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68 Commits

Author SHA1 Message Date
Måns Rullgård
1429224b04 Move FFT parts from dsputil.h to fft.h 
Originally committed as revision 22235 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-03-06 14:34:46 +00:00
Måns Rullgård
84dc2d8afa Remove DECLARE_ALIGNED_{8,16} macros 
These macros are redundant.  All uses are replaced with the generic
DECLARE_ALIGNED macro instead.

Originally committed as revision 22233 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-03-06 14:24:59 +00:00
Laurent Aimar
4e06acbde4 Fixed a segfault in the DCA decoder with corrupted streams. 
It happens when the number of channels defined by DCAContext:acmod is lower
than DCAContext:prim_channels. In this case, dca_subsubframe() will call
qmf_32_subbands() using s->channel_order_tab[] entries equal to -1.

Originally committed as revision 22083 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-02-26 18:50:01 +00:00
Måns Rullgård
c67278098d Move array specifiers outside DECLARE_ALIGNED() invocations 
Originally committed as revision 21377 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-01-22 03:25:11 +00:00
Michael Niedermayer
d49dded591 Remove unused variable j. 
Originally committed as revision 20398 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-10-28 14:40:05 +00:00
Michael Niedermayer
4f99c31c39 Split synth filter out of dca.c. 
Originally committed as revision 20396 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-10-28 10:51:51 +00:00
Reimar Döffinger
268fcbe2c8 Fix 100l incorrect bitmask check. 
Originally committed as revision 20197 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-10-10 08:49:57 +00:00
David Conrad
144fec83b3 dca and aac decoders use float_to_int16_interleave, so check for 
the C version of that rather than float_to_int16.
Fixes output on ARM/VFP

Originally committed as revision 20192 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-10-08 14:40:14 +00:00
Måns Rullgård
01b2214758 Merge FFTContext and MDCTContext 
Originally committed as revision 19931 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-20 17:30:20 +00:00
Måns Rullgård
6d9d289e76 DCA: move an aligned array from stack to context 
Originally committed as revision 19805 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-10 08:49:59 +00:00
Siarhei Siamashka
7d485f165f Support for getting (i)MDCT output multiplied by a constant scaling factor. 
Scaling (i)MDCT output has no runtime overhead and can be used to improve
performance of audio codecs. All the changes are only needed in
'ff_mdct_init' function and slow down initialization a bit.

Originally committed as revision 18855 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-05-16 14:17:08 +00:00
Kostya Shishkov
0cfa85dd9f Make VLC tables in DCA decoder use INIT_VLC_USE_NEW_STATIC 
Originally committed as revision 18643 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-04-21 17:37:03 +00:00
Stefano Sabatini
9106a698e7 Rename bitstream.h to get_bits.h. 
Originally committed as revision 18494 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-04-13 16:20:26 +00:00
Stefano Sabatini
b275500706 Split bitstream.h, put the bitstream writer stuff in the new file 
put_bits.h.

Originally committed as revision 18461 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-04-12 08:35:26 +00:00
Carl Eugen Hoyos
e161e007be Use INIT_VLC_USE_STATIC and not its value "1". 
Originally committed as revision 18430 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-04-11 11:47:15 +00:00
Thilo Borgmann
7a00bbad21 Implement avcodec_decode_video2(), _audio3() and _subtitle2() which takes an 
AVPacket argument rather than a const uint8_t *buf + int buf_size. This allows
passing of packet-specific flags from demuxer to decoder, such as the keyframe
flag, which appears necessary to playback corePNG P-frames.

Patch by Thilo Borgmann thilo.borgmann googlemail com, see also the thread
"Google Summer of Code participation" on the mailinglist.

Originally committed as revision 18351 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-04-07 15:59:50 +00:00
Diego Biurrun
bad5537e2c Use full internal pathname in doxygen @file directives. 
Otherwise doxygen complains about ambiguous filenames when files exist
under the same name in different subdirectories.

Originally committed as revision 16912 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-02-01 02:00:19 +00:00
Kostya Shishkov
d041a59897 Add support for parsing and decoding DCA-HD streams. 
Originally committed as revision 15951 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-11-29 10:06:37 +00:00
Benjamin Larsson
92765276fb Proper channel output reordering for the dca decoder. 
Originally committed as revision 15832 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-11-15 20:31:03 +00:00
Benjamin Larsson
e22192ecc3 Comment typo 
Originally committed as revision 15801 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-11-11 08:46:29 +00:00
Benjamin Larsson
cd027b511e Remove channel layout table that only should be used by encoders. 
Originally committed as revision 15800 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-11-11 08:30:32 +00:00
Benjamin Larsson
c6eaba62e8 Change the dca channel layout, S -> SIDE not BACK. 
Originally committed as revision 15769 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-11-02 21:51:27 +00:00
Andreas Öman
9d9b9d32e6 Change multichannel API define prefix from "CHANNEL_" to "CH_". 
Originally committed as revision 15768 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-11-02 21:04:28 +00:00
Benjamin Larsson
48dc2fb800 Guess channel layout based on the number of channels if a custom layout is specified in amode. 
Originally committed as revision 15766 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-11-01 20:49:37 +00:00
Benjamin Larsson
87c3b9bce3 Add channel layouts for dca. 
Originally committed as revision 15765 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-11-01 20:27:05 +00:00
Benjamin Larsson
d5b3a86393 Fix compilation, remove stray ; 
Originally committed as revision 15735 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-10-28 15:20:52 +00:00
Benjamin Larsson
9ed73b4870 Fix selection of quant step table 
Originally committed as revision 15734 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-10-28 14:50:46 +00:00
Benjamin Larsson
ba5fc967f6 Disable codec downmix when not using simd instead of silently produce silence 
Originally committed as revision 15715 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-10-26 10:14:16 +00:00
Benjamin Larsson
1402ee721a Fix dca decoder with non simd float2int16 conversion 
Originally committed as revision 15714 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-10-26 09:54:53 +00:00
Benjamin Larsson
49c91c34b3 Fix compilation with TRACE 
Originally committed as revision 15713 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-10-26 09:50:15 +00:00
Michael Niedermayer
1d8370aad9 Remove the cos_mod table that has become unused after replacing the imdct 
by ff_imdct_half().

Originally committed as revision 15050 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-08-30 11:01:58 +00:00
Michael Niedermayer
89df5e95bb Replace obfuscated mdct in qmf_32_subbands() by ff_imdct_half(). 
Originally committed as revision 15049 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-08-30 10:47:13 +00:00
Michael Niedermayer
47f0e05295 Get rid of the 512 sample memmove(). 
Originally committed as revision 15048 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-08-30 10:41:53 +00:00
Michael Niedermayer
b854197919 Half the size of subband_fir_noidea and get rid of memmove & memset of it. 
Originally committed as revision 15033 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-08-29 18:37:40 +00:00
Michael Niedermayer
ef8676276d Move t1 and t2 declaration from the QMF code closer to where they are used. 
Originally committed as revision 15024 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-08-29 14:53:07 +00:00
Michael Niedermayer
addafb0e0a Simplify (drop useless intermediate sum and diff arrays). 
Originally committed as revision 15023 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-08-29 14:44:47 +00:00
Andreas Öman
c55ecb9c27 5,1l: samples_chanptr[] should be (const float *) 
Originally committed as revision 15022 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-08-29 10:14:01 +00:00
Andreas Öman
a7bc9d1b71 dca: Set data_size outside block loop. 
Originally committed as revision 15021 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-08-29 10:12:44 +00:00
Andreas Öman
8ed96a5eba dca: Do float -> int16 interleaving in-place using s->dsp.float_to_int16_interleave() 
Originally committed as revision 15020 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-08-29 10:09:51 +00:00
Alexander E. Patrakov
cc09e77e2a Correct scaling factor in DCA decoder synthesis. 
Patch by Alexander Patrakov ($lastname at gmail.com)
Thread: dca.c: output scale is a bit off

Originally committed as revision 14937 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-08-24 05:47:45 +00:00
Michael Niedermayer
56523713e5 Remove redundant FFMIN(). 
Originally committed as revision 14918 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-08-23 13:35:12 +00:00
Alexander E. Patrakov
4df7beb368 Increase buffer size to 16384 patch by Alexander E. Patrakov" patrakov gmail 
This fixes a (probably not exploitable) buffer overflow (apparently unknown to its author).

Originally committed as revision 14917 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-08-23 13:29:13 +00:00
Peter Ross
fd76c37fd9 Modify all codecs to report their supported input and output sample format(s). 
Originally committed as revision 14482 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-07-31 10:47:31 +00:00
Stefano Sabatini
fe4bf37455 Make AVCodec long_names definition conditional depending on CONFIG_SMALL. 
Originally committed as revision 13759 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-06-12 21:50:13 +00:00
Stefano Sabatini
d5202e4fda Add long names to many AVCodec declarations. 
patch by Stefano Sabatini, stefano.sabatini-lala poste it

Originally committed as revision 13005 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-04-27 10:52:44 +00:00
Benjamin Larsson
4a24837e07 Only set channels in the stream if previously unset, fixes resampling crash on broken dca frames 
Originally committed as revision 12780 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-04-10 06:15:17 +00:00
Zuxy Meng
98a6fff98c Apply 'cold' attribute to init/uninit functions in libavcodec 
Originally committed as revision 12525 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-03-21 03:11:20 +00:00
Benjamin Larsson
ebf71dbda5 Don't use unchecked data from the bitstream. 
Originally committed as revision 12351 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-03-06 14:22:02 +00:00
Diego Biurrun
5e53486545 typo fix: inited --> initialized 
Originally committed as revision 11920 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-02-13 09:26:10 +00:00
Michael Niedermayer
a9f8715854 Fix const qualifer issues found by -Wcast-qual. 
Originally committed as revision 11703 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-02-01 01:40:46 +00:00