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
15 years ago
Alex Converse
5889172087
aacsbr: Dead code removal.
...
Originally committed as revision 22387 to svn://svn.ffmpeg.org/ffmpeg/trunk
15 years ago
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
15 years ago
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
15 years ago
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
15 years ago
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
15 years ago
Alex Converse
ed1d112931
aacsbr: Fail early on illegal envelope counts.
...
Originally committed as revision 22381 to svn://svn.ffmpeg.org/ffmpeg/trunk
15 years ago
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
15 years ago
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
15 years ago
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
15 years ago
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
15 years ago
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
15 years ago