Now, nellymoserenc and aacenc no longer depends on dsputil. Independent
of this patch, wmaprodec also does not depend on dsputil, so I removed
it from there also.

Around 5% speedup on the code block using 'vector_fmul_add's.

Signed-off-by: Diego Biurrun <diego@biurrun.de>

Swapping buffer indices allows saving one memcpy that accounts for 1% of the
runtime, according to oprofile.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>

Save the old output configuration (if it has been used
successfully) when trying a new configuration. If the new configuration
fails to decode, restore the last successful configuration.

There have been multiple bugs caused by inconsistencies here.

Based on an idea from Michael Niedermayer.

CC: libav-stable@libav.org

This makes sure the reset flag gets set when SBR gets turned back on
and sets control variables for unguided mode back to their defaults.

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org

This reverts commit ba36f14e5d. It
broke decoding on x86-32 on some systems.

Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>

Signed-off-by: Alex Converse <alex.converse@gmail.com>

Signed-off-by: Mans Rullgard <mans@mansr.com>

This prepares for assembly optimisations by moving the most
time-consuming loops to functions called through pointers
in a new context.

Signed-off-by: Mans Rullgard <mans@mansr.com>

Fixes Libav Bug 195.

This doesn't make the code handle sample rate or upsample/downsample
change properly but this is still a good sanity check.

Based on change by Michael Niedermayer.

Signed-off-by: Alex Converse <alex.converse@gmail.com>

decoders.

Based on patches by clsid2 in ffdshow-tryout.

Signed-off-by: Anton Khirnov <anton@khirnov.net>

This removes the rather pointless wrappers (one not even inline)
for calling the fft_calc and related function pointers.

Signed-off-by: Mans Rullgard <mans@mansr.com>

Signed-off-by: Mans Rullgard <mans@mansr.com>

It has been unused since 9d06d7bce3

Signed-off-by: Mans Rullgard <mans@mansr.com>

Originally committed as revision 24227 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 23720 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 23671 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 23660 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 23647 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 23520 to svn://svn.ffmpeg.org/ffmpeg/trunk

Based on Han-Wen Hsu, et al. "Fast Complex Quadrature Mirror Filterbanks for
MPEG-4 HE-AAC"

Originally committed as revision 23519 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 23517 to svn://svn.ffmpeg.org/ffmpeg/trunk

This is based on a procedure to implement the filterbank on the DCT-IV described in
Hsu, H.W. et al. "A Complex Quadrature Mirror Filterbanks for MPEG-4 HE-AAC"
http://sites.google.com/site/wenchiehlee1020/Papers/ComplexFB_AES_121paper144.pdf

Originally committed as revision 23516 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 23488 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 23014 to svn://svn.ffmpeg.org/ffmpeg/trunk

Thanks to Chromium.

Originally committed as revision 23000 to svn://svn.ffmpeg.org/ffmpeg/trunk

Thanks to Chromium.

Originally committed as revision 22999 to svn://svn.ffmpeg.org/ffmpeg/trunk

6 patches means there can be 7 borders. Found by Chromium.

Originally committed as revision 22998 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 22996 to svn://svn.ffmpeg.org/ffmpeg/trunk

This includes merging ff_sbr_dequant into ff_sbr_apply.

Originally committed as revision 22995 to svn://svn.ffmpeg.org/ffmpeg/trunk

Passing an explicit filename to this command is only necessary if the
documentation in the @file block refers to a file different from the
one the block resides in.

Originally committed as revision 22921 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 22820 to svn://svn.ffmpeg.org/ffmpeg/trunk

signaled to be absent.

Originally committed as revision 22819 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 22516 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 22515 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 22413 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 22412 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 22411 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 22410 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 22409 to svn://svn.ffmpeg.org/ffmpeg/trunk