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70 Commits

Author SHA1 Message Date
Alex Converse
73c2704608 Print an error and skip PS when PS is found but explicitly found but 
signaled to be absent.

Originally committed as revision 22819 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-04-08 06:27:35 +00:00
Alex Converse
b3e5931d18 aacsbr: DSPUtilize analysis input scaling. 
Originally committed as revision 22516 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-03-13 21:12:45 +00:00
Alex Converse
f8a93a2036 aac: Don't bias output during the IMDCT if SBR will be used. 
Originally committed as revision 22515 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-03-13 21:12:10 +00:00
Alex Converse
6ebc724060 aacsbr: Check that bs_num_env is valid before writing arrays with it as an offset. 
Originally committed as revision 22413 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-03-09 21:50:10 +00:00
Alex Converse
134b8cbb9a aacsbr: Cleanup read_sbr_grid and copy_sbr_grid after the recent overhaul of those functions. 
Originally committed as revision 22412 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-03-09 21:46:46 +00:00
Alex Converse
f7e7888b2a aacsbr: Factor out the common end border case from t_q setup. 
Originally committed as revision 22411 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-03-09 21:35:55 +00:00
Alex Converse
ac8d655a79 aacsbr: read bs_rel_bord directly into t_env. 
Originally committed as revision 22410 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-03-09 21:29:43 +00:00
Alex Converse
ecc1f8c3c8 aacsbr: Make the previous value of bs_num_env local to read_sbr_data(). 
Originally committed as revision 22409 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-03-09 20:46:41 +00:00
Alex Converse
46751a65e3 aacsbr: Initialize e_a[1] to -1. 
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
 2010-03-09 20:16:14 +00:00
Alex Converse
5889172087 aacsbr: Dead code removal. 
Originally committed as revision 22387 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-03-09 11:14:14 +00:00
Alex Converse
afd96c345f aacsbr: Remove a slightly incorrect comment. 
The two conditions are equivalent.

Originally committed as revision 22386 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-03-09 11:13:45 +00:00
Alex Converse
7935078623 aacsbr: Cleanup the newly merged read_sbr_grid, eliminating several context 
and some duplicate local variables.

Originally committed as revision 22384 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-03-09 10:27:35 +00:00
Alex Converse
7333f849b1 aacsbr: Move the e_a calculation from sbr_mapping() to read_sbr_grid(). 
Originally committed as revision 22383 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-03-09 10:26:54 +00:00
Alex Converse
b9c3e3b6e7 aacsbr: Merge sbr_time_freq_grid into read_sbr_grid (and into copy_sbr_grid). 
Originally committed as revision 22382 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-03-09 10:26:25 +00:00
Alex Converse
ed1d112931 aacsbr: Fail early on illegal envelope counts. 
Originally committed as revision 22381 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-03-09 10:25:42 +00:00
Alex Converse
8a9ee4b102 aacsbr: Check for illegal values of bs_pointer in sbr_read_grid(). 
Originally committed as revision 22380 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-03-09 09:27:11 +00:00
Alex Converse
bf3d904c3d 10l: Include missing return values in functions made non-void by the previous commit. 
Originally committed as revision 22376 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-03-09 06:21:41 +00:00
Alex Converse
58b1cba0c9 aacsbr: Propagate errors from read_sbr_grid to prevent crashes in malformatted streams. 
Originally committed as revision 22375 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-03-09 06:13:48 +00:00
Georgi Chorbadzhiyski
e0be763052 Add a missing fft.h include to the aacsbr decoder. 
Patch by Georgi Chorbadzhiyski gf at unixsol dot org

Originally committed as revision 22374 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-03-09 06:11:45 +00:00
Alex Converse
ed492b61db Add an HE-AAC v1 decoder. 
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
 2010-03-08 04:33:02 +00:00