Revision 930344d8

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libavcodec/amr.c
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 */
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 /*
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    This code implements amr-nb and amr-wb audio encoder/decoder through external reference
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    code from www.3gpp.org. The licence of the code from 3gpp is unclear so you
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    code from www.3gpp.org. The license of the code from 3gpp is unclear so you
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    have to download the code separately. Two versions exists: One fixed-point
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    and one with floats. For some reason the float-encoder is significant faster
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    atleast on a P4 1.5GHz (0.9s instead of 9.9s on a 30s audio clip at MR102).
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    Both float and fixed point is supported for amr-nb, but only float for
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    at least on a P4 1.5GHz (0.9s instead of 9.9s on a 30s audio clip at MR102).
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    Both float and fixed point are supported for amr-nb, but only float for
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    amr-wb.
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    --AMR-NB--
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    The fixed-point (TS26.073) can be downloaded from:
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    http://www.3gpp.org/ftp/Specs/archive/26_series/26.073/26073-510.zip
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    Extract the soure into ffmpeg/libavcodec/amr
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    Extract the source into ffmpeg/libavcodec/amr
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    To use the fixed version run "./configure" with "--enable-amr_nb-fixed"
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    The float version (default) can be downloaded from:
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    http://www.3gpp.org/ftp/Specs/archive/26_series/26.104/26104-510.zip
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    Extract the soure into ffmpeg/libavcodec/amr_float
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    Extract the source into ffmpeg/libavcodec/amr_float
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    The specification for amr-nb can be found in TS 26.071
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    (http://www.3gpp.org/ftp/Specs/html-info/26071.htm) and some other
......
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    The specification for amr-wb can be downloaded from:
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    http://www.3gpp.org/ftp/Specs/archive/26_series/26.171/26171-500.zip
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    If someone want to use the fixed point version it can be downloaded
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    If someone wants to use the fixed point version it can be downloaded
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    from: http://www.3gpp.org/ftp/Specs/archive/26_series/26.173/26173-571.zip
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 */

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