diff options
| -rw-r--r-- | doc/filters.texi | 6 | ||||
| -rw-r--r-- | libavfilter/af_stereotools.c | 13 |
2 files changed, 18 insertions, 1 deletions
diff --git a/doc/filters.texi b/doc/filters.texi index 2ef375a3da..1d003aebf7 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -3743,6 +3743,12 @@ Left/Right to Left + Right. @item lr>rl Left/Right to Right/Left. + +@item ms>ll +Mid/Side to Left/Left. + +@item ms>rr +Mid/Side to Right/Right. @end table @item slev diff --git a/libavfilter/af_stereotools.c b/libavfilter/af_stereotools.c index 2d2a9bd625..cd2de869b9 100644 --- a/libavfilter/af_stereotools.c +++ b/libavfilter/af_stereotools.c @@ -69,7 +69,7 @@ static const AVOption stereotools_options[] = { { "muter", "mute R", OFFSET(mute_r), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, A }, { "phasel", "phase L", OFFSET(phase_l), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, A }, { "phaser", "phase R", OFFSET(phase_r), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, A }, - { "mode", "set stereo mode", OFFSET(mode), AV_OPT_TYPE_INT, {.i64=0}, 0, 6, A, "mode" }, + { "mode", "set stereo mode", OFFSET(mode), AV_OPT_TYPE_INT, {.i64=0}, 0, 8, A, "mode" }, { "lr>lr", 0, 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, A, "mode" }, { "lr>ms", 0, 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, A, "mode" }, { "ms>lr", 0, 0, AV_OPT_TYPE_CONST, {.i64=2}, 0, 0, A, "mode" }, @@ -77,6 +77,8 @@ static const AVOption stereotools_options[] = { { "lr>rr", 0, 0, AV_OPT_TYPE_CONST, {.i64=4}, 0, 0, A, "mode" }, { "lr>l+r", 0, 0, AV_OPT_TYPE_CONST, {.i64=5}, 0, 0, A, "mode" }, { "lr>rl", 0, 0, AV_OPT_TYPE_CONST, {.i64=6}, 0, 0, A, "mode" }, + { "ms>ll", 0, 0, AV_OPT_TYPE_CONST, {.i64=7}, 0, 0, A, "mode" }, + { "ms>rr", 0, 0, AV_OPT_TYPE_CONST, {.i64=8}, 0, 0, A, "mode" }, { "slev", "set side level", OFFSET(slev), AV_OPT_TYPE_DOUBLE, {.dbl=1}, 0.015625, 64, A }, { "sbal", "set side balance", OFFSET(sbal), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -1, 1, A }, { "mlev", "set middle level", OFFSET(mlev), AV_OPT_TYPE_DOUBLE, {.dbl=1}, 0.015625, 64, A }, @@ -246,6 +248,15 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in) r = m * mlev * FFMIN(1., mpan) - S * slev * FFMIN(1., sbal); L = l; R = r; + case 7: + l = L * mlev * FFMIN(1., 2. - mpan) + R * slev * FFMIN(1., 2. - sbal); + L = l; + R = l; + break; + case 8: + r = L * mlev * FFMIN(1., mpan) - R * slev * FFMIN(1., sbal); + L = r; + R = r; break; } |