Justin Ruggles
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4e09232070
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use dsputil for float to signed 16-bit sample conversion
Originally committed as revision 9914 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2007-08-04 20:59:22 +00:00 |
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Justin Ruggles
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775369e028
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cosmetics: indentation
Originally committed as revision 9911 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2007-08-04 20:32:57 +00:00 |
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Justin Ruggles
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7b4076a777
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consolidate decoding of lfe and coupling channels with decoding of full-bandwidth channels.
Originally committed as revision 9910 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2007-08-04 19:19:48 +00:00 |
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Justin Ruggles
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5e61de0cc1
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there are only 4 rematrixing bands
Originally committed as revision 9908 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2007-08-04 15:01:21 +00:00 |
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Justin Ruggles
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75b9b0369b
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cosmetics: use more appropriate names for iterator variables.
Originally committed as revision 9907 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2007-08-04 13:52:56 +00:00 |
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Justin Ruggles
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8e2eb3b674
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move some variables to a more local scope.
Originally committed as revision 9905 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2007-08-04 13:30:37 +00:00 |
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Justin Ruggles
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0bff58a59a
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make exponent decoding consistent (prepare for merging coupling and lfe code with normal channel code).
Originally committed as revision 9904 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2007-08-04 13:26:46 +00:00 |
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Justin Ruggles
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eaf84d970f
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cosmetics: use braces when it makes the code easier to read.
Originally committed as revision 9893 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2007-08-04 12:04:41 +00:00 |
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Justin Ruggles
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fc59010bbf
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change AC3DecodeContext variable to local variable
Originally committed as revision 9892 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2007-08-04 11:55:10 +00:00 |
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Justin Ruggles
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6d96d626c6
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use array instead of bitmask
Originally committed as revision 9891 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2007-08-04 11:39:47 +00:00 |
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Justin Ruggles
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3357ff338b
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use table for converting dynamic range codes to scale factors
Originally committed as revision 9889 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2007-08-04 03:27:05 +00:00 |
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Justin Ruggles
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5aefe3ebef
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use floating-point mantissa dequantization tables
Originally committed as revision 9888 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2007-08-04 03:21:17 +00:00 |
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Justin Ruggles
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04ac5cada1
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cosmetics: indentation
Originally committed as revision 9887 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2007-08-04 01:14:14 +00:00 |
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Justin Ruggles
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60f07fadd3
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dither zero-bit mantissas by default. remove dithering only if it's explicitly turned off.
Originally committed as revision 9886 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2007-08-04 01:13:08 +00:00 |
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Justin Ruggles
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d63f6fea50
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simplify coefficient decoding
Originally committed as revision 9884 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2007-08-04 00:12:23 +00:00 |
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Justin Ruggles
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285bf28c67
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merge decoding of coupling channel coefficients and regular channel coefficients
Originally committed as revision 9883 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2007-08-04 00:04:17 +00:00 |
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Justin Ruggles
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d7dc7ad05c
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split out coupling coefficient reconstruction into a separate function
Originally committed as revision 9882 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2007-08-03 23:53:53 +00:00 |
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Justin Ruggles
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dfd57c366f
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align array used in mdct. fixes segfault.
Originally committed as revision 9848 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2007-08-01 01:13:58 +00:00 |
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Justin Ruggles
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8b60bbbf5b
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simplify stereo rematrixing
Originally committed as revision 9824 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2007-07-29 00:58:32 +00:00 |
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Justin Ruggles
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b6acc57f88
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change 2 fields from context to local variables
Originally committed as revision 9823 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2007-07-29 00:35:30 +00:00 |
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Justin Ruggles
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8fbb368d2c
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BLOCK_SIZE is not used properly, just use numbers instead to avoid confusion
Originally committed as revision 9822 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2007-07-28 20:50:25 +00:00 |
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Justin Ruggles
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7bfd22f25a
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remove broken downmixing. will add new implementation later.
Originally committed as revision 9821 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2007-07-28 19:33:19 +00:00 |
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Justin Ruggles
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4611b64ec1
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simplify snr offset and bit allocation
Originally committed as revision 9784 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2007-07-24 02:08:27 +00:00 |
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Justin Ruggles
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e9a3824880
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only use sized data types when necessary
Originally committed as revision 9783 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2007-07-24 01:43:47 +00:00 |
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Justin Ruggles
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8f58a4c943
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set bit allocation parameters directly instead of copying
Originally committed as revision 9782 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2007-07-24 01:35:25 +00:00 |
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Justin Ruggles
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e2cd6686fa
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use enum value instead of numerical value for acmod
Originally committed as revision 9781 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2007-07-23 22:47:49 +00:00 |
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Justin Ruggles
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bc8edb7e53
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use consistent data type for exponents. needs to be int8_t to pass to bit allocation.
Originally committed as revision 9780 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2007-07-23 22:23:37 +00:00 |
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Justin Ruggles
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878c40a137
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change some bit masks to arrays
Originally committed as revision 9779 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2007-07-23 22:16:15 +00:00 |
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Justin Ruggles
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bec37145da
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cosmetics: indentation
Originally committed as revision 9774 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2007-07-21 17:03:30 +00:00 |
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Justin Ruggles
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9fc1ab722e
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Use shared AC-3 header parsing. Move some initializations to block parsing function.
Originally committed as revision 9773 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2007-07-21 16:28:12 +00:00 |
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Justin Ruggles
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9ef6039043
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don't need to synchronize in the decoder. the parser does that already.
Originally committed as revision 9772 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2007-07-21 13:56:04 +00:00 |
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Justin Ruggles
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de34875c75
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get rid of an ugly macro
Originally committed as revision 9771 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2007-07-21 11:54:19 +00:00 |
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Justin Ruggles
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614e9b2424
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don't need to define ALT_BITSTREAM_READER
Originally committed as revision 9752 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2007-07-19 02:21:14 +00:00 |
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Justin Ruggles
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362664215d
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update license header. add copyright for myself. correct and complete the statement about liba52.
Originally committed as revision 9751 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2007-07-19 02:16:20 +00:00 |
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Justin Ruggles
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3bb004fcda
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revise comment for exponent decoding function
Originally committed as revision 9750 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2007-07-19 02:09:58 +00:00 |
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Justin Ruggles
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4415076f55
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new implementation of exponent decoding
Originally committed as revision 9749 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2007-07-19 02:04:05 +00:00 |
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Justin Ruggles
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d699d38393
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cosmetics: indentation
Originally committed as revision 9748 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2007-07-19 00:51:19 +00:00 |
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Justin Ruggles
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0ce668015f
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remove portions of bit allocation which are no longer needed since they are shared with the encoder
Originally committed as revision 9747 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2007-07-19 00:50:31 +00:00 |
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Justin Ruggles
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0de73a46ff
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fix the 256-point MDCT
Originally committed as revision 9685 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2007-07-15 14:47:39 +00:00 |
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Justin Ruggles
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623b79435d
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use shared ac3 bit allocation function
Originally committed as revision 9684 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2007-07-15 13:53:42 +00:00 |
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Justin Ruggles
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fa67992dea
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no need for the decoder to have the license as a prefix
Originally committed as revision 9682 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2007-07-15 01:38:13 +00:00 |
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Justin Ruggles
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76d357fd23
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remove a debugging function and variable, and remove the commented-out code which uses them.
Originally committed as revision 9681 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2007-07-15 01:35:46 +00:00 |
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Justin Ruggles
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a39532b0d9
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ABS -> FFABS
Originally committed as revision 9680 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2007-07-15 01:32:04 +00:00 |
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Justin Ruggles
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cc2a8443eb
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move some common values to ac3.h and utilize them
Originally committed as revision 9679 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2007-07-15 01:31:09 +00:00 |
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Justin Ruggles
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cb503702ee
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use random number generator from libavutil
Originally committed as revision 9678 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2007-07-14 23:57:05 +00:00 |
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Justin Ruggles
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9d10960194
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10l to me. I accidentally removed a word.
Originally committed as revision 9677 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2007-07-14 22:17:23 +00:00 |
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Justin Ruggles
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0ec2cc35f7
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revise license header for simplicity and consistency
Originally committed as revision 9676 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2007-07-14 18:53:56 +00:00 |
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Justin Ruggles
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283614b5fc
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make ac3dec.c GPL until violations are fixed
Originally committed as revision 9674 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2007-07-14 16:07:56 +00:00 |
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Justin Ruggles
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967d397a6c
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AC-3 decoder, soc revision 402, Jul 14 13:45:14 2007 UTC by jbr
merge ac3_decoder.h into ac3_decoder.c
Originally committed as revision 9673 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2007-07-14 16:06:14 +00:00 |
Loren Merritt
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afb46fc092
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AC-3 decoder, soc revision 148, Sep 28 18:38:27 2006 UTC by banan
Enable sse imdct, patch by Loren Merrit.
Originally committed as revision 9672 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2007-07-14 16:05:39 +00:00 |