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Diffstat (limited to 'libavfilter/af_asoftclip.c')
-rw-r--r--libavfilter/af_asoftclip.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/libavfilter/af_asoftclip.c b/libavfilter/af_asoftclip.c
index c49ba5a49f..b656dcfa45 100644
--- a/libavfilter/af_asoftclip.c
+++ b/libavfilter/af_asoftclip.c
@@ -25,6 +25,7 @@
#include "formats.h"
enum ASoftClipTypes {
+ ASC_HARD = -1,
ASC_TANH,
ASC_ATAN,
ASC_CUBIC,
@@ -50,7 +51,8 @@ typedef struct ASoftClipContext {
#define A AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
static const AVOption asoftclip_options[] = {
- { "type", "set softclip type", OFFSET(type), AV_OPT_TYPE_INT, {.i64=0}, 0, NB_TYPES-1, A, "types" },
+ { "type", "set softclip type", OFFSET(type), AV_OPT_TYPE_INT, {.i64=0}, -1, NB_TYPES-1, A, "types" },
+ { "hard", NULL, 0, AV_OPT_TYPE_CONST, {.i64=ASC_HARD}, 0, 0, A, "types" },
{ "tanh", NULL, 0, AV_OPT_TYPE_CONST, {.i64=ASC_TANH}, 0, 0, A, "types" },
{ "atan", NULL, 0, AV_OPT_TYPE_CONST, {.i64=ASC_ATAN}, 0, 0, A, "types" },
{ "cubic", NULL, 0, AV_OPT_TYPE_CONST, {.i64=ASC_CUBIC}, 0, 0, A, "types" },
@@ -109,6 +111,11 @@ static void filter_flt(ASoftClipContext *s,
float *dst = dptr[c];
switch (s->type) {
+ case ASC_HARD:
+ for (int n = 0; n < nb_samples; n++) {
+ dst[n] = av_clipf(src[n], -1.f, 1.f);
+ }
+ break;
case ASC_TANH:
for (int n = 0; n < nb_samples; n++) {
dst[n] = tanhf(src[n] * param);
@@ -171,6 +178,11 @@ static void filter_dbl(ASoftClipContext *s,
double *dst = dptr[c];
switch (s->type) {
+ case ASC_HARD:
+ for (int n = 0; n < nb_samples; n++) {
+ dst[n] = av_clipd(src[n], -1., 1.);
+ }
+ break;
case ASC_TANH:
for (int n = 0; n < nb_samples; n++) {
dst[n] = tanh(src[n] * param);