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V4L/DVB (5270): Add VIDIOC_G_ENC_INDEX ioctl

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The VIDIOC_G_ENC_INDEX ioctl can obtain the MPEG index from an MPEG
encoder.

Signed-off-by: Hans Verkuil <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
This commit is contained in:
Hans Verkuil 2007-02-18 14:05:02 -03:00 • committed by Mauro Carvalho Chehab
commit db6eb5b334
4 changed files with 50 additions and 3 deletions
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9
drivers/media/video/v4l2-common.c
View file

@ -366,13 +366,16 @@ static const char *v4l2_ioctls[] = {
[_IOC_NR(VIDIOC_ENUMAUDOUT)] = "VIDIOC_ENUMAUDOUT",
[_IOC_NR(VIDIOC_G_PRIORITY)] = "VIDIOC_G_PRIORITY",
[_IOC_NR(VIDIOC_S_PRIORITY)] = "VIDIOC_S_PRIORITY",
#if 1
[_IOC_NR(VIDIOC_G_SLICED_VBI_CAP)] = "VIDIOC_G_SLICED_VBI_CAP",
#endif
[_IOC_NR(VIDIOC_LOG_STATUS)] = "VIDIOC_LOG_STATUS",
[_IOC_NR(VIDIOC_G_EXT_CTRLS)] = "VIDIOC_G_EXT_CTRLS",
[_IOC_NR(VIDIOC_S_EXT_CTRLS)] = "VIDIOC_S_EXT_CTRLS",
[_IOC_NR(VIDIOC_TRY_EXT_CTRLS)] = "VIDIOC_TRY_EXT_CTRLS"
[_IOC_NR(VIDIOC_TRY_EXT_CTRLS)] = "VIDIOC_TRY_EXT_CTRLS",
#if 1
[_IOC_NR(VIDIOC_ENUM_FRAMESIZES)] = "VIDIOC_ENUM_FRAMESIZES",
[_IOC_NR(VIDIOC_ENUM_FRAMEINTERVALS)] = "VIDIOC_ENUM_FRAMEINTERVALS",
[_IOC_NR(VIDIOC_G_ENC_INDEX)] = "VIDIOC_G_ENC_INDEX"
#endif
};
#define V4L2_IOCTLS ARRAY_SIZE(v4l2_ioctls)

12
drivers/media/video/videodev.c
View file

@ -1342,6 +1342,18 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
ret=vfd->vidioc_s_jpegcomp(file, fh, p);
break;
}
case VIDIOC_G_ENC_INDEX:
{
struct v4l2_enc_idx *p=arg;
if (!vfd->vidioc_g_enc_index)
break;
ret=vfd->vidioc_g_enc_index(file, fh, p);
if (!ret)
dbgarg (cmd, "entries=%d, entries_cap=%d\n",
p->entries,p->entries_cap);
break;
}
case VIDIOC_G_PARM:
{
struct v4l2_streamparm *p=arg;