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v4l2object: Don't set colorimetry for non YUV formats

Browse source 
Setting colormetry in caps for RGB have no meaning, but worst it
confuses the converters downstream.

https://bugzilla.gnome.org/show_bug.cgi?id=759624
This commit is contained in:
Nicolas Dufresne 2016-01-19 15:14:59 -05:00
parent aeed2e550c
commit fd32440609
1 changed files with 39 additions and 0 deletions
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39
sys/v4l2/gstv4l2object.c
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@ -1303,6 +1303,41 @@ gst_v4l2_object_v4l2fourcc_to_video_format (guint32 fourcc)
return format; return format;
} }
static gboolean
gst_v4l2_object_v4l2fourcc_is_yuv (guint32 fourcc)
{
gboolean ret = FALSE;
switch (fourcc) {
case V4L2_PIX_FMT_NV12:
case V4L2_PIX_FMT_NV12M:
case V4L2_PIX_FMT_NV12MT:
case V4L2_PIX_FMT_NV21:
case V4L2_PIX_FMT_NV21M:
case V4L2_PIX_FMT_YVU410:
case V4L2_PIX_FMT_YUV410:
case V4L2_PIX_FMT_YUV420:
case V4L2_PIX_FMT_YUV420M:
case V4L2_PIX_FMT_YUYV:
case V4L2_PIX_FMT_YVU420:
case V4L2_PIX_FMT_UYVY:
case V4L2_PIX_FMT_YUV411P:
case V4L2_PIX_FMT_YUV422P:
case V4L2_PIX_FMT_YVYU:
case V4L2_PIX_FMT_NV16:
case V4L2_PIX_FMT_NV16M:
case V4L2_PIX_FMT_NV61:
case V4L2_PIX_FMT_NV61M:
case V4L2_PIX_FMT_NV24:
ret = TRUE;
break;
default:
break;
}
return ret;
}
static GstStructure * static GstStructure *
gst_v4l2_object_v4l2fourcc_to_bare_struct (guint32 fourcc) gst_v4l2_object_v4l2fourcc_to_bare_struct (guint32 fourcc)
{ {
@ -2092,6 +2127,10 @@ gst_v4l2_object_add_colorspace (GstV4l2Object * v4l2object, GstStructure * s,
GValue colorimetry = G_VALUE_INIT; GValue colorimetry = G_VALUE_INIT;
GstVideoColorimetry cinfo; GstVideoColorimetry cinfo;
/* Don't expose colorimetry unless this is a YUV format */
if (!gst_v4l2_object_v4l2fourcc_is_yuv (pixelformat))
return;
memset (&fmt, 0, sizeof (fmt)); memset (&fmt, 0, sizeof (fmt));
fmt.type = v4l2object->type; fmt.type = v4l2object->type;
fmt.fmt.pix.width = width; fmt.fmt.pix.width = width;