Justin Ruggles
069083a419
ac3enc: clip coupling coordinates during calculation
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This is faster than using the clip_coefficients() function. Also,
clipping the coordinates before determining reuse is better since it
will compare coordinates that are closer to their final encoded values.
2011-08-10 17:09:24 -04:00
Justin Ruggles
d1d33e0763
ac3enc: remove unneeded #include
2011-08-09 16:44:34 -04:00
Justin Ruggles
fce33f9ead
ac3enc: restructure coupling coordinate reuse calculation
2011-08-09 16:44:34 -04:00
Justin Ruggles
c3d63262fe
ac3enc: allow new coupling coordinates to be sent independently for each
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channel.
2011-08-09 16:44:34 -04:00
Justin Ruggles
d55ad59a8a
ac3enc: separate exponent bit counting from exponent grouping.
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Move bit counting to the bit allocation function. Move exponent grouping to
after bit allocation. This will allow for adjustment of bandwidth parameters
during bit allocation without having to do exponent grouping multiple times.
2011-08-09 16:28:18 -04:00
Justin Ruggles
1bca72e1bd
eac3enc: support writing of basic mixing and info metadata
2011-07-27 11:51:46 -04:00
Justin Ruggles
be7bd626c4
eac3enc: use different numbers of blocks per frame to allow higher bitrates
2011-07-21 14:57:10 -04:00
Justin Ruggles
b5849f7709
ac3enc: merge AC3MDCTContext with AC3EncodeContext.
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Since both the fixed-point and floating-point encoders use the FFTContext,
this no longer needs to be in a separate context. Also, when a short-transform
context is added, the same MDCT window will be used.
2011-07-13 16:55:28 -04:00
Justin Ruggles
82cea7cb6c
ac3enc: prefer passing AC3EncodeContext rather than AVCodecContext
2011-07-13 16:55:28 -04:00
Justin Ruggles
523b7eba19
ac3enc: clip coefficients after MDCT.
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This ensures that any processing between the MDCT and exponent extraction will
be using clipped coefficients.
2011-07-01 13:02:11 -04:00
Justin Ruggles
8683c6a638
ac3enc: move ff_ac3_encode_frame() to ac3enc_template.c
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This avoids using function pointers for quite a few small functions, most of
which just call DSP functions.
2011-06-27 12:59:39 -04:00
Justin Ruggles
b203f65451
ac3enc: use correct alignment and length in channel coupling dsp functions.
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This fixes a segfault when using the C version of ac3dsp.float_to_fixed24().
2011-06-15 17:56:49 -04:00
Justin Ruggles
99477adc31
ac3enc: fix allocation of floating point samples.
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sizeof(SampleType) is different for fixed and float encoders.
2011-06-13 17:49:37 -04:00
Justin Ruggles
e0cc66df61
ac3enc: split templated float vs. fixed functions into a separate file.
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Function pointers are used for templated functions instead of needlessly
duplicating many functions.
2011-06-13 16:49:35 -04:00
