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62 |
marcus.erl |
/*
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*
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* Video for Linux Two
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* Backward Compatibility Layer
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*
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* Support subroutines for providing V4L2 drivers with backward
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* compatibility with applications using the old API.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*
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* Author: Bill Dirks <bill@thedirks.org>
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* et al.
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*
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*/
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#include <linux/init.h>
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| 21 |
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#include <linux/module.h>
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| 22 |
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#include <linux/types.h>
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#include <linux/kernel.h>
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| 24 |
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#include <linux/sched.h>
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#include <linux/mm.h>
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| 26 |
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#include <linux/fs.h>
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| 27 |
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#include <linux/file.h>
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| 28 |
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#include <linux/string.h>
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| 29 |
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#include <linux/errno.h>
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| 30 |
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#include <linux/slab.h>
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| 31 |
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#include <linux/videodev.h>
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#include <media/v4l2-common.h>
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| 34 |
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#include <asm/uaccess.h>
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| 35 |
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#include <asm/system.h>
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| 36 |
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#include <asm/pgtable.h>
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| 37 |
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| 38 |
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#ifdef CONFIG_KMOD
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#include <linux/kmod.h>
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| 40 |
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#endif
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| 41 |
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| 42 |
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static unsigned int debug = 0;
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| 43 |
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module_param(debug, int, 0644);
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| 44 |
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MODULE_PARM_DESC(debug,"enable debug messages");
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MODULE_AUTHOR("Bill Dirks");
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MODULE_DESCRIPTION("v4l(1) compatibility layer for v4l2 drivers.");
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MODULE_LICENSE("GPL");
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| 49 |
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#define dprintk(fmt, arg...) if (debug) \
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printk(KERN_DEBUG "v4l1-compat: " fmt , ## arg)
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/*
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* I O C T L T R A N S L A T I O N
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*
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* From here on down is the code for translating the numerous
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* ioctl commands from the old API to the new API.
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*/
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| 59 |
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static int
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get_v4l_control(struct inode *inode,
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| 61 |
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struct file *file,
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| 62 |
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int cid,
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| 63 |
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v4l2_kioctl drv)
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| 64 |
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{
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| 65 |
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struct v4l2_queryctrl qctrl2;
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| 66 |
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struct v4l2_control ctrl2;
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| 67 |
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int err;
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| 68 |
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| 69 |
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qctrl2.id = cid;
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| 70 |
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err = drv(inode, file, VIDIOC_QUERYCTRL, &qctrl2);
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| 71 |
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if (err < 0)
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dprintk("VIDIOC_QUERYCTRL: %d\n",err);
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| 73 |
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if (err == 0 &&
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| 74 |
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!(qctrl2.flags & V4L2_CTRL_FLAG_DISABLED))
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| 75 |
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{
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| 76 |
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ctrl2.id = qctrl2.id;
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err = drv(inode, file, VIDIOC_G_CTRL, &ctrl2);
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| 78 |
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if (err < 0) {
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dprintk("VIDIOC_G_CTRL: %d\n",err);
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| 80 |
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return 0;
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| 81 |
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}
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| 82 |
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return ((ctrl2.value - qctrl2.minimum) * 65535
|
| 83 |
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+ (qctrl2.maximum - qctrl2.minimum) / 2)
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| 84 |
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/ (qctrl2.maximum - qctrl2.minimum);
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| 85 |
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}
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| 86 |
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return 0;
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| 87 |
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}
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| 88 |
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| 89 |
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static int
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| 90 |
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set_v4l_control(struct inode *inode,
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| 91 |
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struct file *file,
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| 92 |
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int cid,
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| 93 |
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int value,
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| 94 |
|
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v4l2_kioctl drv)
|
| 95 |
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{
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| 96 |
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struct v4l2_queryctrl qctrl2;
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| 97 |
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struct v4l2_control ctrl2;
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| 98 |
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int err;
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| 99 |
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| 100 |
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qctrl2.id = cid;
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| 101 |
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err = drv(inode, file, VIDIOC_QUERYCTRL, &qctrl2);
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| 102 |
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if (err < 0)
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| 103 |
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dprintk("VIDIOC_QUERYCTRL: %d\n",err);
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| 104 |
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if (err == 0 &&
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| 105 |
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!(qctrl2.flags & V4L2_CTRL_FLAG_DISABLED) &&
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| 106 |
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!(qctrl2.flags & V4L2_CTRL_FLAG_GRABBED))
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| 107 |
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{
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| 108 |
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if (value < 0)
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| 109 |
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value = 0;
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| 110 |
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if (value > 65535)
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| 111 |
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value = 65535;
|
| 112 |
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if (value && qctrl2.type == V4L2_CTRL_TYPE_BOOLEAN)
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| 113 |
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value = 65535;
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| 114 |
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ctrl2.id = qctrl2.id;
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| 115 |
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ctrl2.value =
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| 116 |
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(value * (qctrl2.maximum - qctrl2.minimum)
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| 117 |
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+ 32767)
|
| 118 |
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/ 65535;
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| 119 |
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ctrl2.value += qctrl2.minimum;
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| 120 |
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err = drv(inode, file, VIDIOC_S_CTRL, &ctrl2);
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| 121 |
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if (err < 0)
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| 122 |
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dprintk("VIDIOC_S_CTRL: %d\n",err);
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| 123 |
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}
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| 124 |
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return 0;
|
| 125 |
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}
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| 126 |
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| 127 |
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/* ----------------------------------------------------------------- */
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| 128 |
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|
| 129 |
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const static unsigned int palette2pixelformat[] = {
|
| 130 |
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[VIDEO_PALETTE_GREY] = V4L2_PIX_FMT_GREY,
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| 131 |
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[VIDEO_PALETTE_RGB555] = V4L2_PIX_FMT_RGB555,
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[VIDEO_PALETTE_RGB565] = V4L2_PIX_FMT_RGB565,
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[VIDEO_PALETTE_RGB24] = V4L2_PIX_FMT_BGR24,
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[VIDEO_PALETTE_RGB32] = V4L2_PIX_FMT_BGR32,
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| 135 |
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/* yuv packed pixel */
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| 136 |
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[VIDEO_PALETTE_YUYV] = V4L2_PIX_FMT_YUYV,
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| 137 |
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[VIDEO_PALETTE_YUV422] = V4L2_PIX_FMT_YUYV,
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| 138 |
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[VIDEO_PALETTE_UYVY] = V4L2_PIX_FMT_UYVY,
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/* yuv planar */
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[VIDEO_PALETTE_YUV410P] = V4L2_PIX_FMT_YUV410,
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[VIDEO_PALETTE_YUV420] = V4L2_PIX_FMT_YUV420,
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[VIDEO_PALETTE_YUV420P] = V4L2_PIX_FMT_YUV420,
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[VIDEO_PALETTE_YUV411P] = V4L2_PIX_FMT_YUV411P,
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[VIDEO_PALETTE_YUV422P] = V4L2_PIX_FMT_YUV422P,
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| 145 |
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};
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| 146 |
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| 147 |
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static unsigned int __pure
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| 148 |
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palette_to_pixelformat(unsigned int palette)
|
| 149 |
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{
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| 150 |
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if (palette < ARRAY_SIZE(palette2pixelformat))
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| 151 |
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return palette2pixelformat[palette];
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| 152 |
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else
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| 153 |
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return 0;
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| 154 |
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}
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| 155 |
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| 156 |
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static unsigned int __attribute_const__
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| 157 |
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pixelformat_to_palette(unsigned int pixelformat)
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| 158 |
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{
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| 159 |
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int palette = 0;
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| 160 |
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switch (pixelformat)
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| 161 |
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{
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| 162 |
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case V4L2_PIX_FMT_GREY:
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| 163 |
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palette = VIDEO_PALETTE_GREY;
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| 164 |
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break;
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| 165 |
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case V4L2_PIX_FMT_RGB555:
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| 166 |
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palette = VIDEO_PALETTE_RGB555;
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| 167 |
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break;
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| 168 |
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case V4L2_PIX_FMT_RGB565:
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| 169 |
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palette = VIDEO_PALETTE_RGB565;
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| 170 |
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break;
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| 171 |
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case V4L2_PIX_FMT_BGR24:
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| 172 |
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palette = VIDEO_PALETTE_RGB24;
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| 173 |
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break;
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| 174 |
|
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case V4L2_PIX_FMT_BGR32:
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| 175 |
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palette = VIDEO_PALETTE_RGB32;
|
| 176 |
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break;
|
| 177 |
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/* yuv packed pixel */
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| 178 |
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case V4L2_PIX_FMT_YUYV:
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| 179 |
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palette = VIDEO_PALETTE_YUYV;
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| 180 |
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break;
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| 181 |
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case V4L2_PIX_FMT_UYVY:
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| 182 |
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palette = VIDEO_PALETTE_UYVY;
|
| 183 |
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break;
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| 184 |
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/* yuv planar */
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| 185 |
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case V4L2_PIX_FMT_YUV410:
|
| 186 |
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palette = VIDEO_PALETTE_YUV420;
|
| 187 |
|
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break;
|
| 188 |
|
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case V4L2_PIX_FMT_YUV420:
|
| 189 |
|
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palette = VIDEO_PALETTE_YUV420;
|
| 190 |
|
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break;
|
| 191 |
|
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case V4L2_PIX_FMT_YUV411P:
|
| 192 |
|
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palette = VIDEO_PALETTE_YUV411P;
|
| 193 |
|
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break;
|
| 194 |
|
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case V4L2_PIX_FMT_YUV422P:
|
| 195 |
|
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palette = VIDEO_PALETTE_YUV422P;
|
| 196 |
|
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break;
|
| 197 |
|
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}
|
| 198 |
|
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return palette;
|
| 199 |
|
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}
|
| 200 |
|
|
|
| 201 |
|
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/* ----------------------------------------------------------------- */
|
| 202 |
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|
| 203 |
|
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static int poll_one(struct file *file)
|
| 204 |
|
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{
|
| 205 |
|
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int retval = 1;
|
| 206 |
|
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poll_table *table;
|
| 207 |
|
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struct poll_wqueues pwq;
|
| 208 |
|
|
|
| 209 |
|
|
poll_initwait(&pwq);
|
| 210 |
|
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table = &pwq.pt;
|
| 211 |
|
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for (;;) {
|
| 212 |
|
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int mask;
|
| 213 |
|
|
set_current_state(TASK_INTERRUPTIBLE);
|
| 214 |
|
|
mask = file->f_op->poll(file, table);
|
| 215 |
|
|
if (mask & POLLIN)
|
| 216 |
|
|
break;
|
| 217 |
|
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table = NULL;
|
| 218 |
|
|
if (signal_pending(current)) {
|
| 219 |
|
|
retval = -ERESTARTSYS;
|
| 220 |
|
|
break;
|
| 221 |
|
|
}
|
| 222 |
|
|
schedule();
|
| 223 |
|
|
}
|
| 224 |
|
|
set_current_state(TASK_RUNNING);
|
| 225 |
|
|
poll_freewait(&pwq);
|
| 226 |
|
|
return retval;
|
| 227 |
|
|
}
|
| 228 |
|
|
|
| 229 |
|
|
static int count_inputs(struct inode *inode,
|
| 230 |
|
|
struct file *file,
|
| 231 |
|
|
v4l2_kioctl drv)
|
| 232 |
|
|
{
|
| 233 |
|
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struct v4l2_input input2;
|
| 234 |
|
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int i;
|
| 235 |
|
|
|
| 236 |
|
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for (i = 0;; i++) {
|
| 237 |
|
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memset(&input2,0,sizeof(input2));
|
| 238 |
|
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input2.index = i;
|
| 239 |
|
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if (0 != drv(inode,file,VIDIOC_ENUMINPUT, &input2))
|
| 240 |
|
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break;
|
| 241 |
|
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}
|
| 242 |
|
|
return i;
|
| 243 |
|
|
}
|
| 244 |
|
|
|
| 245 |
|
|
static int check_size(struct inode *inode,
|
| 246 |
|
|
struct file *file,
|
| 247 |
|
|
v4l2_kioctl drv,
|
| 248 |
|
|
int *maxw, int *maxh)
|
| 249 |
|
|
{
|
| 250 |
|
|
struct v4l2_fmtdesc desc2;
|
| 251 |
|
|
struct v4l2_format fmt2;
|
| 252 |
|
|
|
| 253 |
|
|
memset(&desc2,0,sizeof(desc2));
|
| 254 |
|
|
memset(&fmt2,0,sizeof(fmt2));
|
| 255 |
|
|
|
| 256 |
|
|
desc2.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
|
| 257 |
|
|
if (0 != drv(inode,file,VIDIOC_ENUM_FMT, &desc2))
|
| 258 |
|
|
goto done;
|
| 259 |
|
|
|
| 260 |
|
|
fmt2.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
|
| 261 |
|
|
fmt2.fmt.pix.width = 10000;
|
| 262 |
|
|
fmt2.fmt.pix.height = 10000;
|
| 263 |
|
|
fmt2.fmt.pix.pixelformat = desc2.pixelformat;
|
| 264 |
|
|
if (0 != drv(inode,file,VIDIOC_TRY_FMT, &fmt2))
|
| 265 |
|
|
goto done;
|
| 266 |
|
|
|
| 267 |
|
|
*maxw = fmt2.fmt.pix.width;
|
| 268 |
|
|
*maxh = fmt2.fmt.pix.height;
|
| 269 |
|
|
|
| 270 |
|
|
done:
|
| 271 |
|
|
return 0;
|
| 272 |
|
|
}
|
| 273 |
|
|
|
| 274 |
|
|
/* ----------------------------------------------------------------- */
|
| 275 |
|
|
|
| 276 |
|
|
/*
|
| 277 |
|
|
* This function is exported.
|
| 278 |
|
|
*/
|
| 279 |
|
|
int
|
| 280 |
|
|
v4l_compat_translate_ioctl(struct inode *inode,
|
| 281 |
|
|
struct file *file,
|
| 282 |
|
|
int cmd,
|
| 283 |
|
|
void *arg,
|
| 284 |
|
|
v4l2_kioctl drv)
|
| 285 |
|
|
{
|
| 286 |
|
|
struct v4l2_capability *cap2 = NULL;
|
| 287 |
|
|
struct v4l2_format *fmt2 = NULL;
|
| 288 |
|
|
enum v4l2_buf_type captype = V4L2_BUF_TYPE_VIDEO_CAPTURE;
|
| 289 |
|
|
|
| 290 |
|
|
struct v4l2_framebuffer fbuf2;
|
| 291 |
|
|
struct v4l2_input input2;
|
| 292 |
|
|
struct v4l2_tuner tun2;
|
| 293 |
|
|
struct v4l2_standard std2;
|
| 294 |
|
|
struct v4l2_frequency freq2;
|
| 295 |
|
|
struct v4l2_audio aud2;
|
| 296 |
|
|
struct v4l2_queryctrl qctrl2;
|
| 297 |
|
|
struct v4l2_buffer buf2;
|
| 298 |
|
|
v4l2_std_id sid;
|
| 299 |
|
|
int i, err = 0;
|
| 300 |
|
|
|
| 301 |
|
|
switch (cmd) {
|
| 302 |
|
|
case VIDIOCGCAP: /* capability */
|
| 303 |
|
|
{
|
| 304 |
|
|
struct video_capability *cap = arg;
|
| 305 |
|
|
|
| 306 |
|
|
cap2 = kzalloc(sizeof(*cap2),GFP_KERNEL);
|
| 307 |
|
|
memset(cap, 0, sizeof(*cap));
|
| 308 |
|
|
memset(&fbuf2, 0, sizeof(fbuf2));
|
| 309 |
|
|
|
| 310 |
|
|
err = drv(inode, file, VIDIOC_QUERYCAP, cap2);
|
| 311 |
|
|
if (err < 0) {
|
| 312 |
|
|
dprintk("VIDIOCGCAP / VIDIOC_QUERYCAP: %d\n",err);
|
| 313 |
|
|
break;
|
| 314 |
|
|
}
|
| 315 |
|
|
if (cap2->capabilities & V4L2_CAP_VIDEO_OVERLAY) {
|
| 316 |
|
|
err = drv(inode, file, VIDIOC_G_FBUF, &fbuf2);
|
| 317 |
|
|
if (err < 0) {
|
| 318 |
|
|
dprintk("VIDIOCGCAP / VIDIOC_G_FBUF: %d\n",err);
|
| 319 |
|
|
memset(&fbuf2, 0, sizeof(fbuf2));
|
| 320 |
|
|
}
|
| 321 |
|
|
err = 0;
|
| 322 |
|
|
}
|
| 323 |
|
|
|
| 324 |
|
|
memcpy(cap->name, cap2->card,
|
| 325 |
|
|
min(sizeof(cap->name), sizeof(cap2->card)));
|
| 326 |
|
|
cap->name[sizeof(cap->name) - 1] = 0;
|
| 327 |
|
|
if (cap2->capabilities & V4L2_CAP_VIDEO_CAPTURE)
|
| 328 |
|
|
cap->type |= VID_TYPE_CAPTURE;
|
| 329 |
|
|
if (cap2->capabilities & V4L2_CAP_TUNER)
|
| 330 |
|
|
cap->type |= VID_TYPE_TUNER;
|
| 331 |
|
|
if (cap2->capabilities & V4L2_CAP_VBI_CAPTURE)
|
| 332 |
|
|
cap->type |= VID_TYPE_TELETEXT;
|
| 333 |
|
|
if (cap2->capabilities & V4L2_CAP_VIDEO_OVERLAY)
|
| 334 |
|
|
cap->type |= VID_TYPE_OVERLAY;
|
| 335 |
|
|
if (fbuf2.capability & V4L2_FBUF_CAP_LIST_CLIPPING)
|
| 336 |
|
|
cap->type |= VID_TYPE_CLIPPING;
|
| 337 |
|
|
|
| 338 |
|
|
cap->channels = count_inputs(inode,file,drv);
|
| 339 |
|
|
check_size(inode,file,drv,
|
| 340 |
|
|
&cap->maxwidth,&cap->maxheight);
|
| 341 |
|
|
cap->audios = 0; /* FIXME */
|
| 342 |
|
|
cap->minwidth = 48; /* FIXME */
|
| 343 |
|
|
cap->minheight = 32; /* FIXME */
|
| 344 |
|
|
break;
|
| 345 |
|
|
}
|
| 346 |
|
|
case VIDIOCGFBUF: /* get frame buffer */
|
| 347 |
|
|
{
|
| 348 |
|
|
struct video_buffer *buffer = arg;
|
| 349 |
|
|
|
| 350 |
|
|
memset(buffer, 0, sizeof(*buffer));
|
| 351 |
|
|
memset(&fbuf2, 0, sizeof(fbuf2));
|
| 352 |
|
|
|
| 353 |
|
|
err = drv(inode, file, VIDIOC_G_FBUF, &fbuf2);
|
| 354 |
|
|
if (err < 0) {
|
| 355 |
|
|
dprintk("VIDIOCGFBUF / VIDIOC_G_FBUF: %d\n",err);
|
| 356 |
|
|
break;
|
| 357 |
|
|
}
|
| 358 |
|
|
buffer->base = fbuf2.base;
|
| 359 |
|
|
buffer->height = fbuf2.fmt.height;
|
| 360 |
|
|
buffer->width = fbuf2.fmt.width;
|
| 361 |
|
|
|
| 362 |
|
|
switch (fbuf2.fmt.pixelformat) {
|
| 363 |
|
|
case V4L2_PIX_FMT_RGB332:
|
| 364 |
|
|
buffer->depth = 8;
|
| 365 |
|
|
break;
|
| 366 |
|
|
case V4L2_PIX_FMT_RGB555:
|
| 367 |
|
|
buffer->depth = 15;
|
| 368 |
|
|
break;
|
| 369 |
|
|
case V4L2_PIX_FMT_RGB565:
|
| 370 |
|
|
buffer->depth = 16;
|
| 371 |
|
|
break;
|
| 372 |
|
|
case V4L2_PIX_FMT_BGR24:
|
| 373 |
|
|
buffer->depth = 24;
|
| 374 |
|
|
break;
|
| 375 |
|
|
case V4L2_PIX_FMT_BGR32:
|
| 376 |
|
|
buffer->depth = 32;
|
| 377 |
|
|
break;
|
| 378 |
|
|
default:
|
| 379 |
|
|
buffer->depth = 0;
|
| 380 |
|
|
}
|
| 381 |
|
|
if (fbuf2.fmt.bytesperline) {
|
| 382 |
|
|
buffer->bytesperline = fbuf2.fmt.bytesperline;
|
| 383 |
|
|
if (!buffer->depth && buffer->width)
|
| 384 |
|
|
buffer->depth = ((fbuf2.fmt.bytesperline<<3)
|
| 385 |
|
|
+ (buffer->width-1) )
|
| 386 |
|
|
/buffer->width;
|
| 387 |
|
|
} else {
|
| 388 |
|
|
buffer->bytesperline =
|
| 389 |
|
|
(buffer->width * buffer->depth + 7) & 7;
|
| 390 |
|
|
buffer->bytesperline >>= 3;
|
| 391 |
|
|
}
|
| 392 |
|
|
break;
|
| 393 |
|
|
}
|
| 394 |
|
|
case VIDIOCSFBUF: /* set frame buffer */
|
| 395 |
|
|
{
|
| 396 |
|
|
struct video_buffer *buffer = arg;
|
| 397 |
|
|
|
| 398 |
|
|
memset(&fbuf2, 0, sizeof(fbuf2));
|
| 399 |
|
|
fbuf2.base = buffer->base;
|
| 400 |
|
|
fbuf2.fmt.height = buffer->height;
|
| 401 |
|
|
fbuf2.fmt.width = buffer->width;
|
| 402 |
|
|
switch (buffer->depth) {
|
| 403 |
|
|
case 8:
|
| 404 |
|
|
fbuf2.fmt.pixelformat = V4L2_PIX_FMT_RGB332;
|
| 405 |
|
|
break;
|
| 406 |
|
|
case 15:
|
| 407 |
|
|
fbuf2.fmt.pixelformat = V4L2_PIX_FMT_RGB555;
|
| 408 |
|
|
break;
|
| 409 |
|
|
case 16:
|
| 410 |
|
|
fbuf2.fmt.pixelformat = V4L2_PIX_FMT_RGB565;
|
| 411 |
|
|
break;
|
| 412 |
|
|
case 24:
|
| 413 |
|
|
fbuf2.fmt.pixelformat = V4L2_PIX_FMT_BGR24;
|
| 414 |
|
|
break;
|
| 415 |
|
|
case 32:
|
| 416 |
|
|
fbuf2.fmt.pixelformat = V4L2_PIX_FMT_BGR32;
|
| 417 |
|
|
break;
|
| 418 |
|
|
}
|
| 419 |
|
|
fbuf2.fmt.bytesperline = buffer->bytesperline;
|
| 420 |
|
|
err = drv(inode, file, VIDIOC_S_FBUF, &fbuf2);
|
| 421 |
|
|
if (err < 0)
|
| 422 |
|
|
dprintk("VIDIOCSFBUF / VIDIOC_S_FBUF: %d\n",err);
|
| 423 |
|
|
break;
|
| 424 |
|
|
}
|
| 425 |
|
|
case VIDIOCGWIN: /* get window or capture dimensions */
|
| 426 |
|
|
{
|
| 427 |
|
|
struct video_window *win = arg;
|
| 428 |
|
|
|
| 429 |
|
|
fmt2 = kzalloc(sizeof(*fmt2),GFP_KERNEL);
|
| 430 |
|
|
memset(win,0,sizeof(*win));
|
| 431 |
|
|
|
| 432 |
|
|
fmt2->type = V4L2_BUF_TYPE_VIDEO_OVERLAY;
|
| 433 |
|
|
err = drv(inode, file, VIDIOC_G_FMT, fmt2);
|
| 434 |
|
|
if (err < 0)
|
| 435 |
|
|
dprintk("VIDIOCGWIN / VIDIOC_G_WIN: %d\n",err);
|
| 436 |
|
|
if (err == 0) {
|
| 437 |
|
|
win->x = fmt2->fmt.win.w.left;
|
| 438 |
|
|
win->y = fmt2->fmt.win.w.top;
|
| 439 |
|
|
win->width = fmt2->fmt.win.w.width;
|
| 440 |
|
|
win->height = fmt2->fmt.win.w.height;
|
| 441 |
|
|
win->chromakey = fmt2->fmt.win.chromakey;
|
| 442 |
|
|
win->clips = NULL;
|
| 443 |
|
|
win->clipcount = 0;
|
| 444 |
|
|
break;
|
| 445 |
|
|
}
|
| 446 |
|
|
|
| 447 |
|
|
fmt2->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
|
| 448 |
|
|
err = drv(inode, file, VIDIOC_G_FMT, fmt2);
|
| 449 |
|
|
if (err < 0) {
|
| 450 |
|
|
dprintk("VIDIOCGWIN / VIDIOC_G_FMT: %d\n",err);
|
| 451 |
|
|
break;
|
| 452 |
|
|
}
|
| 453 |
|
|
win->x = 0;
|
| 454 |
|
|
win->y = 0;
|
| 455 |
|
|
win->width = fmt2->fmt.pix.width;
|
| 456 |
|
|
win->height = fmt2->fmt.pix.height;
|
| 457 |
|
|
win->chromakey = 0;
|
| 458 |
|
|
win->clips = NULL;
|
| 459 |
|
|
win->clipcount = 0;
|
| 460 |
|
|
break;
|
| 461 |
|
|
}
|
| 462 |
|
|
case VIDIOCSWIN: /* set window and/or capture dimensions */
|
| 463 |
|
|
{
|
| 464 |
|
|
struct video_window *win = arg;
|
| 465 |
|
|
int err1,err2;
|
| 466 |
|
|
|
| 467 |
|
|
fmt2 = kzalloc(sizeof(*fmt2),GFP_KERNEL);
|
| 468 |
|
|
fmt2->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
|
| 469 |
|
|
drv(inode, file, VIDIOC_STREAMOFF, &fmt2->type);
|
| 470 |
|
|
err1 = drv(inode, file, VIDIOC_G_FMT, fmt2);
|
| 471 |
|
|
if (err1 < 0)
|
| 472 |
|
|
dprintk("VIDIOCSWIN / VIDIOC_G_FMT: %d\n",err);
|
| 473 |
|
|
if (err1 == 0) {
|
| 474 |
|
|
fmt2->fmt.pix.width = win->width;
|
| 475 |
|
|
fmt2->fmt.pix.height = win->height;
|
| 476 |
|
|
fmt2->fmt.pix.field = V4L2_FIELD_ANY;
|
| 477 |
|
|
fmt2->fmt.pix.bytesperline = 0;
|
| 478 |
|
|
err = drv(inode, file, VIDIOC_S_FMT, fmt2);
|
| 479 |
|
|
if (err < 0)
|
| 480 |
|
|
dprintk("VIDIOCSWIN / VIDIOC_S_FMT #1: %d\n",
|
| 481 |
|
|
err);
|
| 482 |
|
|
win->width = fmt2->fmt.pix.width;
|
| 483 |
|
|
win->height = fmt2->fmt.pix.height;
|
| 484 |
|
|
}
|
| 485 |
|
|
|
| 486 |
|
|
memset(fmt2,0,sizeof(*fmt2));
|
| 487 |
|
|
fmt2->type = V4L2_BUF_TYPE_VIDEO_OVERLAY;
|
| 488 |
|
|
fmt2->fmt.win.w.left = win->x;
|
| 489 |
|
|
fmt2->fmt.win.w.top = win->y;
|
| 490 |
|
|
fmt2->fmt.win.w.width = win->width;
|
| 491 |
|
|
fmt2->fmt.win.w.height = win->height;
|
| 492 |
|
|
fmt2->fmt.win.chromakey = win->chromakey;
|
| 493 |
|
|
fmt2->fmt.win.clips = (void __user *)win->clips;
|
| 494 |
|
|
fmt2->fmt.win.clipcount = win->clipcount;
|
| 495 |
|
|
err2 = drv(inode, file, VIDIOC_S_FMT, fmt2);
|
| 496 |
|
|
if (err2 < 0)
|
| 497 |
|
|
dprintk("VIDIOCSWIN / VIDIOC_S_FMT #2: %d\n",err);
|
| 498 |
|
|
|
| 499 |
|
|
if (err1 != 0 && err2 != 0)
|
| 500 |
|
|
err = err1;
|
| 501 |
|
|
break;
|
| 502 |
|
|
}
|
| 503 |
|
|
case VIDIOCCAPTURE: /* turn on/off preview */
|
| 504 |
|
|
{
|
| 505 |
|
|
int *on = arg;
|
| 506 |
|
|
|
| 507 |
|
|
if (0 == *on) {
|
| 508 |
|
|
/* dirty hack time. But v4l1 has no STREAMOFF
|
| 509 |
|
|
* equivalent in the API, and this one at
|
| 510 |
|
|
* least comes close ... */
|
| 511 |
|
|
drv(inode, file, VIDIOC_STREAMOFF, &captype);
|
| 512 |
|
|
}
|
| 513 |
|
|
err = drv(inode, file, VIDIOC_OVERLAY, arg);
|
| 514 |
|
|
if (err < 0)
|
| 515 |
|
|
dprintk("VIDIOCCAPTURE / VIDIOC_PREVIEW: %d\n",err);
|
| 516 |
|
|
break;
|
| 517 |
|
|
}
|
| 518 |
|
|
case VIDIOCGCHAN: /* get input information */
|
| 519 |
|
|
{
|
| 520 |
|
|
struct video_channel *chan = arg;
|
| 521 |
|
|
|
| 522 |
|
|
memset(&input2,0,sizeof(input2));
|
| 523 |
|
|
input2.index = chan->channel;
|
| 524 |
|
|
err = drv(inode, file, VIDIOC_ENUMINPUT, &input2);
|
| 525 |
|
|
if (err < 0) {
|
| 526 |
|
|
dprintk("VIDIOCGCHAN / VIDIOC_ENUMINPUT: "
|
| 527 |
|
|
"channel=%d err=%d\n",chan->channel,err);
|
| 528 |
|
|
break;
|
| 529 |
|
|
}
|
| 530 |
|
|
chan->channel = input2.index;
|
| 531 |
|
|
memcpy(chan->name, input2.name,
|
| 532 |
|
|
min(sizeof(chan->name), sizeof(input2.name)));
|
| 533 |
|
|
chan->name[sizeof(chan->name) - 1] = 0;
|
| 534 |
|
|
chan->tuners = (input2.type == V4L2_INPUT_TYPE_TUNER) ? 1 : 0;
|
| 535 |
|
|
chan->flags = (chan->tuners) ? VIDEO_VC_TUNER : 0;
|
| 536 |
|
|
switch (input2.type) {
|
| 537 |
|
|
case V4L2_INPUT_TYPE_TUNER:
|
| 538 |
|
|
chan->type = VIDEO_TYPE_TV;
|
| 539 |
|
|
break;
|
| 540 |
|
|
default:
|
| 541 |
|
|
case V4L2_INPUT_TYPE_CAMERA:
|
| 542 |
|
|
chan->type = VIDEO_TYPE_CAMERA;
|
| 543 |
|
|
break;
|
| 544 |
|
|
}
|
| 545 |
|
|
chan->norm = 0;
|
| 546 |
|
|
err = drv(inode, file, VIDIOC_G_STD, &sid);
|
| 547 |
|
|
if (err < 0)
|
| 548 |
|
|
dprintk("VIDIOCGCHAN / VIDIOC_G_STD: %d\n",err);
|
| 549 |
|
|
if (err == 0) {
|
| 550 |
|
|
if (sid & V4L2_STD_PAL)
|
| 551 |
|
|
chan->norm = VIDEO_MODE_PAL;
|
| 552 |
|
|
if (sid & V4L2_STD_NTSC)
|
| 553 |
|
|
chan->norm = VIDEO_MODE_NTSC;
|
| 554 |
|
|
if (sid & V4L2_STD_SECAM)
|
| 555 |
|
|
chan->norm = VIDEO_MODE_SECAM;
|
| 556 |
|
|
}
|
| 557 |
|
|
break;
|
| 558 |
|
|
}
|
| 559 |
|
|
case VIDIOCSCHAN: /* set input */
|
| 560 |
|
|
{
|
| 561 |
|
|
struct video_channel *chan = arg;
|
| 562 |
|
|
|
| 563 |
|
|
sid = 0;
|
| 564 |
|
|
err = drv(inode, file, VIDIOC_S_INPUT, &chan->channel);
|
| 565 |
|
|
if (err < 0)
|
| 566 |
|
|
dprintk("VIDIOCSCHAN / VIDIOC_S_INPUT: %d\n",err);
|
| 567 |
|
|
switch (chan->norm) {
|
| 568 |
|
|
case VIDEO_MODE_PAL:
|
| 569 |
|
|
sid = V4L2_STD_PAL;
|
| 570 |
|
|
break;
|
| 571 |
|
|
case VIDEO_MODE_NTSC:
|
| 572 |
|
|
sid = V4L2_STD_NTSC;
|
| 573 |
|
|
break;
|
| 574 |
|
|
case VIDEO_MODE_SECAM:
|
| 575 |
|
|
sid = V4L2_STD_SECAM;
|
| 576 |
|
|
break;
|
| 577 |
|
|
}
|
| 578 |
|
|
if (0 != sid) {
|
| 579 |
|
|
err = drv(inode, file, VIDIOC_S_STD, &sid);
|
| 580 |
|
|
if (err < 0)
|
| 581 |
|
|
dprintk("VIDIOCSCHAN / VIDIOC_S_STD: %d\n",err);
|
| 582 |
|
|
}
|
| 583 |
|
|
break;
|
| 584 |
|
|
}
|
| 585 |
|
|
case VIDIOCGPICT: /* get tone controls & partial capture format */
|
| 586 |
|
|
{
|
| 587 |
|
|
struct video_picture *pict = arg;
|
| 588 |
|
|
|
| 589 |
|
|
pict->brightness = get_v4l_control(inode, file,
|
| 590 |
|
|
V4L2_CID_BRIGHTNESS,drv);
|
| 591 |
|
|
pict->hue = get_v4l_control(inode, file,
|
| 592 |
|
|
V4L2_CID_HUE, drv);
|
| 593 |
|
|
pict->contrast = get_v4l_control(inode, file,
|
| 594 |
|
|
V4L2_CID_CONTRAST, drv);
|
| 595 |
|
|
pict->colour = get_v4l_control(inode, file,
|
| 596 |
|
|
V4L2_CID_SATURATION, drv);
|
| 597 |
|
|
pict->whiteness = get_v4l_control(inode, file,
|
| 598 |
|
|
V4L2_CID_WHITENESS, drv);
|
| 599 |
|
|
|
| 600 |
|
|
fmt2 = kzalloc(sizeof(*fmt2),GFP_KERNEL);
|
| 601 |
|
|
fmt2->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
|
| 602 |
|
|
err = drv(inode, file, VIDIOC_G_FMT, fmt2);
|
| 603 |
|
|
if (err < 0) {
|
| 604 |
|
|
dprintk("VIDIOCGPICT / VIDIOC_G_FMT: %d\n",err);
|
| 605 |
|
|
break;
|
| 606 |
|
|
}
|
| 607 |
|
|
|
| 608 |
|
|
pict->depth = ((fmt2->fmt.pix.bytesperline<<3)
|
| 609 |
|
|
+ (fmt2->fmt.pix.width-1) )
|
| 610 |
|
|
/fmt2->fmt.pix.width;
|
| 611 |
|
|
pict->palette = pixelformat_to_palette(
|
| 612 |
|
|
fmt2->fmt.pix.pixelformat);
|
| 613 |
|
|
break;
|
| 614 |
|
|
}
|
| 615 |
|
|
case VIDIOCSPICT: /* set tone controls & partial capture format */
|
| 616 |
|
|
{
|
| 617 |
|
|
struct video_picture *pict = arg;
|
| 618 |
|
|
int mem_err = 0, ovl_err = 0;
|
| 619 |
|
|
|
| 620 |
|
|
memset(&fbuf2, 0, sizeof(fbuf2));
|
| 621 |
|
|
|
| 622 |
|
|
set_v4l_control(inode, file,
|
| 623 |
|
|
V4L2_CID_BRIGHTNESS, pict->brightness, drv);
|
| 624 |
|
|
set_v4l_control(inode, file,
|
| 625 |
|
|
V4L2_CID_HUE, pict->hue, drv);
|
| 626 |
|
|
set_v4l_control(inode, file,
|
| 627 |
|
|
V4L2_CID_CONTRAST, pict->contrast, drv);
|
| 628 |
|
|
set_v4l_control(inode, file,
|
| 629 |
|
|
V4L2_CID_SATURATION, pict->colour, drv);
|
| 630 |
|
|
set_v4l_control(inode, file,
|
| 631 |
|
|
V4L2_CID_WHITENESS, pict->whiteness, drv);
|
| 632 |
|
|
/*
|
| 633 |
|
|
* V4L1 uses this ioctl to set both memory capture and overlay
|
| 634 |
|
|
* pixel format, while V4L2 has two different ioctls for this.
|
| 635 |
|
|
* Some cards may not support one or the other, and may support
|
| 636 |
|
|
* different pixel formats for memory vs overlay.
|
| 637 |
|
|
*/
|
| 638 |
|
|
|
| 639 |
|
|
fmt2 = kzalloc(sizeof(*fmt2),GFP_KERNEL);
|
| 640 |
|
|
fmt2->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
|
| 641 |
|
|
err = drv(inode, file, VIDIOC_G_FMT, fmt2);
|
| 642 |
|
|
/* If VIDIOC_G_FMT failed, then the driver likely doesn't
|
| 643 |
|
|
support memory capture. Trying to set the memory capture
|
| 644 |
|
|
parameters would be pointless. */
|
| 645 |
|
|
if (err < 0) {
|
| 646 |
|
|
dprintk("VIDIOCSPICT / VIDIOC_G_FMT: %d\n",err);
|
| 647 |
|
|
mem_err = -1000; /* didn't even try */
|
| 648 |
|
|
} else if (fmt2->fmt.pix.pixelformat !=
|
| 649 |
|
|
palette_to_pixelformat(pict->palette)) {
|
| 650 |
|
|
fmt2->fmt.pix.pixelformat = palette_to_pixelformat(
|
| 651 |
|
|
pict->palette);
|
| 652 |
|
|
mem_err = drv(inode, file, VIDIOC_S_FMT, fmt2);
|
| 653 |
|
|
if (mem_err < 0)
|
| 654 |
|
|
dprintk("VIDIOCSPICT / VIDIOC_S_FMT: %d\n",
|
| 655 |
|
|
mem_err);
|
| 656 |
|
|
}
|
| 657 |
|
|
|
| 658 |
|
|
err = drv(inode, file, VIDIOC_G_FBUF, &fbuf2);
|
| 659 |
|
|
/* If VIDIOC_G_FBUF failed, then the driver likely doesn't
|
| 660 |
|
|
support overlay. Trying to set the overlay parameters
|
| 661 |
|
|
would be quite pointless. */
|
| 662 |
|
|
if (err < 0) {
|
| 663 |
|
|
dprintk("VIDIOCSPICT / VIDIOC_G_FBUF: %d\n",err);
|
| 664 |
|
|
ovl_err = -1000; /* didn't even try */
|
| 665 |
|
|
} else if (fbuf2.fmt.pixelformat !=
|
| 666 |
|
|
palette_to_pixelformat(pict->palette)) {
|
| 667 |
|
|
fbuf2.fmt.pixelformat = palette_to_pixelformat(
|
| 668 |
|
|
pict->palette);
|
| 669 |
|
|
ovl_err = drv(inode, file, VIDIOC_S_FBUF, &fbuf2);
|
| 670 |
|
|
if (ovl_err < 0)
|
| 671 |
|
|
dprintk("VIDIOCSPICT / VIDIOC_S_FBUF: %d\n",
|
| 672 |
|
|
ovl_err);
|
| 673 |
|
|
}
|
| 674 |
|
|
if (ovl_err < 0 && mem_err < 0)
|
| 675 |
|
|
/* ioctl failed, couldn't set either parameter */
|
| 676 |
|
|
if (mem_err != -1000) {
|
| 677 |
|
|
err = mem_err;
|
| 678 |
|
|
} else if (ovl_err == -EPERM) {
|
| 679 |
|
|
err = 0;
|
| 680 |
|
|
} else {
|
| 681 |
|
|
err = ovl_err;
|
| 682 |
|
|
}
|
| 683 |
|
|
else
|
| 684 |
|
|
err = 0;
|
| 685 |
|
|
break;
|
| 686 |
|
|
}
|
| 687 |
|
|
case VIDIOCGTUNER: /* get tuner information */
|
| 688 |
|
|
{
|
| 689 |
|
|
struct video_tuner *tun = arg;
|
| 690 |
|
|
|
| 691 |
|
|
memset(&tun2,0,sizeof(tun2));
|
| 692 |
|
|
err = drv(inode, file, VIDIOC_G_TUNER, &tun2);
|
| 693 |
|
|
if (err < 0) {
|
| 694 |
|
|
dprintk("VIDIOCGTUNER / VIDIOC_G_TUNER: %d\n",err);
|
| 695 |
|
|
break;
|
| 696 |
|
|
}
|
| 697 |
|
|
memcpy(tun->name, tun2.name,
|
| 698 |
|
|
min(sizeof(tun->name), sizeof(tun2.name)));
|
| 699 |
|
|
tun->name[sizeof(tun->name) - 1] = 0;
|
| 700 |
|
|
tun->rangelow = tun2.rangelow;
|
| 701 |
|
|
tun->rangehigh = tun2.rangehigh;
|
| 702 |
|
|
tun->flags = 0;
|
| 703 |
|
|
tun->mode = VIDEO_MODE_AUTO;
|
| 704 |
|
|
|
| 705 |
|
|
for (i = 0; i < 64; i++) {
|
| 706 |
|
|
memset(&std2,0,sizeof(std2));
|
| 707 |
|
|
std2.index = i;
|
| 708 |
|
|
if (0 != drv(inode, file, VIDIOC_ENUMSTD, &std2))
|
| 709 |
|
|
break;
|
| 710 |
|
|
if (std2.id & V4L2_STD_PAL)
|
| 711 |
|
|
tun->flags |= VIDEO_TUNER_PAL;
|
| 712 |
|
|
if (std2.id & V4L2_STD_NTSC)
|
| 713 |
|
|
tun->flags |= VIDEO_TUNER_NTSC;
|
| 714 |
|
|
if (std2.id & V4L2_STD_SECAM)
|
| 715 |
|
|
tun->flags |= VIDEO_TUNER_SECAM;
|
| 716 |
|
|
}
|
| 717 |
|
|
|
| 718 |
|
|
err = drv(inode, file, VIDIOC_G_STD, &sid);
|
| 719 |
|
|
if (err < 0)
|
| 720 |
|
|
dprintk("VIDIOCGTUNER / VIDIOC_G_STD: %d\n",err);
|
| 721 |
|
|
if (err == 0) {
|
| 722 |
|
|
if (sid & V4L2_STD_PAL)
|
| 723 |
|
|
tun->mode = VIDEO_MODE_PAL;
|
| 724 |
|
|
if (sid & V4L2_STD_NTSC)
|
| 725 |
|
|
tun->mode = VIDEO_MODE_NTSC;
|
| 726 |
|
|
if (sid & V4L2_STD_SECAM)
|
| 727 |
|
|
tun->mode = VIDEO_MODE_SECAM;
|
| 728 |
|
|
}
|
| 729 |
|
|
|
| 730 |
|
|
if (tun2.capability & V4L2_TUNER_CAP_LOW)
|
| 731 |
|
|
tun->flags |= VIDEO_TUNER_LOW;
|
| 732 |
|
|
if (tun2.rxsubchans & V4L2_TUNER_SUB_STEREO)
|
| 733 |
|
|
tun->flags |= VIDEO_TUNER_STEREO_ON;
|
| 734 |
|
|
tun->signal = tun2.signal;
|
| 735 |
|
|
break;
|
| 736 |
|
|
}
|
| 737 |
|
|
case VIDIOCSTUNER: /* select a tuner input */
|
| 738 |
|
|
{
|
| 739 |
|
|
struct video_tuner *tun = arg;
|
| 740 |
|
|
struct v4l2_tuner t;
|
| 741 |
|
|
memset(&t,0,sizeof(t));
|
| 742 |
|
|
|
| 743 |
|
|
t.index=tun->tuner;
|
| 744 |
|
|
|
| 745 |
|
|
err = drv(inode, file, VIDIOC_S_INPUT, &t);
|
| 746 |
|
|
if (err < 0)
|
| 747 |
|
|
dprintk("VIDIOCSTUNER / VIDIOC_S_INPUT: %d\n",err);
|
| 748 |
|
|
|
| 749 |
|
|
break;
|
| 750 |
|
|
}
|
| 751 |
|
|
case VIDIOCGFREQ: /* get frequency */
|
| 752 |
|
|
{
|
| 753 |
|
|
unsigned long *freq = arg;
|
| 754 |
|
|
memset(&freq2,0,sizeof(freq2));
|
| 755 |
|
|
|
| 756 |
|
|
freq2.tuner = 0;
|
| 757 |
|
|
err = drv(inode, file, VIDIOC_G_FREQUENCY, &freq2);
|
| 758 |
|
|
if (err < 0)
|
| 759 |
|
|
dprintk("VIDIOCGFREQ / VIDIOC_G_FREQUENCY: %d\n",err);
|
| 760 |
|
|
if (0 == err)
|
| 761 |
|
|
*freq = freq2.frequency;
|
| 762 |
|
|
break;
|
| 763 |
|
|
}
|
| 764 |
|
|
case VIDIOCSFREQ: /* set frequency */
|
| 765 |
|
|
{
|
| 766 |
|
|
unsigned long *freq = arg;
|
| 767 |
|
|
memset(&freq2,0,sizeof(freq2));
|
| 768 |
|
|
|
| 769 |
|
|
drv(inode, file, VIDIOC_G_FREQUENCY, &freq2);
|
| 770 |
|
|
freq2.frequency = *freq;
|
| 771 |
|
|
err = drv(inode, file, VIDIOC_S_FREQUENCY, &freq2);
|
| 772 |
|
|
if (err < 0)
|
| 773 |
|
|
dprintk("VIDIOCSFREQ / VIDIOC_S_FREQUENCY: %d\n",err);
|
| 774 |
|
|
break;
|
| 775 |
|
|
}
|
| 776 |
|
|
case VIDIOCGAUDIO: /* get audio properties/controls */
|
| 777 |
|
|
{
|
| 778 |
|
|
struct video_audio *aud = arg;
|
| 779 |
|
|
memset(&aud2,0,sizeof(aud2));
|
| 780 |
|
|
|
| 781 |
|
|
err = drv(inode, file, VIDIOC_G_AUDIO, &aud2);
|
| 782 |
|
|
if (err < 0) {
|
| 783 |
|
|
dprintk("VIDIOCGAUDIO / VIDIOC_G_AUDIO: %d\n",err);
|
| 784 |
|
|
break;
|
| 785 |
|
|
}
|
| 786 |
|
|
memcpy(aud->name, aud2.name,
|
| 787 |
|
|
min(sizeof(aud->name), sizeof(aud2.name)));
|
| 788 |
|
|
aud->name[sizeof(aud->name) - 1] = 0;
|
| 789 |
|
|
aud->audio = aud2.index;
|
| 790 |
|
|
aud->flags = 0;
|
| 791 |
|
|
i = get_v4l_control(inode, file, V4L2_CID_AUDIO_VOLUME, drv);
|
| 792 |
|
|
if (i >= 0) {
|
| 793 |
|
|
aud->volume = i;
|
| 794 |
|
|
aud->flags |= VIDEO_AUDIO_VOLUME;
|
| 795 |
|
|
}
|
| 796 |
|
|
i = get_v4l_control(inode, file, V4L2_CID_AUDIO_BASS, drv);
|
| 797 |
|
|
if (i >= 0) {
|
| 798 |
|
|
aud->bass = i;
|
| 799 |
|
|
aud->flags |= VIDEO_AUDIO_BASS;
|
| 800 |
|
|
}
|
| 801 |
|
|
i = get_v4l_control(inode, file, V4L2_CID_AUDIO_TREBLE, drv);
|
| 802 |
|
|
if (i >= 0) {
|
| 803 |
|
|
aud->treble = i;
|
| 804 |
|
|
aud->flags |= VIDEO_AUDIO_TREBLE;
|
| 805 |
|
|
}
|
| 806 |
|
|
i = get_v4l_control(inode, file, V4L2_CID_AUDIO_BALANCE, drv);
|
| 807 |
|
|
if (i >= 0) {
|
| 808 |
|
|
aud->balance = i;
|
| 809 |
|
|
aud->flags |= VIDEO_AUDIO_BALANCE;
|
| 810 |
|
|
}
|
| 811 |
|
|
i = get_v4l_control(inode, file, V4L2_CID_AUDIO_MUTE, drv);
|
| 812 |
|
|
if (i >= 0) {
|
| 813 |
|
|
if (i)
|
| 814 |
|
|
aud->flags |= VIDEO_AUDIO_MUTE;
|
| 815 |
|
|
aud->flags |= VIDEO_AUDIO_MUTABLE;
|
| 816 |
|
|
}
|
| 817 |
|
|
aud->step = 1;
|
| 818 |
|
|
qctrl2.id = V4L2_CID_AUDIO_VOLUME;
|
| 819 |
|
|
if (drv(inode, file, VIDIOC_QUERYCTRL, &qctrl2) == 0 &&
|
| 820 |
|
|
!(qctrl2.flags & V4L2_CTRL_FLAG_DISABLED))
|
| 821 |
|
|
aud->step = qctrl2.step;
|
| 822 |
|
|
aud->mode = 0;
|
| 823 |
|
|
|
| 824 |
|
|
memset(&tun2,0,sizeof(tun2));
|
| 825 |
|
|
err = drv(inode, file, VIDIOC_G_TUNER, &tun2);
|
| 826 |
|
|
if (err < 0) {
|
| 827 |
|
|
dprintk("VIDIOCGAUDIO / VIDIOC_G_TUNER: %d\n",err);
|
| 828 |
|
|
err = 0;
|
| 829 |
|
|
break;
|
| 830 |
|
|
}
|
| 831 |
|
|
|
| 832 |
|
|
if (tun2.rxsubchans & V4L2_TUNER_SUB_LANG2)
|
| 833 |
|
|
aud->mode = VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2;
|
| 834 |
|
|
else if (tun2.rxsubchans & V4L2_TUNER_SUB_STEREO)
|
| 835 |
|
|
aud->mode = VIDEO_SOUND_STEREO;
|
| 836 |
|
|
else if (tun2.rxsubchans & V4L2_TUNER_SUB_MONO)
|
| 837 |
|
|
aud->mode = VIDEO_SOUND_MONO;
|
| 838 |
|
|
break;
|
| 839 |
|
|
}
|
| 840 |
|
|
case VIDIOCSAUDIO: /* set audio controls */
|
| 841 |
|
|
{
|
| 842 |
|
|
struct video_audio *aud = arg;
|
| 843 |
|
|
|
| 844 |
|
|
memset(&aud2,0,sizeof(aud2));
|
| 845 |
|
|
memset(&tun2,0,sizeof(tun2));
|
| 846 |
|
|
|
| 847 |
|
|
aud2.index = aud->audio;
|
| 848 |
|
|
err = drv(inode, file, VIDIOC_S_AUDIO, &aud2);
|
| 849 |
|
|
if (err < 0) {
|
| 850 |
|
|
dprintk("VIDIOCSAUDIO / VIDIOC_S_AUDIO: %d\n",err);
|
| 851 |
|
|
break;
|
| 852 |
|
|
}
|
| 853 |
|
|
|
| 854 |
|
|
set_v4l_control(inode, file, V4L2_CID_AUDIO_VOLUME,
|
| 855 |
|
|
aud->volume, drv);
|
| 856 |
|
|
set_v4l_control(inode, file, V4L2_CID_AUDIO_BASS,
|
| 857 |
|
|
aud->bass, drv);
|
| 858 |
|
|
set_v4l_control(inode, file, V4L2_CID_AUDIO_TREBLE,
|
| 859 |
|
|
aud->treble, drv);
|
| 860 |
|
|
set_v4l_control(inode, file, V4L2_CID_AUDIO_BALANCE,
|
| 861 |
|
|
aud->balance, drv);
|
| 862 |
|
|
set_v4l_control(inode, file, V4L2_CID_AUDIO_MUTE,
|
| 863 |
|
|
!!(aud->flags & VIDEO_AUDIO_MUTE), drv);
|
| 864 |
|
|
|
| 865 |
|
|
err = drv(inode, file, VIDIOC_G_TUNER, &tun2);
|
| 866 |
|
|
if (err < 0)
|
| 867 |
|
|
dprintk("VIDIOCSAUDIO / VIDIOC_G_TUNER: %d\n",err);
|
| 868 |
|
|
if (err == 0) {
|
| 869 |
|
|
switch (aud->mode) {
|
| 870 |
|
|
default:
|
| 871 |
|
|
case VIDEO_SOUND_MONO:
|
| 872 |
|
|
case VIDEO_SOUND_LANG1:
|
| 873 |
|
|
tun2.audmode = V4L2_TUNER_MODE_MONO;
|
| 874 |
|
|
break;
|
| 875 |
|
|
case VIDEO_SOUND_STEREO:
|
| 876 |
|
|
tun2.audmode = V4L2_TUNER_MODE_STEREO;
|
| 877 |
|
|
break;
|
| 878 |
|
|
case VIDEO_SOUND_LANG2:
|
| 879 |
|
|
tun2.audmode = V4L2_TUNER_MODE_LANG2;
|
| 880 |
|
|
break;
|
| 881 |
|
|
}
|
| 882 |
|
|
err = drv(inode, file, VIDIOC_S_TUNER, &tun2);
|
| 883 |
|
|
if (err < 0)
|
| 884 |
|
|
dprintk("VIDIOCSAUDIO / VIDIOC_S_TUNER: %d\n",err);
|
| 885 |
|
|
}
|
| 886 |
|
|
err = 0;
|
| 887 |
|
|
break;
|
| 888 |
|
|
}
|
| 889 |
|
|
case VIDIOCMCAPTURE: /* capture a frame */
|
| 890 |
|
|
{
|
| 891 |
|
|
struct video_mmap *mm = arg;
|
| 892 |
|
|
|
| 893 |
|
|
fmt2 = kzalloc(sizeof(*fmt2),GFP_KERNEL);
|
| 894 |
|
|
memset(&buf2,0,sizeof(buf2));
|
| 895 |
|
|
|
| 896 |
|
|
fmt2->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
|
| 897 |
|
|
err = drv(inode, file, VIDIOC_G_FMT, fmt2);
|
| 898 |
|
|
if (err < 0) {
|
| 899 |
|
|
dprintk("VIDIOCMCAPTURE / VIDIOC_G_FMT: %d\n",err);
|
| 900 |
|
|
break;
|
| 901 |
|
|
}
|
| 902 |
|
|
if (mm->width != fmt2->fmt.pix.width ||
|
| 903 |
|
|
mm->height != fmt2->fmt.pix.height ||
|
| 904 |
|
|
palette_to_pixelformat(mm->format) !=
|
| 905 |
|
|
fmt2->fmt.pix.pixelformat)
|
| 906 |
|
|
{/* New capture format... */
|
| 907 |
|
|
fmt2->fmt.pix.width = mm->width;
|
| 908 |
|
|
fmt2->fmt.pix.height = mm->height;
|
| 909 |
|
|
fmt2->fmt.pix.pixelformat =
|
| 910 |
|
|
palette_to_pixelformat(mm->format);
|
| 911 |
|
|
fmt2->fmt.pix.field = V4L2_FIELD_ANY;
|
| 912 |
|
|
fmt2->fmt.pix.bytesperline = 0;
|
| 913 |
|
|
err = drv(inode, file, VIDIOC_S_FMT, fmt2);
|
| 914 |
|
|
if (err < 0) {
|
| 915 |
|
|
dprintk("VIDIOCMCAPTURE / VIDIOC_S_FMT: %d\n",err);
|
| 916 |
|
|
break;
|
| 917 |
|
|
}
|
| 918 |
|
|
}
|
| 919 |
|
|
buf2.index = mm->frame;
|
| 920 |
|
|
buf2.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
|
| 921 |
|
|
err = drv(inode, file, VIDIOC_QUERYBUF, &buf2);
|
| 922 |
|
|
if (err < 0) {
|
| 923 |
|
|
dprintk("VIDIOCMCAPTURE / VIDIOC_QUERYBUF: %d\n",err);
|
| 924 |
|
|
break;
|
| 925 |
|
|
}
|
| 926 |
|
|
err = drv(inode, file, VIDIOC_QBUF, &buf2);
|
| 927 |
|
|
if (err < 0) {
|
| 928 |
|
|
dprintk("VIDIOCMCAPTURE / VIDIOC_QBUF: %d\n",err);
|
| 929 |
|
|
break;
|
| 930 |
|
|
}
|
| 931 |
|
|
err = drv(inode, file, VIDIOC_STREAMON, &captype);
|
| 932 |
|
|
if (err < 0)
|
| 933 |
|
|
dprintk("VIDIOCMCAPTURE / VIDIOC_STREAMON: %d\n",err);
|
| 934 |
|
|
break;
|
| 935 |
|
|
}
|
| 936 |
|
|
case VIDIOCSYNC: /* wait for a frame */
|
| 937 |
|
|
{
|
| 938 |
|
|
int *i = arg;
|
| 939 |
|
|
|
| 940 |
|
|
memset(&buf2,0,sizeof(buf2));
|
| 941 |
|
|
buf2.index = *i;
|
| 942 |
|
|
buf2.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
|
| 943 |
|
|
err = drv(inode, file, VIDIOC_QUERYBUF, &buf2);
|
| 944 |
|
|
if (err < 0) {
|
| 945 |
|
|
/* No such buffer */
|
| 946 |
|
|
dprintk("VIDIOCSYNC / VIDIOC_QUERYBUF: %d\n",err);
|
| 947 |
|
|
break;
|
| 948 |
|
|
}
|
| 949 |
|
|
if (!(buf2.flags & V4L2_BUF_FLAG_MAPPED)) {
|
| 950 |
|
|
/* Buffer is not mapped */
|
| 951 |
|
|
err = -EINVAL;
|
| 952 |
|
|
break;
|
| 953 |
|
|
}
|
| 954 |
|
|
|
| 955 |
|
|
/* make sure capture actually runs so we don't block forever */
|
| 956 |
|
|
err = drv(inode, file, VIDIOC_STREAMON, &captype);
|
| 957 |
|
|
if (err < 0) {
|
| 958 |
|
|
dprintk("VIDIOCSYNC / VIDIOC_STREAMON: %d\n",err);
|
| 959 |
|
|
break;
|
| 960 |
|
|
}
|
| 961 |
|
|
|
| 962 |
|
|
/* Loop as long as the buffer is queued, but not done */
|
| 963 |
|
|
while ((buf2.flags &
|
| 964 |
|
|
(V4L2_BUF_FLAG_QUEUED | V4L2_BUF_FLAG_DONE))
|
| 965 |
|
|
== V4L2_BUF_FLAG_QUEUED)
|
| 966 |
|
|
{
|
| 967 |
|
|
err = poll_one(file);
|
| 968 |
|
|
if (err < 0 || /* error or sleep was interrupted */
|
| 969 |
|
|
err == 0) /* timeout? Shouldn't occur. */
|
| 970 |
|
|
break;
|
| 971 |
|
|
err = drv(inode, file, VIDIOC_QUERYBUF, &buf2);
|
| 972 |
|
|
if (err < 0)
|
| 973 |
|
|
dprintk("VIDIOCSYNC / VIDIOC_QUERYBUF: %d\n",err);
|
| 974 |
|
|
}
|
| 975 |
|
|
if (!(buf2.flags & V4L2_BUF_FLAG_DONE)) /* not done */
|
| 976 |
|
|
break;
|
| 977 |
|
|
do {
|
| 978 |
|
|
err = drv(inode, file, VIDIOC_DQBUF, &buf2);
|
| 979 |
|
|
if (err < 0)
|
| 980 |
|
|
dprintk("VIDIOCSYNC / VIDIOC_DQBUF: %d\n",err);
|
| 981 |
|
|
} while (err == 0 && buf2.index != *i);
|
| 982 |
|
|
break;
|
| 983 |
|
|
}
|
| 984 |
|
|
|
| 985 |
|
|
case VIDIOCGVBIFMT: /* query VBI data capture format */
|
| 986 |
|
|
{
|
| 987 |
|
|
struct vbi_format *fmt = arg;
|
| 988 |
|
|
|
| 989 |
|
|
fmt2 = kzalloc(sizeof(*fmt2),GFP_KERNEL);
|
| 990 |
|
|
fmt2->type = V4L2_BUF_TYPE_VBI_CAPTURE;
|
| 991 |
|
|
|
| 992 |
|
|
err = drv(inode, file, VIDIOC_G_FMT, fmt2);
|
| 993 |
|
|
if (err < 0) {
|
| 994 |
|
|
dprintk("VIDIOCGVBIFMT / VIDIOC_G_FMT: %d\n", err);
|
| 995 |
|
|
break;
|
| 996 |
|
|
}
|
| 997 |
|
|
if (fmt2->fmt.vbi.sample_format != V4L2_PIX_FMT_GREY) {
|
| 998 |
|
|
err = -EINVAL;
|
| 999 |
|
|
break;
|
| 1000 |
|
|
}
|
| 1001 |
|
|
memset(fmt, 0, sizeof(*fmt));
|
| 1002 |
|
|
fmt->samples_per_line = fmt2->fmt.vbi.samples_per_line;
|
| 1003 |
|
|
fmt->sampling_rate = fmt2->fmt.vbi.sampling_rate;
|
| 1004 |
|
|
fmt->sample_format = VIDEO_PALETTE_RAW;
|
| 1005 |
|
|
fmt->start[0] = fmt2->fmt.vbi.start[0];
|
| 1006 |
|
|
fmt->count[0] = fmt2->fmt.vbi.count[0];
|
| 1007 |
|
|
fmt->start[1] = fmt2->fmt.vbi.start[1];
|
| 1008 |
|
|
fmt->count[1] = fmt2->fmt.vbi.count[1];
|
| 1009 |
|
|
fmt->flags = fmt2->fmt.vbi.flags & 0x03;
|
| 1010 |
|
|
break;
|
| 1011 |
|
|
}
|
| 1012 |
|
|
case VIDIOCSVBIFMT:
|
| 1013 |
|
|
{
|
| 1014 |
|
|
struct vbi_format *fmt = arg;
|
| 1015 |
|
|
|
| 1016 |
|
|
if (VIDEO_PALETTE_RAW != fmt->sample_format) {
|
| 1017 |
|
|
err = -EINVAL;
|
| 1018 |
|
|
break;
|
| 1019 |
|
|
}
|
| 1020 |
|
|
|
| 1021 |
|
|
fmt2 = kzalloc(sizeof(*fmt2),GFP_KERNEL);
|
| 1022 |
|
|
|
| 1023 |
|
|
fmt2->type = V4L2_BUF_TYPE_VBI_CAPTURE;
|
| 1024 |
|
|
fmt2->fmt.vbi.samples_per_line = fmt->samples_per_line;
|
| 1025 |
|
|
fmt2->fmt.vbi.sampling_rate = fmt->sampling_rate;
|
| 1026 |
|
|
fmt2->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
|
| 1027 |
|
|
fmt2->fmt.vbi.start[0] = fmt->start[0];
|
| 1028 |
|
|
fmt2->fmt.vbi.count[0] = fmt->count[0];
|
| 1029 |
|
|
fmt2->fmt.vbi.start[1] = fmt->start[1];
|
| 1030 |
|
|
fmt2->fmt.vbi.count[1] = fmt->count[1];
|
| 1031 |
|
|
fmt2->fmt.vbi.flags = fmt->flags;
|
| 1032 |
|
|
err = drv(inode, file, VIDIOC_TRY_FMT, fmt2);
|
| 1033 |
|
|
if (err < 0) {
|
| 1034 |
|
|
dprintk("VIDIOCSVBIFMT / VIDIOC_TRY_FMT: %d\n", err);
|
| 1035 |
|
|
break;
|
| 1036 |
|
|
}
|
| 1037 |
|
|
|
| 1038 |
|
|
if (fmt2->fmt.vbi.samples_per_line != fmt->samples_per_line ||
|
| 1039 |
|
|
fmt2->fmt.vbi.sampling_rate != fmt->sampling_rate ||
|
| 1040 |
|
|
fmt2->fmt.vbi.sample_format != V4L2_PIX_FMT_GREY ||
|
| 1041 |
|
|
fmt2->fmt.vbi.start[0] != fmt->start[0] ||
|
| 1042 |
|
|
fmt2->fmt.vbi.count[0] != fmt->count[0] ||
|
| 1043 |
|
|
fmt2->fmt.vbi.start[1] != fmt->start[1] ||
|
| 1044 |
|
|
fmt2->fmt.vbi.count[1] != fmt->count[1] ||
|
| 1045 |
|
|
fmt2->fmt.vbi.flags != fmt->flags) {
|
| 1046 |
|
|
err = -EINVAL;
|
| 1047 |
|
|
break;
|
| 1048 |
|
|
}
|
| 1049 |
|
|
err = drv(inode, file, VIDIOC_S_FMT, fmt2);
|
| 1050 |
|
|
if (err < 0)
|
| 1051 |
|
|
dprintk("VIDIOCSVBIFMT / VIDIOC_S_FMT: %d\n", err);
|
| 1052 |
|
|
break;
|
| 1053 |
|
|
}
|
| 1054 |
|
|
|
| 1055 |
|
|
default:
|
| 1056 |
|
|
err = -ENOIOCTLCMD;
|
| 1057 |
|
|
break;
|
| 1058 |
|
|
}
|
| 1059 |
|
|
|
| 1060 |
|
|
kfree(cap2);
|
| 1061 |
|
|
kfree(fmt2);
|
| 1062 |
|
|
return err;
|
| 1063 |
|
|
}
|
| 1064 |
|
|
|
| 1065 |
|
|
EXPORT_SYMBOL(v4l_compat_translate_ioctl);
|
| 1066 |
|
|
|
| 1067 |
|
|
/*
|
| 1068 |
|
|
* Local variables:
|
| 1069 |
|
|
* c-basic-offset: 8
|
| 1070 |
|
|
* End:
|
| 1071 |
|
|
*/
|
