opus: add an option to toggle intensity stereo phase inversion

Multimedia / FFmpeg - Rostislav Pehlivanov [gmail.com] - 4 December 2017 07:28 EST

Due to a somewhat high volume of complains, phase inversion has been made optional with RFC8251. This allows for better bass frequency response when partially downmixing to play on systems with an LFE speaker.

1b8649c2ce opus: add an option to toggle intensity stereo phase inversion
libavcodec/opus.h | 2 ++
libavcodec/opus_celt.c | 4 +++-
libavcodec/opus_celt.h | 4 +++-
libavcodec/opus_pvq.c | 1 +
libavcodec/opusdec.c | 17 ++++++++++++++++-
5 files changed, 25 insertions(+), 3 deletions(-)

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