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245 Commits

Author SHA1 Message Date
Justin Ruggles
b51c740eab cosmetics: line wrap and vertical alignment 
Originally committed as revision 26084 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-23 18:01:29 +00:00
Justin Ruggles
e96dc767e4 Make sure that the 2nd CRC value does not match the AC-3 sync word. 
This is optional for encoders, but it's a good idea and has minimal impact
on performance.
This will change the output for some files, but it happens not to affect the
regression tests.

Originally committed as revision 26083 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-23 18:01:26 +00:00
Justin Ruggles
a897423baa Store CRC context locally to reduce number of calls to av_crc_get_table(). 
Originally committed as revision 26082 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-23 18:01:23 +00:00
Justin Ruggles
0e9b064305 Remove unneeded local variable, frame_size, in output_frame_end(). 
Originally committed as revision 26081 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-23 18:01:19 +00:00
Justin Ruggles
1ce9d6b85f cosmetics: fix comment after change in clipping range 
Originally committed as revision 26072 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-22 12:28:02 +00:00
Justin Ruggles
295ab2af6e Change FIX15() back to clipping to -32767..32767. 
This avoids a 16-bit overflow in mdct512() due to a -32768 value in costab.
References updated for acodec-ac3, lavf-rm, and seek-ac3_rm tests.
Thanks to Måns Rullgård for finding the bug.

Originally committed as revision 26071 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-21 21:18:58 +00:00
Justin Ruggles
f9f69028af Add emms_c() after exp_diff calculations. 
Fixes AC-3 encoding on OpenBSD 4.8 x86_32 and hopefully other similar
configurations.

Originally committed as revision 26070 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-21 20:56:25 +00:00
Justin Ruggles
a81d7c6aa3 Pre-calculate crc_inv at codec init. 
20% faster output_frame_end().

Originally committed as revision 26069 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-21 18:26:13 +00:00
Justin Ruggles
386268dfff Add some simple fallbacks for normal bit allocation failure. 
This allows encoding with lower bitrates by decreasing exponent bits first,
then decreasing bandwidth if the user did not specify a specific cutoff
frequency.

Originally committed as revision 26050 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-17 23:42:56 +00:00
Justin Ruggles
e62ef8f2db Check user-specified cutoff frequency in validate_options(). 
Originally committed as revision 26049 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-17 23:42:52 +00:00
Justin Ruggles
78646ac206 10l: fix encoding for LFE channel 
Originally committed as revision 26048 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-17 22:06:00 +00:00
Justin Ruggles
86c9673bab Add support for fixed-point MDCT sizes other than 512. 
Originally committed as revision 26046 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-17 20:52:27 +00:00
Justin Ruggles
234b70d346 cosmetics: reindent after last commit 
Originally committed as revision 26045 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-17 15:02:15 +00:00
Justin Ruggles
98e34e71c0 Simplify bit allocation search by using a loop for the SNR offset increment. 
Originally committed as revision 26044 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-17 15:02:12 +00:00
Justin Ruggles
cf7c961b19 Do not calculate psd and masking curve if exponents are being reused. 
Approx. 20% faster in function bit_alloc_masking().

Originally committed as revision 26042 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-17 14:16:13 +00:00
Justin Ruggles
68e6b0990d cosmetics: reindent after last commit 
Originally committed as revision 26041 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-16 22:47:11 +00:00
Justin Ruggles
795063db3b Copy bap from previous block when exponent strategy is EXP_REUSE. 
We can do this because exponents are the only bit allocation parameters which
change from block-to-block currently.
Approx. 57% faster in function bit_alloc().
Approx. 25% faster overall encoding.

Originally committed as revision 26040 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-16 22:47:07 +00:00
Justin Ruggles
126a29b871 Count grouped mantissas for each block all at once at the end of bit 
allocation for each block.
24% faster in function bit_alloc(). Approx. 10% faster overall encoding.

Originally committed as revision 26039 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-16 22:47:04 +00:00
Justin Ruggles
e7536ac567 Count bits for fixed parameters at start of encoding rather than in every 
frame.

Originally committed as revision 26038 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-16 22:47:00 +00:00
Justin Ruggles
e86ea34dad Use a LUT for number of exponent groups. This avoids recalculating it for 
every block and channel for every frame.

Originally committed as revision 26037 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-16 21:09:22 +00:00
Justin Ruggles
834550ea0d Speed up group minimum and group output calculations for EXP_D25 and EXP_D45 
in encode_exponents_blk_ch() by removing the inner loops. This is about 30-40%
faster for the modified sections.

Originally committed as revision 26036 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-16 21:09:16 +00:00
Justin Ruggles
cdedf7e625 Convert a for() loop into a while() loop for the downward part of the exponent 
delta limiting.

Originally committed as revision 26035 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-16 21:09:08 +00:00
Justin Ruggles
27af78cf0e Redesign encode_exponents_blk_ch() so that duplicate exponent sets are no 
longer required. This gets rid of the temp buffer as well as encoded_exp in
AC3EncodeContext. It also allows for skipping the exponent grouping for
EXP_D15. 56% faster in encode_exponents_blk_ch().

Originally committed as revision 26034 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-16 21:09:02 +00:00
Justin Ruggles
8846ee54ad Use optimized function DSPContext.sad[0]() instead of calc_exp_diff(). 
90% faster compute_exp_strategy().

Originally committed as revision 26033 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-16 15:06:28 +00:00
Justin Ruggles
7786c384f6 cosmetics: pretty-printing after last commit 
Originally committed as revision 26031 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-16 03:44:35 +00:00
Justin Ruggles
89bedc4d2e Add a goto for init failure instead of duplicate calls to ac3_encode_close(). 
Originally committed as revision 26030 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-16 03:44:32 +00:00
Justin Ruggles
c41ac4f82e Use pre-allocated temp buffers in mdct512(). 
5% faster in function.

Originally committed as revision 26029 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-16 03:44:29 +00:00
Justin Ruggles
e29065f7bf Write results of post-rotation complex multiply directly to output. 
2% faster in function mdct512().

Originally committed as revision 26028 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-16 03:13:45 +00:00
Justin Ruggles
9d8533368f Use memcpy() instead of a for loop in mdct512(). 
8% faster in function.

Originally committed as revision 26027 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-16 03:13:41 +00:00
Justin Ruggles
b6f6204db9 Allocate all large per-channel arrays using av_malloc(). 
Decreases memory usage for less than 6 channels.

Originally committed as revision 26026 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-16 02:33:02 +00:00
Justin Ruggles
aa645b9888 Make windowed_samples 16-byte aligned. 
This will allow future SIMD optimization of the window function.

Originally committed as revision 26025 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-16 02:32:59 +00:00
Justin Ruggles
e8d21fba3f Allocate planar_samples using av_mallocz(). 
Lowers memory usage when encoding less than 6 channels.

Originally committed as revision 26024 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-16 02:32:55 +00:00
Justin Ruggles
171bc51c9b Allocate bap and bap1 buffers using av_malloc(). 
This reduces the memory footprint when using less than 6 channels.
Modify bit allocation to swap the 2 buffers instead of using memcpy() and use
per-block pointers for bap. This is slightly faster (0.3%) in function
cbr_bit_allocation().

Originally committed as revision 26023 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-15 21:12:28 +00:00
Justin Ruggles
1c3e117e0b Remove last_samples[] and copy directly from planar_samples[]. 
Avoids memcpy that was used to store last samples for next frame.
Approx. 3% faster in function deinterleave_input_samples() and reduces memory
usage by 3kB.

Originally committed as revision 26021 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-15 17:28:52 +00:00
Justin Ruggles
7eeca961e3 Remove unneeded line. key_frame is already set to 1 in avcodec_alloc_frame(). 
Originally committed as revision 26020 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-15 17:28:49 +00:00
Justin Ruggles
2d82d9b1df cosmetics: comment clean-up and misc cosmetics 
Originally committed as revision 26019 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-15 17:28:44 +00:00
Justin Ruggles
5901cebecd Separate most of the per-block arrays into a separate per-block struct. 
Originally committed as revision 26018 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-15 17:28:41 +00:00
Justin Ruggles
cb6247cb30 Split bit allocation search into a separate function. 
Originally committed as revision 26017 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-15 17:28:38 +00:00
Justin Ruggles
06f6f78578 10l: fix typo in compute_exp_strategy() 
Originally committed as revision 26013 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 22:45:35 +00:00
Justin Ruggles
266d24be4a Move large arrays to AC3EncodeContext rather than passing them around. 
Originally committed as revision 26012 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 22:45:31 +00:00
Justin Ruggles
7da4dc17d9 cosmetics: line wrap and spacing 
Originally committed as revision 26011 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 22:45:28 +00:00
Justin Ruggles
a0d763fc88 Use a single value for SNR offset in the bit allocation search rather than 
the separate coarse and fine values.

Originally committed as revision 26010 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 22:45:22 +00:00
Justin Ruggles
70fcd7ea80 Change bit_alloc() to return the mantissa bit count. 
Originally committed as revision 26009 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 22:45:19 +00:00
Justin Ruggles
937cd1467c cosmetics: alignment and line wrap after last commit 
Originally committed as revision 26008 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 22:45:15 +00:00
Justin Ruggles
359c1d1926 Move bit counts to AC3EncodeContext. 
Originally committed as revision 26007 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 22:45:12 +00:00
Justin Ruggles
793bbf9544 Split out setting of bit allocation parameters to a separate function. 
Th new function only needs to be called at initialization because bit
allocation parameters currently do not change during encoding.

Originally committed as revision 26003 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 14:53:43 +00:00
Justin Ruggles
8999944ecb Split out counting of frame bits into a separate function. 
Originally committed as revision 26002 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 14:53:40 +00:00
Justin Ruggles
33a7d549e8 cosmetics: vertical alignment 
Originally committed as revision 26001 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 14:53:36 +00:00
Justin Ruggles
d3325d555b Only calculate num_exp_groups once. 
Originally committed as revision 26000 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 14:53:33 +00:00
Justin Ruggles
dc0bc0f84e Check for bit allocation error in ac3_encode_frame(). 
Move error log printout to ac3_encode_frame().

Originally committed as revision 25999 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 14:53:30 +00:00
Justin Ruggles
f94bacc538 Split out grouping of exponents into a separate function. 
Originally committed as revision 25998 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 14:53:26 +00:00
Justin Ruggles
b6a1e5236e Split out mantissa quantization into separate functions. 
Originally committed as revision 25997 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 14:53:23 +00:00
Justin Ruggles
5b44ede0ba cosmetics: rearrange some functions 
Originally committed as revision 25996 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 14:53:20 +00:00
Justin Ruggles
d7da80806c Reverse the exponent & exponent strategy array arrangement to simplify the 
per-channel exponent strategy decision.  This will also make it easier to
plug-in other exponent strategy algorithms.

Originally committed as revision 25995 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 14:53:17 +00:00
Justin Ruggles
67d979fede Move writing of frame to the output bitstream to a separate function. 
Originally committed as revision 25994 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 14:53:13 +00:00
Justin Ruggles
084f5c5afe cosmetics: remove a comment and just spacing 
Originally committed as revision 25993 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 14:53:10 +00:00
Justin Ruggles
160d85f5b0 Split frame size adjustment into a separate function. 
Originally committed as revision 25992 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 14:53:06 +00:00
Justin Ruggles
dfdf73eb1a Split exponent processing into separate functions. 
Originally committed as revision 25991 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 14:53:02 +00:00
Justin Ruggles
0a0a8500fb Split applying of MDCT into several separate functions. 
Originally committed as revision 25990 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 14:52:59 +00:00
Justin Ruggles
4acc790f3c Split input sample deinterleaving into a separate function. 
Originally committed as revision 25989 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 14:52:56 +00:00
Justin Ruggles
152cc52803 Separate functionally different calculations in ac3_encode_frame(). 
Originally committed as revision 25988 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 14:52:53 +00:00
Justin Ruggles
98f6ee4453 cosmetics: rename 2 variables 
Originally committed as revision 25987 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 14:52:49 +00:00
Justin Ruggles
12ed622699 Deinterleave whole frame at once instead of per-block. 
This reduces the amount of memcpy() by using pointers to overlap samples for
successive blocks rather than copying.

Originally committed as revision 25986 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 14:52:46 +00:00
Justin Ruggles
e0685bc98f cosmetics: add & alter some comments 
Originally committed as revision 25985 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 14:52:43 +00:00
Justin Ruggles
282255bbd2 Split setting of bandwidth into a separate function. 
Originally committed as revision 25984 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 14:52:40 +00:00
Justin Ruggles
e35c984a5d Move setting of bitstream_id and bitstream_mode to ac3_encode_init(). 
Originally committed as revision 25983 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 14:52:37 +00:00
Justin Ruggles
ddf63d37b8 Improve ac3_encode_init() error reporting. 
Return AVERROR(EINVAL) instead of -1. Propogate errors from called functions.
Add some error log printouts.

Originally committed as revision 25982 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 14:52:34 +00:00
Justin Ruggles
b64d842c1d cosmetics: indent after last commit 
Originally committed as revision 25981 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 14:52:30 +00:00
Justin Ruggles
99ca4f73f0 Don't use nested loops to iterate valid sample rates. 
Eliminates a goto and mirrors the bitrate validation.

Originally committed as revision 25980 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 14:52:25 +00:00
Justin Ruggles
1607db0a95 Remove some duplicate local copies of avctx fields. 
This is an av_cold function, and we don't need to duplicate variables just to
save a few characters.

Originally committed as revision 25979 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 14:52:21 +00:00
Justin Ruggles
8f60f70d44 Split validation of initial user options into a separate function. 
Originally committed as revision 25978 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 14:52:18 +00:00
Justin Ruggles
427e2293d3 Use bytes instead of 16-bit words for frame size. 
Originally committed as revision 25977 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 14:52:14 +00:00
Justin Ruggles
eed00252c9 cosmetics: rename variable 'n' to 'pad_bytes' 
Originally committed as revision 25976 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 14:52:12 +00:00
Justin Ruggles
1971ab6ed6 Change output_frame_end() to return void. The frame size is already known. 
Originally committed as revision 25975 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 14:52:08 +00:00
Justin Ruggles
e8b552a818 cosmetics: pretty-printing 
Originally committed as revision 25974 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 14:52:04 +00:00
Justin Ruggles
ce67b7cd38 cosmetics: rename some iterator variables to match what they represent 
Originally committed as revision 25973 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 14:52:00 +00:00
Justin Ruggles
777732756a cosmetics: rename a variable for consistency 
Originally committed as revision 25972 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 14:51:56 +00:00
Justin Ruggles
aab45ca3de cosmetics: rename exp_samples and global_exp to exp_shift. 
Originally committed as revision 25971 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 14:51:53 +00:00
Justin Ruggles
23c5b361a6 cosmetics: rename 2 functions 
Originally committed as revision 25970 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 14:51:50 +00:00
Justin Ruggles
47ae6e795b define AC3_CRITICAL_BANDS and use it in the AC-3 encoder and decoder. 
Originally committed as revision 25967 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 14:51:40 +00:00
Justin Ruggles
0454b55801 Use sizeof(array value) instead of sizeof(int16_t). 
Originally committed as revision 25966 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 14:51:36 +00:00
Justin Ruggles
a0a9204e49 cosmetics: use lowercase letters for function names 
Originally committed as revision 25965 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 14:51:33 +00:00
Justin Ruggles
c36ce0f8df cosmetics: add new function documentation and clean up existing documentation 
Originally committed as revision 25964 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 14:51:30 +00:00
Justin Ruggles
2f8ae52228 cosmetics: add more space between functions 
Originally committed as revision 25963 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 14:51:26 +00:00
Justin Ruggles
e77fd066fb cosmetics: rearrange some functions/typedefs/macros 
Originally committed as revision 25962 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 14:51:23 +00:00
Justin Ruggles
02877def49 Simplify group size calculation in 2 places. 
Originally committed as revision 25961 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 14:51:20 +00:00
Justin Ruggles
9816155337 cosmetics: make a switch/case more compact 
Originally committed as revision 25960 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 14:51:17 +00:00
Justin Ruggles
b84a211bc8 Clean up fft_init() and mdct_init() 
Originally committed as revision 25959 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 14:51:12 +00:00
Justin Ruggles
6a988808a4 cosmetics: pretty-printing, alignment, etc... 
Originally committed as revision 25958 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 14:51:09 +00:00
Justin Ruggles
a913b5cf60 Remove unneeded #include 
Originally committed as revision 25957 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 14:51:05 +00:00
Justin Ruggles
918cd2255c Simplify fix15(). 
Turn it into 2 macros, and use av_clip_int16() and lrintf().
This matches the int16 to float sample conversion in audioconvert.c.
The regression test output is different due to lrintf() rounding.

Originally committed as revision 25956 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 14:51:02 +00:00
Justin Ruggles
228315bbd3 Fix the fixed-point MDCT and FFT tests so that they actually compile and work. 
Also, use LFG from libavutil instead of random().

Originally committed as revision 25955 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 14:50:58 +00:00
Justin Ruggles
a8d2b06b7c Split out initialization of MDCT tables into a separate function. 
Originally committed as revision 25954 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 14:50:54 +00:00
Justin Ruggles
0796546370 cosmetics: Document AC3EncodeContext fields. 
Originally committed as revision 25953 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 14:50:49 +00:00
Justin Ruggles
22c0b03c8f Remove unneeded debugging messages. 
Originally committed as revision 25952 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 14:50:45 +00:00
Justin Ruggles
1fda2c10f6 cosmetics: Define AC3_WINDOW_SIZE and use it instead of AC3_BLOCK_SIZE*2. 
Originally committed as revision 25951 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 14:50:40 +00:00
Justin Ruggles
7066cc8f2b cosmetics: use better (and shared) macro names for some constant values 
Originally committed as revision 25950 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 14:50:34 +00:00
Justin Ruggles
a657899cf7 Remove duplicate AC3EncodeContext fields, sr_shift and sr_code. 
Originally committed as revision 25949 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 14:50:30 +00:00
Justin Ruggles
2d2692eb49 cosmetics: rename some fields in AC3EncodeContext 
Originally committed as revision 25948 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 14:50:27 +00:00
Justin Ruggles
9cb5903299 cosmetics: change all short to int16_t 
Originally committed as revision 25947 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-12-14 14:50:23 +00:00