245976da2a
Use full path for #includes from another directory.
Originally committed as revision 13098 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
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
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
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
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
984ff38a2b
cosmetics: indentation after last commit
Originally committed as revision 12594 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
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
4e6eeaf019
using stream type in eac3 parser
Originally committed as revision 12570 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
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
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
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
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
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
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
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
18 years ago
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
18 years ago
f34b221bd2
used defined name for testing error resilience level
Originally committed as revision 11478 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
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
18 years ago
82a6c4811a
remove unneeded variable from AC3DecodeContext
Originally committed as revision 11439 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
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
18 years ago
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
18 years ago
646800f79c
move E-AC3 header parsing to ff_ac3_parse_header()
Originally committed as revision 11420 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
86ad4c7e1b
remove unneeded variables from AC3HeaderInfo
Originally committed as revision 11419 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
2816d32310
cosmetics: indentation
Originally committed as revision 11416 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
95283c1701
check for request_channels at codec init
Originally committed as revision 11415 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
3abe5fbdc4
improve CRC API
- don't export any global var
- provide either generated or hardcoded tables
Originally committed as revision 11409 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
7564658bbc
cosmetics: indentation and add a TODO comment
Originally committed as revision 11389 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
471db688c6
only check ac3 crc if AVCodecContext.error_resilience > 0
Originally committed as revision 11388 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
d6939960d5
add crc check to ac3 decoder
Originally committed as revision 11379 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
12eaa3b760
simplify
Originally committed as revision 11360 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
b35c67e58b
pass an AC3DecodeContext to ac3_downmix() instead of multiple arguments
Originally committed as revision 11359 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
866181e5e8
cosmetics: rename sampling_rate to sample_rate
Originally committed as revision 11358 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
0345fade94
do not need to cast a (void *)
Originally committed as revision 11357 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
1b70d88b7a
cosmetics: vertical realignment after last commit
Originally committed as revision 11356 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
d802d7ca12
cosmetics: rename all AC3DecodeContext variables from ctx to s
Originally committed as revision 11355 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
23c8cb89c9
cosmetics: rename GetBitContext gb to gbc
Originally committed as revision 11354 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
005ab694ae
remove unused context variable
Originally committed as revision 11353 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
1408352ada
Add option for user to scale the amount of dynamic range compression which is
applied by the audio decoder, and use that option in the AC3 decoder.
Originally committed as revision 11280 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
03726b7042
Skip dialog normalization. It shouldn't be used by the decoder, and there is
not currently a clean way to pass the value to the user.
Originally committed as revision 11246 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
224bc440b2
Revert commit made in revision 11228. I'm getting some strange results in the
downmixed output that I can't quite figure out.
Originally committed as revision 11245 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
b40211ff67
downmix before the IMDCT if no block switching is used
Originally committed as revision 11228 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
6708eefe55
Make AC3 decoder honor avctx->request_channels
Originally committed as revision 11220 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
e2270b4e1e
cosmetics: rename ac3 decoder variables
Originally committed as revision 11197 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
e59cc20593
cosmetics: rename common ac3 variables
Originally committed as revision 11196 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
5ce2134258
cosmetics: rename ac3 bit allocation variables
Originally committed as revision 11194 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
66ecf18e38
cosmetics: rename ac3 tables
Originally committed as revision 11193 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
56cc85a068
Misc spelling fixes, prefer American over British English.
Originally committed as revision 11126 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
a135bea507
skip incomplete frames
Originally committed as revision 10497 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
3df880934e
better AC3 header error reporting
Originally committed as revision 10496 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
d5b7144e1f
fix random dithering of zero-bit mantissas
Originally committed as revision 10495 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Diego Biurrun
Stefano Sabatini
Bartlomiej Wolowiec
Justin Ruggles
Zuxy Meng
Robert Swain
Aurelien Jacobs
Andreas Öman