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author | Claudio Freire <klaussfreire@gmail.com> | 2016-01-10 03:04:21 -0300 |
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committer | Claudio Freire <klaussfreire@gmail.com> | 2016-01-13 05:28:34 -0300 |
commit | 699c2ee560532a5111a944d2653e9a3e484efc34 (patch) | |
tree | 9cfaf3565a9dbf2f5c2a7c7b0300c858c91ce8d3 /libavcodec/eac3_data.h | |
parent | aa64a483575be65eedb336ab949e865e441d1f85 (diff) | |
download | ffmpeg-699c2ee560532a5111a944d2653e9a3e484efc34.tar.gz |
AAC encoder: encode out-of-phase I/S efficiently
Use the ability to invert phase with ms_mask instead of changing
the codebook when possible, to avoid having to switch codebooks
if some bands are INTENSTY_BT and others are INTENSITY_BT2, since
usually a set ms_mask uses less bits that a codebook change. While
it may not always be a win (ie: if it causes an ms_mask bitmap
to be sent when it wouldn't have been otherwise), it's unlikely
since the ms_mask bitmap will almost always be there already for
M/S itself.
Diffstat (limited to 'libavcodec/eac3_data.h')
0 files changed, 0 insertions, 0 deletions