/* * Copyright (c) 2006 Advanced Micro Devices, Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. * * Neither the name of the Advanced Micro Devices, Inc. nor the names of its * contributors may be used to endorse or promote products derived from this * software without specific prior written permission. */ /* prototype Xv interface for lxv4l2 driver */ #include #include #include #include #include "xf86.h" #include "xf86_OSproc.h" #include "xf86Resources.h" #include "xf86_ansic.h" #include "compiler.h" #include "xf86xv.h" #include "fourcc.h" #include #define __s64 __s_64 typedef long long __s64; #define __u64 __u_64 typedef unsigned long long __u64; #include "linux/videodev.h" #define __user #include "linux/videodev2.h" typedef signed long long s64; typedef unsigned long long u64; int debuglvl = 0; #define NONBLK_IO #undef HAVE_SELECT #define DEBUG 1 #ifdef DEBUG #define DBLOG(n,s...) do { \ if ( debuglvl >= (n) ) \ xf86Msg(X_INFO, "z4l: " s); \ } while(0) #else #define DBLOG(n,s...) do {} while(0) #endif #define DEFAULT_COLORKEY 0x010203 #define DEFAULT_KEYMODE 0 #define MAX_BUFFERS 4 #define MAX_OVLY_WIDTH 2048 #define MAX_OVLY_HEIGHT 2048 static char *z4l_dev_paths[] = { "/dev/videox", NULL }; #define ATTR_ENCODING "encoding" #define ATTR_ENCODING_ID -1 #define ATTR_KEYMODE "keymode" #define ATTR_KEYMODE_ID -2 #define ATTR_COLORKEY "colorkey" #define ATTR_COLORKEY_ID -3 #define ATTR_MAX_ID 3 #ifdef XvExtension static XF86VideoFormatRec Formats[] = { {8, PseudoColor}, {15, TrueColor}, {16, TrueColor}, {24, TrueColor} }; #define NUM_FORMATS (sizeof(Formats)/sizeof(Formats[0])) #define FOURCC_Y800 0x30303859 #define XVIMAGE_Y800 \ { \ FOURCC_Y800, \ XvYUV, \ LSBFirst, \ {'Y','8','0','0', \ 0x00,0x00,0x00,0x10,0x80,0x00,0x00,0xAA,0x00,0x38,0x9B,0x71}, \ 8, \ XvPacked, \ 1, \ 0, 0, 0, 0, \ 8, 0, 0, \ 1, 0, 0, \ 1, 0, 0, \ {'Y','8','0','0', \ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}, \ XvTopToBottom \ } static XF86ImageRec pixfmts[] = { XVIMAGE_UYVY, XVIMAGE_YUY2, XVIMAGE_I420, XVIMAGE_YV12, XVIMAGE_Y800, }; #define NUM_PIXFMTS (sizeof(pixfmts)/sizeof(pixfmts[0])) typedef struct s_std_data { int inp; v4l2_std_id std; unsigned int fmt; } t_std_data; typedef struct s_ovly_bfrs { void *start; unsigned long offset; size_t length; } t_ovly_bfrs; typedef struct { int fd; int run; int dir; int nbfrs; int bufno; int bufsz; int last; int width, height; int keymode, colorkey; int src_is_set, src_x, src_y, src_w, src_h; int drw_is_set, drw_x, drw_y, drw_w, drw_h; unsigned int pixfmt; char dev_path[32]; t_ovly_bfrs bfrs[MAX_BUFFERS]; XF86VideoAdaptorPtr adpt; XF86VideoEncodingPtr enc; RegionRec clips; int attrIds[1]; } Z4lPortPrivRec; static int z4l_x_offset = 0; static int z4l_y_offset = 0; static int Z4l_nAdaptors = 0; static XF86VideoAdaptorPtr *Z4l_pAdaptors = NULL; static int IoCtl(int fd, unsigned int fn, void *arg, int flag) { int ret; errno = 0; ret = ioctl(fd, fn, arg); if (ret != 0 && flag != 0) DBLOG(0, "ioctl(%08x)=%d\n", fn, ret); return ret; } static void z4l_ovly_unmap(Z4lPortPrivRec * pPriv) { #ifdef LINUX_2_6 int i, nbfrs; nbfrs = pPriv->nbfrs; for (i = 0; i < nbfrs; ++i) { if (pPriv->bfrs[i].start != NULL) { munmap(pPriv->bfrs[i].start, pPriv->bfrs[i].length); pPriv->bfrs[i].start = NULL; } } #else if (pPriv->bfrs[0].start != NULL) { munmap((void *)pPriv->bfrs[0].start, pPriv->bufsz); pPriv->bfrs[0].start = NULL; } #endif pPriv->nbfrs = -1; pPriv->bufsz = -1; pPriv->last = -1; } static void z4l_ovly_map(Z4lPortPrivRec * pPriv, int dir) { long offset, bsz; int i, fd; struct v4l2_buffer bfr; struct v4l2_requestbuffers req; int type = dir >= 0 ? V4L2_BUF_TYPE_VIDEO_CAPTURE : V4L2_BUF_TYPE_VIDEO_OVERLAY; if (pPriv->run > 0) { DBLOG(1, "busy\n"); return; } fd = pPriv->fd; memset(&req, 0, sizeof(req)); req.type = type; req.memory = V4L2_MEMORY_MMAP; req.count = MAX_BUFFERS; if (ioctl(fd, VIDIOC_REQBUFS, &req) < 0) goto xit; pPriv->nbfrs = req.count; if (pPriv->nbfrs <= 0) { DBLOG(1, "no vidmem\n"); return; } memset(&pPriv->bfrs, 0, sizeof(pPriv->bfrs)); for (i = 0; i < pPriv->nbfrs; ++i) { memset(&bfr, 0, sizeof(bfr)); bfr.type = type; bfr.index = i; if (ioctl(fd, VIDIOC_QUERYBUF, &bfr) < 0) goto xit; offset = bfr.m.offset; pPriv->bfrs[i].offset = offset; pPriv->bfrs[i].length = bfr.length; bsz = offset + bfr.length; if (pPriv->bufsz < bsz) pPriv->bufsz = bsz; } #ifdef LINUX_2_6 for (i = 0; i < pPriv->nbfrs; ++i) { pPriv->bfrs[i].start = mmap(NULL, bfr.length, PROT_READ | PROT_WRITE, MAP_SHARED, fd, pPriv->bfrs[i].offset); if (pPriv->bfrs[i].start == MAP_FAILED) goto xit; } #else pPriv->bfrs[0].offset = 0; pPriv->bfrs[0].start = mmap(NULL, pPriv->bufsz, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); if (pPriv->bfrs[0].start == MAP_FAILED) { pPriv->bfrs[0].start = NULL; goto xit; } offset = (unsigned long)pPriv->bfrs[0].start; for (i = 1; i < pPriv->nbfrs; ++i) pPriv->bfrs[i].start = (void *)(offset + pPriv->bfrs[i].offset); #endif for (i = 0; i < pPriv->nbfrs; ++i) { DBLOG(3, "bfr %d ofs %#lx adr %p sz %lu\n", i, pPriv->bfrs[i].offset, pPriv->bfrs[i].start, (unsigned long)pPriv->bfrs[i].length); memset(pPriv->bfrs[i].start, 0x80, pPriv->bfrs[i].length); } pPriv->last = 0; while (pPriv->last < pPriv->nbfrs - 1) { bfr.index = pPriv->last++; bfr.type = type; if (ioctl(fd, VIDIOC_QBUF, &bfr) < 0) goto xit; } return; xit: z4l_ovly_unmap(pPriv); } static int z4l_ovly_dqbuf(Z4lPortPrivRec * pPriv) { int stat; struct v4l2_buffer bfr; int fd = pPriv->fd; #ifdef HAVE_SELECT struct timeval tmo; fd_set dqset; FD_ZERO(&dqset); FD_SET(pPriv->fd, &dqset); tmo.tv_sec = 0; tmo.tv_usec = 0; if (select(fd + 1, &dqset, NULL, NULL, &tmo) <= 0) return -1; #endif memset(&bfr, 0, sizeof(bfr)); bfr.type = V4L2_BUF_TYPE_VIDEO_OVERLAY; stat = ioctl(fd, VIDIOC_DQBUF, &bfr); DBLOG(3, "dqbuf %d,%d,%d,%d\n", stat, bfr.index, pPriv->last, errno); return stat == 0 ? bfr.index : -1; } static int z4l_open_device(Z4lPortPrivRec * pPriv) { int enable; if (pPriv->fd < 0) { pPriv->fd = open(&pPriv->dev_path[0], O_RDWR, 0); DBLOG(1, "open(%s)=%d\n", &pPriv->dev_path[0], pPriv->fd); enable = 1; #ifdef NONBLK_IO if (IoCtl(pPriv->fd, FIONBIO, &enable, 1) != 0) { DBLOG(1, "open cant enable nonblocking\n"); close(pPriv->fd); pPriv->fd = -1; } #endif } return pPriv->fd; } static int z4l_close_device(Z4lPortPrivRec * pPriv) { int ret = 0; if (pPriv->fd >= 0) { ret = close(pPriv->fd); pPriv->fd = -1; DBLOG(1, "close()=%d\n", ret); } if (pPriv->run > 0) { z4l_ovly_unmap(pPriv); pPriv->run = -1; } return ret; } static int z4l_ovly_reset(Z4lPortPrivRec * pPriv) { int ret = 0; if (pPriv->run > 0) { z4l_close_device(pPriv); ret = z4l_open_device(pPriv); } return ret; } static unsigned int z4l_fourcc_pixfmt(int fourcc) { unsigned int pixfmt = -1; switch (fourcc) { case FOURCC_UYVY: pixfmt = V4L2_PIX_FMT_UYVY; break; case FOURCC_YV12: pixfmt = V4L2_PIX_FMT_YVU420; break; case FOURCC_Y800: case FOURCC_I420: pixfmt = V4L2_PIX_FMT_YUV420; break; case FOURCC_YUY2: pixfmt = V4L2_PIX_FMT_YUYV; break; } return pixfmt; } static void z4l_ovly_pixfmt(Z4lPortPrivRec * pPriv, unsigned int pixfmt) { struct v4l2_framebuffer fbuf; DBLOG(1, "pixfmt %4.4s %4.4s\n", (char *)&pPriv->pixfmt, (char *)&pixfmt); memset(&fbuf, 0, sizeof(fbuf)); IoCtl(pPriv->fd, VIDIOC_G_FBUF, &fbuf, 1); fbuf.fmt.pixelformat = pixfmt; fbuf.base = NULL; IoCtl(pPriv->fd, VIDIOC_S_FBUF, &fbuf, 1); pPriv->pixfmt = pixfmt; } static void z4l_ovly_bfr(Z4lPortPrivRec * pPriv, int width, int height) { struct v4l2_format fmt; DBLOG(1, "sfmt ovly %dx%d\n", width, height); memset(&fmt, 0, sizeof(fmt)); fmt.type = 0x102; IoCtl(pPriv->fd, VIDIOC_G_FMT, &fmt, 1); fmt.fmt.win.field = V4L2_FIELD_NONE; fmt.fmt.win.w.width = pPriv->width = width; fmt.fmt.win.w.height = pPriv->height = height; IoCtl(pPriv->fd, VIDIOC_S_FMT, &fmt, 1); } static void z4l_ovly_rect(Z4lPortPrivRec * pPriv, int src_x, int src_y, int src_w, int src_h, int drw_x, int drw_y, int drw_w, int drw_h) { int x, dx, w, y, dy, h; struct v4l2_format fmt; pPriv->src_x = src_x; pPriv->src_y = src_y; pPriv->src_w = src_w; pPriv->src_h = src_h; pPriv->drw_x = drw_x; pPriv->drw_y = drw_y; pPriv->drw_w = drw_w; pPriv->drw_h = drw_h; if ((drw_x -= z4l_x_offset) < 0) { if ((w = pPriv->drw_w) <= 0) w = 1; x = -drw_x; dx = x * pPriv->src_w / w; src_x = pPriv->src_x + dx; src_w = pPriv->src_w - dx; drw_w = pPriv->drw_w - x; drw_x = 0; } if ((drw_y -= z4l_y_offset) < 0) { if ((h = pPriv->drw_h) <= 0) h = 1; y = -drw_y; dy = y * pPriv->src_h / h; src_y = pPriv->src_y + dy; src_h = pPriv->src_h - dy; drw_h = pPriv->drw_h - y; drw_y = 0; } memset(&fmt, 0, sizeof(fmt)); fmt.type = 0x100; IoCtl(pPriv->fd, VIDIOC_G_FMT, &fmt, 1); if (pPriv->src_is_set != 0) { if (src_x != fmt.fmt.win.w.left || src_y != fmt.fmt.win.w.top || src_w != fmt.fmt.win.w.width || src_h != fmt.fmt.win.w.height) pPriv->src_is_set = 0; } if (pPriv->src_is_set == 0) { pPriv->src_is_set = 1; fmt.fmt.win.w.left = src_x; fmt.fmt.win.w.top = src_y; fmt.fmt.win.w.width = src_w; fmt.fmt.win.w.height = src_h; IoCtl(pPriv->fd, VIDIOC_S_FMT, &fmt, 1); DBLOG(3, " set src %d,%d %dx%d\n", src_x, src_y, src_w, src_h); } memset(&fmt, 0, sizeof(fmt)); fmt.type = 0x101; IoCtl(pPriv->fd, VIDIOC_G_FMT, &fmt, 1); if (pPriv->drw_is_set != 0) { if (drw_x != fmt.fmt.win.w.left || drw_y != fmt.fmt.win.w.top || drw_w != fmt.fmt.win.w.width || drw_h != fmt.fmt.win.w.height) pPriv->drw_is_set = 0; } if (pPriv->drw_is_set == 0) { pPriv->drw_is_set = 1; fmt.fmt.win.w.left = drw_x; fmt.fmt.win.w.top = drw_y; fmt.fmt.win.w.width = drw_w; fmt.fmt.win.w.height = drw_h; IoCtl(pPriv->fd, VIDIOC_S_FMT, &fmt, 1); DBLOG(3, " set drw %d,%d %dx%d\n", drw_x, drw_y, drw_w, drw_h); } } static void z4l_ovly_pitch(unsigned int pixfmt, int w, int h, int *py_pitch, int *puv_pitch, int *poffset1, int *poffset2, int *psize) { int y_pitch, uv_pitch; int offset1, offset2; int size, is_420; switch (pixfmt) { case V4L2_PIX_FMT_YVU420: case V4L2_PIX_FMT_YUV420: is_420 = 1; y_pitch = ((w + 1) / 2) * 2; uv_pitch = (w + 1) / 2; break; default: is_420 = 0; y_pitch = ((w + 1) / 2) * 4; uv_pitch = 0; break; } offset1 = y_pitch * h; offset2 = uv_pitch * h; if (is_420 != 0) offset2 /= 2; size = offset1 + 2 * offset2; *py_pitch = y_pitch; *puv_pitch = uv_pitch; *poffset1 = offset1; *poffset2 = offset2; *psize = size; } static int z4l_ovly_set_colorkey(Z4lPortPrivRec * pPriv, int key) { struct v4l2_format fmt; memset(&fmt, 0, sizeof(fmt)); fmt.type = V4L2_BUF_TYPE_VIDEO_OVERLAY; if (IoCtl(pPriv->fd, VIDIOC_G_FMT, &fmt, 1) < 0) return 0; fmt.fmt.win.chromakey = key; if (IoCtl(pPriv->fd, VIDIOC_S_FMT, &fmt, 1) < 0) return 0; pPriv->colorkey = key; return 1; } static int z4l_ovly_get_colorkey(Z4lPortPrivRec * pPriv, int *key) { struct v4l2_format fmt; memset(&fmt, 0, sizeof(fmt)); fmt.type = V4L2_BUF_TYPE_VIDEO_OVERLAY; if (IoCtl(pPriv->fd, VIDIOC_G_FMT, &fmt, 1) < 0) return 0; *key = fmt.fmt.win.chromakey; return 1; } static int z4l_ovly_set_keymode(Z4lPortPrivRec * pPriv, int enable) { struct v4l2_framebuffer fbuf; memset(&fbuf, 0, sizeof(fbuf)); if (IoCtl(pPriv->fd, VIDIOC_G_FBUF, &fbuf, 1) < 0) return 0; if (enable != 0) fbuf.flags |= V4L2_FBUF_FLAG_CHROMAKEY; else fbuf.flags &= ~V4L2_FBUF_FLAG_CHROMAKEY; fbuf.base = NULL; if (IoCtl(pPriv->fd, VIDIOC_S_FBUF, &fbuf, 1) < 0) return 0; pPriv->keymode = enable; return 1; } static int z4l_ovly_get_keymode(Z4lPortPrivRec * pPriv, int *enable) { struct v4l2_framebuffer fbuf; memset(&fbuf, 0, sizeof(fbuf)); if (IoCtl(pPriv->fd, VIDIOC_G_FBUF, &fbuf, 1) < 0) return 0; *enable = (fbuf.flags & V4L2_FBUF_FLAG_CHROMAKEY) != 0 ? 1 : 0; return 1; } static int z4l_ovly_set_encoding(Z4lPortPrivRec * pPriv, int id) { int l, n, inp; char *cp; t_std_data *sp; XF86VideoEncodingPtr enc; XF86VideoAdaptorPtr adpt; v4l2_std_id std; struct v4l2_format fmt; struct v4l2_framebuffer fbuf; adpt = pPriv->adpt; DBLOG(1, "z4l_ovly_set_encoding(%d)\n", id); if (id < 0 || id >= adpt->nEncodings) return 0; enc = &adpt->pEncodings[id]; cp = &enc->name[0]; n = sizeof(int) - 1; l = strlen(cp) + 1; l = (l + n) & ~n; sp = (t_std_data *) (cp + l); inp = sp->inp; DBLOG(1, " nm %s fmt %4.4s inp %d std %llx\n", cp, (char *)&sp->fmt, sp->inp, sp->std); if (IoCtl(pPriv->fd, VIDIOC_S_INPUT, &inp, 1) < 0) return 0; std = sp->std; if (IoCtl(pPriv->fd, VIDIOC_S_STD, &std, 1) < 0) return 0; memset(&fmt, 0, sizeof(fmt)); fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; if (IoCtl(pPriv->fd, VIDIOC_G_FMT, &fmt, 1) < 0) return 0; fmt.fmt.pix.pixelformat = sp->fmt; if (IoCtl(pPriv->fd, VIDIOC_S_FMT, &fmt, 1) < 0) return 0; memset(&fbuf, 0, sizeof(fbuf)); if (IoCtl(pPriv->fd, VIDIOC_G_FBUF, &fbuf, 1) < 0) return 0; fbuf.fmt.pixelformat = sp->fmt; fbuf.base = NULL; if (IoCtl(pPriv->fd, VIDIOC_S_FBUF, &fbuf, 1) < 0) return 0; pPriv->pixfmt = sp->fmt; pPriv->enc = enc; pPriv->src_is_set = pPriv->drw_is_set = 0; return 1; } static int z4l_ovly_get_encoding(Z4lPortPrivRec * pPriv, int *id) { XF86VideoEncodingPtr enc = pPriv->enc; *id = enc->id; return 1; } static void z4l_ovly_stop(Z4lPortPrivRec * pPriv) { int type, enable, fd; if (pPriv->run < 0) return; fd = pPriv->fd; if (pPriv->dir > 0) { type = V4L2_BUF_TYPE_VIDEO_CAPTURE; ioctl(fd, VIDIOC_STREAMOFF, &type); } if (pPriv->dir <= 0) { enable = 0; ioctl(fd, VIDIOC_OVERLAY, &enable); } if (pPriv->dir != 0) z4l_ovly_unmap(pPriv); pPriv->run = -1; z4l_close_device(pPriv); } static void z4l_ovly_start(Z4lPortPrivRec * pPriv, int dir) { int enable; if (pPriv->run >= 0) return; if ((pPriv->dir = dir) != 0) z4l_ovly_map(pPriv, dir); enable = 1; if (IoCtl(pPriv->fd, VIDIOC_OVERLAY, &enable, 1) != 0) { z4l_ovly_stop(pPriv); return; } pPriv->run = 1; } static int z4l_region_equal(RegionPtr ap, RegionPtr bp) { int nboxes; BoxPtr abox, bbox; if (ap == NULL && bp == NULL) return 1; if (ap == NULL || bp == NULL) return 0; if ((nboxes = REGION_NUM_RECTS(ap)) != REGION_NUM_RECTS(bp) || ap->extents.x1 != bp->extents.x1 || ap->extents.x2 != bp->extents.x2 || ap->extents.y1 != bp->extents.y1 || ap->extents.y2 != bp->extents.y2) return 0; abox = REGION_RECTS(ap); bbox = REGION_RECTS(bp); while (--nboxes >= 0) { if (abox->x1 != bbox->x1 || abox->y1 != bbox->y1 || abox->x2 != bbox->x2 || abox->y2 != bbox->y2) return 0; ++abox; ++bbox; } return 1; } static void z4l_setup_colorkey(Z4lPortPrivRec * pPriv, ScreenPtr pScrn, RegionPtr clipBoxes) { if (pPriv->run > 0 && pPriv->dir <= 0 && pPriv->keymode != 0 && z4l_region_equal(&pPriv->clips, clipBoxes) == 0) { xf86XVFillKeyHelper(pScrn, pPriv->colorkey, clipBoxes); REGION_COPY(pScrn, &pPriv->clips, clipBoxes); } } static void Z4lStopVideo(ScrnInfoPtr pScrni, pointer data, Bool exit) { Z4lPortPrivRec *pPriv = (Z4lPortPrivRec *) data; DBLOG(1, "Z4lStopVideo()\n"); if (exit != 0) z4l_ovly_stop(pPriv); else pPriv->src_is_set = pPriv->drw_is_set = 0; REGION_EMPTY(pScrni->pScreen, &pPriv->clips); } static void Z4lQueryBestSize(ScrnInfoPtr pScrni, Bool motion, short vid_w, short vid_h, short drw_w, short drw_h, unsigned int *p_w, unsigned int *p_h, pointer data) { if (drw_w > MAX_OVLY_WIDTH) drw_w = MAX_OVLY_WIDTH; if (drw_h > MAX_OVLY_HEIGHT) drw_h = MAX_OVLY_HEIGHT; *p_w = drw_w; *p_h = drw_h; DBLOG(1, "Z4lQueryBestSize(%d, src %dx%d dst %dx%d)\n", motion, vid_w, vid_h, drw_w, drw_h); } static int Z4lPutImage(ScrnInfoPtr pScrni, short src_x, short src_y, short drw_x, short drw_y, short src_w, short src_h, short drw_w, short drw_h, int id, unsigned char *buf, short width, short height, Bool sync, RegionPtr clipBoxes, pointer data) { int fd, size; int y_pitch, uv_pitch, offset1, offset2; unsigned char *src, *dst; unsigned int pixfmt; struct v4l2_buffer bfr; Z4lPortPrivRec *pPriv = (Z4lPortPrivRec *) data; if (pPriv->run > 0 && pPriv->dir >= 0) return BadMatch; if (pPriv->fd < 0) { z4l_open_device(pPriv); if (pPriv->fd < 0) return BadValue; } fd = pPriv->fd; if (pPriv->run < 0) { DBLOG(2, "PutImg id %#x src %d,%d %dx%d drw %d,%d %dx%d bfr %p " "%dx%d data %p\n", id, src_x, src_y, src_w, src_h, drw_x, drw_y, drw_w, drw_h, buf, width, height, data); pPriv->pixfmt = pPriv->height = -1; pPriv->src_is_set = pPriv->drw_is_set = 0; } pixfmt = z4l_fourcc_pixfmt(id); if (pixfmt != pPriv->pixfmt) { z4l_ovly_reset(pPriv); z4l_ovly_pixfmt(pPriv, pixfmt); } if (pPriv->width != width || pPriv->height != height) { z4l_ovly_reset(pPriv); z4l_ovly_bfr(pPriv, width, height); } if (pPriv->src_is_set == 0 || pPriv->drw_is_set == 0 || pPriv->src_x != src_x || pPriv->src_y != src_y || pPriv->src_w != src_w || pPriv->src_h != src_h || pPriv->drw_x != drw_x || pPriv->drw_y != drw_y || pPriv->drw_w != drw_w || pPriv->drw_h != drw_h) z4l_ovly_rect(pPriv, src_x, src_y, src_w, src_h, drw_x, drw_y, drw_w, drw_h); if (pPriv->run < 0) { z4l_ovly_start(pPriv, -1); if (pPriv->run < 0) return BadValue; } if (pPriv->last < 0 && (pPriv->last = z4l_ovly_dqbuf(pPriv)) < 0) return BadAlloc; z4l_ovly_pitch(pixfmt, width, height, &y_pitch, &uv_pitch, &offset1, &offset2, &size); src = buf; dst = (unsigned char *)pPriv->bfrs[pPriv->last].start; DBLOG(3, "cpy %4.4s src %p dst %p yp %d uvp %d o1 %d o2 %d sz %d\n", (char *)&id, src, dst, y_pitch, uv_pitch, offset1, offset2, size); if (id == FOURCC_Y800) { memcpy(dst, src, offset1); src += offset1; dst += offset1; memset(dst, 0x80, 2 * offset2); } else memcpy(dst, src, size); memset(&bfr, 0, sizeof(bfr)); bfr.type = V4L2_BUF_TYPE_VIDEO_OVERLAY; bfr.index = pPriv->last; bfr.timestamp.tv_sec = 0; bfr.timestamp.tv_usec = 0; bfr.flags |= V4L2_BUF_FLAG_TIMECODE; if (IoCtl(fd, VIDIOC_QBUF, &bfr, 1) != 0) return BadAccess; pPriv->last = z4l_ovly_dqbuf(pPriv); z4l_setup_colorkey(pPriv, pScrni->pScreen, clipBoxes); return Success; } static int Z4lQueryImageAttributes(ScrnInfoPtr pScrni, int id, unsigned short *width, unsigned short *height, int *pitches, int *offsets) { int w, h, size; int y_pitch, uv_pitch, offset1, offset2; unsigned int pixfmt = z4l_fourcc_pixfmt(id); w = *width; h = *height; if (w > MAX_OVLY_WIDTH) w = MAX_OVLY_WIDTH; if (h > MAX_OVLY_HEIGHT) h = MAX_OVLY_HEIGHT; z4l_ovly_pitch(pixfmt, w, h, &y_pitch, &uv_pitch, &offset1, &offset2, &size); if (offsets != NULL) offsets[0] = 0; if (pitches != NULL) pitches[0] = y_pitch; switch (pixfmt) { case V4L2_PIX_FMT_YVU420: case V4L2_PIX_FMT_YUV420: if (offsets != NULL) { offsets[1] = offset1; offsets[2] = offset1 + offset2; } if (pitches != NULL) pitches[1] = pitches[2] = uv_pitch; h = (h + 1) & ~1; break; } w = (w + 1) & ~1; *width = w; *height = h; DBLOG(1, "Z4lQueryImageAttributes(%4.4s) = %d, %dx%d %d/%d %d/%d\n", (char *)&id, size, w, h, y_pitch, uv_pitch, offset1, offset2); return size; } static int Z4lPutVideo(ScrnInfoPtr pScrni, short src_x, short src_y, short drw_x, short drw_y, short src_w, short src_h, short drw_w, short drw_h, RegionPtr clipBoxes, pointer data) { int id; Z4lPortPrivRec *pPriv = (Z4lPortPrivRec *) data; DBLOG(2, "PutVid src %d,%d %dx%d drw %d,%d %dx%d data %p\n", src_x, src_y, src_w, src_h, drw_x, drw_y, drw_w, drw_h, data); if (z4l_open_device(pPriv) >= 0) { if (pPriv->run < 0) { DBLOG(2, "PutVid start\n"); z4l_ovly_get_encoding(pPriv, &id); z4l_ovly_set_encoding(pPriv, id); } DBLOG(2, "PutVid priv %d,%d %dx%d drw %d,%d %dx%d\n", pPriv->src_x, pPriv->src_y, pPriv->src_w, pPriv->src_h, pPriv->drw_x, pPriv->drw_y, pPriv->drw_w, pPriv->drw_h); if (pPriv->src_is_set == 0 || pPriv->drw_is_set == 0 || pPriv->src_w != src_w || pPriv->src_h != src_h || pPriv->drw_x != drw_x || pPriv->drw_y != drw_y || pPriv->drw_w != drw_w || pPriv->drw_h != drw_h) z4l_ovly_rect(pPriv, src_x, src_y, src_w, src_h, drw_x, drw_y, drw_w, drw_h); if (pPriv->run < 0) z4l_ovly_start(pPriv, 0); z4l_setup_colorkey(pPriv, pScrni->pScreen, clipBoxes); } return Success; } static XF86VideoEncodingPtr Z4lNewEncoding(XF86VideoEncodingPtr * encs, int *nencs) { XF86VideoEncodingPtr enc; XF86VideoEncodingPtr tencs = (XF86VideoEncodingPtr) xrealloc(*encs, sizeof(*tencs) * (*nencs + 1)); if (tencs == NULL) return NULL; *encs = tencs; enc = &tencs[*nencs]; ++*nencs; memset(enc, 0, sizeof(*enc)); return enc; } static void Z4lEncodingName(char *ename, int l, char *inp_name, char *std_name, char *fmt) { int i, ch; while ((ch = *inp_name++) != 0) { if (isalnum(ch) == 0) continue; if (--l <= 0) goto xit; *ename++ = ch; } if (--l <= 0) goto xit; *ename++ = '-'; while ((ch = *std_name++) != 0) { if (isalnum(ch) == 0) continue; if (--l <= 0) goto xit; *ename++ = ch; } if (--l <= 0) goto xit; *ename++ = '-'; i = 4; while (--i >= 0 && (ch = *fmt++) != 0) { if (isalnum(ch) == 0) continue; if (--l <= 0) goto xit; *ename++ = ch; } xit: *ename = 0; } static int Z4lAddEncoding(XF86VideoEncodingPtr enc, char *name, int id, int width, int height, int numer, int denom, int inp, v4l2_std_id std, unsigned int fmt) { int l, n; t_std_data *sp; char *cp; n = sizeof(int) - 1; l = strlen(&name[0]) + 1; l = (l + n) & ~n; n = l + sizeof(*sp); cp = (char *)xalloc(n); if (cp == NULL) return 0; sp = (t_std_data *) (cp + l); enc->id = id; strcpy(cp, &name[0]); enc->name = cp; enc->width = width; enc->height = height; enc->rate.numerator = numer; enc->rate.denominator = denom; sp->inp = inp; sp->std = std; sp->fmt = fmt; DBLOG(1, "enc %s\n", &name[0]); return 1; } static XF86ImagePtr Z4lNewImage(XF86ImagePtr * imgs, int *nimgs) { XF86ImagePtr img; XF86ImagePtr timgs = (XF86ImagePtr) xrealloc(*imgs, sizeof(*timgs) * (*nimgs + 1)); if (timgs == NULL) return NULL; *imgs = timgs; img = &timgs[*nimgs]; ++*nimgs; memset(img, 0, sizeof(*img)); return img; } static int Z4lAddImage(XF86ImagePtr img, XF86ImagePtr ip) { *img = *ip; DBLOG(1, "img %4.4s\n", (char *)&img->id); return 1; } static XF86AttributePtr Z4lNewAttribute(XF86AttributePtr * attrs, int *nattrs) { XF86AttributePtr attr; XF86AttributePtr tattrs = (XF86AttributePtr) xrealloc(*attrs, sizeof(*tattrs) * (*nattrs + 1)); if (tattrs == NULL) return NULL; *attrs = tattrs; attr = &tattrs[*nattrs]; ++*nattrs; memset(attr, 0, sizeof(*attr)); return attr; } static void Z4lAttributeName(char *bp, int l, char *cp) { int ch; char *atomNm = bp; if (l > 0) { *bp++ = 'X'; --l; } if (l > 0) { *bp++ = 'V'; --l; } if (l > 0) { *bp++ = '_'; --l; } while (l > 0 && (ch = *cp++) != 0) { if (isalnum(ch) == 0) continue; *bp++ = toupper(ch); } *bp = 0; MakeAtom(&atomNm[0], strlen(&atomNm[0]), TRUE); } static int Z4lAddAttribute(XF86AttributePtr attr, char *name, int min, int max, int flags) { char *cp = (char *)xalloc(strlen((char *)&name[0]) + 1); if (cp == NULL) return 0; attr->name = cp; strcpy(&attr->name[0], name); attr->min_value = min; attr->max_value = max; attr->flags = flags; DBLOG(1, "attr %s\n", attr->name); return 1; } static XF86VideoAdaptorPtr Z4lNewAdaptor(XF86VideoAdaptorPtr ** adpts, int *nadpts, int nattrs) { int n; Z4lPortPrivRec *pPriv; XF86VideoAdaptorPtr adpt, *tadpts; tadpts = (XF86VideoAdaptorPtr *) xrealloc(*adpts, sizeof(*tadpts) * (*nadpts + 1)); if (tadpts == NULL) return NULL; *adpts = tadpts; n = sizeof(*adpt) + sizeof(*pPriv) + 1 * sizeof(*adpt->pPortPrivates); n += (nattrs - 1) * sizeof(pPriv->attrIds[0]); adpt = (XF86VideoAdaptorPtr) xalloc(n); if (adpt == NULL) return NULL; memset(adpt, 0, n); tadpts[*nadpts] = adpt; ++*nadpts; adpt->pPortPrivates = (DevUnion *) & adpt[1]; pPriv = (Z4lPortPrivRec *) & adpt->pPortPrivates[1]; adpt->pPortPrivates[0].ptr = (pointer) pPriv; pPriv->adpt = adpt; adpt->nPorts = 1; return adpt; } static int Z4lSetPortAttribute(ScrnInfoPtr pScrni, Atom attribute, INT32 value, pointer data) { Z4lPortPrivRec *pPriv = (Z4lPortPrivRec *) data; XF86VideoAdaptorPtr adpt; XF86AttributePtr attr; struct v4l2_control ctrl; int i, nattrs, attrId, val; char *name = NameForAtom(attribute); int old_fd = pPriv->fd; DBLOG(1, "Z4lSetPortAttribute(%#lx,%d) '%s'\n", (unsigned long)attribute, (int)value, name != NULL ? name : "_null_"); if (name == NULL) return BadImplementation; if (old_fd < 0 && z4l_open_device(pPriv) < 0) return BadAccess; adpt = pPriv->adpt; attr = adpt->pAttributes; nattrs = adpt->nAttributes; for (i = 0; i < nattrs; ++i, ++attr) if (strcmp(attr->name, name) == 0) break; if (i >= nattrs) return BadMatch; attrId = pPriv->attrIds[i]; val = value; switch (attrId) { case ATTR_ENCODING_ID: z4l_ovly_set_encoding(pPriv, val); break; case ATTR_KEYMODE_ID: z4l_ovly_set_keymode(pPriv, val); REGION_EMPTY(pScrni->pScreen, &pPriv->clips); z4l_setup_colorkey(pPriv, pScrni->pScreen, &pPriv->clips); break; case ATTR_COLORKEY_ID: z4l_ovly_set_colorkey(pPriv, val); break; default: memset(&ctrl, 0, sizeof(ctrl)); ctrl.id = attrId + V4L2_CID_BASE; ctrl.value = val; if (IoCtl(pPriv->fd, VIDIOC_S_CTRL, &ctrl, 1) != 0) return BadMatch; break; } if (old_fd < 0) z4l_close_device(pPriv); return Success; } static int Z4lGetPortAttribute(ScrnInfoPtr pScrni, Atom attribute, INT32 * value, pointer data) { Z4lPortPrivRec *pPriv = (Z4lPortPrivRec *) data; XF86VideoAdaptorPtr adpt; XF86AttributePtr attr; struct v4l2_control ctrl; int i, nattrs, attrId, val; char *name = NameForAtom(attribute); int old_fd = pPriv->fd; DBLOG(1, "Z4lGetPortAttribute(%#lx) '%s'\n", (unsigned long)attribute, name != NULL ? name : "_null_"); if (name == NULL) return BadImplementation; if (old_fd < 0 && z4l_open_device(pPriv) < 0) return BadAccess; adpt = pPriv->adpt; attr = adpt->pAttributes; nattrs = adpt->nAttributes; for (i = 0; i < nattrs; ++i, ++attr) if (strcmp(attr->name, name) == 0) break; if (i >= nattrs) return BadMatch; attrId = pPriv->attrIds[i]; val = 0; switch (attrId) { case ATTR_ENCODING_ID: z4l_ovly_get_encoding(pPriv, &val); *value = val; break; case ATTR_KEYMODE_ID: z4l_ovly_get_keymode(pPriv, &val); *value = val; break; case ATTR_COLORKEY_ID: z4l_ovly_get_colorkey(pPriv, &val); break; default: memset(&ctrl, 0, sizeof(ctrl)); ctrl.id = attrId + V4L2_CID_BASE; if (IoCtl(pPriv->fd, VIDIOC_G_CTRL, &ctrl, 1) != 0) return BadMatch; val = ctrl.value; break; } if (old_fd < 0) z4l_close_device(pPriv); *value = val; return Success; } static void (*oldAdjustFrame) (int scrnIndex, int x, int y, int flags) = NULL; static void Z4lAdjustFrame(int scrnIndex, int x, int y, int flags) { int i; XF86VideoAdaptorPtr adpt; Z4lPortPrivRec *pPriv; DBLOG(3, "Z4lAdjustFrame(%d,%d,%d)\n", x, y, flags); z4l_x_offset = x; z4l_y_offset = y; oldAdjustFrame(scrnIndex, x, y, flags); /* xv adjust does not handle putvideo case */ for (i = 0; i < Z4l_nAdaptors; ++i) { adpt = Z4l_pAdaptors[i]; pPriv = (Z4lPortPrivRec *) adpt->pPortPrivates[0].ptr; if (pPriv->run > 0) { pPriv->drw_is_set = 0; z4l_ovly_rect(pPriv, pPriv->src_x, pPriv->src_y, pPriv->src_w, pPriv->src_h, pPriv->drw_x, pPriv->drw_y, pPriv->drw_w, pPriv->drw_h); } } } static int Z4lInit(ScrnInfoPtr pScrni, XF86VideoAdaptorPtr ** adaptors) { int i, id, fd, dev, enable, has_video, has_colorkey; int ctl, cinp, inp, std, fmt, has_image; int nadpts, nattrs, nencs, cenc, nimgs; int numer, denom, width, height; unsigned int pixfmt, cpixfmt, opixfmt; XF86VideoAdaptorPtr *adpts, adpt; XF86AttributePtr attrs, attr; XF86VideoEncodingPtr encs, enc; XF86ImagePtr ip, img, imgs; Z4lPortPrivRec *pPriv; char *dp, *msg; char enc_name[256], attr_name[256]; int attrIds[V4L2_CID_LASTP1 - V4L2_CID_BASE + ATTR_MAX_ID]; struct v4l2_capability capability; v4l2_std_id cstd_id, std_id; struct v4l2_standard standard; struct v4l2_format format, cfmt; struct v4l2_input input; struct v4l2_fmtdesc fmtdesc; struct v4l2_queryctrl queryctrl; struct v4l2_framebuffer fbuf; DBLOG(1, "Init\n"); if (oldAdjustFrame == NULL) { oldAdjustFrame = pScrni->AdjustFrame; pScrni->AdjustFrame = Z4lAdjustFrame; } fd = -1; enc = NULL; encs = NULL; nencs = 0; img = NULL; imgs = NULL; nimgs = 0; attr = NULL; attrs = NULL; nattrs = 0; adpt = NULL; adpts = NULL; nadpts = 0; has_video = has_image = has_colorkey = 0; for (dev = 0; z4l_dev_paths[dev] != NULL; ++dev) { fd = open(z4l_dev_paths[dev], O_RDWR, 0); if (fd < 0) continue; DBLOG(1, "%s open ok\n", z4l_dev_paths[dev]); msg = NULL; enable = 1; if (IoCtl(fd, VIDIOC_QUERYCAP, &capability, 1) < 0) msg = "bad querycap"; else if ((capability.capabilities & V4L2_CAP_VIDEO_OVERLAY) == 0) msg = "no overlay"; else if ((capability.capabilities & V4L2_CAP_STREAMING) == 0) msg = "no streaming"; #ifdef NONBLK_IO else if (IoCtl(fd, FIONBIO, &enable, 1) != 0) msg = "cant enable non-blocking io"; #endif if (msg == NULL) { memset(&format, 0, sizeof(format)); format.type = 0x100; if (IoCtl(fd, VIDIOC_G_FMT, &format, 1) != 0) msg = "no src/dst ovly fmt"; } if (msg != NULL) { DBLOG(0, "%s %s\n", z4l_dev_paths[dev], msg); close(fd); continue; } memset(&cfmt, 0, sizeof(cfmt)); cfmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; if (IoCtl(fd, VIDIOC_G_FMT, &cfmt, 1) < 0) goto fail; if (IoCtl(fd, VIDIOC_G_STD, &cstd_id, 1) < 0) goto fail; if (IoCtl(fd, VIDIOC_G_INPUT, &cinp, 1) < 0) goto fail; cpixfmt = cfmt.fmt.pix.pixelformat; cenc = 0; for (inp = 0;; ++inp) { memset(&input, 0, sizeof(input)); input.index = inp; if (IoCtl(fd, VIDIOC_ENUMINPUT, &input, 0) < 0) break; id = inp; if (IoCtl(fd, VIDIOC_S_INPUT, &id, 1) < 0) goto fail; for (std = 0;; ++std) { memset(&standard, 0, sizeof(standard)); standard.index = std; if (IoCtl(fd, VIDIOC_ENUMSTD, &standard, 0) < 0) break; std_id = standard.id; denom = standard.frameperiod.denominator; numer = standard.frameperiod.numerator; if (IoCtl(fd, VIDIOC_S_STD, &std_id, 1) < 0) continue; memset(&format, 0, sizeof(format)); format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; if (IoCtl(fd, VIDIOC_G_FMT, &format, 1) < 0) continue; width = format.fmt.pix.width; height = format.fmt.pix.height; for (fmt = 0;; ++fmt) { memset(&fmtdesc, 0, sizeof(fmtdesc)); fmtdesc.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; fmtdesc.index = fmt; if (IoCtl(fd, VIDIOC_ENUM_FMT, &fmtdesc, 0) < 0) break; pixfmt = fmtdesc.pixelformat; ip = &pixfmts[0]; for (i = sizeof(pixfmts) / sizeof(pixfmts[0]); --i >= 0; ++ip) if (z4l_fourcc_pixfmt(ip->id) == pixfmt) break; if (i >= 0) { id = nencs; has_video = 1; if ((enc = Z4lNewEncoding(&encs, &nencs)) == NULL) goto fail; Z4lEncodingName(&enc_name[0], sizeof(enc_name), (char *)&input.name[0], (char *)&standard.name[0], (char *)&pixfmt); if (Z4lAddEncoding(enc, &enc_name[0], id, width, height, denom, numer, inp, std_id, pixfmt) == 0) goto fail; if (std_id == cstd_id && inp == cinp && pixfmt == cpixfmt) cenc = id; } } } } if (IoCtl(fd, VIDIOC_S_INPUT, &cinp, 1) < 0) goto fail; if (IoCtl(fd, VIDIOC_S_STD, &cstd_id, 1) < 0) goto fail; if (IoCtl(fd, VIDIOC_S_FMT, &cfmt, 1) < 0) goto fail; if (encs == NULL) { DBLOG(0, "no encodings\n"); goto fail; } for (fmt = 0;; ++fmt) { memset(&fmtdesc, 0, sizeof(fmtdesc)); fmtdesc.type = V4L2_BUF_TYPE_VIDEO_OVERLAY; fmtdesc.index = fmt; if (IoCtl(fd, VIDIOC_ENUM_FMT, &fmtdesc, 0) < 0) break; pixfmt = fmtdesc.pixelformat; ip = &pixfmts[0]; for (i = sizeof(pixfmts) / sizeof(pixfmts[0]); --i >= 0; ++ip) if (z4l_fourcc_pixfmt(ip->id) == pixfmt) break; if (i >= 0) { has_image = 1; if ((img = Z4lNewImage(&imgs, &nimgs)) == NULL) goto fail; if (Z4lAddImage(img, ip) == 0) goto fail; } } if (nimgs > 0) { id = nencs; if ((enc = Z4lNewEncoding(&encs, &nencs)) == NULL) goto fail; if (Z4lAddEncoding(enc, "XV_IMAGE", id, MAX_OVLY_WIDTH, MAX_OVLY_HEIGHT, 0, 0, 0, 0, pixfmt) == 0) goto fail; } ctl = 0; for (ctl = 0; ctl < (V4L2_CID_LASTP1 - V4L2_CID_BASE); ++ctl) { memset(&queryctrl, 0, sizeof(queryctrl)); queryctrl.id = V4L2_CID_BASE + ctl; if (IoCtl(fd, VIDIOC_QUERYCTRL, &queryctrl, 0) < 0) continue; if (queryctrl.type != V4L2_CTRL_TYPE_INTEGER && queryctrl.type != V4L2_CTRL_TYPE_BOOLEAN) continue; attrIds[nattrs] = ctl; if ((attr = Z4lNewAttribute(&attrs, &nattrs)) == NULL) goto fail; Z4lAttributeName(&attr_name[0], sizeof(attr_name), (char *)&queryctrl.name[0]); if (Z4lAddAttribute(attr, &attr_name[0], queryctrl.minimum, queryctrl.maximum, XvSettable | XvGettable) == 0) goto fail; } attrIds[nattrs] = ATTR_ENCODING_ID; if ((attr = Z4lNewAttribute(&attrs, &nattrs)) == NULL) goto fail; Z4lAttributeName(&attr_name[0], sizeof(attr_name), ATTR_ENCODING); if (Z4lAddAttribute(attr, &attr_name[0], 0, nencs - 1, XvSettable | XvGettable) == 0) goto fail; memset(&fbuf, 0, sizeof(fbuf)); if (IoCtl(fd, VIDIOC_G_FBUF, &fbuf, 1) < 0) goto fail; opixfmt = fbuf.fmt.pixelformat; if ((fbuf.capability & V4L2_FBUF_CAP_CHROMAKEY) != 0) { attrIds[nattrs] = ATTR_KEYMODE_ID; if ((attr = Z4lNewAttribute(&attrs, &nattrs)) == NULL) goto fail; Z4lAttributeName(&attr_name[0], sizeof(attr_name), ATTR_KEYMODE); if (Z4lAddAttribute(attr, &attr_name[0], 0, 1, XvSettable | XvGettable) == 0) goto fail; attrIds[nattrs] = ATTR_COLORKEY_ID; if ((attr = Z4lNewAttribute(&attrs, &nattrs)) == NULL) goto fail; Z4lAttributeName(&attr_name[0], sizeof(attr_name), ATTR_COLORKEY); if (Z4lAddAttribute(attr, &attr_name[0], 0, 0xffffff, XvSettable | XvGettable) == 0) goto fail; has_colorkey = 1; } dp = xalloc(strlen((char *)&capability.card[0]) + 1); if (dp == NULL) goto fail; strcpy(dp, (char *)&capability.card[0]); if ((adpt = Z4lNewAdaptor(&adpts, &nadpts, nattrs)) == NULL) goto fail; adpt->type = XvWindowMask | XvInputMask; if (has_video != 0) adpt->type |= XvVideoMask; if (has_image != 0) adpt->type |= XvImageMask; adpt->flags = VIDEO_OVERLAID_IMAGES | VIDEO_CLIP_TO_VIEWPORT; adpt->name = dp; adpt->type = XvInputMask | XvWindowMask | XvVideoMask | XvImageMask; adpt->pEncodings = encs; adpt->nEncodings = nencs; adpt->pFormats = &Formats[0]; adpt->nFormats = sizeof(Formats) / sizeof(Formats[0]); adpt->pAttributes = attrs; adpt->nAttributes = nattrs; attrs = NULL; nattrs = 0; adpt->pImages = imgs; adpt->nImages = nimgs; imgs = NULL; nimgs = 0; adpt->PutVideo = Z4lPutVideo; adpt->StopVideo = Z4lStopVideo; adpt->SetPortAttribute = Z4lSetPortAttribute; adpt->GetPortAttribute = Z4lGetPortAttribute; adpt->QueryBestSize = Z4lQueryBestSize; adpt->PutImage = Z4lPutImage; adpt->QueryImageAttributes = Z4lQueryImageAttributes; pPriv = (Z4lPortPrivRec *) adpt->pPortPrivates[0].ptr; pPriv->fd = fd; pPriv->run = -1; pPriv->dir = 0; pPriv->nbfrs = -1; pPriv->bufsz = -1; pPriv->last = -1; pPriv->pixfmt = opixfmt; #if defined(REGION_NULL) REGION_NULL(pScrni->pScreen, &pPriv->clips); #else REGION_INIT(pScrni->pScreen, &pPriv->clips, NullBox, 0); #endif strncpy(&pPriv->dev_path[0], z4l_dev_paths[dev], sizeof(pPriv->dev_path)); pPriv->enc = &encs[cenc]; for (i = 0; i < adpt->nAttributes; ++i) pPriv->attrIds[i] = attrIds[i]; DBLOG(1, "adpt %s\n", dp); if (has_colorkey != 0) { z4l_ovly_set_colorkey(pPriv, DEFAULT_COLORKEY); z4l_ovly_set_keymode(pPriv, DEFAULT_KEYMODE); } close(fd); pPriv->fd = -1; adpt = NULL; cenc = 0; encs = NULL; nencs = 0; } DBLOG(0, "init done, %d device(s) found\n", nadpts); Z4l_nAdaptors = nadpts; Z4l_pAdaptors = adpts; *adaptors = adpts; return nadpts; fail: if (attrs != NULL) { for (i = 0; i < nattrs; ++i) if (attrs[i].name != NULL) free(attrs[i].name); free(attrs); } if (encs != NULL) { for (i = 0; i < nencs; ++i) { if (encs[i].name != NULL) free(encs[i].name); } free(encs); } if (imgs != NULL) free(imgs); if (adpts != NULL) { for (i = 0; i < nadpts; ++i) { if ((adpt = adpts[i]) != NULL) { if (adpt->name != NULL) free(adpt->name); if ((attrs = adpt->pAttributes) != NULL) { for (i = 0; i < adpt->nAttributes; ++i) if (attrs[i].name != NULL) free(attrs[i].name); free(attrs); } if ((encs = adpt->pEncodings) != NULL) { for (i = 0; i < adpt->nEncodings; ++i, ++enc) if (encs[i].name != NULL) free(encs[i].name); free(encs); } if ((imgs = adpt->pImages) != NULL) free(imgs); xfree(adpt); } } free(adpts); } if (fd >= 0) close(fd); return 0; } static Bool Z4lProbe(DriverPtr drv, int flags) { DBLOG(1, "Probe\n"); if (flags & PROBE_DETECT) return TRUE; xf86XVRegisterGenericAdaptorDriver(Z4lInit); drv->refCount++; return TRUE; } static const OptionInfoRec * Z4lAvailableOptions(int chipid, int busid) { return NULL; } static void Z4lIdentify(int flags) { xf86Msg(X_INFO, "z4l driver for Video4Linux\n"); } DriverRec Z4l = { 40001, "z4l", Z4lIdentify, Z4lProbe, Z4lAvailableOptions, NULL, 0 }; #ifdef XFree86LOADER static MODULESETUPPROTO(z4lSetup); static XF86ModuleVersionInfo z4lVersRec = { "z4l", MODULEVENDORSTRING, MODINFOSTRING1, MODINFOSTRING2, XF86_VERSION_CURRENT, 0, 0, 1, ABI_CLASS_VIDEODRV, ABI_VIDEODRV_VERSION, MOD_CLASS_NONE, {0, 0, 0, 0} }; XF86ModuleData z4lModuleData = { &z4lVersRec, z4lSetup, NULL }; static pointer z4lSetup(pointer module, pointer opts, int *errmaj, int *errmin) { const char *osname; static Bool setupDone = FALSE; if (setupDone != FALSE) { if (errmaj != NULL) *errmaj = LDR_ONCEONLY; return NULL; } setupDone = TRUE; LoaderGetOS(&osname, NULL, NULL, NULL); if (osname == NULL || strcmp(osname, "linux") != 0) { if (errmaj) *errmaj = LDR_BADOS; if (errmin) *errmin = 0; return NULL; } xf86AddDriver(&Z4l, module, 0); return (pointer) 1; } #endif #endif /* !XvExtension */