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Use v4l2 input format automatically if filename starts with "/dev/video"

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Signed-off-by: Carl Eugen Hoyos <cehoyos@ag.or.at>
This commit is contained in:
Andrey Utkin 2014-10-29 01:59:25 +01:00 committed by Carl Eugen Hoyos
parent 19a6431ec2
commit b608fba672
1 changed files with 8 additions and 0 deletions
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8
libavdevice/v4l2.c
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@ -806,6 +806,13 @@ static int device_try_init(AVFormatContext *ctx,
return ret;
}
static int v4l2_read_probe(AVProbeData *p)
{
if (av_strstart(p->filename, "/dev/video", NULL))
return AVPROBE_SCORE_MAX - 1;
return 0;
}
static int v4l2_read_header(AVFormatContext *ctx)
{
struct video_data *s = ctx->priv_data;
@ -1033,6 +1040,7 @@ AVInputFormat ff_v4l2_demuxer = {
.name = "video4linux2,v4l2",
.long_name = NULL_IF_CONFIG_SMALL("Video4Linux2 device grab"),
.priv_data_size = sizeof(struct video_data),
.read_probe = v4l2_read_probe,
.read_header = v4l2_read_header,
.read_packet = v4l2_read_packet,
.read_close = v4l2_read_close,