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v4l2: Set pixel-aspect-ratio to 1/1

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We don't currently support setting the pixel-aspect-ratio from V4L2. So
simply set it to be 1/1 in the caps to prevent negotiation failures when
fixating to weird values (e.g. when the downstream caps has
pixel-aspect-ratio = [ MIN, MAX ] )

https://bugzilla.gnome.org/show_bug.cgi?id=663580
This commit is contained in:
Sjoerd Simons 2011-11-07 18:43:26 +00:00
parent d6a9de9e2a
commit e7ae593993
1 changed files with 4 additions and 1 deletions
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5
sys/v4l2/gstv4l2object.c
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@ -1719,7 +1719,8 @@ return_data:
s = gst_structure_copy (template);
gst_structure_set (s, "width", G_TYPE_INT, (gint) width,
"height", G_TYPE_INT, (gint) height,
"interlaced", G_TYPE_BOOLEAN, interlaced, NULL);
"interlaced", G_TYPE_BOOLEAN, interlaced,
"pixel-aspect-ratio", GST_TYPE_FRACTION, 1, 1, NULL);
if (G_IS_VALUE (&rates)) {
/* only change the framerate on the template when we have a valid probed new
@ -1980,6 +1981,8 @@ default_frame_sizes:
gst_structure_set (tmp, "height", GST_TYPE_INT_RANGE, min_h, max_h, NULL);
gst_structure_set (tmp, "interlaced", G_TYPE_BOOLEAN, interlaced, NULL);
gst_structure_set (tmp, "pixel-aspect-ratio",
GST_TYPE_FRACTION, 1, 1, NULL);
gst_caps_append_structure (ret, tmp);