[prev in list] [next in list] [prev in thread] [next in thread]
List: gstreamer-cvs
Subject: [gst-cvs] gst-plugins-bad: colorspace: Add support for Y41B
From: slomo () kemper ! freedesktop ! org (Sebastian Dröge)
Date: 2010-10-31 22:26:13
Message-ID: 20101031222613.AFCBA10057 () kemper ! freedesktop ! org
[Download RAW message or body]
Module: gst-plugins-bad
Branch: master
Commit: cd135c24e4a88398d289748b18f593417b7f0b4e
URL: http://cgit.freedesktop.org/gstreamer/gst-plugins-bad/commit/?id=cd135c24e4a88398d289748b18f593417b7f0b4e
Author: Sebastian Dröge <sebastian.droege@collabora.co.uk>
Date: Sun Oct 31 23:00:07 2010 +0100
colorspace: Add support for Y41B
---
gst/colorspace/colorspace.c | 65 ++++++++++++++++++++++++++++++++++++++++++-
1 files changed, 64 insertions(+), 1 deletions(-)
diff --git a/gst/colorspace/colorspace.c b/gst/colorspace/colorspace.c
index b7ed03c..c3b1a6b 100644
--- a/gst/colorspace/colorspace.c
+++ b/gst/colorspace/colorspace.c
@@ -413,6 +413,69 @@ putline_v216 (ColorspaceConvert * convert, guint8 * dest, const \
guint8 * src, }
static void
+getline_Y41B (ColorspaceConvert * convert, guint8 * dest, const guint8 * src,
+ int j)
+{
+ int i;
+ const guint8 *srclineY = FRAME_GET_LINE (src, 0, j);
+ const guint8 *srclineU = FRAME_GET_LINE (src, 1, j);
+ const guint8 *srclineV = FRAME_GET_LINE (src, 2, j);
+
+ for (i = 0; i < convert->width; i++) {
+ dest[i * 4 + 0] = 0xff;
+ dest[i * 4 + 1] = srclineY[i];
+ dest[i * 4 + 2] = srclineU[i >> 2];
+ dest[i * 4 + 3] = srclineV[i >> 2];
+ }
+}
+
+static void
+putline_Y41B (ColorspaceConvert * convert, guint8 * dest, const guint8 * src,
+ int j)
+{
+ int i;
+ guint8 *destlineY = FRAME_GET_LINE (dest, 0, j);
+ guint8 *destlineU = FRAME_GET_LINE (dest, 1, j);
+ guint8 *destlineV = FRAME_GET_LINE (dest, 2, j);
+
+ for (i = 0; i < convert->width - 3; i += 4) {
+ destlineY[i] = src[i * 4 + 1];
+ destlineY[i + 1] = src[i * 4 + 5];
+ destlineY[i + 2] = src[i * 4 + 9];
+ destlineY[i + 3] = src[i * 4 + 13];
+
+ destlineU[i >> 2] =
+ (src[i * 4 + 2] + src[i * 4 + 6] + src[i * 4 + 10] + src[i * 4 + 14] +
+ 2) >> 2;
+ destlineV[i >> 2] =
+ (src[i * 4 + 3] + src[i * 4 + 7] + src[i * 4 + 11] + src[i * 4 + 15] +
+ 2) >> 2;
+ }
+
+ if (i == convert->width - 3) {
+ destlineY[i] = src[i * 4 + 1];
+ destlineY[i + 1] = src[i * 4 + 5];
+ destlineY[i + 2] = src[i * 4 + 9];
+
+ destlineU[i >> 2] =
+ (src[i * 4 + 2] + src[i * 4 + 6] + src[i * 4 + 10] + 1) / 3;
+ destlineV[i >> 2] =
+ (src[i * 4 + 3] + src[i * 4 + 7] + src[i * 4 + 11] + 1) / 3;
+ } else if (i == convert->width - 2) {
+ destlineY[i] = src[i * 4 + 1];
+ destlineY[i + 1] = src[i * 4 + 5];
+
+ destlineU[i >> 2] = (src[i * 4 + 2] + src[i * 4 + 6] + 1) >> 1;
+ destlineV[i >> 2] = (src[i * 4 + 3] + src[i * 4 + 7] + 1) >> 1;
+ } else if (i == convert->width - 1) {
+ destlineY[i + 1] = src[i * 4 + 5];
+
+ destlineU[i >> 2] = src[i * 4 + 2];
+ destlineV[i >> 2] = src[i * 4 + 3];
+ }
+}
+
+static void
getline_Y42B (ColorspaceConvert * convert, guint8 * dest, const guint8 * src,
int j)
{
@@ -668,7 +731,7 @@ static const ColorspaceLine lines[] = {
{GST_VIDEO_FORMAT_ABGR, getline_ABGR, putline_ABGR},
{GST_VIDEO_FORMAT_RGB, getline_RGB, putline_RGB},
{GST_VIDEO_FORMAT_BGR, getline_BGR, putline_BGR},
- //{GST_VIDEO_FORMAT_Y41B, getline_Y41B, putline_Y41B},
+ {GST_VIDEO_FORMAT_Y41B, getline_Y41B, putline_Y41B},
{GST_VIDEO_FORMAT_Y42B, getline_Y42B, putline_Y42B},
{GST_VIDEO_FORMAT_YVYU, getline_YVYU, putline_YVYU},
{GST_VIDEO_FORMAT_Y444, getline_Y444, putline_Y444},
------------------------------------------------------------------------------
Nokia and AT&T present the 2010 Calling All Innovators-North America contest
Create new apps & games for the Nokia N8 for consumers in U.S. and Canada
$10 million total in prizes - $4M cash, 500 devices, nearly $6M in marketing
Develop with Nokia Qt SDK, Web Runtime, or Java and Publish to Ovi Store
http://p.sf.net/sfu/nokia-dev2dev
_______________________________________________
gstreamer-cvs mailing list
gstreamer-cvs@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/gstreamer-cvs
[prev in list] [next in list] [prev in thread] [next in thread]
Configure |
About |
News |
Add a list |
Sponsored by KoreLogic