lib*/version: Move library version functions into files of their own

This avoids having to rebuild big files every time FFMPEG_VERSION
changes (which it does with every commit).

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>

3 files changed, 46 insertions, 24 deletions

diff --git a/libavdevice/Makefile b/libavdevice/Makefile
index 99fea7133a..bbe2f69dcc 100644
--- a/libavdevice/Makefile
+++ b/libavdevice/Makefile
@@ -8,6 +8,7 @@ HEADERS = avdevice.h                                                    \
 OBJS    = alldevices.o                                                  \
           avdevice.o                                                    \
           utils.o                                                       \
+          version.o                                                     \
 
 OBJS-$(HAVE_LIBC_MSVCRT)                 += file_open.o
 
diff --git a/libavdevice/avdevice.c b/libavdevice/avdevice.c
index 833d200054..b4fb272eb6 100644
--- a/libavdevice/avdevice.c
+++ b/libavdevice/avdevice.c
@@ -17,15 +17,8 @@
  */
 
 #include "libavutil/avassert.h"
-#include "libavutil/samplefmt.h"
-#include "libavutil/pixfmt.h"
 #include "avdevice.h"
 #include "internal.h"
-#include "config.h"
-#include "version.h"
-
-#include "libavutil/ffversion.h"
-const char av_device_ffversion[] = "FFmpeg version " FFMPEG_VERSION;
 
 #if FF_API_DEVICE_CAPABILITIES
 const AVOption av_device_capabilities[] = {
@@ -33,23 +26,6 @@ const AVOption av_device_capabilities[] = {
 };
 #endif
 
-unsigned avdevice_version(void)
-{
-    av_assert0(LIBAVDEVICE_VERSION_MICRO >= 100);
-    return LIBAVDEVICE_VERSION_INT;
-}
-
-const char * avdevice_configuration(void)
-{
-    return FFMPEG_CONFIGURATION;
-}
-
-const char * avdevice_license(void)
-{
-#define LICENSE_PREFIX "libavdevice license: "
-    return &LICENSE_PREFIX FFMPEG_LICENSE[sizeof(LICENSE_PREFIX) - 1];
-}
-
 int avdevice_app_to_dev_control_message(struct AVFormatContext *s, enum AVAppToDevMessageType type,
                                         void *data, size_t data_size)
 {
diff --git a/libavdevice/version.c b/libavdevice/version.c
new file mode 100644
index 0000000000..92d7f2d159
--- /dev/null
+++ b/libavdevice/version.c
@@ -0,0 +1,45 @@
+/*
+ * Version functions.
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg 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,
+ * 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
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "config.h"
+
+#include "libavutil/avassert.h"
+#include "avdevice.h"
+#include "version.h"
+
+#include "libavutil/ffversion.h"
+const char av_device_ffversion[] = "FFmpeg version " FFMPEG_VERSION;
+
+unsigned avdevice_version(void)
+{
+    av_assert0(LIBAVDEVICE_VERSION_MICRO >= 100);
+    return LIBAVDEVICE_VERSION_INT;
+}
+
+const char * avdevice_configuration(void)
+{
+    return FFMPEG_CONFIGURATION;
+}
+
+const char * avdevice_license(void)
+{
+#define LICENSE_PREFIX "libavdevice license: "
+    return &LICENSE_PREFIX FFMPEG_LICENSE[sizeof(LICENSE_PREFIX) - 1];
+}