2912e87a6c
Replace FFmpeg with Libav in licence headers
Signed-off-by: Mans Rullgard <mans@mansr.com>
14 years ago
48ac225db2
Move lsp2lpc_sipr() function to common code so it can be reused in a
AMRWB decoder.
Patch by Marcelo Galvăo Póvoa.
Originally committed as revision 25062 to svn://svn.ffmpeg.org/ffmpeg/trunk
15 years ago
1d96cc0865
Move AMRNB lsf2lsp() function to common code for using in future AMRWB decoder.
Patch by Marcelo Galvăo Póvoa
Originally committed as revision 25061 to svn://svn.ffmpeg.org/ffmpeg/trunk
15 years ago
164d166e85
lsp: convert variable-length arrays to fixed size
Max LP order is defined to be 16, fixed-size buffers are OK.
Originally committed as revision 23795 to svn://svn.ffmpeg.org/ffmpeg/trunk
15 years ago
691a4232ee
Make lsp2polyf() function non-static for upcoming usage in SIPR
Originally committed as revision 20602 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
419b2be813
Make sorting function used in TwinVQ a shared function
Originally committed as revision 20584 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
f2b7ce8ae6
Use doubles in ff_set_min_dist_lsf(). After this patch, AMR can use this
function with no change in output.
Originally committed as revision 20511 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
00fa73f052
Avoid variable-length array use in ff_acelp_lspd2lpc()
Originally committed as revision 20496 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
e26d131845
Do not hardcode filter order in ff_acelp_lspd2lpc()
Originally committed as revision 20485 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
504eee37de
Commit some functions that are used by both SIPR and AMR.
Based on AMR SoC code by Robert Swain and Colin McQuillan.
Originally committed as revision 20392 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
33ae681f5c
Expose QCELP's floating-point LSP-to-LPC function
qcelp_lsp exported a single function, ff_acelp_lspd2lpc, which was not
specific to qcelp. It can be kept with its fixed-point version
ff_acelp_lsp2lpc in lpc.c.
Patch by Colin McQuillan ( m.niloc googlemail com )
Originally committed as revision 19571 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
4deaa94639
Add shift argument to MULL() macro
This replaces use of FRAC_BITS in the MULL() definition with a third
argument specifying the shift amount. All uses of this macro are
updated to pass FRAC_BITS as third argument.
Originally committed as revision 15921 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
60c25a4beb
Rename acelp_math.[ch] to celp_math.[ch] to prepare for QCELP decoder merge.
patch by Kenan Gillet, kenan.gillet gmail com
Originally committed as revision 15679 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
51f2a119cb
(cosmetics) Remove incorrect comment.
Originally committed as revision 14980 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
7c96587c17
Fix compilation error.
It was introduced after changing input parameter and
overlooked during review process.
Originally committed as revision 13112 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
3f3865d30b
Replace hardcoded LP filter order with parameter.
This will allow to reuse the code in the SIPR decoder.
Originally committed as revision 13108 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
8726882993
Fixed-point LSP and LPC decoding routines for ACELP-based codecs
Originally committed as revision 12978 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Mans Rullgard
Marcelo Galvăo Póvoa
Vitor Sessak
Colin McQuillan
Kenan Gillet
Vladimir Voroshilov