Alex Converse
b3e5931d18
aacsbr: DSPUtilize analysis input scaling.
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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.
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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.
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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.
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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.
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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.
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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().
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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.
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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.
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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.
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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
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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().
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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).
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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.
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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().
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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.
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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.
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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.
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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.
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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
