updated ffmpeg to 0.10.2
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43
3rdparty/include/ffmpeg_/libavutil/lzo.h
vendored
43
3rdparty/include/ffmpeg_/libavutil/lzo.h
vendored
@@ -22,30 +22,37 @@
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#ifndef AVUTIL_LZO_H
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#define AVUTIL_LZO_H
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/**
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* @defgroup lavu_lzo LZO
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* @ingroup lavu_crypto
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*
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* @{
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*/
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#include <stdint.h>
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/** @name Error flags returned by av_lzo1x_decode
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* \{ */
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//! end of the input buffer reached before decoding finished
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* @{ */
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/// end of the input buffer reached before decoding finished
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#define AV_LZO_INPUT_DEPLETED 1
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//! decoded data did not fit into output buffer
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/// decoded data did not fit into output buffer
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#define AV_LZO_OUTPUT_FULL 2
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//! a reference to previously decoded data was wrong
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/// a reference to previously decoded data was wrong
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#define AV_LZO_INVALID_BACKPTR 4
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//! a non-specific error in the compressed bitstream
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/// a non-specific error in the compressed bitstream
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#define AV_LZO_ERROR 8
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/** \} */
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/** @} */
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#define AV_LZO_INPUT_PADDING 8
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#define AV_LZO_OUTPUT_PADDING 12
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/**
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* \brief Decodes LZO 1x compressed data.
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* \param out output buffer
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* \param outlen size of output buffer, number of bytes left are returned here
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* \param in input buffer
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* \param inlen size of input buffer, number of bytes left are returned here
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* \return 0 on success, otherwise a combination of the error flags above
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* @brief Decodes LZO 1x compressed data.
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* @param out output buffer
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* @param outlen size of output buffer, number of bytes left are returned here
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* @param in input buffer
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* @param inlen size of input buffer, number of bytes left are returned here
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* @return 0 on success, otherwise a combination of the error flags above
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*
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* Make sure all buffers are appropriately padded, in must provide
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* AV_LZO_INPUT_PADDING, out must provide AV_LZO_OUTPUT_PADDING additional bytes.
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@@ -53,14 +60,18 @@
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int av_lzo1x_decode(void *out, int *outlen, const void *in, int *inlen);
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/**
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* \brief deliberately overlapping memcpy implementation
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* \param dst destination buffer; must be padded with 12 additional bytes
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* \param back how many bytes back we start (the initial size of the overlapping window)
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* \param cnt number of bytes to copy, must be >= 0
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* @brief deliberately overlapping memcpy implementation
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* @param dst destination buffer; must be padded with 12 additional bytes
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* @param back how many bytes back we start (the initial size of the overlapping window), must be > 0
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* @param cnt number of bytes to copy, must be >= 0
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*
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* cnt > back is valid, this will copy the bytes we just copied,
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* thus creating a repeating pattern with a period length of back.
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*/
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void av_memcpy_backptr(uint8_t *dst, int back, int cnt);
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/**
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* @}
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*/
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#endif /* AVUTIL_LZO_H */
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