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videobalance: Add support for YUY2, UYVY, AYUV and YVYU

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This commit is contained in:
Sebastian Dröge 2010-04-18 22:28:17 +02:00
parent 3d70ce60fa
commit 80676e1777
1 changed files with 71 additions and 2 deletions
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73
gst/videofilter/gstvideobalance.c
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@ -82,7 +82,7 @@ GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV
("{ IYUV, I420, YV12, Y41B, Y42B, Y444 }"))
("{ IYUV, I420, YV12, Y41B, Y42B, Y444, " " YUY2, UYVY, AYUV, YVYU}"))
);
static GstStaticPadTemplate gst_video_balance_sink_template =
@ -90,7 +90,7 @@ GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV
("{ IYUV, I420, YV12, Y41B, Y42B, Y444 }"))
("{ IYUV, I420, YV12, Y41B, Y42B, Y444, " " YUY2, UYVY, AYUV, YVYU}"))
);
@ -246,6 +246,69 @@ gst_video_balance_planar_yuv (GstVideoBalance * videobalance, guint8 * data)
}
}
static void
gst_video_balance_packed_yuv (GstVideoBalance * videobalance, guint8 * data)
{
gint x, y;
guint8 *ydata;
guint8 *udata, *vdata;
gint ystride, ustride, vstride;
gint yoff, uoff, voff;
GstVideoFormat format;
gint width, height;
gint width2, height2;
format = videobalance->format;
width = videobalance->width;
height = videobalance->height;
ydata =
data + gst_video_format_get_component_offset (format, 0, width, height);
ystride = gst_video_format_get_row_stride (format, 0, width);
yoff = gst_video_format_get_pixel_stride (format, 0);
for (y = 0; y < height; y++) {
guint8 *yptr;
yptr = ydata + y * ystride;
for (x = 0; x < width; x++) {
*ydata = videobalance->tabley[*ydata];
ydata += yoff;
}
}
width2 = gst_video_format_get_component_width (format, 1, width);
height2 = gst_video_format_get_component_height (format, 1, height);
udata =
data + gst_video_format_get_component_offset (format, 1, width, height);
vdata =
data + gst_video_format_get_component_offset (format, 2, width, height);
ustride = gst_video_format_get_row_stride (format, 1, width);
vstride = gst_video_format_get_row_stride (format, 1, width);
uoff = gst_video_format_get_pixel_stride (format, 1);
voff = gst_video_format_get_pixel_stride (format, 2);
for (y = 0; y < height2; y++) {
guint8 *uptr, *vptr;
guint8 u1, v1;
uptr = udata + y * ustride;
vptr = vdata + y * vstride;
for (x = 0; x < width2; x++) {
u1 = *uptr;
v1 = *vptr;
*uptr = videobalance->tableu[u1][v1];
*vptr = videobalance->tablev[u1][v1];
uptr += uoff;
vptr += voff;
}
}
}
/* get notified of caps and plug in the correct process function */
static gboolean
gst_video_balance_set_caps (GstBaseTransform * base, GstCaps * incaps,
@ -274,6 +337,12 @@ gst_video_balance_set_caps (GstBaseTransform * base, GstCaps * incaps,
case GST_VIDEO_FORMAT_Y444:
videobalance->process = gst_video_balance_planar_yuv;
break;
case GST_VIDEO_FORMAT_YUY2:
case GST_VIDEO_FORMAT_UYVY:
case GST_VIDEO_FORMAT_AYUV:
case GST_VIDEO_FORMAT_YVYU:
videobalance->process = gst_video_balance_packed_yuv;
break;
default:
break;
}