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sys/v4l2/gstv4l2src.c: Add NV12, NV21 and bayer support. See #520092.

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Original commit message from CVS:
Patch by: William M. Brack <wbrack at mmm dot com dot hk>
* sys/v4l2/gstv4l2src.c: (gst_v4l2src_v4l2fourcc_to_structure),
(gst_v4l2_get_caps_info):
Add NV12, NV21 and bayer support. See #520092.
This commit is contained in:
William M. Brack 2008-05-26 14:52:51 +00:00 committed by Wim Taymans
parent afc9d66fbf
commit c3bde2dc42
2 changed files with 28 additions and 2 deletions
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8
ChangeLog
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@ -1,3 +1,11 @@
2008-05-26 Wim Taymans <wim.taymans@collabora.co.uk>
Patch by: William M. Brack <wbrack at mmm dot com dot hk>
* sys/v4l2/gstv4l2src.c: (gst_v4l2src_v4l2fourcc_to_structure),
(gst_v4l2_get_caps_info):
Add NV12, NV21 and bayer support. See #520092.
2008-05-26 Wim Taymans <wim.taymans@collabora.co.uk>
* gst/qtdemux/qtdemux.c: (gst_qtdemux_find_segment),

22
sys/v4l2/gstv4l2src.c
View file

@ -537,12 +537,12 @@ gst_v4l2src_v4l2fourcc_to_structure (guint32 fourcc)
break;
}
case V4L2_PIX_FMT_GREY: /* 8 Greyscale */
case V4L2_PIX_FMT_NV12: /* 12 Y/CbCr 4:2:0 */
case V4L2_PIX_FMT_NV21: /* 12 Y/CrCb 4:2:0 */
case V4L2_PIX_FMT_YYUV: /* 16 YUV 4:2:2 */
case V4L2_PIX_FMT_HI240: /* 8 8-bit color */
/* FIXME: get correct fourccs here */
break;
case V4L2_PIX_FMT_NV12: /* 12 Y/CbCr 4:2:0 */
case V4L2_PIX_FMT_NV21: /* 12 Y/CrCb 4:2:0 */
case V4L2_PIX_FMT_YVU410:
case V4L2_PIX_FMT_YUV410:
case V4L2_PIX_FMT_YUV420: /* I420/IYUV */
@ -555,6 +555,12 @@ gst_v4l2src_v4l2fourcc_to_structure (guint32 fourcc)
guint32 fcc = 0;
switch (fourcc) {
case V4L2_PIX_FMT_NV12:
fcc = GST_MAKE_FOURCC ('N', 'V', '1', '2');
break;
case V4L2_PIX_FMT_NV21:
fcc = GST_MAKE_FOURCC ('N', 'V', '2', '1');
break;
case V4L2_PIX_FMT_YVU410:
fcc = GST_MAKE_FOURCC ('Y', 'V', 'U', '9');
break;
@ -790,6 +796,16 @@ gst_v4l2_get_caps_info (GstV4l2Src * v4l2src, GstCaps * caps,
outsize = GST_ROUND_UP_4 (*w) * *h;
outsize += 2 * ((GST_ROUND_UP_8 (*w) / 2) * *h);
break;
case GST_MAKE_FOURCC ('N', 'V', '1', '2'):
fourcc = V4L2_PIX_FMT_NV12;
outsize = GST_ROUND_UP_4 (*w) * GST_ROUND_UP_2 (*h);
outsize += (GST_ROUND_UP_4 (*w) * *h) / 2;
break;
case GST_MAKE_FOURCC ('N', 'V', '2', '1'):
fourcc = V4L2_PIX_FMT_NV21;
outsize = GST_ROUND_UP_4 (*w) * GST_ROUND_UP_2 (*h);
outsize += (GST_ROUND_UP_4 (*w) * *h) / 2;
break;
}
} else if (!strcmp (mimetype, "video/x-raw-rgb")) {
gint depth, endianness, r_mask;
@ -821,6 +837,8 @@ gst_v4l2_get_caps_info (GstV4l2Src * v4l2src, GstCaps * caps,
fourcc = V4L2_PIX_FMT_DV;
} else if (strcmp (mimetype, "image/jpeg") == 0) {
fourcc = V4L2_PIX_FMT_JPEG;
} else if (strcmp (mimetype, "video/x-raw-bayer") == 0) {
fourcc = V4L2_PIX_FMT_SBGGR8;
}
if (fourcc == 0)