Colin McQuillan
bb937155ec
Add a function that can apply an order 2 rational transfer function in-place.
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This function will be used in the upcoming AMR-NB floating point decoder for
high-pass filtering.
Patch by Colin McQuillan ( m.niloc googlemail com )
Originally committed as revision 19649 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-08-15 11:22:55 +00:00
Diego Biurrun
51222d1041
cosmetics: K&R style reformatting
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Originally committed as revision 19088 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-06-04 10:37:29 +00:00
Kenan Gillet
4599d22c0c
Split off celp_filters.[ch] from acelp_filters.[ch] for the QCELP decoder.
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patch by Kenan Gillet, kenan.gillet gmail com
Originally committed as revision 15680 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-10-24 21:29:23 +00:00
Stefano Sabatini
987903826b
Globally rename the header inclusion guard names.
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Consistently apply this rule: the guard name is obtained from the
filename by stripping the leading "lib", converting '/' and '.' to
'_' and uppercasing the resulting name. Guard names in the root
directory have to be prefixed by "FFMPEG_".
Originally committed as revision 15120 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-31 07:39:47 +00:00
Michael Niedermayer
8c5da74bc1
Mention cut-off freq of ff_acelp_high_pass_filter() instead of some
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meaningless input dependent value.
Originally committed as revision 14898 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-21 23:39:52 +00:00
Michael Niedermayer
cd523888f3
Remove ff_acelp_weighted_filter() which is just a function wrapping a 1
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line loop.
Originally committed as revision 14895 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-21 23:22:11 +00:00
Michael Niedermayer
5038ecb1f1
Rename subframe_size to a name that is not specific to some specific use
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of ff_acelp_convolve_circ()
Originally committed as revision 14894 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-21 22:41:20 +00:00
Michael Niedermayer
badcd8d719
Try to improve parameter doxy of ff_acelp_interpolate().
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Originally committed as revision 14892 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-21 22:34:13 +00:00
Michael Niedermayer
03a4da6f69
Clarify how generic ff_acelp_interpolate() is.
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Originally committed as revision 14891 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-21 22:05:14 +00:00
Michael Niedermayer
ba5a14fc5d
Correct incorrect length parameter doxy for ff_acelp_interpolate().
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Originally committed as revision 14890 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-21 22:02:04 +00:00
Michael Niedermayer
ef119cc837
Right half is clearer than positive half for specifying which part of
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the filter coeffs is used.
Originally committed as revision 14889 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-21 21:59:42 +00:00
Michael Niedermayer
7dd3e95a04
Mention the fixed-point scale of the FIR filter coefficients.
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Originally committed as revision 14888 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-21 21:56:48 +00:00
Michael Niedermayer
ba05497de5
Cleanup comment for ff_acelp_interp_filter.
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Originally committed as revision 14887 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-21 21:52:56 +00:00
Michael Niedermayer
2398930fe0
Make doxygen comments consistent with the rest of FFmpeg.
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Originally committed as revision 14886 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-21 21:37:53 +00:00
Robert Swain
f1b2f1bf50
Typo and grammar fix
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Originally committed as revision 14177 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-12 10:56:12 +00:00
Vitor Sessak
fe4a5b185f
Make ff_acelp_lp_synthesis_filter() receives a pointer to the actual filter coefficients and not the pointer minus one
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Originally committed as revision 14031 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-06-29 21:37:03 +00:00
Vitor Sessak
8a1c868ee6
Add a rounding parameter to ff_acelp_lp_synthesis_filter()
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Originally committed as revision 14028 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-06-29 11:19:50 +00:00
Vladimir Voroshilov
d347a046e2
Move pitch vector interpolation code to acelp_filters
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and convert it to a generic interpolation routine.
Originally committed as revision 13284 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-05-24 17:18:42 +00:00
Diego Biurrun
26c5202173
cosmetics: Use C-style comment delimiters with #endif directives.
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Originally committed as revision 13174 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-05-15 23:03:55 +00:00
Måns Rullgård
40a655e306
acelp_filters.h needs stdint.h
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Originally committed as revision 13150 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-05-13 18:10:15 +00:00
Vladimir Voroshilov
542c064d1b
Update comment to version, negotiated with Diego, and
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fix missing period (not latest revision of patch
was wrongly committed).
Originally committed as revision 13113 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-05-11 10:07:11 +00:00
Vladimir Voroshilov
a52000f291
various filters for ACELP-based codecs
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Originally committed as revision 13110 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-05-11 03:42:53 +00:00
