[gst-cvs] gst-plugins-bad: colorspace: Add support for A420

[<sl...@ke...>]

Module: gst-plugins-bad
Branch: master
Commit: d29423fd76d37ab957ae5040b14e33f65b95dd23
URL:    http://cgit.freedesktop.org/gstreamer/gst-plugins-bad/commit/?id=d29423fd76d37ab957ae5040b14e33f65b95dd23

Author: Sebastian Dröge <seb...@co...>
Date:   Sun Oct 31 23:07:43 2010 +0100

colorspace: Add support for A420

---

 gst/colorspace/colorspace.c         |   25 ++++++++++++++++++++++-
 gst/colorspace/gstcolorspace.c      |    2 +-
 gst/colorspace/gstcolorspaceorc.orc |   36 +++++++++++++++++++++++++++++++++++
 3 files changed, 60 insertions(+), 3 deletions(-)

diff --git a/gst/colorspace/colorspace.c b/gst/colorspace/colorspace.c
index c3b1a6b..fabcafb 100644
--- a/gst/colorspace/colorspace.c
+++ b/gst/colorspace/colorspace.c
@@ -707,6 +707,27 @@ putline_UYVP (ColorspaceConvert * convert, guint8 * dest, const guint8 * src,
   }
 }
 
+static void
+getline_A420 (ColorspaceConvert * convert, guint8 * dest, const guint8 * src,
+    int j)
+{
+  cogorc_getline_A420 (dest,
+      FRAME_GET_LINE (src, 0, j),
+      FRAME_GET_LINE (src, 1, j >> 1),
+      FRAME_GET_LINE (src, 2, j >> 1),
+      FRAME_GET_LINE (src, 3, j), convert->width);
+}
+
+static void
+putline_A420 (ColorspaceConvert * convert, guint8 * dest, const guint8 * src,
+    int j)
+{
+  cogorc_putline_A420 (FRAME_GET_LINE (dest, 0, j),
+      FRAME_GET_LINE (dest, 1, j >> 1),
+      FRAME_GET_LINE (dest, 2, j >> 1),
+      FRAME_GET_LINE (dest, 3, j), src, convert->width / 2);
+}
+
 typedef struct
 {
   GstVideoFormat format;
@@ -749,8 +770,8 @@ static const ColorspaceLine lines[] = {
   //{GST_VIDEO_FORMAT_BGR16, getline_BGR16, putline_BGR16},
   //{GST_VIDEO_FORMAT_RGB15, getline_RGB15, putline_RGB15},
   //{GST_VIDEO_FORMAT_BGR15, getline_BGR15, putline_BGR15},
-  {GST_VIDEO_FORMAT_UYVP, getline_UYVP, putline_UYVP}
-  //{GST_VIDEO_FORMAT_A420, getline_A420, putline_A420}
+  {GST_VIDEO_FORMAT_UYVP, getline_UYVP, putline_UYVP},
+  {GST_VIDEO_FORMAT_A420, getline_A420, putline_A420}
 };
 
 static void
diff --git a/gst/colorspace/gstcolorspace.c b/gst/colorspace/gstcolorspace.c
index 2fefd1c..6900135 100644
--- a/gst/colorspace/gstcolorspace.c
+++ b/gst/colorspace/gstcolorspace.c
@@ -47,7 +47,7 @@ GST_DEBUG_CATEGORY (colorspace_performance);
 #define CSP_VIDEO_CAPS						\
   "video/x-raw-yuv, width = "GST_VIDEO_SIZE_RANGE" , "			\
   "height="GST_VIDEO_SIZE_RANGE",framerate="GST_VIDEO_FPS_RANGE","	\
-  "format= (fourcc) { I420 , NV12 , NV21 , YV12 , YUY2 , Y42B , Y444 , YUV9 , YVU9 , Y41B , Y800 , Y8 , GREY , Y16 , UYVY , YVYU , IYU1 , v308 , AYUV, v210 } ;" \
+  "format= (fourcc) { I420 , NV12 , NV21 , YV12 , YUY2 , Y42B , Y444 , YUV9 , YVU9 , Y41B , Y800 , Y8 , GREY , Y16 , UYVY , YVYU , IYU1 , v308 , AYUV, v210, A420 } ;" \
   GST_VIDEO_CAPS_RGB";"							\
   GST_VIDEO_CAPS_BGR";"							\
   GST_VIDEO_CAPS_RGBx";"						\
diff --git a/gst/colorspace/gstcolorspaceorc.orc b/gst/colorspace/gstcolorspaceorc.orc
index df6773b..a5dea5f 100644
--- a/gst/colorspace/gstcolorspaceorc.orc
+++ b/gst/colorspace/gstcolorspaceorc.orc
@@ -1488,6 +1488,22 @@ mergewl uvuv, uv, uv
 x2 mergebw ay, c255, y
 x2 mergewl d, ay, uvuv
 
+.function cogorc_getline_A420
+.dest 4 d guint8
+.source 1 y guint8
+.source 1 u guint8
+.source 1 v guint8
+.source 1 a guint8
+.temp 2 uv
+.temp 2 ay
+.temp 1 tu
+.temp 1 tv
+
+loadupdb tu, u
+loadupdb tv, v
+mergebw uv, tu, tv
+mergebw ay, a, y
+mergewl d, ay, uv
 
 .function cogorc_putline_I420
 .dest 2 y guint8
@@ -1678,4 +1694,24 @@ splitlw uv1, uv2, uvuv
 x2 avgub uv, uv1, uv2
 swapw vu, uv
 
+.function cogorc_putline_A420
+.dest 2 y guint8
+.dest 1 u guint8
+.dest 1 v guint8
+.dest 2 a guint8
+.source 8 ayuv guint8
+.temp 4 ay
+.temp 4 uv
+.temp 2 uu
+.temp 2 vv
+.temp 1 t1
+.temp 1 t2
 
+x2 splitlw uv, ay, ayuv
+x2 select1wb y, ay
+x2 select0wb a, ay
+x2 splitwb vv, uu, uv
+splitwb t1, t2, uu
+avgub u, t1, t2
+splitwb t1, t2, vv
+avgub v, t1, t2