[FFmpeg-devel] [PATCH] lavd/v4l2: Use proper field type for second parameter of ioctl() with BSD's
Dennis Mungai
dmngaie at gmail.com
Sat May 18 15:40:16 EEST 2024
On Sat, 18 May 2024, 14:27 Brad Smith, <brad-at-comstyle.com at ffmpeg.org>
wrote:
> Can this be backported to 7, 6, 5 and 4.4 releases?
>
> On 2024-05-05 11:59 p.m., Brad Smith wrote:
> > lavd/v4l2: Use proper field type for second parameter of ioctl() with
> BSD's
> >
> > The proper type was used until 73251678c83cbe24d08264da693411b166239bc7.
> >
> > This covers all of the OS's that currently have V4L2 support,
> permutations
> > of Linux glibc/musl, Android bionic, FreeBSD, NetBSD, OpenBSD, Solaris.
> >
> > Copied from FreeBSD ports patch.
> >
> > Signed-off-by: Brad Smith <brad at comstyle.com>
> > ---
> > libavdevice/v4l2.c | 6 +++---
> > 1 file changed, 3 insertions(+), 3 deletions(-)
> >
> > diff --git a/libavdevice/v4l2.c b/libavdevice/v4l2.c
> > index 3706582bc6..74f43ef6a9 100644
> > --- a/libavdevice/v4l2.c
> > +++ b/libavdevice/v4l2.c
> > @@ -108,10 +108,10 @@ struct video_data {
> > int (*open_f)(const char *file, int oflag, ...);
> > int (*close_f)(int fd);
> > int (*dup_f)(int fd);
> > -#ifdef __GLIBC__
> > - int (*ioctl_f)(int fd, unsigned long int request, ...);
> > -#else
> > +#if defined(__sun) || defined(__BIONIC__) || defined(__musl__) /*
> POSIX-like */
> > int (*ioctl_f)(int fd, int request, ...);
> > +#else
> > + int (*ioctl_f)(int fd, unsigned long int request, ...);
> > #endif
> > ssize_t (*read_f)(int fd, void *buffer, size_t n);
> > void *(*mmap_f)(void *start, size_t length, int prot, int flags,
> int fd, int64_t offset);
> _".
>
Seconded, a backport would be ideal for prior releases.
>
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