Justin Ruggles
caf0fbc889
add more gain levels and adjust mix level tables accordingly.
...
Originally committed as revision 13695 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Justin Ruggles
687671f03b
pass bap table to ff_ac3_bit_alloc_calc_bap()
...
Originally committed as revision 13694 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Justin Ruggles
4921bbbae5
cosmetics: indent
...
Originally committed as revision 13692 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Justin Ruggles
aa5d6be8df
skip unsupported frame types and substream id's
...
Originally committed as revision 13691 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Justin Ruggles
be5f17b96b
read frame type from header info into decode context
...
Originally committed as revision 13690 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Justin Ruggles
3596aa6fe6
get substreamid from ac3 parser
...
Originally committed as revision 13689 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Justin Ruggles
6730e9f300
get the number of blocks from the ac3 parser and use in the ac3 decoder.
...
Originally committed as revision 13688 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Justin Ruggles
7af26d14ac
return error on frame sync error
...
Originally committed as revision 13654 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Justin Ruggles
fb2b88a816
cosmetics: add a comment, remove a comment
...
Originally committed as revision 13590 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Justin Ruggles
9b57545934
simplify
...
Originally committed as revision 13589 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Justin Ruggles
6e74513a48
set lfe params at frame init instead of in every block
...
Originally committed as revision 13588 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Justin Ruggles
b85a15fe73
only calculate number of exponent groups when exponents are not reused.
...
Originally committed as revision 13587 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Justin Ruggles
aa148649a4
cosmetics: remove unneeded braces
...
Originally committed as revision 13586 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Justin Ruggles
7e13b31c19
10l: cosmetics
...
Originally committed as revision 13585 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Justin Ruggles
e25973a1fd
new dba values requires running last 2 bit allocation stages
...
Originally committed as revision 13584 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Justin Ruggles
ff5d419e2f
get_transform_coeffs() never returns an error, so make the function and its children return void.
...
Originally committed as revision 13582 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Justin Ruggles
fbe52e4188
use enum value for CRC error
...
Originally committed as revision 13580 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Justin Ruggles
c78c6d6c58
move header error logging to after CRC check
...
Originally committed as revision 13579 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Justin Ruggles
bd98e9e230
zero the upper frequencies of the correct coefficients
...
Originally committed as revision 13452 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Justin Ruggles
eccba2bc4b
safer solution for setting audio parameters
...
Originally committed as revision 13402 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Justin Ruggles
cf03a8173a
set audio parameters if frame header is ok, even if crc fails
...
Originally committed as revision 13399 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Justin Ruggles
3336110acf
cosmetics: indent
...
Originally committed as revision 13398 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Justin Ruggles
ecfe94b294
add error concealment
...
Originally committed as revision 13397 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Justin Ruggles
93a2c8c14f
cosmetics: indent
...
Originally committed as revision 13385 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Justin Ruggles
43ad93a4f1
10l: fix error in commit r13382
...
Originally committed as revision 13384 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Justin Ruggles
82a591d8d1
add checks for missing information in the first block
...
Originally committed as revision 13382 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Justin Ruggles
3af9131398
add check for invalid channel mode when coupling is used
...
Originally committed as revision 13381 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Diego Biurrun
245976da2a
Use full path for #includes from another directory.
...
Originally committed as revision 13098 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Stefano Sabatini
162d4fc99d
Add long names to AVCodec declarations.
...
patch by Stefano Sabatini, stefano.sabatini-lala poste it
Originally committed as revision 13009 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Bartlomiej Wolowiec
55736cfbd2
change ff_ac3_parse_header() to take a GetBitContext instead of const char*
...
Originally committed as revision 12922 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Bartlomiej Wolowiec
79b25a27b8
change name from stream type to frame type in AC3 code
...
Originally committed as revision 12623 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Justin Ruggles
509fdb0b7e
only allocate context input buffer if AVCodecContext.error_reslience is greater than 0.
...
Originally committed as revision 12600 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Justin Ruggles
984ff38a2b
cosmetics: indentation after last commit
...
Originally committed as revision 12594 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Justin Ruggles
c33a196716
additional protection from segmentation faults and memory access errors by
...
copying the input buffer to a local context buffer which is large enough to
hold the largest possible AC3 frame.
Originally committed as revision 12593 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Bartlomiej Wolowiec
4e6eeaf019
using stream type in eac3 parser
...
Originally committed as revision 12570 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Zuxy Meng
98a6fff98c
Apply 'cold' attribute to init/uninit functions in libavcodec
...
Originally committed as revision 12525 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Justin Ruggles
98f6dfa653
make input buffer const, as it should be. fixes a warning.
...
Originally committed as revision 12418 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Justin Ruggles
38dae9c3a6
downmix before imdct unless different size transforms are used. about 20%
...
faster 5.1-to-stereo downmixing.
Originally committed as revision 12397 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Justin Ruggles
d8870f120e
use scale factor instead of sum for downmix level adjustment. avoids division
...
inside downmix loop. 7% faster 5.1-to-stereo downmixing.
Originally committed as revision 12287 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Justin Ruggles
9d10e6e6c0
pre-calculate downmix coefficient sums. 2% faster 5.1-to-stereo downmixing.
...
Originally committed as revision 12286 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Justin Ruggles
a4de6dd2c1
Use 24-bit fixed-point transform coefficients until just before MDCT. This
...
gives 7% faster decoding on average.
Originally committed as revision 12284 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Robert Swain
3ed546fe52
Add variable alpha and size of half window for Kaiser-Bessel Derived window
...
generation. Hard code Bessel I0 approximation iterations to 50.
See thread for discussion:
[FFmpeg-devel] [PATCH] Move Kaiser-Bessel Derived window to mdct.c
Started on the 2008/01/10
Originally committed as revision 11520 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Robert Swain
4eb7a735cb
Make the Kaiser-Bessel window generator a common function
...
Patch by Robert Swain, robert d swain a gmail d com
Originally committed as revision 11514 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Justin Ruggles
f34b221bd2
used defined name for testing error resilience level
...
Originally committed as revision 11478 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Justin Ruggles
f0b3a7ba12
split out init of downmix coeffs into a separate function that can be called
...
only when needed
Originally committed as revision 11441 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Justin Ruggles
82a6c4811a
remove unneeded variable from AC3DecodeContext
...
Originally committed as revision 11439 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Justin Ruggles
4bc829bb8f
make sure that the last coupling band stops at the end of the coupling range
...
Originally committed as revision 11438 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Justin Ruggles
b02fbf7536
fix phase flag processing for the case when coupling coordinates are reused
...
for the right channel, but new for the left channel
Originally committed as revision 11436 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Justin Ruggles
646800f79c
move E-AC3 header parsing to ff_ac3_parse_header()
...
Originally committed as revision 11420 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Justin Ruggles
86ad4c7e1b
remove unneeded variables from AC3HeaderInfo
...
Originally committed as revision 11419 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago