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, 51 insertions, 25 deletions

diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index cfaa6f196a..1b60e0e1d4 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -56,6 +56,7 @@ OBJS = ac3_parser.o                                                     \
        qsv_api.o                                                        \
        raw.o                                                            \
        utils.o                                                          \
+       version.o                                                        \
        vlc.o                                                            \
        vorbis_parser.o                                                  \
        xiph.o                                                           \
diff --git a/libavcodec/avcodec.c b/libavcodec/avcodec.c
index d11f035481..8afb6cd62e 100644
--- a/libavcodec/avcodec.c
+++ b/libavcodec/avcodec.c
@@ -40,31 +40,6 @@
 #include "frame_thread_encoder.h"
 #include "internal.h"
 #include "thread.h"
-#include "version.h"
-
-#include "libavutil/ffversion.h"
-const char av_codec_ffversion[] = "FFmpeg version " FFMPEG_VERSION;
-
-unsigned avcodec_version(void)
-{
-    av_assert0(AV_CODEC_ID_PCM_S8_PLANAR==65563);
-    av_assert0(AV_CODEC_ID_ADPCM_G722==69660);
-    av_assert0(AV_CODEC_ID_SRT==94216);
-    av_assert0(LIBAVCODEC_VERSION_MICRO >= 100);
-
-    return LIBAVCODEC_VERSION_INT;
-}
-
-const char *avcodec_configuration(void)
-{
-    return FFMPEG_CONFIGURATION;
-}
-
-const char *avcodec_license(void)
-{
-#define LICENSE_PREFIX "libavcodec license: "
-    return &LICENSE_PREFIX FFMPEG_LICENSE[sizeof(LICENSE_PREFIX) - 1];
-}
 
 int avcodec_default_execute(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2), void *arg, int *ret, int count, int size)
 {
diff --git a/libavcodec/version.c b/libavcodec/version.c
new file mode 100644
index 0000000000..d7966b2015
--- /dev/null
+++ b/libavcodec/version.c
@@ -0,0 +1,50 @@
+/*
+ * 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 "avcodec.h"
+#include "codec_id.h"
+#include "version.h"
+
+#include "libavutil/ffversion.h"
+const char av_codec_ffversion[] = "FFmpeg version " FFMPEG_VERSION;
+
+unsigned avcodec_version(void)
+{
+    av_assert0(AV_CODEC_ID_PCM_S8_PLANAR==65563);
+    av_assert0(AV_CODEC_ID_ADPCM_G722==69660);
+    av_assert0(AV_CODEC_ID_SRT==94216);
+    av_assert0(LIBAVCODEC_VERSION_MICRO >= 100);
+
+    return LIBAVCODEC_VERSION_INT;
+}
+
+const char *avcodec_configuration(void)
+{
+    return FFMPEG_CONFIGURATION;
+}
+
+const char *avcodec_license(void)
+{
+#define LICENSE_PREFIX "libavcodec license: "
+    return &LICENSE_PREFIX FFMPEG_LICENSE[sizeof(LICENSE_PREFIX) - 1];
+}