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author | Rostislav Pehlivanov <atomnuker@gmail.com> | 2017-12-04 06:36:42 +0000 |
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committer | Rostislav Pehlivanov <atomnuker@gmail.com> | 2017-12-04 07:28:45 +0000 |
commit | 1b8649c2ce95da0a12d90f6acf7171b4fc6580db (patch) | |
tree | 40eeb3616dea4963f080594b996cd906524f95ef /libavcodec/opus_celt.h | |
parent | fe05f93013c4a3616926fa9370be2d9c93a94659 (diff) | |
download | ffmpeg-streaming-1b8649c2ce95da0a12d90f6acf7171b4fc6580db.zip ffmpeg-streaming-1b8649c2ce95da0a12d90f6acf7171b4fc6580db.tar.gz |
opus: add an option to toggle intensity stereo phase inversion
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.
Signed-off-by: Rostislav Pehlivanov <atomnuker@gmail.com>
Diffstat (limited to 'libavcodec/opus_celt.h')
-rw-r--r-- | libavcodec/opus_celt.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/libavcodec/opus_celt.h b/libavcodec/opus_celt.h index 45d50ab..9289a18 100644 --- a/libavcodec/opus_celt.h +++ b/libavcodec/opus_celt.h @@ -98,6 +98,7 @@ struct CeltFrame { CeltPVQ *pvq; int channels; int output_channels; + int apply_phase_inv; enum CeltBlockSize size; int start_band; @@ -156,7 +157,8 @@ static av_always_inline void celt_renormalize_vector(float *X, int N, float gain X[i] *= g; } -int ff_celt_init(AVCodecContext *avctx, CeltFrame **f, int output_channels); +int ff_celt_init(AVCodecContext *avctx, CeltFrame **f, int output_channels, + int apply_phase_inv); void ff_celt_free(CeltFrame **f); |