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v4l2src: Flag interlaced buffers as interlaced.

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We correctly indicate the field ordering on interlaced buffers, but fail to
flag them as containing interlaced video, which we need to do here because
we signal interlace-mode=mixed in our caps. This means that downstream
elements (like vaapipostproc from gstreamer-vaapi) don't recognise these
buffers as in need of deinterlacing.

Fix this by setting the interlaced flag on all interlaced buffers.

Signed-off-by: Simon Farnsworth <simon.farnsworth@onelan.co.uk>

https://bugzilla.gnome.org/show_bug.cgi?id=724899
This commit is contained in:
Simon Farnsworth 2014-02-21 14:31:59 +00:00 committed by Tim-Philipp Müller
parent 0898de65c8
commit b4820460d8
1 changed files with 2 additions and 0 deletions
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2
sys/v4l2/gstv4l2bufferpool.c
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@ -969,9 +969,11 @@ gst_v4l2_buffer_pool_dqbuf (GstV4l2BufferPool * pool, GstBuffer ** buffer)
/* set top/bottom field first if v4l2_buffer has the information */
if (vbuffer.field == V4L2_FIELD_INTERLACED_TB) {
GST_BUFFER_FLAG_SET (outbuf, GST_VIDEO_BUFFER_FLAG_INTERLACED);
GST_BUFFER_FLAG_SET (outbuf, GST_VIDEO_BUFFER_FLAG_TFF);
}
if (vbuffer.field == V4L2_FIELD_INTERLACED_BT) {
GST_BUFFER_FLAG_SET (outbuf, GST_VIDEO_BUFFER_FLAG_INTERLACED);
GST_BUFFER_FLAG_UNSET (outbuf, GST_VIDEO_BUFFER_FLAG_TFF);
}
if (GST_VIDEO_INFO_FORMAT (&obj->info) == GST_VIDEO_FORMAT_ENCODED) {