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lavd/v4l2: simplify list_framesizes() 

We can avoid passing file descriptor fd explicitely.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Giorgio Vazzana 2014-09-05 17:39:50 +02:00 committed by Michael Niedermayer
parent 55cf7d9713
commit 7865cafec2
1 changed files with 3 additions and 3 deletions
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6
libavdevice/v4l2.c
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@ -238,12 +238,12 @@ static int first_field(const struct video_data *s)
}
#if HAVE_STRUCT_V4L2_FRMIVALENUM_DISCRETE
static void list_framesizes(AVFormatContext *ctx, int fd, uint32_t pixelformat)
static void list_framesizes(AVFormatContext *ctx, uint32_t pixelformat)
{
const struct video_data *s = ctx->priv_data;
struct v4l2_frmsizeenum vfse = { .pixel_format = pixelformat };
while(!v4l2_ioctl(fd, VIDIOC_ENUM_FRAMESIZES, &vfse)) {
while(!v4l2_ioctl(s->fd, VIDIOC_ENUM_FRAMESIZES, &vfse)) {
switch (vfse.type) {
case V4L2_FRMSIZE_TYPE_DISCRETE:
av_log(ctx, AV_LOG_INFO, " %ux%u",
@ -296,7 +296,7 @@ static void list_formats(AVFormatContext *ctx, int fd, int type)
av_log(ctx, AV_LOG_INFO, " Emulated :");
#endif
#if HAVE_STRUCT_V4L2_FRMIVALENUM_DISCRETE
list_framesizes(ctx, fd, vfd.pixelformat);
list_framesizes(ctx, vfd.pixelformat);
#endif
av_log(ctx, AV_LOG_INFO, "\n");
}