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v4l2: use GST_VIDEO_INFO_FIELD_HEIGHT()

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Use GST_VIDEO_INFO_FIELD_HEIGHT() instead of GST_VIDEO_INFO_HEIGHT()
when we actually want the field height rather than the frame height.
So far both are equals but that won't longer be the case when
implementing alternate interlace mode.
This commit is contained in:
Guillaume Desmottes 2020-01-30 12:09:12 +05:30
parent 0acd5d9f8b
commit 00893baef9
1 changed files with 9 additions and 6 deletions
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15
sys/v4l2/gstv4l2object.c
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@ -3058,7 +3058,9 @@ gst_v4l2_object_extrapolate_info (GstV4l2Object * v4l2object,
g_return_if_fail (v4l2object->n_v4l2_planes == 1);
padded_height = info->height + align->padding_top + align->padding_bottom;
padded_height =
GST_VIDEO_INFO_FIELD_HEIGHT (info) + align->padding_top +
align->padding_bottom;
for (i = 0; i < finfo->n_planes; i++) {
estride = gst_v4l2_object_extrapolate_stride (finfo, i, stride);
@ -3134,7 +3136,8 @@ gst_v4l2_object_save_format (GstV4l2Object * v4l2object,
padded_height = GST_ROUND_UP_N (padded_height, tile_height);
}
align->padding_bottom = padded_height - info->height - align->padding_top;
align->padding_bottom =
padded_height - GST_VIDEO_INFO_FIELD_HEIGHT (info) - align->padding_top;
/* setup the strides and offset */
if (V4L2_TYPE_IS_MULTIPLANAR (v4l2object->type)) {
@ -3314,7 +3317,7 @@ gst_v4l2_object_set_format_full (GstV4l2Object * v4l2object, GstCaps * caps,
pixelformat = fmtdesc->pixelformat;
width = GST_VIDEO_INFO_WIDTH (&info);
height = GST_VIDEO_INFO_HEIGHT (&info);
height = GST_VIDEO_INFO_FIELD_HEIGHT (&info);
fps_n = GST_VIDEO_INFO_FPS_N (&info);
fps_d = GST_VIDEO_INFO_FPS_D (&info);
@ -3462,7 +3465,7 @@ gst_v4l2_object_set_format_full (GstV4l2Object * v4l2object, GstCaps * caps,
transfer = V4L2_XFER_FUNC_SRGB;
} else {
/* SD streams likely use SMPTE170M and HD streams REC709 */
if (width <= 720 && height <= 576)
if (width <= 720 && GST_VIDEO_INFO_HEIGHT (&info) <= 576)
colorspace = V4L2_COLORSPACE_SMPTE170M;
else
colorspace = V4L2_COLORSPACE_REC709;
@ -4073,7 +4076,7 @@ gst_v4l2_object_set_crop (GstV4l2Object * obj)
sel.r.left = obj->align.padding_left;
sel.r.top = obj->align.padding_top;
sel.r.width = obj->info.width;
sel.r.height = obj->info.height;
sel.r.height = GST_VIDEO_INFO_FIELD_HEIGHT (&obj->info);
crop.type = obj->type;
crop.c = sel.r;
@ -4379,7 +4382,7 @@ gst_v4l2_object_match_buffer_layout (GstV4l2Object * obj, guint n_planes,
GST_DEBUG_OBJECT (obj->dbg_obj, "Padded height %u", padded_height);
obj->align.padding_bottom =
padded_height - GST_VIDEO_INFO_HEIGHT (&obj->info);
padded_height - GST_VIDEO_INFO_FIELD_HEIGHT (&obj->info);
} else {
GST_WARNING_OBJECT (obj->dbg_obj,
"Failed to compute padded height; keep the default one");