diff options
| -rw-r--r-- | doc/filters.texi | 7 | ||||
| -rw-r--r-- | libavfilter/af_arls.c | 3 |
2 files changed, 8 insertions, 2 deletions
diff --git a/doc/filters.texi b/doc/filters.texi index 6d2672063c..48b321b621 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -3004,10 +3004,13 @@ Pass the 1st input. Pass the 2nd input. @item o -Pass filtered samples. +Pass difference between desired, 2nd input and error signal estimate. @item n -Pass difference between desired and filtered samples. +Pass difference between input, 1st input and error signal estimate. + +@item e +Pass error signal estimated samples. Default value is @var{o}. @end table diff --git a/libavfilter/af_arls.c b/libavfilter/af_arls.c index 1d91954c02..9058a54583 100644 --- a/libavfilter/af_arls.c +++ b/libavfilter/af_arls.c @@ -33,6 +33,7 @@ enum OutModes { DESIRED_MODE, OUT_MODE, NOISE_MODE, + ERROR_MODE, NB_OMODES }; @@ -70,6 +71,7 @@ static const AVOption arls_options[] = { { "d", "desired", 0, AV_OPT_TYPE_CONST, {.i64=DESIRED_MODE}, 0, 0, AT, "mode" }, { "o", "output", 0, AV_OPT_TYPE_CONST, {.i64=OUT_MODE}, 0, 0, AT, "mode" }, { "n", "noise", 0, AV_OPT_TYPE_CONST, {.i64=NOISE_MODE}, 0, 0, AT, "mode" }, + { "e", "error", 0, AV_OPT_TYPE_CONST, {.i64=ERROR_MODE}, 0, 0, AT, "mode" }, { NULL } }; @@ -156,6 +158,7 @@ static float process_sample(AudioRLSContext *s, float input, float desired, int case DESIRED_MODE: output = desired; break; case OUT_MODE: output = desired - output; break; case NOISE_MODE: output = input - output; break; + case ERROR_MODE: break; } return output; } |