[FFmpeg-devel] [PATCH 2/3] ac3enc: shift coefficients to 24-bit following MDCT rather than using an exponent offset.
Måns Rullgård
mans
Wed Mar 9 22:48:47 CET 2011
Justin Ruggles <justin.ruggles at gmail.com> writes:
> This makes channel coupling more accurate, increasing quality for stereo
> content. It also simplifies exponent extraction and mantissa quantization
> by no longer needing to apply an offset to the exponents.
> ---
> libavcodec/ac3enc.c | 13 ++++++-------
> libavcodec/ac3enc_fixed.c | 42 ++++++++++++++++++++++++++++++++++--------
> tests/ref/acodec/ac3_fixed | 2 +-
> 3 files changed, 41 insertions(+), 16 deletions(-)
Looks OK.
--
M?ns Rullg?rd
mans at mansr.com
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