From 571e8ca2ddb90a05e0e0091110f8aeed78620edd Mon Sep 17 00:00:00 2001 From: Limin Wang Date: Fri, 10 Dec 2021 18:15:46 +0800 Subject: [PATCH] avfilter/af_astats: improve options descriptions Signed-off-by: Limin Wang --- doc/filters.texi | 7 ++++--- libavfilter/af_astats.c | 6 +++--- 2 files changed, 7 insertions(+), 6 deletions(-) diff --git a/doc/filters.texi b/doc/filters.texi index cffec8168c..da95688c53 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -2962,16 +2962,17 @@ this @code{lavfi.astats.Overall.Peak_count}. For description what each key means read below. @item reset -Set number of frame after which stats are going to be recalculated. +Set the number of frames over which cumulative stats are calculated before +being reset Default is disabled. @item measure_perchannel -Select the entries which need to be measured per channel. The metadata keys can +Select the parameters which are measured per channel. The metadata keys can be used as flags, default is @option{all} which measures everything. @option{none} disables all per channel measurement. @item measure_overall -Select the entries which need to be measured overall. The metadata keys can +Select the parameters which are measured overall. The metadata keys can be used as flags, default is @option{all} which measures everything. @option{none} disables all overall measurement. diff --git a/libavfilter/af_astats.c b/libavfilter/af_astats.c index d0810b5dd4..6c79257cb4 100644 --- a/libavfilter/af_astats.c +++ b/libavfilter/af_astats.c @@ -114,8 +114,8 @@ typedef struct AudioStatsContext { static const AVOption astats_options[] = { { "length", "set the window length", OFFSET(time_constant), AV_OPT_TYPE_DOUBLE, {.dbl=.05}, 0, 10, FLAGS }, { "metadata", "inject metadata in the filtergraph", OFFSET(metadata), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS }, - { "reset", "recalculate stats after this many frames", OFFSET(reset_count), AV_OPT_TYPE_INT, {.i64=0}, 0, INT_MAX, FLAGS }, - { "measure_perchannel", "only measure_perchannel these per-channel statistics", OFFSET(measure_perchannel), AV_OPT_TYPE_FLAGS, {.i64=MEASURE_ALL}, 0, UINT_MAX, FLAGS, "measure" }, + { "reset", "Set the number of frames over which cumulative stats are calculated before being reset", OFFSET(reset_count), AV_OPT_TYPE_INT, {.i64=0}, 0, INT_MAX, FLAGS }, + { "measure_perchannel", "Select the parameters which are measured per channel", OFFSET(measure_perchannel), AV_OPT_TYPE_FLAGS, {.i64=MEASURE_ALL}, 0, UINT_MAX, FLAGS, "measure" }, { "none" , "", 0, AV_OPT_TYPE_CONST, {.i64=MEASURE_NONE }, 0, 0, FLAGS, "measure" }, { "all" , "", 0, AV_OPT_TYPE_CONST, {.i64=MEASURE_ALL }, 0, 0, FLAGS, "measure" }, { "DC_offset" , "", 0, AV_OPT_TYPE_CONST, {.i64=MEASURE_DC_OFFSET }, 0, 0, FLAGS, "measure" }, @@ -143,7 +143,7 @@ static const AVOption astats_options[] = { { "Number_of_NaNs" , "", 0, AV_OPT_TYPE_CONST, {.i64=MEASURE_NUMBER_OF_NANS }, 0, 0, FLAGS, "measure" }, { "Number_of_Infs" , "", 0, AV_OPT_TYPE_CONST, {.i64=MEASURE_NUMBER_OF_INFS }, 0, 0, FLAGS, "measure" }, { "Number_of_denormals" , "", 0, AV_OPT_TYPE_CONST, {.i64=MEASURE_NUMBER_OF_DENORMALS }, 0, 0, FLAGS, "measure" }, - { "measure_overall", "only measure_perchannel these overall statistics", OFFSET(measure_overall), AV_OPT_TYPE_FLAGS, {.i64=MEASURE_ALL}, 0, UINT_MAX, FLAGS, "measure" }, + { "measure_overall", "Select the parameters which are measured overall", OFFSET(measure_overall), AV_OPT_TYPE_FLAGS, {.i64=MEASURE_ALL}, 0, UINT_MAX, FLAGS, "measure" }, { NULL } };