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authorSven Gothel <[email protected]>2013-08-25 09:06:11 +0200
committerSven Gothel <[email protected]>2013-08-25 09:06:11 +0200
commit640dbb2e1780a6074b932a455252bb410e4393de (patch)
tree720da42ece2392cf734a1e48fe053e7bf558cf20 /make/stub_includes/libav/lavc53.lavf53.lavu51/libavutil/lzo.h
parentd0aee05031cd52ad4f6753a8859a21e77845bc35 (diff)
libav/ffmpeg: Move current lavc53.lavf53.lavu51 (version 8) header files to their sub-folders; Add lavc54.lavf54.lavu52 (version 9) header files
lavc54.lavf54.lavu52: - Begin testing w/ version 9 - Header files are binary incompatible (data types) Default is still lavc53.lavf53.lavu51
Diffstat (limited to 'make/stub_includes/libav/lavc53.lavf53.lavu51/libavutil/lzo.h')
-rw-r--r--make/stub_includes/libav/lavc53.lavf53.lavu51/libavutil/lzo.h77
1 files changed, 77 insertions, 0 deletions
diff --git a/make/stub_includes/libav/lavc53.lavf53.lavu51/libavutil/lzo.h b/make/stub_includes/libav/lavc53.lavf53.lavu51/libavutil/lzo.h
new file mode 100644
index 000000000..1b774a53b
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+++ b/make/stub_includes/libav/lavc53.lavf53.lavu51/libavutil/lzo.h
@@ -0,0 +1,77 @@
+/*
+ * LZO 1x decompression
+ * copyright (c) 2006 Reimar Doeffinger
+ *
+ * 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
+ */
+
+#ifndef AVUTIL_LZO_H
+#define AVUTIL_LZO_H
+
+/**
+ * @defgroup lavu_lzo LZO
+ * @ingroup lavu_crypto
+ *
+ * @{
+ */
+
+#include <stdint.h>
+
+/** @name Error flags returned by av_lzo1x_decode
+ * @{ */
+/// end of the input buffer reached before decoding finished
+#define AV_LZO_INPUT_DEPLETED 1
+/// decoded data did not fit into output buffer
+#define AV_LZO_OUTPUT_FULL 2
+/// a reference to previously decoded data was wrong
+#define AV_LZO_INVALID_BACKPTR 4
+/// a non-specific error in the compressed bitstream
+#define AV_LZO_ERROR 8
+/** @} */
+
+#define AV_LZO_INPUT_PADDING 8
+#define AV_LZO_OUTPUT_PADDING 12
+
+/**
+ * @brief Decodes LZO 1x compressed data.
+ * @param out output buffer
+ * @param outlen size of output buffer, number of bytes left are returned here
+ * @param in input buffer
+ * @param inlen size of input buffer, number of bytes left are returned here
+ * @return 0 on success, otherwise a combination of the error flags above
+ *
+ * Make sure all buffers are appropriately padded, in must provide
+ * AV_LZO_INPUT_PADDING, out must provide AV_LZO_OUTPUT_PADDING additional bytes.
+ */
+int av_lzo1x_decode(void *out, int *outlen, const void *in, int *inlen);
+
+/**
+ * @brief deliberately overlapping memcpy implementation
+ * @param dst destination buffer; must be padded with 12 additional bytes
+ * @param back how many bytes back we start (the initial size of the overlapping window)
+ * @param cnt number of bytes to copy, must be >= 0
+ *
+ * cnt > back is valid, this will copy the bytes we just copied,
+ * thus creating a repeating pattern with a period length of back.
+ */
+void av_memcpy_backptr(uint8_t *dst, int back, int cnt);
+
+/**
+ * @}
+ */
+
+#endif /* AVUTIL_LZO_H */