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v4l2: define V4L2_FIELD_INTERLACED_{TB,BT} if not available in header

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Older kernels don't have these, and there's no easy way to check for the
existance of enums that doesn't involve a configure check, so just define
these if the V4L2_CAP_VIDEO_OUTPUT_OVERLAY define is not there, which was
added in the same commit as the TB/BT enum. Fixes compilation on CentOS 5.

https://bugzilla.gnome.org/show_bug.cgi?id=639339
This commit is contained in:
Tim-Philipp Müller 2011-01-12 20:38:59 +00:00
parent 0520052540
commit 9dcb60822f
2 changed files with 15 additions and 0 deletions
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8
sys/v4l2/gstv4l2bufferpool.c
View file

@ -40,6 +40,14 @@
#include "v4l2_calls.h"
#include "gst/gst-i18n-plugin.h"
/* videodev2.h is not versioned and we can't easily check for the presence
* of enum values at compile time, but the V4L2_CAP_VIDEO_OUTPUT_OVERLAY define
* was added in the same commit as V4L2_FIELD_INTERLACED_{TB,BT} (b2787845) */
#ifndef V4L2_CAP_VIDEO_OUTPUT_OVERLAY
#define V4L2_FIELD_INTERLACED_TB 8
#define V4L2_FIELD_INTERLACED_BT 9
#endif
GST_DEBUG_CATEGORY_EXTERN (v4l2_debug);
#define GST_CAT_DEFAULT v4l2_debug

7
sys/v4l2/gstv4l2object.c
View file

@ -41,6 +41,13 @@
#include "gst/gst-i18n-plugin.h"
/* videodev2.h is not versioned and we can't easily check for the presence
* of enum values at compile time, but the V4L2_CAP_VIDEO_OUTPUT_OVERLAY define
* was added in the same commit as V4L2_FIELD_INTERLACED_{TB,BT} (b2787845) */
#ifndef V4L2_CAP_VIDEO_OUTPUT_OVERLAY
#define V4L2_FIELD_INTERLACED_TB 8
#define V4L2_FIELD_INTERLACED_BT 9
#endif
GST_DEBUG_CATEGORY_EXTERN (v4l2_debug);
#define GST_CAT_DEFAULT v4l2_debug