/*
+ *
* Video for Linux Two
* Backward Compatibility Layer
*
*
*/
-#ifndef __KERNEL__
-#define __KERNEL__
-#endif
-
-#include <linux/config.h>
#include <linux/init.h>
#include <linux/module.h>
+#include <linux/moduleparam.h>
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/errno.h>
#include <linux/slab.h>
#include <linux/videodev.h>
+#include <media/v4l2-common.h>
#include <asm/uaccess.h>
#include <asm/system.h>
#endif
static unsigned int debug = 0;
-MODULE_PARM(debug,"i");
+module_param(debug, int, 0644);
MODULE_PARM_DESC(debug,"enable debug messages");
MODULE_AUTHOR("Bill Dirks");
MODULE_DESCRIPTION("v4l(1) compatibility layer for v4l2 drivers.");
if (value && qctrl2.type == V4L2_CTRL_TYPE_BOOLEAN)
value = 65535;
ctrl2.id = qctrl2.id;
- ctrl2.value =
+ ctrl2.value =
(value * (qctrl2.maximum - qctrl2.minimum)
+ 32767)
/ 65535;
memset(&desc2,0,sizeof(desc2));
memset(&fmt2,0,sizeof(fmt2));
-
+
desc2.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
if (0 != drv(inode,file,VIDIOC_ENUM_FMT, &desc2))
goto done;
{
struct video_capability *cap = arg;
- cap2 = kmalloc(sizeof(*cap2),GFP_KERNEL);
+ cap2 = kzalloc(sizeof(*cap2),GFP_KERNEL);
memset(cap, 0, sizeof(*cap));
- memset(cap2, 0, sizeof(*cap2));
memset(&fbuf2, 0, sizeof(fbuf2));
err = drv(inode, file, VIDIOC_QUERYCAP, cap2);
err = 0;
}
- memcpy(cap->name, cap2->card,
+ memcpy(cap->name, cap2->card,
min(sizeof(cap->name), sizeof(cap2->card)));
cap->name[sizeof(cap->name) - 1] = 0;
if (cap2->capabilities & V4L2_CAP_VIDEO_CAPTURE)
{
struct video_buffer *buffer = arg;
+ memset(buffer, 0, sizeof(*buffer));
+ memset(&fbuf2, 0, sizeof(fbuf2));
+
err = drv(inode, file, VIDIOC_G_FBUF, &fbuf2);
if (err < 0) {
dprintk("VIDIOCGFBUF / VIDIOC_G_FBUF: %d\n",err);
switch (fbuf2.fmt.pixelformat) {
case V4L2_PIX_FMT_RGB332:
buffer->depth = 8;
- break;
+ break;
case V4L2_PIX_FMT_RGB555:
buffer->depth = 15;
break;
default:
buffer->depth = 0;
}
- if (0 != fbuf2.fmt.bytesperline)
+ if (fbuf2.fmt.bytesperline) {
buffer->bytesperline = fbuf2.fmt.bytesperline;
- else {
- buffer->bytesperline =
+ if (!buffer->depth && buffer->width)
+ buffer->depth = ((fbuf2.fmt.bytesperline<<3)
+ + (buffer->width-1) )
+ /buffer->width;
+ } else {
+ buffer->bytesperline =
(buffer->width * buffer->depth + 7) & 7;
buffer->bytesperline >>= 3;
}
{
struct video_window *win = arg;
- fmt2 = kmalloc(sizeof(*fmt2),GFP_KERNEL);
+ fmt2 = kzalloc(sizeof(*fmt2),GFP_KERNEL);
memset(win,0,sizeof(*win));
- memset(fmt2,0,sizeof(*fmt2));
fmt2->type = V4L2_BUF_TYPE_VIDEO_OVERLAY;
err = drv(inode, file, VIDIOC_G_FMT, fmt2);
struct video_window *win = arg;
int err1,err2;
- fmt2 = kmalloc(sizeof(*fmt2),GFP_KERNEL);
- memset(fmt2,0,sizeof(*fmt2));
+ fmt2 = kzalloc(sizeof(*fmt2),GFP_KERNEL);
fmt2->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
drv(inode, file, VIDIOC_STREAMOFF, &fmt2->type);
err1 = drv(inode, file, VIDIOC_G_FMT, fmt2);
pict->whiteness = get_v4l_control(inode, file,
V4L2_CID_WHITENESS, drv);
- fmt2 = kmalloc(sizeof(*fmt2),GFP_KERNEL);
- memset(fmt2,0,sizeof(*fmt2));
+ fmt2 = kzalloc(sizeof(*fmt2),GFP_KERNEL);
fmt2->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
err = drv(inode, file, VIDIOC_G_FMT, fmt2);
if (err < 0) {
dprintk("VIDIOCGPICT / VIDIOC_G_FMT: %d\n",err);
break;
}
-#if 0 /* FIXME */
- pict->depth = fmt2->fmt.pix.depth;
-#endif
+
+ pict->depth = ((fmt2->fmt.pix.bytesperline<<3)
+ + (fmt2->fmt.pix.width-1) )
+ /fmt2->fmt.pix.width;
pict->palette = pixelformat_to_palette(
fmt2->fmt.pix.pixelformat);
break;
case VIDIOCSPICT: /* set tone controls & partial capture format */
{
struct video_picture *pict = arg;
+ memset(&fbuf2, 0, sizeof(fbuf2));
set_v4l_control(inode, file,
V4L2_CID_BRIGHTNESS, pict->brightness, drv);
set_v4l_control(inode, file,
V4L2_CID_WHITENESS, pict->whiteness, drv);
- fmt2 = kmalloc(sizeof(*fmt2),GFP_KERNEL);
- memset(fmt2,0,sizeof(*fmt2));
+ fmt2 = kzalloc(sizeof(*fmt2),GFP_KERNEL);
fmt2->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
err = drv(inode, file, VIDIOC_G_FMT, fmt2);
if (err < 0)
dprintk("VIDIOCSPICT / VIDIOC_G_FMT: %d\n",err);
- if (fmt2->fmt.pix.pixelformat !=
+ if (fmt2->fmt.pix.pixelformat !=
palette_to_pixelformat(pict->palette)) {
fmt2->fmt.pix.pixelformat = palette_to_pixelformat(
pict->palette);
}
case VIDIOCSTUNER: /* select a tuner input */
{
-#if 0 /* FIXME */
- err = drv(inode, file, VIDIOC_S_INPUT, &i);
+ struct video_tuner *tun = arg;
+ struct v4l2_tuner t;
+ memset(&t,0,sizeof(t));
+
+ t.index=tun->tuner;
+
+ err = drv(inode, file, VIDIOC_S_INPUT, &t);
if (err < 0)
dprintk("VIDIOCSTUNER / VIDIOC_S_INPUT: %d\n",err);
-#else
- err = 0;
-#endif
+
break;
}
case VIDIOCGFREQ: /* get frequency */
{
- int *freq = arg;
+ unsigned long *freq = arg;
+ memset(&freq2,0,sizeof(freq2));
freq2.tuner = 0;
err = drv(inode, file, VIDIOC_G_FREQUENCY, &freq2);
}
case VIDIOCSFREQ: /* set frequency */
{
- int *freq = arg;
+ unsigned long *freq = arg;
+ memset(&freq2,0,sizeof(freq2));
- freq2.tuner = 0;
drv(inode, file, VIDIOC_G_FREQUENCY, &freq2);
freq2.frequency = *freq;
err = drv(inode, file, VIDIOC_S_FREQUENCY, &freq2);
case VIDIOCGAUDIO: /* get audio properties/controls */
{
struct video_audio *aud = arg;
+ memset(&aud2,0,sizeof(aud2));
err = drv(inode, file, VIDIOC_G_AUDIO, &aud2);
if (err < 0) {
!(qctrl2.flags & V4L2_CTRL_FLAG_DISABLED))
aud->step = qctrl2.step;
aud->mode = 0;
+
+ memset(&tun2,0,sizeof(tun2));
err = drv(inode, file, VIDIOC_G_TUNER, &tun2);
if (err < 0) {
dprintk("VIDIOCGAUDIO / VIDIOC_G_TUNER: %d\n",err);
err = 0;
break;
}
+
if (tun2.rxsubchans & V4L2_TUNER_SUB_LANG2)
aud->mode = VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2;
else if (tun2.rxsubchans & V4L2_TUNER_SUB_STEREO)
memset(&aud2,0,sizeof(aud2));
memset(&tun2,0,sizeof(tun2));
-
+
aud2.index = aud->audio;
err = drv(inode, file, VIDIOC_S_AUDIO, &aud2);
if (err < 0) {
break;
}
- set_v4l_control(inode, file, V4L2_CID_AUDIO_VOLUME,
+ set_v4l_control(inode, file, V4L2_CID_AUDIO_VOLUME,
aud->volume, drv);
set_v4l_control(inode, file, V4L2_CID_AUDIO_BASS,
aud->bass, drv);
err = 0;
break;
}
-#if 0
- case VIDIOCGMBUF:
- /* v4l2 drivers must implement that themself. The
- mmap() differences can't be translated fully
- transparent, thus there is no point to try that */
-#endif
case VIDIOCMCAPTURE: /* capture a frame */
{
struct video_mmap *mm = arg;
- fmt2 = kmalloc(sizeof(*fmt2),GFP_KERNEL);
+ fmt2 = kzalloc(sizeof(*fmt2),GFP_KERNEL);
memset(&buf2,0,sizeof(buf2));
- memset(fmt2,0,sizeof(*fmt2));
-
+
fmt2->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
err = drv(inode, file, VIDIOC_G_FMT, fmt2);
if (err < 0) {
dprintk("VIDIOCMCAPTURE / VIDIOC_G_FMT: %d\n",err);
break;
}
- if (mm->width != fmt2->fmt.pix.width ||
+ if (mm->width != fmt2->fmt.pix.width ||
mm->height != fmt2->fmt.pix.height ||
- palette_to_pixelformat(mm->format) !=
+ palette_to_pixelformat(mm->format) !=
fmt2->fmt.pix.pixelformat)
{/* New capture format... */
fmt2->fmt.pix.width = mm->width;
{
int *i = arg;
+ memset(&buf2,0,sizeof(buf2));
buf2.index = *i;
buf2.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
err = drv(inode, file, VIDIOC_QUERYBUF, &buf2);
case VIDIOCGVBIFMT: /* query VBI data capture format */
{
struct vbi_format *fmt = arg;
-
- fmt2 = kmalloc(sizeof(*fmt2),GFP_KERNEL);
- memset(fmt2, 0, sizeof(*fmt2));
+
+ fmt2 = kzalloc(sizeof(*fmt2),GFP_KERNEL);
fmt2->type = V4L2_BUF_TYPE_VBI_CAPTURE;
-
+
err = drv(inode, file, VIDIOC_G_FMT, fmt2);
if (err < 0) {
dprintk("VIDIOCGVBIFMT / VIDIOC_G_FMT: %d\n", err);
break;
}
+ if (fmt2->fmt.vbi.sample_format != V4L2_PIX_FMT_GREY) {
+ err = -EINVAL;
+ break;
+ }
memset(fmt, 0, sizeof(*fmt));
fmt->samples_per_line = fmt2->fmt.vbi.samples_per_line;
fmt->sampling_rate = fmt2->fmt.vbi.sampling_rate;
fmt->start[1] = fmt2->fmt.vbi.start[1];
fmt->count[1] = fmt2->fmt.vbi.count[1];
fmt->flags = fmt2->fmt.vbi.flags & 0x03;
- break;
+ break;
}
case VIDIOCSVBIFMT:
{
struct vbi_format *fmt = arg;
-
- fmt2 = kmalloc(sizeof(*fmt2),GFP_KERNEL);
- memset(fmt2, 0, sizeof(*fmt2));
+
+ if (VIDEO_PALETTE_RAW != fmt->sample_format) {
+ err = -EINVAL;
+ break;
+ }
+
+ fmt2 = kzalloc(sizeof(*fmt2),GFP_KERNEL);
fmt2->type = V4L2_BUF_TYPE_VBI_CAPTURE;
fmt2->fmt.vbi.samples_per_line = fmt->samples_per_line;
fmt2->fmt.vbi.sampling_rate = fmt->sampling_rate;
fmt2->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
- fmt2->fmt.vbi.start[0] = fmt->start[0];
- fmt2->fmt.vbi.count[0] = fmt->count[0];
- fmt2->fmt.vbi.start[1] = fmt->start[1];
- fmt2->fmt.vbi.count[1] = fmt->count[1];
+ fmt2->fmt.vbi.start[0] = fmt->start[0];
+ fmt2->fmt.vbi.count[0] = fmt->count[0];
+ fmt2->fmt.vbi.start[1] = fmt->start[1];
+ fmt2->fmt.vbi.count[1] = fmt->count[1];
fmt2->fmt.vbi.flags = fmt->flags;
err = drv(inode, file, VIDIOC_TRY_FMT, fmt2);
if (err < 0) {
if (fmt2->fmt.vbi.samples_per_line != fmt->samples_per_line ||
fmt2->fmt.vbi.sampling_rate != fmt->sampling_rate ||
- VIDEO_PALETTE_RAW != fmt->sample_format ||
+ fmt2->fmt.vbi.sample_format != V4L2_PIX_FMT_GREY ||
fmt2->fmt.vbi.start[0] != fmt->start[0] ||
fmt2->fmt.vbi.count[0] != fmt->count[0] ||
fmt2->fmt.vbi.start[1] != fmt->start[1] ||
dprintk("VIDIOCSVBIFMT / VIDIOC_S_FMT: %d\n", err);
break;
}
-
+
default:
err = -ENOIOCTLCMD;
break;
}
- if (cap2)
- kfree(cap2);
- if (fmt2)
- kfree(fmt2);
+ kfree(cap2);
+ kfree(fmt2);
return err;
}
git://git.onelab.eu / linux-2.6.git / blobdiff