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videobalance: Add support for NV12 and NV21

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This commit is contained in:
Sebastian Dröge 2012-10-04 18:37:18 +02:00
parent 7a863e4d8d
commit 1ac6a782c3
1 changed files with 63 additions and 2 deletions
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65
gst/videofilter/gstvideobalance.c
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@ -76,7 +76,7 @@ GST_STATIC_PAD_TEMPLATE ("src",
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("{ AYUV, "
"ARGB, BGRA, ABGR, RGBA, Y444, xRGB, RGBx, "
"xBGR, BGRx, RGB, BGR, Y42B, YUY2, UYVY, YVYU, "
"I420, YV12, IYUV, Y41B }"))
"I420, YV12, IYUV, Y41B, NV12, NV21 }"))
);
static GstStaticPadTemplate gst_video_balance_sink_template =
@ -86,7 +86,7 @@ GST_STATIC_PAD_TEMPLATE ("sink",
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("{ AYUV, "
"ARGB, BGRA, ABGR, RGBA, Y444, xRGB, RGBx, "
"xBGR, BGRx, RGB, BGR, Y42B, YUY2, UYVY, YVYU, "
"I420, YV12, IYUV, Y41B }"))
"I420, YV12, IYUV, Y41B, NV12, NV21 }"))
);
static void gst_video_balance_colorbalance_init (GstColorBalanceInterface *
@ -223,6 +223,63 @@ gst_video_balance_planar_yuv (GstVideoBalance * videobalance,
}
}
static void
gst_video_balance_semiplanar_yuv (GstVideoBalance * videobalance,
GstVideoFrame * frame)
{
gint x, y;
guint8 *ydata;
guint8 *uvdata;
gint ystride, uvstride;
gint width, height;
gint width2, height2;
guint8 *tabley = videobalance->tabley;
guint8 **tableu = videobalance->tableu;
guint8 **tablev = videobalance->tablev;
gint upos, vpos;
width = GST_VIDEO_FRAME_WIDTH (frame);
height = GST_VIDEO_FRAME_HEIGHT (frame);
ydata = GST_VIDEO_FRAME_PLANE_DATA (frame, 0);
ystride = GST_VIDEO_FRAME_PLANE_STRIDE (frame, 0);
for (y = 0; y < height; y++) {
guint8 *yptr;
yptr = ydata + y * ystride;
for (x = 0; x < width; x++) {
*yptr = tabley[*yptr];
yptr++;
}
}
width2 = GST_VIDEO_FRAME_COMP_WIDTH (frame, 1);
height2 = GST_VIDEO_FRAME_COMP_HEIGHT (frame, 1);
uvdata = GST_VIDEO_FRAME_PLANE_DATA (frame, 1);
uvstride = GST_VIDEO_FRAME_PLANE_STRIDE (frame, 1);
upos = GST_VIDEO_INFO_FORMAT (&frame->info) == GST_VIDEO_FORMAT_NV12 ? 0 : 1;
vpos = GST_VIDEO_INFO_FORMAT (&frame->info) == GST_VIDEO_FORMAT_NV12 ? 1 : 0;
for (y = 0; y < height2; y++) {
guint8 *uvptr;
guint8 u1, v1;
uvptr = uvdata + y * uvstride;
for (x = 0; x < width2; x++) {
u1 = uvptr[upos];
v1 = uvptr[vpos];
uvptr[upos] = tableu[u1][v1];
uvptr[vpos] = tablev[u1][v1];
uvptr += 2;
}
}
}
static void
gst_video_balance_packed_yuv (GstVideoBalance * videobalance,
GstVideoFrame * frame)
@ -381,6 +438,10 @@ gst_video_balance_set_info (GstVideoFilter * vfilter, GstCaps * incaps,
case GST_VIDEO_FORMAT_YVYU:
videobalance->process = gst_video_balance_packed_yuv;
break;
case GST_VIDEO_FORMAT_NV12:
case GST_VIDEO_FORMAT_NV21:
videobalance->process = gst_video_balance_semiplanar_yuv;
break;
case GST_VIDEO_FORMAT_ARGB:
case GST_VIDEO_FORMAT_ABGR:
case GST_VIDEO_FORMAT_RGBA: