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authorMauro Carvalho Chehab <mchehab@infradead.org>2008-07-09 22:42:07 -0300
committerMauro Carvalho Chehab <mchehab@infradead.org>2008-07-09 22:42:07 -0300
commit06baaa0441c7fec2a211ddf7c502f837cd988132 (patch)
tree284236ae49b1385a091119cf7b3520bc7d64552a /v4l2-apps/lib/libv4l/include/libv4lconvert.h
parente5561cf14fe189f7f0d726a1c66ffa992354ab2d (diff)
parentd784aba6717da44bfef18007146f6d00280e39fe (diff)
downloadmediapointer-dvb-s2-06baaa0441c7fec2a211ddf7c502f837cd988132.tar.gz
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merge: http://linuxtv.org/hg/~mkrufky/fusionhdtv7
From: Mauro Carvalho Chehab <mchehab@infradead.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'v4l2-apps/lib/libv4l/include/libv4lconvert.h')
-rw-r--r--v4l2-apps/lib/libv4l/include/libv4lconvert.h67
1 files changed, 67 insertions, 0 deletions
diff --git a/v4l2-apps/lib/libv4l/include/libv4lconvert.h b/v4l2-apps/lib/libv4l/include/libv4lconvert.h
new file mode 100644
index 000000000..d8446dac8
--- /dev/null
+++ b/v4l2-apps/lib/libv4l/include/libv4lconvert.h
@@ -0,0 +1,67 @@
+/*
+# (C) 2008 Hans de Goede <j.w.r.degoede@hhs.nl>
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License as published by
+# the Free Software Foundation; either version 2.1 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+
+#ifndef __LIBV4LCONVERT_H
+#define __LIBV4LCONVERT_H
+
+/* These headers are not needed by us, but by linux/videodev2.h,
+ which is broken on some systems and doesn't include them itself :( */
+#include <sys/time.h>
+#include <linux/types.h>
+#include <linux/ioctl.h>
+/* end broken header workaround includes */
+#include <linux/videodev2.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+struct v4lconvert_data;
+
+struct v4lconvert_data *v4lconvert_create(int fd);
+void v4lconvert_destroy(struct v4lconvert_data *data);
+
+/* With regards to dest_fmt just like VIDIOC_TRY_FMT, except that the try
+ format will succeed and return the requested V4L2_PIX_FMT_foo in dest_fmt if
+ the cam has a format from which v4lconvert can convert to dest_fmt.
+ The real format to which the cam should be set is returned through src_fmt
+ when not NULL. */
+int v4lconvert_try_format(struct v4lconvert_data *data,
+ struct v4l2_format *dest_fmt, /* in / out */
+ struct v4l2_format *src_fmt /* out */
+);
+
+/* Just like VIDIOC_ENUM_FMT, except that the emulated formats are added at
+ the end of the list */
+int v4lconvert_enum_fmt(struct v4lconvert_data *data, struct v4l2_fmtdesc *fmt);
+
+/* return value of -1 on error, otherwise the amount of bytes written to
+ dest */
+int v4lconvert_convert(struct v4lconvert_data *data,
+ const struct v4l2_format *src_fmt, /* in */
+ const struct v4l2_format *dest_fmt, /* in */
+ unsigned char *src, int src_size, unsigned char *dest, int dest_size);
+
+/* get a string describing the last error*/
+const char *v4lconvert_get_error_message(struct v4lconvert_data *data);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif