pPPriv->surface = malloc(sizeof(XF86SurfaceRec)))) + return FALSE; + if (Success != pPPriv->myfmt->alloc_surface + (pScrn,pPPriv->myfmt->image->id, + pPPriv->yuv_width,pPPriv->yuv_height,pPPriv->surface)) { + free(pPPriv->surface); + pPPriv->surface = NULL; + goto fallback_to_rgb; + } - /* program driver */ - if (-1 == ioctl(V4L_FD,VIDIOCSFBUF,&(pPPriv->yuv_fbuf))) - perror("ioctl VIDIOCSFBUF"); - if (-1 == ioctl(V4L_FD,VIDIOCGPICT,&pPPriv->pict)) - perror("ioctl VIDIOCGPICT"); - pPPriv->pict.palette = pPPriv->yuv_format; - pPPriv->pict.depth = 16; - if (-1 == ioctl(V4L_FD,VIDIOCSPICT,&pPPriv->pict)) - perror("ioctl VIDIOCSPICT"); - if (-1 == ioctl(V4L_FD,VIDIOCSWIN,&(pPPriv->yuv_win))) - perror("ioctl VIDIOCSWIN"); - if (-1 == ioctl(V4L_FD, VIDIOCCAPTURE, &one)) - perror("ioctl VIDIOCCAPTURE(1)"); + if (-1 == ioctl(V4L_FD, VIDIOC_G_FBUF, &pPPriv->yuv_fbuf)) { + xf86Msg(X_ERROR, "v4l: Error %d: Can't get FBUF\n", errno); + return errno; + } + pPPriv->yuv_fbuf.fmt.width = pPPriv->surface->width; + pPPriv->yuv_fbuf.fmt.height = pPPriv->surface->height; + pPPriv->yuv_fbuf.fmt.bytesperline = pPPriv->surface->pitches[0]; + pPPriv->yuv_fbuf.fmt.pixelformat = pPPriv->yuv_format; + pPPriv->yuv_fbuf.base = + (pointer)(pScrn->memPhysBase + pPPriv->surface->offsets[0]); + DEBUG(xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, 2, + " surface: %p+%d = %p, %dx%d, pitch %d\n", + (void *)pScrn->memPhysBase, pPPriv->surface->offsets[0], + (void *)pScrn->memPhysBase+pPPriv->surface->offsets[0], + pPPriv->surface->width, pPPriv->surface->height, + pPPriv->surface->pitches[0])); + memset(&pPPriv->yuv_win, 0, sizeof(pPPriv->yuv_win)); + pPPriv->yuv_win.w.left = 0; + pPPriv->yuv_win.w.top = 0; + pPPriv->yuv_win.w.width = pPPriv->surface->width; + pPPriv->yuv_win.w.height = pPPriv->surface->height; + } - if (0 == (pPPriv->myfmt->flags & VIDEO_INVERT_CLIPLIST)) { - /* invert cliplist */ - newBox.x1 = drw_x; - newBox.y1 = drw_y; - newBox.x2 = drw_x + drw_w; - newBox.y2 = drw_y + drw_h; + /* program driver */ + if (-1 == ioctl(V4L_FD, VIDIOC_S_FBUF, &pPPriv->yuv_fbuf)) { + xf86Msg(X_ERROR, "Error %d at VIDIOC_S_FBUF\n", errno); + return BadValue; + } + pPPriv->pixelformat = pPPriv->yuv_format; + if (-1 == SetV4LFmt(V4L_FD, pPPriv->pixelformat)) + return BadValue; - if (pPPriv->myfmt->flags & VIDEO_CLIP_TO_VIEWPORT) { - /* trim to the viewport */ - if(newBox.x1 < pScrn->frameX0) - newBox.x1 = pScrn->frameX0; - if(newBox.x2 > pScrn->frameX1) - newBox.x2 = pScrn->frameX1; - - if(newBox.y1 < pScrn->frameY0) - newBox.y1 = pScrn->frameY0; - if(newBox.y2 > pScrn->frameY1) - newBox.y2 = pScrn->frameY1; - } + memset(&fmt, 0, sizeof(fmt)); + fmt.type = V4L2_BUF_TYPE_VIDEO_OVERLAY; + memcpy(&fmt.fmt.win, &pPPriv->yuv_win, sizeof(pPPriv->yuv_win)); + if (-1 == ioctl(V4L_FD, VIDIOC_S_FMT, &fmt)) { + xf86Msg(X_ERROR, "Error %d at VIDIOC_S_FMT\n", errno); + return BadValue; + } + if (-1 == ioctl(V4L_FD, VIDIOC_OVERLAY, &one)) { + xf86Msg(X_ERROR, "v4l: Error %d while enabling Overlay\n", errno); + return BadValue; + } - REGION_INIT(pScrn->pScreen, &newReg, &newBox, 1); - REGION_SUBTRACT(pScrn->pScreen, &newReg, &newReg, clipBoxes); - clipBoxes = &newReg; - } - - /* start overlay */ - DEBUG(xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, 2, - "over: - %d,%d -> %d,%d (%dx%d) (yuv=%dx%d)\n", - drw_x, drw_y, - drw_x+drw_w, drw_y+drw_h, - drw_w, drw_h, - pPPriv->surface->width,pPPriv->surface->height)); - pPPriv->myfmt->display(pPPriv->surface, - 0, 0, drw_x, drw_y, - pPPriv->surface->width, - pPPriv->surface->height, - drw_w, drw_h, - clipBoxes); - if (0 == (pPPriv->myfmt->flags & VIDEO_INVERT_CLIPLIST)) { - REGION_UNINIT(pScrn->pScreen, &newReg); - } - pPPriv->VideoOn = VIDEO_YUV; - return Success; + if (0 == (pPPriv->myfmt->flags & VIDEO_INVERT_CLIPLIST)) { + /* invert cliplist */ + newBox.x1 = drw_x; + newBox.y1 = drw_y; + newBox.x2 = drw_x + drw_w; + newBox.y2 = drw_y + drw_h; + + if (pPPriv->myfmt->flags & VIDEO_CLIP_TO_VIEWPORT) { + /* trim to the viewport */ + if(newBox.x1 < pScrn->frameX0) + newBox.x1 = pScrn->frameX0; + if(newBox.x2 > pScrn->frameX1) + newBox.x2 = pScrn->frameX1; + + if(newBox.y1 < pScrn->frameY0) + newBox.y1 = pScrn->frameY0; + if(newBox.y2 > pScrn->frameY1) + newBox.y2 = pScrn->frameY1; + } + + REGION_INIT(pScrn->pScreen, &newReg, &newBox, 1); + REGION_SUBTRACT(pScrn->pScreen, &newReg, &newReg, clipBoxes); + clipBoxes = &newReg; + } + + /* start overlay */ + DEBUG(xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, 2, + "over: - %d,%d -> %d,%d (%dx%d) (yuv=%dx%d)\n", + drw_x, drw_y, + drw_x+drw_w, drw_y+drw_h, + drw_w, drw_h, + pPPriv->surface->width,pPPriv->surface->height)); + pPPriv->myfmt->display(pPPriv->surface, + 0, 0, drw_x, drw_y, + pPPriv->surface->width, + pPPriv->surface->height, + drw_w, drw_h, + clipBoxes); + if (0 == (pPPriv->myfmt->flags & VIDEO_INVERT_CLIPLIST)) { + REGION_UNINIT(pScrn->pScreen, &newReg); + } + pPPriv->VideoOn = VIDEO_YUV; + return Success; } - fallback_to_rgb: +fallback_to_rgb: DEBUG(xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, 2, "Xv/PV rgb\n")); /* FIXME: vid-* is ignored for now, not supported by v4l */ dw = (drw_w < pPPriv->enc[pPPriv->cenc].width) ? - drw_w : pPPriv->enc[pPPriv->cenc].width; + drw_w : pPPriv->enc[pPPriv->cenc].width; dh = (drw_h < pPPriv->enc[pPPriv->cenc].height) ? - drw_h : pPPriv->enc[pPPriv->cenc].height; + drw_h : pPPriv->enc[pPPriv->cenc].height; /* if the window is too big, center the video */ dx = drw_x + (drw_w - dw)/2; dy = drw_y + (drw_h - dh)/2; /* bttv prefeares aligned addresses */ dx &= ~3; - if (dx < drw_x) dx += 4; - if (dx+dw > drw_x+drw_w) dw -= 4; + if (dx < drw_x) + dx += 4; + if (dx+dw > drw_x+drw_w) + dw -= 4; /* window */ DEBUG(xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, 2, " win: %dx%d+%d+%d\n", - drw_w,drw_h,drw_x,drw_y)); + drw_w,drw_h,drw_x,drw_y)); DEBUG(xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, 2, " use: %dx%d+%d+%d\n", - dw,dh,dx,dy)); - pPPriv->rgb_win.x = dx; - pPPriv->rgb_win.y = dy; - pPPriv->rgb_win.width = dw; - pPPriv->rgb_win.height = dh; - pPPriv->rgb_win.flags = 0; - + dw,dh,dx,dy)); + memset(&pPPriv->rgb_win, 0, sizeof(pPPriv->rgb_win)); + pPPriv->rgb_win.w.left = dx; + pPPriv->rgb_win.w.top = dy; + pPPriv->rgb_win.w.width = dw; + pPPriv->rgb_win.w.height = dh; + /* clipping */ if (pPPriv->rgb_win.clips) { - xfree(pPPriv->rgb_win.clips); - pPPriv->rgb_win.clips = NULL; + free(pPPriv->rgb_win.clips); + pPPriv->rgb_win.clips = NULL; } pPPriv->rgb_win.clipcount = REGION_NUM_RECTS(clipBoxes); DEBUG(xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, 2," clip: have #%d\n", - pPPriv->rgb_win.clipcount)); + pPPriv->rgb_win.clipcount)); if (0 != pPPriv->rgb_win.clipcount) { - pPPriv->rgb_win.clips = xalloc(pPPriv->rgb_win.clipcount*sizeof(struct video_clip)); - if (NULL != pPPriv->rgb_win.clips) { - memset(pPPriv->rgb_win.clips,0,pPPriv->rgb_win.clipcount*sizeof(struct video_clip)); - pBox = REGION_RECTS(clipBoxes); - clip = pPPriv->rgb_win.clips; - for (i = 0; i < REGION_NUM_RECTS(clipBoxes); i++, pBox++, clip++) { - clip->x = pBox->x1 - dx; - clip->y = pBox->y1 - dy; - clip->width = pBox->x2 - pBox->x1; - clip->height = pBox->y2 - pBox->y1; - } - } + pPPriv->rgb_win.clips = malloc(pPPriv->rgb_win.clipcount*sizeof(struct v4l2_clip)); + if (NULL != pPPriv->rgb_win.clips) { + memset(pPPriv->rgb_win.clips,0,pPPriv->rgb_win.clipcount*sizeof(struct v4l2_clip)); + pBox = REGION_RECTS(clipBoxes); + clip = pPPriv->rgb_win.clips; + + /* + * FIXME: This code currently does nothing, as we don't emulate + * The V4L1 clipping stuff + */ + for (i = 0; i < REGION_NUM_RECTS(clipBoxes); i++, pBox++, clip++) { + clip->c.left = pBox->x1 - dx; + clip->c.top = pBox->y1 - dy; + clip->c.width = pBox->x2 - pBox->x1; + clip->c.height = pBox->y2 - pBox->y1; + } + } } /* start */ - if (-1 == ioctl(V4L_FD,VIDIOCSFBUF,&(pPPriv->rgb_fbuf))) - perror("ioctl VIDIOCSFBUF"); - if (-1 == ioctl(V4L_FD,VIDIOCGPICT,&pPPriv->pict)) - perror("ioctl VIDIOCGPICT"); - pPPriv->pict.palette = pPPriv->rgbpalette; - pPPriv->pict.depth = pPPriv->rgbdepth; - if (-1 == ioctl(V4L_FD,VIDIOCSPICT,&pPPriv->pict)) - perror("ioctl VIDIOCSPICT"); - if (-1 == ioctl(V4L_FD,VIDIOCSWIN,&(pPPriv->rgb_win))) - perror("ioctl VIDIOCSWIN"); - if (-1 == ioctl(V4L_FD, VIDIOCCAPTURE, &one)) - perror("ioctl VIDIOCCAPTURE(1)"); + if (-1 == ioctl(V4L_FD, VIDIOC_S_FBUF, &pPPriv->rgb_fbuf)) { + xf86Msg(X_ERROR, "Error %d at VIDIOC_S_FBUF\n", errno); + return BadValue; + } + if (-1 == GetV4LFmt(V4L_FD, &pPPriv->pixelformat)) { + xf86Msg(X_ERROR, "Error %d getting pixelformat\n", errno); + return BadValue; + } + pPPriv->pixelformat = pPPriv->rgb_fbuf.fmt.pixelformat; + if (-1 == SetV4LFmt(V4L_FD, pPPriv->pixelformat)) { + xf86Msg(X_ERROR, "Error %d getting pixelformat\n", errno); + return BadValue; + } + memset(&fmt, 0, sizeof(fmt)); + fmt.type = V4L2_BUF_TYPE_VIDEO_OVERLAY; + memcpy(&fmt.fmt.win, &pPPriv->rgb_win, sizeof(pPPriv->rgb_win)); + if (-1 == ioctl(V4L_FD, VIDIOC_S_FMT, &fmt)) { + xf86Msg(X_ERROR, "Error %d at VIDIOC_S_FMT\n", errno); + return BadValue; + } + if (-1 == ioctl(V4L_FD, VIDIOC_OVERLAY, &one)) { + xf86Msg(X_ERROR, "v4l: Error %d while enabling Overlay\n", errno); + return BadValue; + } pPPriv->VideoOn = VIDEO_RGB; return Success; @@ -476,7 +703,7 @@ V4lPutStill(ScrnInfoPtr pScrn, RegionPtr clipBoxes, pointer data, DrawablePtr pDraw) { #if 0 - PortPrivPtr pPPriv = (PortPrivPtr) data; + PortPrivPtr pPPriv = (PortPrivPtr) data; #endif DEBUG(xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, 2, "Xv/PS\n")); @@ -488,177 +715,152 @@ V4lPutStill(ScrnInfoPtr pScrn, static void V4lStopVideo(ScrnInfoPtr pScrn, pointer data, Bool shutdown) { - PortPrivPtr pPPriv = (PortPrivPtr) data; + PortPrivPtr pPPriv = (PortPrivPtr) data; int zero=0; if (VIDEO_OFF == pPPriv->VideoOn) { - DEBUG(xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, 2, - "Xv/StopVideo called with video already off\n")); - return; + DEBUG(xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, 2, + "Xv/StopVideo called with video already off\n")); + return; } DEBUG(xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, 2, "Xv/StopVideo shutdown=%d\n",shutdown)); if (!shutdown) { - /* just reclipping, we have to stop DMA transfers to the visible screen */ - if (VIDEO_RGB == pPPriv->VideoOn) { - if (-1 == ioctl(V4L_FD, VIDIOCCAPTURE, &zero)) - perror("ioctl VIDIOCCAPTURE(0)"); - pPPriv->VideoOn = VIDEO_RECLIP; - } + /* just reclipping, we have to stop DMA transfers to the visible screen */ + if (VIDEO_RGB == pPPriv->VideoOn) { + if (-1 == ioctl(V4L_FD, VIDIOC_OVERLAY, &zero)) + xf86Msg(X_ERROR, "v4l: Error %d while disabling Overlay\n", errno); + pPPriv->VideoOn = VIDEO_RECLIP; + } } else { - /* video stop - turn off and free everything */ - if (VIDEO_YUV == pPPriv->VideoOn) { - pPPriv->myfmt->stop(pPPriv->surface); - pPPriv->myfmt->free_surface(pPPriv->surface); - xfree(pPPriv->surface); - pPPriv->surface = NULL; - } - if (-1 == ioctl(V4L_FD, VIDIOCCAPTURE, &zero)) - perror("ioctl VIDIOCCAPTURE(0)"); - - V4lCloseDevice(pPPriv,pScrn); - pPPriv->VideoOn = VIDEO_OFF; + /* video stop - turn off and free everything */ + if (VIDEO_YUV == pPPriv->VideoOn) { + pPPriv->myfmt->stop(pPPriv->surface); + pPPriv->myfmt->free_surface(pPPriv->surface); + free(pPPriv->surface); + pPPriv->surface = NULL; + } + if (-1 == ioctl(V4L_FD, VIDIOC_OVERLAY, &zero)) + xf86Msg(X_ERROR, "v4l: Error %d while disabling Overlay\n", errno); + + V4lCloseDevice(pPPriv,pScrn); + pPPriv->VideoOn = VIDEO_OFF; } } -/* v4l uses range 0 - 65535; Xv uses -1000 - 1000 */ -static int -v4l_to_xv(int val) { - val = val * 2000 / 65536 - 1000; - if (val < -1000) val = -1000; - if (val > 1000) val = 1000; - return val; -} -static int -xv_to_v4l(int val) { - val = val * 65536 / 2000 + 32768; - if (val < -0) val = 0; - if (val > 65535) val = 65535; - return val; -} - static int V4lSetPortAttribute(ScrnInfoPtr pScrn, Atom attribute, INT32 value, pointer data) { - PortPrivPtr pPPriv = (PortPrivPtr) data; - struct video_channel chan; - int ret = Success; + struct v4l2_control ctrl; + PortPrivPtr pPPriv = (PortPrivPtr) data; + int i, ret = BadValue; if (V4lOpenDevice(pPPriv, pScrn)) - return Success; + return Success; DEBUG(xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, 2, "Xv/SPA %d, %d\n", - attribute, value)); + (int)attribute, (int)value)); if (-1 == V4L_FD) { - ret = Success; + ret = Success; } else if (attribute == xvEncoding) { - if (value >= 0 && value < pPPriv->nenc) { - pPPriv->cenc = value; - chan.channel = pPPriv->input[value]; - chan.norm = pPPriv->norm[value]; - if (-1 == ioctl(V4L_FD,VIDIOCSCHAN,&chan)) - perror("ioctl VIDIOCSCHAN"); - } else { - ret = BadValue; - } - } else if (attribute == xvBrightness || - attribute == xvContrast || - attribute == xvSaturation || - attribute == xvHue) { - ioctl(V4L_FD,VIDIOCGPICT,&pPPriv->pict); - if (attribute == xvBrightness) pPPriv->pict.brightness = xv_to_v4l(value); - if (attribute == xvContrast) pPPriv->pict.contrast = xv_to_v4l(value); - if (attribute == xvSaturation) pPPriv->pict.colour = xv_to_v4l(value); - if (attribute == xvHue) pPPriv->pict.hue = xv_to_v4l(value); - if (-1 == ioctl(V4L_FD,VIDIOCSPICT,&pPPriv->pict)) - perror("ioctl VIDIOCSPICT"); - } else if (attribute == xvMute || - attribute == xvVolume) { - ioctl(V4L_FD,VIDIOCGAUDIO,&pPPriv->audio); - if (attribute == xvMute) { - if (value) - pPPriv->audio.flags |= VIDEO_AUDIO_MUTE; - else - pPPriv->audio.flags &= ~VIDEO_AUDIO_MUTE; - } else if (attribute == xvVolume) { - if (pPPriv->audio.flags & VIDEO_AUDIO_VOLUME) - pPPriv->audio.volume = xv_to_v4l(value); - } else { - ret = BadValue; - } - if (ret != BadValue) - if (-1 == ioctl(V4L_FD,VIDIOCSAUDIO,&pPPriv->audio)) - perror("ioctl VIDIOCSAUDIO"); + if (value < 0 || value >= pPPriv->nenc) + goto err; + if (ioctl(V4L_FD, VIDIOC_S_INPUT, &pPPriv->input[value]) == -1) { + xf86Msg(X_ERROR, "v4l: Error %d while setting input\n", errno); + goto err; + } + if (ioctl(V4L_FD, VIDIOC_S_STD, &pPPriv->norm[value]) == -1) { + xf86Msg(X_ERROR, "v4l: Error %d while setting standard\n", errno); + goto err; + } + pPPriv->cenc = value; + ret = Success; } else if (attribute == xvFreq) { - unsigned long freq = value; - if (-1 == ioctl(V4L_FD,VIDIOCSFREQ,&freq)) - perror("ioctl VIDIOCSFREQ"); - } else if (0 != pPPriv->yuv_format && - pPPriv->myfmt->setAttribute) { - /* not mine -> pass to yuv scaler driver */ - ret = pPPriv->myfmt->setAttribute(pScrn, attribute, value); + struct v4l2_frequency freq; + memset(&freq, 0, sizeof(freq)); + ioctl(V4L_FD, VIDIOC_G_FREQUENCY, &freq); + freq.frequency = value; + if (ioctl(V4L_FD, VIDIOC_S_FREQUENCY, &freq) == -1) + xf86Msg(X_ERROR, "v4l: Error %d while setting frequency\n", errno); + else + ret = Success; } else { - ret = BadValue; + for (i = 0; i < pPPriv->n_qctrl; i++) + if (pPPriv->XvV4LCtrl[i].xv == attribute) + break; + if (i == pPPriv->n_qctrl) { + /* not mine -> pass to yuv scaler driver */ + if (0 != pPPriv->yuv_format && pPPriv->myfmt->setAttribute) + ret = pPPriv->myfmt->setAttribute(pScrn, attribute, value); + else + ret = BadMatch; + goto err; + } + if (pPPriv->XvV4LCtrl[i].qctrl.flags & V4L2_CTRL_FLAG_DISABLED) + goto err; + ctrl.id = pPPriv->XvV4LCtrl[i].qctrl.id; + ctrl.value = value; + if (ioctl(V4L_FD, VIDIOC_S_CTRL, &ctrl) != 1) + ret = Success; } +err: V4lCloseDevice(pPPriv,pScrn); return ret; } static int -V4lGetPortAttribute(ScrnInfoPtr pScrn, +V4lGetPortAttribute(ScrnInfoPtr pScrn, Atom attribute, INT32 *value, pointer data) { + struct v4l2_control ctrl; PortPrivPtr pPPriv = (PortPrivPtr) data; - int ret = Success; + int i, ret = BadValue; if (V4lOpenDevice(pPPriv, pScrn)) - return Success; + return Success; DEBUG(xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, 2, "Xv/GPA %d\n", - attribute)); + (int)attribute)); if (-1 == V4L_FD) { - ret = Success; + ret = Success; } else if (attribute == xvEncoding) { - *value = pPPriv->cenc; - } else if (attribute == xvBrightness || - attribute == xvContrast || - attribute == xvSaturation || - attribute == xvHue) { - ioctl(V4L_FD,VIDIOCGPICT,&pPPriv->pict); - if (attribute == xvBrightness) *value = v4l_to_xv(pPPriv->pict.brightness); - if (attribute == xvContrast) *value = v4l_to_xv(pPPriv->pict.contrast); - if (attribute == xvSaturation) *value = v4l_to_xv(pPPriv->pict.colour); - if (attribute == xvHue) *value = v4l_to_xv(pPPriv->pict.hue); - } else if (attribute == xvMute || - attribute == xvVolume) { - ioctl(V4L_FD,VIDIOCGAUDIO,&pPPriv->audio); - if (attribute == xvMute) { - *value = (pPPriv->audio.flags & VIDEO_AUDIO_MUTE) ? 1 : 0; - } else if (attribute == xvVolume) { - if (pPPriv->audio.flags & VIDEO_AUDIO_VOLUME) - *value = v4l_to_xv(pPPriv->audio.volume); - } else { - ret = BadValue; - } + *value = pPPriv->cenc; + ret = Success; } else if (attribute == xvFreq) { - unsigned long freq; - ioctl(V4L_FD,VIDIOCGFREQ,&freq); - *value = freq; - } else if (0 != pPPriv->yuv_format && - pPPriv->myfmt->getAttribute) { - /* not mine -> pass to yuv scaler driver */ - ret = pPPriv->myfmt->getAttribute(pScrn, attribute, value); + struct v4l2_frequency freq; + memset(&freq, 0, sizeof(freq)); + if (ioctl(V4L_FD, VIDIOC_G_FREQUENCY, &freq) != -1) { + *value = freq.frequency; + ret = Success; + } } else { - ret = BadValue; + for (i = 0; i < pPPriv->n_qctrl; i++) + if (pPPriv->XvV4LCtrl[i].xv == attribute) + break; + if (i == pPPriv->n_qctrl) { + /* not mine -> pass to yuv scaler driver */ + if (0 != pPPriv->yuv_format && pPPriv->myfmt->getAttribute) + ret = pPPriv->myfmt->getAttribute(pScrn, attribute, value); + else + ret = BadMatch; + goto err; + } + if (pPPriv->XvV4LCtrl[i].qctrl.flags & V4L2_CTRL_FLAG_DISABLED) + goto err; + ctrl.id = pPPriv->XvV4LCtrl[i].qctrl.id; + if (ioctl(V4L_FD, VIDIOC_G_CTRL, &ctrl) != -1) { + *value = ctrl.value; + ret = Success; + } } + DEBUG(xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, 2, "Xv/GPA %d, %d\n", + (int)attribute, (int)*value)); - DEBUG(xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, 2, "Xv/GPA %d, %d\n", - attribute, *value)); - +err: V4lCloseDevice(pPPriv,pScrn); return ret; } @@ -673,15 +875,15 @@ V4lQueryBestSize(ScrnInfoPtr pScrn, Bool int maxy = pPPriv->enc[pPPriv->cenc].height; if (0 != pPPriv->yuv_format) { - *p_w = pPPriv->myfmt->max_width; - *p_h = pPPriv->myfmt->max_height; + *p_w = pPPriv->myfmt->max_width; + *p_h = pPPriv->myfmt->max_height; } else { - *p_w = (drw_w < maxx) ? drw_w : maxx; - *p_h = (drw_h < maxy) ? drw_h : maxy; + *p_w = (drw_w < maxx) ? drw_w : maxx; + *p_h = (drw_h < maxy) ? drw_h : maxy; } DEBUG(xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, 2, "Xv/BS %d %dx%d %dx%d\n", - pPPriv->cenc,drw_w,drw_h,*p_w,*p_h)); + pPPriv->cenc,drw_w,drw_h,*p_w,*p_h)); } static const OptionInfoRec * @@ -693,132 +895,198 @@ V4LAvailableOptions(int chipid, int busi static void V4LIdentify(int flags) { - xf86Msg(X_INFO, "v4l driver for Video4Linux\n"); -} + xf86Msg(X_INFO, "v4l driver for Video4Linux overlay mode (V4L2)\n"); +} static char* fixname(char *str) { int s,d; for (s=0, d=0;; s++) { - if (str[s] == '-') - continue; - str[d++] = tolower(str[s]); - if (0 == str[s]) - break; + if (str[s] == '-') + continue; + str[d++] = tolower(str[s]); + if (0 == str[s]) + break; } return str; } static int -v4l_add_enc(XF86VideoEncodingPtr enc, int i, - char *norm, char *input, int width, int height, int n, int d) +AddV4LEnc(XF86VideoEncodingPtr enc, int entry, + char *norm, char *input, int width, int height, int n, int d) { - enc[i].id = i; - enc[i].name = xalloc(strlen(norm)+strlen(input)+2); - if (NULL == enc[i].name) - return -1; - enc[i].width = width; - enc[i].height = height; - enc[i].rate.numerator = n; - enc[i].rate.denominator = d; - sprintf(enc[i].name,"%s-%s",norm,fixname(input)); + enc->id = entry; + enc->name = malloc(strlen(norm) + strlen(input) + 2); + if (!enc->name) + return -1; + + enc->width = width; + enc->height = height; + enc->rate.numerator = n; + enc->rate.denominator = d * 2; /* Refresh rate is twice, due to interlace */ + sprintf(enc->name,"%s-%s",norm,fixname(input)); + + xf86Msg(X_INFO, "v4l: adding input %s, %dx%d %d fps\n", + enc->name, enc->width, enc->height, (d + n - 1)/n); + return 0; } +static int +V4LGetStd(PortPrivPtr p, int fd) +{ + struct v4l2_standard standard; + int entries = 0; + + /* + * 128 is just an arbitrary large number. There aren't that many video stds + * The max value is there just to avoid an endless loop, if the driver is + * broken. + */ + for (entries = 0; entries < 128; entries++) { + memset(&standard, 0, sizeof(standard)); + standard.index = entries; + if (-1 == ioctl(fd,VIDIOC_ENUMSTD, &standard)) + break; + p->standard = realloc(p->standard, sizeof(standard) * (entries + 1)); + memcpy(&p->standard[entries], &standard, sizeof(standard)); + } + + /* + * Some webcam drivers don't implement VIDIOC_ENUMSTD. Fake it + * This is currently unused, as no webcam driver allows OVERLAY mode, + * but the code is here, in the case some webcam driver starts allowing + * overlay. + * FIXME: Webcam drivers may use VIDIOC_ENUM_FRAMESIZES and + * VIDIOC_ENUM_FRAMEINTERVALS ioctl's that may help to fine-tune + * their needs. Those ioctl's could be used here in order to better + * support webcams. + */ + if (!entries) { + xf86Msg(X_INFO, "v4l: VIDIOC_ENUMSTD error %d.\n",errno); + p->standard = realloc(p->standard, sizeof(standard) * (entries + 1)); + p->standard[0].id = V4L2_STD_ALL; + strcpy((char *)p->standard[0].name, "CAMERA"); + p->standard[0].frameperiod.numerator = 1001; + p->standard[0].frameperiod.denominator = 300001; + p->standard[0].framelines = 480; + entries++; + } + return entries; +} + static void -V4LBuildEncodings(PortPrivPtr p, int fd, int channels) +V4LBuildEncodings(PortPrivPtr p, int fd) { - static struct video_channel channel; - int i,entries,have_bttv,bttv_ver; + unsigned int inp, std, num_std; -#define BTTV_VERSION _IOR('v' , BASE_VIDIOCPRIVATE+6, int) - have_bttv = 0; - if (-1 != ioctl(fd,BTTV_VERSION,&bttv_ver)) - have_bttv = 1; - - entries = (have_bttv ? 7 : 3) * channels; - p->enc = xalloc(sizeof(XF86VideoEncodingRec) * entries); - if (NULL == p->enc) - goto fail; - memset(p->enc,0,sizeof(XF86VideoEncodingRec) * entries); - p->norm = xalloc(sizeof(int) * entries); - if (NULL == p->norm) - goto fail; - memset(p->norm,0,sizeof(int) * entries); - p->input = xalloc(sizeof(int) * entries); - if (NULL == p->input) - goto fail; - memset(p->input,0,sizeof(int) * entries); + num_std = V4LGetStd(p, fd); p->nenc = 0; - for (i = 0; i < channels; i++) { - channel.channel = i; - if (-1 == ioctl(fd,VIDIOCGCHAN,&channel)) { - perror("ioctl VIDIOCGCHAN"); - continue; - } - - v4l_add_enc(p->enc, p->nenc,"PAL", channel.name, 768,576, 1,50); - p->norm[p->nenc] = VIDEO_MODE_PAL; - p->input[p->nenc] = i; - p->nenc++; - - v4l_add_enc(p->enc,p->nenc,"NTSC", channel.name, 640,480, 1001,60000); - p->norm[p->nenc] = VIDEO_MODE_NTSC; - p->input[p->nenc] = i; - p->nenc++; - - v4l_add_enc(p->enc,p->nenc,"SECAM",channel.name, 768,576, 1,50); - p->norm[p->nenc] = VIDEO_MODE_SECAM; - p->input[p->nenc] = i; - p->nenc++; - if (have_bttv) { - /* workaround for a v4l design flaw: The v4l API knows just pal, - ntsc and secam. But there are a few more norms (pal versions - with a different timings used in south america for example). - The bttv driver can handle these too. */ - if (0 != v4l_add_enc(p->enc,p->nenc,"PAL-Nc",channel.name, - 640, 576, 1,50)) - goto fail; - p->norm[p->nenc] = 3; - p->input[p->nenc] = i; - p->nenc++; + /* + * 256 is just an arbitrary large number. There aren't that many video + * inputs on any driver. The max value is there just to avoid an endless + * loop, if the driver is broken. + */ + for (inp = 0; inp < 256; inp++) { + struct v4l2_input input; - if (0 != v4l_add_enc(p->enc,p->nenc,"PAL-M",channel.name, - 640, 576, 1,50)) - goto fail; - p->norm[p->nenc] = 4; - p->input[p->nenc] = i; - p->nenc++; + memset(&input, 0, sizeof(input)); + input.index = inp; + if (ioctl(fd, VIDIOC_ENUMINPUT, &input) == -1) + break; - if (0 != v4l_add_enc(p->enc, p->nenc,"PAL-N", channel.name, - 768,576, 1,50)) - goto fail; - p->norm[p->nenc] = 5; - p->input[p->nenc] = i; - p->nenc++; - - if (0 != v4l_add_enc(p->enc,p->nenc,"NTSC-JP", channel.name, - 640,480, 1001,60000)) - goto fail; - p->norm[p->nenc] = 6; - p->input[p->nenc] = i; - p->nenc++; - } + for (std = 0; std < num_std; std++) { + int width, height; + + /* + * Currently, this code is not reliable, due to driver + * non-compliance on both saa7134 and bttv. So, instead, + * just use the video standard information + */ +#if 0 + struct v4l2_framebuffer fbuf; + + /* Some webcam drivers will fail here, but that's OK */ + ioctl(fd, VIDIOC_S_STD, &p->standard[std].id); + + memset(&fbuf, 0, sizeof(fbuf)); + if (ioctl(fd, VIDIOC_G_FBUF, &fbuf) == -1) { + xf86Msg(X_INFO, "v4l: Error %d: Can't get FBUF\n", errno); + return; + } + height = fbuf.fmt.height; + width = fbuf.fmt.width; + + /* + * If the overlay method fails, get the resolution + * via checking V4L2_BUF_TYPE_VIDEO_CAPTURE + */ + if (!height || !width) { + struct v4l2_format format; + + format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + if (ioctl(fd, VIDIOC_G_FMT, &format) == -1) { + /* Hmm... device doesn't support capture. */ + height = p->standard[std].framelines; + if (height == 480) + width = 640; + else if (height == 576) + width = 768; + else + continue; + } else { + height = format.fmt.pix.height; + width = format.fmt.pix.width; + } + } +#else + if (p->standard[std].id & V4L2_STD_525_60) { + height = 480; + width = 640; + } else { + height = 576; + width = 768; + } + +#endif + /* Fixup for some driver bug */ + if ((p->standard[std].id & V4L2_STD_525_60) && (height == 576)) + height = 480; + + p->enc = realloc(p->enc, sizeof(XF86VideoEncodingRec) * (p->nenc + 1)); + p->norm = realloc(p->norm, sizeof(int) * (p->nenc + 1)); + p->input = realloc(p->input, sizeof(int) * (p->nenc + 1)); + if (!p->enc || !p->norm || !p->input) + goto fail; + if (AddV4LEnc(&p->enc[p->nenc], p->nenc, + (char *)p->standard[std].name, + (char *)input.name, width, height, + p->standard[std].frameperiod.numerator, + p->standard[std].frameperiod.denominator)) + goto fail; + p->norm[p->nenc] = p->standard[std].id; + p->input[p->nenc] = inp; + p->nenc++; + } } + + if (!p->nenc) + xf86Msg(X_ERROR, "v4l: couldn't detect any valid input/standard\n"); return; - - fail: + +fail: + xf86Msg(X_ERROR, "v4l: Fail to get standards: %d\n", errno); if (p->input) - xfree(p->input); + free(p->input); p->input = NULL; if (p->norm) - xfree(p->norm); + free(p->norm); p->norm = NULL; if (p->enc) - xfree(p->enc); + free(p->enc); p->enc = NULL; p->nenc = 0; } @@ -826,75 +1094,35 @@ V4LBuildEncodings(PortPrivPtr p, int fd, /* add a attribute a list */ static void v4l_add_attr(XF86AttributeRec **list, int *count, - const XF86AttributeRec *attr) + const XF86AttributeRec *attr) { XF86AttributeRec *oldlist = *list; int i; + Atom gpa; for (i = 0; i < *count; i++) { - if (0 == strcmp((*list)[i].name,attr->name)) { - DEBUG(xf86Msg(X_INFO, "v4l: skip dup attr %s\n",attr->name)); - return; - } + if (0 == strcmp((*list)[i].name,attr->name)) { + DEBUG(xf86Msg(X_INFO, "v4l: skip dup attr %s\n",attr->name)); + return; + } } - - DEBUG(xf86Msg(X_INFO, "v4l: add attr %s\n",attr->name)); - *list = xalloc((*count + 1) * sizeof(XF86AttributeRec)); + + *list = malloc((*count + 1) * sizeof(XF86AttributeRec)); if (NULL == *list) { - *count = 0; - return; + *count = 0; + return; } if (*count) - memcpy(*list, oldlist, *count * sizeof(XF86AttributeRec)); + memcpy(*list, oldlist, *count * sizeof(XF86AttributeRec)); memcpy(*list + *count, attr, sizeof(XF86AttributeRec)); + + gpa = MAKE_ATOM((*list)[*count].name); + xf86Msg(X_INFO, "v4l: add attr %s (Xv/GPA %d) (%d to %d)\n", + attr->name, (int)gpa, attr->min_value, attr->max_value); + (*count)++; } -/* setup yuv overlay + hw scaling: look if we find some common video - format which both v4l driver and the X-Server can handle */ -static void v4l_check_yuv(ScrnInfoPtr pScrn, PortPrivPtr pPPriv, - char *dev, int fd) -{ - static const struct { - unsigned int v4l_palette; - unsigned int v4l_depth; - unsigned int xv_id; - unsigned int xv_format; - } yuvlist[] = { - { VIDEO_PALETTE_YUV422, 16, 0x32595559, XvPacked }, - { VIDEO_PALETTE_UYVY, 16, 0x59565955, XvPacked }, - { 0 /* end of list */ }, - }; - ScreenPtr pScreen = screenInfo.screens[pScrn->scrnIndex]; - int fmt,i; - - pPPriv->format = xf86XVQueryOffscreenImages(pScreen,&pPPriv->nformat); - for (fmt = 0; yuvlist[fmt].v4l_palette != 0; fmt++) { - /* check v4l ... */ - ioctl(fd,VIDIOCGPICT,&pPPriv->pict); - pPPriv->pict.palette = yuvlist[fmt].v4l_palette; - pPPriv->pict.depth = yuvlist[fmt].v4l_depth; - if (-1 == ioctl(fd,VIDIOCSPICT,&pPPriv->pict)) - continue; - ioctl(fd,VIDIOCGPICT,&pPPriv->pict); - if (pPPriv->pict.palette != yuvlist[fmt].v4l_palette) - continue; - /* ... works, check available offscreen image formats now ... */ - for (i = 0; i < pPPriv->nformat; i++) { - if (pPPriv->format[i].image->id == yuvlist[fmt].xv_id && - pPPriv->format[i].image->format == yuvlist[fmt].xv_format) { - /* ... match found, good. */ - pPPriv->yuv_format = yuvlist[fmt].v4l_palette; - pPPriv->myfmt = pPPriv->format+i; - xf86DrvMsg(pScrn->scrnIndex, X_INFO, - "v4l[%s]: using hw video scaling [%4.4s].\n", - dev,(char*)&(pPPriv->format[i].image->id)); - return; - } - } - } -} - static int V4LInit(ScrnInfoPtr pScrn, XF86VideoAdaptorPtr **adaptors) { @@ -904,118 +1132,114 @@ V4LInit(ScrnInfoPtr pScrn, XF86VideoAdap char dev[18]; int fd,i,j,d; - DEBUG(xf86Msg(X_INFO, "v4l: init start\n")); + for (i = 0, d = 0; d < MAX_V4L_DEVICES; d++) { + sprintf(dev, "/dev/video%d", d); + fd = open(dev, O_RDWR, 0); + if (fd == -1) { + sprintf(dev, "/dev/v4l/video%d", d); + fd = open(dev, O_RDWR, 0); + if (fd == -1) + break; + } + DEBUG(xf86Msg(X_INFO, "v4l: %s open ok\n",dev)); - for (i = 0, d = 0; d < MAX_V4L_DEVICES; d++) { - sprintf(dev, "/dev/video%d", d); - fd = open(dev, O_RDWR, 0); - if (fd == -1) { - sprintf(dev, "/dev/v4l/video%d", d); - fd = open(dev, O_RDWR, 0); - if (fd == -1) - break; - } - DEBUG(xf86Msg(X_INFO, "v4l: %s open ok\n",dev)); + /* our private data */ + pPPriv = malloc(sizeof(PortPrivRec)); + if (!pPPriv) + return FALSE; + memset(pPPriv,0,sizeof(PortPrivRec)); + pPPriv->nr = d; - /* our private data */ - pPPriv = xalloc(sizeof(PortPrivRec)); - if (!pPPriv) - return FALSE; - memset(pPPriv,0,sizeof(PortPrivRec)); - pPPriv->nr = d; + /* check device capabilities */ + memset(&pPPriv->cap, 0, sizeof(&pPPriv->cap)); + if (-1 == ioctl(fd, VIDIOC_QUERYCAP, &pPPriv->cap) || + 0 == (pPPriv->cap.capabilities & V4L2_CAP_VIDEO_OVERLAY)) { + xf86Msg(X_ERROR, "v4l: %s: no overlay support\n",dev); + free(pPPriv); + close(fd); + continue; + } - /* check device */ - if (-1 == ioctl(fd,VIDIOCGCAP,&pPPriv->cap) || - 0 == (pPPriv->cap.type & VID_TYPE_OVERLAY)) { - DEBUG(xf86Msg(X_INFO, "v4l: %s: no overlay support\n",dev)); - xfree(pPPriv); - close(fd); - continue; - } - strncpy(V4L_NAME, dev, 16); - V4LBuildEncodings(pPPriv,fd,pPPriv->cap.channels); - if (NULL == pPPriv->enc) - return FALSE; - v4l_check_yuv(pScrn,pPPriv,dev,fd); - - /* alloc VideoAdaptorRec */ - VAR = xrealloc(VAR,sizeof(XF86VideoAdaptorPtr)*(i+1)); - VAR[i] = xalloc(sizeof(XF86VideoAdaptorRec)); - if (!VAR[i]) - return FALSE; - memset(VAR[i],0,sizeof(XF86VideoAdaptorRec)); + if (v4l_check_yuv(pScrn, pPPriv, dev, fd) == FALSE) { + xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, 2, + "Xv Overlay not supported. Can't use v4l driver\n"); + free(pPPriv); + close(fd); + continue; + } + xf86Msg(X_INFO, "v4l: enabling overlay mode for %s.\n", dev); + strncpy(V4L_NAME, dev, 16); + V4LBuildEncodings(pPPriv, fd); + if (NULL == pPPriv->enc) + return FALSE; - /* build attribute list */ - for (j = 0; j < V4L_ATTR; j++) { - /* video attributes */ - v4l_add_attr(&VAR[i]->pAttributes, &VAR[i]->nAttributes, - &Attributes[j]); - } - if (0 == ioctl(fd,VIDIOCGAUDIO,&pPPriv->audio)) { - /* audio attributes */ - if (pPPriv->audio.flags & VIDEO_AUDIO_VOLUME) - v4l_add_attr(&VAR[i]->pAttributes, &VAR[i]->nAttributes, - &VolumeAttr); - if (pPPriv->audio.flags & VIDEO_AUDIO_MUTABLE) - v4l_add_attr(&VAR[i]->pAttributes, &VAR[i]->nAttributes, - &MuteAttr); - } - if (pPPriv->cap.type & VID_TYPE_TUNER) { - /* tuner attributes */ - v4l_add_attr(&VAR[i]->pAttributes, &VAR[i]->nAttributes, - &FreqAttr); - } - if (0 != pPPriv->yuv_format) { - /* pass throuth scaler attributes */ - for (j = 0; j < pPPriv->myfmt->num_attributes; j++) { - v4l_add_attr(&VAR[i]->pAttributes, &VAR[i]->nAttributes, - pPPriv->myfmt->attributes+j); - } - } - - - /* hook in private data */ - Private = xalloc(sizeof(DevUnion)); - if (!Private) - return FALSE; - memset(Private,0,sizeof(DevUnion)); - Private->ptr = (pointer)pPPriv; - VAR[i]->pPortPrivates = Private; - VAR[i]->nPorts = 1; + /* alloc VideoAdaptorRec */ + VAR = realloc(VAR,sizeof(XF86VideoAdaptorPtr)*(i+1)); + VAR[i] = malloc(sizeof(XF86VideoAdaptorRec)); + if (!VAR[i]) + return FALSE; + memset(VAR[i],0,sizeof(XF86VideoAdaptorRec)); - /* init VideoAdaptorRec */ - VAR[i]->type = XvInputMask | XvWindowMask | XvVideoMask; - VAR[i]->name = "video4linux"; - VAR[i]->flags = VIDEO_INVERT_CLIPLIST; + /* build attribute list */ + AddAllV4LControls(pPPriv, &VAR[i]->pAttributes, &VAR[i]->nAttributes, fd); - VAR[i]->PutVideo = V4lPutVideo; - VAR[i]->PutStill = V4lPutStill; - VAR[i]->StopVideo = V4lStopVideo; - VAR[i]->SetPortAttribute = V4lSetPortAttribute; - VAR[i]->GetPortAttribute = V4lGetPortAttribute; - VAR[i]->QueryBestSize = V4lQueryBestSize; + for (j = 0; j < V4L_ATTR; j++) { + /* Other video attributes */ + v4l_add_attr(&VAR[i]->pAttributes, &VAR[i]->nAttributes, + &Attributes[j]); + } + if (pPPriv->cap.capabilities & V4L2_CAP_TUNER) { + /* tuner attributes */ + v4l_add_attr(&VAR[i]->pAttributes, &VAR[i]->nAttributes, + &FreqAttr); + } - VAR[i]->nEncodings = pPPriv->nenc; - VAR[i]->pEncodings = pPPriv->enc; - VAR[i]->nFormats = - sizeof(InputVideoFormats) / sizeof(InputVideoFormats[0]); - VAR[i]->pFormats = InputVideoFormats; + /* Initialize yuv_format */ + if (0 != pPPriv->yuv_format) { + /* pass throuth scaler attributes */ + for (j = 0; j < pPPriv->myfmt->num_attributes; j++) { + v4l_add_attr(&VAR[i]->pAttributes, &VAR[i]->nAttributes, + pPPriv->myfmt->attributes+j); + } + } - if (fd != -1) - close(fd); - i++; + DEBUG(xf86Msg(X_INFO, "v4l: saving config into driver data\n")); + /* hook in private data */ + Private = malloc(sizeof(DevUnion)); + if (!Private) + return FALSE; + memset(Private,0,sizeof(DevUnion)); + Private->ptr = (pointer)pPPriv; + VAR[i]->pPortPrivates = Private; + VAR[i]->nPorts = 1; + + /* init VideoAdaptorRec */ + VAR[i]->type = XvInputMask | XvWindowMask | XvVideoMask; + VAR[i]->name = "video4linux"; + VAR[i]->flags = VIDEO_INVERT_CLIPLIST; + + VAR[i]->PutVideo = V4lPutVideo; + VAR[i]->PutStill = V4lPutStill; + VAR[i]->StopVideo = V4lStopVideo; + VAR[i]->SetPortAttribute = V4lSetPortAttribute; + VAR[i]->GetPortAttribute = V4lGetPortAttribute; + VAR[i]->QueryBestSize = V4lQueryBestSize; + + VAR[i]->nEncodings = pPPriv->nenc; + VAR[i]->pEncodings = pPPriv->enc; + VAR[i]->nFormats = sizeof(InputVideoFormats) / sizeof(InputVideoFormats[0]); + VAR[i]->pFormats = InputVideoFormats; + + if (fd != -1) { + DEBUG(xf86Msg(X_INFO, "v4l: %s init finished.\n",dev)); + close(fd); + } + i++; } xvEncoding = MAKE_ATOM(XV_ENCODING); - xvHue = MAKE_ATOM(XV_HUE); - xvSaturation = MAKE_ATOM(XV_SATURATION); - xvBrightness = MAKE_ATOM(XV_BRIGHTNESS); - xvContrast = MAKE_ATOM(XV_CONTRAST); - xvFreq = MAKE_ATOM(XV_FREQ); - xvMute = MAKE_ATOM(XV_MUTE); - xvVolume = MAKE_ATOM(XV_VOLUME); DEBUG(xf86Msg(X_INFO, "v4l: init done, %d device(s) found\n",i)); @@ -1024,10 +1248,43 @@ V4LInit(ScrnInfoPtr pScrn, XF86VideoAdap } static Bool +V4LDetect(void) +{ + struct v4l2_capability cap; + int fd, d, n = 0; + char dev[18]; + + for (d = 0; d < MAX_V4L_DEVICES; d++) { + sprintf(dev, "/dev/video%d", d); + fd = open(dev, O_RDWR, 0); + if (fd == -1) { + sprintf(dev, "/dev/v4l/video%d", d); + fd = open(dev, O_RDWR, 0); + if (fd == -1) + break; + } + close (fd); + memset(&cap, 0, sizeof(cap)); + if (!ioctl(fd, VIDIOC_QUERYCAP, &cap) && + (cap.capabilities & V4L2_CAP_VIDEO_OVERLAY)) + n++; + } + xf86Msg(X_INFO, "v4l: %d video adapters with overlay support detected\n", n); + + return (n > 0) ? TRUE : FALSE; +} + +static Bool V4LProbe(DriverPtr drv, int flags) { - if (flags & PROBE_DETECT) - return TRUE; + /* + * Don't try to register adapter at the detection phase, as Xv + * extensions won't be there + */ + if (flags == PROBE_DETECT) + return V4LDetect(); + + DEBUG(xf86Msg(X_INFO, "v4l: Initiating device probe\n")); xf86XVRegisterGenericAdaptorDriver(V4LInit); drv->refCount++; diff --git a/src/videodev.h b/src/videodev.h deleted file mode 100644 --- a/src/videodev.h +++ /dev/null @@ -1,254 +0,0 @@ -#ifndef __LINUX_VIDEODEV_H -#define __LINUX_VIDEODEV_H - -/* Linux V4L API, Version 1 - * videodev.h from v4l driver in Linux 2.2.3 - * - * Used here with the explicit permission of the original author, Alan Cox. - * - */ - -#include - -#define VID_TYPE_CAPTURE 1 /* Can capture */ -#define VID_TYPE_TUNER 2 /* Can tune */ -#define VID_TYPE_TELETEXT 4 /* Does teletext */ -#define VID_TYPE_OVERLAY 8 /* Overlay onto frame buffer */ -#define VID_TYPE_CHROMAKEY 16 /* Overlay by chromakey */ -#define VID_TYPE_CLIPPING 32 /* Can clip */ -#define VID_TYPE_FRAMERAM 64 /* Uses the frame buffer memory */ -#define VID_TYPE_SCALES 128 /* Scalable */ -#define VID_TYPE_MONOCHROME 256 /* Monochrome only */ -#define VID_TYPE_SUBCAPTURE 512 /* Can capture subareas of the image */ - -struct video_capability -{ - char name[32]; - int type; - int channels; /* Num channels */ - int audios; /* Num audio devices */ - int maxwidth; /* Supported width */ - int maxheight; /* And height */ - int minwidth; /* Supported width */ - int minheight; /* And height */ -}; - - -struct video_channel -{ - int channel; - char name[32]; - int tuners; - CARD32 flags; -#define VIDEO_VC_TUNER 1 /* Channel has a tuner */ -#define VIDEO_VC_AUDIO 2 /* Channel has audio */ - CARD16 type; -#define VIDEO_TYPE_TV 1 -#define VIDEO_TYPE_CAMERA 2 - CARD16 norm; /* Norm set by channel */ -}; - -struct video_tuner -{ - int tuner; - char name[32]; - unsigned long rangelow, rangehigh; /* Tuner range */ - CARD32 flags; -#define VIDEO_TUNER_PAL 1 -#define VIDEO_TUNER_NTSC 2 -#define VIDEO_TUNER_SECAM 4 -#define VIDEO_TUNER_LOW 8 /* Uses KHz not MHz */ -#define VIDEO_TUNER_NORM 16 /* Tuner can set norm */ -#define VIDEO_TUNER_STEREO_ON 128 /* Tuner is seeing stereo */ - CARD16 mode; /* PAL/NTSC/SECAM/OTHER */ -#define VIDEO_MODE_PAL 0 -#define VIDEO_MODE_NTSC 1 -#define VIDEO_MODE_SECAM 2 -#define VIDEO_MODE_AUTO 3 - CARD16 signal; /* Signal strength 16bit scale */ -}; - -struct video_picture -{ - CARD16 brightness; - CARD16 hue; - CARD16 colour; - CARD16 contrast; - CARD16 whiteness; /* Black and white only */ - CARD16 depth; /* Capture depth */ - CARD16 palette; /* Palette in use */ -#define VIDEO_PALETTE_GREY 1 /* Linear greyscale */ -#define VIDEO_PALETTE_HI240 2 /* High 240 cube (BT848) */ -#define VIDEO_PALETTE_RGB565 3 /* 565 16 bit RGB */ -#define VIDEO_PALETTE_RGB24 4 /* 24bit RGB */ -#define VIDEO_PALETTE_RGB32 5 /* 32bit RGB */ -#define VIDEO_PALETTE_RGB555 6 /* 555 15bit RGB */ -#define VIDEO_PALETTE_YUV422 7 /* YUV422 capture */ -#define VIDEO_PALETTE_YUYV 8 -#define VIDEO_PALETTE_UYVY 9 /* The great thing about standards is ... */ -#define VIDEO_PALETTE_YUV420 10 -#define VIDEO_PALETTE_YUV411 11 /* YUV411 capture */ -#define VIDEO_PALETTE_RAW 12 /* RAW capture (BT848) */ -#define VIDEO_PALETTE_YUV422P 13 /* YUV 4:2:2 Planar */ -#define VIDEO_PALETTE_YUV411P 14 /* YUV 4:1:1 Planar */ -#define VIDEO_PALETTE_YUV420P 15 /* YUV 4:2:0 Planar */ -#define VIDEO_PALETTE_YUV410P 16 /* YUV 4:1:0 Planar */ -#define VIDEO_PALETTE_PLANAR 13 /* start of planar entries */ -#define VIDEO_PALETTE_COMPONENT 7 /* start of component entries */ -}; - -struct video_audio -{ - int audio; /* Audio channel */ - CARD16 volume; /* If settable */ - CARD16 bass, treble; - CARD32 flags; -#define VIDEO_AUDIO_MUTE 1 -#define VIDEO_AUDIO_MUTABLE 2 -#define VIDEO_AUDIO_VOLUME 4 -#define VIDEO_AUDIO_BASS 8 -#define VIDEO_AUDIO_TREBLE 16 - char name[16]; -#define VIDEO_SOUND_MONO 1 -#define VIDEO_SOUND_STEREO 2 -#define VIDEO_SOUND_LANG1 4 -#define VIDEO_SOUND_LANG2 8 - CARD16 mode; - CARD16 balance; /* Stereo balance */ - CARD16 step; /* Step actual volume uses */ -}; - -struct video_clip -{ - INT32 x,y; - INT32 width, height; - struct video_clip *next; /* For user use/driver use only */ -}; - -struct video_window -{ - CARD32 x,y; /* Position of window */ - CARD32 width,height; /* Its size */ - CARD32 chromakey; - CARD32 flags; - struct video_clip *clips; /* Set only */ - int clipcount; -#define VIDEO_WINDOW_INTERLACE 1 -#define VIDEO_CLIP_BITMAP -1 -/* bitmap is 1024x625, a '1' bit represents a clipped pixel */ -#define VIDEO_CLIPMAP_SIZE (128 * 625) -}; - -struct video_capture -{ - CARD32 x,y; /* Offsets into image */ - CARD32 width, height; /* Area to capture */ - CARD16 decimation; /* Decimation divder */ - CARD16 flags; /* Flags for capture */ -#define VIDEO_CAPTURE_ODD 0 /* Temporal */ -#define VIDEO_CAPTURE_EVEN 1 -}; - -struct video_buffer -{ - void *base; - int height,width; - int depth; - int bytesperline; -}; - -struct video_mmap -{ - unsigned int frame; /* Frame (0 - n) for double buffer */ - int height,width; - unsigned int format; /* should be VIDEO_PALETTE_* */ -}; - -struct video_key -{ - CARD8 key[8]; - CARD32 flags; -}; - - -#define VIDEO_MAX_FRAME 32 - -struct video_mbuf -{ - int size; /* Total memory to map */ - int frames; /* Frames */ - int offsets[VIDEO_MAX_FRAME]; -}; - - -#define VIDEO_NO_UNIT (-1) - - -struct video_unit -{ - int video; /* Video minor */ - int vbi; /* VBI minor */ - int radio; /* Radio minor */ - int audio; /* Audio minor */ - int teletext; /* Teletext minor */ -}; - -#define VIDIOCGCAP _IOR('v',1,struct video_capability) /* Get capabilities */ -#define VIDIOCGCHAN _IOWR('v',2,struct video_channel) /* Get channel info (sources) */ -#define VIDIOCSCHAN _IOW('v',3,struct video_channel) /* Set channel */ -#define VIDIOCGTUNER _IOWR('v',4,struct video_tuner) /* Get tuner abilities */ -#define VIDIOCSTUNER _IOW('v',5,struct video_tuner) /* Tune the tuner for the current channel */ -#define VIDIOCGPICT _IOR('v',6,struct video_picture) /* Get picture properties */ -#define VIDIOCSPICT _IOW('v',7,struct video_picture) /* Set picture properties */ -#define VIDIOCCAPTURE _IOW('v',8,int) /* Start, end capture */ -#define VIDIOCGWIN _IOR('v',9, struct video_window) /* Set the video overlay window */ -#define VIDIOCSWIN _IOW('v',10, struct video_window) /* Set the video overlay window - passes clip list for hardware smarts , chromakey etc */ -#define VIDIOCGFBUF _IOR('v',11, struct video_buffer) /* Get frame buffer */ -#define VIDIOCSFBUF _IOW('v',12, struct video_buffer) /* Set frame buffer - root only */ -#define VIDIOCKEY _IOR('v',13, struct video_key) /* Video key event - to dev 255 is to all - cuts capture on all DMA windows with this key (0xFFFFFFFF == all) */ -#define VIDIOCGFREQ _IOR('v',14, unsigned long) /* Set tuner */ -#define VIDIOCSFREQ _IOW('v',15, unsigned long) /* Set tuner */ -#define VIDIOCGAUDIO _IOR('v',16, struct video_audio) /* Get audio info */ -#define VIDIOCSAUDIO _IOW('v',17, struct video_audio) /* Audio source, mute etc */ -#define VIDIOCSYNC _IOW('v',18, int) /* Sync with mmap grabbing */ -#define VIDIOCMCAPTURE _IOW('v',19, struct video_mmap) /* Grab frames */ -#define VIDIOCGMBUF _IOR('v', 20, struct video_mbuf) /* Memory map buffer info */ -#define VIDIOCGUNIT _IOR('v', 21, struct video_unit) /* Get attached units */ -#define VIDIOCGCAPTURE _IOR('v',22, struct video_capture) /* Get frame buffer */ -#define VIDIOCSCAPTURE _IOW('v',23, struct video_capture) /* Set frame buffer - root only */ - -#define BASE_VIDIOCPRIVATE 192 /* 192-255 are private */ - - -#define VID_HARDWARE_BT848 1 -#define VID_HARDWARE_QCAM_BW 2 -#define VID_HARDWARE_PMS 3 -#define VID_HARDWARE_QCAM_C 4 -#define VID_HARDWARE_PSEUDO 5 -#define VID_HARDWARE_SAA5249 6 -#define VID_HARDWARE_AZTECH 7 -#define VID_HARDWARE_SF16MI 8 -#define VID_HARDWARE_RTRACK 9 -#define VID_HARDWARE_ZOLTRIX 10 -#define VID_HARDWARE_SAA7146 11 -#define VID_HARDWARE_VIDEUM 12 /* Reserved for Winnov videum */ -#define VID_HARDWARE_RTRACK2 13 -#define VID_HARDWARE_PERMEDIA2 14 /* Reserved for Permedia2 */ -#define VID_HARDWARE_RIVA128 15 /* Reserved for RIVA 128 */ -#define VID_HARDWARE_PLANB 16 /* PowerMac motherboard video-in */ -#define VID_HARDWARE_BROADWAY 17 /* Broadway project */ -#define VID_HARDWARE_GEMTEK 18 -#define VID_HARDWARE_TYPHOON 19 -#define VID_HARDWARE_VINO 20 /* Reserved for SGI Indy Vino */ - -/* - * Initialiser list - */ - -struct video_init -{ - char *name; - int (*init)(struct video_init *); -}; - -#endif diff --git a/src/videodev2.h b/src/videodev2.h new file mode 100644 --- /dev/null +++ b/src/videodev2.h @@ -0,0 +1,1929 @@ +/* + * Video for Linux Two header file + * + * Copyright (C) 1999-2007 the contributors + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program 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 General Public License for more details. + * + * Alternatively you can redistribute this file under the terms of the + * BSD license as stated below: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. The names of its contributors may not be used to endorse or promote + * products derived from this software without specific prior written + * permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Header file for v4l or V4L2 drivers and applications + * with public API. + * All kernel-specific stuff were moved to media/v4l2-dev.h, so + * no #if __KERNEL tests are allowed here + * + * See http://linuxtv.org for more info + * + * Author: Bill Dirks + * Justin Schoeman + * Hans Verkuil + * et al. + */ +#ifndef __LINUX_VIDEODEV2_H +#define __LINUX_VIDEODEV2_H + +#include +#include +#include + +/* + * Common stuff for both V4L1 and V4L2 + * Moved from videodev.h + */ +#define VIDEO_MAX_FRAME 32 +#define VIDEO_MAX_PLANES 8 + +/* These defines are V4L1 specific and should not be used with the V4L2 API! + They will be removed from this header in the future. */ + +#define VID_TYPE_CAPTURE 1 /* Can capture */ +#define VID_TYPE_TUNER 2 /* Can tune */ +#define VID_TYPE_TELETEXT 4 /* Does teletext */ +#define VID_TYPE_OVERLAY 8 /* Overlay onto frame buffer */ +#define VID_TYPE_CHROMAKEY 16 /* Overlay by chromakey */ +#define VID_TYPE_CLIPPING 32 /* Can clip */ +#define VID_TYPE_FRAMERAM 64 /* Uses the frame buffer memory */ +#define VID_TYPE_SCALES 128 /* Scalable */ +#define VID_TYPE_MONOCHROME 256 /* Monochrome only */ +#define VID_TYPE_SUBCAPTURE 512 /* Can capture subareas of the image */ +#define VID_TYPE_MPEG_DECODER 1024 /* Can decode MPEG streams */ +#define VID_TYPE_MPEG_ENCODER 2048 /* Can encode MPEG streams */ +#define VID_TYPE_MJPEG_DECODER 4096 /* Can decode MJPEG streams */ +#define VID_TYPE_MJPEG_ENCODER 8192 /* Can encode MJPEG streams */ + +/* + * M I S C E L L A N E O U S + */ + +/* Four-character-code (FOURCC) */ +#define v4l2_fourcc(a, b, c, d)\ + ((__u32)(a) | ((__u32)(b) << 8) | ((__u32)(c) << 16) | ((__u32)(d) << 24)) + +/* + * E N U M S + */ +enum v4l2_field { + V4L2_FIELD_ANY = 0, /* driver can choose from none, + top, bottom, interlaced + depending on whatever it thinks + is approximate ... */ + V4L2_FIELD_NONE = 1, /* this device has no fields ... */ + V4L2_FIELD_TOP = 2, /* top field only */ + V4L2_FIELD_BOTTOM = 3, /* bottom field only */ + V4L2_FIELD_INTERLACED = 4, /* both fields interlaced */ + V4L2_FIELD_SEQ_TB = 5, /* both fields sequential into one + buffer, top-bottom order */ + V4L2_FIELD_SEQ_BT = 6, /* same as above + bottom-top order */ + V4L2_FIELD_ALTERNATE = 7, /* both fields alternating into + separate buffers */ + V4L2_FIELD_INTERLACED_TB = 8, /* both fields interlaced, top field + first and the top field is + transmitted first */ + V4L2_FIELD_INTERLACED_BT = 9, /* both fields interlaced, top field + first and the bottom field is + transmitted first */ +}; +#define V4L2_FIELD_HAS_TOP(field) \ + ((field) == V4L2_FIELD_TOP ||\ + (field) == V4L2_FIELD_INTERLACED ||\ + (field) == V4L2_FIELD_INTERLACED_TB ||\ + (field) == V4L2_FIELD_INTERLACED_BT ||\ + (field) == V4L2_FIELD_SEQ_TB ||\ + (field) == V4L2_FIELD_SEQ_BT) +#define V4L2_FIELD_HAS_BOTTOM(field) \ + ((field) == V4L2_FIELD_BOTTOM ||\ + (field) == V4L2_FIELD_INTERLACED ||\ + (field) == V4L2_FIELD_INTERLACED_TB ||\ + (field) == V4L2_FIELD_INTERLACED_BT ||\ + (field) == V4L2_FIELD_SEQ_TB ||\ + (field) == V4L2_FIELD_SEQ_BT) +#define V4L2_FIELD_HAS_BOTH(field) \ + ((field) == V4L2_FIELD_INTERLACED ||\ + (field) == V4L2_FIELD_INTERLACED_TB ||\ + (field) == V4L2_FIELD_INTERLACED_BT ||\ + (field) == V4L2_FIELD_SEQ_TB ||\ + (field) == V4L2_FIELD_SEQ_BT) + +enum v4l2_buf_type { + V4L2_BUF_TYPE_VIDEO_CAPTURE = 1, + V4L2_BUF_TYPE_VIDEO_OUTPUT = 2, + V4L2_BUF_TYPE_VIDEO_OVERLAY = 3, + V4L2_BUF_TYPE_VBI_CAPTURE = 4, + V4L2_BUF_TYPE_VBI_OUTPUT = 5, + V4L2_BUF_TYPE_SLICED_VBI_CAPTURE = 6, + V4L2_BUF_TYPE_SLICED_VBI_OUTPUT = 7, +#if 1 + /* Experimental */ + V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8, +#endif + V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE = 9, + V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE = 10, + V4L2_BUF_TYPE_PRIVATE = 0x80, +}; + +#define V4L2_TYPE_IS_MULTIPLANAR(type) \ + ((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE \ + || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) + +#define V4L2_TYPE_IS_OUTPUT(type) \ + ((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT \ + || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE \ + || (type) == V4L2_BUF_TYPE_VIDEO_OVERLAY \ + || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY \ + || (type) == V4L2_BUF_TYPE_VBI_OUTPUT \ + || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT) + +enum v4l2_tuner_type { + V4L2_TUNER_RADIO = 1, + V4L2_TUNER_ANALOG_TV = 2, + V4L2_TUNER_DIGITAL_TV = 3, +}; + +enum v4l2_memory { + V4L2_MEMORY_MMAP = 1, + V4L2_MEMORY_USERPTR = 2, + V4L2_MEMORY_OVERLAY = 3, +}; + +/* see also http://vektor.theorem.ca/graphics/ycbcr/ */ +enum v4l2_colorspace { + /* ITU-R 601 -- broadcast NTSC/PAL */ + V4L2_COLORSPACE_SMPTE170M = 1, + + /* 1125-Line (US) HDTV */ + V4L2_COLORSPACE_SMPTE240M = 2, + + /* HD and modern captures. */ + V4L2_COLORSPACE_REC709 = 3, + + /* broken BT878 extents (601, luma range 16-253 instead of 16-235) */ + V4L2_COLORSPACE_BT878 = 4, + + /* These should be useful. Assume 601 extents. */ + V4L2_COLORSPACE_470_SYSTEM_M = 5, + V4L2_COLORSPACE_470_SYSTEM_BG = 6, + + /* I know there will be cameras that send this. So, this is + * unspecified chromaticities and full 0-255 on each of the + * Y'CbCr components + */ + V4L2_COLORSPACE_JPEG = 7, + + /* For RGB colourspaces, this is probably a good start. */ + V4L2_COLORSPACE_SRGB = 8, +}; + +enum v4l2_priority { + V4L2_PRIORITY_UNSET = 0, /* not initialized */ + V4L2_PRIORITY_BACKGROUND = 1, + V4L2_PRIORITY_INTERACTIVE = 2, + V4L2_PRIORITY_RECORD = 3, + V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE, +}; + +struct v4l2_rect { + __s32 left; + __s32 top; + __s32 width; + __s32 height; +}; + +struct v4l2_fract { + __u32 numerator; + __u32 denominator; +}; + +/* + * D R I V E R C A P A B I L I T I E S + */ +struct v4l2_capability { + __u8 driver[16]; /* i.e. "bttv" */ + __u8 card[32]; /* i.e. "Hauppauge WinTV" */ + __u8 bus_info[32]; /* "PCI:" + pci_name(pci_dev) */ + __u32 version; /* should use KERNEL_VERSION() */ + __u32 capabilities; /* Device capabilities */ + __u32 reserved[4]; +}; + +/* Values for 'capabilities' field */ +#define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */ +#define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */ +#define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */ +#define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */ +#define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */ +#define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */ +#define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */ +#define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */ +#define V4L2_CAP_VIDEO_OUTPUT_OVERLAY 0x00000200 /* Can do video output overlay */ +#define V4L2_CAP_HW_FREQ_SEEK 0x00000400 /* Can do hardware frequency seek */ +#define V4L2_CAP_RDS_OUTPUT 0x00000800 /* Is an RDS encoder */ + +/* Is a video capture device that supports multiplanar formats */ +#define V4L2_CAP_VIDEO_CAPTURE_MPLANE 0x00001000 +/* Is a video output device that supports multiplanar formats */ +#define V4L2_CAP_VIDEO_OUTPUT_MPLANE 0x00002000 + +#define V4L2_CAP_TUNER 0x00010000 /* has a tuner */ +#define V4L2_CAP_AUDIO 0x00020000 /* has audio support */ +#define V4L2_CAP_RADIO 0x00040000 /* is a radio device */ +#define V4L2_CAP_MODULATOR 0x00080000 /* has a modulator */ + +#define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */ +#define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */ +#define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */ + +/* + * V I D E O I M A G E F O R M A T + */ +struct v4l2_pix_format { + __u32 width; + __u32 height; + __u32 pixelformat; + enum v4l2_field field; + __u32 bytesperline; /* for padding, zero if unused */ + __u32 sizeimage; + enum v4l2_colorspace colorspace; + __u32 priv; /* private data, depends on pixelformat */ +}; + +/* Pixel format FOURCC depth Description */ + +/* RGB formats */ +#define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R', 'G', 'B', '1') /* 8 RGB-3-3-2 */ +#define V4L2_PIX_FMT_RGB444 v4l2_fourcc('R', '4', '4', '4') /* 16 xxxxrrrr ggggbbbb */ +#define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R', 'G', 'B', 'O') /* 16 RGB-5-5-5 */ +#define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P') /* 16 RGB-5-6-5 */ +#define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16 RGB-5-5-5 BE */ +#define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16 RGB-5-6-5 BE */ +#define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H') /* 18 BGR-6-6-6 */ +#define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3') /* 24 BGR-8-8-8 */ +#define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3') /* 24 RGB-8-8-8 */ +#define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4') /* 32 BGR-8-8-8-8 */ +#define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R', 'G', 'B', '4') /* 32 RGB-8-8-8-8 */ + +/* Grey formats */ +#define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y') /* 8 Greyscale */ +#define V4L2_PIX_FMT_Y4 v4l2_fourcc('Y', '0', '4', ' ') /* 4 Greyscale */ +#define V4L2_PIX_FMT_Y6 v4l2_fourcc('Y', '0', '6', ' ') /* 6 Greyscale */ +#define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */ +#define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ') /* 16 Greyscale */ + +/* Palette formats */ +#define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */ + +/* Luminance+Chrominance formats */ +#define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9') /* 9 YVU 4:1:0 */ +#define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2') /* 12 YVU 4:2:0 */ +#define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16 YUV 4:2:2 */ +#define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16 YUV 4:2:2 */ +#define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */ +#define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16 YUV 4:2:2 */ +#define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16 YUV 4:2:2 */ +#define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16 YVU422 planar */ +#define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 16 YVU411 planar */ +#define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P') /* 12 YUV 4:1:1 */ +#define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4') /* 16 xxxxyyyy uuuuvvvv */ +#define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */ +#define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */ +#define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */ +#define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9') /* 9 YUV 4:1:0 */ +#define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2') /* 12 YUV 4:2:0 */ +#define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4') /* 8 8-bit color */ +#define V4L2_PIX_FMT_HM12 v4l2_fourcc('H', 'M', '1', '2') /* 8 YUV 4:2:0 16x16 macroblocks */ + +/* two planes -- one Y, one Cr + Cb interleaved */ +#define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */ +#define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */ +#define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6') /* 16 Y/CbCr 4:2:2 */ +#define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1') /* 16 Y/CrCb 4:2:2 */ + +/* two non contiguous planes - one Y, one Cr + Cb interleaved */ +#define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 */ +#define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 macroblocks */ + +/* three non contiguous planes - Y, Cb, Cr */ +#define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12 YUV420 planar */ + +/* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */ +#define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */ +#define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */ +#define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */ +#define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') /* 8 RGRG.. GBGB.. */ +#define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10 BGBG.. GRGR.. */ +#define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10 GBGB.. RGRG.. */ +#define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10 GRGR.. BGBG.. */ +#define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10 RGRG.. GBGB.. */ + /* 10bit raw bayer DPCM compressed to 8 bits */ +#define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0') + /* + * 10bit raw bayer, expanded to 16 bits + * xxxxrrrrrrrrrrxxxxgggggggggg xxxxggggggggggxxxxbbbbbbbbbb... + */ +#define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */ + +/* compressed formats */ +#define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */ +#define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */ +#define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */ +#define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 */ + +/* Vendor-specific formats */ +#define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */ +#define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */ +#define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */ +#define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */ +#define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */ +#define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */ +#define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */ +#define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */ +#define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */ +#define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */ +#define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */ +#define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */ +#define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */ +#define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */ +#define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */ +#define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */ +#define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */ +#define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */ +#define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */ +#define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */ +#define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */ +#define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */ + +/* + * F O R M A T E N U M E R A T I O N + */ +struct v4l2_fmtdesc { + __u32 index; /* Format number */ + enum v4l2_buf_type type; /* buffer type */ + __u32 flags; + __u8 description[32]; /* Description string */ + __u32 pixelformat; /* Format fourcc */ + __u32 reserved[4]; +}; + +#define V4L2_FMT_FLAG_COMPRESSED 0x0001 +#define V4L2_FMT_FLAG_EMULATED 0x0002 + +#if 1 + /* Experimental Frame Size and frame rate enumeration */ +/* + * F R A M E S I Z E E N U M E R A T I O N + */ +enum v4l2_frmsizetypes { + V4L2_FRMSIZE_TYPE_DISCRETE = 1, + V4L2_FRMSIZE_TYPE_CONTINUOUS = 2, + V4L2_FRMSIZE_TYPE_STEPWISE = 3, +}; + +struct v4l2_frmsize_discrete { + __u32 width; /* Frame width [pixel] */ + __u32 height; /* Frame height [pixel] */ +}; + +struct v4l2_frmsize_stepwise { + __u32 min_width; /* Minimum frame width [pixel] */ + __u32 max_width; /* Maximum frame width [pixel] */ + __u32 step_width; /* Frame width step size [pixel] */ + __u32 min_height; /* Minimum frame height [pixel] */ + __u32 max_height; /* Maximum frame height [pixel] */ + __u32 step_height; /* Frame height step size [pixel] */ +}; + +struct v4l2_frmsizeenum { + __u32 index; /* Frame size number */ + __u32 pixel_format; /* Pixel format */ + __u32 type; /* Frame size type the device supports. */ + + union { /* Frame size */ + struct v4l2_frmsize_discrete discrete; + struct v4l2_frmsize_stepwise stepwise; + }; + + __u32 reserved[2]; /* Reserved space for future use */ +}; + +/* + * F R A M E R A T E E N U M E R A T I O N + */ +enum v4l2_frmivaltypes { + V4L2_FRMIVAL_TYPE_DISCRETE = 1, + V4L2_FRMIVAL_TYPE_CONTINUOUS = 2, + V4L2_FRMIVAL_TYPE_STEPWISE = 3, +}; + +struct v4l2_frmival_stepwise { + struct v4l2_fract min; /* Minimum frame interval [s] */ + struct v4l2_fract max; /* Maximum frame interval [s] */ + struct v4l2_fract step; /* Frame interval step size [s] */ +}; + +struct v4l2_frmivalenum { + __u32 index; /* Frame format index */ + __u32 pixel_format; /* Pixel format */ + __u32 width; /* Frame width */ + __u32 height; /* Frame height */ + __u32 type; /* Frame interval type the device supports. */ + + union { /* Frame interval */ + struct v4l2_fract discrete; + struct v4l2_frmival_stepwise stepwise; + }; + + __u32 reserved[2]; /* Reserved space for future use */ +}; +#endif + +/* + * T I M E C O D E + */ +struct v4l2_timecode { + __u32 type; + __u32 flags; + __u8 frames; + __u8 seconds; + __u8 minutes; + __u8 hours; + __u8 userbits[4]; +}; + +/* Type */ +#define V4L2_TC_TYPE_24FPS 1 +#define V4L2_TC_TYPE_25FPS 2 +#define V4L2_TC_TYPE_30FPS 3 +#define V4L2_TC_TYPE_50FPS 4 +#define V4L2_TC_TYPE_60FPS 5 + +/* Flags */ +#define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */ +#define V4L2_TC_FLAG_COLORFRAME 0x0002 +#define V4L2_TC_USERBITS_field 0x000C +#define V4L2_TC_USERBITS_USERDEFINED 0x0000 +#define V4L2_TC_USERBITS_8BITCHARS 0x0008 +/* The above is based on SMPTE timecodes */ + +struct v4l2_jpegcompression { + int quality; + + int APPn; /* Number of APP segment to be written, + * must be 0..15 */ + int APP_len; /* Length of data in JPEG APPn segment */ + char APP_data[60]; /* Data in the JPEG APPn segment. */ + + int COM_len; /* Length of data in JPEG COM segment */ + char COM_data[60]; /* Data in JPEG COM segment */ + + __u32 jpeg_markers; /* Which markers should go into the JPEG + * output. Unless you exactly know what + * you do, leave them untouched. + * Inluding less markers will make the + * resulting code smaller, but there will + * be fewer applications which can read it. + * The presence of the APP and COM marker + * is influenced by APP_len and COM_len + * ONLY, not by this property! */ + +#define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */ +#define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */ +#define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */ +#define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */ +#define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will + * allways use APP0 */ +}; + +/* + * M E M O R Y - M A P P I N G B U F F E R S + */ +struct v4l2_requestbuffers { + __u32 count; + enum v4l2_buf_type type; + enum v4l2_memory memory; + __u32 reserved[2]; +}; + +/** + * struct v4l2_plane - plane info for multi-planar buffers + * @bytesused: number of bytes occupied by data in the plane (payload) + * @length: size of this plane (NOT the payload) in bytes + * @mem_offset: when memory in the associated struct v4l2_buffer is + * V4L2_MEMORY_MMAP, equals the offset from the start of + * the device memory for this plane (or is a "cookie" that + * should be passed to mmap() called on the video node) + * @userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer + * pointing to this plane + * @data_offset: offset in the plane to the start of data; usually 0, + * unless there is a header in front of the data + * + * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer + * with two planes can have one plane for Y, and another for interleaved CbCr + * components. Each plane can reside in a separate memory buffer, or even in + * a completely separate memory node (e.g. in embedded devices). + */ +struct v4l2_plane { + __u32 bytesused; + __u32 length; + union { + __u32 mem_offset; + unsigned long userptr; + } m; + __u32 data_offset; + __u32 reserved[11]; +}; + +/** + * struct v4l2_buffer - video buffer info + * @index: id number of the buffer + * @type: buffer type (type == *_MPLANE for multiplanar buffers) + * @bytesused: number of bytes occupied by data in the buffer (payload); + * unused (set to 0) for multiplanar buffers + * @flags: buffer informational flags + * @field: field order of the image in the buffer + * @timestamp: frame timestamp + * @timecode: frame timecode + * @sequence: sequence count of this frame + * @memory: the method, in which the actual video data is passed + * @offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP; + * offset from the start of the device memory for this plane, + * (or a "cookie" that should be passed to mmap() as offset) + * @userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR; + * a userspace pointer pointing to this buffer + * @planes: for multiplanar buffers; userspace pointer to the array of plane + * info structs for this buffer + * @length: size in bytes of the buffer (NOT its payload) for single-plane + * buffers (when type != *_MPLANE); number of elements in the + * planes array for multi-plane buffers + * @input: input number from which the video data has has been captured + * + * Contains data exchanged by application and driver using one of the Streaming + * I/O methods. + */ +struct v4l2_buffer { + __u32 index; + enum v4l2_buf_type type; + __u32 bytesused; + __u32 flags; + enum v4l2_field field; + struct timeval timestamp; + struct v4l2_timecode timecode; + __u32 sequence; + + /* memory location */ + enum v4l2_memory memory; + union { + __u32 offset; + unsigned long userptr; + struct v4l2_plane *planes; + } m; + __u32 length; + __u32 input; + __u32 reserved; +}; + +/* Flags for 'flags' field */ +#define V4L2_BUF_FLAG_MAPPED 0x0001 /* Buffer is mapped (flag) */ +#define V4L2_BUF_FLAG_QUEUED 0x0002 /* Buffer is queued for processing */ +#define V4L2_BUF_FLAG_DONE 0x0004 /* Buffer is ready */ +#define V4L2_BUF_FLAG_KEYFRAME 0x0008 /* Image is a keyframe (I-frame) */ +#define V4L2_BUF_FLAG_PFRAME 0x0010 /* Image is a P-frame */ +#define V4L2_BUF_FLAG_BFRAME 0x0020 /* Image is a B-frame */ +/* Buffer is ready, but the data contained within is corrupted. */ +#define V4L2_BUF_FLAG_ERROR 0x0040 +#define V4L2_BUF_FLAG_TIMECODE 0x0100 /* timecode field is valid */ +#define V4L2_BUF_FLAG_INPUT 0x0200 /* input field is valid */ + +/* + * O V E R L A Y P R E V I E W + */ +struct v4l2_framebuffer { + __u32 capability; + __u32 flags; +/* FIXME: in theory we should pass something like PCI device + memory + * region + offset instead of some physical address */ + void *base; + struct v4l2_pix_format fmt; +}; +/* Flags for the 'capability' field. Read only */ +#define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001 +#define V4L2_FBUF_CAP_CHROMAKEY 0x0002 +#define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004 +#define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008 +#define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010 +#define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020 +#define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040 +#define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080 +/* Flags for the 'flags' field. */ +#define V4L2_FBUF_FLAG_PRIMARY 0x0001 +#define V4L2_FBUF_FLAG_OVERLAY 0x0002 +#define V4L2_FBUF_FLAG_CHROMAKEY 0x0004 +#define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008 +#define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010 +#define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020 +#define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040 + +struct v4l2_clip { + struct v4l2_rect c; + struct v4l2_clip *next; +}; + +struct v4l2_window { + struct v4l2_rect w; + enum v4l2_field field; + __u32 chromakey; + struct v4l2_clip *clips; + __u32 clipcount; + void *bitmap; + __u8 global_alpha; +}; + +/* + * C A P T U R E P A R A M E T E R S + */ +struct v4l2_captureparm { + __u32 capability; /* Supported modes */ + __u32 capturemode; /* Current mode */ + struct v4l2_fract timeperframe; /* Time per frame in .1us units */ + __u32 extendedmode; /* Driver-specific extensions */ + __u32 readbuffers; /* # of buffers for read */ + __u32 reserved[4]; +}; + +/* Flags for 'capability' and 'capturemode' fields */ +#define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */ +#define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */ + +struct v4l2_outputparm { + __u32 capability; /* Supported modes */ + __u32 outputmode; /* Current mode */ + struct v4l2_fract timeperframe; /* Time per frame in seconds */ + __u32 extendedmode; /* Driver-specific extensions */ + __u32 writebuffers; /* # of buffers for write */ + __u32 reserved[4]; +}; + +/* + * I N P U T I M A G E C R O P P I N G + */ +struct v4l2_cropcap { + enum v4l2_buf_type type; + struct v4l2_rect bounds; + struct v4l2_rect defrect; + struct v4l2_fract pixelaspect; +}; + +struct v4l2_crop { + enum v4l2_buf_type type; + struct v4l2_rect c; +}; + +/* + * A N A L O G V I D E O S T A N D A R D + */ + +typedef __u64 v4l2_std_id; + +/* one bit for each */ +#define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001) +#define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002) +#define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004) +#define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008) +#define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010) +#define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020) +#define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040) +#define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080) + +#define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100) +#define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200) +#define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400) +#define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800) + +#define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) +#define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) +#define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000) +#define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) + +#define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000) +#define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000) +#define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000) +#define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000) +#define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000) +#define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000) +#define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000) +#define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000) + +/* ATSC/HDTV */ +#define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000) +#define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000) + +/* FIXME: + Although std_id is 64 bits, there is an issue on PPC32 architecture that + makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding + this value to 32 bits. + As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide), + it should work fine. However, if needed to add more than two standards, + v4l2-common.c should be fixed. + */ + +/* some merged standards */ +#define V4L2_STD_MN (V4L2_STD_PAL_M|V4L2_STD_PAL_N|V4L2_STD_PAL_Nc|V4L2_STD_NTSC) +#define V4L2_STD_B (V4L2_STD_PAL_B|V4L2_STD_PAL_B1|V4L2_STD_SECAM_B) +#define V4L2_STD_GH (V4L2_STD_PAL_G|V4L2_STD_PAL_H|V4L2_STD_SECAM_G|V4L2_STD_SECAM_H) +#define V4L2_STD_DK (V4L2_STD_PAL_DK|V4L2_STD_SECAM_DK) + +/* some common needed stuff */ +#define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\ + V4L2_STD_PAL_B1 |\ + V4L2_STD_PAL_G) +#define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\ + V4L2_STD_PAL_D1 |\ + V4L2_STD_PAL_K) +#define V4L2_STD_PAL (V4L2_STD_PAL_BG |\ + V4L2_STD_PAL_DK |\ + V4L2_STD_PAL_H |\ + V4L2_STD_PAL_I) +#define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\ + V4L2_STD_NTSC_M_JP |\ + V4L2_STD_NTSC_M_KR) +#define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\ + V4L2_STD_SECAM_K |\ + V4L2_STD_SECAM_K1) +#define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\ + V4L2_STD_SECAM_G |\ + V4L2_STD_SECAM_H |\ + V4L2_STD_SECAM_DK |\ + V4L2_STD_SECAM_L |\ + V4L2_STD_SECAM_LC) + +#define V4L2_STD_525_60 (V4L2_STD_PAL_M |\ + V4L2_STD_PAL_60 |\ + V4L2_STD_NTSC |\ + V4L2_STD_NTSC_443) +#define V4L2_STD_625_50 (V4L2_STD_PAL |\ + V4L2_STD_PAL_N |\ + V4L2_STD_PAL_Nc |\ + V4L2_STD_SECAM) +#define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\ + V4L2_STD_ATSC_16_VSB) + +#define V4L2_STD_UNKNOWN 0 +#define V4L2_STD_ALL (V4L2_STD_525_60 |\ + V4L2_STD_625_50) + +struct v4l2_standard { + __u32 index; + v4l2_std_id id; + __u8 name[24]; + struct v4l2_fract frameperiod; /* Frames, not fields */ + __u32 framelines; + __u32 reserved[4]; +}; + +/* + * V I D E O T I M I N G S D V P R E S E T + */ +struct v4l2_dv_preset { + __u32 preset; + __u32 reserved[4]; +}; + +/* + * D V P R E S E T S E N U M E R A T I O N + */ +struct v4l2_dv_enum_preset { + __u32 index; + __u32 preset; + __u8 name[32]; /* Name of the preset timing */ + __u32 width; + __u32 height; + __u32 reserved[4]; +}; + +/* + * D V P R E S E T V A L U E S + */ +#define V4L2_DV_INVALID 0 +#define V4L2_DV_480P59_94 1 /* BT.1362 */ +#define V4L2_DV_576P50 2 /* BT.1362 */ +#define V4L2_DV_720P24 3 /* SMPTE 296M */ +#define V4L2_DV_720P25 4 /* SMPTE 296M */ +#define V4L2_DV_720P30 5 /* SMPTE 296M */ +#define V4L2_DV_720P50 6 /* SMPTE 296M */ +#define V4L2_DV_720P59_94 7 /* SMPTE 274M */ +#define V4L2_DV_720P60 8 /* SMPTE 274M/296M */ +#define V4L2_DV_1080I29_97 9 /* BT.1120/ SMPTE 274M */ +#define V4L2_DV_1080I30 10 /* BT.1120/ SMPTE 274M */ +#define V4L2_DV_1080I25 11 /* BT.1120 */ +#define V4L2_DV_1080I50 12 /* SMPTE 296M */ +#define V4L2_DV_1080I60 13 /* SMPTE 296M */ +#define V4L2_DV_1080P24 14 /* SMPTE 296M */ +#define V4L2_DV_1080P25 15 /* SMPTE 296M */ +#define V4L2_DV_1080P30 16 /* SMPTE 296M */ +#define V4L2_DV_1080P50 17 /* BT.1120 */ +#define V4L2_DV_1080P60 18 /* BT.1120 */ + +/* + * D V B T T I M I N G S + */ + +/* BT.656/BT.1120 timing data */ +struct v4l2_bt_timings { + __u32 width; /* width in pixels */ + __u32 height; /* height in lines */ + __u32 interlaced; /* Interlaced or progressive */ + __u32 polarities; /* Positive or negative polarity */ + __u64 pixelclock; /* Pixel clock in HZ. Ex. 74.25MHz->74250000 */ + __u32 hfrontporch; /* Horizpontal front porch in pixels */ + __u32 hsync; /* Horizontal Sync length in pixels */ + __u32 hbackporch; /* Horizontal back porch in pixels */ + __u32 vfrontporch; /* Vertical front porch in pixels */ + __u32 vsync; /* Vertical Sync length in lines */ + __u32 vbackporch; /* Vertical back porch in lines */ + __u32 il_vfrontporch; /* Vertical front porch for bottom field of + * interlaced field formats + */ + __u32 il_vsync; /* Vertical sync length for bottom field of + * interlaced field formats + */ + __u32 il_vbackporch; /* Vertical back porch for bottom field of + * interlaced field formats + */ + __u32 reserved[16]; +} __attribute__ ((packed)); + +/* Interlaced or progressive format */ +#define V4L2_DV_PROGRESSIVE 0 +#define V4L2_DV_INTERLACED 1 + +/* Polarities. If bit is not set, it is assumed to be negative polarity */ +#define V4L2_DV_VSYNC_POS_POL 0x00000001 +#define V4L2_DV_HSYNC_POS_POL 0x00000002 + + +/* DV timings */ +struct v4l2_dv_timings { + __u32 type; + union { + struct v4l2_bt_timings bt; + __u32 reserved[32]; + }; +} __attribute__ ((packed)); + +/* Values for the type field */ +#define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */ + +/* + * V I D E O I N P U T S + */ +struct v4l2_input { + __u32 index; /* Which input */ + __u8 name[32]; /* Label */ + __u32 type; /* Type of input */ + __u32 audioset; /* Associated audios (bitfield) */ + __u32 tuner; /* Associated tuner */ + v4l2_std_id std; + __u32 status; + __u32 capabilities; + __u32 reserved[3]; +}; + +/* Values for the 'type' field */ +#define V4L2_INPUT_TYPE_TUNER 1 +#define V4L2_INPUT_TYPE_CAMERA 2 + +/* field 'status' - general */ +#define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */ +#define V4L2_IN_ST_NO_SIGNAL 0x00000002 +#define V4L2_IN_ST_NO_COLOR 0x00000004 + +/* field 'status' - sensor orientation */ +/* If sensor is mounted upside down set both bits */ +#define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */ +#define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */ + +/* field 'status' - analog */ +#define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */ +#define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */ + +/* field 'status' - digital */ +#define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */ +#define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */ +#define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */ + +/* field 'status' - VCR and set-top box */ +#define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */ +#define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */ +#define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */ + +/* capabilities flags */ +#define V4L2_IN_CAP_PRESETS 0x00000001 /* Supports S_DV_PRESET */ +#define V4L2_IN_CAP_CUSTOM_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ +#define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */ + +/* + * V I D E O O U T P U T S + */ +struct v4l2_output { + __u32 index; /* Which output */ + __u8 name[32]; /* Label */ + __u32 type; /* Type of output */ + __u32 audioset; /* Associated audios (bitfield) */ + __u32 modulator; /* Associated modulator */ + v4l2_std_id std; + __u32 capabilities; + __u32 reserved[3]; +}; +/* Values for the 'type' field */ +#define V4L2_OUTPUT_TYPE_MODULATOR 1 +#define V4L2_OUTPUT_TYPE_ANALOG 2 +#define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3 + +/* capabilities flags */ +#define V4L2_OUT_CAP_PRESETS 0x00000001 /* Supports S_DV_PRESET */ +#define V4L2_OUT_CAP_CUSTOM_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ +#define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */ + +/* + * C O N T R O L S + */ +struct v4l2_control { + __u32 id; + __s32 value; +}; + +struct v4l2_ext_control { + __u32 id; + __u32 size; + __u32 reserved2[1]; + union { + __s32 value; + __s64 value64; + char *string; + }; +} __attribute__ ((packed)); + +struct v4l2_ext_controls { + __u32 ctrl_class; + __u32 count; + __u32 error_idx; + __u32 reserved[2]; + struct v4l2_ext_control *controls; +}; + +/* Values for ctrl_class field */ +#define V4L2_CTRL_CLASS_USER 0x00980000 /* Old-style 'user' controls */ +#define V4L2_CTRL_CLASS_MPEG 0x00990000 /* MPEG-compression controls */ +#define V4L2_CTRL_CLASS_CAMERA 0x009a0000 /* Camera class controls */ +#define V4L2_CTRL_CLASS_FM_TX 0x009b0000 /* FM Modulator control class */ + +#define V4L2_CTRL_ID_MASK (0x0fffffff) +#define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL) +#define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000) + +enum v4l2_ctrl_type { + V4L2_CTRL_TYPE_INTEGER = 1, + V4L2_CTRL_TYPE_BOOLEAN = 2, + V4L2_CTRL_TYPE_MENU = 3, + V4L2_CTRL_TYPE_BUTTON = 4, + V4L2_CTRL_TYPE_INTEGER64 = 5, + V4L2_CTRL_TYPE_CTRL_CLASS = 6, + V4L2_CTRL_TYPE_STRING = 7, +}; + +/* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */ +struct v4l2_queryctrl { + __u32 id; + enum v4l2_ctrl_type type; + __u8 name[32]; /* Whatever */ + __s32 minimum; /* Note signedness */ + __s32 maximum; + __s32 step; + __s32 default_value; + __u32 flags; + __u32 reserved[2]; +}; + +/* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */ +struct v4l2_querymenu { + __u32 id; + __u32 index; + __u8 name[32]; /* Whatever */ + __u32 reserved; +}; + +/* Control flags */ +#define V4L2_CTRL_FLAG_DISABLED 0x0001 +#define V4L2_CTRL_FLAG_GRABBED 0x0002 +#define V4L2_CTRL_FLAG_READ_ONLY 0x0004 +#define V4L2_CTRL_FLAG_UPDATE 0x0008 +#define V4L2_CTRL_FLAG_INACTIVE 0x0010 +#define V4L2_CTRL_FLAG_SLIDER 0x0020 +#define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040 + +/* Query flag, to be ORed with the control ID */ +#define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000 + +/* User-class control IDs defined by V4L2 */ +#define V4L2_CID_BASE (V4L2_CTRL_CLASS_USER | 0x900) +#define V4L2_CID_USER_BASE V4L2_CID_BASE +/* IDs reserved for driver specific controls */ +#define V4L2_CID_PRIVATE_BASE 0x08000000 + +#define V4L2_CID_USER_CLASS (V4L2_CTRL_CLASS_USER | 1) +#define V4L2_CID_BRIGHTNESS (V4L2_CID_BASE+0) +#define V4L2_CID_CONTRAST (V4L2_CID_BASE+1) +#define V4L2_CID_SATURATION (V4L2_CID_BASE+2) +#define V4L2_CID_HUE (V4L2_CID_BASE+3) +#define V4L2_CID_AUDIO_VOLUME (V4L2_CID_BASE+5) +#define V4L2_CID_AUDIO_BALANCE (V4L2_CID_BASE+6) +#define V4L2_CID_AUDIO_BASS (V4L2_CID_BASE+7) +#define V4L2_CID_AUDIO_TREBLE (V4L2_CID_BASE+8) +#define V4L2_CID_AUDIO_MUTE (V4L2_CID_BASE+9) +#define V4L2_CID_AUDIO_LOUDNESS (V4L2_CID_BASE+10) +#define V4L2_CID_BLACK_LEVEL (V4L2_CID_BASE+11) /* Deprecated */ +#define V4L2_CID_AUTO_WHITE_BALANCE (V4L2_CID_BASE+12) +#define V4L2_CID_DO_WHITE_BALANCE (V4L2_CID_BASE+13) +#define V4L2_CID_RED_BALANCE (V4L2_CID_BASE+14) +#define V4L2_CID_BLUE_BALANCE (V4L2_CID_BASE+15) +#define V4L2_CID_GAMMA (V4L2_CID_BASE+16) +#define V4L2_CID_WHITENESS (V4L2_CID_GAMMA) /* Deprecated */ +#define V4L2_CID_EXPOSURE (V4L2_CID_BASE+17) +#define V4L2_CID_AUTOGAIN (V4L2_CID_BASE+18) +#define V4L2_CID_GAIN (V4L2_CID_BASE+19) +#define V4L2_CID_HFLIP (V4L2_CID_BASE+20) +#define V4L2_CID_VFLIP (V4L2_CID_BASE+21) + +/* Deprecated; use V4L2_CID_PAN_RESET and V4L2_CID_TILT_RESET */ +#define V4L2_CID_HCENTER (V4L2_CID_BASE+22) +#define V4L2_CID_VCENTER (V4L2_CID_BASE+23) + +#define V4L2_CID_POWER_LINE_FREQUENCY (V4L2_CID_BASE+24) +enum v4l2_power_line_frequency { + V4L2_CID_POWER_LINE_FREQUENCY_DISABLED = 0, + V4L2_CID_POWER_LINE_FREQUENCY_50HZ = 1, + V4L2_CID_POWER_LINE_FREQUENCY_60HZ = 2, +}; +#define V4L2_CID_HUE_AUTO (V4L2_CID_BASE+25) +#define V4L2_CID_WHITE_BALANCE_TEMPERATURE (V4L2_CID_BASE+26) +#define V4L2_CID_SHARPNESS (V4L2_CID_BASE+27) +#define V4L2_CID_BACKLIGHT_COMPENSATION (V4L2_CID_BASE+28) +#define V4L2_CID_CHROMA_AGC (V4L2_CID_BASE+29) +#define V4L2_CID_COLOR_KILLER (V4L2_CID_BASE+30) +#define V4L2_CID_COLORFX (V4L2_CID_BASE+31) +enum v4l2_colorfx { + V4L2_COLORFX_NONE = 0, + V4L2_COLORFX_BW = 1, + V4L2_COLORFX_SEPIA = 2, + V4L2_COLORFX_NEGATIVE = 3, + V4L2_COLORFX_EMBOSS = 4, + V4L2_COLORFX_SKETCH = 5, + V4L2_COLORFX_SKY_BLUE = 6, + V4L2_COLORFX_GRASS_GREEN = 7, + V4L2_COLORFX_SKIN_WHITEN = 8, + V4L2_COLORFX_VIVID = 9, +}; +#define V4L2_CID_AUTOBRIGHTNESS (V4L2_CID_BASE+32) +#define V4L2_CID_BAND_STOP_FILTER (V4L2_CID_BASE+33) + +#define V4L2_CID_ROTATE (V4L2_CID_BASE+34) +#define V4L2_CID_BG_COLOR (V4L2_CID_BASE+35) + +#define V4L2_CID_CHROMA_GAIN (V4L2_CID_BASE+36) + +#define V4L2_CID_ILLUMINATORS_1 (V4L2_CID_BASE+37) +#define V4L2_CID_ILLUMINATORS_2 (V4L2_CID_BASE+38) + +/* last CID + 1 */ +#define V4L2_CID_LASTP1 (V4L2_CID_BASE+39) + +/* MPEG-class control IDs defined by V4L2 */ +#define V4L2_CID_MPEG_BASE (V4L2_CTRL_CLASS_MPEG | 0x900) +#define V4L2_CID_MPEG_CLASS (V4L2_CTRL_CLASS_MPEG | 1) + +/* MPEG streams */ +#define V4L2_CID_MPEG_STREAM_TYPE (V4L2_CID_MPEG_BASE+0) +enum v4l2_mpeg_stream_type { + V4L2_MPEG_STREAM_TYPE_MPEG2_PS = 0, /* MPEG-2 program stream */ + V4L2_MPEG_STREAM_TYPE_MPEG2_TS = 1, /* MPEG-2 transport stream */ + V4L2_MPEG_STREAM_TYPE_MPEG1_SS = 2, /* MPEG-1 system stream */ + V4L2_MPEG_STREAM_TYPE_MPEG2_DVD = 3, /* MPEG-2 DVD-compatible stream */ + V4L2_MPEG_STREAM_TYPE_MPEG1_VCD = 4, /* MPEG-1 VCD-compatible stream */ + V4L2_MPEG_STREAM_TYPE_MPEG2_SVCD = 5, /* MPEG-2 SVCD-compatible stream */ +}; +#define V4L2_CID_MPEG_STREAM_PID_PMT (V4L2_CID_MPEG_BASE+1) +#define V4L2_CID_MPEG_STREAM_PID_AUDIO (V4L2_CID_MPEG_BASE+2) +#define V4L2_CID_MPEG_STREAM_PID_VIDEO (V4L2_CID_MPEG_BASE+3) +#define V4L2_CID_MPEG_STREAM_PID_PCR (V4L2_CID_MPEG_BASE+4) +#define V4L2_CID_MPEG_STREAM_PES_ID_AUDIO (V4L2_CID_MPEG_BASE+5) +#define V4L2_CID_MPEG_STREAM_PES_ID_VIDEO (V4L2_CID_MPEG_BASE+6) +#define V4L2_CID_MPEG_STREAM_VBI_FMT (V4L2_CID_MPEG_BASE+7) +enum v4l2_mpeg_stream_vbi_fmt { + V4L2_MPEG_STREAM_VBI_FMT_NONE = 0, /* No VBI in the MPEG stream */ + V4L2_MPEG_STREAM_VBI_FMT_IVTV = 1, /* VBI in private packets, IVTV format */ +}; + +/* MPEG audio */ +#define V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ (V4L2_CID_MPEG_BASE+100) +enum v4l2_mpeg_audio_sampling_freq { + V4L2_MPEG_AUDIO_SAMPLING_FREQ_44100 = 0, + V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000 = 1, + V4L2_MPEG_AUDIO_SAMPLING_FREQ_32000 = 2, +}; +#define V4L2_CID_MPEG_AUDIO_ENCODING (V4L2_CID_MPEG_BASE+101) +enum v4l2_mpeg_audio_encoding { + V4L2_MPEG_AUDIO_ENCODING_LAYER_1 = 0, + V4L2_MPEG_AUDIO_ENCODING_LAYER_2 = 1, + V4L2_MPEG_AUDIO_ENCODING_LAYER_3 = 2, + V4L2_MPEG_AUDIO_ENCODING_AAC = 3, + V4L2_MPEG_AUDIO_ENCODING_AC3 = 4, +}; +#define V4L2_CID_MPEG_AUDIO_L1_BITRATE (V4L2_CID_MPEG_BASE+102) +enum v4l2_mpeg_audio_l1_bitrate { + V4L2_MPEG_AUDIO_L1_BITRATE_32K = 0, + V4L2_MPEG_AUDIO_L1_BITRATE_64K = 1, + V4L2_MPEG_AUDIO_L1_BITRATE_96K = 2, + V4L2_MPEG_AUDIO_L1_BITRATE_128K = 3, + V4L2_MPEG_AUDIO_L1_BITRATE_160K = 4, + V4L2_MPEG_AUDIO_L1_BITRATE_192K = 5, + V4L2_MPEG_AUDIO_L1_BITRATE_224K = 6, + V4L2_MPEG_AUDIO_L1_BITRATE_256K = 7, + V4L2_MPEG_AUDIO_L1_BITRATE_288K = 8, + V4L2_MPEG_AUDIO_L1_BITRATE_320K = 9, + V4L2_MPEG_AUDIO_L1_BITRATE_352K = 10, + V4L2_MPEG_AUDIO_L1_BITRATE_384K = 11, + V4L2_MPEG_AUDIO_L1_BITRATE_416K = 12, + V4L2_MPEG_AUDIO_L1_BITRATE_448K = 13, +}; +#define V4L2_CID_MPEG_AUDIO_L2_BITRATE (V4L2_CID_MPEG_BASE+103) +enum v4l2_mpeg_audio_l2_bitrate { + V4L2_MPEG_AUDIO_L2_BITRATE_32K = 0, + V4L2_MPEG_AUDIO_L2_BITRATE_48K = 1, + V4L2_MPEG_AUDIO_L2_BITRATE_56K = 2, + V4L2_MPEG_AUDIO_L2_BITRATE_64K = 3, + V4L2_MPEG_AUDIO_L2_BITRATE_80K = 4, + V4L2_MPEG_AUDIO_L2_BITRATE_96K = 5, + V4L2_MPEG_AUDIO_L2_BITRATE_112K = 6, + V4L2_MPEG_AUDIO_L2_BITRATE_128K = 7, + V4L2_MPEG_AUDIO_L2_BITRATE_160K = 8, + V4L2_MPEG_AUDIO_L2_BITRATE_192K = 9, + V4L2_MPEG_AUDIO_L2_BITRATE_224K = 10, + V4L2_MPEG_AUDIO_L2_BITRATE_256K = 11, + V4L2_MPEG_AUDIO_L2_BITRATE_320K = 12, + V4L2_MPEG_AUDIO_L2_BITRATE_384K = 13, +}; +#define V4L2_CID_MPEG_AUDIO_L3_BITRATE (V4L2_CID_MPEG_BASE+104) +enum v4l2_mpeg_audio_l3_bitrate { + V4L2_MPEG_AUDIO_L3_BITRATE_32K = 0, + V4L2_MPEG_AUDIO_L3_BITRATE_40K = 1, + V4L2_MPEG_AUDIO_L3_BITRATE_48K = 2, + V4L2_MPEG_AUDIO_L3_BITRATE_56K = 3, + V4L2_MPEG_AUDIO_L3_BITRATE_64K = 4, + V4L2_MPEG_AUDIO_L3_BITRATE_80K = 5, + V4L2_MPEG_AUDIO_L3_BITRATE_96K = 6, + V4L2_MPEG_AUDIO_L3_BITRATE_112K = 7, + V4L2_MPEG_AUDIO_L3_BITRATE_128K = 8, + V4L2_MPEG_AUDIO_L3_BITRATE_160K = 9, + V4L2_MPEG_AUDIO_L3_BITRATE_192K = 10, + V4L2_MPEG_AUDIO_L3_BITRATE_224K = 11, + V4L2_MPEG_AUDIO_L3_BITRATE_256K = 12, + V4L2_MPEG_AUDIO_L3_BITRATE_320K = 13, +}; +#define V4L2_CID_MPEG_AUDIO_MODE (V4L2_CID_MPEG_BASE+105) +enum v4l2_mpeg_audio_mode { + V4L2_MPEG_AUDIO_MODE_STEREO = 0, + V4L2_MPEG_AUDIO_MODE_JOINT_STEREO = 1, + V4L2_MPEG_AUDIO_MODE_DUAL = 2, + V4L2_MPEG_AUDIO_MODE_MONO = 3, +}; +#define V4L2_CID_MPEG_AUDIO_MODE_EXTENSION (V4L2_CID_MPEG_BASE+106) +enum v4l2_mpeg_audio_mode_extension { + V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_4 = 0, + V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_8 = 1, + V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_12 = 2, + V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_16 = 3, +}; +#define V4L2_CID_MPEG_AUDIO_EMPHASIS (V4L2_CID_MPEG_BASE+107) +enum v4l2_mpeg_audio_emphasis { + V4L2_MPEG_AUDIO_EMPHASIS_NONE = 0, + V4L2_MPEG_AUDIO_EMPHASIS_50_DIV_15_uS = 1, + V4L2_MPEG_AUDIO_EMPHASIS_CCITT_J17 = 2, +}; +#define V4L2_CID_MPEG_AUDIO_CRC (V4L2_CID_MPEG_BASE+108) +enum v4l2_mpeg_audio_crc { + V4L2_MPEG_AUDIO_CRC_NONE = 0, + V4L2_MPEG_AUDIO_CRC_CRC16 = 1, +}; +#define V4L2_CID_MPEG_AUDIO_MUTE (V4L2_CID_MPEG_BASE+109) +#define V4L2_CID_MPEG_AUDIO_AAC_BITRATE (V4L2_CID_MPEG_BASE+110) +#define V4L2_CID_MPEG_AUDIO_AC3_BITRATE (V4L2_CID_MPEG_BASE+111) +enum v4l2_mpeg_audio_ac3_bitrate { + V4L2_MPEG_AUDIO_AC3_BITRATE_32K = 0, + V4L2_MPEG_AUDIO_AC3_BITRATE_40K = 1, + V4L2_MPEG_AUDIO_AC3_BITRATE_48K = 2, + V4L2_MPEG_AUDIO_AC3_BITRATE_56K = 3, + V4L2_MPEG_AUDIO_AC3_BITRATE_64K = 4, + V4L2_MPEG_AUDIO_AC3_BITRATE_80K = 5, + V4L2_MPEG_AUDIO_AC3_BITRATE_96K = 6, + V4L2_MPEG_AUDIO_AC3_BITRATE_112K = 7, + V4L2_MPEG_AUDIO_AC3_BITRATE_128K = 8, + V4L2_MPEG_AUDIO_AC3_BITRATE_160K = 9, + V4L2_MPEG_AUDIO_AC3_BITRATE_192K = 10, + V4L2_MPEG_AUDIO_AC3_BITRATE_224K = 11, + V4L2_MPEG_AUDIO_AC3_BITRATE_256K = 12, + V4L2_MPEG_AUDIO_AC3_BITRATE_320K = 13, + V4L2_MPEG_AUDIO_AC3_BITRATE_384K = 14, + V4L2_MPEG_AUDIO_AC3_BITRATE_448K = 15, + V4L2_MPEG_AUDIO_AC3_BITRATE_512K = 16, + V4L2_MPEG_AUDIO_AC3_BITRATE_576K = 17, + V4L2_MPEG_AUDIO_AC3_BITRATE_640K = 18, +}; + +/* MPEG video */ +#define V4L2_CID_MPEG_VIDEO_ENCODING (V4L2_CID_MPEG_BASE+200) +enum v4l2_mpeg_video_encoding { + V4L2_MPEG_VIDEO_ENCODING_MPEG_1 = 0, + V4L2_MPEG_VIDEO_ENCODING_MPEG_2 = 1, + V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC = 2, +}; +#define V4L2_CID_MPEG_VIDEO_ASPECT (V4L2_CID_MPEG_BASE+201) +enum v4l2_mpeg_video_aspect { + V4L2_MPEG_VIDEO_ASPECT_1x1 = 0, + V4L2_MPEG_VIDEO_ASPECT_4x3 = 1, + V4L2_MPEG_VIDEO_ASPECT_16x9 = 2, + V4L2_MPEG_VIDEO_ASPECT_221x100 = 3, +}; +#define V4L2_CID_MPEG_VIDEO_B_FRAMES (V4L2_CID_MPEG_BASE+202) +#define V4L2_CID_MPEG_VIDEO_GOP_SIZE (V4L2_CID_MPEG_BASE+203) +#define V4L2_CID_MPEG_VIDEO_GOP_CLOSURE (V4L2_CID_MPEG_BASE+204) +#define V4L2_CID_MPEG_VIDEO_PULLDOWN (V4L2_CID_MPEG_BASE+205) +#define V4L2_CID_MPEG_VIDEO_BITRATE_MODE (V4L2_CID_MPEG_BASE+206) +enum v4l2_mpeg_video_bitrate_mode { + V4L2_MPEG_VIDEO_BITRATE_MODE_VBR = 0, + V4L2_MPEG_VIDEO_BITRATE_MODE_CBR = 1, +}; +#define V4L2_CID_MPEG_VIDEO_BITRATE (V4L2_CID_MPEG_BASE+207) +#define V4L2_CID_MPEG_VIDEO_BITRATE_PEAK (V4L2_CID_MPEG_BASE+208) +#define V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION (V4L2_CID_MPEG_BASE+209) +#define V4L2_CID_MPEG_VIDEO_MUTE (V4L2_CID_MPEG_BASE+210) +#define V4L2_CID_MPEG_VIDEO_MUTE_YUV (V4L2_CID_MPEG_BASE+211) + +/* MPEG-class control IDs specific to the CX2341x driver as defined by V4L2 */ +#define V4L2_CID_MPEG_CX2341X_BASE (V4L2_CTRL_CLASS_MPEG | 0x1000) +#define V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE (V4L2_CID_MPEG_CX2341X_BASE+0) +enum v4l2_mpeg_cx2341x_video_spatial_filter_mode { + V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_MANUAL = 0, + V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_AUTO = 1, +}; +#define V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER (V4L2_CID_MPEG_CX2341X_BASE+1) +#define V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE (V4L2_CID_MPEG_CX2341X_BASE+2) +enum v4l2_mpeg_cx2341x_video_luma_spatial_filter_type { + V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_OFF = 0, + V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_1D_HOR = 1, + V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_1D_VERT = 2, + V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_2D_HV_SEPARABLE = 3, + V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_2D_SYM_NON_SEPARABLE = 4, +}; +#define V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE (V4L2_CID_MPEG_CX2341X_BASE+3) +enum v4l2_mpeg_cx2341x_video_chroma_spatial_filter_type { + V4L2_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE_OFF = 0, + V4L2_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE_1D_HOR = 1, +}; +#define V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE (V4L2_CID_MPEG_CX2341X_BASE+4) +enum v4l2_mpeg_cx2341x_video_temporal_filter_mode { + V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_MANUAL = 0, + V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_AUTO = 1, +}; +#define V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER (V4L2_CID_MPEG_CX2341X_BASE+5) +#define V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE (V4L2_CID_MPEG_CX2341X_BASE+6) +enum v4l2_mpeg_cx2341x_video_median_filter_type { + V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_OFF = 0, + V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_HOR = 1, + V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_VERT = 2, + V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_HOR_VERT = 3, + V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_DIAG = 4, +}; +#define V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_BOTTOM (V4L2_CID_MPEG_CX2341X_BASE+7) +#define V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_TOP (V4L2_CID_MPEG_CX2341X_BASE+8) +#define V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_BOTTOM (V4L2_CID_MPEG_CX2341X_BASE+9) +#define V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_TOP (V4L2_CID_MPEG_CX2341X_BASE+10) +#define V4L2_CID_MPEG_CX2341X_STREAM_INSERT_NAV_PACKETS (V4L2_CID_MPEG_CX2341X_BASE+11) + +/* Camera class control IDs */ +#define V4L2_CID_CAMERA_CLASS_BASE (V4L2_CTRL_CLASS_CAMERA | 0x900) +#define V4L2_CID_CAMERA_CLASS (V4L2_CTRL_CLASS_CAMERA | 1) + +#define V4L2_CID_EXPOSURE_AUTO (V4L2_CID_CAMERA_CLASS_BASE+1) +enum v4l2_exposure_auto_type { + V4L2_EXPOSURE_AUTO = 0, + V4L2_EXPOSURE_MANUAL = 1, + V4L2_EXPOSURE_SHUTTER_PRIORITY = 2, + V4L2_EXPOSURE_APERTURE_PRIORITY = 3 +}; +#define V4L2_CID_EXPOSURE_ABSOLUTE (V4L2_CID_CAMERA_CLASS_BASE+2) +#define V4L2_CID_EXPOSURE_AUTO_PRIORITY (V4L2_CID_CAMERA_CLASS_BASE+3) + +#define V4L2_CID_PAN_RELATIVE (V4L2_CID_CAMERA_CLASS_BASE+4) +#define V4L2_CID_TILT_RELATIVE (V4L2_CID_CAMERA_CLASS_BASE+5) +#define V4L2_CID_PAN_RESET (V4L2_CID_CAMERA_CLASS_BASE+6) +#define V4L2_CID_TILT_RESET (V4L2_CID_CAMERA_CLASS_BASE+7) + +#define V4L2_CID_PAN_ABSOLUTE (V4L2_CID_CAMERA_CLASS_BASE+8) +#define V4L2_CID_TILT_ABSOLUTE (V4L2_CID_CAMERA_CLASS_BASE+9) + +#define V4L2_CID_FOCUS_ABSOLUTE (V4L2_CID_CAMERA_CLASS_BASE+10) +#define V4L2_CID_FOCUS_RELATIVE (V4L2_CID_CAMERA_CLASS_BASE+11) +#define V4L2_CID_FOCUS_AUTO (V4L2_CID_CAMERA_CLASS_BASE+12) + +#define V4L2_CID_ZOOM_ABSOLUTE (V4L2_CID_CAMERA_CLASS_BASE+13) +#define V4L2_CID_ZOOM_RELATIVE (V4L2_CID_CAMERA_CLASS_BASE+14) +#define V4L2_CID_ZOOM_CONTINUOUS (V4L2_CID_CAMERA_CLASS_BASE+15) + +#define V4L2_CID_PRIVACY (V4L2_CID_CAMERA_CLASS_BASE+16) + +#define V4L2_CID_IRIS_ABSOLUTE (V4L2_CID_CAMERA_CLASS_BASE+17) +#define V4L2_CID_IRIS_RELATIVE (V4L2_CID_CAMERA_CLASS_BASE+18) + +/* FM Modulator class control IDs */ +#define V4L2_CID_FM_TX_CLASS_BASE (V4L2_CTRL_CLASS_FM_TX | 0x900) +#define V4L2_CID_FM_TX_CLASS (V4L2_CTRL_CLASS_FM_TX | 1) + +#define V4L2_CID_RDS_TX_DEVIATION (V4L2_CID_FM_TX_CLASS_BASE + 1) +#define V4L2_CID_RDS_TX_PI (V4L2_CID_FM_TX_CLASS_BASE + 2) +#define V4L2_CID_RDS_TX_PTY (V4L2_CID_FM_TX_CLASS_BASE + 3) +#define V4L2_CID_RDS_TX_PS_NAME (V4L2_CID_FM_TX_CLASS_BASE + 5) +#define V4L2_CID_RDS_TX_RADIO_TEXT (V4L2_CID_FM_TX_CLASS_BASE + 6) + +#define V4L2_CID_AUDIO_LIMITER_ENABLED (V4L2_CID_FM_TX_CLASS_BASE + 64) +#define V4L2_CID_AUDIO_LIMITER_RELEASE_TIME (V4L2_CID_FM_TX_CLASS_BASE + 65) +#define V4L2_CID_AUDIO_LIMITER_DEVIATION (V4L2_CID_FM_TX_CLASS_BASE + 66) + +#define V4L2_CID_AUDIO_COMPRESSION_ENABLED (V4L2_CID_FM_TX_CLASS_BASE + 80) +#define V4L2_CID_AUDIO_COMPRESSION_GAIN (V4L2_CID_FM_TX_CLASS_BASE + 81) +#define V4L2_CID_AUDIO_COMPRESSION_THRESHOLD (V4L2_CID_FM_TX_CLASS_BASE + 82) +#define V4L2_CID_AUDIO_COMPRESSION_ATTACK_TIME (V4L2_CID_FM_TX_CLASS_BASE + 83) +#define V4L2_CID_AUDIO_COMPRESSION_RELEASE_TIME (V4L2_CID_FM_TX_CLASS_BASE + 84) + +#define V4L2_CID_PILOT_TONE_ENABLED (V4L2_CID_FM_TX_CLASS_BASE + 96) +#define V4L2_CID_PILOT_TONE_DEVIATION (V4L2_CID_FM_TX_CLASS_BASE + 97) +#define V4L2_CID_PILOT_TONE_FREQUENCY (V4L2_CID_FM_TX_CLASS_BASE + 98) + +#define V4L2_CID_TUNE_PREEMPHASIS (V4L2_CID_FM_TX_CLASS_BASE + 112) +enum v4l2_preemphasis { + V4L2_PREEMPHASIS_DISABLED = 0, + V4L2_PREEMPHASIS_50_uS = 1, + V4L2_PREEMPHASIS_75_uS = 2, +}; +#define V4L2_CID_TUNE_POWER_LEVEL (V4L2_CID_FM_TX_CLASS_BASE + 113) +#define V4L2_CID_TUNE_ANTENNA_CAPACITOR (V4L2_CID_FM_TX_CLASS_BASE + 114) + +/* + * T U N I N G + */ +struct v4l2_tuner { + __u32 index; + __u8 name[32]; + enum v4l2_tuner_type type; + __u32 capability; + __u32 rangelow; + __u32 rangehigh; + __u32 rxsubchans; + __u32 audmode; + __s32 signal; + __s32 afc; + __u32 reserved[4]; +}; + +struct v4l2_modulator { + __u32 index; + __u8 name[32]; + __u32 capability; + __u32 rangelow; + __u32 rangehigh; + __u32 txsubchans; + __u32 reserved[4]; +}; + +/* Flags for the 'capability' field */ +#define V4L2_TUNER_CAP_LOW 0x0001 +#define V4L2_TUNER_CAP_NORM 0x0002 +#define V4L2_TUNER_CAP_STEREO 0x0010 +#define V4L2_TUNER_CAP_LANG2 0x0020 +#define V4L2_TUNER_CAP_SAP 0x0020 +#define V4L2_TUNER_CAP_LANG1 0x0040 +#define V4L2_TUNER_CAP_RDS 0x0080 +#define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100 +#define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200 + +/* Flags for the 'rxsubchans' field */ +#define V4L2_TUNER_SUB_MONO 0x0001 +#define V4L2_TUNER_SUB_STEREO 0x0002 +#define V4L2_TUNER_SUB_LANG2 0x0004 +#define V4L2_TUNER_SUB_SAP 0x0004 +#define V4L2_TUNER_SUB_LANG1 0x0008 +#define V4L2_TUNER_SUB_RDS 0x0010 + +/* Values for the 'audmode' field */ +#define V4L2_TUNER_MODE_MONO 0x0000 +#define V4L2_TUNER_MODE_STEREO 0x0001 +#define V4L2_TUNER_MODE_LANG2 0x0002 +#define V4L2_TUNER_MODE_SAP 0x0002 +#define V4L2_TUNER_MODE_LANG1 0x0003 +#define V4L2_TUNER_MODE_LANG1_LANG2 0x0004 + +struct v4l2_frequency { + __u32 tuner; + enum v4l2_tuner_type type; + __u32 frequency; + __u32 reserved[8]; +}; + +struct v4l2_hw_freq_seek { + __u32 tuner; + enum v4l2_tuner_type type; + __u32 seek_upward; + __u32 wrap_around; + __u32 spacing; + __u32 reserved[7]; +}; + +/* + * R D S + */ + +struct v4l2_rds_data { + __u8 lsb; + __u8 msb; + __u8 block; +} __attribute__ ((packed)); + +#define V4L2_RDS_BLOCK_MSK 0x7 +#define V4L2_RDS_BLOCK_A 0 +#define V4L2_RDS_BLOCK_B 1 +#define V4L2_RDS_BLOCK_C 2 +#define V4L2_RDS_BLOCK_D 3 +#define V4L2_RDS_BLOCK_C_ALT 4 +#define V4L2_RDS_BLOCK_INVALID 7 + +#define V4L2_RDS_BLOCK_CORRECTED 0x40 +#define V4L2_RDS_BLOCK_ERROR 0x80 + +/* + * A U D I O + */ +struct v4l2_audio { + __u32 index; + __u8 name[32]; + __u32 capability; + __u32 mode; + __u32 reserved[2]; +}; + +/* Flags for the 'capability' field */ +#define V4L2_AUDCAP_STEREO 0x00001 +#define V4L2_AUDCAP_AVL 0x00002 + +/* Flags for the 'mode' field */ +#define V4L2_AUDMODE_AVL 0x00001 + +struct v4l2_audioout { + __u32 index; + __u8 name[32]; + __u32 capability; + __u32 mode; + __u32 reserved[2]; +}; + +/* + * M P E G S E R V I C E S + * + * NOTE: EXPERIMENTAL API + */ +#if 1 +#define V4L2_ENC_IDX_FRAME_I (0) +#define V4L2_ENC_IDX_FRAME_P (1) +#define V4L2_ENC_IDX_FRAME_B (2) +#define V4L2_ENC_IDX_FRAME_MASK (0xf) + +struct v4l2_enc_idx_entry { + __u64 offset; + __u64 pts; + __u32 length; + __u32 flags; + __u32 reserved[2]; +}; + +#define V4L2_ENC_IDX_ENTRIES (64) +struct v4l2_enc_idx { + __u32 entries; + __u32 entries_cap; + __u32 reserved[4]; + struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES]; +}; + + +#define V4L2_ENC_CMD_START (0) +#define V4L2_ENC_CMD_STOP (1) +#define V4L2_ENC_CMD_PAUSE (2) +#define V4L2_ENC_CMD_RESUME (3) + +/* Flags for V4L2_ENC_CMD_STOP */ +#define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0) + +struct v4l2_encoder_cmd { + __u32 cmd; + __u32 flags; + union { + struct { + __u32 data[8]; + } raw; + }; +}; + +#endif + + +/* + * D A T A S E R V I C E S ( V B I ) + * + * Data services API by Michael Schimek + */ + +/* Raw VBI */ +struct v4l2_vbi_format { + __u32 sampling_rate; /* in 1 Hz */ + __u32 offset; + __u32 samples_per_line; + __u32 sample_format; /* V4L2_PIX_FMT_* */ + __s32 start[2]; + __u32 count[2]; + __u32 flags; /* V4L2_VBI_* */ + __u32 reserved[2]; /* must be zero */ +}; + +/* VBI flags */ +#define V4L2_VBI_UNSYNC (1 << 0) +#define V4L2_VBI_INTERLACED (1 << 1) + +/* Sliced VBI + * + * This implements is a proposal V4L2 API to allow SLICED VBI + * required for some hardware encoders. It should change without + * notice in the definitive implementation. + */ + +struct v4l2_sliced_vbi_format { + __u16 service_set; + /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field + service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field + (equals frame lines 313-336 for 625 line video + standards, 263-286 for 525 line standards) */ + __u16 service_lines[2][24]; + __u32 io_size; + __u32 reserved[2]; /* must be zero */ +}; + +/* Teletext World System Teletext + (WST), defined on ITU-R BT.653-2 */ +#define V4L2_SLICED_TELETEXT_B (0x0001) +/* Video Program System, defined on ETS 300 231*/ +#define V4L2_SLICED_VPS (0x0400) +/* Closed Caption, defined on EIA-608 */ +#define V4L2_SLICED_CAPTION_525 (0x1000) +/* Wide Screen System, defined on ITU-R BT1119.1 */ +#define V4L2_SLICED_WSS_625 (0x4000) + +#define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525) +#define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625) + +struct v4l2_sliced_vbi_cap { + __u16 service_set; + /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field + service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field + (equals frame lines 313-336 for 625 line video + standards, 263-286 for 525 line standards) */ + __u16 service_lines[2][24]; + enum v4l2_buf_type type; + __u32 reserved[3]; /* must be 0 */ +}; + +struct v4l2_sliced_vbi_data { + __u32 id; + __u32 field; /* 0: first field, 1: second field */ + __u32 line; /* 1-23 */ + __u32 reserved; /* must be 0 */ + __u8 data[48]; +}; + +/* + * Sliced VBI data inserted into MPEG Streams + */ + +/* + * V4L2_MPEG_STREAM_VBI_FMT_IVTV: + * + * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an + * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI + * data + * + * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header + * definitions are not included here. See the MPEG-2 specifications for details + * on these headers. + */ + +/* Line type IDs */ +#define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1) +#define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4) +#define V4L2_MPEG_VBI_IVTV_WSS_625 (5) +#define V4L2_MPEG_VBI_IVTV_VPS (7) + +struct v4l2_mpeg_vbi_itv0_line { + __u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */ + __u8 data[42]; /* Sliced VBI data for the line */ +} __attribute__ ((packed)); + +struct v4l2_mpeg_vbi_itv0 { + __le32 linemask[2]; /* Bitmasks of VBI service lines present */ + struct v4l2_mpeg_vbi_itv0_line line[35]; +} __attribute__ ((packed)); + +struct v4l2_mpeg_vbi_ITV0 { + struct v4l2_mpeg_vbi_itv0_line line[36]; +} __attribute__ ((packed)); + +#define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0" +#define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0" + +struct v4l2_mpeg_vbi_fmt_ivtv { + __u8 magic[4]; + union { + struct v4l2_mpeg_vbi_itv0 itv0; + struct v4l2_mpeg_vbi_ITV0 ITV0; + }; +} __attribute__ ((packed)); + +/* + * A G G R E G A T E S T R U C T U R E S + */ + +/** + * struct v4l2_plane_pix_format - additional, per-plane format definition + * @sizeimage: maximum size in bytes required for data, for which + * this plane will be used + * @bytesperline: distance in bytes between the leftmost pixels in two + * adjacent lines + */ +struct v4l2_plane_pix_format { + __u32 sizeimage; + __u16 bytesperline; + __u16 reserved[7]; +} __attribute__ ((packed)); + +/** + * struct v4l2_pix_format_mplane - multiplanar format definition + * @width: image width in pixels + * @height: image height in pixels + * @pixelformat: little endian four character code (fourcc) + * @field: field order (for interlaced video) + * @colorspace: supplemental to pixelformat + * @plane_fmt: per-plane information + * @num_planes: number of planes for this format + */ +struct v4l2_pix_format_mplane { + __u32 width; + __u32 height; + __u32 pixelformat; + enum v4l2_field field; + enum v4l2_colorspace colorspace; + + struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES]; + __u8 num_planes; + __u8 reserved[11]; +} __attribute__ ((packed)); + +/** + * struct v4l2_format - stream data format + * @type: type of the data stream + * @pix: definition of an image format + * @pix_mp: definition of a multiplanar image format + * @win: definition of an overlaid image + * @vbi: raw VBI capture or output parameters + * @sliced: sliced VBI capture or output parameters + * @raw_data: placeholder for future extensions and custom formats + */ +struct v4l2_format { + enum v4l2_buf_type type; + union { + struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */ + struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */ + struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */ + struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */ + struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */ + __u8 raw_data[200]; /* user-defined */ + } fmt; +}; + +/* Stream type-dependent parameters + */ +struct v4l2_streamparm { + enum v4l2_buf_type type; + union { + struct v4l2_captureparm capture; + struct v4l2_outputparm output; + __u8 raw_data[200]; /* user-defined */ + } parm; +}; + +/* + * E V E N T S + */ + +#define V4L2_EVENT_ALL 0 +#define V4L2_EVENT_VSYNC 1 +#define V4L2_EVENT_EOS 2 +#define V4L2_EVENT_PRIVATE_START 0x08000000 + +/* Payload for V4L2_EVENT_VSYNC */ +struct v4l2_event_vsync { + /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */ + __u8 field; +} __attribute__ ((packed)); + +struct v4l2_event { + __u32 type; + union { + struct v4l2_event_vsync vsync; + __u8 data[64]; + } u; + __u32 pending; + __u32 sequence; + struct timespec timestamp; + __u32 reserved[9]; +}; + +struct v4l2_event_subscription { + __u32 type; + __u32 reserved[7]; +}; + +/* + * A D V A N C E D D E B U G G I N G + * + * NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS! + * FOR DEBUGGING, TESTING AND INTERNAL USE ONLY! + */ + +/* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */ + +#define V4L2_CHIP_MATCH_HOST 0 /* Match against chip ID on host (0 for the host) */ +#define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver name */ +#define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */ +#define V4L2_CHIP_MATCH_AC97 3 /* Match against anciliary AC97 chip */ + +struct v4l2_dbg_match { + __u32 type; /* Match type */ + union { /* Match this chip, meaning determined by type */ + __u32 addr; + char name[32]; + }; +} __attribute__ ((packed)); + +struct v4l2_dbg_register { + struct v4l2_dbg_match match; + __u32 size; /* register size in bytes */ + __u64 reg; + __u64 val; +} __attribute__ ((packed)); + +/* VIDIOC_DBG_G_CHIP_IDENT */ +struct v4l2_dbg_chip_ident { + struct v4l2_dbg_match match; + __u32 ident; /* chip identifier as specified in */ + __u32 revision; /* chip revision, chip specific */ +} __attribute__ ((packed)); + +/* + * I O C T L C O D E S F O R V I D E O D E V I C E S + * + */ +#define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability) +#define VIDIOC_RESERVED _IO('V', 1) +#define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc) +#define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format) +#define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format) +#define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers) +#define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer) +#define VIDIOC_G_FBUF _IOR('V', 10, struct v4l2_framebuffer) +#define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer) +#define VIDIOC_OVERLAY _IOW('V', 14, int) +#define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer) +#define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer) +#define VIDIOC_STREAMON _IOW('V', 18, int) +#define VIDIOC_STREAMOFF _IOW('V', 19, int) +#define VIDIOC_G_PARM _IOWR('V', 21, struct v4l2_streamparm) +#define VIDIOC_S_PARM _IOWR('V', 22, struct v4l2_streamparm) +#define VIDIOC_G_STD _IOR('V', 23, v4l2_std_id) +#define VIDIOC_S_STD _IOW('V', 24, v4l2_std_id) +#define VIDIOC_ENUMSTD _IOWR('V', 25, struct v4l2_standard) +#define VIDIOC_ENUMINPUT _IOWR('V', 26, struct v4l2_input) +#define VIDIOC_G_CTRL _IOWR('V', 27, struct v4l2_control) +#define VIDIOC_S_CTRL _IOWR('V', 28, struct v4l2_control) +#define VIDIOC_G_TUNER _IOWR('V', 29, struct v4l2_tuner) +#define VIDIOC_S_TUNER _IOW('V', 30, struct v4l2_tuner) +#define VIDIOC_G_AUDIO _IOR('V', 33, struct v4l2_audio) +#define VIDIOC_S_AUDIO _IOW('V', 34, struct v4l2_audio) +#define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl) +#define VIDIOC_QUERYMENU _IOWR('V', 37, struct v4l2_querymenu) +#define VIDIOC_G_INPUT _IOR('V', 38, int) +#define VIDIOC_S_INPUT _IOWR('V', 39, int) +#define VIDIOC_G_OUTPUT _IOR('V', 46, int) +#define VIDIOC_S_OUTPUT _IOWR('V', 47, int) +#define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output) +#define VIDIOC_G_AUDOUT _IOR('V', 49, struct v4l2_audioout) +#define VIDIOC_S_AUDOUT _IOW('V', 50, struct v4l2_audioout) +#define VIDIOC_G_MODULATOR _IOWR('V', 54, struct v4l2_modulator) +#define VIDIOC_S_MODULATOR _IOW('V', 55, struct v4l2_modulator) +#define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency) +#define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency) +#define VIDIOC_CROPCAP _IOWR('V', 58, struct v4l2_cropcap) +#define VIDIOC_G_CROP _IOWR('V', 59, struct v4l2_crop) +#define VIDIOC_S_CROP _IOW('V', 60, struct v4l2_crop) +#define VIDIOC_G_JPEGCOMP _IOR('V', 61, struct v4l2_jpegcompression) +#define VIDIOC_S_JPEGCOMP _IOW('V', 62, struct v4l2_jpegcompression) +#define VIDIOC_QUERYSTD _IOR('V', 63, v4l2_std_id) +#define VIDIOC_TRY_FMT _IOWR('V', 64, struct v4l2_format) +#define VIDIOC_ENUMAUDIO _IOWR('V', 65, struct v4l2_audio) +#define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout) +#define VIDIOC_G_PRIORITY _IOR('V', 67, enum v4l2_priority) +#define VIDIOC_S_PRIORITY _IOW('V', 68, enum v4l2_priority) +#define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap) +#define VIDIOC_LOG_STATUS _IO('V', 70) +#define VIDIOC_G_EXT_CTRLS _IOWR('V', 71, struct v4l2_ext_controls) +#define VIDIOC_S_EXT_CTRLS _IOWR('V', 72, struct v4l2_ext_controls) +#define VIDIOC_TRY_EXT_CTRLS _IOWR('V', 73, struct v4l2_ext_controls) +#if 1 +#define VIDIOC_ENUM_FRAMESIZES _IOWR('V', 74, struct v4l2_frmsizeenum) +#define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum) +#define VIDIOC_G_ENC_INDEX _IOR('V', 76, struct v4l2_enc_idx) +#define VIDIOC_ENCODER_CMD _IOWR('V', 77, struct v4l2_encoder_cmd) +#define VIDIOC_TRY_ENCODER_CMD _IOWR('V', 78, struct v4l2_encoder_cmd) +#endif + +#if 1 +/* Experimental, meant for debugging, testing and internal use. + Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined. + You must be root to use these ioctls. Never use these in applications! */ +#define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register) +#define VIDIOC_DBG_G_REGISTER _IOWR('V', 80, struct v4l2_dbg_register) + +/* Experimental, meant for debugging, testing and internal use. + Never use this ioctl in applications! */ +#define VIDIOC_DBG_G_CHIP_IDENT _IOWR('V', 81, struct v4l2_dbg_chip_ident) +#endif + +#define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek) +#define VIDIOC_ENUM_DV_PRESETS _IOWR('V', 83, struct v4l2_dv_enum_preset) +#define VIDIOC_S_DV_PRESET _IOWR('V', 84, struct v4l2_dv_preset) +#define VIDIOC_G_DV_PRESET _IOWR('V', 85, struct v4l2_dv_preset) +#define VIDIOC_QUERY_DV_PRESET _IOR('V', 86, struct v4l2_dv_preset) +#define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings) +#define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings) +#define VIDIOC_DQEVENT _IOR('V', 89, struct v4l2_event) +#define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription) +#define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription) + +#define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */ + +#endif /* __LINUX_VIDEODEV2_H */