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10108 Commits

Author SHA1 Message Date
Michael Niedermayer
9062cd3544 Check validity of channels & samplerate. 
This may be security relevant.
Based on 2 patches by chrome.

Originally committed as revision 19975 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-23 07:46:51 +00:00
Mike Melanson
428984b041 Another micro-optimization for unpack_vlcs(): Eliminate a possible 
branch and save around 45k-55k dezicycles per function run.

Originally committed as revision 19974 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-23 05:38:12 +00:00
Michael Niedermayer
4c0dda2b3f Check codec_id and codec_type in avcodec_open(), based on 43_codec_type_mismatch.patch from chrome 
This is said to be able to lead to a stack based buffer overflow.

Originally committed as revision 19973 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-22 22:44:56 +00:00
Måns Rullgård
275cfd1501 ARM: NEON optimised scalarproduct_float 
Originally committed as revision 19971 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-22 20:37:55 +00:00
Måns Rullgård
0cb7141282 AAC: 10l: fix PNS decoding 
Originally committed as revision 19970 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-22 19:31:01 +00:00
Benjamin Larsson
61dc238b45 Hook up the MD studio demuxer and Atrac1 decoder. 
Originally committed as revision 19969 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-22 17:28:03 +00:00
Benjamin Larsson
e704b012f2 Mention SDDS so search engines will pick it up for when someone 
needs to decode the SDDS tracks found on 35 mm movies.

Originally committed as revision 19968 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-22 17:05:19 +00:00
Benjamin Larsson
edd897b1b3 Use ff_sine_32 in atrac1. 
Originally committed as revision 19967 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-22 17:03:28 +00:00
Mike Melanson
138fe83215 Perform the DC prediction reversal immediately after decoding all of 
the DC coefficients. This has a greater probability of leveraging the
coefficients while they are still cached.

When testing with the Big Buck Bunny 1080p video, I consistently saw
improvements of 500k-600k dezicycles per run (through
reverse_dc_prediction()) thanks to this move.

Originally committed as revision 19966 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-22 15:58:08 +00:00
Alex Converse
5419da8d9c AAC: Simplify some logic from r19956. (The escape codebook is unsigned.) 
Originally committed as revision 19958 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-22 01:34:42 +00:00
Måns Rullgård
1dee3e97c6 ARM: NEON optimisations for some dsputil functions 
NEON versions of the following functions are added:

  vector_fmul_scalar
  vector_fmul_sv_scalar
  sv_fmul_scalar
  butterflies_float

Originally committed as revision 19957 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-22 00:48:48 +00:00
Måns Rullgård
42d3fbb3f4 AAC: use new dsputil functions 
Originally committed as revision 19956 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-22 00:48:45 +00:00
Måns Rullgård
53b572118e Add some dsputil functions useful for AAC decoder 
Originally committed as revision 19955 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-22 00:48:41 +00:00
Benjamin Larsson
9caab87829 Add forgotten cleanup function in atrac1. 
Originally committed as revision 19954 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-21 21:00:18 +00:00
Benjamin Larsson
78b3a12d9c Cosmetics, indentation. 
Originally committed as revision 19953 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-21 20:53:29 +00:00
Benjamin Larsson
a872e5c1f4 Cosmetics. Merge declaration and initialization. 
Originally committed as revision 19952 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-21 20:52:24 +00:00
Benjamin Larsson
b6a237025d Move the scale factor and word length indexes to the stack. 
Originally committed as revision 19951 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-21 20:49:08 +00:00
Reimar Döffinger
40e26453c4 Use a custom radix sort implementation instead of qsort in dnxhd encoder. 
This is mainly to avoid test failures due to implementation-defined
behaviour of qsort when elements are equal, giving different results
for each of FreeBSD, Linux/glibc and Solaris.
In addition it is about 35 % faster, effect on overall speed is minimal
though (< 2%).
Regression tests are unchanged (i.e. identical to Linux/glibc).

Originally committed as revision 19949 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-21 10:28:31 +00:00
Alex Converse
f5e82fec3d aacenc: Use preprocessor constants for trellis states and stages. 
Originally committed as revision 19948 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-21 04:32:51 +00:00
Alex Converse
9072c29e40 aacenc: Split paths in the scalefactor selection trellis into a 2-D array. 
Originally committed as revision 19947 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-21 04:15:12 +00:00
Alex Converse
9d4f6f10ae aacenc: Replace cbrt() with cbrtf() when the result is destined for float 
storage.

Originally committed as revision 19946 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-21 03:53:39 +00:00
Alex Converse
0bd9aa449a aacenc: Multiple distortion by lambda after it's summed and not each individual 
term before.

Originally committed as revision 19945 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-21 03:50:59 +00:00
Alex Converse
06d6b962e5 Cosmetics: Reindent after r19943. 
Originally committed as revision 19944 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-21 03:42:54 +00:00
Alex Converse
a71e9b6254 aacenc: Don't make unnecessary compares to the escape value in tight loops. 
Originally committed as revision 19943 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-21 03:41:08 +00:00
Loren Merritt
1a918c08e4 extend ff_inverse[], and fix its documentation 
Originally committed as revision 19942 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-21 03:01:57 +00:00
Måns Rullgård
d650574e68 ARM: merge two loops in ff_mdct_calc_neon 
Originally committed as revision 19941 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-21 02:56:12 +00:00
Måns Rullgård
f7a3b6030c ARM: interleave cos/sin tables for improved NEON MDCT 
Originally committed as revision 19940 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-21 02:56:09 +00:00
Måns Rullgård
94274b82f6 Allow arch-specific mdct code to request interleaving of cos/sin tables 
Originally committed as revision 19939 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-21 02:56:06 +00:00
Måns Rullgård
3572b281c8 ARM: remove broken IPP support 
Originally committed as revision 19935 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-21 01:40:08 +00:00
Mike Melanson
ee3d7f5852 Modify unpack_vlcs() so that there are fewer dereferences through the 
main (heavily iterated) loop.

Originally committed as revision 19934 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-21 01:37:50 +00:00
Diego Biurrun
40461e54ce Add parentheses to logical expression to avoid the warning: 
libavcodec/utils.c:476: warning: suggest parentheses around && within ||

Originally committed as revision 19933 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-20 18:29:48 +00:00
Diego Biurrun
a79b4b75f7 Remove unused variable, fixes the warning: 
libavcodec/atrac3.c:195: warning: unused variable ‘s’

Originally committed as revision 19932 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-20 18:21:54 +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
Diego Biurrun
ec129499b8 Fix embarassing typo in last commit: Restore mistakenly removed ','. 
Originally committed as revision 19930 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-20 17:18:59 +00:00
Diego Biurrun
1e1898c00f K&R coding style whitespace cosmetics 
Originally committed as revision 19929 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-20 17:16:12 +00:00
Carl Eugen Hoyos
7a38c1149c Cosmetics: Reindent after r19927. 
Originally committed as revision 19928 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-20 14:09:27 +00:00
Martin Fiedler
4410adf12e Allow encoding frames with more than 2800 lines. 
Patch by Martin Fiedler, martin fiedler gmx net

Originally committed as revision 19927 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-20 14:08:44 +00:00
Reimar Döffinger
fbc030045c Support uncompressed 16 bit sgi image format, as e.g. used by the files at 
http://media.xiph.org/svt/2160p50_CgrLevels_Master_SVTdec05_/1_CrowdRun_2160p50_CgrLevels_MASTER_SVTdec05_/

Originally committed as revision 19926 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-19 11:42:41 +00:00
Reimar Döffinger
bdb156c7b1 Simplify color_flags calculation, remove a pointless initialization 
and use AV_RB16 where possible.

Originally committed as revision 19925 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-19 11:36:51 +00:00
Reimar Döffinger
75fe5b5243 Make default_correlation array const since it is never modified. 
Originally committed as revision 19924 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-19 11:35:55 +00:00
Justin Ruggles
306a1204ff Update AC-3 channel map. 2F/2R layout only has 4 channels. This correction 
does not change any current channel mapping behavior.

Originally committed as revision 19919 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-19 04:56:22 +00:00
Benjamin Larsson
803d8488f2 Align sample output buffer in atrac1. 
Originally committed as revision 19918 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-19 01:46:03 +00:00
Benjamin Larsson
0105f49792 Fix the short block transform for atrac1. 
Originally committed as revision 19917 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-19 01:45:00 +00:00
Diego Biurrun
d773d85515 Reorder functions so that encoding functions are disabled by the preprocessor. 
Fixes compilation with disabled optimizations and enabled Snow decoder.

Originally committed as revision 19914 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-18 19:45:09 +00:00
Diego Biurrun
27666c3176 Add missing stdint.h #include to fix 'make checkheaders'. 
Originally committed as revision 19913 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-18 19:41:23 +00:00
Baptiste Coudurier
301a24de52 fix uninitialized memory in dnxhd encoder 
Originally committed as revision 19912 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-18 19:03:05 +00:00
Benjamin Larsson
10634c037a Only use one mdct window size in atrac1. 
Originally committed as revision 19900 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-17 18:52:11 +00:00
Kostya Shishkov
c4396c241c Remove useless code causing crash in Targa decoder 
Originally committed as revision 19892 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-17 05:01:27 +00:00
Justin Ruggles
78a9a77eac add CODEC_CAP_SUBFRAMES to the FLAC decoder capabilities. also add a FIXME 
comment as a reminder that we can remove both capabilities once a parser is
implemented.

Originally committed as revision 19891 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-16 22:57:00 +00:00
Måns Rullgård
d25130eb23 ARM: do not use movw/movt for relocatable values with PIC 
Originally committed as revision 19886 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-16 19:20:48 +00:00