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From 023befba9aad60ef58177fd987a6aa40c357b2b2 Mon Sep 17 00:00:00 2001
From: Eric Nelson <eric.nelson@boundarydevices.com>
Date: Fri, 16 Aug 2013 11:42:23 -0700
Subject: [PATCH] i.MX video renderer: Allow v4l device from environment
The i.MX6 supports multiple IPUs and multiple V4L2 output
devices for each.
Devices are numbered starting with /dev/video16 and defined
for each configured display. In general, /dev/video16 will
correspond to the RGB (background) layer for /dev/fb0.
If a display is the first on an IPU, an additional V4L2
output will be defined that corresponds to the normally
YUV overlay (foreground) layer.
This patch allows association of the proper device for
a particular session for use in multi-headed applications.
The default is /dev/video17:
export v4lsinkdev=/dev/video17
Signed-off-by: Eric Nelson <eric.nelson@boundarydevices.com>
---
src/3rdparty/phonon/gstreamer/widgetrenderer.cpp | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/src/3rdparty/phonon/gstreamer/widgetrenderer.cpp b/src/3rdparty/phonon/gstreamer/widgetrenderer.cpp
index aa4925a..a502ccd 100644
--- a/src/3rdparty/phonon/gstreamer/widgetrenderer.cpp
+++ b/src/3rdparty/phonon/gstreamer/widgetrenderer.cpp
@@ -58,9 +58,12 @@ WidgetRenderer::WidgetRenderer(VideoWidget *videoWidget)
: AbstractRenderer(videoWidget)
{
if ((m_videoSink = gst_element_factory_make("mfw_v4lsink", NULL)) && m_videoSink != NULL) {
-
+ char *videodev;
gst_object_ref (GST_OBJECT (m_videoSink)); //Take ownership
gst_object_sink (GST_OBJECT (m_videoSink));
+ videodev=getenv("v4lsinkdev");
+ if (videodev)
+ g_object_set (G_OBJECT (m_videoSink), "device", videodev, NULL);
}
// Clear the background with black by default
--
1.8.1.2
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