Commit Graph

14 Commits

Author SHA1 Message Date
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