diff options
| author | Rostislav Pehlivanov <atomnuker@gmail.com> | 2017-12-04 06:36:42 +0000 |
|---|---|---|
| committer | Rostislav Pehlivanov <atomnuker@gmail.com> | 2017-12-04 07:28:45 +0000 |
| commit | 1b8649c2ce95da0a12d90f6acf7171b4fc6580db (patch) | |
| tree | 40eeb3616dea4963f080594b996cd906524f95ef /libavcodec/opus_celt.c | |
| parent | fe05f93013c4a3616926fa9370be2d9c93a94659 (diff) | |
| download | ffmpeg-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.c')
| -rw-r--r-- | libavcodec/opus_celt.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/libavcodec/opus_celt.c b/libavcodec/opus_celt.c index 2bbb96bded..72b299a19c 100644 --- a/libavcodec/opus_celt.c +++ b/libavcodec/opus_celt.c @@ -997,7 +997,8 @@ void ff_celt_free(CeltFrame **f) av_freep(f); } -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) { CeltFrame *frm; int i, ret; @@ -1014,6 +1015,7 @@ int ff_celt_init(AVCodecContext *avctx, CeltFrame **f, int output_channels) frm->avctx = avctx; frm->output_channels = output_channels; + frm->apply_phase_inv = apply_phase_inv; for (i = 0; i < FF_ARRAY_ELEMS(frm->imdct); i++) if ((ret = ff_mdct15_init(&frm->imdct[i], 1, i + 3, -1.0f/32768)) < 0) |