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>

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Fixes CID603186
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Fixes CID732250
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Based-on commit by Måns Rullgård <mans@mansr.com>

original:   1424 decicycles in phi, 1024 runs, 0 skips
mans code:  1104 decicycles in phi, 1024 runs, 0 skips
this change: 734 decicycles in phi, 1024 runs, 0 skips

mans code:   1 file changed, 20 insertions(+), 10 deletions(-)
this change: 1 file changed, 10 insertions(+), 6 deletions(-)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

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.

Some files contain a few additional, all-0 bits.
Check for that case and don't print incorrect "not supported"
message.
Fixes trac issue #836.

Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>

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>

Fixes Ticket760 and Ticket761
Bug Found by: Diana Elena Muscalu

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

occurd during debug. I dont know if this can happen normally but if so
it would be quite bad.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

decoders.

Based on patches by clsid2 in ffdshow-tryout.

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

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

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>
(cherry picked from commit 916dee9f45)

It has been unused since 9d06d7bce3

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

(cherry picked from commit 9d06d7bce3)

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