[aravis] gst: use raw-gray as format for MONO_8.

[Emmanuel Pacaud <emmanuel src gnome org>]

commit d0c5f967b1db682d20d86d57296eddcd5f7f95c6
Author: Emmanuel Pacaud <emmanuel pacaud lapp in2p3 fr>
Date:   Mon Feb 14 17:28:25 2011 +0100

    gst: use raw-gray as format for MONO_8.

 src/arvtools.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)
---
diff --git a/src/arvtools.c b/src/arvtools.c
index 035fce4..874a0a0 100644
--- a/src/arvtools.c
+++ b/src/arvtools.c
@@ -700,14 +700,14 @@ typedef struct {
 } ArvGstCapsInfos;
 
 ArvGstCapsInfos arv_gst_caps_infos[] = {
-	{ ARV_PIXEL_FORMAT_MONO_8,		"video/x-raw-yuv, format=(fourcc)Y8  "},
+	{ ARV_PIXEL_FORMAT_MONO_8,		"video/x-raw-gray, bpp=(int)8, depth=(int)8"},
 	{ ARV_PIXEL_FORMAT_MONO_10,		"video/x-raw-gray, bpp=(int)16, depth=(int)10"},
 	{ ARV_PIXEL_FORMAT_MONO_12,		"video/x-raw-gray, bpp=(int)16, depth=(int)12"},
 	{ ARV_PIXEL_FORMAT_MONO_12_PACKED,	"video/x-raw-gray, bpp=(int)12, depth=(int)12"},
 	{ ARV_PIXEL_FORMAT_MONO_16,		"video/x-raw-gray, bpp=(int)16, depth=(int)16"},
 	{ ARV_PIXEL_FORMAT_YUV_422_PACKED,	"video/x-raw-yuv, format=(fourcc)UYVY"},
 	{ ARV_PIXEL_FORMAT_YUV_422_YUYV_PACKED,	"video/x-raw-yuv, format=(fourcc)YUY2"},
-	{ ARV_PIXEL_FORMAT_RGB_8_PACKED,	"video/x-raw-rgb, bpp=(int)24, depth=(int)24"},
+	{ ARV_PIXEL_FORMAT_RGB_8_PACKED,	"video/x-raw-rgb, bpp=(int)24, depth=(int)24"}
 };
 
 /**
@@ -728,5 +728,7 @@ arv_pixel_format_to_gst_caps_string (ArvPixelFormat pixel_format)
 	if (i == G_N_ELEMENTS (arv_gst_caps_infos))
 		return NULL;
 
+	arv_debug ("gst", "[PixelFormat::to_gst_caps_string] 0x%08x -> %s", pixel_format, arv_gst_caps_infos[i].gst_caps_string);
+
 	return arv_gst_caps_infos[i].gst_caps_string;
 }