Vitor Sessak
c8e0861e49
Use the same 8 bit -> 16 bit conversion as QuickTime.
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Originally committed as revision 15245 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-09-07 09:46:55 +00:00
Vitor Sessak
4ea70242a8
Do not share context variables between channels and do not zero them at
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decode_frame(). This makes the output much closer to that of the binary decoder.
Originally committed as revision 15244 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-09-07 09:42:57 +00:00
Vitor Sessak
b6d544f54e
Remove output pointer from context
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Originally committed as revision 15243 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-09-07 09:38:37 +00:00
Vitor Sessak
4fdb41a84b
Test a var for overflow just after it is set
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Originally committed as revision 15223 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-09-06 11:46:29 +00:00
Vitor Sessak
a90fbeec2a
Remove useless parentheses.
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Originally committed as revision 15222 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-09-06 11:45:10 +00:00
Vitor Sessak
e10049bef5
Cosmetics: indent after last commit and remove useless braces
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Originally committed as revision 15214 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-09-05 00:01:23 +00:00
Vitor Sessak
1b0dc0120d
Simplify: use a for instead of unrolling by hand
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Originally committed as revision 15213 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-09-05 00:00:20 +00:00
Vitor Sessak
fb17d9ff54
Functions mace{3,6}_decode_frame() are just wrappers to Exp1to{3,6}(). This commit
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moves the code of Exp1to* to the decode functions.
Originally committed as revision 15212 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-09-04 23:54:57 +00:00
Vitor Sessak
78df225866
Simplify: use two distinct functions to decode MACE3 and MACE6, since the
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previous mace_decode_init() function was almost just a switch statement.
Originally committed as revision 15208 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-09-04 23:18:28 +00:00
Vitor Sessak
b97c413832
Simplify mace_decode_frame()
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Originally committed as revision 15207 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-09-04 23:12:20 +00:00
Vitor Sessak
647148c638
Remove useless comments
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Originally committed as revision 15205 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-09-04 23:02:08 +00:00
Vitor Sessak
251d75f292
Reindent mace.c, its indentation was completly inconsistent with the coding rules.
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Originally committed as revision 15204 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-09-04 23:00:34 +00:00
Vitor Sessak
82ab49dc41
Cosmetics: s/LPC_type/LPC_TYPE/
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Originally committed as revision 15202 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-09-04 22:17:27 +00:00
Vitor Sessak
1775c7fac6
Multiply table by -1. This avoid doing this calculation (that was introduced
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in my last commit) in real time.
Originally committed as revision 15195 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-09-04 15:04:08 +00:00
Vitor Sessak
1be0fc2909
Avoid duplicating compute_lpc_coefs() function in both the RA288 and AAC decoders.
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Originally committed as revision 15193 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-09-04 11:03:14 +00:00
Vitor Sessak
f6a1ca1dad
Misc cosmetics in compute_lpc_coefs(): braces removal and empty lines
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Originally committed as revision 15093 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-31 02:39:55 +00:00
Vitor Sessak
fc324cd523
Remove useless var in compute_lpc_coefs()
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Originally committed as revision 15091 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-31 02:37:04 +00:00
Vitor Sessak
5d2dd90848
Merge declaration and initialization of a few vars in compute_lpc_coefs()
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Originally committed as revision 15088 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-31 02:31:05 +00:00
Vitor Sessak
f991d423d2
Remove useless zeroing of a buffer
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Originally committed as revision 15038 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-29 21:12:30 +00:00
Vitor Sessak
9b0d3e0e03
Import more MXF muxer code from the SoC tree
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Originally committed as revision 14968 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-25 20:28:12 +00:00
Vitor Sessak
6986662b5f
Import more ok'ed chunks of the mxf muxer from the soc tree
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Originally committed as revision 14938 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-24 05:55:46 +00:00
Vitor Sessak
9b9466b0cd
Apply parts of MXF muxer ok'ed by Michael
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Originally committed as revision 14903 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-22 04:12:52 +00:00
Vitor Sessak
b888abe1be
Cosmetics: rename loop counters in eval_refl()
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Originally committed as revision 14653 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-06 21:19:30 +00:00
Vitor Sessak
bdb34c9f5e
Simplify eval_refl(): do not store a buffer value in a var when the buffer could be used directly
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Originally committed as revision 14652 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-06 21:16:24 +00:00
Vitor Sessak
aa425ada54
Simplify eval_refl(): s/b == 0/!b/
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Originally committed as revision 14651 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-06 21:04:40 +00:00
Vitor Sessak
40812fdcf1
Simplify range checking in eval_refl(). Before the
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condition b == 0 could never be true, because it would
have already been caught in the previous ifs. Also the
condition b == 0x1000 could never be true (it would
triggered the return).
Originally committed as revision 14650 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-06 21:02:56 +00:00
Vitor Sessak
d70875c81d
Cosmetics: reindent
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Originally committed as revision 14649 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-06 20:39:28 +00:00
Vitor Sessak
7e05617a5c
Simplify do_output_subblock(): Remove a unneeded memcpy
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Originally committed as revision 14648 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-06 20:38:23 +00:00
Vitor Sessak
c0f0b34bba
Simplify eval_refl(): return directly when needed instead of storing the return value in a variable
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Originally committed as revision 14640 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-06 05:24:21 +00:00
Vitor Sessak
2f1cad0e58
Simplify rms(): merge a few operations in the same statement
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Originally committed as revision 14639 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-06 05:11:46 +00:00
Vitor Sessak
b4d46e8c06
Cosmetical simplification in t_sqrt()
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Originally committed as revision 14638 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-06 05:08:48 +00:00
Vitor Sessak
438abdaaeb
Check available size before writing in decode_frame()
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Originally committed as revision 14637 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-06 05:06:10 +00:00
Vitor Sessak
8089c652a7
Check *data_size in decode_frame()
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Originally committed as revision 14636 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-06 03:00:15 +00:00
Vitor Sessak
5991704634
Cosmetics: alignment
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Originally committed as revision 14635 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-06 02:49:22 +00:00
Vitor Sessak
e3751aa6ec
Flip (by making buf[i] -> buf[size-i-1]) two buffers: {sp,gain}_block. This
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needs duplicating a few loops, but now the code is clearer.
Originally committed as revision 14634 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-06 02:44:59 +00:00
Vitor Sessak
6888b4fcec
Rename prodsum() function to convolve()
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Originally committed as revision 14615 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-05 04:52:33 +00:00
Vitor Sessak
4ca7e74c1f
Do not declare a counter as unsigned when it is not needed
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Originally committed as revision 14469 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-29 18:22:31 +00:00
Vitor Sessak
4e33ed368a
Cosmetics: rename loop counter vars to i,j
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Originally committed as revision 14468 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-29 18:20:49 +00:00
Vitor Sessak
6c9c8b06b3
Cosmetics: rename loop counter vars to i,j
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Originally committed as revision 14467 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-29 18:07:11 +00:00
Vitor Sessak
045e21cc19
Cosmetics: new line
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Originally committed as revision 14457 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-28 10:49:44 +00:00
Vitor Sessak
e7e4f476c0
Remove the now useless phase variable from context
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Originally committed as revision 14456 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-28 10:49:14 +00:00
Vitor Sessak
c749f3db98
Cosmetics: make comment match var name
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Originally committed as revision 14454 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-28 05:18:39 +00:00
Vitor Sessak
6509507fad
Cosmetics: align comments
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Originally committed as revision 14453 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-28 05:16:51 +00:00
Vitor Sessak
f285e6dd31
Rename two context vars: s/sb/sp_block/, s/lhist/gain_block/
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Originally committed as revision 14452 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-28 04:53:05 +00:00
Vitor Sessak
36826ee0df
Declare temporary buffers to be only of the necessary size
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Originally committed as revision 14451 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-28 04:37:58 +00:00
Vitor Sessak
5e707c5905
Remove redundant comments
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Originally committed as revision 14450 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-28 04:25:51 +00:00
Vitor Sessak
c6ad13044a
Cosmetics: do not align with now removed next instruction
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Originally committed as revision 14449 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-28 04:24:08 +00:00
Vitor Sessak
2c46367163
Cosmetics: remove braces and useless newline
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Originally committed as revision 14448 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-28 04:07:18 +00:00
Vitor Sessak
2b356efec2
Change the way the input is passed to do_hybrid_filter(). Before, in[0] was
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the oldest input sample passed and in[n-1] was the latest. Now it is the
contrary. This allows making backward_filter() somewhat simpler.
Originally committed as revision 14447 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-28 02:55:47 +00:00
Vitor Sessak
aed39f6c02
Remove RA288Context.output buffer. This buffer is just RA288Context.sb
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backwards (output[i] == sb[N-i], where N is the buffer length).
This makes the code slower, this will be fixed in my next commit.
Originally committed as revision 14446 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-28 02:53:07 +00:00
Vitor Sessak
b26d320583
Add a few comments pointing to the G.728 specification
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Originally committed as revision 14444 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-27 22:22:51 +00:00
Vitor Sessak
854ce441c3
Remove the history buffer from the context. It can easily be evaluated
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from the lhist buffer.
Originally committed as revision 14443 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-27 22:21:41 +00:00
Vitor Sessak
0143ec2a7e
Rename two context buffers: pr{1,2} -> {sp,gain}_lpc. Also add a few doxy
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comments.
Originally committed as revision 14437 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-27 20:58:29 +00:00
Vitor Sessak
59da0390dc
Remove st1 and st2 temporary buffers in backward_filter() and use instead
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RA288Context.pr{1,2}. Note that the pr{1,2} buffers are one unity smaller
than the st{1,2} buffers. My guess is that the original coder decided to
add one to the array sizes "just to be sure".
Originally committed as revision 14435 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-27 20:55:27 +00:00
Vitor Sessak
3df136d438
Change slightly the meaning of RA288Context.phase. This
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allows to remove two intermediary buffers and avoid a few
memcpy's.
Originally committed as revision 14432 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-27 20:35:32 +00:00
Vitor Sessak
f42eb5715d
Remove st1 and st2 variables from context, since they could be just local vars
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Originally committed as revision 14421 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-26 15:14:50 +00:00
Vitor Sessak
272d258ab9
Rename st{1,2}{a,b} context variables to more meaningful names: {sp,gain}_{rec,hist}
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Originally committed as revision 14420 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-26 15:10:17 +00:00
Vitor Sessak
efa86ebe4c
Cosmetics: remove useless parenthesis
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Originally committed as revision 14418 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-26 14:38:29 +00:00
Vitor Sessak
e07c5ade5e
Move colmult() function to the beginning of file to group DSP-related functions.
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Originally committed as revision 14417 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-26 14:35:50 +00:00
Vitor Sessak
5af20c207e
Remove an useless comment describing colmult()
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Originally committed as revision 14416 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-26 14:33:53 +00:00
Vitor Sessak
d899014ee2
Remove an useless comment describing prodsum()
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Originally committed as revision 14415 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-26 14:33:25 +00:00
Vitor Sessak
952a980d75
Give the context variables of ra288 a better name: s/glob/ractx/
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Originally committed as revision 14414 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-26 14:31:47 +00:00
Vitor Sessak
029e1c01b5
Give the context structure of ra288 a better name: s/Real288_internal/RA288Context/
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Originally committed as revision 14413 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-26 14:29:39 +00:00
Vitor Sessak
a53b545068
Cosmetics: grammar nits
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Originally committed as revision 14368 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-24 11:55:01 +00:00
Vitor Sessak
2477d60944
Rename update() function to backward_filter() and add a doxy comment
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Originally committed as revision 14364 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-24 04:29:23 +00:00
Vitor Sessak
a6755f8d53
Rename and comment bandwidth broadening tables
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(s/table1a/syn_bw_tab/, s/table2a/gain_bw_tab/).
Originally committed as revision 14363 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-24 04:15:50 +00:00
Vitor Sessak
5e65f5df0e
Follow FFmpeg convention of returning negative values on error in eval_lpc_coeffs()
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Originally committed as revision 14362 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-24 04:07:50 +00:00
Vitor Sessak
a3896c6377
Rename pred() to eval_lpc_coeffs() and add a doxy comment
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Originally committed as revision 14361 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-24 04:05:41 +00:00
Vitor Sessak
a0cce1587b
Give windowing tables a more descriptive name
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(s/table1/syn_window/, s/table2/gain_window/).
Originally committed as revision 14360 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-24 03:50:06 +00:00
Vitor Sessak
475d0e1464
Add comments to do_hybrid_window()
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Originally committed as revision 14359 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-24 03:28:42 +00:00
Vitor Sessak
0f72a2b7d3
Give parameters of do_hybrid_window() more meaningful names
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Originally committed as revision 14358 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-24 03:28:01 +00:00
Vitor Sessak
427981c7a6
Rename co() function to the much more descriptive name of
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do_hybrid_window(). Also change a misleading and wrong comment.
Originally committed as revision 14357 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-24 03:23:51 +00:00
Vitor Sessak
5ab3d66fe5
Simplify co(): write constant in a more readable way
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Originally committed as revision 14356 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-24 03:22:19 +00:00
Vitor Sessak
bf75ac57b8
Simplify co(), use memcpy/memmove and colmult() when useful.
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Originally committed as revision 14355 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-24 03:19:52 +00:00
Vitor Sessak
144b46f21b
My commit at r14340 was not the right solution. For a monochromatic
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frame, there will be only one centroid and it will be impossible to
find three distinct ones. It is better to just avoid shifting if
there are not three different centroids.
Originally committed as revision 14343 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-23 05:54:34 +00:00
Vitor Sessak
6de727244c
Do declaration and initialization separately in elbg.c
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to workaround an ICC bug.
Originally committed as revision 14342 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-23 03:56:13 +00:00
Vitor Sessak
6bf8b04764
When picking a "high utility centroid" do not pick one
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that has no corresponding points. Not only it is the
worst possible pick, but also the code was written
without this case in mind.
Originally committed as revision 14341 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-23 03:55:37 +00:00
Vitor Sessak
5916af1954
The codebook generator algorithm involves picking three
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different codebook centroids ("high utility", "low
utility" and "closest to the low utility one"). This
change avoid the corner case of choosing two times the
same centroid.
Originally committed as revision 14340 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-23 03:54:31 +00:00
Vitor Sessak
9f59e608d2
Cosmetics: alignment
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Originally committed as revision 14304 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-19 15:43:34 +00:00
Vitor Sessak
3c617380e7
Simplify co(): do not abuse pointer aritmetics
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Originally committed as revision 14303 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-19 15:41:15 +00:00
Vitor Sessak
6bc5714be6
Simplify co(): remove variables that are only used once
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Originally committed as revision 14301 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-19 15:32:29 +00:00
Vitor Sessak
34e0d78936
Set avctx->coded_frame in RoQ encoder. At some point in
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the SVN history this became mandated. Fix issue 548.
Originally committed as revision 14287 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-19 02:43:23 +00:00
Vitor Sessak
96e8987e5b
Simplify: do not overuse pointer aritmetic
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Originally committed as revision 14271 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-17 23:48:53 +00:00
Vitor Sessak
c52d2da905
Declare parameters of pred() that could be const as such
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Originally committed as revision 14270 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-17 23:02:52 +00:00
Vitor Sessak
efa85e5e45
Another simplification
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Originally committed as revision 14269 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-17 23:01:31 +00:00
Vitor Sessak
4a51e06bfc
Simplify
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Originally committed as revision 14268 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-17 22:59:53 +00:00
Vitor Sessak
02a1eb9329
Simplify
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Originally committed as revision 14267 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-17 22:42:21 +00:00
Vitor Sessak
e4265007a6
Declare function parameters as const
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Originally committed as revision 14266 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-17 22:39:29 +00:00
Vitor Sessak
0e3510a31f
Revert r14218. FFMAX is a macro, so
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sum = FFMAX(1, scalar_product(...));
might calculate the scalar product twice, which is slower.
Originally committed as revision 14230 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-14 14:41:01 +00:00
Vitor Sessak
b903a9285e
Simplify
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Originally committed as revision 14218 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-13 20:41:09 +00:00
Vitor Sessak
3819081f75
Another av_clipf() usage
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Originally committed as revision 14217 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-13 20:39:55 +00:00
Vitor Sessak
aa64ee30d1
Do not declare as double a var that only stores a float
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Originally committed as revision 14216 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-13 20:38:42 +00:00
Vitor Sessak
1894db1487
Simplify: use FFMAX
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Originally committed as revision 14215 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-13 20:36:32 +00:00
Vitor Sessak
4138ad961c
Add av_clipf() function to common.h and use it in ra288.c
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Originally committed as revision 14213 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-13 19:59:44 +00:00
Vitor Sessak
5be30c59da
Simplify: glob->phase is always == 3
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Originally committed as revision 14094 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-06 14:23:30 +00:00
Vitor Sessak
f27f0fc374
Cosmetics: reindent tables
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Originally committed as revision 14093 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-06 14:16:21 +00:00
Vitor Sessak
f803495415
Remove phasep context var, it is just phase*5
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Originally committed as revision 14092 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-06 12:03:21 +00:00
Vitor Sessak
eb73742d6e
Slighly faster operation
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Originally committed as revision 14091 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-06 12:01:59 +00:00
Vitor Sessak
0bbab5671d
Typo in a comment: s/two avoid/to avoid/
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Originally committed as revision 14090 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-06 10:49:28 +00:00
Vitor Sessak
8edfd15175
Cosmetics: remove braces
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Originally committed as revision 14089 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-06 10:35:01 +00:00