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v4l2: display field when setting or trying format

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Ease debugging interlacing pipelines.
This commit is contained in:
Guillaume Desmottes 2020-02-05 13:03:51 +05:30
parent 8a69e26f16
commit 0834ef15ce
1 changed files with 31 additions and 2 deletions
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33
sys/v4l2/gstv4l2object.c
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@ -3277,6 +3277,35 @@ gst_v4l2_video_colorimetry_matches (const GstVideoColorimetry * cinfo,
return FALSE;
}
static const gchar *
field_to_str (enum v4l2_field f)
{
switch (f) {
case V4L2_FIELD_ANY:
return "any";
case V4L2_FIELD_NONE:
return "none";
case V4L2_FIELD_TOP:
return "top";
case V4L2_FIELD_BOTTOM:
return "bottom";
case V4L2_FIELD_INTERLACED:
return "interlaced";
case V4L2_FIELD_SEQ_TB:
return "seq-tb";
case V4L2_FIELD_SEQ_BT:
return "seq-bt";
case V4L2_FIELD_ALTERNATE:
return "alternate";
case V4L2_FIELD_INTERLACED_TB:
return "interlaced-tb";
case V4L2_FIELD_INTERLACED_BT:
return "interlaced-bt";
}
return "unknown";
}
static gboolean
gst_v4l2_object_set_format_full (GstV4l2Object * v4l2object, GstCaps * caps,
gboolean try_only, GstV4l2Error * error)
@ -3580,11 +3609,11 @@ gst_v4l2_object_set_format_full (GstV4l2Object * v4l2object, GstCaps * caps,
}
GST_DEBUG_OBJECT (v4l2object->dbg_obj, "Got format of %dx%d, format "
"%" GST_FOURCC_FORMAT ", nb planes %d, colorspace %d:%d:%d:%d",
"%" GST_FOURCC_FORMAT ", nb planes %d, colorspace %d:%d:%d:%d field: %s",
format.fmt.pix.width, format.fmt.pix_mp.height,
GST_FOURCC_ARGS (format.fmt.pix.pixelformat),
is_mplane ? format.fmt.pix_mp.num_planes : 1,
colorspace, range, matrix, transfer);
colorspace, range, matrix, transfer, field_to_str (format.fmt.pix.field));
#ifndef GST_DISABLE_GST_DEBUG
if (is_mplane) {