Add ffmpeg externals

Externals/ffmpeg/include/libavformat/version.h

@@ -0,0 +1,78 @@
+/*
+ * Version macros.
+ *
+ * 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
+ */
+
+#ifndef AVFORMAT_VERSION_H
+#define AVFORMAT_VERSION_H
+
+/**
+ * @file
+ * @ingroup libavf
+ * Libavformat version macros
+ */
+
+#include "libavutil/version.h"
+
+#define LIBAVFORMAT_VERSION_MAJOR  57
+#define LIBAVFORMAT_VERSION_MINOR  21
+#define LIBAVFORMAT_VERSION_MICRO 100
+
+#define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \
+                                               LIBAVFORMAT_VERSION_MINOR, \
+                                               LIBAVFORMAT_VERSION_MICRO)
+#define LIBAVFORMAT_VERSION     AV_VERSION(LIBAVFORMAT_VERSION_MAJOR,   \
+                                           LIBAVFORMAT_VERSION_MINOR,   \
+                                           LIBAVFORMAT_VERSION_MICRO)
+#define LIBAVFORMAT_BUILD       LIBAVFORMAT_VERSION_INT
+
+#define LIBAVFORMAT_IDENT       "Lavf" AV_STRINGIFY(LIBAVFORMAT_VERSION)
+
+/**
+ * FF_API_* defines may be placed below to indicate public API that will be
+ * dropped at a future version bump. The defines themselves are not part of
+ * the public API and may change, break or disappear at any time.
+ *
+ * @note, when bumping the major version it is recommended to manually
+ * disable each FF_API_* in its own commit instead of disabling them all
+ * at once through the bump. This improves the git bisect-ability of the change.
+ *
+ */
+#ifndef FF_API_LAVF_BITEXACT
+#define FF_API_LAVF_BITEXACT            (LIBAVFORMAT_VERSION_MAJOR < 58)
+#endif
+#ifndef FF_API_LAVF_FRAC
+#define FF_API_LAVF_FRAC                (LIBAVFORMAT_VERSION_MAJOR < 58)
+#endif
+#ifndef FF_API_LAVF_CODEC_TB
+#define FF_API_LAVF_CODEC_TB            (LIBAVFORMAT_VERSION_MAJOR < 58)
+#endif
+#ifndef FF_API_URL_FEOF
+#define FF_API_URL_FEOF                 (LIBAVFORMAT_VERSION_MAJOR < 58)
+#endif
+#ifndef FF_API_LAVF_FMT_RAWPICTURE
+#define FF_API_LAVF_FMT_RAWPICTURE      (LIBAVFORMAT_VERSION_MAJOR < 58)
+#endif
+#ifndef FF_API_COMPUTE_PKT_FIELDS2
+#define FF_API_COMPUTE_PKT_FIELDS2      (LIBAVFORMAT_VERSION_MAJOR < 58)
+#endif
+
+#ifndef FF_API_R_FRAME_RATE
+#define FF_API_R_FRAME_RATE            1
+#endif
+#endif /* AVFORMAT_VERSION_H */