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

This triggers lAPrev (e_a[0]) on the first SBR frame to be -1. The spec is
somewhat ambiguous to what this value should be but this increases the accuracy
of al_sbr_e_44_1 and similar streams from 14 bits to 15 bits.

Originally committed as revision 22408 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 22387 to svn://svn.ffmpeg.org/ffmpeg/trunk

The two conditions are equivalent.

Originally committed as revision 22386 to svn://svn.ffmpeg.org/ffmpeg/trunk

and some duplicate local variables.

Originally committed as revision 22384 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 22383 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 22382 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 22381 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 22380 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 22376 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 22375 to svn://svn.ffmpeg.org/ffmpeg/trunk

Patch by Georgi Chorbadzhiyski gf at unixsol dot org

Originally committed as revision 22374 to svn://svn.ffmpeg.org/ffmpeg/trunk

A large portion of this code was orignally authored by Robert Swain. The rest
was written by me. Full history is available at:
svn://svn.ffmpeg.org/soc/aac-sbr
http://github.com/aconverse/ffmpeg-heaac/tree/sbr_pub

Originally committed as revision 22316 to svn://svn.ffmpeg.org/ffmpeg/trunk