1 files changed, 39 insertions, 0 deletions
diff --git a/contrib/ffmpeg/libavcodec/rle.h b/contrib/ffmpeg/libavcodec/rle.h
new file mode 100644
index 000000000..14d07084f
--- /dev/null
+++ b/contrib/ffmpeg/libavcodec/rle.h
@@ -0,0 +1,39 @@
+/*
+ * RLE encoder
+ *
+ * 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 FFMPEG_RLE_H
+#define FFMPEG_RLE_H
+
+#include <stdint.h>
+
+/**
+ * RLE compress the row, with maximum size of out_size. Value before repeated bytes is (count ^ xor_rep) + add_rep.
+ *                                                      Value before raw bytes is      (count ^ xor_raw) + add_raw.
+ * @param outbuf Output buffer
+ * @param out_size Maximum output size
+ * @param ptr Input buffer
+ * @param bpp Bytes per pixel
+ * @param w Image width
+ * @return Size of output in bytes, or -1 if larger than out_size
+ */
+int ff_rle_encode(uint8_t *outbuf, int out_size, const uint8_t *inbuf, int bpp, int w,
+                  int add_rep, int xor_rep, int add_raw, int xor_raw);
+
+#endif /* FFMPEG_RLE_H */