avformat: split out common SMJPEG code

This is a preparation for adding SMJPEG muxer.

Signed-off-by: Kostya Shishkov <kostya.shishkov@gmail.com>

1 files changed, 45 insertions, 0 deletions

diff --git a/libavformat/smjpeg.h b/libavformat/smjpeg.h
new file mode 100644
index 0000000000..c56fe46939
--- /dev/null
+++ b/libavformat/smjpeg.h
@@ -0,0 +1,45 @@
+/*
+ * SMJPEG common code
+ * Copyright (c) 2011-2012 Paul B Mahol
+ *
+ * This file is part of Libav.
+ *
+ * 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.
+ *
+ * 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 Libav; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/**
+ * @file
+ * SMJPEG common code
+ */
+
+#ifndef AVFORMAT_SMJPEG_H
+#define AVFORMAT_SMJPEG_H
+
+#include "internal.h"
+
+#define SMJPEG_MAGIC "\x0\xaSMJPEG"
+
+#define SMJPEG_DONE     MKTAG('D', 'O', 'N', 'E')
+#define SMJPEG_HEND     MKTAG('H', 'E', 'N', 'D')
+#define SMJPEG_SND      MKTAG('_', 'S', 'N', 'D')
+#define SMJPEG_SNDD     MKTAG('s', 'n', 'd', 'D')
+#define SMJPEG_TXT      MKTAG('_', 'T', 'X', 'T')
+#define SMJPEG_VID      MKTAG('_', 'V', 'I', 'D')
+#define SMJPEG_VIDD     MKTAG('v', 'i', 'd', 'D')
+
+extern const AVCodecTag ff_codec_smjpeg_video_tags[];
+extern const AVCodecTag ff_codec_smjpeg_audio_tags[];
+
+#endif /* AVFORMAT_SMJPEG_H */