v4l2: factorize returning error codes.

[ffmpeg] / libavdevice / avdevice.h

diff --git a/libavdevice/avdevice.h b/libavdevice/avdevice.h
index 15d6ee5b0b0b5b9344abdd18bd3fa92773e0056c..d82b26fda6a367a3217c3b890149696ce6d30fc3 100644 (file)
--- a/libavdevice/avdevice.h
+++ b/libavdevice/avdevice.h
@@ -1,35 +1,62 @@
 /*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
  *
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav 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.
  *
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav 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
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#ifndef FFMPEG_AVDEVICE_H
-#define FFMPEG_AVDEVICE_H
+#ifndef AVDEVICE_AVDEVICE_H
+#define AVDEVICE_AVDEVICE_H
 
-#define LIBAVDEVICE_VERSION_TRIPLET 52,0,0
+#include "libavutil/avutil.h"
 
-#define LIBAVDEVICE_VERSION_INT AV_VERSION_INT(LIBAVDEVICE_VERSION_TRIPLET)
-#define LIBAVDEVICE_VERSION     AV_VERSION(LIBAVDEVICE_VERSION_TRIPLET)
+#define LIBAVDEVICE_VERSION_MAJOR 53
+#define LIBAVDEVICE_VERSION_MINOR  0
+#define LIBAVDEVICE_VERSION_MICRO  0
+
+#define LIBAVDEVICE_VERSION_INT AV_VERSION_INT(LIBAVDEVICE_VERSION_MAJOR, \
+                                               LIBAVDEVICE_VERSION_MINOR, \
+                                               LIBAVDEVICE_VERSION_MICRO)
+#define LIBAVDEVICE_VERSION     AV_VERSION(LIBAVDEVICE_VERSION_MAJOR, \
+                                           LIBAVDEVICE_VERSION_MINOR, \
+                                           LIBAVDEVICE_VERSION_MICRO)
 #define LIBAVDEVICE_BUILD       LIBAVDEVICE_VERSION_INT
 
+#ifndef FF_API_V4L
+#define FF_API_V4L              (LIBAVDEVICE_VERSION_MAJOR < 54)
+#endif
+
+/**
+ * Return the LIBAVDEVICE_VERSION_INT constant.
+ */
+unsigned avdevice_version(void);
+
+/**
+ * Return the libavdevice build-time configuration.
+ */
+const char *avdevice_configuration(void);
+
+/**
+ * Return the libavdevice license.
+ */
+const char *avdevice_license(void);
+
 /**
  * Initialize libavdevice and register all the input and output devices.
  * @warning This function is not thread safe.
  */
 void avdevice_register_all(void);
 
-#endif /* FFMPEG_AVDEVICE_H */
+#endif /* AVDEVICE_AVDEVICE_H */